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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 | |
f9aefb6a | 5 | Copyright (c) 2009 - 2012, 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 |
3c865f20 | 316 | if (LoadedImage->LoadOptionsSize != 0){\r |
317 | StrCpy(FullCommandLine, LoadedImage->LoadOptions);\r | |
318 | }\r | |
a405b86d | 319 | //\r |
320 | // Populate Argc and Argv\r | |
321 | //\r | |
322 | Status = ParseCommandLineToArgs(FullCommandLine,\r | |
323 | &(*NewShellParameters)->Argv,\r | |
324 | &(*NewShellParameters)->Argc);\r | |
325 | \r | |
326 | FreePool(FullCommandLine);\r | |
327 | \r | |
328 | ASSERT_EFI_ERROR(Status);\r | |
329 | } else {\r | |
330 | (*NewShellParameters)->Argv = NULL;\r | |
331 | (*NewShellParameters)->Argc = 0;\r | |
332 | }\r | |
333 | \r | |
334 | //\r | |
335 | // Populate the 3 faked file systems...\r | |
336 | //\r | |
337 | if (*RootShellInstance) {\r | |
338 | (*NewShellParameters)->StdIn = &FileInterfaceStdIn;\r | |
339 | (*NewShellParameters)->StdOut = &FileInterfaceStdOut;\r | |
340 | (*NewShellParameters)->StdErr = &FileInterfaceStdErr;\r | |
341 | Status = gBS->InstallProtocolInterface(&gImageHandle,\r | |
342 | &gEfiShellParametersProtocolGuid,\r | |
343 | EFI_NATIVE_INTERFACE,\r | |
344 | (VOID*)(*NewShellParameters));\r | |
345 | } else {\r | |
346 | //\r | |
347 | // copy from the existing ones\r | |
348 | //\r | |
349 | (*NewShellParameters)->StdIn = ShellInfoObject.OldShellParameters->StdIn;\r | |
350 | (*NewShellParameters)->StdOut = ShellInfoObject.OldShellParameters->StdOut;\r | |
351 | (*NewShellParameters)->StdErr = ShellInfoObject.OldShellParameters->StdErr;\r | |
352 | Status = gBS->ReinstallProtocolInterface(gImageHandle,\r | |
353 | &gEfiShellParametersProtocolGuid,\r | |
354 | (VOID*)ShellInfoObject.OldShellParameters,\r | |
355 | (VOID*)(*NewShellParameters));\r | |
356 | }\r | |
357 | \r | |
358 | return (Status);\r | |
359 | }\r | |
360 | \r | |
361 | /**\r | |
362 | frees all memory used by createion and installation of shell parameters protocol\r | |
363 | and if there was an old version installed it will restore that one.\r | |
364 | \r | |
365 | @param NewShellParameters the interface of EFI_SHELL_PARAMETERS_PROTOCOL that is\r | |
366 | being cleaned up.\r | |
367 | \r | |
368 | @retval EFI_SUCCESS the cleanup was successful\r | |
369 | @return other the cleanup failed\r | |
370 | @sa ReinstallProtocolInterface\r | |
371 | @sa UninstallProtocolInterface\r | |
372 | **/\r | |
373 | EFI_STATUS\r | |
374 | EFIAPI\r | |
375 | CleanUpShellParametersProtocol (\r | |
376 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *NewShellParameters\r | |
377 | )\r | |
378 | {\r | |
379 | EFI_STATUS Status;\r | |
380 | UINTN LoopCounter;\r | |
381 | \r | |
382 | //\r | |
383 | // If the old exists we need to restore it\r | |
384 | //\r | |
385 | if (ShellInfoObject.OldShellParameters != NULL) {\r | |
386 | Status = gBS->ReinstallProtocolInterface(gImageHandle,\r | |
387 | &gEfiShellParametersProtocolGuid,\r | |
388 | (VOID*)NewShellParameters,\r | |
389 | (VOID*)ShellInfoObject.OldShellParameters);\r | |
390 | DEBUG_CODE(ShellInfoObject.OldShellParameters = NULL;);\r | |
391 | } else {\r | |
392 | //\r | |
393 | // No old one, just uninstall us...\r | |
394 | //\r | |
395 | Status = gBS->UninstallProtocolInterface(gImageHandle,\r | |
396 | &gEfiShellParametersProtocolGuid,\r | |
397 | (VOID*)NewShellParameters);\r | |
398 | }\r | |
399 | if (NewShellParameters->Argv != NULL) {\r | |
400 | for ( LoopCounter = 0\r | |
401 | ; LoopCounter < NewShellParameters->Argc\r | |
402 | ; LoopCounter++\r | |
403 | ){\r | |
404 | FreePool(NewShellParameters->Argv[LoopCounter]);\r | |
405 | }\r | |
406 | FreePool(NewShellParameters->Argv);\r | |
407 | }\r | |
408 | FreePool(NewShellParameters);\r | |
409 | return (Status);\r | |
410 | }\r | |
411 | \r | |
ae724571 | 412 | /**\r |
413 | Determin if a file name represents a unicode file.\r | |
414 | \r | |
415 | @param[in] FileName Pointer to the filename to open.\r | |
416 | \r | |
417 | @retval EFI_SUCCESS The file is a unicode file.\r | |
418 | @return An error upon failure.\r | |
419 | **/\r | |
733f138d | 420 | EFI_STATUS\r |
421 | EFIAPI\r | |
422 | IsUnicodeFile(\r | |
423 | IN CONST CHAR16 *FileName\r | |
424 | )\r | |
425 | {\r | |
426 | SHELL_FILE_HANDLE Handle;\r | |
427 | EFI_STATUS Status;\r | |
428 | UINT64 OriginalFilePosition;\r | |
429 | UINTN CharSize;\r | |
430 | CHAR16 CharBuffer;\r | |
431 | \r | |
432 | Status = gEfiShellProtocol->OpenFileByName(FileName, &Handle, EFI_FILE_MODE_READ);\r | |
433 | if (EFI_ERROR(Status)) {\r | |
434 | return (Status);\r | |
435 | }\r | |
436 | gEfiShellProtocol->GetFilePosition(Handle, &OriginalFilePosition);\r | |
437 | gEfiShellProtocol->SetFilePosition(Handle, 0);\r | |
438 | CharSize = sizeof(CHAR16);\r | |
439 | Status = gEfiShellProtocol->ReadFile(Handle, &CharSize, &CharBuffer);\r | |
440 | if (EFI_ERROR(Status) || CharBuffer != gUnicodeFileTag) {\r | |
