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a405b86d | 1 | /** @file\r |
2 | This is THE shell (application)\r | |
3 | \r | |
fdd52bde | 4 | Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>\r |
c011b6c9 | 5 | (C) Copyright 2013-2014 Hewlett-Packard Development Company, L.P.<BR>\r |
a405b86d | 6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "Shell.h"\r | |
17 | \r | |
18 | //\r | |
19 | // Initialize the global structure\r | |
20 | //\r | |
21 | SHELL_INFO ShellInfoObject = {\r | |
22 | NULL,\r | |
23 | NULL,\r | |
24 | FALSE,\r | |
25 | FALSE,\r | |
26 | {\r | |
ce68d3bc SZ |
27 | {{\r |
28 | 0,\r | |
29 | 0,\r | |
30 | 0,\r | |
31 | 0,\r | |
32 | 0,\r | |
33 | 0,\r | |
34 | 0,\r | |
35 | 0,\r | |
36 | 0\r | |
37 | }},\r | |
a405b86d | 38 | 0,\r |
39 | NULL,\r | |
40 | NULL\r | |
41 | },\r | |
ce68d3bc | 42 | {{NULL, NULL}, NULL},\r |
a405b86d | 43 | {\r |
ce68d3bc | 44 | {{NULL, NULL}, NULL},\r |
a405b86d | 45 | 0,\r |
46 | 0,\r | |
47 | TRUE\r | |
48 | },\r | |
49 | NULL,\r | |
50 | 0,\r | |
51 | NULL,\r | |
52 | NULL,\r | |
53 | NULL,\r | |
54 | NULL,\r | |
55 | NULL,\r | |
ce68d3bc SZ |
56 | {{NULL, NULL}, NULL, NULL},\r |
57 | {{NULL, NULL}, NULL, NULL},\r | |
58 | NULL,\r | |
59 | NULL,\r | |
60 | NULL,\r | |
61 | NULL,\r | |
8be0ba36 | 62 | NULL,\r |
63 | NULL,\r | |
64 | NULL,\r | |
a49f6a2f | 65 | NULL,\r |
66 | FALSE\r | |
a405b86d | 67 | };\r |
68 | \r | |
69 | STATIC CONST CHAR16 mScriptExtension[] = L".NSH";\r | |
70 | STATIC CONST CHAR16 mExecutableExtensions[] = L".NSH;.EFI";\r | |
3c865f20 | 71 | STATIC CONST CHAR16 mStartupScript[] = L"startup.nsh";\r |
a405b86d | 72 | \r |
ad2bc854 | 73 | /**\r |
51429264 | 74 | Cleans off leading and trailing spaces and tabs.\r |
ad2bc854 | 75 | \r |
51429264 | 76 | @param[in] String pointer to the string to trim them off.\r |
ad2bc854 JC |
77 | **/\r |
78 | EFI_STATUS\r | |
79 | EFIAPI\r | |
80 | TrimSpaces(\r | |
81 | IN CHAR16 **String\r | |
82 | )\r | |
83 | {\r | |
84 | ASSERT(String != NULL);\r | |
85 | ASSERT(*String!= NULL);\r | |
86 | //\r | |
87 | // Remove any spaces and tabs at the beginning of the (*String).\r | |
88 | //\r | |
89 | while (((*String)[0] == L' ') || ((*String)[0] == L'\t')) {\r | |
90 | CopyMem((*String), (*String)+1, StrSize((*String)) - sizeof((*String)[0]));\r | |
91 | }\r | |
92 | \r | |
93 | //\r | |
404b3f43 | 94 | // Remove any spaces and tabs at the end of the (*String).\r |
ad2bc854 | 95 | //\r |
404b3f43 | 96 | while ((StrLen (*String) > 0) && (((*String)[StrLen((*String))-1] == L' ') || ((*String)[StrLen((*String))-1] == L'\t'))) {\r |
ad2bc854 JC |
97 | (*String)[StrLen((*String))-1] = CHAR_NULL;\r |
98 | }\r | |
99 | \r | |
100 | return (EFI_SUCCESS);\r | |
101 | }\r | |
102 | \r | |
a95cf8f0 JC |
103 | /**\r |
104 | Parse for the next instance of one string within another string. Can optionally make sure that \r | |
105 | the string was not escaped (^ character) per the shell specification.\r | |
106 | \r | |
107 | @param[in] SourceString The string to search within\r | |
108 | @param[in] FindString The string to look for\r | |
109 | @param[in] CheckForEscapeCharacter TRUE to skip escaped instances of FinfString, otherwise will return even escaped instances\r | |
110 | **/\r | |
111 | CHAR16*\r | |
112 | EFIAPI\r | |
113 | FindNextInstance(\r | |
114 | IN CONST CHAR16 *SourceString,\r | |
115 | IN CONST CHAR16 *FindString,\r | |
116 | IN CONST BOOLEAN CheckForEscapeCharacter\r | |
117 | )\r | |
118 | {\r | |
119 | CHAR16 *Temp;\r | |
120 | if (SourceString == NULL) {\r | |
121 | return (NULL);\r | |
122 | }\r | |
123 | Temp = StrStr(SourceString, FindString);\r | |
124 | \r | |
125 | //\r | |
d08a5464 | 126 | // If nothing found, or we don't care about escape characters\r |
a95cf8f0 JC |
127 | //\r |
128 | if (Temp == NULL || !CheckForEscapeCharacter) {\r | |
129 | return (Temp);\r | |
130 | }\r | |
131 | \r | |
132 | //\r | |
133 | // If we found an escaped character, try again on the remainder of the string\r | |
134 | //\r | |
135 | if ((Temp > (SourceString)) && *(Temp-1) == L'^') {\r | |
136 | return FindNextInstance(Temp+1, FindString, CheckForEscapeCharacter);\r | |
137 | }\r | |
138 | \r | |
139 | //\r | |
140 | // we found the right character\r | |
141 | //\r | |
142 | return (Temp);\r | |
143 | }\r | |
144 | \r | |
42435671 | 145 | /**\r |
d08a5464 | 146 | Check whether the string between a pair of % is a valid environment variable name.\r |
42435671 QS |
147 | \r |
148 | @param[in] BeginPercent pointer to the first percent.\r | |
149 | @param[in] EndPercent pointer to the last percent.\r | |
150 | \r | |
151 | @retval TRUE is a valid environment variable name.\r | |
152 | @retval FALSE is NOT a valid environment variable name.\r | |
153 | **/\r | |
154 | BOOLEAN\r | |
155 | IsValidEnvironmentVariableName(\r | |
156 | IN CONST CHAR16 *BeginPercent,\r | |
157 | IN CONST CHAR16 *EndPercent\r | |
158 | )\r | |
159 | {\r | |
160 | CONST CHAR16 *Walker;\r | |
161 | \r | |
162 | Walker = NULL;\r | |
163 | \r | |
164 | ASSERT (BeginPercent != NULL);\r | |
165 | ASSERT (EndPercent != NULL);\r | |
166 | ASSERT (BeginPercent < EndPercent);\r | |
167 | \r | |
168 | if ((BeginPercent + 1) == EndPercent) {\r | |
169 | return FALSE;\r | |
170 | }\r | |
171 | \r | |
172 | for (Walker = BeginPercent + 1; Walker < EndPercent; Walker++) {\r | |
173 | if (\r | |
174 | (*Walker >= L'0' && *Walker <= L'9') ||\r | |
175 | (*Walker >= L'A' && *Walker <= L'Z') ||\r | |
176 | (*Walker >= L'a' && *Walker <= L'z') ||\r | |
177 | (*Walker == L'_')\r | |
178 | ) {\r | |
179 | if (Walker == BeginPercent + 1 && (*Walker >= L'0' && *Walker <= L'9')) {\r | |
180 | return FALSE;\r | |
181 | } else {\r | |
182 | continue;\r | |
183 | }\r | |
184 | } else {\r | |
185 | return FALSE;\r | |
186 | }\r | |
187 | }\r | |
188 | \r | |
189 | return TRUE;\r | |
190 | }\r | |
191 | \r | |
518c8cdc JC |
192 | /**\r |
193 | Determine if a command line contains a split operation\r | |
194 | \r | |
195 | @param[in] CmdLine The command line to parse.\r | |
196 | \r | |
197 | @retval TRUE CmdLine has a valid split.\r | |
198 | @retval FALSE CmdLine does not have a valid split.\r | |
199 | **/\r | |
200 | BOOLEAN\r | |
201 | EFIAPI\r | |
202 | ContainsSplit(\r | |
203 | IN CONST CHAR16 *CmdLine\r | |
204 | )\r | |
205 | {\r | |
206 | CONST CHAR16 *TempSpot;\r | |
6f6792b8 QS |
207 | CONST CHAR16 *FirstQuote;\r |
208 | CONST CHAR16 *SecondQuote;\r | |
209 | \r | |
a95cf8f0 | 210 | FirstQuote = FindNextInstance (CmdLine, L"\"", TRUE);\r |
6f6792b8 | 211 | SecondQuote = NULL;\r |
00534bc3 | 212 | TempSpot = FindFirstCharacter(CmdLine, L"|", L'^');\r |
6f6792b8 | 213 | \r |
fe8ec3dd JC |
214 | if (FirstQuote == NULL || \r |
215 | TempSpot == NULL || \r | |
216 | TempSpot == CHAR_NULL || \r | |
6f6792b8 QS |
217 | FirstQuote > TempSpot\r |
218 | ) {\r | |
219 | return (BOOLEAN) ((TempSpot != NULL) && (*TempSpot != CHAR_NULL));\r | |
220 | }\r | |
221 | \r | |
222 | while ((TempSpot != NULL) && (*TempSpot != CHAR_NULL)) {\r | |
fe8ec3dd | 223 | if (FirstQuote == NULL || FirstQuote > TempSpot) {\r |
6f6792b8 QS |
224 | break;\r |
225 | } \r | |
a95cf8f0 | 226 | SecondQuote = FindNextInstance (FirstQuote + 1, L"\"", TRUE);\r |
fe8ec3dd | 227 | if (SecondQuote == NULL) {\r |
6f6792b8 QS |
228 | break;\r |
229 | }\r | |
230 | if (SecondQuote < TempSpot) {\r | |
a95cf8f0 | 231 | FirstQuote = FindNextInstance (SecondQuote + 1, L"\"", TRUE);\r |
6f6792b8 QS |
232 | continue;\r |
233 | } else {\r | |
a95cf8f0 | 234 | FirstQuote = FindNextInstance (SecondQuote + 1, L"\"", TRUE);\r |
00534bc3 | 235 | TempSpot = FindFirstCharacter(TempSpot + 1, L"|", L'^');\r |
6f6792b8 QS |
236 | continue;\r |
237 | } \r | |
238 | }\r | |
239 | \r | |
8dcd84b9 | 240 | return (BOOLEAN) ((TempSpot != NULL) && (*TempSpot != CHAR_NULL));\r |
19a44972 JC |
241 | }\r |
242 | \r | |
733f138d | 243 | /**\r |
244 | Function to start monitoring for CTRL-S using SimpleTextInputEx. This \r | |
245 | feature's enabled state was not known when the shell initially launched.\r | |
246 | \r | |
247 | @retval EFI_SUCCESS The feature is enabled.\r | |
d08a5464 | 248 | @retval EFI_OUT_OF_RESOURCES There is not enough memory available.\r |
733f138d | 249 | **/\r |
250 | EFI_STATUS\r | |
251 | EFIAPI\r | |
252 | InternalEfiShellStartCtrlSMonitor(\r | |
253 | VOID\r | |
254 | )\r | |
255 | {\r | |
256 | EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *SimpleEx;\r | |
257 | EFI_KEY_DATA KeyData;\r | |
258 | EFI_STATUS Status;\r | |
259 | \r | |
260 | Status = gBS->OpenProtocol(\r | |
261 | gST->ConsoleInHandle,\r | |
262 | &gEfiSimpleTextInputExProtocolGuid,\r | |
263 | (VOID**)&SimpleEx,\r | |
264 | gImageHandle,\r | |
265 | NULL,\r | |
266 | EFI_OPEN_PROTOCOL_GET_PROTOCOL);\r | |
267 | if (EFI_ERROR(Status)) {\r | |
268 | ShellPrintHiiEx(\r | |
269 | -1, \r | |
270 | -1, \r | |
271 | NULL,\r | |
272 | STRING_TOKEN (STR_SHELL_NO_IN_EX),\r | |
273 | ShellInfoObject.HiiHandle);\r | |
274 | return (EFI_SUCCESS);\r | |
275 | }\r | |
276 | \r | |
277 | KeyData.KeyState.KeyToggleState = 0;\r | |
278 | KeyData.Key.ScanCode = 0;\r | |
279 | KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED;\r | |
280 | KeyData.Key.UnicodeChar = L's';\r | |
281 | \r | |
282 | Status = SimpleEx->RegisterKeyNotify(\r | |
283 | SimpleEx,\r | |
284 | &KeyData,\r | |
285 | NotificationFunction,\r | |
286 | &ShellInfoObject.CtrlSNotifyHandle1);\r | |
287 | \r | |
288 | KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED;\r | |
289 | if (!EFI_ERROR(Status)) {\r | |
290 | Status = SimpleEx->RegisterKeyNotify(\r | |
291 | SimpleEx,\r | |
292 | &KeyData,\r | |
293 | NotificationFunction,\r | |
294 | &ShellInfoObject.CtrlSNotifyHandle2);\r | |
295 | }\r | |
296 | KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED;\r | |
297 | KeyData.Key.UnicodeChar = 19;\r | |
298 | \r | |
299 | if (!EFI_ERROR(Status)) {\r | |
300 | Status = SimpleEx->RegisterKeyNotify(\r | |
301 | SimpleEx,\r | |
302 | &KeyData,\r | |
303 | NotificationFunction,\r | |
ed8b5297 | 304 | &ShellInfoObject.CtrlSNotifyHandle3);\r |
733f138d | 305 | } \r |
306 | KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED;\r | |
307 | if (!EFI_ERROR(Status)) {\r | |
308 | Status = SimpleEx->RegisterKeyNotify(\r | |
309 | SimpleEx,\r | |
310 | &KeyData,\r | |
311 | NotificationFunction,\r | |
ed8b5297 | 312 | &ShellInfoObject.CtrlSNotifyHandle4);\r |
733f138d | 313 | }\r |
314 | return (Status);\r | |
315 | }\r | |
316 | \r | |
317 | \r | |
318 | \r | |
a405b86d | 319 | /**\r |
320 | The entry point for the application.\r | |
321 | \r | |
322 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
323 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
324 | \r | |
325 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
326 | @retval other Some error occurs when executing this entry point.\r | |
327 | \r | |
328 | **/\r | |
329 | EFI_STATUS\r | |
330 | EFIAPI\r | |
331 | UefiMain (\r | |
332 | IN EFI_HANDLE ImageHandle,\r | |
333 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
334 | )\r | |
335 | {\r | |
a49f6a2f | 336 | EFI_STATUS Status;\r |
337 | CHAR16 *TempString;\r | |
338 | UINTN Size;\r | |
339 | EFI_HANDLE ConInHandle;\r | |
340 | EFI_SIMPLE_TEXT_INPUT_PROTOCOL *OldConIn;\r | |
a405b86d | 341 | \r |
342 | if (PcdGet8(PcdShellSupportLevel) > 3) {\r | |
343 | return (EFI_UNSUPPORTED);\r | |
344 | }\r | |
345 | \r | |
346 | //\r | |
347 | // Clear the screen\r | |
348 | //\r | |
349 | Status = gST->ConOut->ClearScreen(gST->ConOut);\r | |
3c865f20 | 350 | if (EFI_ERROR(Status)) {\r |
351 | return (Status);\r | |
352 | }\r | |
a405b86d | 353 | \r |
354 | //\r | |
355 | // Populate the global structure from PCDs\r | |
356 | //\r | |
357 | ShellInfoObject.ImageDevPath = NULL;\r | |
358 | ShellInfoObject.FileDevPath = NULL;\r | |
359 | ShellInfoObject.PageBreakEnabled = PcdGetBool(PcdShellPageBreakDefault);\r | |
360 | ShellInfoObject.ViewingSettings.InsertMode = PcdGetBool(PcdShellInsertModeDefault);\r | |
361 | ShellInfoObject.LogScreenCount = PcdGet8 (PcdShellScreenLogCount );\r | |
362 | \r | |
363 | //\r | |
364 | // verify we dont allow for spec violation\r | |
365 | //\r | |
366 | ASSERT(ShellInfoObject.LogScreenCount >= 3);\r | |
367 | \r | |
368 | //\r | |
369 | // Initialize the LIST ENTRY objects...\r | |
370 | //\r | |
371 | InitializeListHead(&ShellInfoObject.BufferToFreeList.Link);\r | |
372 | InitializeListHead(&ShellInfoObject.ViewingSettings.CommandHistory.Link);\r | |
373 | InitializeListHead(&ShellInfoObject.SplitList.Link);\r | |
374 | \r | |
375 | //\r | |
376 | // Check PCDs for optional features that are not implemented yet.\r | |
377 | //\r | |
378 | if ( PcdGetBool(PcdShellSupportOldProtocols)\r | |
379 | || !FeaturePcdGet(PcdShellRequireHiiPlatform)\r | |
380 | || FeaturePcdGet(PcdShellSupportFrameworkHii)\r | |
381 | ) {\r | |
382 | return (EFI_UNSUPPORTED);\r | |
383 | }\r | |
384 | \r | |
385 | //\r | |
386 | // turn off the watchdog timer\r | |
387 | //\r | |
388 | gBS->SetWatchdogTimer (0, 0, 0, NULL);\r | |
389 | \r | |
390 | //\r | |
391 | // install our console logger. This will keep a log of the output for back-browsing\r | |
392 | //\r | |
393 | Status = ConsoleLoggerInstall(ShellInfoObject.LogScreenCount, &ShellInfoObject.ConsoleInfo);\r | |
3c865f20 | 394 | if (!EFI_ERROR(Status)) {\r |
395 | //\r | |
396 | // Enable the cursor to be visible\r | |
397 | //\r | |
398 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
a405b86d | 399 | \r |
3c865f20 | 400 | //\r |
401 | // If supporting EFI 1.1 we need to install HII protocol\r | |
402 | // only do this if PcdShellRequireHiiPlatform == FALSE\r | |
403 | //\r | |
404 | // remove EFI_UNSUPPORTED check above when complete.\r | |
405 | ///@todo add support for Framework HII\r | |
a405b86d | 406 | \r |
3c865f20 | 407 | //\r |
408 | // install our (solitary) HII package\r | |
409 | //\r | |
410 | ShellInfoObject.HiiHandle = HiiAddPackages (&gEfiCallerIdGuid, gImageHandle, ShellStrings, NULL);\r | |
a405b86d | 411 | if (ShellInfoObject.HiiHandle == NULL) {\r |
3c865f20 | 412 | if (PcdGetBool(PcdShellSupportFrameworkHii)) {\r |
413 | ///@todo Add our package into Framework HII\r | |
414 | }\r | |
415 | if (ShellInfoObject.HiiHandle == NULL) {\r | |
0477054b BJ |
416 | Status = EFI_NOT_STARTED;\r |
417 | goto FreeResources;\r | |
3c865f20 | 418 | }\r |
a405b86d | 419 | }\r |
a405b86d | 420 | \r |
3c865f20 | 421 | //\r |
422 | // create and install the EfiShellParametersProtocol\r | |
423 | //\r | |
424 | Status = CreatePopulateInstallShellParametersProtocol(&ShellInfoObject.NewShellParametersProtocol, &ShellInfoObject.RootShellInstance);\r | |
425 | ASSERT_EFI_ERROR(Status);\r | |
426 | ASSERT(ShellInfoObject.NewShellParametersProtocol != NULL);\r | |
a405b86d | 427 | \r |
3c865f20 | 428 | //\r |
429 | // create and install the EfiShellProtocol\r | |
430 | //\r | |
431 | Status = CreatePopulateInstallShellProtocol(&ShellInfoObject.NewEfiShellProtocol);\r | |
432 | ASSERT_EFI_ERROR(Status);\r | |
433 | ASSERT(ShellInfoObject.NewEfiShellProtocol != NULL);\r | |
a405b86d | 434 | \r |
3c865f20 | 435 | //\r |
436 | // Now initialize the shell library (it requires Shell Parameters protocol)\r | |
437 | //\r | |
438 | Status = ShellInitialize();\r | |
439 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 440 | \r |
3c865f20 | 441 | Status = CommandInit();\r |
442 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 443 | \r |
