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a405b86d | 1 | /** @file\r |
2 | This is THE shell (application)\r | |
3 | \r | |
e044364b | 4 | Copyright (c) 2009 - 2017, 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 | |
dcbdb8bf | 36 | 0,\r |
ce68d3bc SZ |
37 | 0\r |
38 | }},\r | |
a405b86d | 39 | 0,\r |
40 | NULL,\r | |
41 | NULL\r | |
42 | },\r | |
ce68d3bc | 43 | {{NULL, NULL}, NULL},\r |
a405b86d | 44 | {\r |
ce68d3bc | 45 | {{NULL, NULL}, NULL},\r |
a405b86d | 46 | 0,\r |
47 | 0,\r | |
48 | TRUE\r | |
49 | },\r | |
50 | NULL,\r | |
51 | 0,\r | |
52 | NULL,\r | |
53 | NULL,\r | |
54 | NULL,\r | |
55 | NULL,\r | |
56 | NULL,\r | |
ce68d3bc SZ |
57 | {{NULL, NULL}, NULL, NULL},\r |
58 | {{NULL, NULL}, NULL, NULL},\r | |
59 | NULL,\r | |
60 | NULL,\r | |
61 | NULL,\r | |
62 | NULL,\r | |
8be0ba36 | 63 | NULL,\r |
64 | NULL,\r | |
65 | NULL,\r | |
a49f6a2f | 66 | NULL,\r |
67 | FALSE\r | |
a405b86d | 68 | };\r |
69 | \r | |
70 | STATIC CONST CHAR16 mScriptExtension[] = L".NSH";\r | |
71 | STATIC CONST CHAR16 mExecutableExtensions[] = L".NSH;.EFI";\r | |
3c865f20 | 72 | STATIC CONST CHAR16 mStartupScript[] = L"startup.nsh";\r |
dcbdb8bf QS |
73 | CONST CHAR16 mNoNestingEnvVarName[] = L"nonesting";\r |
74 | CONST CHAR16 mNoNestingTrue[] = L"True";\r | |
75 | CONST CHAR16 mNoNestingFalse[] = L"False";\r | |
a405b86d | 76 | \r |
ad2bc854 | 77 | /**\r |
51429264 | 78 | Cleans off leading and trailing spaces and tabs.\r |
ad2bc854 | 79 | \r |
51429264 | 80 | @param[in] String pointer to the string to trim them off.\r |
ad2bc854 JC |
81 | **/\r |
82 | EFI_STATUS\r | |
ad2bc854 JC |
83 | TrimSpaces(\r |
84 | IN CHAR16 **String\r | |
85 | )\r | |
86 | {\r | |
87 | ASSERT(String != NULL);\r | |
88 | ASSERT(*String!= NULL);\r | |
89 | //\r | |
90 | // Remove any spaces and tabs at the beginning of the (*String).\r | |
91 | //\r | |
92 | while (((*String)[0] == L' ') || ((*String)[0] == L'\t')) {\r | |
93 | CopyMem((*String), (*String)+1, StrSize((*String)) - sizeof((*String)[0]));\r | |
94 | }\r | |
95 | \r | |
96 | //\r | |
404b3f43 | 97 | // Remove any spaces and tabs at the end of the (*String).\r |
ad2bc854 | 98 | //\r |
404b3f43 | 99 | while ((StrLen (*String) > 0) && (((*String)[StrLen((*String))-1] == L' ') || ((*String)[StrLen((*String))-1] == L'\t'))) {\r |
ad2bc854 JC |
100 | (*String)[StrLen((*String))-1] = CHAR_NULL;\r |
101 | }\r | |
102 | \r | |
103 | return (EFI_SUCCESS);\r | |
104 | }\r | |
105 | \r | |
a95cf8f0 JC |
106 | /**\r |
107 | Parse for the next instance of one string within another string. Can optionally make sure that \r | |
108 | the string was not escaped (^ character) per the shell specification.\r | |
109 | \r | |
110 | @param[in] SourceString The string to search within\r | |
111 | @param[in] FindString The string to look for\r | |
112 | @param[in] CheckForEscapeCharacter TRUE to skip escaped instances of FinfString, otherwise will return even escaped instances\r | |
113 | **/\r | |
114 | CHAR16*\r | |
a95cf8f0 JC |
115 | FindNextInstance(\r |
116 | IN CONST CHAR16 *SourceString,\r | |
117 | IN CONST CHAR16 *FindString,\r | |
118 | IN CONST BOOLEAN CheckForEscapeCharacter\r | |
119 | )\r | |
120 | {\r | |
121 | CHAR16 *Temp;\r | |
122 | if (SourceString == NULL) {\r | |
123 | return (NULL);\r | |
124 | }\r | |
125 | Temp = StrStr(SourceString, FindString);\r | |
126 | \r | |
127 | //\r | |
d08a5464 | 128 | // If nothing found, or we don't care about escape characters\r |
a95cf8f0 JC |
129 | //\r |
130 | if (Temp == NULL || !CheckForEscapeCharacter) {\r | |
131 | return (Temp);\r | |
132 | }\r | |
133 | \r | |
134 | //\r | |
135 | // If we found an escaped character, try again on the remainder of the string\r | |
136 | //\r | |
137 | if ((Temp > (SourceString)) && *(Temp-1) == L'^') {\r | |
138 | return FindNextInstance(Temp+1, FindString, CheckForEscapeCharacter);\r | |
139 | }\r | |
140 | \r | |
141 | //\r | |
142 | // we found the right character\r | |
143 | //\r | |
144 | return (Temp);\r | |
145 | }\r | |
146 | \r | |
42435671 | 147 | /**\r |
d08a5464 | 148 | Check whether the string between a pair of % is a valid environment variable name.\r |
42435671 QS |
149 | \r |
150 | @param[in] BeginPercent pointer to the first percent.\r | |
151 | @param[in] EndPercent pointer to the last percent.\r | |
152 | \r | |
153 | @retval TRUE is a valid environment variable name.\r | |
154 | @retval FALSE is NOT a valid environment variable name.\r | |
155 | **/\r | |
156 | BOOLEAN\r | |
157 | IsValidEnvironmentVariableName(\r | |
158 | IN CONST CHAR16 *BeginPercent,\r | |
159 | IN CONST CHAR16 *EndPercent\r | |
160 | )\r | |
161 | {\r | |
162 | CONST CHAR16 *Walker;\r | |
163 | \r | |
164 | Walker = NULL;\r | |
165 | \r | |
166 | ASSERT (BeginPercent != NULL);\r | |
167 | ASSERT (EndPercent != NULL);\r | |
168 | ASSERT (BeginPercent < EndPercent);\r | |
169 | \r | |
170 | if ((BeginPercent + 1) == EndPercent) {\r | |
171 | return FALSE;\r | |
172 | }\r | |
173 | \r | |
174 | for (Walker = BeginPercent + 1; Walker < EndPercent; Walker++) {\r | |
175 | if (\r | |
176 | (*Walker >= L'0' && *Walker <= L'9') ||\r | |
177 | (*Walker >= L'A' && *Walker <= L'Z') ||\r | |
178 | (*Walker >= L'a' && *Walker <= L'z') ||\r | |
179 | (*Walker == L'_')\r | |
180 | ) {\r | |
181 | if (Walker == BeginPercent + 1 && (*Walker >= L'0' && *Walker <= L'9')) {\r | |
182 | return FALSE;\r | |
183 | } else {\r | |
184 | continue;\r | |
185 | }\r | |
186 | } else {\r | |
187 | return FALSE;\r | |
188 | }\r | |
189 | }\r | |
190 | \r | |
191 | return TRUE;\r | |
192 | }\r | |
193 | \r | |
518c8cdc JC |
194 | /**\r |
195 | Determine if a command line contains a split operation\r | |
196 | \r | |
197 | @param[in] CmdLine The command line to parse.\r | |
198 | \r | |
199 | @retval TRUE CmdLine has a valid split.\r | |
200 | @retval FALSE CmdLine does not have a valid split.\r | |
201 | **/\r | |
202 | BOOLEAN\r | |
518c8cdc JC |
203 | ContainsSplit(\r |
204 | IN CONST CHAR16 *CmdLine\r | |
205 | )\r | |
206 | {\r | |
207 | CONST CHAR16 *TempSpot;\r | |
6f6792b8 QS |
208 | CONST CHAR16 *FirstQuote;\r |
209 | CONST CHAR16 *SecondQuote;\r | |
210 | \r | |
a95cf8f0 | 211 | FirstQuote = FindNextInstance (CmdLine, L"\"", TRUE);\r |
6f6792b8 | 212 | SecondQuote = NULL;\r |
1219c85d | 213 | TempSpot = FindFirstCharacter(CmdLine, L"|", L'^');\r |
6f6792b8 | 214 | \r |
fe8ec3dd JC |
215 | if (FirstQuote == NULL || \r |
216 | TempSpot == NULL || \r | |
217 | TempSpot == CHAR_NULL || \r | |
6f6792b8 QS |
218 | FirstQuote > TempSpot\r |
219 | ) {\r | |
220 | return (BOOLEAN) ((TempSpot != NULL) && (*TempSpot != CHAR_NULL));\r | |
221 | }\r | |
222 | \r | |
223 | while ((TempSpot != NULL) && (*TempSpot != CHAR_NULL)) {\r | |
fe8ec3dd | 224 | if (FirstQuote == NULL || FirstQuote > TempSpot) {\r |
6f6792b8 QS |
225 | break;\r |
226 | } \r | |
a95cf8f0 | 227 | SecondQuote = FindNextInstance (FirstQuote + 1, L"\"", TRUE);\r |
fe8ec3dd | 228 | if (SecondQuote == NULL) {\r |
6f6792b8 QS |
229 | break;\r |
230 | }\r | |
231 | if (SecondQuote < TempSpot) {\r | |
a95cf8f0 | 232 | FirstQuote = FindNextInstance (SecondQuote + 1, L"\"", TRUE);\r |
6f6792b8 QS |
233 | continue;\r |
234 | } else {\r | |
a95cf8f0 | 235 | FirstQuote = FindNextInstance (SecondQuote + 1, L"\"", TRUE);\r |
1219c85d | 236 | TempSpot = FindFirstCharacter(TempSpot + 1, L"|", L'^');\r |
6f6792b8 QS |
237 | continue;\r |
238 | } \r | |
239 | }\r | |
240 | \r | |
8dcd84b9 | 241 | return (BOOLEAN) ((TempSpot != NULL) && (*TempSpot != CHAR_NULL));\r |
19a44972 JC |
242 | }\r |
243 | \r | |
733f138d | 244 | /**\r |
245 | Function to start monitoring for CTRL-S using SimpleTextInputEx. This \r | |
246 | feature's enabled state was not known when the shell initially launched.\r | |
247 | \r | |
248 | @retval EFI_SUCCESS The feature is enabled.\r | |
d08a5464 | 249 | @retval EFI_OUT_OF_RESOURCES There is not enough memory available.\r |
733f138d | 250 | **/\r |
251 | EFI_STATUS\r | |
733f138d | 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 | |
bd3fc813 | 341 | SPLIT_LIST *Split;\r |
a405b86d | 342 | \r |
343 | if (PcdGet8(PcdShellSupportLevel) > 3) {\r | |
344 | return (EFI_UNSUPPORTED);\r | |
345 | }\r | |
346 | \r | |
347 | //\r | |
348 | // Clear the screen\r | |
349 | //\r | |
350 | Status = gST->ConOut->ClearScreen(gST->ConOut);\r | |
3c865f20 | 351 | if (EFI_ERROR(Status)) {\r |
352 | return (Status);\r | |
353 | }\r | |
a405b86d | 354 | \r |
355 | //\r | |
356 | // Populate the global structure from PCDs\r | |
357 | //\r | |
358 | ShellInfoObject.ImageDevPath = NULL;\r | |
359 | ShellInfoObject.FileDevPath = NULL;\r | |
360 | ShellInfoObject.PageBreakEnabled = PcdGetBool(PcdShellPageBreakDefault);\r | |
361 | ShellInfoObject.ViewingSettings.InsertMode = PcdGetBool(PcdShellInsertModeDefault);\r | |
362 | ShellInfoObject.LogScreenCount = PcdGet8 (PcdShellScreenLogCount );\r | |
363 | \r | |
364 | //\r | |
365 | // verify we dont allow for spec violation\r | |
366 | //\r | |
367 | ASSERT(ShellInfoObject.LogScreenCount >= 3);\r | |
368 | \r | |
369 | //\r | |
370 | // Initialize the LIST ENTRY objects...\r | |
371 | //\r | |
372 | InitializeListHead(&ShellInfoObject.BufferToFreeList.Link);\r | |
373 | InitializeListHead(&ShellInfoObject.ViewingSettings.CommandHistory.Link);\r | |
374 | InitializeListHead(&ShellInfoObject.SplitList.Link);\r | |
375 | \r | |
376 | //\r | |
377 | // Check PCDs for optional features that are not implemented yet.\r | |
378 | //\r | |
379 | if ( PcdGetBool(PcdShellSupportOldProtocols)\r | |
380 | || !FeaturePcdGet(PcdShellRequireHiiPlatform)\r | |
381 | || FeaturePcdGet(PcdShellSupportFrameworkHii)\r | |
382 | ) {\r | |
383 | return (EFI_UNSUPPORTED);\r | |
384 | }\r | |
385 | \r | |
386 | //\r | |
387 | // turn off the watchdog timer\r | |
388 | //\r | |
389 | gBS->SetWatchdogTimer (0, 0, 0, NULL);\r | |
390 | \r | |
391 | //\r | |
392 | // install our console logger. This will keep a log of the output for back-browsing\r | |
393 | //\r | |
394 | Status = ConsoleLoggerInstall(ShellInfoObject.LogScreenCount, &ShellInfoObject.ConsoleInfo);\r | |
3c865f20 | 395 | if (!EFI_ERROR(Status)) {\r |
396 | //\r | |
397 | // Enable the cursor to be visible\r | |
398 | //\r | |
399 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
a405b86d | 400 | \r |
3c865f20 | 401 | //\r |
402 | // If supporting EFI 1.1 we need to install HII protocol\r | |
403 | // only do this if PcdShellRequireHiiPlatform == FALSE\r | |
404 | //\r | |
405 | // remove EFI_UNSUPPORTED check above when complete.\r | |
406 | ///@todo add support for Framework HII\r | |
a405b86d | 407 | \r |
3c865f20 | 408 | //\r |
409 | // install our (solitary) HII package\r | |
410 | //\r | |
411 | ShellInfoObject.HiiHandle = HiiAddPackages (&gEfiCallerIdGuid, gImageHandle, ShellStrings, NULL);\r | |
a405b86d | 412 | if (ShellInfoObject.HiiHandle == NULL) {\r |
3c865f20 | 413 | if (PcdGetBool(PcdShellSupportFrameworkHii)) {\r |
414 | ///@todo Add our package into Framework HII\r | |
415 | }\r | |
416 | if (ShellInfoObject.HiiHandle == NULL) {\r | |
0477054b BJ |
417 | Status = EFI_NOT_STARTED;\r |
418 | goto FreeResources;\r | |
3c865f20 | 419 | }\r |
a405b86d | 420 | }\r |
a405b86d | 421 | \r |
3c865f20 | 422 | //\r |
423 | // create and install the EfiShellParametersProtocol\r | |
424 | //\r | |
425 | Status = CreatePopulateInstallShellParametersProtocol(&ShellInfoObject.NewShellParametersProtocol, &ShellInfoObject.RootShellInstance);\r | |
426 | ASSERT_EFI_ERROR(Status);\r | |
427 | ASSERT(ShellInfoObject.NewShellParametersProtocol != NULL);\r | |
a405b86d | 428 | \r |
3c865f20 | 429 | //\r |
430 | // create and install the EfiShellProtocol\r | |
431 | //\r | |
432 | Status = CreatePopulateInstallShellProtocol(&ShellInfoObject.NewEfiShellProtocol);\r | |
433 | ASSERT_EFI_ERROR(Status);\r | |
434 | ASSERT(ShellInfoObject.NewEfiShellProtocol != NULL);\r | |
a405b86d | 435 | \r |
3c865f20 | 436 | //\r |
437 | // Now initialize the shell library (it requires Shell Parameters protocol)\r | |
438 | //\r | |
439 | Status = ShellInitialize();\r | |
440 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 441 | \r |
3c865f20 | 442 | Status = CommandInit();\r |
443 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 444 | \r |
b62bb885 QS |
445 | Status = ShellInitEnvVarList ();\r |
446 | \r | |
3c865f20 | 447 | //\r |
448 | // Check the command line\r | |
449 | //\r | |
da92bf85 BJ |
450 | Status = ProcessCommandLine ();\r |
451 | if (EFI_ERROR (Status)) {\r | |
452 | goto FreeResources;\r | |
453 | }\r | |
a405b86d | 454 | \r |
3c865f20 | 455 | //\r |
456 | // If shell support level is >= 1 create the mappings and paths\r | |
457 | //\r | |
458 | if (PcdGet8(PcdShellSupportLevel) >= 1) {\r | |
459 | Status = ShellCommandCreateInitialMappingsAndPaths();\r | |
460 | }\r | |
a405b86d | 461 | \r |
dcbdb8bf QS |
462 | //\r |
463 | // Set the environment variable for nesting support\r | |
464 | //\r | |
465 | Size = 0;\r | |
466 | TempString = NULL;\r | |
467 | if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoNest) {\r | |
468 | //\r | |
469 | // No change. require nesting in Shell Protocol Execute()\r | |
470 | //\r | |
471 | StrnCatGrow(&TempString,\r | |
472 | &Size,\r | |
473 | L"False",\r | |
474 | 0);\r | |
475 | } else {\r | |
476 | StrnCatGrow(&TempString,\r | |
477 | &Size,\r | |
478 | mNoNestingTrue,\r | |
479 | 0);\r | |
480 | }\r | |
481 | Status = InternalEfiShellSetEnv(mNoNestingEnvVarName, TempString, TRUE);\r | |
482 | SHELL_FREE_NON_NULL(TempString);\r | |
483 | Size = 0;\r | |
484 | \r | |
3c865f20 | 485 | //\r |
486 | // save the device path for the loaded image and the device path for the filepath (under loaded image)\r | |
487 | // These are where to look for the startup.nsh file\r | |
488 | //\r | |
489 | Status = GetDevicePathsForImageAndFile(&ShellInfoObject.ImageDevPath, &ShellInfoObject.FileDevPath);\r | |
a405b86d | 490 | ASSERT_EFI_ERROR(Status);\r |
a405b86d | 491 | \r |
3c865f20 | 492 | //\r |
493 | // Display the version\r | |
494 | //\r | |
495 | if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion) {\r | |
496 | ShellPrintHiiEx (\r | |
497 | 0,\r | |
498 | gST->ConOut->Mode->CursorRow,\r | |
499 | NULL,\r | |
284e034f | 500 | STRING_TOKEN (STR_VER_OUTPUT_MAIN_SHELL),\r |
3c865f20 | 501 | ShellInfoObject.HiiHandle,\r |
502 | SupportLevel[PcdGet8(PcdShellSupportLevel)],\r | |
503 | gEfiShellProtocol->MajorVersion,\r | |
284e034f CP |
504 | gEfiShellProtocol->MinorVersion\r |
505 | );\r | |
506 | \r | |
507 | ShellPrintHiiEx (\r | |
508 | -1,\r | |
509 | -1,\r | |