441 | Status = EFI_BUFFER_TOO_SMALL;\r | |
442 | }\r | |
443 | gEfiShellProtocol->SetFilePosition(Handle, OriginalFilePosition);\r | |
444 | gEfiShellProtocol->CloseFile(Handle);\r | |
445 | return (Status); \r | |
446 | }\r | |
447 | \r | |
fb84495a | 448 | /**\r |
449 | Strips out quotes sections of a string.\r | |
450 | \r | |
451 | All of the characters between quotes is replaced with spaces.\r | |
a1d4bfcc | 452 | \r |
4ff7e37b | 453 | @param[in, out] TheString A pointer to the string to update.\r |
fb84495a | 454 | **/\r |
455 | VOID\r | |
456 | EFIAPI\r | |
457 | StripQuotes (\r | |
458 | IN OUT CHAR16 *TheString\r | |
459 | )\r | |
460 | {\r | |
461 | BOOLEAN RemoveNow;\r | |
462 | \r | |
463 | for (RemoveNow = FALSE ; TheString != NULL && *TheString != CHAR_NULL ; TheString++) {\r | |
464 | if (*TheString == L'^' && *(TheString + 1) == L'\"') {\r | |
465 | TheString++;\r | |
466 | } else if (*TheString == L'\"') {\r | |
467 | RemoveNow = (BOOLEAN)!RemoveNow;\r | |
468 | } else if (RemoveNow) {\r | |
469 | *TheString = L' ';\r | |
470 | }\r | |
471 | }\r | |
472 | }\r | |
473 | \r | |
cf6a8f14 | 474 | /**\r |
475 | Calcualte the 32-bit CRC in a EFI table using the service provided by the\r | |
476 | gRuntime service.\r | |
477 | \r | |
478 | @param Hdr Pointer to an EFI standard header\r | |
479 | \r | |
480 | **/\r | |
481 | VOID\r | |
482 | CalculateEfiHdrCrc (\r | |
483 | IN OUT EFI_TABLE_HEADER *Hdr\r | |
484 | )\r | |
485 | {\r | |
486 | UINT32 Crc;\r | |
487 | \r | |
488 | Hdr->CRC32 = 0;\r | |
489 | \r | |
490 | //\r | |
491 | // If gBS->CalculateCrce32 () == CoreEfiNotAvailableYet () then\r | |
492 | // Crc will come back as zero if we set it to zero here\r | |
493 | //\r | |
494 | Crc = 0;\r | |
495 | gBS->CalculateCrc32 ((UINT8 *)Hdr, Hdr->HeaderSize, &Crc);\r | |
496 | Hdr->CRC32 = Crc;\r | |
497 | }\r | |
498 | \r | |
031acf63 | 499 | /**\r |
500 | Fix a string to only have the file name, removing starting at the first space of whatever is quoted.\r | |
501 | \r | |
502 | @param[in] FileName The filename to start with.\r | |
503 | \r | |
504 | @retval NULL FileName was invalid.\r | |
505 | @return The modified FileName.\r | |
506 | **/\r | |
507 | CHAR16*\r | |
508 | EFIAPI\r | |
509 | FixFileName (\r | |
510 | IN CHAR16 *FileName\r | |
511 | )\r | |
512 | {\r | |
513 | CHAR16 *Copy;\r | |
514 | CHAR16 *TempLocation;\r | |
515 | \r | |
516 | if (FileName == NULL) {\r | |
517 | return (NULL);\r | |
518 | }\r | |
519 | \r | |
520 | if (FileName[0] == L'\"') {\r | |
521 | Copy = FileName+1;\r | |
522 | if ((TempLocation = StrStr(Copy , L"\"")) != NULL) {\r | |
523 | TempLocation[0] = CHAR_NULL;\r | |
524 | } \r | |
525 | } else {\r | |
526 | Copy = FileName;\r | |
f9aefb6a | 527 | while(Copy[0] == L' ') {\r |
528 | Copy++;\r | |
529 | }\r | |
031acf63 | 530 | if ((TempLocation = StrStr(Copy , L" ")) != NULL) {\r |
531 | TempLocation[0] = CHAR_NULL;\r | |
532 | } \r | |
533 | }\r | |
534 | \r | |
535 | if (Copy[0] == CHAR_NULL) {\r | |
536 | return (NULL);\r | |
537 | }\r | |
538 | \r | |
539 | return (Copy);\r | |
540 | }\r | |
541 | \r | |
a405b86d | 542 | /**\r |
543 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
544 | structure by parsing NewCommandLine. The current values are returned to the\r | |
545 | user.\r | |
546 | \r | |
8be0ba36 | 547 | This will also update the system table.\r |
a405b86d | 548 | \r |
4ff7e37b ED |
549 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r |
550 | @param[in] NewCommandLine The new command line to parse and use.\r | |
551 | @param[out] OldStdIn Pointer to old StdIn.\r | |
552 | @param[out] OldStdOut Pointer to old StdOut.\r | |
553 | @param[out] OldStdErr Pointer to old StdErr.\r | |
554 | @param[out] SystemTableInfo Pointer to old system table information.\r | |
a405b86d | 555 | \r |
556 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
557 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
558 | **/\r | |
559 | EFI_STATUS\r | |
560 | EFIAPI\r | |
561 | UpdateStdInStdOutStdErr(\r | |
562 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
fb84495a | 563 | IN CHAR16 *NewCommandLine,\r |
a405b86d | 564 | OUT SHELL_FILE_HANDLE *OldStdIn,\r |
565 | OUT SHELL_FILE_HANDLE *OldStdOut,\r | |
8be0ba36 | 566 | OUT SHELL_FILE_HANDLE *OldStdErr,\r |
567 | OUT SYSTEM_TABLE_INFO *SystemTableInfo\r | |
a405b86d | 568 | )\r |
569 | {\r | |
570 | CHAR16 *CommandLineCopy;\r | |
571 | CHAR16 *CommandLineWalker;\r | |
572 | CHAR16 *StdErrFileName;\r | |
573 | CHAR16 *StdOutFileName;\r | |
574 | CHAR16 *StdInFileName;\r | |
575 | CHAR16 *StdInVarName;\r | |
576 | CHAR16 *StdOutVarName;\r | |
577 | CHAR16 *StdErrVarName;\r | |
578 | EFI_STATUS Status;\r | |
579 | SHELL_FILE_HANDLE TempHandle;\r | |
580 | UINT64 FileSize;\r | |
581 | BOOLEAN OutUnicode;\r | |
582 | BOOLEAN InUnicode;\r | |
583 | BOOLEAN ErrUnicode;\r | |
584 | BOOLEAN OutAppend;\r | |
585 | BOOLEAN ErrAppend;\r | |
586 | UINTN Size;\r | |
587 | CHAR16 TagBuffer[2];\r | |
588 | SPLIT_LIST *Split;\r | |
fb84495a | 589 | CHAR16 *FirstLocation;\r |