3c865f20 | 444 | //\r |
445 | // Check the command line\r | |
446 | //\r | |
da92bf85 BJ |
447 | Status = ProcessCommandLine ();\r |
448 | if (EFI_ERROR (Status)) {\r | |
449 | goto FreeResources;\r | |
450 | }\r | |
a405b86d | 451 | \r |
3c865f20 | 452 | //\r |
453 | // If shell support level is >= 1 create the mappings and paths\r | |
454 | //\r | |
455 | if (PcdGet8(PcdShellSupportLevel) >= 1) {\r | |
456 | Status = ShellCommandCreateInitialMappingsAndPaths();\r | |
457 | }\r | |
a405b86d | 458 | \r |
3c865f20 | 459 | //\r |
460 | // save the device path for the loaded image and the device path for the filepath (under loaded image)\r | |
461 | // These are where to look for the startup.nsh file\r | |
462 | //\r | |
463 | Status = GetDevicePathsForImageAndFile(&ShellInfoObject.ImageDevPath, &ShellInfoObject.FileDevPath);\r | |
a405b86d | 464 | ASSERT_EFI_ERROR(Status);\r |
a405b86d | 465 | \r |
3c865f20 | 466 | //\r |
467 | // Display the version\r | |
468 | //\r | |
469 | if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion) {\r | |
470 | ShellPrintHiiEx (\r | |
471 | 0,\r | |
472 | gST->ConOut->Mode->CursorRow,\r | |
473 | NULL,\r | |
284e034f | 474 | STRING_TOKEN (STR_VER_OUTPUT_MAIN_SHELL),\r |
3c865f20 | 475 | ShellInfoObject.HiiHandle,\r |
476 | SupportLevel[PcdGet8(PcdShellSupportLevel)],\r | |
477 | gEfiShellProtocol->MajorVersion,\r | |
284e034f CP |
478 | gEfiShellProtocol->MinorVersion\r |
479 | );\r | |
480 | \r | |
481 | ShellPrintHiiEx (\r | |
482 | -1,\r | |
483 | -1,\r | |
484 | NULL,\r | |
485 | STRING_TOKEN (STR_VER_OUTPUT_MAIN_SUPPLIER),\r | |
486 | ShellInfoObject.HiiHandle,\r | |
487 | (CHAR16 *) PcdGetPtr (PcdShellSupplier)\r | |
488 | );\r | |
489 | \r | |
490 | ShellPrintHiiEx (\r | |
491 | -1,\r | |
492 | -1,\r | |
493 | NULL,\r | |
494 | STRING_TOKEN (STR_VER_OUTPUT_MAIN_UEFI),\r | |
495 | ShellInfoObject.HiiHandle,\r | |
3c865f20 | 496 | (gST->Hdr.Revision&0xffff0000)>>16,\r |
497 | (gST->Hdr.Revision&0x0000ffff),\r | |
498 | gST->FirmwareVendor,\r | |
499 | gST->FirmwareRevision\r | |
500 | );\r | |
501 | }\r | |
a405b86d | 502 | \r |
3c865f20 | 503 | //\r |
504 | // Display the mapping\r | |
505 | //\r | |
506 | if (PcdGet8(PcdShellSupportLevel) >= 2 && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap) {\r | |
a308e058 | 507 | Status = RunCommand(L"map");\r |
3c865f20 | 508 | ASSERT_EFI_ERROR(Status);\r |
509 | }\r | |
a405b86d | 510 | \r |
3c865f20 | 511 | //\r |
512 | // init all the built in alias'\r | |
513 | //\r | |
514 | Status = SetBuiltInAlias();\r | |
515 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 516 | \r |
3c865f20 | 517 | //\r |
518 | // Initialize environment variables\r | |
519 | //\r | |
520 | if (ShellCommandGetProfileList() != NULL) {\r | |
521 | Status = InternalEfiShellSetEnv(L"profiles", ShellCommandGetProfileList(), TRUE);\r | |
522 | ASSERT_EFI_ERROR(Status);\r | |
523 | }\r | |
a405b86d | 524 | \r |
3c865f20 | 525 | Size = 100;\r |
526 | TempString = AllocateZeroPool(Size);\r | |
a405b86d | 527 | \r |
3c865f20 | 528 | UnicodeSPrint(TempString, Size, L"%d", PcdGet8(PcdShellSupportLevel));\r |
529 | Status = InternalEfiShellSetEnv(L"uefishellsupport", TempString, TRUE);\r | |
530 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 531 | \r |
3c865f20 | 532 | UnicodeSPrint(TempString, Size, L"%d.%d", ShellInfoObject.NewEfiShellProtocol->MajorVersion, ShellInfoObject.NewEfiShellProtocol->MinorVersion);\r |
533 | Status = InternalEfiShellSetEnv(L"uefishellversion", TempString, TRUE);\r | |
534 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 535 | \r |
3c865f20 | 536 | UnicodeSPrint(TempString, Size, L"%d.%d", (gST->Hdr.Revision & 0xFFFF0000) >> 16, gST->Hdr.Revision & 0x0000FFFF);\r |
537 | Status = InternalEfiShellSetEnv(L"uefiversion", TempString, TRUE);\r | |
538 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 539 | \r |
3c865f20 | 540 | FreePool(TempString);\r |
a405b86d | 541 | \r |
3c865f20 | 542 | if (!EFI_ERROR(Status)) {\r |
543 | if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt) {\r | |
a405b86d | 544 | //\r |
3c865f20 | 545 | // Set up the event for CTRL-C monitoring...\r |
a405b86d | 546 | //\r |
8be0ba36 | 547 | Status = InernalEfiShellStartMonitor();\r |
3c865f20 | 548 | }\r |
549 | \r | |
733f138d | 550 | if (!EFI_ERROR(Status) && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {\r |
551 | //\r | |
552 | // Set up the event for CTRL-S monitoring...\r | |
553 | //\r | |
554 | Status = InternalEfiShellStartCtrlSMonitor();\r | |
555 | }\r | |
556 | \r | |
a49f6a2f | 557 | if (!EFI_ERROR(Status) && ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {\r |
558 | //\r | |
559 | // close off the gST->ConIn\r | |
560 | //\r | |
561 | OldConIn = gST->ConIn;\r | |
562 | ConInHandle = gST->ConsoleInHandle;\r | |
563 | gST->ConIn = CreateSimpleTextInOnFile((SHELL_FILE_HANDLE)&FileInterfaceNulFile, &gST->ConsoleInHandle);\r | |
564 | } else {\r | |
565 | OldConIn = NULL;\r | |
566 | ConInHandle = NULL;\r | |
567 | }\r | |
568 | \r | |
3c865f20 | 569 | if (!EFI_ERROR(Status) && PcdGet8(PcdShellSupportLevel) >= 1) {\r |
a405b86d | 570 | //\r |
3c865f20 | 571 | // process the startup script or launch the called app.\r |
a405b86d | 572 | //\r |
a308e058 | 573 | Status = DoStartupScript(ShellInfoObject.ImageDevPath, ShellInfoObject.FileDevPath);\r |
3c865f20 | 574 | }\r |
a405b86d | 575 | \r |
ca79c798 | 576 | if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit && !ShellCommandGetExit() && (PcdGet8(PcdShellSupportLevel) >= 3 || PcdGetBool(PcdShellForceConsole)) && !EFI_ERROR(Status) && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {\r |
a405b86d | 577 | //\r |
3c865f20 | 578 | // begin the UI waiting loop\r |
a405b86d | 579 | //\r |
3c865f20 | 580 | do {\r |
581 | //\r | |
582 | // clean out all the memory allocated for CONST <something> * return values\r | |
583 | // between each shell prompt presentation\r | |
584 | //\r | |
585 | if (!IsListEmpty(&ShellInfoObject.BufferToFreeList.Link)){\r | |
586 | FreeBufferList(&ShellInfoObject.BufferToFreeList);\r | |
587 | }\r | |
588 | \r | |
589 | //\r | |
590 | // Reset page break back to default.\r | |
591 | //\r | |
592 | ShellInfoObject.PageBreakEnabled = PcdGetBool(PcdShellPageBreakDefault);\r | |
81cd2f53 | 593 | ASSERT (ShellInfoObject.ConsoleInfo != NULL);\r |
3c865f20 | 594 | ShellInfoObject.ConsoleInfo->Enabled = TRUE;\r |
595 | ShellInfoObject.ConsoleInfo->RowCounter = 0;\r | |
596 | \r | |
8be0ba36 | 597 | //\r |
598 | // Reset the CTRL-C event (yes we ignore the return values)\r | |
599 | //\r | |
600 | Status = gBS->CheckEvent (ShellInfoObject.NewEfiShellProtocol->ExecutionBreak);\r | |
601 | \r | |
3c865f20 | 602 | //\r |
603 | // Display Prompt\r | |
604 | //\r | |
605 | Status = DoShellPrompt();\r | |
606 | } while (!ShellCommandGetExit());\r | |
607 | }\r | |
a49f6a2f | 608 | if (OldConIn != NULL && ConInHandle != NULL) {\r |
609 | CloseSimpleTextInOnFile (gST->ConIn);\r | |
610 | gST->ConIn = OldConIn;\r | |
611 | gST->ConsoleInHandle = ConInHandle;\r | |
612 | }\r | |
a405b86d | 613 | }\r |
614 | }\r | |
3c865f20 | 615 | \r |
0477054b | 616 | FreeResources:\r |
a405b86d | 617 | //\r |
618 | // uninstall protocols / free memory / etc...\r | |
619 | //\r | |
620 | if (ShellInfoObject.UserBreakTimer != NULL) {\r | |
621 | gBS->CloseEvent(ShellInfoObject.UserBreakTimer);\r | |
622 | DEBUG_CODE(ShellInfoObject.UserBreakTimer = NULL;);\r | |
623 | }\r | |
a405b86d | 624 | if (ShellInfoObject.ImageDevPath != NULL) {\r |
625 | FreePool(ShellInfoObject.ImageDevPath);\r | |
626 | DEBUG_CODE(ShellInfoObject.ImageDevPath = NULL;);\r | |
627 | }\r | |
628 | if (ShellInfoObject.FileDevPath != NULL) {\r | |
629 | FreePool(ShellInfoObject.FileDevPath);\r | |
630 | DEBUG_CODE(ShellInfoObject.FileDevPath = NULL;);\r | |
631 | }\r | |
632 | if (ShellInfoObject.NewShellParametersProtocol != NULL) {\r | |
633 | CleanUpShellParametersProtocol(ShellInfoObject.NewShellParametersProtocol);\r | |
634 | DEBUG_CODE(ShellInfoObject.NewShellParametersProtocol = NULL;);\r | |
635 | }\r | |
636 | if (ShellInfoObject.NewEfiShellProtocol != NULL){\r | |
8be0ba36 | 637 | if (ShellInfoObject.NewEfiShellProtocol->IsRootShell()){\r |
92670471 | 638 | InternalEfiShellSetEnv(L"cwd", NULL, TRUE);\r |
8be0ba36 | 639 | }\r |
a405b86d | 640 | CleanUpShellProtocol(ShellInfoObject.NewEfiShellProtocol);\r |
641 | DEBUG_CODE(ShellInfoObject.NewEfiShellProtocol = NULL;);\r | |
642 | }\r | |
643 | \r | |
644 | if (!IsListEmpty(&ShellInfoObject.BufferToFreeList.Link)){\r | |
645 | FreeBufferList(&ShellInfoObject.BufferToFreeList);\r | |
646 | }\r | |
647 | \r | |
648 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)){\r | |
3c865f20 | 649 | ASSERT(FALSE); ///@todo finish this de-allocation.\r |
a405b86d | 650 | }\r |
651 | \r | |
652 | if (ShellInfoObject.ShellInitSettings.FileName != NULL) {\r | |
653 | FreePool(ShellInfoObject.ShellInitSettings.FileName);\r | |
654 | DEBUG_CODE(ShellInfoObject.ShellInitSettings.FileName = NULL;);\r | |
655 | }\r | |
656 | \r | |
657 | if (ShellInfoObject.ShellInitSettings.FileOptions != NULL) {\r | |
658 | FreePool(ShellInfoObject.ShellInitSettings.FileOptions);\r | |
659 | DEBUG_CODE(ShellInfoObject.ShellInitSettings.FileOptions = NULL;);\r | |
660 | }\r | |
661 | \r | |
662 | if (ShellInfoObject.HiiHandle != NULL) {\r | |
663 | HiiRemovePackages(ShellInfoObject.HiiHandle);\r | |
664 | DEBUG_CODE(ShellInfoObject.HiiHandle = NULL;);\r | |
665 | }\r | |
666 | \r | |
667 | if (!IsListEmpty(&ShellInfoObject.ViewingSettings.CommandHistory.Link)){\r | |
668 | FreeBufferList(&ShellInfoObject.ViewingSettings.CommandHistory);\r | |
669 | }\r | |
670 | \r | |
671 | ASSERT(ShellInfoObject.ConsoleInfo != NULL);\r | |
672 | if (ShellInfoObject.ConsoleInfo != NULL) {\r | |
673 | ConsoleLoggerUninstall(ShellInfoObject.ConsoleInfo);\r | |
674 | FreePool(ShellInfoObject.ConsoleInfo);\r | |
675 | DEBUG_CODE(ShellInfoObject.ConsoleInfo = NULL;);\r | |
676 | }\r | |
677 | \r | |
a308e058 RN |
678 | if (ShellCommandGetExit()) {\r |
679 | return ((EFI_STATUS)ShellCommandGetExitCode());\r | |
b6b22b13 | 680 | }\r |
a308e058 | 681 | return (Status);\r |
a405b86d | 682 | }\r |
683 | \r | |
684 | /**\r | |
685 | Sets all the alias' that were registered with the ShellCommandLib library.\r | |
686 | \r | |
d08a5464 | 687 | @retval EFI_SUCCESS all init commands were run successfully.\r |
a405b86d | 688 | **/\r |
689 | EFI_STATUS\r | |
690 | EFIAPI\r | |
691 | SetBuiltInAlias(\r | |
692 | )\r | |
693 | {\r | |
694 | EFI_STATUS Status;\r | |
695 | CONST ALIAS_LIST *List;\r | |
696 | ALIAS_LIST *Node;\r | |
697 | \r | |
698 | //\r | |
699 | // Get all the commands we want to run\r | |
700 | //\r | |
701 | List = ShellCommandGetInitAliasList();\r | |
702 | \r | |
703 | //\r | |
704 | // for each command in the List\r | |
705 | //\r | |
706 | for ( Node = (ALIAS_LIST*)GetFirstNode(&List->Link)\r | |
707 | ; !IsNull (&List->Link, &Node->Link)\r | |
708 | ; Node = (ALIAS_LIST *)GetNextNode(&List->Link, &Node->Link)\r | |
709 | ){\r | |
710 | //\r | |
711 | // install the alias'\r | |
712 | //\r | |
713 | Status = InternalSetAlias(Node->CommandString, Node->Alias, TRUE);\r | |
714 | ASSERT_EFI_ERROR(Status);\r | |
715 | }\r | |
716 | return (EFI_SUCCESS);\r | |
717 | }\r | |
718 | \r | |
719 | /**\r | |
720 | Internal function to determine if 2 command names are really the same.\r | |
721 | \r | |
722 | @param[in] Command1 The pointer to the first command name.\r | |
723 | @param[in] Command2 The pointer to the second command name.\r | |
724 | \r | |
725 | @retval TRUE The 2 command names are the same.\r | |
726 | @retval FALSE The 2 command names are not the same.\r | |
727 | **/\r | |
728 | BOOLEAN\r | |
729 | EFIAPI\r | |
730 | IsCommand(\r | |
731 | IN CONST CHAR16 *Command1,\r | |
732 | IN CONST CHAR16 *Command2\r | |
733 | )\r | |
734 | {\r | |
735 | if (StringNoCaseCompare(&Command1, &Command2) == 0) {\r | |
736 | return (TRUE);\r | |
737 | }\r | |
738 | return (FALSE);\r | |
739 | }\r | |
740 | \r | |
741 | /**\r | |
742 | Internal function to determine if a command is a script only command.\r | |
743 | \r | |
744 | @param[in] CommandName The pointer to the command name.\r | |
745 | \r | |
746 | @retval TRUE The command is a script only command.\r | |
747 | @retval FALSE The command is not a script only command.\r | |
748 | **/\r | |
749 | BOOLEAN\r | |
750 | EFIAPI\r | |
751 | IsScriptOnlyCommand(\r | |
752 | IN CONST CHAR16 *CommandName\r | |
753 | )\r | |
754 | {\r | |
755 | if (IsCommand(CommandName, L"for")\r | |
756 | ||IsCommand(CommandName, L"endfor")\r | |
757 | ||IsCommand(CommandName, L"if")\r | |
758 | ||IsCommand(CommandName, L"else")\r | |
759 | ||IsCommand(CommandName, L"endif")\r | |
760 | ||IsCommand(CommandName, L"goto")) {\r | |
761 | return (TRUE);\r | |
762 | }\r | |
763 | return (FALSE);\r | |
764 | }\r | |
765 | \r | |
a405b86d | 766 | /**\r |
767 | This function will populate the 2 device path protocol parameters based on the\r | |
768 | global gImageHandle. The DevPath will point to the device path for the handle that has\r | |
769 | loaded image protocol installed on it. The FilePath will point to the device path\r | |
770 | for the file that was loaded.\r | |
771 | \r | |
d08a5464 JP |
772 | @param[in, out] DevPath On a successful return the device path to the loaded image.\r |
773 | @param[in, out] FilePath On a successful return the device path to the file.\r | |
a405b86d | 774 | \r |
d08a5464 | 775 | @retval EFI_SUCCESS The 2 device paths were successfully returned.\r |
a405b86d | 776 | @retval other A error from gBS->HandleProtocol.\r |
777 | \r | |
778 | @sa HandleProtocol\r | |
779 | **/\r | |
780 | EFI_STATUS\r | |
781 | EFIAPI\r | |
782 | GetDevicePathsForImageAndFile (\r | |
783 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevPath,\r | |
784 | IN OUT EFI_DEVICE_PATH_PROTOCOL **FilePath\r | |
785 | )\r | |
786 | {\r | |
787 | EFI_STATUS Status;\r | |
788 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
789 | EFI_DEVICE_PATH_PROTOCOL *ImageDevicePath;\r | |
790 | \r | |
791 | ASSERT(DevPath != NULL);\r | |
792 | ASSERT(FilePath != NULL);\r | |
793 | \r | |
794 | Status = gBS->OpenProtocol (\r | |
795 | gImageHandle,\r | |
796 | &gEfiLoadedImageProtocolGuid,\r | |
797 | (VOID**)&LoadedImage,\r | |
798 | gImageHandle,\r | |
799 | NULL,\r | |
800 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
801 | );\r | |
802 | if (!EFI_ERROR (Status)) {\r | |
803 | Status = gBS->OpenProtocol (\r | |
804 | LoadedImage->DeviceHandle,\r | |
805 | &gEfiDevicePathProtocolGuid,\r | |
806 | (VOID**)&ImageDevicePath,\r | |
807 | gImageHandle,\r | |
808 | NULL,\r | |
809 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
810 | );\r | |
811 | if (!EFI_ERROR (Status)) {\r | |
812 | *DevPath = DuplicateDevicePath (ImageDevicePath);\r | |
813 | *FilePath = DuplicateDevicePath (LoadedImage->FilePath);\r | |
a49f6a2f | 814 | gBS->CloseProtocol(\r |
815 | LoadedImage->DeviceHandle,\r | |
816 | &gEfiDevicePathProtocolGuid,\r | |
817 | gImageHandle,\r | |
818 | NULL);\r | |
a405b86d | 819 | }\r |
820 | gBS->CloseProtocol(\r | |
821 | gImageHandle,\r | |
822 | &gEfiLoadedImageProtocolGuid,\r | |
823 | gImageHandle,\r | |
824 | NULL);\r | |
825 | }\r | |
826 | return (Status);\r | |
827 | }\r | |
828 | \r | |
a405b86d | 829 | /**\r |
830 | Process all Uefi Shell 2.0 command line options.\r | |