510 | NULL,\r | |
511 | STRING_TOKEN (STR_VER_OUTPUT_MAIN_SUPPLIER),\r | |
512 | ShellInfoObject.HiiHandle,\r | |
513 | (CHAR16 *) PcdGetPtr (PcdShellSupplier)\r | |
514 | );\r | |
515 | \r | |
516 | ShellPrintHiiEx (\r | |
517 | -1,\r | |
518 | -1,\r | |
519 | NULL,\r | |
520 | STRING_TOKEN (STR_VER_OUTPUT_MAIN_UEFI),\r | |
521 | ShellInfoObject.HiiHandle,\r | |
3c865f20 | 522 | (gST->Hdr.Revision&0xffff0000)>>16,\r |
523 | (gST->Hdr.Revision&0x0000ffff),\r | |
524 | gST->FirmwareVendor,\r | |
525 | gST->FirmwareRevision\r | |
526 | );\r | |
527 | }\r | |
a405b86d | 528 | \r |
3c865f20 | 529 | //\r |
530 | // Display the mapping\r | |
531 | //\r | |
532 | if (PcdGet8(PcdShellSupportLevel) >= 2 && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap) {\r | |
a308e058 | 533 | Status = RunCommand(L"map");\r |
3c865f20 | 534 | ASSERT_EFI_ERROR(Status);\r |
535 | }\r | |
a405b86d | 536 | \r |
3c865f20 | 537 | //\r |
538 | // init all the built in alias'\r | |
539 | //\r | |
540 | Status = SetBuiltInAlias();\r | |
541 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 542 | \r |
3c865f20 | 543 | //\r |
544 | // Initialize environment variables\r | |
545 | //\r | |
546 | if (ShellCommandGetProfileList() != NULL) {\r | |
547 | Status = InternalEfiShellSetEnv(L"profiles", ShellCommandGetProfileList(), TRUE);\r | |
548 | ASSERT_EFI_ERROR(Status);\r | |
549 | }\r | |
a405b86d | 550 | \r |
3c865f20 | 551 | Size = 100;\r |
552 | TempString = AllocateZeroPool(Size);\r | |
a405b86d | 553 | \r |
3c865f20 | 554 | UnicodeSPrint(TempString, Size, L"%d", PcdGet8(PcdShellSupportLevel));\r |
555 | Status = InternalEfiShellSetEnv(L"uefishellsupport", TempString, TRUE);\r | |
556 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 557 | \r |
3c865f20 | 558 | UnicodeSPrint(TempString, Size, L"%d.%d", ShellInfoObject.NewEfiShellProtocol->MajorVersion, ShellInfoObject.NewEfiShellProtocol->MinorVersion);\r |
559 | Status = InternalEfiShellSetEnv(L"uefishellversion", TempString, TRUE);\r | |
560 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 561 | \r |
3c865f20 | 562 | UnicodeSPrint(TempString, Size, L"%d.%d", (gST->Hdr.Revision & 0xFFFF0000) >> 16, gST->Hdr.Revision & 0x0000FFFF);\r |
563 | Status = InternalEfiShellSetEnv(L"uefiversion", TempString, TRUE);\r | |
564 | ASSERT_EFI_ERROR(Status);\r | |
a405b86d | 565 | \r |
3c865f20 | 566 | FreePool(TempString);\r |
a405b86d | 567 | \r |
3c865f20 | 568 | if (!EFI_ERROR(Status)) {\r |
569 | if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt) {\r | |
a405b86d | 570 | //\r |
3c865f20 | 571 | // Set up the event for CTRL-C monitoring...\r |
a405b86d | 572 | //\r |
8be0ba36 | 573 | Status = InernalEfiShellStartMonitor();\r |
3c865f20 | 574 | }\r |
575 | \r | |
733f138d | 576 | if (!EFI_ERROR(Status) && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {\r |
577 | //\r | |
578 | // Set up the event for CTRL-S monitoring...\r | |
579 | //\r | |
580 | Status = InternalEfiShellStartCtrlSMonitor();\r | |
581 | }\r | |
582 | \r | |
a49f6a2f | 583 | if (!EFI_ERROR(Status) && ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {\r |
584 | //\r | |
585 | // close off the gST->ConIn\r | |
586 | //\r | |
587 | OldConIn = gST->ConIn;\r | |
588 | ConInHandle = gST->ConsoleInHandle;\r | |
589 | gST->ConIn = CreateSimpleTextInOnFile((SHELL_FILE_HANDLE)&FileInterfaceNulFile, &gST->ConsoleInHandle);\r | |
590 | } else {\r | |
591 | OldConIn = NULL;\r | |
592 | ConInHandle = NULL;\r | |
593 | }\r | |
594 | \r | |
3c865f20 | 595 | if (!EFI_ERROR(Status) && PcdGet8(PcdShellSupportLevel) >= 1) {\r |
a405b86d | 596 | //\r |
3c865f20 | 597 | // process the startup script or launch the called app.\r |
a405b86d | 598 | //\r |
a308e058 | 599 | Status = DoStartupScript(ShellInfoObject.ImageDevPath, ShellInfoObject.FileDevPath);\r |
3c865f20 | 600 | }\r |
a405b86d | 601 | \r |
ca79c798 | 602 | if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit && !ShellCommandGetExit() && (PcdGet8(PcdShellSupportLevel) >= 3 || PcdGetBool(PcdShellForceConsole)) && !EFI_ERROR(Status) && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {\r |
a405b86d | 603 | //\r |
3c865f20 | 604 | // begin the UI waiting loop\r |
a405b86d | 605 | //\r |
3c865f20 | 606 | do {\r |
607 | //\r | |
608 | // clean out all the memory allocated for CONST <something> * return values\r | |
609 | // between each shell prompt presentation\r | |
610 | //\r | |
611 | if (!IsListEmpty(&ShellInfoObject.BufferToFreeList.Link)){\r | |
612 | FreeBufferList(&ShellInfoObject.BufferToFreeList);\r | |
613 | }\r | |
614 | \r | |
615 | //\r | |
616 | // Reset page break back to default.\r | |
617 | //\r | |
618 | ShellInfoObject.PageBreakEnabled = PcdGetBool(PcdShellPageBreakDefault);\r | |
81cd2f53 | 619 | ASSERT (ShellInfoObject.ConsoleInfo != NULL);\r |
3c865f20 | 620 | ShellInfoObject.ConsoleInfo->Enabled = TRUE;\r |
621 | ShellInfoObject.ConsoleInfo->RowCounter = 0;\r | |
622 | \r | |
623 | //\r | |
624 | // Display Prompt\r | |
625 | //\r | |
626 | Status = DoShellPrompt();\r | |
627 | } while (!ShellCommandGetExit());\r | |
628 | }\r | |
a49f6a2f | 629 | if (OldConIn != NULL && ConInHandle != NULL) {\r |
630 | CloseSimpleTextInOnFile (gST->ConIn);\r | |
631 | gST->ConIn = OldConIn;\r | |
632 | gST->ConsoleInHandle = ConInHandle;\r | |
633 | }\r | |
a405b86d | 634 | }\r |
635 | }\r | |
3c865f20 | 636 | \r |
0477054b | 637 | FreeResources:\r |
a405b86d | 638 | //\r |
639 | // uninstall protocols / free memory / etc...\r | |
640 | //\r | |
641 | if (ShellInfoObject.UserBreakTimer != NULL) {\r | |
642 | gBS->CloseEvent(ShellInfoObject.UserBreakTimer);\r | |
643 | DEBUG_CODE(ShellInfoObject.UserBreakTimer = NULL;);\r | |
644 | }\r | |
a405b86d | 645 | if (ShellInfoObject.ImageDevPath != NULL) {\r |
646 | FreePool(ShellInfoObject.ImageDevPath);\r | |
647 | DEBUG_CODE(ShellInfoObject.ImageDevPath = NULL;);\r | |
648 | }\r | |
649 | if (ShellInfoObject.FileDevPath != NULL) {\r | |
650 | FreePool(ShellInfoObject.FileDevPath);\r | |
651 | DEBUG_CODE(ShellInfoObject.FileDevPath = NULL;);\r | |
652 | }\r | |
653 | if (ShellInfoObject.NewShellParametersProtocol != NULL) {\r | |
654 | CleanUpShellParametersProtocol(ShellInfoObject.NewShellParametersProtocol);\r | |
655 | DEBUG_CODE(ShellInfoObject.NewShellParametersProtocol = NULL;);\r | |
656 | }\r | |
657 | if (ShellInfoObject.NewEfiShellProtocol != NULL){\r | |
8be0ba36 | 658 | if (ShellInfoObject.NewEfiShellProtocol->IsRootShell()){\r |
92670471 | 659 | InternalEfiShellSetEnv(L"cwd", NULL, TRUE);\r |
8be0ba36 | 660 | }\r |
03140346 | 661 | CleanUpShellEnvironment (ShellInfoObject.NewEfiShellProtocol);\r |
a405b86d | 662 | DEBUG_CODE(ShellInfoObject.NewEfiShellProtocol = NULL;);\r |
663 | }\r | |
664 | \r | |
665 | if (!IsListEmpty(&ShellInfoObject.BufferToFreeList.Link)){\r | |
666 | FreeBufferList(&ShellInfoObject.BufferToFreeList);\r | |
667 | }\r | |
668 | \r | |
669 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)){\r | |
bd3fc813 MH |
670 | ASSERT(FALSE); ///@todo finish this de-allocation (free SplitStdIn/Out when needed).\r |
671 | \r | |
672 | for ( Split = (SPLIT_LIST*)GetFirstNode (&ShellInfoObject.SplitList.Link)\r | |
673 | ; !IsNull (&ShellInfoObject.SplitList.Link, &Split->Link)\r | |
674 | ; Split = (SPLIT_LIST *)GetNextNode (&ShellInfoObject.SplitList.Link, &Split->Link)\r | |
675 | ) {\r | |
676 | RemoveEntryList (&Split->Link);\r | |
677 | FreePool (Split);\r | |
678 | }\r | |
679 | \r | |
680 | DEBUG_CODE (InitializeListHead (&ShellInfoObject.SplitList.Link););\r | |
a405b86d | 681 | }\r |
682 | \r | |
683 | if (ShellInfoObject.ShellInitSettings.FileName != NULL) {\r | |
684 | FreePool(ShellInfoObject.ShellInitSettings.FileName);\r | |
685 | DEBUG_CODE(ShellInfoObject.ShellInitSettings.FileName = NULL;);\r | |
686 | }\r | |
687 | \r | |
688 | if (ShellInfoObject.ShellInitSettings.FileOptions != NULL) {\r | |
689 | FreePool(ShellInfoObject.ShellInitSettings.FileOptions);\r | |
690 | DEBUG_CODE(ShellInfoObject.ShellInitSettings.FileOptions = NULL;);\r | |
691 | }\r | |
692 | \r | |
693 | if (ShellInfoObject.HiiHandle != NULL) {\r | |
694 | HiiRemovePackages(ShellInfoObject.HiiHandle);\r | |
695 | DEBUG_CODE(ShellInfoObject.HiiHandle = NULL;);\r | |
696 | }\r | |
697 | \r | |
698 | if (!IsListEmpty(&ShellInfoObject.ViewingSettings.CommandHistory.Link)){\r | |
699 | FreeBufferList(&ShellInfoObject.ViewingSettings.CommandHistory);\r | |
700 | }\r | |
701 | \r | |
702 | ASSERT(ShellInfoObject.ConsoleInfo != NULL);\r | |
703 | if (ShellInfoObject.ConsoleInfo != NULL) {\r | |
704 | ConsoleLoggerUninstall(ShellInfoObject.ConsoleInfo);\r | |
705 | FreePool(ShellInfoObject.ConsoleInfo);\r | |
706 | DEBUG_CODE(ShellInfoObject.ConsoleInfo = NULL;);\r | |
707 | }\r | |
708 | \r | |
b62bb885 QS |
709 | ShellFreeEnvVarList ();\r |
710 | \r | |
a308e058 RN |
711 | if (ShellCommandGetExit()) {\r |
712 | return ((EFI_STATUS)ShellCommandGetExitCode());\r | |
b6b22b13 | 713 | }\r |
a308e058 | 714 | return (Status);\r |
a405b86d | 715 | }\r |
716 | \r | |
717 | /**\r | |
718 | Sets all the alias' that were registered with the ShellCommandLib library.\r | |
719 | \r | |
d08a5464 | 720 | @retval EFI_SUCCESS all init commands were run successfully.\r |
a405b86d | 721 | **/\r |
722 | EFI_STATUS\r | |
a405b86d | 723 | SetBuiltInAlias(\r |
e7275d3f | 724 | VOID\r |
a405b86d | 725 | )\r |
726 | {\r | |
727 | EFI_STATUS Status;\r | |
728 | CONST ALIAS_LIST *List;\r | |
729 | ALIAS_LIST *Node;\r | |
730 | \r | |
731 | //\r | |
732 | // Get all the commands we want to run\r | |
733 | //\r | |
734 | List = ShellCommandGetInitAliasList();\r | |
735 | \r | |
736 | //\r | |
737 | // for each command in the List\r | |
738 | //\r | |
739 | for ( Node = (ALIAS_LIST*)GetFirstNode(&List->Link)\r | |
740 | ; !IsNull (&List->Link, &Node->Link)\r | |
741 | ; Node = (ALIAS_LIST *)GetNextNode(&List->Link, &Node->Link)\r | |
742 | ){\r | |
743 | //\r | |
744 | // install the alias'\r | |
745 | //\r | |
746 | Status = InternalSetAlias(Node->CommandString, Node->Alias, TRUE);\r | |
747 | ASSERT_EFI_ERROR(Status);\r | |
748 | }\r | |
749 | return (EFI_SUCCESS);\r | |
750 | }\r | |
751 | \r | |
752 | /**\r | |
753 | Internal function to determine if 2 command names are really the same.\r | |
754 | \r | |
755 | @param[in] Command1 The pointer to the first command name.\r | |
756 | @param[in] Command2 The pointer to the second command name.\r | |
757 | \r | |
758 | @retval TRUE The 2 command names are the same.\r | |
759 | @retval FALSE The 2 command names are not the same.\r | |
760 | **/\r | |
761 | BOOLEAN\r | |
a405b86d | 762 | IsCommand(\r |
763 | IN CONST CHAR16 *Command1,\r | |
764 | IN CONST CHAR16 *Command2\r | |
765 | )\r | |
766 | {\r | |
767 | if (StringNoCaseCompare(&Command1, &Command2) == 0) {\r | |
768 | return (TRUE);\r | |
769 | }\r | |
770 | return (FALSE);\r | |
771 | }\r | |
772 | \r | |
773 | /**\r | |
774 | Internal function to determine if a command is a script only command.\r | |
775 | \r | |
776 | @param[in] CommandName The pointer to the command name.\r | |
777 | \r | |
778 | @retval TRUE The command is a script only command.\r | |
779 | @retval FALSE The command is not a script only command.\r | |
780 | **/\r | |
781 | BOOLEAN\r | |
a405b86d | 782 | IsScriptOnlyCommand(\r |
783 | IN CONST CHAR16 *CommandName\r | |
784 | )\r | |
785 | {\r | |
786 | if (IsCommand(CommandName, L"for")\r | |
787 | ||IsCommand(CommandName, L"endfor")\r | |
788 | ||IsCommand(CommandName, L"if")\r | |
789 | ||IsCommand(CommandName, L"else")\r | |
790 | ||IsCommand(CommandName, L"endif")\r | |
791 | ||IsCommand(CommandName, L"goto")) {\r | |
792 | return (TRUE);\r | |
793 | }\r | |
794 | return (FALSE);\r | |
795 | }\r | |
796 | \r | |
a405b86d | 797 | /**\r |
798 | This function will populate the 2 device path protocol parameters based on the\r | |
799 | global gImageHandle. The DevPath will point to the device path for the handle that has\r | |
800 | loaded image protocol installed on it. The FilePath will point to the device path\r | |
801 | for the file that was loaded.\r | |
802 | \r | |
d08a5464 JP |
803 | @param[in, out] DevPath On a successful return the device path to the loaded image.\r |
804 | @param[in, out] FilePath On a successful return the device path to the file.\r | |
a405b86d | 805 | \r |
d08a5464 | 806 | @retval EFI_SUCCESS The 2 device paths were successfully returned.\r |
a405b86d | 807 | @retval other A error from gBS->HandleProtocol.\r |
808 | \r | |
809 | @sa HandleProtocol\r | |
810 | **/\r | |
811 | EFI_STATUS\r | |
a405b86d | 812 | GetDevicePathsForImageAndFile (\r |
813 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevPath,\r | |
814 | IN OUT EFI_DEVICE_PATH_PROTOCOL **FilePath\r | |
815 | )\r | |
816 | {\r | |
817 | EFI_STATUS Status;\r | |
818 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
819 | EFI_DEVICE_PATH_PROTOCOL *ImageDevicePath;\r | |
820 | \r | |
821 | ASSERT(DevPath != NULL);\r | |
822 | ASSERT(FilePath != NULL);\r | |
823 | \r | |
824 | Status = gBS->OpenProtocol (\r | |
825 | gImageHandle,\r | |
826 | &gEfiLoadedImageProtocolGuid,\r | |
827 | (VOID**)&LoadedImage,\r | |
828 | gImageHandle,\r | |
829 | NULL,\r | |
830 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
831 | );\r | |
832 | if (!EFI_ERROR (Status)) {\r | |
833 | Status = gBS->OpenProtocol (\r | |
834 | LoadedImage->DeviceHandle,\r | |
835 | &gEfiDevicePathProtocolGuid,\r | |
836 | (VOID**)&ImageDevicePath,\r | |
837 | gImageHandle,\r | |
838 | NULL,\r | |
839 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
840 | );\r | |
841 | if (!EFI_ERROR (Status)) {\r | |
842 | *DevPath = DuplicateDevicePath (ImageDevicePath);\r | |
843 | *FilePath = DuplicateDevicePath (LoadedImage->FilePath);\r | |
a49f6a2f | 844 | gBS->CloseProtocol(\r |
845 | LoadedImage->DeviceHandle,\r | |
846 | &gEfiDevicePathProtocolGuid,\r | |
847 | gImageHandle,\r | |
848 | NULL);\r | |
a405b86d | 849 | }\r |
850 | gBS->CloseProtocol(\r | |
851 | gImageHandle,\r | |
852 | &gEfiLoadedImageProtocolGuid,\r | |
853 | gImageHandle,\r | |
854 | NULL);\r | |
855 | }\r | |
856 | return (Status);\r | |
857 | }\r | |
858 | \r | |
a405b86d | 859 | /**\r |
860 | Process all Uefi Shell 2.0 command line options.\r | |
861 | \r | |
862 | see Uefi Shell 2.0 section 3.2 for full details.\r | |
863 | \r | |
864 | the command line must resemble the following:\r | |
865 | \r | |
866 | shell.efi [ShellOpt-options] [options] [file-name [file-name-options]]\r | |
867 | \r | |
868 | ShellOpt-options Options which control the initialization behavior of the shell.\r | |