a405b86d | 590 | \r |
a405b86d | 591 | OutUnicode = TRUE;\r |
592 | InUnicode = TRUE;\r | |
593 | ErrUnicode = TRUE;\r | |
594 | StdInVarName = NULL;\r | |
595 | StdOutVarName = NULL;\r | |
596 | StdErrVarName = NULL;\r | |
597 | StdErrFileName = NULL;\r | |
598 | StdInFileName = NULL;\r | |
599 | StdOutFileName = NULL;\r | |
600 | ErrAppend = FALSE;\r | |
601 | OutAppend = FALSE;\r | |
602 | CommandLineCopy = NULL;\r | |
5f2915f5 | 603 | FirstLocation = NULL;\r |
a405b86d | 604 | \r |
8be0ba36 | 605 | if (ShellParameters == NULL || SystemTableInfo == NULL || OldStdIn == NULL || OldStdOut == NULL || OldStdErr == NULL) {\r |
606 | return (EFI_INVALID_PARAMETER);\r | |
a405b86d | 607 | }\r |
608 | \r | |
8be0ba36 | 609 | SystemTableInfo->ConIn = gST->ConIn;\r |
610 | SystemTableInfo->ConInHandle = gST->ConsoleInHandle;\r | |
611 | SystemTableInfo->ConOut = gST->ConOut;\r | |
612 | SystemTableInfo->ConOutHandle = gST->ConsoleOutHandle;\r | |
4ccd9214 ED |
613 | SystemTableInfo->ErrOut = gST->StdErr;\r |
614 | SystemTableInfo->ErrOutHandle = gST->StandardErrorHandle;\r | |
8be0ba36 | 615 | *OldStdIn = ShellParameters->StdIn;\r |
616 | *OldStdOut = ShellParameters->StdOut;\r | |
617 | *OldStdErr = ShellParameters->StdErr;\r | |
618 | \r | |
a405b86d | 619 | if (NewCommandLine == NULL) {\r |
620 | return (EFI_SUCCESS);\r | |
621 | }\r | |
622 | \r | |
623 | CommandLineCopy = StrnCatGrow(&CommandLineCopy, NULL, NewCommandLine, 0);\r | |
532691c8 | 624 | if (CommandLineCopy == NULL) {\r |
625 | return (EFI_OUT_OF_RESOURCES);\r | |
626 | }\r | |
a405b86d | 627 | Status = EFI_SUCCESS;\r |
628 | Split = NULL;\r | |
5f2915f5 | 629 | FirstLocation = CommandLineCopy + StrLen(CommandLineCopy);\r |
a405b86d | 630 | \r |
fb84495a | 631 | StripQuotes(CommandLineCopy);\r |
632 | \r | |
a405b86d | 633 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r |
634 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
635 | if (Split != NULL && Split->SplitStdIn != NULL) {\r | |
636 | ShellParameters->StdIn = Split->SplitStdIn;\r | |
637 | }\r | |
638 | if (Split != NULL && Split->SplitStdOut != NULL) {\r | |
639 | ShellParameters->StdOut = Split->SplitStdOut;\r | |
640 | }\r | |
641 | }\r | |
642 | \r | |
643 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>>v ")) != NULL) {\r | |
fb84495a | 644 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 645 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 646 | StdErrVarName = CommandLineWalker += 6;\r |
647 | ErrAppend = TRUE;\r | |
733f138d | 648 | if (StrStr(CommandLineWalker, L" 2>>v ") != NULL) {\r |
649 | Status = EFI_NOT_FOUND;\r | |
650 | }\r | |
a405b86d | 651 | }\r |
652 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>v ")) != NULL) {\r | |
fb84495a | 653 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 654 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 655 | StdOutVarName = CommandLineWalker += 6;\r |
656 | OutAppend = TRUE;\r | |
733f138d | 657 | if (StrStr(CommandLineWalker, L" 1>>v ") != NULL) {\r |
658 | Status = EFI_NOT_FOUND;\r | |
659 | }\r | |
a405b86d | 660 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>v ")) != NULL) {\r |
fb84495a | 661 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 662 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 663 | StdOutVarName = CommandLineWalker += 5;\r |
664 | OutAppend = TRUE;\r | |
733f138d | 665 | if (StrStr(CommandLineWalker, L" >>v ") != NULL) {\r |
666 | Status = EFI_NOT_FOUND;\r | |
667 | }\r | |
a405b86d | 668 | } else if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >v ")) != NULL) {\r |
fb84495a | 669 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 670 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 671 | StdOutVarName = CommandLineWalker += 4;\r |
672 | OutAppend = FALSE;\r | |
733f138d | 673 | if (StrStr(CommandLineWalker, L" >v ") != NULL) {\r |
674 | Status = EFI_NOT_FOUND;\r | |
675 | }\r | |
a405b86d | 676 | }\r |
677 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>>a ")) != NULL) {\r | |
fb84495a | 678 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 679 | SetMem16(CommandLineWalker, 12, L' ');\r |
a405b86d | 680 | StdOutFileName = CommandLineWalker += 6;\r |
681 | OutAppend = TRUE;\r | |
682 | OutUnicode = FALSE;\r | |
733f138d | 683 | if (StrStr(CommandLineWalker, L" 1>>a ") != NULL) {\r |
684 | Status = EFI_NOT_FOUND;\r | |
685 | }\r | |
a405b86d | 686 | }\r |
687 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>> ")) != NULL) {\r | |
fb84495a | 688 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 689 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 690 | if (StdOutFileName != NULL) {\r |
691 | Status = EFI_INVALID_PARAMETER;\r | |
692 | } else {\r | |
693 | StdOutFileName = CommandLineWalker += 5;\r | |
694 | OutAppend = TRUE;\r | |
695 | }\r | |
733f138d | 696 | if (StrStr(CommandLineWalker, L" 1>> ") != NULL) {\r |
697 | Status = EFI_NOT_FOUND;\r | |
698 | }\r | |
a405b86d | 699 | } \r |
700 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >> ")) != NULL) {\r | |