831 | \r | |
832 | see Uefi Shell 2.0 section 3.2 for full details.\r | |
833 | \r | |
834 | the command line must resemble the following:\r | |
835 | \r | |
836 | shell.efi [ShellOpt-options] [options] [file-name [file-name-options]]\r | |
837 | \r | |
838 | ShellOpt-options Options which control the initialization behavior of the shell.\r | |
839 | These options are read from the EFI global variable "ShellOpt"\r | |
840 | and are processed before options or file-name.\r | |
841 | \r | |
842 | options Options which control the initialization behavior of the shell.\r | |
843 | \r | |
844 | file-name The name of a UEFI shell application or script to be executed\r | |
845 | after initialization is complete. By default, if file-name is\r | |
846 | specified, then -nostartup is implied. Scripts are not supported\r | |
847 | by level 0.\r | |
848 | \r | |
849 | file-name-options The command-line options that are passed to file-name when it\r | |
850 | is invoked.\r | |
851 | \r | |
852 | This will initialize the ShellInfoObject.ShellInitSettings global variable.\r | |
853 | \r | |
854 | @retval EFI_SUCCESS The variable is initialized.\r | |
855 | **/\r | |
856 | EFI_STATUS\r | |
857 | EFIAPI\r | |
858 | ProcessCommandLine(\r | |
859 | VOID\r | |
860 | )\r | |
861 | {\r | |
23385d63 BJ |
862 | UINTN Size;\r |
863 | UINTN LoopVar;\r | |
864 | CHAR16 *CurrentArg;\r | |
865 | CHAR16 *DelayValueStr;\r | |
866 | UINT64 DelayValue;\r | |
867 | EFI_STATUS Status;\r | |
868 | EFI_UNICODE_COLLATION_PROTOCOL *UnicodeCollation;\r | |
869 | \r | |
870 | // `file-name-options` will contain arguments to `file-name` that we don't\r | |
871 | // know about. This would cause ShellCommandLineParse to error, so we parse\r | |
872 | // arguments manually, ignoring those after the first thing that doesn't look\r | |
873 | // like a shell option (which is assumed to be `file-name`).\r | |
874 | \r | |
875 | Status = gBS->LocateProtocol (\r | |
876 | &gEfiUnicodeCollationProtocolGuid,\r | |
877 | NULL,\r | |
878 | (VOID **) &UnicodeCollation\r | |
879 | );\r | |
880 | if (EFI_ERROR (Status)) {\r | |
881 | return Status;\r | |
882 | }\r | |
883 | \r | |
884 | // Set default options\r | |
885 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup = FALSE;\r | |
886 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = FALSE;\r | |
887 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleOut = FALSE;\r | |
888 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn = FALSE;\r | |
889 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt = FALSE;\r | |
890 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap = FALSE;\r | |
891 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion = FALSE;\r | |
892 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Delay = FALSE;\r | |
893 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit = FALSE;\r | |
894 | ShellInfoObject.ShellInitSettings.Delay = 5;\r | |
895 | \r | |
e9d19a80 CP |
896 | //\r |
897 | // Start LoopVar at 0 to parse only optional arguments at Argv[0]\r | |
898 | // and parse other parameters from Argv[1]. This is for use case that\r | |
899 | // UEFI Shell boot option is created, and OptionalData is provided\r | |
900 | // that starts with shell command-line options.\r | |
901 | //\r | |
902 | for (LoopVar = 0 ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {\r | |
23385d63 BJ |
903 | CurrentArg = gEfiShellParametersProtocol->Argv[LoopVar];\r |
904 | if (UnicodeCollation->StriColl (\r | |
905 | UnicodeCollation,\r | |
906 | L"-startup",\r | |
907 | CurrentArg\r | |
908 | ) == 0) {\r | |
909 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup = TRUE;\r | |
3c865f20 | 910 | }\r |
23385d63 BJ |
911 | else if (UnicodeCollation->StriColl (\r |
912 | UnicodeCollation,\r | |
913 | L"-nostartup",\r | |
914 | CurrentArg\r | |
915 | ) == 0) {\r | |
916 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = TRUE;\r | |
917 | }\r | |
918 | else if (UnicodeCollation->StriColl (\r | |
919 | UnicodeCollation,\r | |
920 | L"-noconsoleout",\r | |
921 | CurrentArg\r | |
922 | ) == 0) {\r | |
923 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleOut = TRUE;\r | |
924 | }\r | |
925 | else if (UnicodeCollation->StriColl (\r | |
926 | UnicodeCollation,\r | |
927 | L"-noconsolein",\r | |
928 | CurrentArg\r | |
929 | ) == 0) {\r | |
930 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn = TRUE;\r | |
931 | }\r | |
932 | else if (UnicodeCollation->StriColl (\r | |
933 | UnicodeCollation,\r | |
934 | L"-nointerrupt",\r | |
935 | CurrentArg\r | |
936 | ) == 0) {\r | |
937 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt = TRUE;\r | |
938 | }\r | |
939 | else if (UnicodeCollation->StriColl (\r | |
940 | UnicodeCollation,\r | |
941 | L"-nomap",\r | |
942 | CurrentArg\r | |
943 | ) == 0) {\r | |
944 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap = TRUE;\r | |
945 | }\r | |
946 | else if (UnicodeCollation->StriColl (\r | |
947 | UnicodeCollation,\r | |
948 | L"-noversion",\r | |
949 | CurrentArg\r | |
950 | ) == 0) {\r | |
951 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion = TRUE;\r | |
952 | }\r | |
953 | else if (UnicodeCollation->StriColl (\r | |
954 | UnicodeCollation,\r | |
955 | L"-delay",\r | |
956 | CurrentArg\r | |
957 | ) == 0) {\r | |
958 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Delay = TRUE;\r | |
959 | // Check for optional delay value following "-delay"\r | |
960 | DelayValueStr = gEfiShellParametersProtocol->Argv[LoopVar + 1];\r | |
961 | if (DelayValueStr != NULL){\r | |
962 | if (*DelayValueStr == L':') {\r | |
963 | DelayValueStr++;\r | |
964 | }\r | |
965 | if (!EFI_ERROR(ShellConvertStringToUint64 (\r | |
966 | DelayValueStr,\r | |
967 | &DelayValue,\r | |
968 | FALSE,\r | |
969 | FALSE\r | |
970 | ))) {\r | |
971 | ShellInfoObject.ShellInitSettings.Delay = (UINTN)DelayValue;\r | |
972 | LoopVar++;\r | |
973 | }\r | |
974 | }\r | |
975 | } else if (UnicodeCollation->StriColl (\r | |
976 | UnicodeCollation,\r | |
977 | L"-_exit",\r | |
978 | CurrentArg\r | |
979 | ) == 0) {\r | |
980 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit = TRUE;\r | |
981 | } else if (StrnCmp (L"-", CurrentArg, 1) == 0) {\r | |
d08a5464 | 982 | // Unrecognized option\r |
23385d63 BJ |
983 | ShellPrintHiiEx(-1, -1, NULL,\r |
984 | STRING_TOKEN (STR_GEN_PROBLEM),\r | |
985 | ShellInfoObject.HiiHandle,\r | |
986 | CurrentArg\r | |
987 | );\r | |
988 | return EFI_INVALID_PARAMETER;\r | |
989 | } else {\r | |
e9d19a80 CP |
990 | //\r |
991 | // First argument should be Shell.efi image name\r | |
992 | //\r | |
993 | if (LoopVar == 0) {\r | |
994 | continue;\r | |
995 | }\r | |
996 | \r | |
7f79b01e | 997 | ShellInfoObject.ShellInitSettings.FileName = AllocateCopyPool(StrSize(CurrentArg), CurrentArg);\r |
23385d63 BJ |
998 | if (ShellInfoObject.ShellInitSettings.FileName == NULL) {\r |
999 | return (EFI_OUT_OF_RESOURCES);\r | |
1000 | }\r | |
1001 | //\r | |
1002 | // We found `file-name`.\r | |
1003 | //\r | |
1004 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = 1;\r | |
23385d63 BJ |
1005 | LoopVar++;\r |
1006 | \r | |
1007 | // Add `file-name-options`\r | |
ba71f790 | 1008 | for (Size = 0 ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {\r |
23385d63 BJ |
1009 | ASSERT((ShellInfoObject.ShellInitSettings.FileOptions == NULL && Size == 0) || (ShellInfoObject.ShellInitSettings.FileOptions != NULL));\r |
1010 | StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions,\r | |
1011 | &Size,\r | |
1012 | L" ",\r | |
1013 | 0);\r | |
1014 | if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {\r | |
1015 | SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);\r | |
1016 | return (EFI_OUT_OF_RESOURCES);\r | |
1017 | }\r | |
1018 | StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions,\r | |
1019 | &Size,\r | |
1020 | gEfiShellParametersProtocol->Argv[LoopVar],\r | |
1021 | 0);\r | |
1022 | if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {\r | |
1023 | SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);\r | |
1024 | return (EFI_OUT_OF_RESOURCES);\r | |
a405b86d | 1025 | }\r |
1026 | }\r | |
a405b86d | 1027 | }\r |
1028 | }\r | |
1029 | \r | |
23385d63 | 1030 | // "-nointerrupt" overrides "-delay"\r |
733f138d | 1031 | if (ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt) {\r |
1032 | ShellInfoObject.ShellInitSettings.Delay = 0;\r | |
a405b86d | 1033 | }\r |
a405b86d | 1034 | \r |
23385d63 | 1035 | return EFI_SUCCESS;\r |
a405b86d | 1036 | }\r |
1037 | \r | |
1038 | /**\r | |
1039 | Handles all interaction with the default startup script.\r | |
1040 | \r | |
1041 | this will check that the correct command line parameters were passed, handle the delay, and then start running the script.\r | |
1042 | \r | |
1043 | @param ImagePath the path to the image for shell. first place to look for the startup script\r | |
1044 | @param FilePath the path to the file for shell. second place to look for the startup script.\r | |
1045 | \r | |
1046 | @retval EFI_SUCCESS the variable is initialized.\r | |
1047 | **/\r | |
1048 | EFI_STATUS\r | |
1049 | EFIAPI\r | |
1050 | DoStartupScript(\r | |
a308e058 RN |
1051 | IN EFI_DEVICE_PATH_PROTOCOL *ImagePath,\r |
1052 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath\r | |
a405b86d | 1053 | )\r |
1054 | {\r | |
1055 | EFI_STATUS Status;\r | |
490ce43d | 1056 | EFI_STATUS CalleeStatus;\r |
a405b86d | 1057 | UINTN Delay;\r |
1058 | EFI_INPUT_KEY Key;\r | |
1059 | SHELL_FILE_HANDLE FileHandle;\r | |
1060 | EFI_DEVICE_PATH_PROTOCOL *NewPath;\r | |
1061 | EFI_DEVICE_PATH_PROTOCOL *NamePath;\r | |
1062 | CHAR16 *FileStringPath;\r | |
733f138d | 1063 | CHAR16 *TempSpot;\r |
a405b86d | 1064 | UINTN NewSize;\r |
733f138d | 1065 | CONST CHAR16 *MapName;\r |
a405b86d | 1066 | \r |
1067 | Key.UnicodeChar = CHAR_NULL;\r | |
1068 | Key.ScanCode = 0;\r | |
1069 | FileHandle = NULL;\r | |
1070 | \r | |
1071 | if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup && ShellInfoObject.ShellInitSettings.FileName != NULL) {\r | |
1072 | //\r | |
1073 | // launch something else instead\r | |
1074 | //\r | |
1075 | NewSize = StrSize(ShellInfoObject.ShellInitSettings.FileName);\r | |
1076 | if (ShellInfoObject.ShellInitSettings.FileOptions != NULL) {\r | |
1077 | NewSize += StrSize(ShellInfoObject.ShellInitSettings.FileOptions) + sizeof(CHAR16);\r | |
1078 | }\r | |
1079 | FileStringPath = AllocateZeroPool(NewSize);\r | |
3c865f20 | 1080 | if (FileStringPath == NULL) {\r |
1081 | return (EFI_OUT_OF_RESOURCES);\r | |
1082 | }\r | |
e75390f0 | 1083 | StrCpyS(FileStringPath, NewSize/sizeof(CHAR16), ShellInfoObject.ShellInitSettings.FileName);\r |
a405b86d | 1084 | if (ShellInfoObject.ShellInitSettings.FileOptions != NULL) {\r |
e75390f0 QS |
1085 | StrnCatS(FileStringPath, NewSize/sizeof(CHAR16), L" ", NewSize/sizeof(CHAR16) - StrLen(FileStringPath) -1);\r |
1086 | StrnCatS(FileStringPath, NewSize/sizeof(CHAR16), ShellInfoObject.ShellInitSettings.FileOptions, NewSize/sizeof(CHAR16) - StrLen(FileStringPath) -1);\r | |
a405b86d | 1087 | }\r |
490ce43d QS |
1088 | Status = RunShellCommand(FileStringPath, &CalleeStatus);\r |
1089 | if (ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit == TRUE) {\r | |
01e3a976 | 1090 | ShellCommandRegisterExit(gEfiShellProtocol->BatchIsActive(), (UINT64)CalleeStatus);\r |
490ce43d | 1091 | }\r |
a405b86d | 1092 | FreePool(FileStringPath);\r |
1093 | return (Status);\r | |
1094 | \r | |
1095 | }\r | |
1096 | \r | |
1097 | //\r | |
1098 | // for shell level 0 we do no scripts\r | |
1099 | // Without the Startup bit overriding we allow for nostartup to prevent scripts\r | |
1100 | //\r | |
1101 | if ( (PcdGet8(PcdShellSupportLevel) < 1)\r | |
1102 | || (ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup)\r | |
1103 | ){\r | |
1104 | return (EFI_SUCCESS);\r | |
1105 | }\r | |
1106 | \r | |
5559a41a | 1107 | gST->ConOut->EnableCursor(gST->ConOut, FALSE);\r |
a405b86d | 1108 | //\r |
1109 | // print out our warning and see if they press a key\r | |
1110 | //\r | |
284e034f | 1111 | for ( Status = EFI_UNSUPPORTED, Delay = ShellInfoObject.ShellInitSettings.Delay\r |
733f138d | 1112 | ; Delay != 0 && EFI_ERROR(Status)\r |
a405b86d | 1113 | ; Delay--\r |
1114 | ){\r | |
284e034f CP |
1115 | ShellPrintHiiEx(0, gST->ConOut->Mode->CursorRow, NULL, STRING_TOKEN (STR_SHELL_STARTUP_QUESTION), ShellInfoObject.HiiHandle, Delay);\r |
1116 | gBS->Stall (1000000);\r | |
733f138d | 1117 | if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {\r |
1118 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r | |
1119 | }\r | |
a405b86d | 1120 | }\r |
1121 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CRLF), ShellInfoObject.HiiHandle);\r | |
5559a41a | 1122 | gST->ConOut->EnableCursor(gST->ConOut, TRUE);\r |
a405b86d | 1123 | \r |
1124 | //\r | |
1125 | // ESC was pressed\r | |
1126 | //\r | |
1127 | if (Status == EFI_SUCCESS && Key.UnicodeChar == 0 && Key.ScanCode == SCAN_ESC) {\r | |
1128 | return (EFI_SUCCESS);\r | |
1129 | }\r | |
1130 | \r | |
a405b86d | 1131 | //\r |
733f138d | 1132 | // Try the first location (must be file system)\r |
a405b86d | 1133 | //\r |
733f138d | 1134 | MapName = ShellInfoObject.NewEfiShellProtocol->GetMapFromDevicePath(&ImagePath);\r |
1135 | if (MapName != NULL) {\r | |
1136 | FileStringPath = NULL;\r | |
1137 | NewSize = 0;\r | |
1138 | FileStringPath = StrnCatGrow(&FileStringPath, &NewSize, MapName, 0);\r | |
532691c8 | 1139 | if (FileStringPath == NULL) {\r |
1140 | Status = EFI_OUT_OF_RESOURCES;\r | |
1141 | } else {\r | |
1142 | TempSpot = StrStr(FileStringPath, L";");\r | |
1143 | if (TempSpot != NULL) {\r | |
1144 | *TempSpot = CHAR_NULL;\r | |
1145 | }\r | |
1146 | FileStringPath = StrnCatGrow(&FileStringPath, &NewSize, ((FILEPATH_DEVICE_PATH*)FilePath)->PathName, 0);\r | |
1147 | PathRemoveLastItem(FileStringPath);\r | |
1148 | FileStringPath = StrnCatGrow(&FileStringPath, &NewSize, mStartupScript, 0);\r | |
1149 | Status = ShellInfoObject.NewEfiShellProtocol->OpenFileByName(FileStringPath, &FileHandle, EFI_FILE_MODE_READ);\r | |
1150 | FreePool(FileStringPath);\r | |
733f138d | 1151 | }\r |
733f138d | 1152 | }\r |
a405b86d | 1153 | if (EFI_ERROR(Status)) {\r |
733f138d | 1154 | NamePath = FileDevicePath (NULL, mStartupScript);\r |
1155 | NewPath = AppendDevicePathNode (ImagePath, NamePath);\r | |
1156 | FreePool(NamePath);\r | |
1157 | \r | |
a405b86d | 1158 | //\r |
733f138d | 1159 | // Try the location\r |
a405b86d | 1160 | //\r |
a405b86d | 1161 | Status = InternalOpenFileDevicePath(NewPath, &FileHandle, EFI_FILE_MODE_READ, 0);\r |
733f138d | 1162 | FreePool(NewPath);\r |
a405b86d | 1163 | }\r |
a405b86d | 1164 | //\r |
1165 | // If we got a file, run it\r | |
1166 | //\r | |
733f138d | 1167 | if (!EFI_ERROR(Status) && FileHandle != NULL) {\r |
a308e058 | 1168 | Status = RunScriptFile (mStartupScript, FileHandle, L"", ShellInfoObject.NewShellParametersProtocol);\r |
a405b86d | 1169 | ShellInfoObject.NewEfiShellProtocol->CloseFile(FileHandle);\r |
1170 | } else {\r | |
3c865f20 | 1171 | FileStringPath = ShellFindFilePath(mStartupScript);\r |
1172 | if (FileStringPath == NULL) {\r | |
1173 | //\r | |
d08a5464 | 1174 | // we return success since we don't need to have a startup script\r |
3c865f20 | 1175 | //\r |
1176 | Status = EFI_SUCCESS;\r | |
1177 | ASSERT(FileHandle == NULL);\r | |
1178 | } else {\r | |
a308e058 | 1179 | Status = RunScriptFile(FileStringPath, NULL, L"", ShellInfoObject.NewShellParametersProtocol);\r |