869 | These options are read from the EFI global variable "ShellOpt"\r | |
870 | and are processed before options or file-name.\r | |
871 | \r | |
872 | options Options which control the initialization behavior of the shell.\r | |
873 | \r | |
874 | file-name The name of a UEFI shell application or script to be executed\r | |
875 | after initialization is complete. By default, if file-name is\r | |
876 | specified, then -nostartup is implied. Scripts are not supported\r | |
877 | by level 0.\r | |
878 | \r | |
879 | file-name-options The command-line options that are passed to file-name when it\r | |
880 | is invoked.\r | |
881 | \r | |
882 | This will initialize the ShellInfoObject.ShellInitSettings global variable.\r | |
883 | \r | |
884 | @retval EFI_SUCCESS The variable is initialized.\r | |
885 | **/\r | |
886 | EFI_STATUS\r | |
a405b86d | 887 | ProcessCommandLine(\r |
888 | VOID\r | |
889 | )\r | |
890 | {\r | |
23385d63 BJ |
891 | UINTN Size;\r |
892 | UINTN LoopVar;\r | |
893 | CHAR16 *CurrentArg;\r | |
894 | CHAR16 *DelayValueStr;\r | |
895 | UINT64 DelayValue;\r | |
896 | EFI_STATUS Status;\r | |
897 | EFI_UNICODE_COLLATION_PROTOCOL *UnicodeCollation;\r | |
898 | \r | |
899 | // `file-name-options` will contain arguments to `file-name` that we don't\r | |
900 | // know about. This would cause ShellCommandLineParse to error, so we parse\r | |
901 | // arguments manually, ignoring those after the first thing that doesn't look\r | |
902 | // like a shell option (which is assumed to be `file-name`).\r | |
903 | \r | |
904 | Status = gBS->LocateProtocol (\r | |
f3a51e98 | 905 | &gEfiUnicodeCollation2ProtocolGuid,\r |
23385d63 BJ |
906 | NULL,\r |
907 | (VOID **) &UnicodeCollation\r | |
908 | );\r | |
909 | if (EFI_ERROR (Status)) {\r | |
f3a51e98 MH |
910 | Status = gBS->LocateProtocol (\r |
911 | &gEfiUnicodeCollationProtocolGuid,\r | |
912 | NULL,\r | |
913 | (VOID **) &UnicodeCollation\r | |
914 | );\r | |
915 | if (EFI_ERROR (Status)) {\r | |
916 | return Status;\r | |
917 | }\r | |
23385d63 BJ |
918 | }\r |
919 | \r | |
920 | // Set default options\r | |
921 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup = FALSE;\r | |
922 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = FALSE;\r | |
923 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleOut = FALSE;\r | |
924 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn = FALSE;\r | |
925 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt = FALSE;\r | |
926 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap = FALSE;\r | |
927 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion = FALSE;\r | |
928 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Delay = FALSE;\r | |
929 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit = FALSE;\r | |
dcbdb8bf | 930 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoNest = FALSE;\r |
23385d63 BJ |
931 | ShellInfoObject.ShellInitSettings.Delay = 5;\r |
932 | \r | |
e9d19a80 CP |
933 | //\r |
934 | // Start LoopVar at 0 to parse only optional arguments at Argv[0]\r | |
935 | // and parse other parameters from Argv[1]. This is for use case that\r | |
936 | // UEFI Shell boot option is created, and OptionalData is provided\r | |
937 | // that starts with shell command-line options.\r | |
938 | //\r | |
939 | for (LoopVar = 0 ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {\r | |
23385d63 BJ |
940 | CurrentArg = gEfiShellParametersProtocol->Argv[LoopVar];\r |
941 | if (UnicodeCollation->StriColl (\r | |
942 | UnicodeCollation,\r | |
943 | L"-startup",\r | |
944 | CurrentArg\r | |
945 | ) == 0) {\r | |
946 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup = TRUE;\r | |
3c865f20 | 947 | }\r |
23385d63 BJ |
948 | else if (UnicodeCollation->StriColl (\r |
949 | UnicodeCollation,\r | |
950 | L"-nostartup",\r | |
951 | CurrentArg\r | |
952 | ) == 0) {\r | |
953 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = TRUE;\r | |
954 | }\r | |
955 | else if (UnicodeCollation->StriColl (\r | |
956 | UnicodeCollation,\r | |
957 | L"-noconsoleout",\r | |
958 | CurrentArg\r | |
959 | ) == 0) {\r | |
960 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleOut = TRUE;\r | |
961 | }\r | |
962 | else if (UnicodeCollation->StriColl (\r | |
963 | UnicodeCollation,\r | |
964 | L"-noconsolein",\r | |
965 | CurrentArg\r | |
966 | ) == 0) {\r | |
967 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn = TRUE;\r | |
968 | }\r | |
969 | else if (UnicodeCollation->StriColl (\r | |
970 | UnicodeCollation,\r | |
971 | L"-nointerrupt",\r | |
972 | CurrentArg\r | |
973 | ) == 0) {\r | |
974 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt = TRUE;\r | |
975 | }\r | |
976 | else if (UnicodeCollation->StriColl (\r | |
977 | UnicodeCollation,\r | |
978 | L"-nomap",\r | |
979 | CurrentArg\r | |
980 | ) == 0) {\r | |
981 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap = TRUE;\r | |
982 | }\r | |
983 | else if (UnicodeCollation->StriColl (\r | |
984 | UnicodeCollation,\r | |
985 | L"-noversion",\r | |
986 | CurrentArg\r | |
987 | ) == 0) {\r | |
988 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion = TRUE;\r | |
989 | }\r | |
dcbdb8bf QS |
990 | else if (UnicodeCollation->StriColl (\r |
991 | UnicodeCollation,\r | |
992 | L"-nonest",\r | |
993 | CurrentArg\r | |
994 | ) == 0) {\r | |
995 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoNest = TRUE;\r | |
996 | }\r | |
23385d63 BJ |
997 | else if (UnicodeCollation->StriColl (\r |
998 | UnicodeCollation,\r | |
999 | L"-delay",\r | |
1000 | CurrentArg\r | |
1001 | ) == 0) {\r | |
1002 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Delay = TRUE;\r | |
1003 | // Check for optional delay value following "-delay"\r | |
1004 | DelayValueStr = gEfiShellParametersProtocol->Argv[LoopVar + 1];\r | |
1005 | if (DelayValueStr != NULL){\r | |
1006 | if (*DelayValueStr == L':') {\r | |
1007 | DelayValueStr++;\r | |
1008 | }\r | |
1009 | if (!EFI_ERROR(ShellConvertStringToUint64 (\r | |
1010 | DelayValueStr,\r | |
1011 | &DelayValue,\r | |
1012 | FALSE,\r | |
1013 | FALSE\r | |
1014 | ))) {\r | |
1015 | ShellInfoObject.ShellInitSettings.Delay = (UINTN)DelayValue;\r | |
1016 | LoopVar++;\r | |
1017 | }\r | |
1018 | }\r | |
1019 | } else if (UnicodeCollation->StriColl (\r | |
1020 | UnicodeCollation,\r | |
6ca29fa3 | 1021 | L"-exit",\r |
23385d63 BJ |
1022 | CurrentArg\r |
1023 | ) == 0) {\r | |
1024 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit = TRUE;\r | |
1025 | } else if (StrnCmp (L"-", CurrentArg, 1) == 0) {\r | |
d08a5464 | 1026 | // Unrecognized option\r |
23385d63 BJ |
1027 | ShellPrintHiiEx(-1, -1, NULL,\r |
1028 | STRING_TOKEN (STR_GEN_PROBLEM),\r | |
1029 | ShellInfoObject.HiiHandle,\r | |
1030 | CurrentArg\r | |
1031 | );\r | |
1032 | return EFI_INVALID_PARAMETER;\r | |
1033 | } else {\r | |
e9d19a80 CP |
1034 | //\r |
1035 | // First argument should be Shell.efi image name\r | |
1036 | //\r | |
1037 | if (LoopVar == 0) {\r | |
1038 | continue;\r | |
1039 | }\r | |
1040 | \r | |
e044364b MK |
1041 | ShellInfoObject.ShellInitSettings.FileName = NULL;\r |
1042 | Size = 0;\r | |
1043 | //\r | |
1044 | // If first argument contains a space, then add double quotes before the argument\r | |
1045 | //\r | |
1046 | if (StrStr (CurrentArg, L" ") != NULL) {\r | |
1047 | StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileName, &Size, L"\"", 0);\r | |
1048 | if (ShellInfoObject.ShellInitSettings.FileName == NULL) {\r | |
1049 | return (EFI_OUT_OF_RESOURCES);\r | |
1050 | }\r | |
1051 | }\r | |
1052 | StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileName, &Size, CurrentArg, 0);\r | |
23385d63 BJ |
1053 | if (ShellInfoObject.ShellInitSettings.FileName == NULL) {\r |
1054 | return (EFI_OUT_OF_RESOURCES);\r | |
1055 | }\r | |
1056 | //\r | |
e044364b MK |
1057 | // If first argument contains a space, then add double quotes after the argument\r |
1058 | //\r | |
1059 | if (StrStr (CurrentArg, L" ") != NULL) {\r | |
1060 | StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileName, &Size, L"\"", 0);\r | |
1061 | if (ShellInfoObject.ShellInitSettings.FileName == NULL) {\r | |
1062 | return (EFI_OUT_OF_RESOURCES);\r | |
1063 | }\r | |
1064 | }\r | |
1065 | //\r | |
23385d63 BJ |
1066 | // We found `file-name`.\r |
1067 | //\r | |
1068 | ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = 1;\r | |
23385d63 BJ |
1069 | LoopVar++;\r |
1070 | \r | |
1071 | // Add `file-name-options`\r | |
ba71f790 | 1072 | for (Size = 0 ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {\r |
23385d63 | 1073 | ASSERT((ShellInfoObject.ShellInitSettings.FileOptions == NULL && Size == 0) || (ShellInfoObject.ShellInitSettings.FileOptions != NULL));\r |
e044364b MK |
1074 | //\r |
1075 | // Add a space between arguments\r | |
1076 | //\r | |
1077 | if (ShellInfoObject.ShellInitSettings.FileOptions != NULL) {\r | |
1078 | StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions, &Size, L" ", 0);\r | |
1079 | if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {\r | |
1080 | SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);\r | |
1081 | return (EFI_OUT_OF_RESOURCES);\r | |
1082 | }\r | |
1083 | }\r | |
1084 | //\r | |
1085 | // If an argumnent contains a space, then add double quotes before the argument\r | |
1086 | //\r | |
1087 | if (StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L" ") != NULL) {\r | |
1088 | StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions,\r | |
1089 | &Size,\r | |
1090 | L"\"",\r | |
1091 | 0);\r | |
1092 | if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {\r | |
1093 | SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);\r | |
1094 | return (EFI_OUT_OF_RESOURCES);\r | |
1095 | }\r | |
23385d63 BJ |
1096 | }\r |
1097 | StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions,\r | |
1098 | &Size,\r | |
1099 | gEfiShellParametersProtocol->Argv[LoopVar],\r | |
1100 | 0);\r | |
1101 | if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {\r | |
1102 | SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);\r | |
1103 | return (EFI_OUT_OF_RESOURCES);\r | |
a405b86d | 1104 | }\r |
e044364b MK |
1105 | //\r |
1106 | // If an argumnent contains a space, then add double quotes after the argument\r | |
1107 | //\r | |
1108 | if (StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L" ") != NULL) {\r | |
1109 | StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions,\r | |
1110 | &Size,\r | |
1111 | L"\"",\r | |
1112 | 0);\r | |
1113 | if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {\r | |
1114 | SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);\r | |
1115 | return (EFI_OUT_OF_RESOURCES);\r | |
1116 | }\r | |
1117 | }\r | |
a405b86d | 1118 | }\r |
a405b86d | 1119 | }\r |
1120 | }\r | |
1121 | \r | |
23385d63 | 1122 | // "-nointerrupt" overrides "-delay"\r |
733f138d | 1123 | if (ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt) {\r |
1124 | ShellInfoObject.ShellInitSettings.Delay = 0;\r | |
a405b86d | 1125 | }\r |
a405b86d | 1126 | \r |
23385d63 | 1127 | return EFI_SUCCESS;\r |
a405b86d | 1128 | }\r |
1129 | \r | |
aaf51f08 CC |
1130 | /**\r |
1131 | Function try to find location of the Startup.nsh file.\r | |
1132 | \r | |
1133 | The buffer is callee allocated and should be freed by the caller.\r | |
1134 | \r | |
3efa3f3d DB |
1135 | @param ImageDevicePath The path to the image for shell. first place to look for the startup script\r |
1136 | @param FileDevicePath The path to the file for shell. second place to look for the startup script.\r | |
aaf51f08 CC |
1137 | \r |
1138 | @retval NULL No Startup.nsh file was found.\r | |
1139 | @return !=NULL Pointer to NULL-terminated path.\r | |
1140 | **/\r | |
1141 | CHAR16 *\r | |
1142 | LocateStartupScript (\r | |
1143 | IN EFI_DEVICE_PATH_PROTOCOL *ImageDevicePath,\r | |
1144 | IN EFI_DEVICE_PATH_PROTOCOL *FileDevicePath\r | |
1145 | )\r | |
1146 | {\r | |
1147 | CHAR16 *StartupScriptPath;\r | |
1148 | CHAR16 *TempSpot;\r | |
1149 | CONST CHAR16 *MapName;\r | |
1150 | UINTN Size;\r | |
1151 | \r | |
1152 | StartupScriptPath = NULL;\r | |
1153 | Size = 0;\r | |
1154 | \r | |
1155 | //\r | |
1156 | // Try to find 'Startup.nsh' in the directory where the shell itself was launched.\r | |
1157 | //\r | |
1158 | MapName = ShellInfoObject.NewEfiShellProtocol->GetMapFromDevicePath (&ImageDevicePath);\r | |
1159 | if (MapName != NULL) { \r | |
1160 | StartupScriptPath = StrnCatGrow (&StartupScriptPath, &Size, MapName, 0);\r | |
15de94cf RN |
1161 | if (StartupScriptPath == NULL) {\r |
1162 | //\r | |
1163 | // Do not locate the startup script in sys path when out of resource.\r | |
1164 | //\r | |
1165 | return NULL;\r | |
1166 | }\r | |
aaf51f08 CC |
1167 | TempSpot = StrStr (StartupScriptPath, L";");\r |
1168 | if (TempSpot != NULL) {\r | |
1169 | *TempSpot = CHAR_NULL;\r | |
1170 | }\r | |
1171 | \r | |
1172 | StartupScriptPath = StrnCatGrow (&StartupScriptPath, &Size, ((FILEPATH_DEVICE_PATH *)FileDevicePath)->PathName, 0);\r | |
1173 | PathRemoveLastItem (StartupScriptPath);\r | |
1174 | StartupScriptPath = StrnCatGrow (&StartupScriptPath, &Size, mStartupScript, 0);\r | |
1175 | }\r | |
1176 | \r | |
1177 | //\r | |
1178 | // Try to find 'Startup.nsh' in the execution path defined by the envrionment variable PATH.\r | |
1179 | //\r | |
1180 | if ((StartupScriptPath == NULL) || EFI_ERROR (ShellIsFile (StartupScriptPath))) {\r | |
1181 | SHELL_FREE_NON_NULL (StartupScriptPath);\r | |
1182 | StartupScriptPath = ShellFindFilePath (mStartupScript);\r | |
1183 | }\r | |
1184 | \r | |
1185 | return StartupScriptPath;\r | |
1186 | }\r | |
1187 | \r | |
a405b86d | 1188 | /**\r |
1189 | Handles all interaction with the default startup script.\r | |
1190 | \r | |
1191 | this will check that the correct command line parameters were passed, handle the delay, and then start running the script.\r | |
1192 | \r | |
1193 | @param ImagePath the path to the image for shell. first place to look for the startup script\r | |
1194 | @param FilePath the path to the file for shell. second place to look for the startup script.\r | |
1195 | \r | |
1196 | @retval EFI_SUCCESS the variable is initialized.\r | |
1197 | **/\r | |
1198 | EFI_STATUS\r | |
a405b86d | 1199 | DoStartupScript(\r |
a308e058 RN |
1200 | IN EFI_DEVICE_PATH_PROTOCOL *ImagePath,\r |
1201 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath\r | |
a405b86d | 1202 | )\r |
1203 | {\r | |
1204 | EFI_STATUS Status;\r | |
490ce43d | 1205 | EFI_STATUS CalleeStatus;\r |
a405b86d | 1206 | UINTN Delay;\r |
1207 | EFI_INPUT_KEY Key;\r | |
a405b86d | 1208 | CHAR16 *FileStringPath;\r |