fb84495a | 701 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 702 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 703 | if (StdOutFileName != NULL) {\r |
704 | Status = EFI_INVALID_PARAMETER;\r | |
705 | } else {\r | |
706 | StdOutFileName = CommandLineWalker += 4;\r | |
707 | OutAppend = TRUE;\r | |
708 | }\r | |
733f138d | 709 | if (StrStr(CommandLineWalker, L" >> ") != NULL) {\r |
710 | Status = EFI_NOT_FOUND;\r | |
711 | }\r | |
a405b86d | 712 | }\r |
713 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >>a ")) != NULL) {\r | |
fb84495a | 714 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 715 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 716 | if (StdOutFileName != NULL) {\r |
717 | Status = EFI_INVALID_PARAMETER;\r | |
718 | } else {\r | |
719 | StdOutFileName = CommandLineWalker += 5;\r | |
720 | OutAppend = TRUE;\r | |
721 | OutUnicode = FALSE;\r | |
722 | }\r | |
733f138d | 723 | if (StrStr(CommandLineWalker, L" >>a ") != NULL) {\r |
724 | Status = EFI_NOT_FOUND;\r | |
725 | }\r | |
a405b86d | 726 | } \r |
727 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>a ")) != NULL) {\r | |
fb84495a | 728 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 729 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 730 | if (StdOutFileName != NULL) {\r |
731 | Status = EFI_INVALID_PARAMETER;\r | |
732 | } else {\r | |
733 | StdOutFileName = CommandLineWalker += 5;\r | |
734 | OutAppend = FALSE;\r | |
735 | OutUnicode = FALSE;\r | |
736 | }\r | |
733f138d | 737 | if (StrStr(CommandLineWalker, L" 1>a ") != NULL) {\r |
738 | Status = EFI_NOT_FOUND;\r | |
739 | }\r | |
a405b86d | 740 | } \r |
741 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" >a ")) != NULL) {\r | |
fb84495a | 742 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 743 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 744 | if (StdOutFileName != NULL) {\r |
745 | Status = EFI_INVALID_PARAMETER;\r | |
746 | } else {\r | |
747 | StdOutFileName = CommandLineWalker += 4;\r | |
748 | OutAppend = FALSE;\r | |
749 | OutUnicode = FALSE;\r | |
750 | }\r | |
733f138d | 751 | if (StrStr(CommandLineWalker, L" >a ") != NULL) {\r |
752 | Status = EFI_NOT_FOUND;\r | |
753 | }\r | |
a405b86d | 754 | }\r |
755 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>> ")) != NULL) {\r | |
fb84495a | 756 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 757 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 758 | if (StdErrFileName != NULL) {\r |
759 | Status = EFI_INVALID_PARAMETER;\r | |
760 | } else {\r | |
761 | StdErrFileName = CommandLineWalker += 5;\r | |
762 | ErrAppend = TRUE;\r | |
763 | }\r | |
733f138d | 764 | if (StrStr(CommandLineWalker, L" 2>> ") != NULL) {\r |
765 | Status = EFI_NOT_FOUND;\r | |
766 | }\r | |
a405b86d | 767 | }\r |
768 | \r | |
769 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>v ")) != NULL) {\r | |
fb84495a | 770 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 771 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 772 | if (StdErrVarName != NULL) {\r |
773 | Status = EFI_INVALID_PARAMETER;\r | |
774 | } else {\r | |
775 | StdErrVarName = CommandLineWalker += 5;\r | |
776 | ErrAppend = FALSE;\r | |
777 | }\r | |
733f138d | 778 | if (StrStr(CommandLineWalker, L" 2>v ") != NULL) {\r |
779 | Status = EFI_NOT_FOUND;\r | |
780 | }\r | |
a405b86d | 781 | }\r |
782 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1>v ")) != NULL) {\r | |
fb84495a | 783 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 784 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 785 | if (StdOutVarName != NULL) {\r |
786 | Status = EFI_INVALID_PARAMETER;\r | |
787 | } else {\r | |
788 | StdOutVarName = CommandLineWalker += 5;\r | |
789 | OutAppend = FALSE;\r | |
790 | }\r | |
733f138d | 791 | if (StrStr(CommandLineWalker, L" 1>v ") != NULL) {\r |
792 | Status = EFI_NOT_FOUND;\r | |
793 | }\r | |
a405b86d | 794 | }\r |
795 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2>a ")) != NULL) {\r | |
fb84495a | 796 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 797 | SetMem16(CommandLineWalker, 10, L' ');\r |
a405b86d | 798 | if (StdErrFileName != NULL) {\r |
799 | Status = EFI_INVALID_PARAMETER;\r | |
800 | } else {\r | |
801 | StdErrFileName = CommandLineWalker += 5;\r | |
802 | ErrAppend = FALSE;\r | |
803 | ErrUnicode = FALSE;\r | |
804 | }\r | |
733f138d | 805 | if (StrStr(CommandLineWalker, L" 2>a ") != NULL) {\r |
806 | Status = EFI_NOT_FOUND;\r | |
807 | }\r | |
a405b86d | 808 | }\r |
809 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 2> ")) != NULL) {\r | |
fb84495a | 810 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 811 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 812 | if (StdErrFileName != NULL) {\r |
813 | Status = EFI_INVALID_PARAMETER;\r | |
814 | } else {\r | |
815 | StdErrFileName = CommandLineWalker += 4;\r | |
816 | ErrAppend = FALSE;\r | |
817 | }\r | |
733f138d | 818 | if (StrStr(CommandLineWalker, L" 2> ") != NULL) {\r |
819 | Status = EFI_NOT_FOUND;\r | |