3c865f20 | 1180 | FreePool(FileStringPath);\r |
1181 | }\r | |
a405b86d | 1182 | }\r |
1183 | \r | |
a405b86d | 1184 | \r |
1185 | return (Status);\r | |
1186 | }\r | |
1187 | \r | |
1188 | /**\r | |
1189 | Function to perform the shell prompt looping. It will do a single prompt,\r | |
1190 | dispatch the result, and then return. It is expected that the caller will\r | |
1191 | call this function in a loop many times.\r | |
1192 | \r | |
1193 | @retval EFI_SUCCESS\r | |
1194 | @retval RETURN_ABORTED\r | |
1195 | **/\r | |
1196 | EFI_STATUS\r | |
1197 | EFIAPI\r | |
1198 | DoShellPrompt (\r | |
1199 | VOID\r | |
1200 | )\r | |
1201 | {\r | |
1202 | UINTN Column;\r | |
1203 | UINTN Row;\r | |
1204 | CHAR16 *CmdLine;\r | |
1205 | CONST CHAR16 *CurDir;\r | |
1206 | UINTN BufferSize;\r | |
1207 | EFI_STATUS Status;\r | |
594e780b | 1208 | LIST_ENTRY OldBufferList;\r |
a405b86d | 1209 | \r |
1210 | CurDir = NULL;\r | |
1211 | \r | |
1212 | //\r | |
1213 | // Get screen setting to decide size of the command line buffer\r | |
1214 | //\r | |
1215 | gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &Column, &Row);\r | |
1216 | BufferSize = Column * Row * sizeof (CHAR16);\r | |
1217 | CmdLine = AllocateZeroPool (BufferSize);\r | |
1218 | if (CmdLine == NULL) {\r | |
1219 | return EFI_OUT_OF_RESOURCES;\r | |
1220 | }\r | |
1221 | \r | |
594e780b | 1222 | SaveBufferList(&OldBufferList);\r |
a405b86d | 1223 | CurDir = ShellInfoObject.NewEfiShellProtocol->GetEnv(L"cwd");\r |
1224 | \r | |
1225 | //\r | |
1226 | // Prompt for input\r | |
1227 | //\r | |
1228 | gST->ConOut->SetCursorPosition (gST->ConOut, 0, gST->ConOut->Mode->CursorRow);\r | |
1229 | \r | |
1230 | if (CurDir != NULL && StrLen(CurDir) > 1) {\r | |
1231 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CURDIR), ShellInfoObject.HiiHandle, CurDir);\r | |
1232 | } else {\r | |
1233 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_SHELL), ShellInfoObject.HiiHandle);\r | |
1234 | }\r | |
1235 | \r | |
1236 | //\r | |
1237 | // Read a line from the console\r | |
1238 | //\r | |
1239 | Status = ShellInfoObject.NewEfiShellProtocol->ReadFile(ShellInfoObject.NewShellParametersProtocol->StdIn, &BufferSize, CmdLine);\r | |
1240 | \r | |
1241 | //\r | |
1242 | // Null terminate the string and parse it\r | |
1243 | //\r | |
1244 | if (!EFI_ERROR (Status)) {\r | |
1245 | CmdLine[BufferSize / sizeof (CHAR16)] = CHAR_NULL;\r | |
a308e058 | 1246 | Status = RunCommand(CmdLine);\r |
4922715d | 1247 | }\r |
a405b86d | 1248 | \r |
1249 | //\r | |
1250 | // Done with this command\r | |
1251 | //\r | |
594e780b | 1252 | RestoreBufferList(&OldBufferList);\r |
a405b86d | 1253 | FreePool (CmdLine);\r |
1254 | return Status;\r | |
1255 | }\r | |
1256 | \r | |
1257 | /**\r | |
1258 | Add a buffer to the Buffer To Free List for safely returning buffers to other\r | |
1259 | places without risking letting them modify internal shell information.\r | |
1260 | \r | |
1261 | @param Buffer Something to pass to FreePool when the shell is exiting.\r | |
1262 | **/\r | |
1263 | VOID*\r | |
1264 | EFIAPI\r | |
1265 | AddBufferToFreeList(\r | |
1266 | VOID *Buffer\r | |
1267 | )\r | |
1268 | {\r | |
1269 | BUFFER_LIST *BufferListEntry;\r | |
1270 | \r | |
1271 | if (Buffer == NULL) {\r | |
1272 | return (NULL);\r | |
1273 | }\r | |
1274 | \r | |
1275 | BufferListEntry = AllocateZeroPool(sizeof(BUFFER_LIST));\r | |
1276 | ASSERT(BufferListEntry != NULL);\r | |
1277 | BufferListEntry->Buffer = Buffer;\r | |
1278 | InsertTailList(&ShellInfoObject.BufferToFreeList.Link, &BufferListEntry->Link);\r | |
1279 | return (Buffer);\r | |
1280 | }\r | |
1281 | \r | |
14810d6b QS |
1282 | \r |
1283 | /**\r | |
1284 | Create a new buffer list and stores the old one to OldBufferList \r | |
1285 | \r | |
1286 | @param OldBufferList The temporary list head used to store the nodes in BufferToFreeList.\r | |
1287 | **/\r | |
1288 | VOID\r | |
1289 | SaveBufferList (\r | |
1290 | OUT LIST_ENTRY *OldBufferList\r | |
1291 | )\r | |
1292 | {\r | |
1293 | CopyMem (OldBufferList, &ShellInfoObject.BufferToFreeList.Link, sizeof (LIST_ENTRY));\r | |
1294 | InitializeListHead (&ShellInfoObject.BufferToFreeList.Link);\r | |
1295 | }\r | |
1296 | \r | |
1297 | /**\r | |
1298 | Restore previous nodes into BufferToFreeList .\r | |
1299 | \r | |
1300 | @param OldBufferList The temporary list head used to store the nodes in BufferToFreeList.\r | |
1301 | **/\r | |
1302 | VOID\r | |
1303 | RestoreBufferList (\r | |
1304 | IN OUT LIST_ENTRY *OldBufferList\r | |
1305 | )\r | |
1306 | {\r | |
1307 | FreeBufferList (&ShellInfoObject.BufferToFreeList);\r | |
1308 | CopyMem (&ShellInfoObject.BufferToFreeList.Link, OldBufferList, sizeof (LIST_ENTRY));\r | |
1309 | }\r | |
1310 | \r | |
1311 | \r | |
a405b86d | 1312 | /**\r |
1313 | Add a buffer to the Line History List\r | |
1314 | \r | |
1315 | @param Buffer The line buffer to add.\r | |
1316 | **/\r | |
1317 | VOID\r | |
1318 | EFIAPI\r | |
1319 | AddLineToCommandHistory(\r | |
1320 | IN CONST CHAR16 *Buffer\r | |
1321 | )\r | |
1322 | {\r | |
1323 | BUFFER_LIST *Node;\r | |
a4f138a4 QS |
1324 | BUFFER_LIST *Walker;\r |
1325 | UINT16 MaxHistoryCmdCount;\r | |
1326 | UINT16 Count;\r | |
1327 | \r | |
1328 | Count = 0;\r | |
1329 | MaxHistoryCmdCount = PcdGet16(PcdShellMaxHistoryCommandCount);\r | |
1330 | \r | |
1331 | if (MaxHistoryCmdCount == 0) {\r | |
1332 | return ;\r | |
1333 | }\r | |
1334 | \r | |
a405b86d | 1335 | \r |
1336 | Node = AllocateZeroPool(sizeof(BUFFER_LIST));\r | |
1337 | ASSERT(Node != NULL);\r | |
7f79b01e | 1338 | Node->Buffer = AllocateCopyPool(StrSize(Buffer), Buffer);\r |
a405b86d | 1339 | ASSERT(Node->Buffer != NULL);\r |
a405b86d | 1340 | \r |
a4f138a4 QS |
1341 | for ( Walker = (BUFFER_LIST*)GetFirstNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link)\r |
1342 | ; !IsNull(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &Walker->Link)\r | |
1343 | ; Walker = (BUFFER_LIST*)GetNextNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &Walker->Link)\r | |
1344 | ){\r | |
1345 | Count++;\r | |
1346 | }\r | |
1347 | if (Count < MaxHistoryCmdCount){\r | |
1348 | InsertTailList(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &Node->Link);\r | |
1349 | } else {\r | |
1350 | Walker = (BUFFER_LIST*)GetFirstNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link);\r | |
1351 | RemoveEntryList(&Walker->Link);\r | |
1352 | if (Walker->Buffer != NULL) {\r | |
1353 | FreePool(Walker->Buffer);\r | |
1354 | }\r | |
1355 | FreePool(Walker);\r | |
1356 | InsertTailList(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &Node->Link);\r | |
1357 | }\r | |
a405b86d | 1358 | }\r |
1359 | \r | |
1360 | /**\r | |
1361 | Checks if a string is an alias for another command. If yes, then it replaces the alias name\r | |
1362 | with the correct command name.\r | |
1363 | \r | |
4ff7e37b ED |
1364 | @param[in, out] CommandString Upon entry the potential alias. Upon return the\r |
1365 | command name if it was an alias. If it was not\r | |
1366 | an alias it will be unchanged. This function may\r | |
1367 | change the buffer to fit the command name.\r | |
a405b86d | 1368 | \r |
1369 | @retval EFI_SUCCESS The name was changed.\r | |
1370 | @retval EFI_SUCCESS The name was not an alias.\r | |
1371 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1372 | **/\r | |
1373 | EFI_STATUS\r | |
1374 | EFIAPI\r | |
1375 | ShellConvertAlias(\r | |
1376 | IN OUT CHAR16 **CommandString\r | |
1377 | )\r | |
1378 | {\r | |
1379 | CONST CHAR16 *NewString;\r | |
1380 | \r | |
1381 | NewString = ShellInfoObject.NewEfiShellProtocol->GetAlias(*CommandString, NULL);\r | |
1382 | if (NewString == NULL) {\r | |
1383 | return (EFI_SUCCESS);\r | |
1384 | }\r | |
1385 | FreePool(*CommandString);\r | |
7f79b01e | 1386 | *CommandString = AllocateCopyPool(StrSize(NewString), NewString);\r |
a405b86d | 1387 | if (*CommandString == NULL) {\r |
1388 | return (EFI_OUT_OF_RESOURCES);\r | |
1389 | }\r | |
a405b86d | 1390 | return (EFI_SUCCESS);\r |
1391 | }\r | |
1392 | \r | |
d5b5440b JC |
1393 | /**\r |
1394 | This function will eliminate unreplaced (and therefore non-found) environment variables.\r | |
1395 | \r | |
1396 | @param[in,out] CmdLine The command line to update.\r | |
1397 | **/\r | |
1398 | EFI_STATUS\r | |
1399 | EFIAPI\r | |
1400 | StripUnreplacedEnvironmentVariables(\r | |
1401 | IN OUT CHAR16 *CmdLine\r | |
1402 | )\r | |
1403 | {\r | |
1404 | CHAR16 *FirstPercent;\r | |
1405 | CHAR16 *FirstQuote;\r | |
1406 | CHAR16 *SecondPercent;\r | |
1407 | CHAR16 *SecondQuote;\r | |
1408 | CHAR16 *CurrentLocator;\r | |
1409 | \r | |
1410 | for (CurrentLocator = CmdLine ; CurrentLocator != NULL ; ) {\r | |
a95cf8f0 JC |
1411 | FirstQuote = FindNextInstance(CurrentLocator, L"\"", TRUE);\r |
1412 | FirstPercent = FindNextInstance(CurrentLocator, L"%", TRUE);\r | |
1413 | SecondPercent = FirstPercent!=NULL?FindNextInstance(FirstPercent+1, L"%", TRUE):NULL;\r | |
d5b5440b JC |
1414 | if (FirstPercent == NULL || SecondPercent == NULL) {\r |
1415 | //\r | |
d08a5464 | 1416 | // If we ever don't have 2 % we are done.\r |
d5b5440b JC |
1417 | //\r |
1418 | break;\r | |
1419 | }\r | |
1420 | \r | |
fdd52bde | 1421 | if (FirstQuote!= NULL && FirstQuote < FirstPercent) {\r |
a95cf8f0 | 1422 | SecondQuote = FindNextInstance(FirstQuote+1, L"\"", TRUE);\r |
d5b5440b JC |
1423 | //\r |
1424 | // Quote is first found\r | |
1425 | //\r | |
a95cf8f0 | 1426 | \r |
d5b5440b JC |
1427 | if (SecondQuote < FirstPercent) {\r |
1428 | //\r | |
1429 | // restart after the pair of "\r | |
1430 | //\r | |
1431 | CurrentLocator = SecondQuote + 1;\r | |
1432 | } else /* FirstPercent < SecondQuote */{\r | |
1433 | //\r | |
1434 | // Restart on the first percent\r | |
1435 | //\r | |
1436 | CurrentLocator = FirstPercent;\r | |
1437 | }\r | |
1438 | continue;\r | |
1439 | }\r | |
fdd52bde | 1440 | \r |
fe8ec3dd | 1441 | if (FirstQuote == NULL || SecondPercent < FirstQuote) {\r |
42435671 QS |
1442 | if (IsValidEnvironmentVariableName(FirstPercent, SecondPercent)) {\r |
1443 | //\r | |
1444 | // We need to remove from FirstPercent to SecondPercent\r | |
1445 | //\r | |
1446 | CopyMem(FirstPercent, SecondPercent + 1, StrSize(SecondPercent + 1));\r | |
1447 | //\r | |
d08a5464 | 1448 | // don't need to update the locator. both % characters are gone.\r |
42435671 QS |
1449 | //\r |
1450 | } else {\r | |
1451 | CurrentLocator = SecondPercent + 1;\r | |
1452 | }\r | |
d5b5440b JC |
1453 | continue;\r |
1454 | }\r | |
d5b5440b JC |
1455 | CurrentLocator = FirstQuote;\r |
1456 | }\r | |
1457 | return (EFI_SUCCESS);\r | |
1458 | }\r | |
1459 | \r | |
a405b86d | 1460 | /**\r |
1461 | Function allocates a new command line and replaces all instances of environment\r | |
1462 | variable names that are correctly preset to their values.\r | |
1463 | \r | |
1464 | If the return value is not NULL the memory must be caller freed.\r | |
1465 | \r | |
1466 | @param[in] OriginalCommandLine The original command line\r | |
1467 | \r | |
d08a5464 | 1468 | @retval NULL An error occurred.\r |
a405b86d | 1469 | @return The new command line with no environment variables present.\r |
1470 | **/\r | |
1471 | CHAR16*\r | |
1472 | EFIAPI\r | |
1473 | ShellConvertVariables (\r | |
1474 | IN CONST CHAR16 *OriginalCommandLine\r | |
1475 | )\r | |
1476 | {\r | |
1477 | CONST CHAR16 *MasterEnvList;\r | |
1478 | UINTN NewSize;\r | |
1479 | CHAR16 *NewCommandLine1;\r | |
1480 | CHAR16 *NewCommandLine2;\r | |
1481 | CHAR16 *Temp;\r | |
1482 | UINTN ItemSize;\r | |
1483 | CHAR16 *ItemTemp;\r | |
1484 | SCRIPT_FILE *CurrentScriptFile;\r | |
1485 | ALIAS_LIST *AliasListNode;\r | |
1486 | \r | |
1487 | ASSERT(OriginalCommandLine != NULL);\r | |
1488 | \r | |
1489 | ItemSize = 0;\r | |
1490 | NewSize = StrSize(OriginalCommandLine);\r | |
1491 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r | |
1492 | Temp = NULL;\r | |
1493 | \r | |
1494 | ///@todo update this to handle the %0 - %9 for scripting only (borrow from line 1256 area) ? ? ?\r | |
1495 | \r | |
1496 | //\r | |
1497 | // calculate the size required for the post-conversion string...\r | |
1498 | //\r | |
1499 | if (CurrentScriptFile != NULL) {\r | |
1500 | for (AliasListNode = (ALIAS_LIST*)GetFirstNode(&CurrentScriptFile->SubstList)\r | |
1501 | ; !IsNull(&CurrentScriptFile->SubstList, &AliasListNode->Link)\r | |
1502 | ; AliasListNode = (ALIAS_LIST*)GetNextNode(&CurrentScriptFile->SubstList, &AliasListNode->Link)\r | |
1503 | ){\r | |
1504 | for (Temp = StrStr(OriginalCommandLine, AliasListNode->Alias)\r | |
1505 | ; Temp != NULL\r | |
1506 | ; Temp = StrStr(Temp+1, AliasListNode->Alias)\r | |
1507 | ){\r | |
1508 | //\r | |
d08a5464 | 1509 | // we need a preceding and if there is space no ^ preceding (if no space ignore)\r |
a405b86d | 1510 | //\r |
1511 | if ((((Temp-OriginalCommandLine)>2) && *(Temp-2) != L'^') || ((Temp-OriginalCommandLine)<=2)) {\r | |
1512 | NewSize += StrSize(AliasListNode->CommandString);\r | |
1513 | }\r | |
1514 | }\r | |
1515 | }\r | |
1516 | }\r | |
1517 | \r | |
1518 | for (MasterEnvList = EfiShellGetEnv(NULL)\r | |
1519 | ; MasterEnvList != NULL && *MasterEnvList != CHAR_NULL //&& *(MasterEnvList+1) != CHAR_NULL\r | |
1520 | ; MasterEnvList += StrLen(MasterEnvList) + 1\r | |
1521 | ){\r | |
1522 | if (StrSize(MasterEnvList) > ItemSize) {\r | |
1523 | ItemSize = StrSize(MasterEnvList);\r | |
1524 | }\r | |
1525 | for (Temp = StrStr(OriginalCommandLine, MasterEnvList)\r | |
1526 | ; Temp != NULL\r | |
1527 | ; Temp = StrStr(Temp+1, MasterEnvList)\r | |
1528 | ){\r | |
1529 | //\r | |
d08a5464 | 1530 | // we need a preceding and following % and if there is space no ^ preceding (if no space ignore)\r |
a405b86d | 1531 | //\r |
1532 | if (*(Temp-1) == L'%' && *(Temp+StrLen(MasterEnvList)) == L'%' &&\r | |
1533 | ((((Temp-OriginalCommandLine)>2) && *(Temp-2) != L'^') || ((Temp-OriginalCommandLine)<=2))) {\r | |
1534 | NewSize+=StrSize(EfiShellGetEnv(MasterEnvList));\r | |
1535 | }\r | |
1536 | }\r | |
1537 | }\r | |
1538 | \r | |
a405b86d | 1539 | //\r |
1540 | // now do the replacements...\r | |
1541 | //\r | |
7f79b01e | 1542 | NewCommandLine1 = AllocateCopyPool(NewSize, OriginalCommandLine);\r |
a405b86d | 1543 | NewCommandLine2 = AllocateZeroPool(NewSize);\r |
1544 | ItemTemp = AllocateZeroPool(ItemSize+(2*sizeof(CHAR16)));\r | |
3c865f20 | 1545 | if (NewCommandLine1 == NULL || NewCommandLine2 == NULL || ItemTemp == NULL) {\r |
1546 | SHELL_FREE_NON_NULL(NewCommandLine1);\r | |
1547 | SHELL_FREE_NON_NULL(NewCommandLine2);\r | |
1548 | SHELL_FREE_NON_NULL(ItemTemp);\r | |
1549 | return (NULL);\r | |
1550 | }\r | |
a405b86d | 1551 | for (MasterEnvList = EfiShellGetEnv(NULL)\r |
7f79b01e | 1552 | ; MasterEnvList != NULL && *MasterEnvList != CHAR_NULL\r |
a405b86d | 1553 | ; MasterEnvList += StrLen(MasterEnvList) + 1\r |
1554 | ){\r | |
e75390f0 QS |
1555 | StrCpyS( ItemTemp, \r |
1556 | ((ItemSize+(2*sizeof(CHAR16)))/sizeof(CHAR16)), \r | |
1557 | L"%"\r | |
1558 | );\r | |
1559 | StrCatS( ItemTemp, \r | |
1560 | ((ItemSize+(2*sizeof(CHAR16)))/sizeof(CHAR16)), \r | |
1561 | MasterEnvList\r | |
1562 | );\r | |
1563 | StrCatS( ItemTemp, \r | |
1564 | ((ItemSize+(2*sizeof(CHAR16)))/sizeof(CHAR16)), \r | |
1565 | L"%"\r | |
1566 | );\r | |
a405b86d | 1567 | ShellCopySearchAndReplace(NewCommandLine1, NewCommandLine2, NewSize, ItemTemp, EfiShellGetEnv(MasterEnvList), TRUE, FALSE);\r |