1209 | UINTN NewSize;\r | |
1210 | \r | |
1211 | Key.UnicodeChar = CHAR_NULL;\r | |
1212 | Key.ScanCode = 0;\r | |
a405b86d | 1213 | \r |
1214 | if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup && ShellInfoObject.ShellInitSettings.FileName != NULL) {\r | |
1215 | //\r | |
1216 | // launch something else instead\r | |
1217 | //\r | |
1218 | NewSize = StrSize(ShellInfoObject.ShellInitSettings.FileName);\r | |
1219 | if (ShellInfoObject.ShellInitSettings.FileOptions != NULL) {\r | |
1220 | NewSize += StrSize(ShellInfoObject.ShellInitSettings.FileOptions) + sizeof(CHAR16);\r | |
1221 | }\r | |
1222 | FileStringPath = AllocateZeroPool(NewSize);\r | |
3c865f20 | 1223 | if (FileStringPath == NULL) {\r |
1224 | return (EFI_OUT_OF_RESOURCES);\r | |
1225 | }\r | |
e75390f0 | 1226 | StrCpyS(FileStringPath, NewSize/sizeof(CHAR16), ShellInfoObject.ShellInitSettings.FileName);\r |
a405b86d | 1227 | if (ShellInfoObject.ShellInitSettings.FileOptions != NULL) {\r |
e75390f0 QS |
1228 | StrnCatS(FileStringPath, NewSize/sizeof(CHAR16), L" ", NewSize/sizeof(CHAR16) - StrLen(FileStringPath) -1);\r |
1229 | StrnCatS(FileStringPath, NewSize/sizeof(CHAR16), ShellInfoObject.ShellInitSettings.FileOptions, NewSize/sizeof(CHAR16) - StrLen(FileStringPath) -1);\r | |
a405b86d | 1230 | }\r |
490ce43d QS |
1231 | Status = RunShellCommand(FileStringPath, &CalleeStatus);\r |
1232 | if (ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit == TRUE) {\r | |
01e3a976 | 1233 | ShellCommandRegisterExit(gEfiShellProtocol->BatchIsActive(), (UINT64)CalleeStatus);\r |
490ce43d | 1234 | }\r |
a405b86d | 1235 | FreePool(FileStringPath);\r |
1236 | return (Status);\r | |
1237 | \r | |
1238 | }\r | |
1239 | \r | |
1240 | //\r | |
1241 | // for shell level 0 we do no scripts\r | |
1242 | // Without the Startup bit overriding we allow for nostartup to prevent scripts\r | |
1243 | //\r | |
1244 | if ( (PcdGet8(PcdShellSupportLevel) < 1)\r | |
1245 | || (ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup)\r | |
1246 | ){\r | |
1247 | return (EFI_SUCCESS);\r | |
1248 | }\r | |
1249 | \r | |
5559a41a | 1250 | gST->ConOut->EnableCursor(gST->ConOut, FALSE);\r |
a405b86d | 1251 | //\r |
1252 | // print out our warning and see if they press a key\r | |
1253 | //\r | |
284e034f | 1254 | for ( Status = EFI_UNSUPPORTED, Delay = ShellInfoObject.ShellInitSettings.Delay\r |
733f138d | 1255 | ; Delay != 0 && EFI_ERROR(Status)\r |
a405b86d | 1256 | ; Delay--\r |
1257 | ){\r | |
284e034f CP |
1258 | ShellPrintHiiEx(0, gST->ConOut->Mode->CursorRow, NULL, STRING_TOKEN (STR_SHELL_STARTUP_QUESTION), ShellInfoObject.HiiHandle, Delay);\r |
1259 | gBS->Stall (1000000);\r | |
733f138d | 1260 | if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {\r |
1261 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r | |
1262 | }\r | |
a405b86d | 1263 | }\r |
1264 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CRLF), ShellInfoObject.HiiHandle);\r | |
5559a41a | 1265 | gST->ConOut->EnableCursor(gST->ConOut, TRUE);\r |
a405b86d | 1266 | \r |
1267 | //\r | |
1268 | // ESC was pressed\r | |
1269 | //\r | |
1270 | if (Status == EFI_SUCCESS && Key.UnicodeChar == 0 && Key.ScanCode == SCAN_ESC) {\r | |
1271 | return (EFI_SUCCESS);\r | |
1272 | }\r | |
1273 | \r | |
aaf51f08 CC |
1274 | FileStringPath = LocateStartupScript (ImagePath, FilePath);\r |
1275 | if (FileStringPath != NULL) {\r | |
1276 | Status = RunScriptFile (FileStringPath, NULL, L"", ShellInfoObject.NewShellParametersProtocol);\r | |
1277 | FreePool (FileStringPath);\r | |
35b523c2 RN |
1278 | } else {\r |
1279 | //\r | |
1280 | // we return success since startup script is not mandatory.\r | |
1281 | //\r | |
1282 | Status = EFI_SUCCESS;\r | |
a405b86d | 1283 | }\r |
1284 | \r | |
a405b86d | 1285 | return (Status);\r |
1286 | }\r | |
1287 | \r | |
1288 | /**\r | |
1289 | Function to perform the shell prompt looping. It will do a single prompt,\r | |
1290 | dispatch the result, and then return. It is expected that the caller will\r | |
1291 | call this function in a loop many times.\r | |
1292 | \r | |
1293 | @retval EFI_SUCCESS\r | |
1294 | @retval RETURN_ABORTED\r | |
1295 | **/\r | |
1296 | EFI_STATUS\r | |
a405b86d | 1297 | DoShellPrompt (\r |
1298 | VOID\r | |
1299 | )\r | |
1300 | {\r | |
1301 | UINTN Column;\r | |
1302 | UINTN Row;\r | |
1303 | CHAR16 *CmdLine;\r | |
1304 | CONST CHAR16 *CurDir;\r | |
1305 | UINTN BufferSize;\r | |
1306 | EFI_STATUS Status;\r | |
594e780b | 1307 | LIST_ENTRY OldBufferList;\r |
a405b86d | 1308 | \r |
1309 | CurDir = NULL;\r | |
1310 | \r | |
1311 | //\r | |
1312 | // Get screen setting to decide size of the command line buffer\r | |
1313 | //\r | |
1314 | gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &Column, &Row);\r | |
1315 | BufferSize = Column * Row * sizeof (CHAR16);\r | |
1316 | CmdLine = AllocateZeroPool (BufferSize);\r | |
1317 | if (CmdLine == NULL) {\r | |
1318 | return EFI_OUT_OF_RESOURCES;\r | |
1319 | }\r | |
1320 | \r | |
594e780b | 1321 | SaveBufferList(&OldBufferList);\r |
a405b86d | 1322 | CurDir = ShellInfoObject.NewEfiShellProtocol->GetEnv(L"cwd");\r |
1323 | \r | |
1324 | //\r | |
1325 | // Prompt for input\r | |
1326 | //\r | |
1327 | gST->ConOut->SetCursorPosition (gST->ConOut, 0, gST->ConOut->Mode->CursorRow);\r | |
1328 | \r | |
1329 | if (CurDir != NULL && StrLen(CurDir) > 1) {\r | |
1330 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CURDIR), ShellInfoObject.HiiHandle, CurDir);\r | |
1331 | } else {\r | |
1332 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_SHELL), ShellInfoObject.HiiHandle);\r | |
1333 | }\r | |
1334 | \r | |
1335 | //\r | |
1336 | // Read a line from the console\r | |
1337 | //\r | |
1338 | Status = ShellInfoObject.NewEfiShellProtocol->ReadFile(ShellInfoObject.NewShellParametersProtocol->StdIn, &BufferSize, CmdLine);\r | |
1339 | \r | |
1340 | //\r | |
1341 | // Null terminate the string and parse it\r | |
1342 | //\r | |
1343 | if (!EFI_ERROR (Status)) {\r | |
0c83ac57 RN |
1344 | //\r |
1345 | // Reset the CTRL-C event just before running the command (yes we ignore the return values)\r | |
1346 | //\r | |
1347 | Status = gBS->CheckEvent (ShellInfoObject.NewEfiShellProtocol->ExecutionBreak);\r | |
1348 | \r | |
a405b86d | 1349 | CmdLine[BufferSize / sizeof (CHAR16)] = CHAR_NULL;\r |
a308e058 | 1350 | Status = RunCommand(CmdLine);\r |
0c83ac57 | 1351 | }\r |
a405b86d | 1352 | \r |
1353 | //\r | |
1354 | // Done with this command\r | |
1355 | //\r | |
594e780b | 1356 | RestoreBufferList(&OldBufferList);\r |
a405b86d | 1357 | FreePool (CmdLine);\r |
1358 | return Status;\r | |
1359 | }\r | |
1360 | \r | |
1361 | /**\r | |
1362 | Add a buffer to the Buffer To Free List for safely returning buffers to other\r | |
1363 | places without risking letting them modify internal shell information.\r | |
1364 | \r | |
1365 | @param Buffer Something to pass to FreePool when the shell is exiting.\r | |
1366 | **/\r | |
1367 | VOID*\r | |
b2c036a7 | 1368 | AddBufferToFreeList (\r |
a405b86d | 1369 | VOID *Buffer\r |
1370 | )\r | |
1371 | {\r | |
1372 | BUFFER_LIST *BufferListEntry;\r | |
1373 | \r | |
1374 | if (Buffer == NULL) {\r | |
1375 | return (NULL);\r | |
1376 | }\r | |
1377 | \r | |
b2c036a7 RN |
1378 | BufferListEntry = AllocateZeroPool (sizeof (BUFFER_LIST));\r |
1379 | if (BufferListEntry == NULL) {\r | |
1380 | return NULL;\r | |
1381 | }\r | |
1382 | \r | |
a405b86d | 1383 | BufferListEntry->Buffer = Buffer;\r |
b2c036a7 | 1384 | InsertTailList (&ShellInfoObject.BufferToFreeList.Link, &BufferListEntry->Link);\r |
a405b86d | 1385 | return (Buffer);\r |
1386 | }\r | |
1387 | \r | |
14810d6b QS |
1388 | \r |
1389 | /**\r | |
1390 | Create a new buffer list and stores the old one to OldBufferList \r | |
1391 | \r | |
1392 | @param OldBufferList The temporary list head used to store the nodes in BufferToFreeList.\r | |
1393 | **/\r | |
1394 | VOID\r | |
1395 | SaveBufferList (\r | |
1396 | OUT LIST_ENTRY *OldBufferList\r | |
1397 | )\r | |
1398 | {\r | |
1399 | CopyMem (OldBufferList, &ShellInfoObject.BufferToFreeList.Link, sizeof (LIST_ENTRY));\r | |
1400 | InitializeListHead (&ShellInfoObject.BufferToFreeList.Link);\r | |
1401 | }\r | |
1402 | \r | |
1403 | /**\r | |
1404 | Restore previous nodes into BufferToFreeList .\r | |
1405 | \r | |
1406 | @param OldBufferList The temporary list head used to store the nodes in BufferToFreeList.\r | |
1407 | **/\r | |
1408 | VOID\r | |
1409 | RestoreBufferList (\r | |
1410 | IN OUT LIST_ENTRY *OldBufferList\r | |
1411 | )\r | |
1412 | {\r | |
1413 | FreeBufferList (&ShellInfoObject.BufferToFreeList);\r | |
1414 | CopyMem (&ShellInfoObject.BufferToFreeList.Link, OldBufferList, sizeof (LIST_ENTRY));\r | |
1415 | }\r | |
1416 | \r | |
1417 | \r | |
a405b86d | 1418 | /**\r |
1419 | Add a buffer to the Line History List\r | |
1420 | \r | |
1421 | @param Buffer The line buffer to add.\r | |
1422 | **/\r | |
1423 | VOID\r | |
a405b86d | 1424 | AddLineToCommandHistory(\r |
1425 | IN CONST CHAR16 *Buffer\r | |
1426 | )\r | |
1427 | {\r | |
1428 | BUFFER_LIST *Node;\r | |
a4f138a4 QS |
1429 | BUFFER_LIST *Walker;\r |
1430 | UINT16 MaxHistoryCmdCount;\r | |
1431 | UINT16 Count;\r | |
dcbdb8bf | 1432 | \r |
a4f138a4 QS |
1433 | Count = 0;\r |
1434 | MaxHistoryCmdCount = PcdGet16(PcdShellMaxHistoryCommandCount);\r | |
1435 | \r | |
1436 | if (MaxHistoryCmdCount == 0) {\r | |
1437 | return ;\r | |
1438 | }\r | |
1439 | \r | |
a405b86d | 1440 | \r |
1441 | Node = AllocateZeroPool(sizeof(BUFFER_LIST));\r | |
b2c036a7 RN |
1442 | if (Node == NULL) {\r |
1443 | return;\r | |
1444 | }\r | |
1445 | \r | |
1446 | Node->Buffer = AllocateCopyPool (StrSize (Buffer), Buffer);\r | |
1447 | if (Node->Buffer == NULL) {\r | |
1448 | FreePool (Node);\r | |
1449 | return;\r | |
1450 | }\r | |
a405b86d | 1451 | \r |
a4f138a4 QS |
1452 | for ( Walker = (BUFFER_LIST*)GetFirstNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link)\r |
1453 | ; !IsNull(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &Walker->Link)\r | |
1454 | ; Walker = (BUFFER_LIST*)GetNextNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &Walker->Link)\r | |
1455 | ){\r | |
1456 | Count++;\r | |
1457 | }\r | |
1458 | if (Count < MaxHistoryCmdCount){\r | |
1459 | InsertTailList(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &Node->Link);\r | |
1460 | } else {\r | |
1461 | Walker = (BUFFER_LIST*)GetFirstNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link);\r | |
1462 | RemoveEntryList(&Walker->Link);\r | |
1463 | if (Walker->Buffer != NULL) {\r | |
1464 | FreePool(Walker->Buffer);\r | |
1465 | }\r | |
1466 | FreePool(Walker);\r | |
1467 | InsertTailList(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &Node->Link);\r | |
1468 | }\r | |
a405b86d | 1469 | }\r |
1470 | \r | |
1471 | /**\r | |
1472 | Checks if a string is an alias for another command. If yes, then it replaces the alias name\r | |
1473 | with the correct command name.\r | |
1474 | \r | |
4ff7e37b ED |
1475 | @param[in, out] CommandString Upon entry the potential alias. Upon return the\r |
1476 | command name if it was an alias. If it was not\r | |
1477 | an alias it will be unchanged. This function may\r | |
1478 | change the buffer to fit the command name.\r | |
a405b86d | 1479 | \r |
1480 | @retval EFI_SUCCESS The name was changed.\r | |
1481 | @retval EFI_SUCCESS The name was not an alias.\r | |
1482 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1483 | **/\r | |
1484 | EFI_STATUS\r | |
a405b86d | 1485 | ShellConvertAlias(\r |
1486 | IN OUT CHAR16 **CommandString\r | |
1487 | )\r | |
1488 | {\r | |
1489 | CONST CHAR16 *NewString;\r | |
1490 | \r | |
1491 | NewString = ShellInfoObject.NewEfiShellProtocol->GetAlias(*CommandString, NULL);\r | |
1492 | if (NewString == NULL) {\r | |
1493 | return (EFI_SUCCESS);\r | |
1494 | }\r | |
1495 | FreePool(*CommandString);\r | |
7f79b01e | 1496 | *CommandString = AllocateCopyPool(StrSize(NewString), NewString);\r |
a405b86d | 1497 | if (*CommandString == NULL) {\r |
1498 | return (EFI_OUT_OF_RESOURCES);\r | |
1499 | }\r | |
a405b86d | 1500 | return (EFI_SUCCESS);\r |
1501 | }\r | |
1502 | \r | |
d5b5440b JC |
1503 | /**\r |
1504 | This function will eliminate unreplaced (and therefore non-found) environment variables.\r | |
1505 | \r | |
1506 | @param[in,out] CmdLine The command line to update.\r | |
1507 | **/\r | |
1508 | EFI_STATUS\r | |
d5b5440b JC |
1509 | StripUnreplacedEnvironmentVariables(\r |
1510 | IN OUT CHAR16 *CmdLine\r | |
1511 | )\r | |
1512 | {\r | |
1513 | CHAR16 *FirstPercent;\r | |
1514 | CHAR16 *FirstQuote;\r | |
1515 | CHAR16 *SecondPercent;\r | |
1516 | CHAR16 *SecondQuote;\r | |
1517 | CHAR16 *CurrentLocator;\r | |
1518 | \r | |
1519 | for (CurrentLocator = CmdLine ; CurrentLocator != NULL ; ) {\r | |
a95cf8f0 JC |
1520 | FirstQuote = FindNextInstance(CurrentLocator, L"\"", TRUE);\r |
1521 | FirstPercent = FindNextInstance(CurrentLocator, L"%", TRUE);\r | |
1522 | SecondPercent = FirstPercent!=NULL?FindNextInstance(FirstPercent+1, L"%", TRUE):NULL;\r | |
d5b5440b JC |
1523 | if (FirstPercent == NULL || SecondPercent == NULL) {\r |
1524 | //\r | |
d08a5464 | 1525 | // If we ever don't have 2 % we are done.\r |
d5b5440b JC |
1526 | //\r |
1527 | break;\r | |
1528 | }\r | |
1529 | \r | |
fdd52bde | 1530 | if (FirstQuote!= NULL && FirstQuote < FirstPercent) {\r |
a95cf8f0 | 1531 | SecondQuote = FindNextInstance(FirstQuote+1, L"\"", TRUE);\r |
d5b5440b JC |
1532 | //\r |
1533 | // Quote is first found\r | |
1534 | //\r | |
a95cf8f0 | 1535 | \r |
d5b5440b JC |
1536 | if (SecondQuote < FirstPercent) {\r |
1537 | //\r | |
1538 | // restart after the pair of "\r | |
1539 | //\r | |
1540 | CurrentLocator = SecondQuote + 1;\r | |
1541 | } else /* FirstPercent < SecondQuote */{\r | |
1542 | //\r | |
1543 | // Restart on the first percent\r | |
1544 | //\r | |
1545 | CurrentLocator = FirstPercent;\r | |
1546 | }\r | |
1547 | continue;\r | |
1548 | }\r | |
fdd52bde | 1549 | \r |
fe8ec3dd | 1550 | if (FirstQuote == NULL || SecondPercent < FirstQuote) {\r |
42435671 QS |
1551 | if (IsValidEnvironmentVariableName(FirstPercent, SecondPercent)) {\r |
1552 | //\r | |
1553 | // We need to remove from FirstPercent to SecondPercent\r | |
1554 | //\r | |
1555 | CopyMem(FirstPercent, SecondPercent + 1, StrSize(SecondPercent + 1));\r | |
1556 | //\r | |
d08a5464 | 1557 | // don't need to update the locator. both % characters are gone.\r |
42435671 QS |
1558 | //\r |
1559 | } else {\r | |
1560 | CurrentLocator = SecondPercent + 1;\r | |
1561 | }\r | |
d5b5440b JC |
1562 | continue;\r |
1563 | }\r | |