820 | }\r | |
a405b86d | 821 | }\r |
822 | \r | |
823 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" 1> ")) != NULL) {\r | |
fb84495a | 824 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 825 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 826 | if (StdOutFileName != NULL) {\r |
827 | Status = EFI_INVALID_PARAMETER;\r | |
828 | } else {\r | |
829 | StdOutFileName = CommandLineWalker += 4;\r | |
830 | OutAppend = FALSE;\r | |
831 | }\r | |
733f138d | 832 | if (StrStr(CommandLineWalker, L" 1> ") != NULL) {\r |
833 | Status = EFI_NOT_FOUND;\r | |
834 | }\r | |
a405b86d | 835 | }\r |
836 | \r | |
837 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" > ")) != NULL) {\r | |
fb84495a | 838 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 839 | SetMem16(CommandLineWalker, 6, L' ');\r |
a405b86d | 840 | if (StdOutFileName != NULL) {\r |
841 | Status = EFI_INVALID_PARAMETER;\r | |
842 | } else {\r | |
843 | StdOutFileName = CommandLineWalker += 3;\r | |
844 | OutAppend = FALSE;\r | |
845 | }\r | |
733f138d | 846 | if (StrStr(CommandLineWalker, L" > ") != NULL) {\r |
847 | Status = EFI_NOT_FOUND;\r | |
848 | }\r | |
a405b86d | 849 | }\r |
850 | \r | |
851 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" < ")) != NULL) {\r | |
fb84495a | 852 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 853 | SetMem16(CommandLineWalker, 6, L' ');\r |
a405b86d | 854 | if (StdInFileName != NULL) {\r |
855 | Status = EFI_INVALID_PARAMETER;\r | |
856 | } else {\r | |
857 | StdInFileName = CommandLineWalker += 3;\r | |
733f138d | 858 | }\r |
859 | if (StrStr(CommandLineWalker, L" < ") != NULL) {\r | |
860 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 861 | }\r |
862 | }\r | |
863 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <a ")) != NULL) {\r | |
fb84495a | 864 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 865 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 866 | if (StdInFileName != NULL) {\r |
867 | Status = EFI_INVALID_PARAMETER;\r | |
868 | } else {\r | |
733f138d | 869 | StdInFileName = CommandLineWalker += 4;\r |
870 | InUnicode = FALSE;\r | |
871 | }\r | |
872 | if (StrStr(CommandLineWalker, L" <a ") != NULL) {\r | |
873 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 874 | }\r |
875 | }\r | |
876 | if (!EFI_ERROR(Status) && (CommandLineWalker = StrStr(CommandLineCopy, L" <v ")) != NULL) {\r | |
fb84495a | 877 | FirstLocation = MIN(CommandLineWalker, FirstLocation);\r |
733f138d | 878 | SetMem16(CommandLineWalker, 8, L' ');\r |
a405b86d | 879 | if (StdInVarName != NULL) {\r |
880 | Status = EFI_INVALID_PARAMETER;\r | |
881 | } else {\r | |
882 | StdInVarName = CommandLineWalker += 4;\r | |
733f138d | 883 | }\r |
884 | if (StrStr(CommandLineWalker, L" <v ") != NULL) {\r | |
885 | Status = EFI_NOT_FOUND;\r | |
a405b86d | 886 | }\r |
887 | }\r | |
888 | \r | |
031acf63 | 889 | //\r |
890 | // re-populate the string to support any filenames that were in quotes.\r | |
891 | //\r | |
892 | StrCpy(CommandLineCopy, NewCommandLine);\r | |
893 | \r | |
5f2915f5 | 894 | if (FirstLocation != CommandLineCopy + StrLen(CommandLineCopy)\r |
fb84495a | 895 | && ((UINTN)(FirstLocation - CommandLineCopy) < StrLen(NewCommandLine))\r |
896 | ){\r | |
897 | *(NewCommandLine + (UINTN)(FirstLocation - CommandLineCopy)) = CHAR_NULL;\r | |
898 | }\r | |
899 | \r | |
a405b86d | 900 | if (!EFI_ERROR(Status)) {\r |
031acf63 | 901 | \r |
902 | if (StdErrFileName != NULL) {\r | |
903 | if ((StdErrFileName = FixFileName(StdErrFileName)) == NULL) {\r | |
904 | Status = EFI_INVALID_PARAMETER;\r | |
905 | }\r | |
a405b86d | 906 | }\r |
031acf63 | 907 | if (StdOutFileName != NULL) {\r |
908 | if ((StdOutFileName = FixFileName(StdOutFileName)) == NULL) {\r | |
909 | Status = EFI_INVALID_PARAMETER;\r | |
910 | }\r | |
a405b86d | 911 | }\r |
031acf63 | 912 | if (StdInFileName != NULL) {\r |
913 | if ((StdInFileName = FixFileName(StdInFileName)) == NULL) {\r | |
914 | Status = EFI_INVALID_PARAMETER;\r | |
915 | }\r | |
a405b86d | 916 | }\r |
031acf63 | 917 | if (StdErrVarName != NULL) {\r |
918 | if ((StdErrVarName = FixFileName(StdErrVarName)) == NULL) {\r | |
919 | Status = EFI_INVALID_PARAMETER;\r | |
920 | }\r | |
a405b86d | 921 | }\r |
031acf63 | 922 | if (StdOutVarName != NULL) {\r |
923 | if ((StdOutVarName = FixFileName(StdOutVarName)) == NULL) {\r | |
924 | Status = EFI_INVALID_PARAMETER;\r | |
925 | }\r | |
a405b86d | 926 | }\r |
031acf63 | 927 | if (StdInVarName != NULL) {\r |
928 | if ((StdInVarName = FixFileName(StdInVarName)) == NULL) {\r | |
929 | Status = EFI_INVALID_PARAMETER;\r | |
930 | }\r | |
a405b86d | 931 | }\r |
932 | \r | |
0c956e0d | 933 | //\r |
934 | // Verify not the same and not duplicating something from a split\r | |
935 | //\r | |
733f138d | 936 | if (\r |
937 | //\r | |
938 | // Check that no 2 filenames are the same\r | |
939 | //\r | |
fb84495a | 940 | (StdErrFileName != NULL && StdOutFileName!= NULL && StringNoCaseCompare(&StdErrFileName, &StdOutFileName) == 0)\r |