e75390f0 | 1568 | StrCpyS(NewCommandLine1, NewSize/sizeof(CHAR16), NewCommandLine2);\r |
a405b86d | 1569 | }\r |
1570 | if (CurrentScriptFile != NULL) {\r | |
1571 | for (AliasListNode = (ALIAS_LIST*)GetFirstNode(&CurrentScriptFile->SubstList)\r | |
1572 | ; !IsNull(&CurrentScriptFile->SubstList, &AliasListNode->Link)\r | |
1573 | ; AliasListNode = (ALIAS_LIST*)GetNextNode(&CurrentScriptFile->SubstList, &AliasListNode->Link)\r | |
1574 | ){\r | |
1575 | ShellCopySearchAndReplace(NewCommandLine1, NewCommandLine2, NewSize, AliasListNode->Alias, AliasListNode->CommandString, TRUE, FALSE);\r | |
e75390f0 | 1576 | StrCpyS(NewCommandLine1, NewSize/sizeof(CHAR16), NewCommandLine2);\r |
a405b86d | 1577 | }\r |
1578 | }\r | |
1579 | \r | |
fdd52bde | 1580 | //\r |
d08a5464 | 1581 | // Remove non-existent environment variables\r |
fdd52bde JC |
1582 | //\r |
1583 | StripUnreplacedEnvironmentVariables(NewCommandLine1);\r | |
1584 | \r | |
df07baea JC |
1585 | //\r |
1586 | // Now cleanup any straggler intentionally ignored "%" characters\r | |
1587 | //\r | |
1588 | ShellCopySearchAndReplace(NewCommandLine1, NewCommandLine2, NewSize, L"^%", L"%", TRUE, FALSE);\r | |
e75390f0 | 1589 | StrCpyS(NewCommandLine1, NewSize/sizeof(CHAR16), NewCommandLine2);\r |
df07baea | 1590 | \r |
a405b86d | 1591 | FreePool(NewCommandLine2);\r |
1592 | FreePool(ItemTemp);\r | |
1593 | \r | |
1594 | return (NewCommandLine1);\r | |
1595 | }\r | |
1596 | \r | |
1597 | /**\r | |
1598 | Internal function to run a command line with pipe usage.\r | |
1599 | \r | |
1600 | @param[in] CmdLine The pointer to the command line.\r | |
1601 | @param[in] StdIn The pointer to the Standard input.\r | |
1602 | @param[in] StdOut The pointer to the Standard output.\r | |
1603 | \r | |
1604 | @retval EFI_SUCCESS The split command is executed successfully.\r | |
1605 | @retval other Some error occurs when executing the split command.\r | |
1606 | **/\r | |
1607 | EFI_STATUS\r | |
1608 | EFIAPI\r | |
1609 | RunSplitCommand(\r | |
1610 | IN CONST CHAR16 *CmdLine,\r | |
1611 | IN SHELL_FILE_HANDLE *StdIn,\r | |
a308e058 | 1612 | IN SHELL_FILE_HANDLE *StdOut\r |
a405b86d | 1613 | )\r |
1614 | {\r | |
1615 | EFI_STATUS Status;\r | |
1616 | CHAR16 *NextCommandLine;\r | |
1617 | CHAR16 *OurCommandLine;\r | |
1618 | UINTN Size1;\r | |
1619 | UINTN Size2;\r | |
1620 | SPLIT_LIST *Split;\r | |
1621 | SHELL_FILE_HANDLE *TempFileHandle;\r | |
1622 | BOOLEAN Unicode;\r | |
1623 | \r | |
1624 | ASSERT(StdOut == NULL);\r | |
1625 | \r | |
1626 | ASSERT(StrStr(CmdLine, L"|") != NULL);\r | |
1627 | \r | |
1628 | Status = EFI_SUCCESS;\r | |
1629 | NextCommandLine = NULL;\r | |
1630 | OurCommandLine = NULL;\r | |
1631 | Size1 = 0;\r | |
1632 | Size2 = 0;\r | |
1633 | \r | |
1634 | NextCommandLine = StrnCatGrow(&NextCommandLine, &Size1, StrStr(CmdLine, L"|")+1, 0);\r | |
1635 | OurCommandLine = StrnCatGrow(&OurCommandLine , &Size2, CmdLine , StrStr(CmdLine, L"|") - CmdLine);\r | |
532691c8 | 1636 | \r |
1637 | if (NextCommandLine == NULL || OurCommandLine == NULL) {\r | |
1638 | SHELL_FREE_NON_NULL(OurCommandLine);\r | |
1639 | SHELL_FREE_NON_NULL(NextCommandLine);\r | |
1640 | return (EFI_OUT_OF_RESOURCES);\r | |
19216573 | 1641 | } else if (StrStr(OurCommandLine, L"|") != NULL || Size1 == 0 || Size2 == 0) {\r |
1642 | SHELL_FREE_NON_NULL(OurCommandLine);\r | |
1643 | SHELL_FREE_NON_NULL(NextCommandLine);\r | |
1644 | return (EFI_INVALID_PARAMETER);\r | |
a5382ce0 QS |
1645 | } else if (NextCommandLine[0] == L'a' &&\r |
1646 | (NextCommandLine[1] == L' ' || NextCommandLine[1] == CHAR_NULL)\r | |
1647 | ){\r | |
a405b86d | 1648 | CopyMem(NextCommandLine, NextCommandLine+1, StrSize(NextCommandLine) - sizeof(NextCommandLine[0]));\r |
a5382ce0 QS |
1649 | while (NextCommandLine[0] == L' ') {\r |
1650 | CopyMem(NextCommandLine, NextCommandLine+1, StrSize(NextCommandLine) - sizeof(NextCommandLine[0]));\r | |
1651 | }\r | |
1652 | if (NextCommandLine[0] == CHAR_NULL) {\r | |
1653 | SHELL_FREE_NON_NULL(OurCommandLine);\r | |
1654 | SHELL_FREE_NON_NULL(NextCommandLine);\r | |
1655 | return (EFI_INVALID_PARAMETER);\r | |
1656 | }\r | |
a405b86d | 1657 | Unicode = FALSE;\r |
1658 | } else {\r | |
1659 | Unicode = TRUE;\r | |
1660 | }\r | |
1661 | \r | |
1662 | \r | |
1663 | //\r | |
1664 | // make a SPLIT_LIST item and add to list\r | |
1665 | //\r | |
1666 | Split = AllocateZeroPool(sizeof(SPLIT_LIST));\r | |
1667 | ASSERT(Split != NULL);\r | |
1668 | Split->SplitStdIn = StdIn;\r | |
1669 | Split->SplitStdOut = ConvertEfiFileProtocolToShellHandle(CreateFileInterfaceMem(Unicode), NULL);\r | |
1670 | ASSERT(Split->SplitStdOut != NULL);\r | |
1671 | InsertHeadList(&ShellInfoObject.SplitList.Link, &Split->Link);\r | |
1672 | \r | |
a308e058 | 1673 | Status = RunCommand(OurCommandLine);\r |
a405b86d | 1674 | \r |
1675 | //\r | |
1676 | // move the output from the first to the in to the second.\r | |
1677 | //\r | |
1678 | TempFileHandle = Split->SplitStdOut;\r | |
1679 | if (Split->SplitStdIn == StdIn) {\r | |
1680 | Split->SplitStdOut = NULL;\r | |
1681 | } else {\r | |
1682 | Split->SplitStdOut = Split->SplitStdIn;\r | |
1683 | }\r | |
1684 | Split->SplitStdIn = TempFileHandle;\r | |
1685 | ShellInfoObject.NewEfiShellProtocol->SetFilePosition(ConvertShellHandleToEfiFileProtocol(Split->SplitStdIn), 0);\r | |
1686 | \r | |
1687 | if (!EFI_ERROR(Status)) {\r | |
a308e058 | 1688 | Status = RunCommand(NextCommandLine);\r |
a405b86d | 1689 | }\r |
1690 | \r | |
1691 | //\r | |
1692 | // remove the top level from the ScriptList\r | |
1693 | //\r | |
1694 | ASSERT((SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link) == Split);\r | |
1695 | RemoveEntryList(&Split->Link);\r | |
1696 | \r | |
1697 | //\r | |
1698 | // Note that the original StdIn is now the StdOut...\r | |
1699 | //\r | |
1700 | if (Split->SplitStdOut != NULL && Split->SplitStdOut != StdIn) {\r | |
1701 | ShellInfoObject.NewEfiShellProtocol->CloseFile(ConvertShellHandleToEfiFileProtocol(Split->SplitStdOut));\r | |
1702 | }\r | |
1703 | if (Split->SplitStdIn != NULL) {\r | |
1704 | ShellInfoObject.NewEfiShellProtocol->CloseFile(ConvertShellHandleToEfiFileProtocol(Split->SplitStdIn));\r | |
1705 | }\r | |
1706 | \r | |
1707 | FreePool(Split);\r | |
1708 | FreePool(NextCommandLine);\r | |
1709 | FreePool(OurCommandLine);\r | |
1710 | \r | |
1711 | return (Status);\r | |
1712 | }\r | |
1713 | \r | |
1ef61d03 JC |
1714 | /**\r |
1715 | Take the original command line, substitute any variables, free \r | |
51429264 | 1716 | the original string, return the modified copy.\r |
1ef61d03 | 1717 | \r |
51429264 | 1718 | @param[in] CmdLine pointer to the command line to update.\r |
1ef61d03 | 1719 | \r |
51429264 SQ |
1720 | @retval EFI_SUCCESS the function was successful.\r |
1721 | @retval EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
1ef61d03 JC |
1722 | **/\r |
1723 | EFI_STATUS\r | |
1724 | EFIAPI\r | |
1725 | ShellSubstituteVariables(\r | |
1726 | IN CHAR16 **CmdLine\r | |
1727 | )\r | |
1728 | {\r | |
1729 | CHAR16 *NewCmdLine;\r | |
1730 | NewCmdLine = ShellConvertVariables(*CmdLine);\r | |
1731 | SHELL_FREE_NON_NULL(*CmdLine);\r | |
1732 | if (NewCmdLine == NULL) {\r | |
1733 | return (EFI_OUT_OF_RESOURCES);\r | |
1734 | }\r | |
1735 | *CmdLine = NewCmdLine;\r | |
1736 | return (EFI_SUCCESS);\r | |
1737 | }\r | |
1738 | \r | |
ca53c0af JC |
1739 | /**\r |
1740 | Take the original command line, substitute any alias in the first group of space delimited characters, free \r | |
51429264 | 1741 | the original string, return the modified copy.\r |
ca53c0af | 1742 | \r |
51429264 | 1743 | @param[in] CmdLine pointer to the command line to update.\r |
ca53c0af | 1744 | \r |
51429264 SQ |
1745 | @retval EFI_SUCCESS the function was successful.\r |
1746 | @retval EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
ca53c0af JC |
1747 | **/\r |
1748 | EFI_STATUS\r | |
1749 | EFIAPI\r | |
1750 | ShellSubstituteAliases(\r | |
1751 | IN CHAR16 **CmdLine\r | |
1752 | )\r | |
1753 | {\r | |
1754 | CHAR16 *NewCmdLine;\r | |
1755 | CHAR16 *CommandName;\r | |
1756 | EFI_STATUS Status;\r | |
1757 | UINTN PostAliasSize;\r | |
1758 | ASSERT(CmdLine != NULL);\r | |
1759 | ASSERT(*CmdLine!= NULL);\r | |
1760 | \r | |
1761 | \r | |
1762 | CommandName = NULL;\r | |
1763 | if (StrStr((*CmdLine), L" ") == NULL){\r | |
1764 | StrnCatGrow(&CommandName, NULL, (*CmdLine), 0);\r | |
1765 | } else {\r | |
1766 | StrnCatGrow(&CommandName, NULL, (*CmdLine), StrStr((*CmdLine), L" ") - (*CmdLine));\r | |
1767 | }\r | |
1768 | \r | |
1769 | //\r | |
1770 | // This cannot happen 'inline' since the CmdLine can need extra space.\r | |
1771 | //\r | |
1772 | NewCmdLine = NULL;\r | |
1773 | if (!ShellCommandIsCommandOnList(CommandName)) {\r | |
1774 | //\r | |
1775 | // Convert via alias\r | |
1776 | //\r | |
1777 | Status = ShellConvertAlias(&CommandName);\r | |
1778 | if (EFI_ERROR(Status)){\r | |
1779 | return (Status);\r | |
1780 | }\r | |
1781 | PostAliasSize = 0;\r | |
1782 | NewCmdLine = StrnCatGrow(&NewCmdLine, &PostAliasSize, CommandName, 0);\r | |
1783 | if (NewCmdLine == NULL) {\r | |
1784 | SHELL_FREE_NON_NULL(CommandName);\r | |
1785 | SHELL_FREE_NON_NULL(*CmdLine);\r | |
1786 | return (EFI_OUT_OF_RESOURCES);\r | |
1787 | }\r | |
1788 | NewCmdLine = StrnCatGrow(&NewCmdLine, &PostAliasSize, StrStr((*CmdLine), L" "), 0);\r | |
1789 | if (NewCmdLine == NULL) {\r | |
1790 | SHELL_FREE_NON_NULL(CommandName);\r | |
1791 | SHELL_FREE_NON_NULL(*CmdLine);\r | |
1792 | return (EFI_OUT_OF_RESOURCES);\r | |
1793 | }\r | |
1794 | } else {\r | |
1795 | NewCmdLine = StrnCatGrow(&NewCmdLine, NULL, (*CmdLine), 0);\r | |
1796 | }\r | |
1797 | \r | |
1798 | SHELL_FREE_NON_NULL(*CmdLine);\r | |
1799 | SHELL_FREE_NON_NULL(CommandName);\r | |
1800 | \r | |
1801 | //\r | |
1802 | // re-assign the passed in double pointer to point to our newly allocated buffer\r | |
1803 | //\r | |
1804 | *CmdLine = NewCmdLine;\r | |
1805 | \r | |
1806 | return (EFI_SUCCESS);\r | |
1807 | }\r | |
1808 | \r | |
6ba2921d JC |
1809 | /**\r |
1810 | Takes the Argv[0] part of the command line and determine the meaning of it.\r | |
e7831c90 | 1811 | \r |
51429264 | 1812 | @param[in] CmdName pointer to the command line to update.\r |
e7831c90 | 1813 | \r |
51429264 SQ |
1814 | @retval Internal_Command The name is an internal command.\r |
1815 | @retval File_Sys_Change the name is a file system change.\r | |
1816 | @retval Script_File_Name the name is a NSH script file.\r | |
1817 | @retval Unknown_Invalid the name is unknown.\r | |
1818 | @retval Efi_Application the name is an application (.EFI).\r | |
6ba2921d JC |
1819 | **/\r |
1820 | SHELL_OPERATION_TYPES\r | |
1821 | EFIAPI\r | |
1822 | GetOperationType(\r | |
1823 | IN CONST CHAR16 *CmdName\r | |
1824 | )\r | |
1825 | {\r | |
1826 | CHAR16* FileWithPath;\r | |
1827 | CONST CHAR16* TempLocation;\r | |
1828 | CONST CHAR16* TempLocation2;\r | |
1829 | \r | |
1830 | FileWithPath = NULL;\r | |
1831 | //\r | |
1832 | // test for an internal command.\r | |
1833 | //\r | |
1834 | if (ShellCommandIsCommandOnList(CmdName)) {\r | |
51429264 | 1835 | return (Internal_Command);\r |
6ba2921d JC |
1836 | }\r |
1837 | \r | |
1838 | //\r | |
fc4c7b30 | 1839 | // Test for file system change request. anything ending with first : and cant have spaces.\r |
6ba2921d JC |
1840 | //\r |
1841 | if (CmdName[(StrLen(CmdName)-1)] == L':') {\r | |
fc4c7b30 JC |
1842 | if ( StrStr(CmdName, L" ") != NULL \r |
1843 | || StrLen(StrStr(CmdName, L":")) > 1\r | |
1844 | ) {\r | |
51429264 | 1845 | return (Unknown_Invalid);\r |
6ba2921d | 1846 | }\r |
51429264 | 1847 | return (File_Sys_Change);\r |
6ba2921d JC |
1848 | }\r |
1849 | \r | |
1850 | //\r | |
1851 | // Test for a file\r | |
1852 | //\r | |
1853 | if ((FileWithPath = ShellFindFilePathEx(CmdName, mExecutableExtensions)) != NULL) {\r | |
1854 | //\r | |
1855 | // See if that file has a script file extension\r | |
1856 | //\r | |
1857 | if (StrLen(FileWithPath) > 4) {\r | |
1858 | TempLocation = FileWithPath+StrLen(FileWithPath)-4;\r | |
1859 | TempLocation2 = mScriptExtension;\r | |
1860 | if (StringNoCaseCompare((VOID*)(&TempLocation), (VOID*)(&TempLocation2)) == 0) {\r | |
1861 | SHELL_FREE_NON_NULL(FileWithPath);\r | |
51429264 | 1862 | return (Script_File_Name);\r |
6ba2921d JC |
1863 | }\r |
1864 | }\r | |
1865 | \r | |
1866 | //\r | |
1867 | // Was a file, but not a script. we treat this as an application.\r | |
1868 | //\r | |
1869 | SHELL_FREE_NON_NULL(FileWithPath);\r | |
51429264 | 1870 | return (Efi_Application);\r |
6ba2921d JC |
1871 | }\r |
1872 | \r | |
1873 | SHELL_FREE_NON_NULL(FileWithPath);\r | |
1874 | //\r | |
1875 | // No clue what this is... return invalid flag...\r | |
1876 | //\r | |
51429264 | 1877 | return (Unknown_Invalid);\r |
6ba2921d JC |
1878 | }\r |
1879 | \r | |
de4ebdcf SQ |
1880 | /**\r |
1881 | Determine if the first item in a command line is valid.\r | |
1882 | \r | |
1883 | @param[in] CmdLine The command line to parse.\r | |
1884 | \r | |
1885 | @retval EFI_SUCCESS The item is valid.\r | |
1886 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1887 | @retval EFI_NOT_FOUND The operation type is unknown or invalid.\r | |
1888 | **/\r | |
6bd64463 JC |
1889 | EFI_STATUS \r |
1890 | EFIAPI\r | |
1891 | IsValidSplit(\r | |
1892 | IN CONST CHAR16 *CmdLine\r | |
1893 | )\r | |
1894 | {\r | |
1895 | CHAR16 *Temp;\r | |
1896 | CHAR16 *FirstParameter;\r | |
1897 | CHAR16 *TempWalker;\r | |
1898 | EFI_STATUS Status;\r | |
1899 | \r | |
1900 | Temp = NULL;\r | |
1901 | \r | |
1902 | Temp = StrnCatGrow(&Temp, NULL, CmdLine, 0);\r | |
1903 | if (Temp == NULL) {\r | |
1904 | return (EFI_OUT_OF_RESOURCES);\r | |
1905 | }\r | |
1906 | \r | |
1907 | FirstParameter = StrStr(Temp, L"|");\r | |
1908 | if (FirstParameter != NULL) {\r | |
1909 | *FirstParameter = CHAR_NULL;\r | |
1910 | }\r | |
1911 | \r | |
1912 | FirstParameter = NULL;\r | |
1913 | \r | |
1914 | //\r | |
1915 | // Process the command line\r | |
1916 | //\r | |
1917 | Status = ProcessCommandLineToFinal(&Temp);\r | |
1918 | \r | |
1919 | if (!EFI_ERROR(Status)) {\r | |
1920 | FirstParameter = AllocateZeroPool(StrSize(CmdLine));\r | |
1921 | if (FirstParameter == NULL) {\r | |
1922 | SHELL_FREE_NON_NULL(Temp);\r | |
1923 | return (EFI_OUT_OF_RESOURCES);\r | |
1924 | }\r | |
1925 | TempWalker = (CHAR16*)Temp;\r | |
d1c275c6 | 1926 | if (!EFI_ERROR(GetNextParameter(&TempWalker, &FirstParameter, StrSize(CmdLine), TRUE))) {\r |
14030c5c JC |
1927 | if (GetOperationType(FirstParameter) == Unknown_Invalid) {\r |
1928 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, FirstParameter);\r | |
1929 | SetLastError(SHELL_NOT_FOUND);\r | |
1930 | Status = EFI_NOT_FOUND;\r | |
1931 | }\r | |
6bd64463 JC |
1932 | }\r |
1933 | }\r | |
1934 | \r | |
1935 | SHELL_FREE_NON_NULL(Temp);\r | |
1936 | SHELL_FREE_NON_NULL(FirstParameter);\r | |
1937 | return Status;\r | |
1938 | }\r | |
1939 | \r | |
1940 | /**\r | |
51429264 | 1941 | Determine if a command line contains with a split contains only valid commands.\r |
6bd64463 JC |
1942 | \r |
1943 | @param[in] CmdLine The command line to parse.\r | |
1944 | \r | |
1945 | @retval EFI_SUCCESS CmdLine has only valid commands, application, or has no split.\r | |
1946 | @retval EFI_ABORTED CmdLine has at least one invalid command or application.\r | |
1947 | **/\r | |
1948 | EFI_STATUS\r | |
1949 | EFIAPI\r | |
1950 | VerifySplit(\r | |
1951 | IN CONST CHAR16 *CmdLine\r | |