d5b5440b JC |
1564 | CurrentLocator = FirstQuote;\r |
1565 | }\r | |
1566 | return (EFI_SUCCESS);\r | |
1567 | }\r | |
1568 | \r | |
a405b86d | 1569 | /**\r |
1570 | Function allocates a new command line and replaces all instances of environment\r | |
1571 | variable names that are correctly preset to their values.\r | |
1572 | \r | |
1573 | If the return value is not NULL the memory must be caller freed.\r | |
1574 | \r | |
1575 | @param[in] OriginalCommandLine The original command line\r | |
1576 | \r | |
d08a5464 | 1577 | @retval NULL An error occurred.\r |
a405b86d | 1578 | @return The new command line with no environment variables present.\r |
1579 | **/\r | |
1580 | CHAR16*\r | |
a405b86d | 1581 | ShellConvertVariables (\r |
1582 | IN CONST CHAR16 *OriginalCommandLine\r | |
1583 | )\r | |
1584 | {\r | |
1585 | CONST CHAR16 *MasterEnvList;\r | |
1586 | UINTN NewSize;\r | |
1587 | CHAR16 *NewCommandLine1;\r | |
1588 | CHAR16 *NewCommandLine2;\r | |
1589 | CHAR16 *Temp;\r | |
1590 | UINTN ItemSize;\r | |
1591 | CHAR16 *ItemTemp;\r | |
1592 | SCRIPT_FILE *CurrentScriptFile;\r | |
1593 | ALIAS_LIST *AliasListNode;\r | |
1594 | \r | |
1595 | ASSERT(OriginalCommandLine != NULL);\r | |
1596 | \r | |
1597 | ItemSize = 0;\r | |
1598 | NewSize = StrSize(OriginalCommandLine);\r | |
1599 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r | |
1600 | Temp = NULL;\r | |
1601 | \r | |
1602 | ///@todo update this to handle the %0 - %9 for scripting only (borrow from line 1256 area) ? ? ?\r | |
1603 | \r | |
1604 | //\r | |
1605 | // calculate the size required for the post-conversion string...\r | |
1606 | //\r | |
1607 | if (CurrentScriptFile != NULL) {\r | |
1608 | for (AliasListNode = (ALIAS_LIST*)GetFirstNode(&CurrentScriptFile->SubstList)\r | |
1609 | ; !IsNull(&CurrentScriptFile->SubstList, &AliasListNode->Link)\r | |
1610 | ; AliasListNode = (ALIAS_LIST*)GetNextNode(&CurrentScriptFile->SubstList, &AliasListNode->Link)\r | |
1611 | ){\r | |
1612 | for (Temp = StrStr(OriginalCommandLine, AliasListNode->Alias)\r | |
1613 | ; Temp != NULL\r | |
1614 | ; Temp = StrStr(Temp+1, AliasListNode->Alias)\r | |
1615 | ){\r | |
1616 | //\r | |
d08a5464 | 1617 | // we need a preceding and if there is space no ^ preceding (if no space ignore)\r |
a405b86d | 1618 | //\r |
1619 | if ((((Temp-OriginalCommandLine)>2) && *(Temp-2) != L'^') || ((Temp-OriginalCommandLine)<=2)) {\r | |
1620 | NewSize += StrSize(AliasListNode->CommandString);\r | |
1621 | }\r | |
1622 | }\r | |
1623 | }\r | |
1624 | }\r | |
1625 | \r | |
1626 | for (MasterEnvList = EfiShellGetEnv(NULL)\r | |
1627 | ; MasterEnvList != NULL && *MasterEnvList != CHAR_NULL //&& *(MasterEnvList+1) != CHAR_NULL\r | |
1628 | ; MasterEnvList += StrLen(MasterEnvList) + 1\r | |
1629 | ){\r | |
1630 | if (StrSize(MasterEnvList) > ItemSize) {\r | |
1631 | ItemSize = StrSize(MasterEnvList);\r | |
1632 | }\r | |
1633 | for (Temp = StrStr(OriginalCommandLine, MasterEnvList)\r | |
1634 | ; Temp != NULL\r | |
1635 | ; Temp = StrStr(Temp+1, MasterEnvList)\r | |
1636 | ){\r | |
1637 | //\r | |
d08a5464 | 1638 | // we need a preceding and following % and if there is space no ^ preceding (if no space ignore)\r |
a405b86d | 1639 | //\r |
1640 | if (*(Temp-1) == L'%' && *(Temp+StrLen(MasterEnvList)) == L'%' &&\r | |
1641 | ((((Temp-OriginalCommandLine)>2) && *(Temp-2) != L'^') || ((Temp-OriginalCommandLine)<=2))) {\r | |
1642 | NewSize+=StrSize(EfiShellGetEnv(MasterEnvList));\r | |
1643 | }\r | |
1644 | }\r | |
1645 | }\r | |
1646 | \r | |
a405b86d | 1647 | //\r |
1648 | // now do the replacements...\r | |
1649 | //\r | |
2a6ede28 | 1650 | NewCommandLine1 = AllocateZeroPool (NewSize);\r |
a405b86d | 1651 | NewCommandLine2 = AllocateZeroPool(NewSize);\r |
1652 | ItemTemp = AllocateZeroPool(ItemSize+(2*sizeof(CHAR16)));\r | |
3c865f20 | 1653 | if (NewCommandLine1 == NULL || NewCommandLine2 == NULL || ItemTemp == NULL) {\r |
1654 | SHELL_FREE_NON_NULL(NewCommandLine1);\r | |
1655 | SHELL_FREE_NON_NULL(NewCommandLine2);\r | |
1656 | SHELL_FREE_NON_NULL(ItemTemp);\r | |
1657 | return (NULL);\r | |
1658 | }\r | |
2a6ede28 JW |
1659 | CopyMem (NewCommandLine1, OriginalCommandLine, StrSize (OriginalCommandLine));\r |
1660 | \r | |
a405b86d | 1661 | for (MasterEnvList = EfiShellGetEnv(NULL)\r |
7f79b01e | 1662 | ; MasterEnvList != NULL && *MasterEnvList != CHAR_NULL\r |
a405b86d | 1663 | ; MasterEnvList += StrLen(MasterEnvList) + 1\r |
1664 | ){\r | |
e75390f0 QS |
1665 | StrCpyS( ItemTemp, \r |
1666 | ((ItemSize+(2*sizeof(CHAR16)))/sizeof(CHAR16)), \r | |
1667 | L"%"\r | |
1668 | );\r | |
1669 | StrCatS( ItemTemp, \r | |
1670 | ((ItemSize+(2*sizeof(CHAR16)))/sizeof(CHAR16)), \r | |
1671 | MasterEnvList\r | |
1672 | );\r | |
1673 | StrCatS( ItemTemp, \r | |
1674 | ((ItemSize+(2*sizeof(CHAR16)))/sizeof(CHAR16)), \r | |
1675 | L"%"\r | |
1676 | );\r | |
a405b86d | 1677 | ShellCopySearchAndReplace(NewCommandLine1, NewCommandLine2, NewSize, ItemTemp, EfiShellGetEnv(MasterEnvList), TRUE, FALSE);\r |
e75390f0 | 1678 | StrCpyS(NewCommandLine1, NewSize/sizeof(CHAR16), NewCommandLine2);\r |
a405b86d | 1679 | }\r |
1680 | if (CurrentScriptFile != NULL) {\r | |
1681 | for (AliasListNode = (ALIAS_LIST*)GetFirstNode(&CurrentScriptFile->SubstList)\r | |
1682 | ; !IsNull(&CurrentScriptFile->SubstList, &AliasListNode->Link)\r | |
1683 | ; AliasListNode = (ALIAS_LIST*)GetNextNode(&CurrentScriptFile->SubstList, &AliasListNode->Link)\r | |
1684 | ){\r | |
1685 | ShellCopySearchAndReplace(NewCommandLine1, NewCommandLine2, NewSize, AliasListNode->Alias, AliasListNode->CommandString, TRUE, FALSE);\r | |
e75390f0 | 1686 | StrCpyS(NewCommandLine1, NewSize/sizeof(CHAR16), NewCommandLine2);\r |
a405b86d | 1687 | }\r |
1688 | }\r | |
1689 | \r | |
fdd52bde | 1690 | //\r |
d08a5464 | 1691 | // Remove non-existent environment variables\r |
fdd52bde JC |
1692 | //\r |
1693 | StripUnreplacedEnvironmentVariables(NewCommandLine1);\r | |
1694 | \r | |
df07baea JC |
1695 | //\r |
1696 | // Now cleanup any straggler intentionally ignored "%" characters\r | |
1697 | //\r | |
1698 | ShellCopySearchAndReplace(NewCommandLine1, NewCommandLine2, NewSize, L"^%", L"%", TRUE, FALSE);\r | |
e75390f0 | 1699 | StrCpyS(NewCommandLine1, NewSize/sizeof(CHAR16), NewCommandLine2);\r |
df07baea | 1700 | \r |
a405b86d | 1701 | FreePool(NewCommandLine2);\r |
1702 | FreePool(ItemTemp);\r | |
1703 | \r | |
1704 | return (NewCommandLine1);\r | |
1705 | }\r | |
1706 | \r | |
1707 | /**\r | |
1708 | Internal function to run a command line with pipe usage.\r | |
1709 | \r | |
1710 | @param[in] CmdLine The pointer to the command line.\r | |
1711 | @param[in] StdIn The pointer to the Standard input.\r | |
1712 | @param[in] StdOut The pointer to the Standard output.\r | |
1713 | \r | |
1714 | @retval EFI_SUCCESS The split command is executed successfully.\r | |
1715 | @retval other Some error occurs when executing the split command.\r | |
1716 | **/\r | |
1717 | EFI_STATUS\r | |
a405b86d | 1718 | RunSplitCommand(\r |
1719 | IN CONST CHAR16 *CmdLine,\r | |
1bd0bf15 LE |
1720 | IN SHELL_FILE_HANDLE StdIn,\r |
1721 | IN SHELL_FILE_HANDLE StdOut\r | |
a405b86d | 1722 | )\r |
1723 | {\r | |
1724 | EFI_STATUS Status;\r | |
1725 | CHAR16 *NextCommandLine;\r | |
1726 | CHAR16 *OurCommandLine;\r | |
1727 | UINTN Size1;\r | |
1728 | UINTN Size2;\r | |
1729 | SPLIT_LIST *Split;\r | |
1bd0bf15 | 1730 | SHELL_FILE_HANDLE TempFileHandle;\r |
a405b86d | 1731 | BOOLEAN Unicode;\r |
1732 | \r | |
1733 | ASSERT(StdOut == NULL);\r | |
1734 | \r | |
1735 | ASSERT(StrStr(CmdLine, L"|") != NULL);\r | |
1736 | \r | |
1737 | Status = EFI_SUCCESS;\r | |
1738 | NextCommandLine = NULL;\r | |
1739 | OurCommandLine = NULL;\r | |
1740 | Size1 = 0;\r | |
1741 | Size2 = 0;\r | |
1742 | \r | |
1743 | NextCommandLine = StrnCatGrow(&NextCommandLine, &Size1, StrStr(CmdLine, L"|")+1, 0);\r | |
1744 | OurCommandLine = StrnCatGrow(&OurCommandLine , &Size2, CmdLine , StrStr(CmdLine, L"|") - CmdLine);\r | |
532691c8 | 1745 | \r |
1746 | if (NextCommandLine == NULL || OurCommandLine == NULL) {\r | |
1747 | SHELL_FREE_NON_NULL(OurCommandLine);\r | |
1748 | SHELL_FREE_NON_NULL(NextCommandLine);\r | |
1749 | return (EFI_OUT_OF_RESOURCES);\r | |
19216573 | 1750 | } else if (StrStr(OurCommandLine, L"|") != NULL || Size1 == 0 || Size2 == 0) {\r |
1751 | SHELL_FREE_NON_NULL(OurCommandLine);\r | |
1752 | SHELL_FREE_NON_NULL(NextCommandLine);\r | |
1753 | return (EFI_INVALID_PARAMETER);\r | |
a5382ce0 QS |
1754 | } else if (NextCommandLine[0] == L'a' &&\r |
1755 | (NextCommandLine[1] == L' ' || NextCommandLine[1] == CHAR_NULL)\r | |
1756 | ){\r | |
a405b86d | 1757 | CopyMem(NextCommandLine, NextCommandLine+1, StrSize(NextCommandLine) - sizeof(NextCommandLine[0]));\r |
a5382ce0 QS |
1758 | while (NextCommandLine[0] == L' ') {\r |
1759 | CopyMem(NextCommandLine, NextCommandLine+1, StrSize(NextCommandLine) - sizeof(NextCommandLine[0]));\r | |
1760 | }\r | |
1761 | if (NextCommandLine[0] == CHAR_NULL) {\r | |
1762 | SHELL_FREE_NON_NULL(OurCommandLine);\r | |
1763 | SHELL_FREE_NON_NULL(NextCommandLine);\r | |
1764 | return (EFI_INVALID_PARAMETER);\r | |
1765 | }\r | |
a405b86d | 1766 | Unicode = FALSE;\r |
1767 | } else {\r | |
1768 | Unicode = TRUE;\r | |
1769 | }\r | |
1770 | \r | |
1771 | \r | |
1772 | //\r | |
1773 | // make a SPLIT_LIST item and add to list\r | |
1774 | //\r | |
1775 | Split = AllocateZeroPool(sizeof(SPLIT_LIST));\r | |
b2c036a7 RN |
1776 | if (Split == NULL) {\r |
1777 | return EFI_OUT_OF_RESOURCES;\r | |
1778 | }\r | |
a405b86d | 1779 | Split->SplitStdIn = StdIn;\r |
1780 | Split->SplitStdOut = ConvertEfiFileProtocolToShellHandle(CreateFileInterfaceMem(Unicode), NULL);\r | |
1781 | ASSERT(Split->SplitStdOut != NULL);\r | |
1782 | InsertHeadList(&ShellInfoObject.SplitList.Link, &Split->Link);\r | |
1783 | \r | |
a308e058 | 1784 | Status = RunCommand(OurCommandLine);\r |
a405b86d | 1785 | \r |
1786 | //\r | |
1787 | // move the output from the first to the in to the second.\r | |
1788 | //\r | |
1789 | TempFileHandle = Split->SplitStdOut;\r | |
1790 | if (Split->SplitStdIn == StdIn) {\r | |
1791 | Split->SplitStdOut = NULL;\r | |
1792 | } else {\r | |
1793 | Split->SplitStdOut = Split->SplitStdIn;\r | |
1794 | }\r | |
1795 | Split->SplitStdIn = TempFileHandle;\r | |
1bd0bf15 | 1796 | ShellInfoObject.NewEfiShellProtocol->SetFilePosition (Split->SplitStdIn, 0);\r |
a405b86d | 1797 | \r |
1798 | if (!EFI_ERROR(Status)) {\r | |
a308e058 | 1799 | Status = RunCommand(NextCommandLine);\r |
a405b86d | 1800 | }\r |
1801 | \r | |
1802 | //\r | |
1803 | // remove the top level from the ScriptList\r | |
1804 | //\r | |
1805 | ASSERT((SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link) == Split);\r | |
1806 | RemoveEntryList(&Split->Link);\r | |
1807 | \r | |
1808 | //\r | |
1809 | // Note that the original StdIn is now the StdOut...\r | |
1810 | //\r | |
bd3fc813 | 1811 | if (Split->SplitStdOut != NULL) {\r |
1bd0bf15 | 1812 | ShellInfoObject.NewEfiShellProtocol->CloseFile (Split->SplitStdOut);\r |
a405b86d | 1813 | }\r |
1814 | if (Split->SplitStdIn != NULL) {\r | |
1bd0bf15 | 1815 | ShellInfoObject.NewEfiShellProtocol->CloseFile (Split->SplitStdIn);\r |
a405b86d | 1816 | }\r |
1817 | \r | |
1818 | FreePool(Split);\r | |
1819 | FreePool(NextCommandLine);\r | |
1820 | FreePool(OurCommandLine);\r | |
1821 | \r | |
1822 | return (Status);\r | |
1823 | }\r | |
1824 | \r | |
1ef61d03 JC |
1825 | /**\r |
1826 | Take the original command line, substitute any variables, free \r | |
51429264 | 1827 | the original string, return the modified copy.\r |
1ef61d03 | 1828 | \r |
51429264 | 1829 | @param[in] CmdLine pointer to the command line to update.\r |
1ef61d03 | 1830 | \r |
51429264 SQ |
1831 | @retval EFI_SUCCESS the function was successful.\r |
1832 | @retval EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
1ef61d03 JC |
1833 | **/\r |
1834 | EFI_STATUS\r | |
1ef61d03 JC |
1835 | ShellSubstituteVariables(\r |
1836 | IN CHAR16 **CmdLine\r | |
1837 | )\r | |
1838 | {\r | |
1839 | CHAR16 *NewCmdLine;\r | |
1840 | NewCmdLine = ShellConvertVariables(*CmdLine);\r | |
1841 | SHELL_FREE_NON_NULL(*CmdLine);\r | |
1842 | if (NewCmdLine == NULL) {\r | |
1843 | return (EFI_OUT_OF_RESOURCES);\r | |
1844 | }\r | |
1845 | *CmdLine = NewCmdLine;\r | |
1846 | return (EFI_SUCCESS);\r | |
1847 | }\r | |
1848 | \r | |
ca53c0af JC |
1849 | /**\r |
1850 | Take the original command line, substitute any alias in the first group of space delimited characters, free \r | |
51429264 | 1851 | the original string, return the modified copy.\r |
ca53c0af | 1852 | \r |
51429264 | 1853 | @param[in] CmdLine pointer to the command line to update.\r |
ca53c0af | 1854 | \r |
51429264 SQ |
1855 | @retval EFI_SUCCESS the function was successful.\r |
1856 | @retval EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
ca53c0af JC |
1857 | **/\r |
1858 | EFI_STATUS\r | |
ca53c0af JC |
1859 | ShellSubstituteAliases(\r |
1860 | IN CHAR16 **CmdLine\r | |
1861 | )\r | |
1862 | {\r | |
1863 | CHAR16 *NewCmdLine;\r | |
1864 | CHAR16 *CommandName;\r | |
1865 | EFI_STATUS Status;\r | |
1866 | UINTN PostAliasSize;\r | |
1867 | ASSERT(CmdLine != NULL);\r | |
1868 | ASSERT(*CmdLine!= NULL);\r | |
1869 | \r | |
1870 | \r | |
1871 | CommandName = NULL;\r | |
1872 | if (StrStr((*CmdLine), L" ") == NULL){\r | |
1873 | StrnCatGrow(&CommandName, NULL, (*CmdLine), 0);\r | |
1874 | } else {\r | |
1875 | StrnCatGrow(&CommandName, NULL, (*CmdLine), StrStr((*CmdLine), L" ") - (*CmdLine));\r | |
1876 | }\r | |
1877 | \r | |
1878 | //\r | |
1879 | // This cannot happen 'inline' since the CmdLine can need extra space.\r | |
1880 | //\r | |
1881 | NewCmdLine = NULL;\r | |
1882 | if (!ShellCommandIsCommandOnList(CommandName)) {\r | |
1883 | //\r | |
1884 | // Convert via alias\r | |
1885 | //\r | |
1886 | Status = ShellConvertAlias(&CommandName);\r | |
1887 | if (EFI_ERROR(Status)){\r | |
1888 | return (Status);\r | |
1889 | }\r | |
1890 | PostAliasSize = 0;\r | |
1891 | NewCmdLine = StrnCatGrow(&NewCmdLine, &PostAliasSize, CommandName, 0);\r | |
1892 | if (NewCmdLine == NULL) {\r | |
1893 | SHELL_FREE_NON_NULL(CommandName);\r | |
1894 | SHELL_FREE_NON_NULL(*CmdLine);\r | |
1895 | return (EFI_OUT_OF_RESOURCES);\r | |
1896 | }\r | |
1897 | NewCmdLine = StrnCatGrow(&NewCmdLine, &PostAliasSize, StrStr((*CmdLine), L" "), 0);\r | |
1898 | if (NewCmdLine == NULL) {\r | |
1899 | SHELL_FREE_NON_NULL(CommandName);\r | |
1900 | SHELL_FREE_NON_NULL(*CmdLine);\r | |
1901 | return (EFI_OUT_OF_RESOURCES);\r | |
1902 | }\r | |
1903 | } else {\r | |
1904 | NewCmdLine = StrnCatGrow(&NewCmdLine, NULL, (*CmdLine), 0);\r | |