a405b86d | 941 | ||(StdErrFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdErrFileName, &StdInFileName ) == 0)\r |
942 | ||(StdOutFileName != NULL && StdInFileName != NULL && StringNoCaseCompare(&StdOutFileName, &StdInFileName ) == 0)\r | |
733f138d | 943 | //\r |
944 | // Check that no 2 variable names are the same\r | |
945 | //\r | |
a405b86d | 946 | ||(StdErrVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdInVarName ) == 0)\r |
947 | ||(StdOutVarName != NULL && StdInVarName != NULL && StringNoCaseCompare(&StdOutVarName , &StdInVarName ) == 0)\r | |
948 | ||(StdErrVarName != NULL && StdOutVarName != NULL && StringNoCaseCompare(&StdErrVarName , &StdOutVarName ) == 0)\r | |
733f138d | 949 | //\r |
950 | // When a split (using | operator) is in place some are not allowed\r | |
951 | //\r | |
a405b86d | 952 | ||(Split != NULL && Split->SplitStdIn != NULL && (StdInVarName != NULL || StdInFileName != NULL))\r |
953 | ||(Split != NULL && Split->SplitStdOut != NULL && (StdOutVarName != NULL || StdOutFileName != NULL))\r | |
733f138d | 954 | //\r |
955 | // Check that nothing is trying to be output to 2 locations.\r | |
956 | //\r | |
a405b86d | 957 | ||(StdErrFileName != NULL && StdErrVarName != NULL)\r |
958 | ||(StdOutFileName != NULL && StdOutVarName != NULL)\r | |
959 | ||(StdInFileName != NULL && StdInVarName != NULL)\r | |
733f138d | 960 | //\r |
733f138d | 961 | // Check for no volatile environment variables\r |
962 | //\r | |
a405b86d | 963 | ||(StdErrVarName != NULL && !IsVolatileEnv(StdErrVarName))\r |
964 | ||(StdOutVarName != NULL && !IsVolatileEnv(StdOutVarName))\r | |
733f138d | 965 | //\r |
966 | // Cant redirect during a reconnect operation.\r | |
967 | //\r | |
3c865f20 | 968 | ||(StrStr(NewCommandLine, L"connect -r") != NULL \r |
969 | && (StdOutVarName != NULL || StdOutFileName != NULL || StdErrFileName != NULL || StdErrVarName != NULL))\r | |
733f138d | 970 | //\r |
971 | // Check that filetypes (Unicode/Ascii) do not change during an append\r | |
972 | //\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 | |
975 | ||(StdOutFileName != NULL && !OutUnicode && OutAppend && (!EFI_ERROR(ShellFileExists(StdOutFileName)) && !EFI_ERROR(IsUnicodeFile(StdOutFileName))))\r | |
976 | ||(StdErrFileName != NULL && !ErrUnicode && ErrAppend && (!EFI_ERROR(ShellFileExists(StdErrFileName)) && !EFI_ERROR(IsUnicodeFile(StdErrFileName))))\r | |
a405b86d | 977 | ){\r |
978 | Status = EFI_INVALID_PARAMETER;\r | |
a9ca0684 | 979 | ShellParameters->StdIn = *OldStdIn;\r |
980 | ShellParameters->StdOut = *OldStdOut;\r | |
981 | ShellParameters->StdErr = *OldStdErr;\r | |
fb84495a | 982 | } else if (!EFI_ERROR(Status)){\r |
a405b86d | 983 | //\r |
984 | // Open the Std<Whatever> and we should not have conflicts here...\r | |
985 | //\r | |
986 | \r | |
987 | //\r | |
988 | // StdErr to a file\r | |
989 | //\r | |
990 | if (StdErrFileName != NULL) {\r | |
991 | if (!ErrAppend) {\r | |
992 | //\r | |
993 | // delete existing file.\r | |
994 | //\r | |
995 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdErrFileName);\r | |
996 | }\r | |
997 | Status = ShellOpenFileByName(StdErrFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
a405b86d | 998 | if (!ErrAppend && ErrUnicode && !EFI_ERROR(Status)) {\r |
999 | //\r | |
733f138d | 1000 | // Write out the gUnicodeFileTag\r |
a405b86d | 1001 | //\r |
1002 | Size = sizeof(CHAR16);\r | |
733f138d | 1003 | TagBuffer[0] = gUnicodeFileTag;\r |
a405b86d | 1004 | TagBuffer[1] = CHAR_NULL;\r |
1005 | ShellInfoObject.NewEfiShellProtocol->WriteFile(TempHandle, &Size, TagBuffer);\r | |
1006 | }\r | |
1007 | if (!ErrUnicode && !EFI_ERROR(Status)) {\r | |
1008 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1009 | ASSERT(TempHandle != NULL);\r | |
1010 | }\r | |
1011 | if (!EFI_ERROR(Status)) {\r | |
1012 | ShellParameters->StdErr = TempHandle;\r | |
8be0ba36 | 1013 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle);\r |
a405b86d | 1014 | }\r |
1015 | }\r | |
1016 | \r | |
1017 | //\r | |
1018 | // StdOut to a file\r | |
1019 | //\r | |
1020 | if (!EFI_ERROR(Status) && StdOutFileName != NULL) {\r | |
1021 | if (!OutAppend) {\r | |
1022 | //\r | |
1023 | // delete existing file.\r | |
1024 | //\r | |
1025 | ShellInfoObject.NewEfiShellProtocol->DeleteFileByName(StdOutFileName);\r | |
1026 | }\r | |
1027 | Status = ShellOpenFileByName(StdOutFileName, &TempHandle, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE,0);\r | |
3c865f20 | 1028 | if (TempHandle == NULL) {\r |
1029 | Status = EFI_INVALID_PARAMETER;\r | |
1030 | } else {\r | |
733f138d | 1031 | if (StrStr(StdOutFileName, L"NUL")==StdOutFileName) {\r |
1032 | //no-op\r | |
1033 | } else if (!OutAppend && OutUnicode && !EFI_ERROR(Status)) {\r | |
3c865f20 | 1034 | //\r |
733f138d | 1035 | // Write out the gUnicodeFileTag\r |
3c865f20 | 1036 | //\r |
1037 | Size = sizeof(CHAR16);\r | |
733f138d | 1038 | TagBuffer[0] = gUnicodeFileTag;\r |
3c865f20 | 1039 | TagBuffer[1] = CHAR_NULL;\r |
1040 | ShellInfoObject.NewEfiShellProtocol->WriteFile(TempHandle, &Size, TagBuffer);\r | |