1952 | )\r | |
1953 | {\r | |
1954 | CONST CHAR16 *TempSpot;\r | |
1955 | EFI_STATUS Status;\r | |
1956 | \r | |
1957 | //\r | |
a5382ce0 | 1958 | // If this was the only item, then get out\r |
6bd64463 | 1959 | //\r |
a5382ce0 QS |
1960 | if (!ContainsSplit(CmdLine)) {\r |
1961 | return (EFI_SUCCESS);\r | |
6bd64463 JC |
1962 | }\r |
1963 | \r | |
1964 | //\r | |
a5382ce0 | 1965 | // Verify up to the pipe or end character\r |
6bd64463 | 1966 | //\r |
a5382ce0 QS |
1967 | Status = IsValidSplit(CmdLine);\r |
1968 | if (EFI_ERROR(Status)) {\r | |
1969 | return (Status);\r | |
6bd64463 JC |
1970 | }\r |
1971 | \r | |
1972 | //\r | |
1973 | // recurse to verify the next item\r | |
1974 | //\r | |
00534bc3 | 1975 | TempSpot = FindFirstCharacter(CmdLine, L"|", L'^') + 1;\r |
a5382ce0 QS |
1976 | if (*TempSpot == L'a' && \r |
1977 | (*(TempSpot + 1) == L' ' || *(TempSpot + 1) == CHAR_NULL)\r | |
1978 | ) {\r | |
1979 | // If it's an ASCII pipe '|a'\r | |
1980 | TempSpot += 1;\r | |
1981 | }\r | |
1982 | \r | |
6bd64463 JC |
1983 | return (VerifySplit(TempSpot));\r |
1984 | }\r | |
1985 | \r | |
680db511 | 1986 | /**\r |
e7831c90 JC |
1987 | Process a split based operation.\r |
1988 | \r | |
a308e058 | 1989 | @param[in] CmdLine pointer to the command line to process\r |
e7831c90 JC |
1990 | \r |
1991 | @retval EFI_SUCCESS The operation was successful\r | |
d08a5464 | 1992 | @return an error occurred.\r |
680db511 JC |
1993 | **/\r |
1994 | EFI_STATUS\r | |
1995 | EFIAPI\r | |
1996 | ProcessNewSplitCommandLine(\r | |
a308e058 | 1997 | IN CONST CHAR16 *CmdLine\r |
680db511 JC |
1998 | )\r |
1999 | {\r | |
2000 | SPLIT_LIST *Split;\r | |
2001 | EFI_STATUS Status;\r | |
2002 | \r | |
6bd64463 JC |
2003 | Status = VerifySplit(CmdLine);\r |
2004 | if (EFI_ERROR(Status)) {\r | |
2005 | return (Status);\r | |
2006 | }\r | |
2007 | \r | |
680db511 JC |
2008 | Split = NULL;\r |
2009 | \r | |
2010 | //\r | |
2011 | // are we in an existing split???\r | |
2012 | //\r | |
2013 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r | |
2014 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
2015 | }\r | |
2016 | \r | |
2017 | if (Split == NULL) {\r | |
a308e058 | 2018 | Status = RunSplitCommand(CmdLine, NULL, NULL);\r |
680db511 | 2019 | } else {\r |
a308e058 | 2020 | Status = RunSplitCommand(CmdLine, Split->SplitStdIn, Split->SplitStdOut);\r |
680db511 JC |
2021 | }\r |
2022 | if (EFI_ERROR(Status)) {\r | |
2023 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_SPLIT), ShellInfoObject.HiiHandle, CmdLine);\r | |
2024 | }\r | |
2025 | return (Status);\r | |
2026 | }\r | |
daf70584 JC |
2027 | \r |
2028 | /**\r | |
51429264 | 2029 | Handle a request to change the current file system.\r |
daf70584 | 2030 | \r |
51429264 | 2031 | @param[in] CmdLine The passed in command line.\r |
daf70584 | 2032 | \r |
51429264 | 2033 | @retval EFI_SUCCESS The operation was successful.\r |
daf70584 JC |
2034 | **/\r |
2035 | EFI_STATUS\r | |
2036 | EFIAPI\r | |
2037 | ChangeMappedDrive(\r | |
2038 | IN CONST CHAR16 *CmdLine\r | |
2039 | )\r | |
2040 | {\r | |
2041 | EFI_STATUS Status;\r | |
2042 | Status = EFI_SUCCESS;\r | |
2043 | \r | |
2044 | //\r | |
2045 | // make sure we are the right operation\r | |
2046 | //\r | |
2047 | ASSERT(CmdLine[(StrLen(CmdLine)-1)] == L':' && StrStr(CmdLine, L" ") == NULL);\r | |
2048 | \r | |
2049 | //\r | |
2050 | // Call the protocol API to do the work\r | |
2051 | //\r | |
2052 | Status = ShellInfoObject.NewEfiShellProtocol->SetCurDir(NULL, CmdLine);\r | |
2053 | \r | |
2054 | //\r | |
2055 | // Report any errors\r | |
2056 | //\r | |
2057 | if (EFI_ERROR(Status)) {\r | |
2058 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_MAPPING), ShellInfoObject.HiiHandle, CmdLine);\r | |
2059 | }\r | |
2060 | \r | |
2061 | return (Status);\r | |
2062 | }\r | |
2063 | \r | |
5a5eb806 JC |
2064 | /**\r |
2065 | Reprocess the command line to direct all -? to the help command.\r | |
2066 | \r | |
2067 | if found, will add "help" as argv[0], and move the rest later.\r | |
2068 | \r | |
806c49db | 2069 | @param[in,out] CmdLine pointer to the command line to update\r |
5a5eb806 JC |
2070 | **/\r |
2071 | EFI_STATUS\r | |
2072 | EFIAPI\r | |
806c49db JC |
2073 | DoHelpUpdate(\r |
2074 | IN OUT CHAR16 **CmdLine\r | |
5a5eb806 JC |
2075 | )\r |
2076 | {\r | |
806c49db JC |
2077 | CHAR16 *CurrentParameter;\r |
2078 | CHAR16 *Walker;\r | |
806c49db JC |
2079 | CHAR16 *NewCommandLine;\r |
2080 | EFI_STATUS Status;\r | |
e75390f0 | 2081 | UINTN NewCmdLineSize;\r |
806c49db JC |
2082 | \r |
2083 | Status = EFI_SUCCESS;\r | |
2084 | \r | |
2085 | CurrentParameter = AllocateZeroPool(StrSize(*CmdLine));\r | |
2086 | if (CurrentParameter == NULL) {\r | |
2087 | return (EFI_OUT_OF_RESOURCES);\r | |
2088 | }\r | |
2089 | \r | |
2090 | Walker = *CmdLine;\r | |
2091 | while(Walker != NULL && *Walker != CHAR_NULL) {\r | |
d1c275c6 | 2092 | if (!EFI_ERROR(GetNextParameter(&Walker, &CurrentParameter, StrSize(*CmdLine), TRUE))) {\r |
14030c5c | 2093 | if (StrStr(CurrentParameter, L"-?") == CurrentParameter) {\r |
a8f98806 JC |
2094 | CurrentParameter[0] = L' ';\r |
2095 | CurrentParameter[1] = L' ';\r | |
e75390f0 QS |
2096 | NewCmdLineSize = StrSize(L"help ") + StrSize(*CmdLine);\r |
2097 | NewCommandLine = AllocateZeroPool(NewCmdLineSize);\r | |
14030c5c JC |
2098 | if (NewCommandLine == NULL) {\r |
2099 | Status = EFI_OUT_OF_RESOURCES;\r | |
2100 | break;\r | |
2101 | }\r | |
2102 | \r | |
2103 | //\r | |
2104 | // We know the space is sufficient since we just calculated it.\r | |
2105 | //\r | |
e75390f0 QS |
2106 | StrnCpyS(NewCommandLine, NewCmdLineSize/sizeof(CHAR16), L"help ", 5);\r |
2107 | StrnCatS(NewCommandLine, NewCmdLineSize/sizeof(CHAR16), *CmdLine, StrLen(*CmdLine));\r | |
14030c5c JC |
2108 | SHELL_FREE_NON_NULL(*CmdLine);\r |
2109 | *CmdLine = NewCommandLine;\r | |
806c49db JC |
2110 | break;\r |
2111 | }\r | |
806c49db JC |
2112 | }\r |
2113 | }\r | |
2114 | \r | |
2115 | SHELL_FREE_NON_NULL(CurrentParameter);\r | |
2116 | \r | |
2117 | return (Status);\r | |
2118 | }\r | |
2119 | \r | |
2120 | /**\r | |
51429264 | 2121 | Function to update the shell variable "lasterror".\r |
806c49db | 2122 | \r |
51429264 | 2123 | @param[in] ErrorCode the error code to put into lasterror.\r |
806c49db JC |
2124 | **/\r |
2125 | EFI_STATUS\r | |
2126 | EFIAPI\r | |
2127 | SetLastError(\r | |
6bd64463 | 2128 | IN CONST SHELL_STATUS ErrorCode\r |
806c49db JC |
2129 | )\r |
2130 | {\r | |
2131 | CHAR16 LeString[19];\r | |
2132 | if (sizeof(EFI_STATUS) == sizeof(UINT64)) {\r | |
2133 | UnicodeSPrint(LeString, sizeof(LeString), L"0x%Lx", ErrorCode);\r | |
2134 | } else {\r | |
2135 | UnicodeSPrint(LeString, sizeof(LeString), L"0x%x", ErrorCode);\r | |
2136 | }\r | |
2137 | DEBUG_CODE(InternalEfiShellSetEnv(L"debuglasterror", LeString, TRUE););\r | |
2138 | InternalEfiShellSetEnv(L"lasterror", LeString, TRUE);\r | |
2139 | \r | |
2140 | return (EFI_SUCCESS);\r | |
2141 | }\r | |
2142 | \r | |
2143 | /**\r | |
2144 | Converts the command line to it's post-processed form. this replaces variables and alias' per UEFI Shell spec.\r | |
2145 | \r | |
2146 | @param[in,out] CmdLine pointer to the command line to update\r | |
2147 | \r | |
2148 | @retval EFI_SUCCESS The operation was successful\r | |
2149 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
d08a5464 | 2150 | @return some other error occurred\r |
806c49db JC |
2151 | **/\r |
2152 | EFI_STATUS\r | |
2153 | EFIAPI\r | |
12a27a6d | 2154 | ProcessCommandLineToFinal(\r |
806c49db JC |
2155 | IN OUT CHAR16 **CmdLine\r |
2156 | )\r | |
2157 | {\r | |
2158 | EFI_STATUS Status;\r | |
2159 | TrimSpaces(CmdLine);\r | |
2160 | \r | |
2161 | Status = ShellSubstituteAliases(CmdLine);\r | |
2162 | if (EFI_ERROR(Status)) {\r | |
2163 | return (Status);\r | |
2164 | }\r | |
2165 | \r | |
2166 | TrimSpaces(CmdLine);\r | |
2167 | \r | |
2168 | Status = ShellSubstituteVariables(CmdLine);\r | |
2169 | if (EFI_ERROR(Status)) {\r | |
2170 | return (Status);\r | |
2171 | }\r | |
81cd2f53 | 2172 | ASSERT (*CmdLine != NULL);\r |
806c49db JC |
2173 | \r |
2174 | TrimSpaces(CmdLine);\r | |
2175 | \r | |
2176 | //\r | |
2177 | // update for help parsing\r | |
2178 | //\r | |
2179 | if (StrStr(*CmdLine, L"?") != NULL) {\r | |
2180 | //\r | |
2181 | // This may do nothing if the ? does not indicate help.\r | |
2182 | // Save all the details for in the API below.\r | |
2183 | //\r | |
2184 | Status = DoHelpUpdate(CmdLine);\r | |
2185 | }\r | |
2186 | \r | |
2187 | TrimSpaces(CmdLine);\r | |
2188 | \r | |
2189 | return (EFI_SUCCESS);\r | |
2190 | }\r | |
2191 | \r | |
2192 | /**\r | |
2193 | Run an internal shell command.\r | |
2194 | \r | |
d08a5464 | 2195 | This API will update the shell's environment since these commands are libraries.\r |
806c49db JC |
2196 | \r |
2197 | @param[in] CmdLine the command line to run.\r | |
2198 | @param[in] FirstParameter the first parameter on the command line\r | |
2199 | @param[in] ParamProtocol the shell parameters protocol pointer\r | |
490ce43d | 2200 | @param[out] CommandStatus the status from the command line.\r |
806c49db JC |
2201 | \r |
2202 | @retval EFI_SUCCESS The command was completed.\r | |
2203 | @retval EFI_ABORTED The command's operation was aborted.\r | |
2204 | **/\r | |
2205 | EFI_STATUS\r | |
2206 | EFIAPI\r | |
2207 | RunInternalCommand(\r | |
2208 | IN CONST CHAR16 *CmdLine,\r | |
2209 | IN CHAR16 *FirstParameter,\r | |
490ce43d QS |
2210 | IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,\r |
2211 | OUT EFI_STATUS *CommandStatus\r | |
806c49db JC |
2212 | )\r |
2213 | {\r | |
2214 | EFI_STATUS Status;\r | |
2215 | UINTN Argc;\r | |
2216 | CHAR16 **Argv;\r | |
2217 | SHELL_STATUS CommandReturnedStatus;\r | |
2218 | BOOLEAN LastError;\r | |
4b6b543e QS |
2219 | CHAR16 *Walker;\r |
2220 | CHAR16 *NewCmdLine; \r | |
2221 | \r | |
2222 | NewCmdLine = AllocateCopyPool (StrSize (CmdLine), CmdLine);\r | |
2223 | if (NewCmdLine == NULL) {\r | |
2224 | return EFI_OUT_OF_RESOURCES;\r | |
2225 | }\r | |
2226 | \r | |
2227 | for (Walker = NewCmdLine; Walker != NULL && *Walker != CHAR_NULL ; Walker++) {\r | |
2228 | if (*Walker == L'^' && *(Walker+1) == L'#') {\r | |
2229 | CopyMem(Walker, Walker+1, StrSize(Walker) - sizeof(Walker[0]));\r | |
2230 | }\r | |
2231 | }\r | |
806c49db | 2232 | \r |
5a5eb806 | 2233 | //\r |
806c49db | 2234 | // get the argc and argv updated for internal commands\r |
5a5eb806 | 2235 | //\r |
d1c275c6 | 2236 | Status = UpdateArgcArgv(ParamProtocol, NewCmdLine, Internal_Command, &Argv, &Argc);\r |
806c49db | 2237 | if (!EFI_ERROR(Status)) {\r |
5a5eb806 | 2238 | //\r |
806c49db | 2239 | // Run the internal command.\r |
5a5eb806 | 2240 | //\r |
806c49db JC |
2241 | Status = ShellCommandRunCommandHandler(FirstParameter, &CommandReturnedStatus, &LastError);\r |
2242 | \r | |
2243 | if (!EFI_ERROR(Status)) {\r | |
490ce43d QS |
2244 | if (CommandStatus != NULL) {\r |
2245 | if (CommandReturnedStatus != SHELL_SUCCESS) {\r | |
2246 | *CommandStatus = (EFI_STATUS)(CommandReturnedStatus | MAX_BIT);\r | |
2247 | } else {\r | |
2248 | *CommandStatus = EFI_SUCCESS;\r | |
2249 | }\r | |
2250 | }\r | |
2251 | \r | |
5a5eb806 | 2252 | //\r |
806c49db JC |
2253 | // Update last error status.\r |
2254 | // some commands do not update last error.\r | |
5a5eb806 | 2255 | //\r |
806c49db JC |
2256 | if (LastError) {\r |
2257 | SetLastError(CommandReturnedStatus);\r | |
5a5eb806 | 2258 | }\r |
806c49db JC |
2259 | \r |
2260 | //\r | |
2261 | // Pass thru the exitcode from the app.\r | |
2262 | //\r | |
2263 | if (ShellCommandGetExit()) {\r | |
e3eb7d82 JC |
2264 | //\r |
2265 | // An Exit was requested ("exit" command), pass its value up.\r | |
2266 | //\r | |
806c49db | 2267 | Status = CommandReturnedStatus;\r |
e3eb7d82 JC |
2268 | } else if (CommandReturnedStatus != SHELL_SUCCESS && IsScriptOnlyCommand(FirstParameter)) {\r |
2269 | //\r | |
2270 | // Always abort when a script only command fails for any reason\r | |
2271 | //\r | |
2272 | Status = EFI_ABORTED;\r | |
2273 | } else if (ShellCommandGetCurrentScriptFile() != NULL && CommandReturnedStatus == SHELL_ABORTED) {\r | |
2274 | //\r | |
2275 | // Abort when in a script and a command aborted\r | |
2276 | //\r | |
806c49db | 2277 | Status = EFI_ABORTED;\r |
5a5eb806 | 2278 | }\r |
806c49db JC |
2279 | }\r |
2280 | }\r | |
2281 | \r | |
2282 | //\r | |
d08a5464 | 2283 | // This is guaranteed to be called after UpdateArgcArgv no matter what else happened.\r |
806c49db JC |
2284 | // This is safe even if the update API failed. In this case, it may be a no-op.\r |
2285 | //\r | |
2286 | RestoreArgcArgv(ParamProtocol, &Argv, &Argc);\r | |
2287 | \r | |
e3eb7d82 | 2288 | //\r |
d08a5464 | 2289 | // If a script is running and the command is not a script only command, then\r |
e3eb7d82 JC |
2290 | // change return value to success so the script won't halt (unless aborted).\r |
2291 | //\r | |
2292 | // Script only commands have to be able halt the script since the script will\r | |
2293 | // not operate if they are failing.\r | |
2294 | //\r | |
2295 | if ( ShellCommandGetCurrentScriptFile() != NULL\r | |
2296 | && !IsScriptOnlyCommand(FirstParameter)\r | |
2297 | && Status != EFI_ABORTED\r | |
2298 | ) {\r | |
806c49db JC |
2299 | Status = EFI_SUCCESS;\r |
2300 | }\r | |
2301 | \r | |
4b6b543e | 2302 | FreePool (NewCmdLine);\r |
806c49db JC |
2303 | return (Status);\r |
2304 | }\r | |
2305 | \r | |
2306 | /**\r | |
2307 | Function to run the command or file.\r | |
2308 | \r | |
2309 | @param[in] Type the type of operation being run.\r | |
2310 | @param[in] CmdLine the command line to run.\r | |
2311 | @param[in] FirstParameter the first parameter on the command line\r | |
2312 | @param[in] ParamProtocol the shell parameters protocol pointer\r | |
490ce43d | 2313 | @param[out] CommandStatus the status from the command line.\r |
806c49db JC |
2314 | \r |
2315 | @retval EFI_SUCCESS The command was completed.\r | |
2316 | @retval EFI_ABORTED The command's operation was aborted.\r | |
2317 | **/\r | |
2318 | EFI_STATUS\r | |
2319 | EFIAPI\r | |
2320 | RunCommandOrFile(\r | |
2321 | IN SHELL_OPERATION_TYPES Type,\r | |
2322 | IN CONST CHAR16 *CmdLine,\r | |
2323 | IN CHAR16 *FirstParameter,\r | |
490ce43d QS |
2324 | IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,\r |
2325 | OUT EFI_STATUS *CommandStatus\r | |
806c49db JC |
2326 | )\r |
2327 | {\r | |
2328 | EFI_STATUS Status;\r | |
cd39fe08 | 2329 | EFI_STATUS StartStatus;\r |
806c49db JC |
2330 | CHAR16 *CommandWithPath;\r |
2331 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
5223c121 | 2332 | SHELL_STATUS CalleeExitStatus;\r |
806c49db JC |
2333 | \r |
2334 | Status = EFI_SUCCESS;\r | |
2335 | CommandWithPath = NULL;\r | |
2336 | DevPath = NULL;\r | |
71c49eaf | 2337 | CalleeExitStatus = SHELL_INVALID_PARAMETER;\r |
806c49db JC |
2338 | \r |
2339 | switch (Type) {\r | |
51429264 | 2340 | case Internal_Command:\r |
490ce43d | 2341 | Status = RunInternalCommand(CmdLine, FirstParameter, ParamProtocol, CommandStatus);\r |
806c49db | 2342 | break;\r |
51429264 SQ |
2343 | case Script_File_Name:\r |
2344 | case Efi_Application:\r | |
806c49db JC |
2345 | //\r |
2346 | // Process a fully qualified path\r | |
2347 | //\r | |
2348 | if (StrStr(FirstParameter, L":") != NULL) {\r | |
2349 | ASSERT (CommandWithPath == NULL);\r | |
2350 | if (ShellIsFile(FirstParameter) == EFI_SUCCESS) {\r | |