1905 | }\r | |
1906 | \r | |
1907 | SHELL_FREE_NON_NULL(*CmdLine);\r | |
1908 | SHELL_FREE_NON_NULL(CommandName);\r | |
1909 | \r | |
1910 | //\r | |
1911 | // re-assign the passed in double pointer to point to our newly allocated buffer\r | |
1912 | //\r | |
1913 | *CmdLine = NewCmdLine;\r | |
1914 | \r | |
1915 | return (EFI_SUCCESS);\r | |
1916 | }\r | |
1917 | \r | |
6ba2921d JC |
1918 | /**\r |
1919 | Takes the Argv[0] part of the command line and determine the meaning of it.\r | |
e7831c90 | 1920 | \r |
51429264 | 1921 | @param[in] CmdName pointer to the command line to update.\r |
e7831c90 | 1922 | \r |
51429264 SQ |
1923 | @retval Internal_Command The name is an internal command.\r |
1924 | @retval File_Sys_Change the name is a file system change.\r | |
1925 | @retval Script_File_Name the name is a NSH script file.\r | |
1926 | @retval Unknown_Invalid the name is unknown.\r | |
1927 | @retval Efi_Application the name is an application (.EFI).\r | |
6ba2921d JC |
1928 | **/\r |
1929 | SHELL_OPERATION_TYPES\r | |
6ba2921d JC |
1930 | GetOperationType(\r |
1931 | IN CONST CHAR16 *CmdName\r | |
1932 | )\r | |
1933 | {\r | |
1934 | CHAR16* FileWithPath;\r | |
1935 | CONST CHAR16* TempLocation;\r | |
1936 | CONST CHAR16* TempLocation2;\r | |
1937 | \r | |
1938 | FileWithPath = NULL;\r | |
1939 | //\r | |
1940 | // test for an internal command.\r | |
1941 | //\r | |
1942 | if (ShellCommandIsCommandOnList(CmdName)) {\r | |
51429264 | 1943 | return (Internal_Command);\r |
6ba2921d JC |
1944 | }\r |
1945 | \r | |
1946 | //\r | |
fc4c7b30 | 1947 | // Test for file system change request. anything ending with first : and cant have spaces.\r |
6ba2921d JC |
1948 | //\r |
1949 | if (CmdName[(StrLen(CmdName)-1)] == L':') {\r | |
fc4c7b30 JC |
1950 | if ( StrStr(CmdName, L" ") != NULL \r |
1951 | || StrLen(StrStr(CmdName, L":")) > 1\r | |
1952 | ) {\r | |
51429264 | 1953 | return (Unknown_Invalid);\r |
6ba2921d | 1954 | }\r |
51429264 | 1955 | return (File_Sys_Change);\r |
6ba2921d JC |
1956 | }\r |
1957 | \r | |
1958 | //\r | |
1959 | // Test for a file\r | |
1960 | //\r | |
1961 | if ((FileWithPath = ShellFindFilePathEx(CmdName, mExecutableExtensions)) != NULL) {\r | |
1962 | //\r | |
1963 | // See if that file has a script file extension\r | |
1964 | //\r | |
1965 | if (StrLen(FileWithPath) > 4) {\r | |
1966 | TempLocation = FileWithPath+StrLen(FileWithPath)-4;\r | |
1967 | TempLocation2 = mScriptExtension;\r | |
1968 | if (StringNoCaseCompare((VOID*)(&TempLocation), (VOID*)(&TempLocation2)) == 0) {\r | |
1969 | SHELL_FREE_NON_NULL(FileWithPath);\r | |
51429264 | 1970 | return (Script_File_Name);\r |
6ba2921d JC |
1971 | }\r |
1972 | }\r | |
1973 | \r | |
1974 | //\r | |
1975 | // Was a file, but not a script. we treat this as an application.\r | |
1976 | //\r | |
1977 | SHELL_FREE_NON_NULL(FileWithPath);\r | |
51429264 | 1978 | return (Efi_Application);\r |
6ba2921d JC |
1979 | }\r |
1980 | \r | |
1981 | SHELL_FREE_NON_NULL(FileWithPath);\r | |
1982 | //\r | |
1983 | // No clue what this is... return invalid flag...\r | |
1984 | //\r | |
51429264 | 1985 | return (Unknown_Invalid);\r |
6ba2921d JC |
1986 | }\r |
1987 | \r | |
de4ebdcf SQ |
1988 | /**\r |
1989 | Determine if the first item in a command line is valid.\r | |
1990 | \r | |
1991 | @param[in] CmdLine The command line to parse.\r | |
1992 | \r | |
1993 | @retval EFI_SUCCESS The item is valid.\r | |
1994 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1995 | @retval EFI_NOT_FOUND The operation type is unknown or invalid.\r | |
1996 | **/\r | |
6bd64463 | 1997 | EFI_STATUS \r |
6bd64463 JC |
1998 | IsValidSplit(\r |
1999 | IN CONST CHAR16 *CmdLine\r | |
2000 | )\r | |
2001 | {\r | |
2002 | CHAR16 *Temp;\r | |
2003 | CHAR16 *FirstParameter;\r | |
2004 | CHAR16 *TempWalker;\r | |
2005 | EFI_STATUS Status;\r | |
2006 | \r | |
2007 | Temp = NULL;\r | |
2008 | \r | |
2009 | Temp = StrnCatGrow(&Temp, NULL, CmdLine, 0);\r | |
2010 | if (Temp == NULL) {\r | |
2011 | return (EFI_OUT_OF_RESOURCES);\r | |
2012 | }\r | |
2013 | \r | |
2014 | FirstParameter = StrStr(Temp, L"|");\r | |
2015 | if (FirstParameter != NULL) {\r | |
2016 | *FirstParameter = CHAR_NULL;\r | |
2017 | }\r | |
2018 | \r | |
2019 | FirstParameter = NULL;\r | |
2020 | \r | |
2021 | //\r | |
2022 | // Process the command line\r | |
2023 | //\r | |
2024 | Status = ProcessCommandLineToFinal(&Temp);\r | |
2025 | \r | |
2026 | if (!EFI_ERROR(Status)) {\r | |
2027 | FirstParameter = AllocateZeroPool(StrSize(CmdLine));\r | |
2028 | if (FirstParameter == NULL) {\r | |
2029 | SHELL_FREE_NON_NULL(Temp);\r | |
2030 | return (EFI_OUT_OF_RESOURCES);\r | |
2031 | }\r | |
2032 | TempWalker = (CHAR16*)Temp;\r | |
1219c85d | 2033 | if (!EFI_ERROR(GetNextParameter(&TempWalker, &FirstParameter, StrSize(CmdLine), TRUE))) {\r |
14030c5c JC |
2034 | if (GetOperationType(FirstParameter) == Unknown_Invalid) {\r |
2035 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, FirstParameter);\r | |
2036 | SetLastError(SHELL_NOT_FOUND);\r | |
2037 | Status = EFI_NOT_FOUND;\r | |
2038 | }\r | |
6bd64463 JC |
2039 | }\r |
2040 | }\r | |
2041 | \r | |
2042 | SHELL_FREE_NON_NULL(Temp);\r | |
2043 | SHELL_FREE_NON_NULL(FirstParameter);\r | |
2044 | return Status;\r | |
2045 | }\r | |
2046 | \r | |
2047 | /**\r | |
51429264 | 2048 | Determine if a command line contains with a split contains only valid commands.\r |
6bd64463 JC |
2049 | \r |
2050 | @param[in] CmdLine The command line to parse.\r | |
2051 | \r | |
2052 | @retval EFI_SUCCESS CmdLine has only valid commands, application, or has no split.\r | |
2053 | @retval EFI_ABORTED CmdLine has at least one invalid command or application.\r | |
2054 | **/\r | |
2055 | EFI_STATUS\r | |
6bd64463 JC |
2056 | VerifySplit(\r |
2057 | IN CONST CHAR16 *CmdLine\r | |
2058 | )\r | |
2059 | {\r | |
2060 | CONST CHAR16 *TempSpot;\r | |
2061 | EFI_STATUS Status;\r | |
2062 | \r | |
2063 | //\r | |
a5382ce0 | 2064 | // If this was the only item, then get out\r |
6bd64463 | 2065 | //\r |
a5382ce0 QS |
2066 | if (!ContainsSplit(CmdLine)) {\r |
2067 | return (EFI_SUCCESS);\r | |
6bd64463 JC |
2068 | }\r |
2069 | \r | |
2070 | //\r | |
a5382ce0 | 2071 | // Verify up to the pipe or end character\r |
6bd64463 | 2072 | //\r |
a5382ce0 QS |
2073 | Status = IsValidSplit(CmdLine);\r |
2074 | if (EFI_ERROR(Status)) {\r | |
2075 | return (Status);\r | |
6bd64463 JC |
2076 | }\r |
2077 | \r | |
2078 | //\r | |
2079 | // recurse to verify the next item\r | |
2080 | //\r | |
1219c85d | 2081 | TempSpot = FindFirstCharacter(CmdLine, L"|", L'^') + 1;\r |
a5382ce0 QS |
2082 | if (*TempSpot == L'a' && \r |
2083 | (*(TempSpot + 1) == L' ' || *(TempSpot + 1) == CHAR_NULL)\r | |
2084 | ) {\r | |
2085 | // If it's an ASCII pipe '|a'\r | |
2086 | TempSpot += 1;\r | |
2087 | }\r | |
2088 | \r | |
6bd64463 JC |
2089 | return (VerifySplit(TempSpot));\r |
2090 | }\r | |
2091 | \r | |
680db511 | 2092 | /**\r |
e7831c90 JC |
2093 | Process a split based operation.\r |
2094 | \r | |
a308e058 | 2095 | @param[in] CmdLine pointer to the command line to process\r |
e7831c90 JC |
2096 | \r |
2097 | @retval EFI_SUCCESS The operation was successful\r | |
d08a5464 | 2098 | @return an error occurred.\r |
680db511 JC |
2099 | **/\r |
2100 | EFI_STATUS\r | |
680db511 | 2101 | ProcessNewSplitCommandLine(\r |
a308e058 | 2102 | IN CONST CHAR16 *CmdLine\r |
680db511 JC |
2103 | )\r |
2104 | {\r | |
2105 | SPLIT_LIST *Split;\r | |
2106 | EFI_STATUS Status;\r | |
2107 | \r | |
6bd64463 JC |
2108 | Status = VerifySplit(CmdLine);\r |
2109 | if (EFI_ERROR(Status)) {\r | |
2110 | return (Status);\r | |
2111 | }\r | |
2112 | \r | |
680db511 JC |
2113 | Split = NULL;\r |
2114 | \r | |
2115 | //\r | |
2116 | // are we in an existing split???\r | |
2117 | //\r | |
2118 | if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {\r | |
2119 | Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);\r | |
2120 | }\r | |
2121 | \r | |
2122 | if (Split == NULL) {\r | |
a308e058 | 2123 | Status = RunSplitCommand(CmdLine, NULL, NULL);\r |
680db511 | 2124 | } else {\r |
a308e058 | 2125 | Status = RunSplitCommand(CmdLine, Split->SplitStdIn, Split->SplitStdOut);\r |
680db511 JC |
2126 | }\r |
2127 | if (EFI_ERROR(Status)) {\r | |
2128 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_SPLIT), ShellInfoObject.HiiHandle, CmdLine);\r | |
2129 | }\r | |
2130 | return (Status);\r | |
2131 | }\r | |
daf70584 JC |
2132 | \r |
2133 | /**\r | |
51429264 | 2134 | Handle a request to change the current file system.\r |
daf70584 | 2135 | \r |
51429264 | 2136 | @param[in] CmdLine The passed in command line.\r |
daf70584 | 2137 | \r |
51429264 | 2138 | @retval EFI_SUCCESS The operation was successful.\r |
daf70584 JC |
2139 | **/\r |
2140 | EFI_STATUS\r | |
daf70584 JC |
2141 | ChangeMappedDrive(\r |
2142 | IN CONST CHAR16 *CmdLine\r | |
2143 | )\r | |
2144 | {\r | |
2145 | EFI_STATUS Status;\r | |
2146 | Status = EFI_SUCCESS;\r | |
2147 | \r | |
2148 | //\r | |
2149 | // make sure we are the right operation\r | |
2150 | //\r | |
2151 | ASSERT(CmdLine[(StrLen(CmdLine)-1)] == L':' && StrStr(CmdLine, L" ") == NULL);\r | |
2152 | \r | |
2153 | //\r | |
2154 | // Call the protocol API to do the work\r | |
2155 | //\r | |
2156 | Status = ShellInfoObject.NewEfiShellProtocol->SetCurDir(NULL, CmdLine);\r | |
2157 | \r | |
2158 | //\r | |
2159 | // Report any errors\r | |
2160 | //\r | |
2161 | if (EFI_ERROR(Status)) {\r | |
2162 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_MAPPING), ShellInfoObject.HiiHandle, CmdLine);\r | |
2163 | }\r | |
2164 | \r | |
2165 | return (Status);\r | |
2166 | }\r | |
2167 | \r | |
5a5eb806 JC |
2168 | /**\r |
2169 | Reprocess the command line to direct all -? to the help command.\r | |
2170 | \r | |
2171 | if found, will add "help" as argv[0], and move the rest later.\r | |
2172 | \r | |
806c49db | 2173 | @param[in,out] CmdLine pointer to the command line to update\r |
5a5eb806 JC |
2174 | **/\r |
2175 | EFI_STATUS\r | |
806c49db JC |
2176 | DoHelpUpdate(\r |
2177 | IN OUT CHAR16 **CmdLine\r | |
5a5eb806 JC |
2178 | )\r |
2179 | {\r | |
806c49db JC |
2180 | CHAR16 *CurrentParameter;\r |
2181 | CHAR16 *Walker;\r | |
806c49db JC |
2182 | CHAR16 *NewCommandLine;\r |
2183 | EFI_STATUS Status;\r | |
e75390f0 | 2184 | UINTN NewCmdLineSize;\r |
806c49db JC |
2185 | \r |
2186 | Status = EFI_SUCCESS;\r | |
2187 | \r | |
2188 | CurrentParameter = AllocateZeroPool(StrSize(*CmdLine));\r | |
2189 | if (CurrentParameter == NULL) {\r | |
2190 | return (EFI_OUT_OF_RESOURCES);\r | |
2191 | }\r | |
2192 | \r | |
2193 | Walker = *CmdLine;\r | |
2194 | while(Walker != NULL && *Walker != CHAR_NULL) {\r | |
1219c85d | 2195 | if (!EFI_ERROR(GetNextParameter(&Walker, &CurrentParameter, StrSize(*CmdLine), TRUE))) {\r |
14030c5c | 2196 | if (StrStr(CurrentParameter, L"-?") == CurrentParameter) {\r |
a8f98806 JC |
2197 | CurrentParameter[0] = L' ';\r |
2198 | CurrentParameter[1] = L' ';\r | |
e75390f0 QS |
2199 | NewCmdLineSize = StrSize(L"help ") + StrSize(*CmdLine);\r |
2200 | NewCommandLine = AllocateZeroPool(NewCmdLineSize);\r | |
14030c5c JC |
2201 | if (NewCommandLine == NULL) {\r |
2202 | Status = EFI_OUT_OF_RESOURCES;\r | |
2203 | break;\r | |
2204 | }\r | |
2205 | \r | |
2206 | //\r | |
2207 | // We know the space is sufficient since we just calculated it.\r | |
2208 | //\r | |
e75390f0 QS |
2209 | StrnCpyS(NewCommandLine, NewCmdLineSize/sizeof(CHAR16), L"help ", 5);\r |
2210 | StrnCatS(NewCommandLine, NewCmdLineSize/sizeof(CHAR16), *CmdLine, StrLen(*CmdLine));\r | |
14030c5c JC |
2211 | SHELL_FREE_NON_NULL(*CmdLine);\r |
2212 | *CmdLine = NewCommandLine;\r | |
806c49db JC |
2213 | break;\r |
2214 | }\r | |
806c49db JC |
2215 | }\r |
2216 | }\r | |
2217 | \r | |
2218 | SHELL_FREE_NON_NULL(CurrentParameter);\r | |
2219 | \r | |
2220 | return (Status);\r | |
2221 | }\r | |
2222 | \r | |
2223 | /**\r | |
51429264 | 2224 | Function to update the shell variable "lasterror".\r |
806c49db | 2225 | \r |
51429264 | 2226 | @param[in] ErrorCode the error code to put into lasterror.\r |
806c49db JC |
2227 | **/\r |
2228 | EFI_STATUS\r | |
806c49db | 2229 | SetLastError(\r |
6bd64463 | 2230 | IN CONST SHELL_STATUS ErrorCode\r |
806c49db JC |
2231 | )\r |
2232 | {\r | |
2233 | CHAR16 LeString[19];\r | |
2234 | if (sizeof(EFI_STATUS) == sizeof(UINT64)) {\r | |
2235 | UnicodeSPrint(LeString, sizeof(LeString), L"0x%Lx", ErrorCode);\r | |
2236 | } else {\r | |
2237 | UnicodeSPrint(LeString, sizeof(LeString), L"0x%x", ErrorCode);\r | |
2238 | }\r | |
2239 | DEBUG_CODE(InternalEfiShellSetEnv(L"debuglasterror", LeString, TRUE););\r | |
2240 | InternalEfiShellSetEnv(L"lasterror", LeString, TRUE);\r | |
2241 | \r | |
2242 | return (EFI_SUCCESS);\r | |
2243 | }\r | |
2244 | \r | |
2245 | /**\r | |
2246 | Converts the command line to it's post-processed form. this replaces variables and alias' per UEFI Shell spec.\r | |
2247 | \r | |
2248 | @param[in,out] CmdLine pointer to the command line to update\r | |
2249 | \r | |
2250 | @retval EFI_SUCCESS The operation was successful\r | |
2251 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
d08a5464 | 2252 | @return some other error occurred\r |
806c49db JC |
2253 | **/\r |
2254 | EFI_STATUS\r | |
12a27a6d | 2255 | ProcessCommandLineToFinal(\r |
806c49db JC |
2256 | IN OUT CHAR16 **CmdLine\r |
2257 | )\r | |
2258 | {\r | |
2259 | EFI_STATUS Status;\r | |
2260 | TrimSpaces(CmdLine);\r | |
2261 | \r | |
2262 | Status = ShellSubstituteAliases(CmdLine);\r | |
2263 | if (EFI_ERROR(Status)) {\r | |
2264 | return (Status);\r | |
2265 | }\r | |
2266 | \r | |
2267 | TrimSpaces(CmdLine);\r | |
2268 | \r | |
2269 | Status = ShellSubstituteVariables(CmdLine);\r | |
2270 | if (EFI_ERROR(Status)) {\r | |
2271 | return (Status);\r | |
2272 | }\r | |
81cd2f53 | 2273 | ASSERT (*CmdLine != NULL);\r |
806c49db JC |
2274 | \r |
2275 | TrimSpaces(CmdLine);\r | |
2276 | \r | |
2277 | //\r | |
2278 | // update for help parsing\r | |
2279 | //\r | |
2280 | if (StrStr(*CmdLine, L"?") != NULL) {\r | |
2281 | //\r | |
2282 | // This may do nothing if the ? does not indicate help.\r | |
2283 | // Save all the details for in the API below.\r | |
2284 | //\r | |
2285 | Status = DoHelpUpdate(CmdLine);\r | |
2286 | }\r | |
2287 | \r | |
2288 | TrimSpaces(CmdLine);\r | |
2289 | \r | |
2290 | return (EFI_SUCCESS);\r | |
2291 | }\r | |
2292 | \r | |
2293 | /**\r | |
2294 | Run an internal shell command.\r | |
2295 | \r | |
d08a5464 | 2296 | This API will update the shell's environment since these commands are libraries.\r |
806c49db JC |
2297 | \r |