1041 | } else if (OutAppend) {\r | |
1042 | //\r | |
1043 | // Move to end of file\r | |
1044 | //\r | |
1045 | Status = ShellInfoObject.NewEfiShellProtocol->GetFileSize(TempHandle, &FileSize);\r | |
1046 | if (!EFI_ERROR(Status)) {\r | |
1047 | Status = ShellInfoObject.NewEfiShellProtocol->SetFilePosition(TempHandle, FileSize);\r | |
1048 | }\r | |
1049 | }\r | |
1050 | if (!OutUnicode && !EFI_ERROR(Status)) {\r | |
1051 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1052 | ASSERT(TempHandle != NULL);\r | |
1053 | }\r | |
a405b86d | 1054 | if (!EFI_ERROR(Status)) {\r |
3c865f20 | 1055 | ShellParameters->StdOut = TempHandle;\r |
8be0ba36 | 1056 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle);\r |
a405b86d | 1057 | }\r |
1058 | }\r | |
a405b86d | 1059 | }\r |
1060 | \r | |
1061 | //\r | |
1062 | // StdOut to a var\r | |
1063 | //\r | |
1064 | if (!EFI_ERROR(Status) && StdOutVarName != NULL) {\r | |
1065 | if (!OutAppend) {\r | |
1066 | //\r | |
1067 | // delete existing variable.\r | |
1068 | //\r | |
1069 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdOutVarName, 0, L"");\r | |
1070 | }\r | |
1071 | TempHandle = CreateFileInterfaceEnv(StdOutVarName);\r | |
1072 | ASSERT(TempHandle != NULL);\r | |
a405b86d | 1073 | ShellParameters->StdOut = TempHandle;\r |
8be0ba36 | 1074 | gST->ConOut = CreateSimpleTextOutOnFile(TempHandle, &gST->ConsoleOutHandle);\r |
a405b86d | 1075 | }\r |
1076 | \r | |
1077 | //\r | |
1078 | // StdErr to a var\r | |
1079 | //\r | |
1080 | if (!EFI_ERROR(Status) && StdErrVarName != NULL) {\r | |
1081 | if (!ErrAppend) {\r | |
1082 | //\r | |
1083 | // delete existing variable.\r | |
1084 | //\r | |
1085 | SHELL_SET_ENVIRONMENT_VARIABLE_V(StdErrVarName, 0, L"");\r | |
1086 | }\r | |
1087 | TempHandle = CreateFileInterfaceEnv(StdErrVarName);\r | |
1088 | ASSERT(TempHandle != NULL);\r | |
a405b86d | 1089 | ShellParameters->StdErr = TempHandle;\r |
8be0ba36 | 1090 | gST->StdErr = CreateSimpleTextOutOnFile(TempHandle, &gST->StandardErrorHandle);\r |
a405b86d | 1091 | }\r |
1092 | \r | |
1093 | //\r | |
1094 | // StdIn from a var\r | |
1095 | //\r | |
1096 | if (!EFI_ERROR(Status) && StdInVarName != NULL) {\r | |
1097 | TempHandle = CreateFileInterfaceEnv(StdInVarName);\r | |
532691c8 | 1098 | if (TempHandle == NULL) {\r |
1099 | Status = EFI_OUT_OF_RESOURCES;\r | |
a405b86d | 1100 | } else {\r |
532691c8 | 1101 | if (!InUnicode) {\r |
1102 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1103 | }\r | |
1104 | Size = 0;\r | |
96962f0a | 1105 | if (TempHandle == NULL || ((EFI_FILE_PROTOCOL*)TempHandle)->Read(TempHandle, &Size, NULL) != EFI_BUFFER_TOO_SMALL) {\r |
532691c8 | 1106 | Status = EFI_INVALID_PARAMETER;\r |
1107 | } else {\r | |
1108 | ShellParameters->StdIn = TempHandle;\r | |
1109 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r | |
1110 | }\r | |
a405b86d | 1111 | }\r |
1112 | }\r | |
1113 | \r | |
1114 | //\r | |
1115 | // StdIn from a file\r | |
1116 | //\r | |
1117 | if (!EFI_ERROR(Status) && StdInFileName != NULL) {\r | |
1118 | Status = ShellOpenFileByName(\r | |
1119 | StdInFileName,\r | |
1120 | &TempHandle,\r | |
1121 | EFI_FILE_MODE_READ,\r | |
1122 | 0);\r | |
1123 | if (!InUnicode && !EFI_ERROR(Status)) {\r | |
1124 | TempHandle = CreateFileInterfaceFile(TempHandle, FALSE);\r | |
1125 | }\r | |
1126 | if (!EFI_ERROR(Status)) {\r | |
1127 | ShellParameters->StdIn = TempHandle;\r | |
8be0ba36 | 1128 | gST->ConIn = CreateSimpleTextInOnFile(TempHandle, &gST->ConsoleInHandle);\r |
a405b86d | 1129 | }\r |
1130 | }\r | |
1131 | }\r | |
1132 | }\r | |
1133 | FreePool(CommandLineCopy);\r | |
8be0ba36 | 1134 | \r |
cf6a8f14 | 1135 | CalculateEfiHdrCrc(&gST->Hdr);\r |
1136 | \r | |
8be0ba36 | 1137 | if (gST->ConIn == NULL ||gST->ConOut == NULL) {\r |
1138 | return (EFI_OUT_OF_RESOURCES);\r | |
1139 | }\r | |
a405b86d | 1140 | return (Status);\r |
1141 | }\r | |
1142 | \r | |
1143 | /**\r | |
1144 | Funcion will replace the current StdIn and StdOut in the ShellParameters protocol\r | |
1145 | structure with StdIn and StdOut. The current values are de-allocated.\r | |
1146 | \r | |
4ff7e37b ED |
1147 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r |
1148 | @param[in] OldStdIn Pointer to old StdIn.\r | |
1149 | @param[in] OldStdOut Pointer to old StdOut.\r | |
1150 | @param[in] OldStdErr Pointer to old StdErr.\r | |
1151 | @param[in] SystemTableInfo Pointer to old system table information.\r | |
a405b86d | 1152 | **/\r |
1153 | EFI_STATUS\r | |
1154 | EFIAPI\r | |
1155 | RestoreStdInStdOutStdErr (\r | |
1156 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
8be0ba36 | 1157 | IN SHELL_FILE_HANDLE *OldStdIn,\r |
1158 | IN SHELL_FILE_HANDLE *OldStdOut,\r | |
1159 | IN SHELL_FILE_HANDLE *OldStdErr,\r | |
1160 | IN SYSTEM_TABLE_INFO *SystemTableInfo\r | |
a405b86d | 1161 | )\r |
1162 | {\r | |
1163 | SPLIT_LIST *Split;\r | |
8be0ba36 | 1164 | \r |
1165 | if (ShellParameters == NULL \r | |
1166 | ||OldStdIn == NULL\r | |
1167 | ||OldStdOut == NULL\r | |
1168 | ||OldStdErr == NULL\r | |