2351 | CommandWithPath = StrnCatGrow(&CommandWithPath, NULL, FirstParameter, 0);\r | |
2352 | }\r | |
2353 | }\r | |
2354 | \r | |
2355 | //\r | |
2356 | // Process a relative path and also check in the path environment variable\r | |
2357 | //\r | |
2358 | if (CommandWithPath == NULL) {\r | |
2359 | CommandWithPath = ShellFindFilePathEx(FirstParameter, mExecutableExtensions);\r | |
2360 | }\r | |
2361 | \r | |
2362 | //\r | |
2363 | // This should be impossible now.\r | |
2364 | //\r | |
2365 | ASSERT(CommandWithPath != NULL);\r | |
2366 | \r | |
2367 | //\r | |
2368 | // Make sure that path is not just a directory (or not found)\r | |
2369 | //\r | |
2370 | if (!EFI_ERROR(ShellIsDirectory(CommandWithPath))) {\r | |
2371 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, FirstParameter);\r | |
6bd64463 | 2372 | SetLastError(SHELL_NOT_FOUND);\r |
806c49db JC |
2373 | }\r |
2374 | switch (Type) {\r | |
51429264 | 2375 | case Script_File_Name:\r |
a308e058 | 2376 | Status = RunScriptFile (CommandWithPath, NULL, CmdLine, ParamProtocol);\r |
806c49db | 2377 | break;\r |
51429264 | 2378 | case Efi_Application:\r |
806c49db JC |
2379 | //\r |
2380 | // Get the device path of the application image\r | |
2381 | //\r | |
2382 | DevPath = ShellInfoObject.NewEfiShellProtocol->GetDevicePathFromFilePath(CommandWithPath);\r | |
2383 | if (DevPath == NULL){\r | |
2384 | Status = EFI_OUT_OF_RESOURCES;\r | |
2385 | break;\r | |
2386 | }\r | |
2387 | \r | |
2388 | //\r | |
2389 | // Execute the device path\r | |
2390 | //\r | |
2391 | Status = InternalShellExecuteDevicePath(\r | |
2392 | &gImageHandle,\r | |
2393 | DevPath,\r | |
2394 | CmdLine,\r | |
2395 | NULL,\r | |
a308e058 | 2396 | &StartStatus\r |
806c49db JC |
2397 | );\r |
2398 | \r | |
2399 | SHELL_FREE_NON_NULL(DevPath);\r | |
2400 | \r | |
71c49eaf SQ |
2401 | if(EFI_ERROR (Status)) {\r |
2402 | CalleeExitStatus = (SHELL_STATUS) (Status & (~MAX_BIT));\r | |
2403 | } else {\r | |
cd39fe08 | 2404 | CalleeExitStatus = (SHELL_STATUS) StartStatus;\r |
71c49eaf SQ |
2405 | }\r |
2406 | \r | |
490ce43d QS |
2407 | if (CommandStatus != NULL) {\r |
2408 | *CommandStatus = CalleeExitStatus;\r | |
2409 | }\r | |
2410 | \r | |
806c49db JC |
2411 | //\r |
2412 | // Update last error status.\r | |
2413 | //\r | |
5223c121 | 2414 | // Status is an EFI_STATUS. Clear top bit to convert to SHELL_STATUS\r |
71c49eaf | 2415 | SetLastError(CalleeExitStatus);\r |
806c49db | 2416 | break;\r |
6fa0da7d LE |
2417 | default:\r |
2418 | //\r | |
2419 | // Do nothing.\r | |
2420 | //\r | |
2421 | break;\r | |
5a5eb806 JC |
2422 | }\r |
2423 | break;\r | |
6fa0da7d LE |
2424 | default:\r |
2425 | //\r | |
2426 | // Do nothing.\r | |
2427 | //\r | |
2428 | break;\r | |
5a5eb806 | 2429 | }\r |
806c49db JC |
2430 | \r |
2431 | SHELL_FREE_NON_NULL(CommandWithPath);\r | |
2432 | \r | |
2433 | return (Status);\r | |
2434 | }\r | |
2435 | \r | |
2436 | /**\r | |
2437 | Function to setup StdIn, StdErr, StdOut, and then run the command or file.\r | |
2438 | \r | |
2439 | @param[in] Type the type of operation being run.\r | |
2440 | @param[in] CmdLine the command line to run.\r | |
2441 | @param[in] FirstParameter the first parameter on the command line.\r | |
2442 | @param[in] ParamProtocol the shell parameters protocol pointer\r | |
490ce43d | 2443 | @param[out] CommandStatus the status from the command line.\r |
806c49db JC |
2444 | \r |
2445 | @retval EFI_SUCCESS The command was completed.\r | |
2446 | @retval EFI_ABORTED The command's operation was aborted.\r | |
2447 | **/\r | |
2448 | EFI_STATUS\r | |
2449 | EFIAPI\r | |
2450 | SetupAndRunCommandOrFile(\r | |
490ce43d QS |
2451 | IN SHELL_OPERATION_TYPES Type,\r |
2452 | IN CHAR16 *CmdLine,\r | |
2453 | IN CHAR16 *FirstParameter,\r | |
2454 | IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,\r | |
2455 | OUT EFI_STATUS *CommandStatus\r | |
806c49db JC |
2456 | )\r |
2457 | {\r | |
2458 | EFI_STATUS Status;\r | |
2459 | SHELL_FILE_HANDLE OriginalStdIn;\r | |
2460 | SHELL_FILE_HANDLE OriginalStdOut;\r | |
2461 | SHELL_FILE_HANDLE OriginalStdErr;\r | |
2462 | SYSTEM_TABLE_INFO OriginalSystemTableInfo;\r | |
2463 | \r | |
2464 | //\r | |
2465 | // Update the StdIn, StdOut, and StdErr for redirection to environment variables, files, etc... unicode and ASCII\r | |
2466 | //\r | |
2467 | Status = UpdateStdInStdOutStdErr(ParamProtocol, CmdLine, &OriginalStdIn, &OriginalStdOut, &OriginalStdErr, &OriginalSystemTableInfo);\r | |
2468 | \r | |
2469 | //\r | |
2470 | // The StdIn, StdOut, and StdErr are set up.\r | |
2471 | // Now run the command, script, or application\r | |
2472 | //\r | |
2473 | if (!EFI_ERROR(Status)) {\r | |
75eb337f | 2474 | TrimSpaces(&CmdLine);\r |
490ce43d | 2475 | Status = RunCommandOrFile(Type, CmdLine, FirstParameter, ParamProtocol, CommandStatus);\r |
806c49db JC |
2476 | }\r |
2477 | \r | |
2478 | //\r | |
2479 | // Now print errors\r | |
2480 | //\r | |
2481 | if (EFI_ERROR(Status)) {\r | |
2482 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_ERROR), ShellInfoObject.HiiHandle, (VOID*)(Status));\r | |
2483 | }\r | |
2484 | \r | |
2485 | //\r | |
2486 | // put back the original StdIn, StdOut, and StdErr\r | |
2487 | //\r | |
2488 | RestoreStdInStdOutStdErr(ParamProtocol, &OriginalStdIn, &OriginalStdOut, &OriginalStdErr, &OriginalSystemTableInfo);\r | |
2489 | \r | |
2490 | return (Status);\r | |
5a5eb806 JC |
2491 | }\r |
2492 | \r | |
a405b86d | 2493 | /**\r |
2494 | Function will process and run a command line.\r | |
2495 | \r | |
2496 | This will determine if the command line represents an internal shell \r | |
2497 | command or dispatch an external application.\r | |
2498 | \r | |
2499 | @param[in] CmdLine The command line to parse.\r | |
490ce43d | 2500 | @param[out] CommandStatus The status from the command line.\r |
a405b86d | 2501 | \r |
2502 | @retval EFI_SUCCESS The command was completed.\r | |
2503 | @retval EFI_ABORTED The command's operation was aborted.\r | |
2504 | **/\r | |
2505 | EFI_STATUS\r | |
2506 | EFIAPI\r | |
490ce43d QS |
2507 | RunShellCommand(\r |
2508 | IN CONST CHAR16 *CmdLine,\r | |
2509 | OUT EFI_STATUS *CommandStatus\r | |
a405b86d | 2510 | )\r |
2511 | {\r | |
2512 | EFI_STATUS Status;\r | |
a405b86d | 2513 | CHAR16 *CleanOriginal;\r |
806c49db JC |
2514 | CHAR16 *FirstParameter;\r |
2515 | CHAR16 *TempWalker;\r | |
2516 | SHELL_OPERATION_TYPES Type;\r | |
a405b86d | 2517 | \r |
2518 | ASSERT(CmdLine != NULL);\r | |
2519 | if (StrLen(CmdLine) == 0) {\r | |
2520 | return (EFI_SUCCESS);\r | |
2521 | }\r | |
2522 | \r | |
a405b86d | 2523 | Status = EFI_SUCCESS;\r |
2524 | CleanOriginal = NULL;\r | |
a405b86d | 2525 | \r |
2526 | CleanOriginal = StrnCatGrow(&CleanOriginal, NULL, CmdLine, 0);\r | |
532691c8 | 2527 | if (CleanOriginal == NULL) {\r |
2528 | return (EFI_OUT_OF_RESOURCES);\r | |
2529 | }\r | |
284e034f | 2530 | \r |
ad2bc854 | 2531 | TrimSpaces(&CleanOriginal);\r |
a405b86d | 2532 | \r |
284e034f | 2533 | //\r |
d41a79a0 CP |
2534 | // NULL out comments (leveraged from RunScriptFileHandle() ).\r |
2535 | // The # character on a line is used to denote that all characters on the same line\r | |
2536 | // and to the right of the # are to be ignored by the shell.\r | |
d08a5464 | 2537 | // Afterwards, again remove spaces, in case any were between the last command-parameter and '#'.\r |
d41a79a0 CP |
2538 | //\r |
2539 | for (TempWalker = CleanOriginal; TempWalker != NULL && *TempWalker != CHAR_NULL; TempWalker++) {\r | |
2540 | if (*TempWalker == L'^') {\r | |
2541 | if (*(TempWalker + 1) == L'#') {\r | |
4b6b543e | 2542 | TempWalker++;\r |
d41a79a0 CP |
2543 | }\r |
2544 | } else if (*TempWalker == L'#') {\r | |
2545 | *TempWalker = CHAR_NULL;\r | |
2546 | }\r | |
2547 | }\r | |
2548 | \r | |
2549 | TrimSpaces(&CleanOriginal);\r | |
2550 | \r | |
2551 | //\r | |
284e034f CP |
2552 | // Handle case that passed in command line is just 1 or more " " characters.\r |
2553 | //\r | |
2554 | if (StrLen (CleanOriginal) == 0) {\r | |
806c49db | 2555 | SHELL_FREE_NON_NULL(CleanOriginal);\r |
284e034f CP |
2556 | return (EFI_SUCCESS);\r |
2557 | }\r | |
2558 | \r | |
12a27a6d | 2559 | Status = ProcessCommandLineToFinal(&CleanOriginal);\r |
ca53c0af | 2560 | if (EFI_ERROR(Status)) {\r |
806c49db | 2561 | SHELL_FREE_NON_NULL(CleanOriginal);\r |
ca53c0af | 2562 | return (Status);\r |
a405b86d | 2563 | }\r |
2564 | \r | |
a405b86d | 2565 | //\r |
d08a5464 | 2566 | // We don't do normal processing with a split command line (output from one command input to another)\r |
a405b86d | 2567 | //\r |
1ef61d03 | 2568 | if (ContainsSplit(CleanOriginal)) {\r |
a308e058 | 2569 | Status = ProcessNewSplitCommandLine(CleanOriginal);\r |
806c49db JC |
2570 | SHELL_FREE_NON_NULL(CleanOriginal);\r |
2571 | return (Status);\r | |
2572 | } \r | |
5b5cd144 | 2573 | \r |
806c49db JC |
2574 | //\r |
2575 | // We need the first parameter information so we can determine the operation type\r | |
2576 | //\r | |
2577 | FirstParameter = AllocateZeroPool(StrSize(CleanOriginal));\r | |
2578 | if (FirstParameter == NULL) {\r | |
2579 | SHELL_FREE_NON_NULL(CleanOriginal);\r | |
2580 | return (EFI_OUT_OF_RESOURCES);\r | |
2581 | }\r | |
2582 | TempWalker = CleanOriginal;\r | |
d1c275c6 | 2583 | if (!EFI_ERROR(GetNextParameter(&TempWalker, &FirstParameter, StrSize(CleanOriginal), TRUE))) {\r |
14030c5c JC |
2584 | //\r |
2585 | // Depending on the first parameter we change the behavior\r | |
2586 | //\r | |
2587 | switch (Type = GetOperationType(FirstParameter)) {\r | |
2588 | case File_Sys_Change:\r | |
2589 | Status = ChangeMappedDrive (FirstParameter);\r | |
2590 | break;\r | |
2591 | case Internal_Command:\r | |
2592 | case Script_File_Name:\r | |
2593 | case Efi_Application:\r | |
490ce43d | 2594 | Status = SetupAndRunCommandOrFile(Type, CleanOriginal, FirstParameter, ShellInfoObject.NewShellParametersProtocol, CommandStatus);\r |
14030c5c JC |
2595 | break;\r |
2596 | default:\r | |
2597 | //\r | |
2598 | // Whatever was typed, it was invalid.\r | |
2599 | //\r | |
2600 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, FirstParameter);\r | |
2601 | SetLastError(SHELL_NOT_FOUND);\r | |
2602 | break;\r | |
2603 | }\r | |
2604 | } else {\r | |
2605 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, FirstParameter);\r | |
2606 | SetLastError(SHELL_NOT_FOUND);\r | |
a405b86d | 2607 | }\r |
806c49db | 2608 | \r |
ca53c0af | 2609 | SHELL_FREE_NON_NULL(CleanOriginal);\r |
806c49db | 2610 | SHELL_FREE_NON_NULL(FirstParameter);\r |
a405b86d | 2611 | \r |
2612 | return (Status);\r | |
2613 | }\r | |
2614 | \r | |
490ce43d QS |
2615 | /**\r |
2616 | Function will process and run a command line.\r | |
2617 | \r | |
2618 | This will determine if the command line represents an internal shell \r | |
2619 | command or dispatch an external application.\r | |
2620 | \r | |
2621 | @param[in] CmdLine The command line to parse.\r | |
2622 | \r | |
2623 | @retval EFI_SUCCESS The command was completed.\r | |
2624 | @retval EFI_ABORTED The command's operation was aborted.\r | |
2625 | **/\r | |
2626 | EFI_STATUS\r | |
2627 | EFIAPI\r | |
2628 | RunCommand(\r | |
2629 | IN CONST CHAR16 *CmdLine\r | |
2630 | )\r | |
2631 | {\r | |
2632 | return (RunShellCommand(CmdLine, NULL));\r | |
2633 | }\r | |
2634 | \r | |
2635 | \r | |
a405b86d | 2636 | STATIC CONST UINT16 InvalidChars[] = {L'*', L'?', L'<', L'>', L'\\', L'/', L'\"', 0x0001, 0x0002};\r |
2637 | /**\r | |
d08a5464 | 2638 | Function determines if the CommandName COULD be a valid command. It does not determine whether\r |
a405b86d | 2639 | this is a valid command. It only checks for invalid characters.\r |
2640 | \r | |
2641 | @param[in] CommandName The name to check\r | |
2642 | \r | |
2643 | @retval TRUE CommandName could be a command name\r | |
2644 | @retval FALSE CommandName could not be a valid command name\r | |
2645 | **/\r | |
2646 | BOOLEAN\r | |
2647 | EFIAPI\r | |
2648 | IsValidCommandName(\r | |
2649 | IN CONST CHAR16 *CommandName\r | |
2650 | )\r | |
2651 | {\r | |
2652 | UINTN Count;\r | |
2653 | if (CommandName == NULL) {\r | |
2654 | ASSERT(FALSE);\r | |
2655 | return (FALSE);\r | |
2656 | }\r | |
2657 | for ( Count = 0\r | |
2658 | ; Count < sizeof(InvalidChars) / sizeof(InvalidChars[0])\r | |
2659 | ; Count++\r | |
2660 | ){\r | |
2661 | if (ScanMem16(CommandName, StrSize(CommandName), InvalidChars[Count]) != NULL) {\r | |
2662 | return (FALSE);\r | |
2663 | }\r | |
2664 | }\r | |
2665 | return (TRUE);\r | |
2666 | }\r | |
2667 | \r | |
2668 | /**\r | |
2669 | Function to process a NSH script file via SHELL_FILE_HANDLE.\r | |
2670 | \r | |
2671 | @param[in] Handle The handle to the already opened file.\r | |
2672 | @param[in] Name The name of the script file.\r | |
2673 | \r | |
d08a5464 | 2674 | @retval EFI_SUCCESS the script completed successfully\r |
a405b86d | 2675 | **/\r |
2676 | EFI_STATUS\r | |
2677 | EFIAPI\r | |
2678 | RunScriptFileHandle (\r | |
a308e058 RN |
2679 | IN SHELL_FILE_HANDLE Handle,\r |
2680 | IN CONST CHAR16 *Name\r | |
a405b86d | 2681 | )\r |
2682 | {\r | |
2683 | EFI_STATUS Status;\r | |
2684 | SCRIPT_FILE *NewScriptFile;\r | |
2685 | UINTN LoopVar;\r | |
4dc0d578 | 2686 | UINTN PrintBuffSize;\r |
a405b86d | 2687 | CHAR16 *CommandLine;\r |
2688 | CHAR16 *CommandLine2;\r | |
2689 | CHAR16 *CommandLine3;\r | |
2690 | SCRIPT_COMMAND_LIST *LastCommand;\r | |
2691 | BOOLEAN Ascii;\r | |
2692 | BOOLEAN PreScriptEchoState;\r | |
848997b5 | 2693 | BOOLEAN PreCommandEchoState;\r |
a405b86d | 2694 | CONST CHAR16 *CurDir;\r |
2695 | UINTN LineCount;\r | |
b6b22b13 | 2696 | CHAR16 LeString[50];\r |
14810d6b | 2697 | LIST_ENTRY OldBufferList;\r |
a405b86d | 2698 | \r |
2699 | ASSERT(!ShellCommandGetScriptExit());\r | |
2700 | \r | |
2701 | PreScriptEchoState = ShellCommandGetEchoState();\r | |
4dc0d578 | 2702 | PrintBuffSize = PcdGet16(PcdShellPrintBufferSize);\r |
a405b86d | 2703 | \r |
2704 | NewScriptFile = (SCRIPT_FILE*)AllocateZeroPool(sizeof(SCRIPT_FILE));\r | |
3c865f20 | 2705 | if (NewScriptFile == NULL) {\r |
2706 | return (EFI_OUT_OF_RESOURCES);\r | |
2707 | }\r | |
a405b86d | 2708 | \r |
2709 | //\r | |
2710 | // Set up the name\r | |
2711 | //\r | |
2712 | ASSERT(NewScriptFile->ScriptName == NULL);\r | |
2713 | NewScriptFile->ScriptName = StrnCatGrow(&NewScriptFile->ScriptName, NULL, Name, 0);\r | |
3c865f20 | 2714 | if (NewScriptFile->ScriptName == NULL) {\r |
2715 | DeleteScriptFileStruct(NewScriptFile);\r | |
2716 | return (EFI_OUT_OF_RESOURCES);\r | |
2717 | }\r | |
a405b86d | 2718 | \r |
2719 | //\r | |
2720 | // Save the parameters (used to replace %0 to %9 later on)\r | |
2721 | //\r | |
2722 | NewScriptFile->Argc = ShellInfoObject.NewShellParametersProtocol->Argc;\r | |
2723 | if (NewScriptFile->Argc != 0) {\r | |
2724 | NewScriptFile->Argv = (CHAR16**)AllocateZeroPool(NewScriptFile->Argc * sizeof(CHAR16*));\r | |
3c865f20 | 2725 | if (NewScriptFile->Argv == NULL) {\r |
2726 | DeleteScriptFileStruct(NewScriptFile);\r | |
2727 | return (EFI_OUT_OF_RESOURCES);\r | |
2728 | }\r | |
a405b86d | 2729 | for (LoopVar = 0 ; LoopVar < 10 && LoopVar < NewScriptFile->Argc; LoopVar++) {\r |
2730 | ASSERT(NewScriptFile->Argv[LoopVar] == NULL);\r | |
2731 | NewScriptFile->Argv[LoopVar] = StrnCatGrow(&NewScriptFile->Argv[LoopVar], NULL, ShellInfoObject.NewShellParametersProtocol->Argv[LoopVar], 0);\r | |
3c865f20 | 2732 | if (NewScriptFile->Argv[LoopVar] == NULL) {\r |
2733 | DeleteScriptFileStruct(NewScriptFile);\r | |