2298 | @param[in] CmdLine the command line to run.\r | |
2299 | @param[in] FirstParameter the first parameter on the command line\r | |
2300 | @param[in] ParamProtocol the shell parameters protocol pointer\r | |
490ce43d | 2301 | @param[out] CommandStatus the status from the command line.\r |
806c49db JC |
2302 | \r |
2303 | @retval EFI_SUCCESS The command was completed.\r | |
2304 | @retval EFI_ABORTED The command's operation was aborted.\r | |
2305 | **/\r | |
2306 | EFI_STATUS\r | |
806c49db JC |
2307 | RunInternalCommand(\r |
2308 | IN CONST CHAR16 *CmdLine,\r | |
2309 | IN CHAR16 *FirstParameter,\r | |
490ce43d QS |
2310 | IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,\r |
2311 | OUT EFI_STATUS *CommandStatus\r | |
806c49db JC |
2312 | )\r |
2313 | {\r | |
2314 | EFI_STATUS Status;\r | |
2315 | UINTN Argc;\r | |
2316 | CHAR16 **Argv;\r | |
2317 | SHELL_STATUS CommandReturnedStatus;\r | |
2318 | BOOLEAN LastError;\r | |
4b6b543e QS |
2319 | CHAR16 *Walker;\r |
2320 | CHAR16 *NewCmdLine; \r | |
2321 | \r | |
2322 | NewCmdLine = AllocateCopyPool (StrSize (CmdLine), CmdLine);\r | |
2323 | if (NewCmdLine == NULL) {\r | |
2324 | return EFI_OUT_OF_RESOURCES;\r | |
2325 | }\r | |
2326 | \r | |
2327 | for (Walker = NewCmdLine; Walker != NULL && *Walker != CHAR_NULL ; Walker++) {\r | |
2328 | if (*Walker == L'^' && *(Walker+1) == L'#') {\r | |
2329 | CopyMem(Walker, Walker+1, StrSize(Walker) - sizeof(Walker[0]));\r | |
2330 | }\r | |
2331 | }\r | |
806c49db | 2332 | \r |
5a5eb806 | 2333 | //\r |
806c49db | 2334 | // get the argc and argv updated for internal commands\r |
5a5eb806 | 2335 | //\r |
d1c275c6 | 2336 | Status = UpdateArgcArgv(ParamProtocol, NewCmdLine, Internal_Command, &Argv, &Argc);\r |
806c49db | 2337 | if (!EFI_ERROR(Status)) {\r |
5a5eb806 | 2338 | //\r |
806c49db | 2339 | // Run the internal command.\r |
5a5eb806 | 2340 | //\r |
806c49db JC |
2341 | Status = ShellCommandRunCommandHandler(FirstParameter, &CommandReturnedStatus, &LastError);\r |
2342 | \r | |
2343 | if (!EFI_ERROR(Status)) {\r | |
490ce43d QS |
2344 | if (CommandStatus != NULL) {\r |
2345 | if (CommandReturnedStatus != SHELL_SUCCESS) {\r | |
2346 | *CommandStatus = (EFI_STATUS)(CommandReturnedStatus | MAX_BIT);\r | |
2347 | } else {\r | |
2348 | *CommandStatus = EFI_SUCCESS;\r | |
2349 | }\r | |
2350 | }\r | |
2351 | \r | |
5a5eb806 | 2352 | //\r |
806c49db JC |
2353 | // Update last error status.\r |
2354 | // some commands do not update last error.\r | |
5a5eb806 | 2355 | //\r |
806c49db JC |
2356 | if (LastError) {\r |
2357 | SetLastError(CommandReturnedStatus);\r | |
5a5eb806 | 2358 | }\r |
806c49db JC |
2359 | \r |
2360 | //\r | |
2361 | // Pass thru the exitcode from the app.\r | |
2362 | //\r | |
2363 | if (ShellCommandGetExit()) {\r | |
e3eb7d82 JC |
2364 | //\r |
2365 | // An Exit was requested ("exit" command), pass its value up.\r | |
2366 | //\r | |
806c49db | 2367 | Status = CommandReturnedStatus;\r |
e3eb7d82 JC |
2368 | } else if (CommandReturnedStatus != SHELL_SUCCESS && IsScriptOnlyCommand(FirstParameter)) {\r |
2369 | //\r | |
2370 | // Always abort when a script only command fails for any reason\r | |
2371 | //\r | |
2372 | Status = EFI_ABORTED;\r | |
2373 | } else if (ShellCommandGetCurrentScriptFile() != NULL && CommandReturnedStatus == SHELL_ABORTED) {\r | |
2374 | //\r | |
2375 | // Abort when in a script and a command aborted\r | |
2376 | //\r | |
806c49db | 2377 | Status = EFI_ABORTED;\r |
5a5eb806 | 2378 | }\r |
806c49db JC |
2379 | }\r |
2380 | }\r | |
2381 | \r | |
2382 | //\r | |
d08a5464 | 2383 | // This is guaranteed to be called after UpdateArgcArgv no matter what else happened.\r |
806c49db JC |
2384 | // This is safe even if the update API failed. In this case, it may be a no-op.\r |
2385 | //\r | |
2386 | RestoreArgcArgv(ParamProtocol, &Argv, &Argc);\r | |
2387 | \r | |
e3eb7d82 | 2388 | //\r |
d08a5464 | 2389 | // If a script is running and the command is not a script only command, then\r |
e3eb7d82 JC |
2390 | // change return value to success so the script won't halt (unless aborted).\r |
2391 | //\r | |
2392 | // Script only commands have to be able halt the script since the script will\r | |
2393 | // not operate if they are failing.\r | |
2394 | //\r | |
2395 | if ( ShellCommandGetCurrentScriptFile() != NULL\r | |
2396 | && !IsScriptOnlyCommand(FirstParameter)\r | |
2397 | && Status != EFI_ABORTED\r | |
2398 | ) {\r | |
806c49db JC |
2399 | Status = EFI_SUCCESS;\r |
2400 | }\r | |
2401 | \r | |
4b6b543e | 2402 | FreePool (NewCmdLine);\r |
806c49db JC |
2403 | return (Status);\r |
2404 | }\r | |
2405 | \r | |
2406 | /**\r | |
2407 | Function to run the command or file.\r | |
2408 | \r | |
2409 | @param[in] Type the type of operation being run.\r | |
2410 | @param[in] CmdLine the command line to run.\r | |
2411 | @param[in] FirstParameter the first parameter on the command line\r | |
2412 | @param[in] ParamProtocol the shell parameters protocol pointer\r | |
490ce43d | 2413 | @param[out] CommandStatus the status from the command line.\r |
806c49db JC |
2414 | \r |
2415 | @retval EFI_SUCCESS The command was completed.\r | |
2416 | @retval EFI_ABORTED The command's operation was aborted.\r | |
2417 | **/\r | |
2418 | EFI_STATUS\r | |
806c49db JC |
2419 | RunCommandOrFile(\r |
2420 | IN SHELL_OPERATION_TYPES Type,\r | |
2421 | IN CONST CHAR16 *CmdLine,\r | |
2422 | IN CHAR16 *FirstParameter,\r | |
490ce43d QS |
2423 | IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,\r |
2424 | OUT EFI_STATUS *CommandStatus\r | |
806c49db JC |
2425 | )\r |
2426 | {\r | |
2427 | EFI_STATUS Status;\r | |
cd39fe08 | 2428 | EFI_STATUS StartStatus;\r |
806c49db JC |
2429 | CHAR16 *CommandWithPath;\r |
2430 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
5223c121 | 2431 | SHELL_STATUS CalleeExitStatus;\r |
806c49db JC |
2432 | \r |
2433 | Status = EFI_SUCCESS;\r | |
2434 | CommandWithPath = NULL;\r | |
2435 | DevPath = NULL;\r | |
71c49eaf | 2436 | CalleeExitStatus = SHELL_INVALID_PARAMETER;\r |
806c49db JC |
2437 | \r |
2438 | switch (Type) {\r | |
51429264 | 2439 | case Internal_Command:\r |
490ce43d | 2440 | Status = RunInternalCommand(CmdLine, FirstParameter, ParamProtocol, CommandStatus);\r |
806c49db | 2441 | break;\r |
51429264 SQ |
2442 | case Script_File_Name:\r |
2443 | case Efi_Application:\r | |
806c49db JC |
2444 | //\r |
2445 | // Process a fully qualified path\r | |
2446 | //\r | |
2447 | if (StrStr(FirstParameter, L":") != NULL) {\r | |
2448 | ASSERT (CommandWithPath == NULL);\r | |
2449 | if (ShellIsFile(FirstParameter) == EFI_SUCCESS) {\r | |
2450 | CommandWithPath = StrnCatGrow(&CommandWithPath, NULL, FirstParameter, 0);\r | |
2451 | }\r | |
2452 | }\r | |
2453 | \r | |
2454 | //\r | |
2455 | // Process a relative path and also check in the path environment variable\r | |
2456 | //\r | |
2457 | if (CommandWithPath == NULL) {\r | |
2458 | CommandWithPath = ShellFindFilePathEx(FirstParameter, mExecutableExtensions);\r | |
2459 | }\r | |
2460 | \r | |
2461 | //\r | |
2462 | // This should be impossible now.\r | |
2463 | //\r | |
2464 | ASSERT(CommandWithPath != NULL);\r | |
2465 | \r | |
2466 | //\r | |
2467 | // Make sure that path is not just a directory (or not found)\r | |
2468 | //\r | |
2469 | if (!EFI_ERROR(ShellIsDirectory(CommandWithPath))) {\r | |
2470 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, FirstParameter);\r | |
6bd64463 | 2471 | SetLastError(SHELL_NOT_FOUND);\r |
806c49db JC |
2472 | }\r |
2473 | switch (Type) {\r | |
51429264 | 2474 | case Script_File_Name:\r |
a308e058 | 2475 | Status = RunScriptFile (CommandWithPath, NULL, CmdLine, ParamProtocol);\r |
806c49db | 2476 | break;\r |
51429264 | 2477 | case Efi_Application:\r |
806c49db JC |
2478 | //\r |
2479 | // Get the device path of the application image\r | |
2480 | //\r | |
2481 | DevPath = ShellInfoObject.NewEfiShellProtocol->GetDevicePathFromFilePath(CommandWithPath);\r | |
2482 | if (DevPath == NULL){\r | |
2483 | Status = EFI_OUT_OF_RESOURCES;\r | |
2484 | break;\r | |
2485 | }\r | |
2486 | \r | |
2487 | //\r | |
2488 | // Execute the device path\r | |
2489 | //\r | |
2490 | Status = InternalShellExecuteDevicePath(\r | |
2491 | &gImageHandle,\r | |
2492 | DevPath,\r | |
2493 | CmdLine,\r | |
2494 | NULL,\r | |
a308e058 | 2495 | &StartStatus\r |
806c49db JC |
2496 | );\r |
2497 | \r | |
2498 | SHELL_FREE_NON_NULL(DevPath);\r | |
2499 | \r | |
71c49eaf SQ |
2500 | if(EFI_ERROR (Status)) {\r |
2501 | CalleeExitStatus = (SHELL_STATUS) (Status & (~MAX_BIT));\r | |
2502 | } else {\r | |
cd39fe08 | 2503 | CalleeExitStatus = (SHELL_STATUS) StartStatus;\r |
71c49eaf SQ |
2504 | }\r |
2505 | \r | |
490ce43d QS |
2506 | if (CommandStatus != NULL) {\r |
2507 | *CommandStatus = CalleeExitStatus;\r | |
2508 | }\r | |
2509 | \r | |
806c49db JC |
2510 | //\r |
2511 | // Update last error status.\r | |
2512 | //\r | |
5223c121 | 2513 | // Status is an EFI_STATUS. Clear top bit to convert to SHELL_STATUS\r |
71c49eaf | 2514 | SetLastError(CalleeExitStatus);\r |
806c49db | 2515 | break;\r |
6fa0da7d LE |
2516 | default:\r |
2517 | //\r | |
2518 | // Do nothing.\r | |
2519 | //\r | |
2520 | break;\r | |
5a5eb806 JC |
2521 | }\r |
2522 | break;\r | |
6fa0da7d LE |
2523 | default:\r |
2524 | //\r | |
2525 | // Do nothing.\r | |
2526 | //\r | |
2527 | break;\r | |
5a5eb806 | 2528 | }\r |
806c49db JC |
2529 | \r |
2530 | SHELL_FREE_NON_NULL(CommandWithPath);\r | |
2531 | \r | |
2532 | return (Status);\r | |
2533 | }\r | |
2534 | \r | |
2535 | /**\r | |
2536 | Function to setup StdIn, StdErr, StdOut, and then run the command or file.\r | |
2537 | \r | |
2538 | @param[in] Type the type of operation being run.\r | |
2539 | @param[in] CmdLine the command line to run.\r | |
2540 | @param[in] FirstParameter the first parameter on the command line.\r | |
2541 | @param[in] ParamProtocol the shell parameters protocol pointer\r | |
490ce43d | 2542 | @param[out] CommandStatus the status from the command line.\r |
806c49db JC |
2543 | \r |
2544 | @retval EFI_SUCCESS The command was completed.\r | |
2545 | @retval EFI_ABORTED The command's operation was aborted.\r | |
2546 | **/\r | |
2547 | EFI_STATUS\r | |
806c49db | 2548 | SetupAndRunCommandOrFile(\r |
490ce43d QS |
2549 | IN SHELL_OPERATION_TYPES Type,\r |
2550 | IN CHAR16 *CmdLine,\r | |
2551 | IN CHAR16 *FirstParameter,\r | |
2552 | IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,\r | |
dcbdb8bf | 2553 | OUT EFI_STATUS *CommandStatus\r |
806c49db JC |
2554 | )\r |
2555 | {\r | |
2556 | EFI_STATUS Status;\r | |
2557 | SHELL_FILE_HANDLE OriginalStdIn;\r | |
2558 | SHELL_FILE_HANDLE OriginalStdOut;\r | |
2559 | SHELL_FILE_HANDLE OriginalStdErr;\r | |
2560 | SYSTEM_TABLE_INFO OriginalSystemTableInfo;\r | |
08222019 | 2561 | CONST SCRIPT_FILE *ConstScriptFile;\r |
806c49db JC |
2562 | \r |
2563 | //\r | |
2564 | // Update the StdIn, StdOut, and StdErr for redirection to environment variables, files, etc... unicode and ASCII\r | |
2565 | //\r | |
2566 | Status = UpdateStdInStdOutStdErr(ParamProtocol, CmdLine, &OriginalStdIn, &OriginalStdOut, &OriginalStdErr, &OriginalSystemTableInfo);\r | |
2567 | \r | |
2568 | //\r | |
2569 | // The StdIn, StdOut, and StdErr are set up.\r | |
2570 | // Now run the command, script, or application\r | |
2571 | //\r | |
2572 | if (!EFI_ERROR(Status)) {\r | |
75eb337f | 2573 | TrimSpaces(&CmdLine);\r |
490ce43d | 2574 | Status = RunCommandOrFile(Type, CmdLine, FirstParameter, ParamProtocol, CommandStatus);\r |
806c49db JC |
2575 | }\r |
2576 | \r | |
2577 | //\r | |
2578 | // Now print errors\r | |
2579 | //\r | |
2580 | if (EFI_ERROR(Status)) {\r | |
08222019 JC |
2581 | ConstScriptFile = ShellCommandGetCurrentScriptFile();\r |
2582 | if (ConstScriptFile == NULL || ConstScriptFile->CurrentCommand == NULL) {\r | |
063aa89b JC |
2583 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_ERROR), ShellInfoObject.HiiHandle, (VOID*)(Status));\r |
2584 | } else {\r | |
08222019 | 2585 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_ERROR_SCRIPT), ShellInfoObject.HiiHandle, (VOID*)(Status), ConstScriptFile->CurrentCommand->Line);\r |
063aa89b | 2586 | }\r |
806c49db JC |
2587 | }\r |
2588 | \r | |
2589 | //\r | |
2590 | // put back the original StdIn, StdOut, and StdErr\r | |
2591 | //\r | |
2592 | RestoreStdInStdOutStdErr(ParamProtocol, &OriginalStdIn, &OriginalStdOut, &OriginalStdErr, &OriginalSystemTableInfo);\r | |
2593 | \r | |
2594 | return (Status);\r | |
5a5eb806 JC |
2595 | }\r |
2596 | \r | |
a405b86d | 2597 | /**\r |
2598 | Function will process and run a command line.\r | |
2599 | \r | |
2600 | This will determine if the command line represents an internal shell \r | |
2601 | command or dispatch an external application.\r | |
2602 | \r | |
2603 | @param[in] CmdLine The command line to parse.\r | |
490ce43d | 2604 | @param[out] CommandStatus The status from the command line.\r |
a405b86d | 2605 | \r |
2606 | @retval EFI_SUCCESS The command was completed.\r | |
2607 | @retval EFI_ABORTED The command's operation was aborted.\r | |
2608 | **/\r | |
2609 | EFI_STATUS\r | |
490ce43d QS |
2610 | RunShellCommand(\r |
2611 | IN CONST CHAR16 *CmdLine,\r | |
2612 | OUT EFI_STATUS *CommandStatus\r | |
a405b86d | 2613 | )\r |
2614 | {\r | |
2615 | EFI_STATUS Status;\r | |
a405b86d | 2616 | CHAR16 *CleanOriginal;\r |
806c49db JC |
2617 | CHAR16 *FirstParameter;\r |
2618 | CHAR16 *TempWalker;\r | |
2619 | SHELL_OPERATION_TYPES Type;\r | |
f72df356 | 2620 | CONST CHAR16 *CurDir;\r |
a405b86d | 2621 | \r |
2622 | ASSERT(CmdLine != NULL);\r | |
2623 | if (StrLen(CmdLine) == 0) {\r | |
2624 | return (EFI_SUCCESS);\r | |
2625 | }\r | |
2626 | \r | |
a405b86d | 2627 | Status = EFI_SUCCESS;\r |
2628 | CleanOriginal = NULL;\r | |
a405b86d | 2629 | \r |
2630 | CleanOriginal = StrnCatGrow(&CleanOriginal, NULL, CmdLine, 0);\r | |
532691c8 | 2631 | if (CleanOriginal == NULL) {\r |
1219c85d | 2632 | return (EFI_OUT_OF_RESOURCES);\r |
532691c8 | 2633 | }\r |
284e034f | 2634 | \r |
ad2bc854 | 2635 | TrimSpaces(&CleanOriginal);\r |
a405b86d | 2636 | \r |
284e034f | 2637 | //\r |
d41a79a0 CP |
2638 | // NULL out comments (leveraged from RunScriptFileHandle() ).\r |
2639 | // The # character on a line is used to denote that all characters on the same line\r | |
2640 | // and to the right of the # are to be ignored by the shell.\r | |
d08a5464 | 2641 | // Afterwards, again remove spaces, in case any were between the last command-parameter and '#'.\r |
d41a79a0 CP |
2642 | //\r |
2643 | for (TempWalker = CleanOriginal; TempWalker != NULL && *TempWalker != CHAR_NULL; TempWalker++) {\r | |