1169 | ||SystemTableInfo == NULL) {\r | |
1170 | return (EFI_INVALID_PARAMETER);\r | |
1171 | }\r | |
a405b86d | 1172 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r |
1173 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
1174 | } else {\r | |
1175 | Split = NULL;\r | |
1176 | }\r | |
8be0ba36 | 1177 | if (ShellParameters->StdIn != *OldStdIn) {\r |
a405b86d | 1178 | if ((Split != NULL && Split->SplitStdIn != ShellParameters->StdIn) || Split == NULL) {\r |
1179 | gEfiShellProtocol->CloseFile(ShellParameters->StdIn);\r | |
1180 | }\r | |
8be0ba36 | 1181 | ShellParameters->StdIn = *OldStdIn;\r |
a405b86d | 1182 | }\r |
8be0ba36 | 1183 | if (ShellParameters->StdOut != *OldStdOut) {\r |
a405b86d | 1184 | if ((Split != NULL && Split->SplitStdOut != ShellParameters->StdOut) || Split == NULL) {\r |
1185 | gEfiShellProtocol->CloseFile(ShellParameters->StdOut);\r | |
1186 | }\r | |
8be0ba36 | 1187 | ShellParameters->StdOut = *OldStdOut;\r |
1188 | }\r | |
1189 | if (ShellParameters->StdErr != *OldStdErr) {\r | |
1190 | gEfiShellProtocol->CloseFile(ShellParameters->StdErr);\r | |
1191 | ShellParameters->StdErr = *OldStdErr;\r | |
1192 | }\r | |
1193 | \r | |
1194 | if (gST->ConIn != SystemTableInfo->ConIn) {\r | |
1195 | CloseSimpleTextInOnFile(gST->ConIn);\r | |
1196 | gST->ConIn = SystemTableInfo->ConIn;\r | |
1197 | gST->ConsoleInHandle = SystemTableInfo->ConInHandle;\r | |
a405b86d | 1198 | }\r |
8be0ba36 | 1199 | if (gST->ConOut != SystemTableInfo->ConOut) {\r |
1200 | CloseSimpleTextOutOnFile(gST->ConOut);\r | |
1201 | gST->ConOut = SystemTableInfo->ConOut;\r | |
1202 | gST->ConsoleOutHandle = SystemTableInfo->ConOutHandle;\r | |
1203 | }\r | |
4ccd9214 | 1204 | if (gST->StdErr != SystemTableInfo->ErrOut) {\r |
8be0ba36 | 1205 | CloseSimpleTextOutOnFile(gST->StdErr);\r |
4ccd9214 ED |
1206 | gST->StdErr = SystemTableInfo->ErrOut;\r |
1207 | gST->StandardErrorHandle = SystemTableInfo->ErrOutHandle;\r | |
8be0ba36 | 1208 | }\r |
1209 | \r | |
cf6a8f14 | 1210 | CalculateEfiHdrCrc(&gST->Hdr);\r |
1211 | \r | |
a405b86d | 1212 | return (EFI_SUCCESS);\r |
1213 | }\r | |
1214 | /**\r | |
1215 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1216 | structure by parsing NewCommandLine. The current values are returned to the\r | |
1217 | user.\r | |
1218 | \r | |
1219 | If OldArgv or OldArgc is NULL then that value is not returned.\r | |
1220 | \r | |
4ff7e37b ED |
1221 | @param[in, out] ShellParameters Pointer to parameter structure to modify.\r |
1222 | @param[in] NewCommandLine The new command line to parse and use.\r | |
1223 | @param[out] OldArgv Pointer to old list of parameters.\r | |
1224 | @param[out] OldArgc Pointer to old number of items in Argv list.\r | |
a405b86d | 1225 | \r |
1226 | @retval EFI_SUCCESS Operation was sucessful, Argv and Argc are valid.\r | |
1227 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1228 | **/\r | |
1229 | EFI_STATUS\r | |
1230 | EFIAPI\r | |
1231 | UpdateArgcArgv(\r | |
1232 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1233 | IN CONST CHAR16 *NewCommandLine,\r | |
1234 | OUT CHAR16 ***OldArgv OPTIONAL,\r | |
1235 | OUT UINTN *OldArgc OPTIONAL\r | |
1236 | )\r | |
1237 | {\r | |
1238 | ASSERT(ShellParameters != NULL);\r | |
1239 | \r | |
1240 | if (OldArgc != NULL) {\r | |
1241 | *OldArgc = ShellParameters->Argc;\r | |
1242 | }\r | |
1243 | if (OldArgc != NULL) {\r | |
1244 | *OldArgv = ShellParameters->Argv;\r | |
1245 | }\r | |
1246 | \r | |
1247 | return (ParseCommandLineToArgs(NewCommandLine, &(ShellParameters->Argv), &(ShellParameters->Argc)));\r | |
1248 | }\r | |
1249 | \r | |
1250 | /**\r | |
1251 | Funcion will replace the current Argc and Argv in the ShellParameters protocol\r | |
1252 | structure with Argv and Argc. The current values are de-allocated and the\r | |
1253 | OldArgv must not be deallocated by the caller.\r | |
1254 | \r | |
4ff7e37b ED |
1255 | @param[in, out] ShellParameters pointer to parameter structure to modify\r |
1256 | @param[in] OldArgv pointer to old list of parameters\r | |
1257 | @param[in] OldArgc pointer to old number of items in Argv list\r | |
a405b86d | 1258 | **/\r |
1259 | VOID\r | |
1260 | EFIAPI\r | |
1261 | RestoreArgcArgv(\r | |
1262 | IN OUT EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,\r | |
1263 | IN CHAR16 ***OldArgv,\r | |
1264 | IN UINTN *OldArgc\r | |
1265 | )\r | |
1266 | {\r | |
1267 | UINTN LoopCounter;\r | |
1268 | ASSERT(ShellParameters != NULL);\r | |
1269 | ASSERT(OldArgv != NULL);\r | |
1270 | ASSERT(OldArgc != NULL);\r | |
1271 | \r | |
1272 | if (ShellParameters->Argv != NULL) {\r | |
1273 | for ( LoopCounter = 0\r | |
1274 | ; LoopCounter < ShellParameters->Argc\r | |
1275 | ; LoopCounter++\r | |
1276 | ){\r | |
1277 | FreePool(ShellParameters->Argv[LoopCounter]);\r | |
1278 | }\r | |
1279 | FreePool(ShellParameters->Argv);\r | |
1280 | }\r | |
1281 | ShellParameters->Argv = *OldArgv;\r | |
1282 | *OldArgv = NULL;\r | |
1283 | ShellParameters->Argc = *OldArgc;\r | |
1284 | *OldArgc = 0;\r | |
1285 | }\r |