2734 | return (EFI_OUT_OF_RESOURCES);\r | |
2735 | }\r | |
a405b86d | 2736 | }\r |
2737 | } else {\r | |
2738 | NewScriptFile->Argv = NULL;\r | |
2739 | }\r | |
2740 | \r | |
2741 | InitializeListHead(&NewScriptFile->CommandList);\r | |
2742 | InitializeListHead(&NewScriptFile->SubstList);\r | |
2743 | \r | |
2744 | //\r | |
2745 | // Now build the list of all script commands.\r | |
2746 | //\r | |
2747 | LineCount = 0;\r | |
2748 | while(!ShellFileHandleEof(Handle)) {\r | |
2749 | CommandLine = ShellFileHandleReturnLine(Handle, &Ascii);\r | |
2750 | LineCount++;\r | |
4922715d JC |
2751 | if (CommandLine == NULL || StrLen(CommandLine) == 0 || CommandLine[0] == '#') {\r |
2752 | SHELL_FREE_NON_NULL(CommandLine);\r | |
a405b86d | 2753 | continue;\r |
2754 | }\r | |
2755 | NewScriptFile->CurrentCommand = AllocateZeroPool(sizeof(SCRIPT_COMMAND_LIST));\r | |
3c865f20 | 2756 | if (NewScriptFile->CurrentCommand == NULL) {\r |
4922715d | 2757 | SHELL_FREE_NON_NULL(CommandLine);\r |
3c865f20 | 2758 | DeleteScriptFileStruct(NewScriptFile);\r |
2759 | return (EFI_OUT_OF_RESOURCES);\r | |
2760 | }\r | |
a405b86d | 2761 | \r |
2762 | NewScriptFile->CurrentCommand->Cl = CommandLine;\r | |
2763 | NewScriptFile->CurrentCommand->Data = NULL;\r | |
2764 | NewScriptFile->CurrentCommand->Line = LineCount;\r | |
2765 | \r | |
2766 | InsertTailList(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link);\r | |
2767 | }\r | |
2768 | \r | |
2769 | //\r | |
2770 | // Add this as the topmost script file\r | |
2771 | //\r | |
2772 | ShellCommandSetNewScript (NewScriptFile);\r | |
2773 | \r | |
2774 | //\r | |
2775 | // Now enumerate through the commands and run each one.\r | |
2776 | //\r | |
4dc0d578 | 2777 | CommandLine = AllocateZeroPool(PrintBuffSize);\r |
3c865f20 | 2778 | if (CommandLine == NULL) {\r |
2779 | DeleteScriptFileStruct(NewScriptFile);\r | |
2780 | return (EFI_OUT_OF_RESOURCES);\r | |
2781 | }\r | |
4dc0d578 | 2782 | CommandLine2 = AllocateZeroPool(PrintBuffSize);\r |
3c865f20 | 2783 | if (CommandLine2 == NULL) {\r |
2784 | FreePool(CommandLine);\r | |
2785 | DeleteScriptFileStruct(NewScriptFile);\r | |
2786 | return (EFI_OUT_OF_RESOURCES);\r | |
2787 | }\r | |
a405b86d | 2788 | \r |
2789 | for ( NewScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetFirstNode(&NewScriptFile->CommandList)\r | |
2790 | ; !IsNull(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link)\r | |
2791 | ; // conditional increment in the body of the loop\r | |
2792 | ){\r | |
3c865f20 | 2793 | ASSERT(CommandLine2 != NULL);\r |
4dc0d578 QS |
2794 | StrnCpyS( CommandLine2, \r |
2795 | PrintBuffSize/sizeof(CHAR16), \r | |
2796 | NewScriptFile->CurrentCommand->Cl,\r | |
2797 | PrintBuffSize/sizeof(CHAR16) - 1\r | |
e75390f0 | 2798 | );\r |
a405b86d | 2799 | \r |
14810d6b QS |
2800 | SaveBufferList(&OldBufferList);\r |
2801 | \r | |
a405b86d | 2802 | //\r |
2803 | // NULL out comments\r | |
2804 | //\r | |
2805 | for (CommandLine3 = CommandLine2 ; CommandLine3 != NULL && *CommandLine3 != CHAR_NULL ; CommandLine3++) {\r | |
2806 | if (*CommandLine3 == L'^') {\r | |
4b6b543e | 2807 | if ( *(CommandLine3+1) == L':') {\r |
a405b86d | 2808 | CopyMem(CommandLine3, CommandLine3+1, StrSize(CommandLine3) - sizeof(CommandLine3[0]));\r |
4b6b543e QS |
2809 | } else if (*(CommandLine3+1) == L'#') {\r |
2810 | CommandLine3++;\r | |
a405b86d | 2811 | }\r |
2812 | } else if (*CommandLine3 == L'#') {\r | |
2813 | *CommandLine3 = CHAR_NULL;\r | |
2814 | }\r | |
2815 | }\r | |
2816 | \r | |
2817 | if (CommandLine2 != NULL && StrLen(CommandLine2) >= 1) {\r | |
2818 | //\r | |
2819 | // Due to variability in starting the find and replace action we need to have both buffers the same.\r | |
2820 | //\r | |
4dc0d578 QS |
2821 | StrnCpyS( CommandLine, \r |
2822 | PrintBuffSize/sizeof(CHAR16), \r | |
2823 | CommandLine2,\r | |
2824 | PrintBuffSize/sizeof(CHAR16) - 1\r | |
e75390f0 | 2825 | );\r |
a405b86d | 2826 | \r |
2827 | //\r | |
2828 | // Remove the %0 to %9 from the command line (if we have some arguments)\r | |
2829 | //\r | |
2830 | if (NewScriptFile->Argv != NULL) {\r | |
2831 | switch (NewScriptFile->Argc) {\r | |
2832 | default:\r | |
d1c275c6 | 2833 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%9", NewScriptFile->Argv[9], FALSE, FALSE);\r |
a405b86d | 2834 | ASSERT_EFI_ERROR(Status);\r |
2835 | case 9:\r | |
d1c275c6 | 2836 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%8", NewScriptFile->Argv[8], FALSE, FALSE);\r |
a405b86d | 2837 | ASSERT_EFI_ERROR(Status);\r |
2838 | case 8:\r | |
d1c275c6 | 2839 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%7", NewScriptFile->Argv[7], FALSE, FALSE);\r |
a405b86d | 2840 | ASSERT_EFI_ERROR(Status);\r |
2841 | case 7:\r | |
d1c275c6 | 2842 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%6", NewScriptFile->Argv[6], FALSE, FALSE);\r |
a405b86d | 2843 | ASSERT_EFI_ERROR(Status);\r |
2844 | case 6:\r | |
d1c275c6 | 2845 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%5", NewScriptFile->Argv[5], FALSE, FALSE);\r |
a405b86d | 2846 | ASSERT_EFI_ERROR(Status);\r |
2847 | case 5:\r | |
d1c275c6 | 2848 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%4", NewScriptFile->Argv[4], FALSE, FALSE);\r |
a405b86d | 2849 | ASSERT_EFI_ERROR(Status);\r |
2850 | case 4:\r | |
d1c275c6 | 2851 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%3", NewScriptFile->Argv[3], FALSE, FALSE);\r |
a405b86d | 2852 | ASSERT_EFI_ERROR(Status);\r |
2853 | case 3:\r | |
d1c275c6 | 2854 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%2", NewScriptFile->Argv[2], FALSE, FALSE);\r |
a405b86d | 2855 | ASSERT_EFI_ERROR(Status);\r |
2856 | case 2:\r | |
d1c275c6 | 2857 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%1", NewScriptFile->Argv[1], FALSE, FALSE);\r |
a405b86d | 2858 | ASSERT_EFI_ERROR(Status);\r |
2859 | case 1:\r | |
d1c275c6 | 2860 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%0", NewScriptFile->Argv[0], FALSE, FALSE);\r |
a405b86d | 2861 | ASSERT_EFI_ERROR(Status);\r |
2862 | break;\r | |
2863 | case 0:\r | |
2864 | break;\r | |
2865 | }\r | |
2866 | }\r | |
4dc0d578 QS |
2867 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%1", L"\"\"", FALSE, FALSE);\r |
2868 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%2", L"\"\"", FALSE, FALSE);\r | |
2869 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%3", L"\"\"", FALSE, FALSE);\r | |
2870 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%4", L"\"\"", FALSE, FALSE);\r | |
2871 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%5", L"\"\"", FALSE, FALSE);\r | |
2872 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%6", L"\"\"", FALSE, FALSE);\r | |
2873 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%7", L"\"\"", FALSE, FALSE);\r | |
2874 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%8", L"\"\"", FALSE, FALSE);\r | |
2875 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%9", L"\"\"", FALSE, FALSE);\r | |
2876 | \r | |
2877 | StrnCpyS( CommandLine2, \r | |
2878 | PrintBuffSize/sizeof(CHAR16), \r | |
2879 | CommandLine,\r | |
2880 | PrintBuffSize/sizeof(CHAR16) - 1\r | |
e75390f0 | 2881 | );\r |
a405b86d | 2882 | \r |
2883 | LastCommand = NewScriptFile->CurrentCommand;\r | |
2884 | \r | |
2885 | for (CommandLine3 = CommandLine2 ; CommandLine3[0] == L' ' ; CommandLine3++);\r | |
2886 | \r | |
3c865f20 | 2887 | if (CommandLine3 != NULL && CommandLine3[0] == L':' ) {\r |
a405b86d | 2888 | //\r |
2889 | // This line is a goto target / label\r | |
2890 | //\r | |
2891 | } else {\r | |
2892 | if (CommandLine3 != NULL && StrLen(CommandLine3) > 0) {\r | |
848997b5 | 2893 | if (CommandLine3[0] == L'@') {\r |
2894 | //\r | |
2895 | // We need to save the current echo state\r | |
2896 | // and disable echo for just this command.\r | |
2897 | //\r | |
2898 | PreCommandEchoState = ShellCommandGetEchoState();\r | |
2899 | ShellCommandSetEchoState(FALSE);\r | |
a308e058 | 2900 | Status = RunCommand(CommandLine3+1);\r |
848997b5 | 2901 | \r |
2902 | //\r | |
284e034f | 2903 | // If command was "@echo -off" or "@echo -on" then don't restore echo state\r |
848997b5 | 2904 | //\r |
284e034f CP |
2905 | if (StrCmp (L"@echo -off", CommandLine3) != 0 &&\r |
2906 | StrCmp (L"@echo -on", CommandLine3) != 0) {\r | |
2907 | //\r | |
2908 | // Now restore the pre-'@' echo state.\r | |
2909 | //\r | |
2910 | ShellCommandSetEchoState(PreCommandEchoState);\r | |
2911 | }\r | |
848997b5 | 2912 | } else {\r |
0d11446d | 2913 | if (ShellCommandGetEchoState()) {\r |
2914 | CurDir = ShellInfoObject.NewEfiShellProtocol->GetEnv(L"cwd");\r | |
2915 | if (CurDir != NULL && StrLen(CurDir) > 1) {\r | |
2916 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CURDIR), ShellInfoObject.HiiHandle, CurDir);\r | |
2917 | } else {\r | |
2918 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_SHELL), ShellInfoObject.HiiHandle);\r | |
2919 | }\r | |
2920 | ShellPrintEx(-1, -1, L"%s\r\n", CommandLine2);\r | |
2921 | }\r | |
a308e058 | 2922 | Status = RunCommand(CommandLine3);\r |
848997b5 | 2923 | }\r |
a405b86d | 2924 | }\r |
2925 | \r | |
2926 | if (ShellCommandGetScriptExit()) {\r | |
5b5cd144 CP |
2927 | //\r |
2928 | // ShellCommandGetExitCode() always returns a UINT64\r | |
2929 | //\r | |
a308e058 | 2930 | UnicodeSPrint(LeString, sizeof(LeString), L"0x%Lx", ShellCommandGetExitCode());\r |
5b5cd144 CP |
2931 | DEBUG_CODE(InternalEfiShellSetEnv(L"debuglasterror", LeString, TRUE););\r |
2932 | InternalEfiShellSetEnv(L"lasterror", LeString, TRUE);\r | |
b6b22b13 | 2933 | \r |
2934 | ShellCommandRegisterExit(FALSE, 0);\r | |
a405b86d | 2935 | Status = EFI_SUCCESS;\r |
14810d6b | 2936 | RestoreBufferList(&OldBufferList);\r |
a405b86d | 2937 | break;\r |
2938 | }\r | |
c6a7fef8 | 2939 | if (ShellGetExecutionBreakFlag()) {\r |
14810d6b | 2940 | RestoreBufferList(&OldBufferList);\r |
c6a7fef8 ED |
2941 | break;\r |
2942 | }\r | |
a405b86d | 2943 | if (EFI_ERROR(Status)) {\r |
14810d6b | 2944 | RestoreBufferList(&OldBufferList);\r |
a405b86d | 2945 | break;\r |
2946 | }\r | |
2947 | if (ShellCommandGetExit()) {\r | |
14810d6b | 2948 | RestoreBufferList(&OldBufferList);\r |
a405b86d | 2949 | break;\r |
2950 | }\r | |
2951 | }\r | |
2952 | //\r | |
2953 | // If that commend did not update the CurrentCommand then we need to advance it...\r | |
2954 | //\r | |
2955 | if (LastCommand == NewScriptFile->CurrentCommand) {\r | |
2956 | NewScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetNextNode(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link);\r | |
2957 | if (!IsNull(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link)) {\r | |
2958 | NewScriptFile->CurrentCommand->Reset = TRUE;\r | |
2959 | }\r | |
2960 | }\r | |
2961 | } else {\r | |
2962 | NewScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetNextNode(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link);\r | |
2963 | if (!IsNull(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link)) {\r | |
2964 | NewScriptFile->CurrentCommand->Reset = TRUE;\r | |
2965 | }\r | |
2966 | }\r | |
14810d6b | 2967 | RestoreBufferList(&OldBufferList);\r |
a405b86d | 2968 | }\r |
2969 | \r | |
a405b86d | 2970 | \r |
2971 | FreePool(CommandLine);\r | |
2972 | FreePool(CommandLine2);\r | |
2973 | ShellCommandSetNewScript (NULL);\r | |
733f138d | 2974 | \r |
2975 | //\r | |
2976 | // Only if this was the last script reset the state.\r | |
2977 | //\r | |
2978 | if (ShellCommandGetCurrentScriptFile()==NULL) {\r | |
2979 | ShellCommandSetEchoState(PreScriptEchoState);\r | |
2980 | }\r | |
a405b86d | 2981 | return (EFI_SUCCESS);\r |
2982 | }\r | |
2983 | \r | |
2984 | /**\r | |
2985 | Function to process a NSH script file.\r | |
2986 | \r | |
2987 | @param[in] ScriptPath Pointer to the script file name (including file system path).\r | |
e958b946 JC |
2988 | @param[in] Handle the handle of the script file already opened.\r |
2989 | @param[in] CmdLine the command line to run.\r | |
2990 | @param[in] ParamProtocol the shell parameters protocol pointer\r | |
a405b86d | 2991 | \r |
d08a5464 | 2992 | @retval EFI_SUCCESS the script completed successfully\r |
a405b86d | 2993 | **/\r |
2994 | EFI_STATUS\r | |
2995 | EFIAPI\r | |
2996 | RunScriptFile (\r | |
a308e058 RN |
2997 | IN CONST CHAR16 *ScriptPath,\r |
2998 | IN SHELL_FILE_HANDLE Handle OPTIONAL,\r | |
2999 | IN CONST CHAR16 *CmdLine,\r | |
3000 | IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol\r | |
a405b86d | 3001 | )\r |
3002 | {\r | |
3003 | EFI_STATUS Status;\r | |
3004 | SHELL_FILE_HANDLE FileHandle;\r | |
e958b946 JC |
3005 | UINTN Argc;\r |
3006 | CHAR16 **Argv;\r | |
a405b86d | 3007 | \r |
3008 | if (ShellIsFile(ScriptPath) != EFI_SUCCESS) {\r | |
3009 | return (EFI_INVALID_PARAMETER);\r | |
3010 | }\r | |
3011 | \r | |
e958b946 JC |
3012 | //\r |
3013 | // get the argc and argv updated for scripts\r | |
3014 | //\r | |
d1c275c6 | 3015 | Status = UpdateArgcArgv(ParamProtocol, CmdLine, Script_File_Name, &Argv, &Argc);\r |
e958b946 | 3016 | if (!EFI_ERROR(Status)) {\r |
a405b86d | 3017 | \r |
e958b946 JC |
3018 | if (Handle == NULL) {\r |
3019 | //\r | |
3020 | // open the file\r | |
3021 | //\r | |
3022 | Status = ShellOpenFileByName(ScriptPath, &FileHandle, EFI_FILE_MODE_READ, 0);\r | |
3023 | if (!EFI_ERROR(Status)) {\r | |
3024 | //\r | |
3025 | // run it\r | |
3026 | //\r | |
a308e058 | 3027 | Status = RunScriptFileHandle(FileHandle, ScriptPath);\r |
a405b86d | 3028 | \r |
e958b946 JC |
3029 | //\r |
3030 | // now close the file\r | |
3031 | //\r | |
3032 | ShellCloseFile(&FileHandle);\r | |
3033 | }\r | |
3034 | } else {\r | |
a308e058 | 3035 | Status = RunScriptFileHandle(Handle, ScriptPath);\r |
e958b946 JC |
3036 | }\r |
3037 | }\r | |
3038 | \r | |
3039 | //\r | |
d08a5464 | 3040 | // This is guaranteed to be called after UpdateArgcArgv no matter what else happened.\r |
e958b946 JC |
3041 | // This is safe even if the update API failed. In this case, it may be a no-op.\r |
3042 | //\r | |
3043 | RestoreArgcArgv(ParamProtocol, &Argv, &Argc);\r | |
a405b86d | 3044 | \r |
3045 | return (Status);\r | |
3046 | }\r | |
00534bc3 JC |
3047 | \r |
3048 | /**\r | |
d08a5464 | 3049 | Return the pointer to the first occurrence of any character from a list of characters.\r |
00534bc3 JC |
3050 | \r |
3051 | @param[in] String the string to parse\r | |
3052 | @param[in] CharacterList the list of character to look for\r | |
3053 | @param[in] EscapeCharacter An escape character to skip\r | |
3054 | \r | |
3055 | @return the location of the first character in the string\r | |
3056 | @retval CHAR_NULL no instance of any character in CharacterList was found in String\r | |
3057 | **/\r | |
3058 | CONST CHAR16*\r | |
3059 | EFIAPI\r | |
3060 | FindFirstCharacter(\r | |
3061 | IN CONST CHAR16 *String,\r | |
3062 | IN CONST CHAR16 *CharacterList,\r | |
3063 | IN CONST CHAR16 EscapeCharacter\r | |
3064 | )\r | |
3065 | {\r | |
3066 | UINT32 WalkChar;\r | |
3067 | UINT32 WalkStr;\r | |
3068 | \r | |
3069 | for (WalkStr = 0; WalkStr < StrLen(String); WalkStr++) {\r | |
3070 | if (String[WalkStr] == EscapeCharacter) {\r | |
3071 | WalkStr++;\r | |
3072 | continue;\r | |
3073 | }\r | |
3074 | for (WalkChar = 0; WalkChar < StrLen(CharacterList); WalkChar++) {\r | |
3075 | if (String[WalkStr] == CharacterList[WalkChar]) {\r | |
3076 | return (&String[WalkStr]);\r | |
3077 | }\r | |
3078 | }\r | |
3079 | }\r | |
3080 | return (String + StrLen(String));\r | |
88ff5ba7 | 3081 | }\r |