2644 | if (*TempWalker == L'^') {\r | |
2645 | if (*(TempWalker + 1) == L'#') {\r | |
4b6b543e | 2646 | TempWalker++;\r |
d41a79a0 CP |
2647 | }\r |
2648 | } else if (*TempWalker == L'#') {\r | |
2649 | *TempWalker = CHAR_NULL;\r | |
2650 | }\r | |
2651 | }\r | |
2652 | \r | |
2653 | TrimSpaces(&CleanOriginal);\r | |
2654 | \r | |
2655 | //\r | |
284e034f CP |
2656 | // Handle case that passed in command line is just 1 or more " " characters.\r |
2657 | //\r | |
2658 | if (StrLen (CleanOriginal) == 0) {\r | |
1219c85d RN |
2659 | SHELL_FREE_NON_NULL(CleanOriginal);\r |
2660 | return (EFI_SUCCESS);\r | |
284e034f CP |
2661 | }\r |
2662 | \r | |
12a27a6d | 2663 | Status = ProcessCommandLineToFinal(&CleanOriginal);\r |
ca53c0af | 2664 | if (EFI_ERROR(Status)) {\r |
1219c85d RN |
2665 | SHELL_FREE_NON_NULL(CleanOriginal);\r |
2666 | return (Status);\r | |
a405b86d | 2667 | }\r |
2668 | \r | |
a405b86d | 2669 | //\r |
d08a5464 | 2670 | // We don't do normal processing with a split command line (output from one command input to another)\r |
a405b86d | 2671 | //\r |
1ef61d03 | 2672 | if (ContainsSplit(CleanOriginal)) {\r |
a308e058 | 2673 | Status = ProcessNewSplitCommandLine(CleanOriginal);\r |
1219c85d RN |
2674 | SHELL_FREE_NON_NULL(CleanOriginal);\r |
2675 | return (Status);\r | |
2676 | } \r | |
5b5cd144 | 2677 | \r |
806c49db JC |
2678 | //\r |
2679 | // We need the first parameter information so we can determine the operation type\r | |
2680 | //\r | |
2681 | FirstParameter = AllocateZeroPool(StrSize(CleanOriginal));\r | |
2682 | if (FirstParameter == NULL) {\r | |
1219c85d RN |
2683 | SHELL_FREE_NON_NULL(CleanOriginal);\r |
2684 | return (EFI_OUT_OF_RESOURCES);\r | |
806c49db JC |
2685 | }\r |
2686 | TempWalker = CleanOriginal;\r | |
1219c85d | 2687 | if (!EFI_ERROR(GetNextParameter(&TempWalker, &FirstParameter, StrSize(CleanOriginal), TRUE))) {\r |
14030c5c JC |
2688 | //\r |
2689 | // Depending on the first parameter we change the behavior\r | |
2690 | //\r | |
2691 | switch (Type = GetOperationType(FirstParameter)) {\r | |
2692 | case File_Sys_Change:\r | |
2693 | Status = ChangeMappedDrive (FirstParameter);\r | |
2694 | break;\r | |
2695 | case Internal_Command:\r | |
2696 | case Script_File_Name:\r | |
2697 | case Efi_Application:\r | |
490ce43d | 2698 | Status = SetupAndRunCommandOrFile(Type, CleanOriginal, FirstParameter, ShellInfoObject.NewShellParametersProtocol, CommandStatus);\r |
14030c5c JC |
2699 | break;\r |
2700 | default:\r | |
2701 | //\r | |
2702 | // Whatever was typed, it was invalid.\r | |
2703 | //\r | |
2704 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, FirstParameter);\r | |
2705 | SetLastError(SHELL_NOT_FOUND);\r | |
2706 | break;\r | |
2707 | }\r | |
2708 | } else {\r | |
2709 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, FirstParameter);\r | |
2710 | SetLastError(SHELL_NOT_FOUND);\r | |
a405b86d | 2711 | }\r |
f72df356 HL |
2712 | //\r |
2713 | // Check whether the current file system still exists. If not exist, we need update "cwd" and gShellCurMapping.\r | |
2714 | //\r | |
2715 | CurDir = EfiShellGetCurDir (NULL);\r | |
2716 | if (CurDir != NULL) {\r | |
2717 | if (EFI_ERROR(ShellFileExists (CurDir))) {\r | |
2718 | //\r | |
2719 | // EfiShellSetCurDir() cannot set current directory to NULL.\r | |
2720 | // EfiShellSetEnv() is not allowed to set the "cwd" variable.\r | |
2721 | // Only InternalEfiShellSetEnv () is allowed setting the "cwd" variable.\r | |
2722 | //\r | |
2723 | InternalEfiShellSetEnv (L"cwd", NULL, TRUE);\r | |
2724 | gShellCurMapping = NULL;\r | |
2725 | }\r | |
2726 | }\r | |
2727 | \r | |
1219c85d RN |
2728 | SHELL_FREE_NON_NULL(CleanOriginal);\r |
2729 | SHELL_FREE_NON_NULL(FirstParameter);\r | |
a405b86d | 2730 | \r |
2731 | return (Status);\r | |
2732 | }\r | |
2733 | \r | |
490ce43d QS |
2734 | /**\r |
2735 | Function will process and run a command line.\r | |
2736 | \r | |
2737 | This will determine if the command line represents an internal shell \r | |
2738 | command or dispatch an external application.\r | |
2739 | \r | |
2740 | @param[in] CmdLine The command line to parse.\r | |
2741 | \r | |
2742 | @retval EFI_SUCCESS The command was completed.\r | |
2743 | @retval EFI_ABORTED The command's operation was aborted.\r | |
2744 | **/\r | |
2745 | EFI_STATUS\r | |
490ce43d QS |
2746 | RunCommand(\r |
2747 | IN CONST CHAR16 *CmdLine\r | |
2748 | )\r | |
2749 | {\r | |
2750 | return (RunShellCommand(CmdLine, NULL));\r | |
2751 | }\r | |
2752 | \r | |
2753 | \r | |
a405b86d | 2754 | STATIC CONST UINT16 InvalidChars[] = {L'*', L'?', L'<', L'>', L'\\', L'/', L'\"', 0x0001, 0x0002};\r |
2755 | /**\r | |
d08a5464 | 2756 | Function determines if the CommandName COULD be a valid command. It does not determine whether\r |
a405b86d | 2757 | this is a valid command. It only checks for invalid characters.\r |
2758 | \r | |
2759 | @param[in] CommandName The name to check\r | |
2760 | \r | |
2761 | @retval TRUE CommandName could be a command name\r | |
2762 | @retval FALSE CommandName could not be a valid command name\r | |
2763 | **/\r | |
2764 | BOOLEAN\r | |
a405b86d | 2765 | IsValidCommandName(\r |
2766 | IN CONST CHAR16 *CommandName\r | |
2767 | )\r | |
2768 | {\r | |
2769 | UINTN Count;\r | |
2770 | if (CommandName == NULL) {\r | |
2771 | ASSERT(FALSE);\r | |
2772 | return (FALSE);\r | |
2773 | }\r | |
2774 | for ( Count = 0\r | |
2775 | ; Count < sizeof(InvalidChars) / sizeof(InvalidChars[0])\r | |
2776 | ; Count++\r | |
2777 | ){\r | |
2778 | if (ScanMem16(CommandName, StrSize(CommandName), InvalidChars[Count]) != NULL) {\r | |
2779 | return (FALSE);\r | |
2780 | }\r | |
2781 | }\r | |
2782 | return (TRUE);\r | |
2783 | }\r | |
2784 | \r | |
2785 | /**\r | |
2786 | Function to process a NSH script file via SHELL_FILE_HANDLE.\r | |
2787 | \r | |
2788 | @param[in] Handle The handle to the already opened file.\r | |
2789 | @param[in] Name The name of the script file.\r | |
2790 | \r | |
d08a5464 | 2791 | @retval EFI_SUCCESS the script completed successfully\r |
a405b86d | 2792 | **/\r |
2793 | EFI_STATUS\r | |
a405b86d | 2794 | RunScriptFileHandle (\r |
a308e058 RN |
2795 | IN SHELL_FILE_HANDLE Handle,\r |
2796 | IN CONST CHAR16 *Name\r | |
a405b86d | 2797 | )\r |
2798 | {\r | |
2799 | EFI_STATUS Status;\r | |
2800 | SCRIPT_FILE *NewScriptFile;\r | |
2801 | UINTN LoopVar;\r | |
4dc0d578 | 2802 | UINTN PrintBuffSize;\r |
a405b86d | 2803 | CHAR16 *CommandLine;\r |
2804 | CHAR16 *CommandLine2;\r | |
2805 | CHAR16 *CommandLine3;\r | |
2806 | SCRIPT_COMMAND_LIST *LastCommand;\r | |
2807 | BOOLEAN Ascii;\r | |
2808 | BOOLEAN PreScriptEchoState;\r | |
848997b5 | 2809 | BOOLEAN PreCommandEchoState;\r |
a405b86d | 2810 | CONST CHAR16 *CurDir;\r |
2811 | UINTN LineCount;\r | |
b6b22b13 | 2812 | CHAR16 LeString[50];\r |
14810d6b | 2813 | LIST_ENTRY OldBufferList;\r |
a405b86d | 2814 | \r |
2815 | ASSERT(!ShellCommandGetScriptExit());\r | |
2816 | \r | |
2817 | PreScriptEchoState = ShellCommandGetEchoState();\r | |
4dc0d578 | 2818 | PrintBuffSize = PcdGet16(PcdShellPrintBufferSize);\r |
a405b86d | 2819 | \r |
2820 | NewScriptFile = (SCRIPT_FILE*)AllocateZeroPool(sizeof(SCRIPT_FILE));\r | |
3c865f20 | 2821 | if (NewScriptFile == NULL) {\r |
2822 | return (EFI_OUT_OF_RESOURCES);\r | |
2823 | }\r | |
a405b86d | 2824 | \r |
2825 | //\r | |
2826 | // Set up the name\r | |
2827 | //\r | |
2828 | ASSERT(NewScriptFile->ScriptName == NULL);\r | |
2829 | NewScriptFile->ScriptName = StrnCatGrow(&NewScriptFile->ScriptName, NULL, Name, 0);\r | |
3c865f20 | 2830 | if (NewScriptFile->ScriptName == NULL) {\r |
2831 | DeleteScriptFileStruct(NewScriptFile);\r | |
2832 | return (EFI_OUT_OF_RESOURCES);\r | |
2833 | }\r | |
a405b86d | 2834 | \r |
2835 | //\r | |
2836 | // Save the parameters (used to replace %0 to %9 later on)\r | |
2837 | //\r | |
2838 | NewScriptFile->Argc = ShellInfoObject.NewShellParametersProtocol->Argc;\r | |
2839 | if (NewScriptFile->Argc != 0) {\r | |
2840 | NewScriptFile->Argv = (CHAR16**)AllocateZeroPool(NewScriptFile->Argc * sizeof(CHAR16*));\r | |
3c865f20 | 2841 | if (NewScriptFile->Argv == NULL) {\r |
2842 | DeleteScriptFileStruct(NewScriptFile);\r | |
2843 | return (EFI_OUT_OF_RESOURCES);\r | |
2844 | }\r | |
a405b86d | 2845 | for (LoopVar = 0 ; LoopVar < 10 && LoopVar < NewScriptFile->Argc; LoopVar++) {\r |
2846 | ASSERT(NewScriptFile->Argv[LoopVar] == NULL);\r | |
2847 | NewScriptFile->Argv[LoopVar] = StrnCatGrow(&NewScriptFile->Argv[LoopVar], NULL, ShellInfoObject.NewShellParametersProtocol->Argv[LoopVar], 0);\r | |
3c865f20 | 2848 | if (NewScriptFile->Argv[LoopVar] == NULL) {\r |
2849 | DeleteScriptFileStruct(NewScriptFile);\r | |
2850 | return (EFI_OUT_OF_RESOURCES);\r | |
2851 | }\r | |
a405b86d | 2852 | }\r |
2853 | } else {\r | |
2854 | NewScriptFile->Argv = NULL;\r | |
2855 | }\r | |
2856 | \r | |
2857 | InitializeListHead(&NewScriptFile->CommandList);\r | |
2858 | InitializeListHead(&NewScriptFile->SubstList);\r | |
2859 | \r | |
2860 | //\r | |
2861 | // Now build the list of all script commands.\r | |
2862 | //\r | |
2863 | LineCount = 0;\r | |
2864 | while(!ShellFileHandleEof(Handle)) {\r | |
2865 | CommandLine = ShellFileHandleReturnLine(Handle, &Ascii);\r | |
2866 | LineCount++;\r | |
4922715d JC |
2867 | if (CommandLine == NULL || StrLen(CommandLine) == 0 || CommandLine[0] == '#') {\r |
2868 | SHELL_FREE_NON_NULL(CommandLine);\r | |
a405b86d | 2869 | continue;\r |
2870 | }\r | |
2871 | NewScriptFile->CurrentCommand = AllocateZeroPool(sizeof(SCRIPT_COMMAND_LIST));\r | |
3c865f20 | 2872 | if (NewScriptFile->CurrentCommand == NULL) {\r |
4922715d | 2873 | SHELL_FREE_NON_NULL(CommandLine);\r |
3c865f20 | 2874 | DeleteScriptFileStruct(NewScriptFile);\r |
2875 | return (EFI_OUT_OF_RESOURCES);\r | |
2876 | }\r | |
a405b86d | 2877 | \r |
2878 | NewScriptFile->CurrentCommand->Cl = CommandLine;\r | |
2879 | NewScriptFile->CurrentCommand->Data = NULL;\r | |
2880 | NewScriptFile->CurrentCommand->Line = LineCount;\r | |
2881 | \r | |
2882 | InsertTailList(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link);\r | |
2883 | }\r | |
2884 | \r | |
2885 | //\r | |
2886 | // Add this as the topmost script file\r | |
2887 | //\r | |
2888 | ShellCommandSetNewScript (NewScriptFile);\r | |
2889 | \r | |
2890 | //\r | |
2891 | // Now enumerate through the commands and run each one.\r | |
2892 | //\r | |
4dc0d578 | 2893 | CommandLine = AllocateZeroPool(PrintBuffSize);\r |
3c865f20 | 2894 | if (CommandLine == NULL) {\r |
2895 | DeleteScriptFileStruct(NewScriptFile);\r | |
2896 | return (EFI_OUT_OF_RESOURCES);\r | |
2897 | }\r | |
4dc0d578 | 2898 | CommandLine2 = AllocateZeroPool(PrintBuffSize);\r |
3c865f20 | 2899 | if (CommandLine2 == NULL) {\r |
2900 | FreePool(CommandLine);\r | |
2901 | DeleteScriptFileStruct(NewScriptFile);\r | |
2902 | return (EFI_OUT_OF_RESOURCES);\r | |
2903 | }\r | |
a405b86d | 2904 | \r |
2905 | for ( NewScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetFirstNode(&NewScriptFile->CommandList)\r | |
2906 | ; !IsNull(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link)\r | |
2907 | ; // conditional increment in the body of the loop\r | |
2908 | ){\r | |
3c865f20 | 2909 | ASSERT(CommandLine2 != NULL);\r |
4dc0d578 QS |
2910 | StrnCpyS( CommandLine2, \r |
2911 | PrintBuffSize/sizeof(CHAR16), \r | |
2912 | NewScriptFile->CurrentCommand->Cl,\r | |
2913 | PrintBuffSize/sizeof(CHAR16) - 1\r | |
e75390f0 | 2914 | );\r |
a405b86d | 2915 | \r |
14810d6b QS |
2916 | SaveBufferList(&OldBufferList);\r |
2917 | \r | |
a405b86d | 2918 | //\r |
2919 | // NULL out comments\r | |
2920 | //\r | |
2921 | for (CommandLine3 = CommandLine2 ; CommandLine3 != NULL && *CommandLine3 != CHAR_NULL ; CommandLine3++) {\r | |
2922 | if (*CommandLine3 == L'^') {\r | |
4b6b543e | 2923 | if ( *(CommandLine3+1) == L':') {\r |
a405b86d | 2924 | CopyMem(CommandLine3, CommandLine3+1, StrSize(CommandLine3) - sizeof(CommandLine3[0]));\r |
4b6b543e QS |
2925 | } else if (*(CommandLine3+1) == L'#') {\r |
2926 | CommandLine3++;\r | |
a405b86d | 2927 | }\r |
2928 | } else if (*CommandLine3 == L'#') {\r | |
2929 | *CommandLine3 = CHAR_NULL;\r | |
2930 | }\r | |
2931 | }\r | |
2932 | \r | |
2933 | if (CommandLine2 != NULL && StrLen(CommandLine2) >= 1) {\r | |
2934 | //\r | |
2935 | // Due to variability in starting the find and replace action we need to have both buffers the same.\r | |
2936 | //\r | |
4dc0d578 QS |
2937 | StrnCpyS( CommandLine, \r |
2938 | PrintBuffSize/sizeof(CHAR16), \r | |
2939 | CommandLine2,\r | |
2940 | PrintBuffSize/sizeof(CHAR16) - 1\r | |
e75390f0 | 2941 | );\r |
a405b86d | 2942 | \r |
2943 | //\r | |
2944 | // Remove the %0 to %9 from the command line (if we have some arguments)\r | |
2945 | //\r | |
2946 | if (NewScriptFile->Argv != NULL) {\r | |
2947 | switch (NewScriptFile->Argc) {\r | |
2948 | default:\r | |
d1c275c6 | 2949 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%9", NewScriptFile->Argv[9], FALSE, FALSE);\r |
a405b86d | 2950 | ASSERT_EFI_ERROR(Status);\r |
2951 | case 9:\r | |
d1c275c6 | 2952 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%8", NewScriptFile->Argv[8], FALSE, FALSE);\r |
a405b86d | 2953 | ASSERT_EFI_ERROR(Status);\r |
2954 | case 8:\r | |
d1c275c6 | 2955 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%7", NewScriptFile->Argv[7], FALSE, FALSE);\r |
a405b86d | 2956 | ASSERT_EFI_ERROR(Status);\r |
2957 | case 7:\r | |
d1c275c6 | 2958 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%6", NewScriptFile->Argv[6], FALSE, FALSE);\r |
a405b86d | 2959 | ASSERT_EFI_ERROR(Status);\r |
2960 | case 6:\r | |
d1c275c6 | 2961 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%5", NewScriptFile->Argv[5], FALSE, FALSE);\r |
a405b86d | 2962 | ASSERT_EFI_ERROR(Status);\r |
2963 | case 5:\r | |
d1c275c6 | 2964 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%4", NewScriptFile->Argv[4], FALSE, FALSE);\r |
a405b86d | 2965 | ASSERT_EFI_ERROR(Status);\r |
2966 | case 4:\r | |
d1c275c6 | 2967 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%3", NewScriptFile->Argv[3], FALSE, FALSE);\r |
a405b86d | 2968 | ASSERT_EFI_ERROR(Status);\r |
2969 | case 3:\r | |
d1c275c6 | 2970 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%2", NewScriptFile->Argv[2], FALSE, FALSE);\r |
a405b86d | 2971 | ASSERT_EFI_ERROR(Status);\r |
2972 | case 2:\r | |
d1c275c6 | 2973 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%1", NewScriptFile->Argv[1], FALSE, FALSE);\r |
a405b86d | 2974 | ASSERT_EFI_ERROR(Status);\r |
2975 | case 1:\r | |
d1c275c6 | 2976 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%0", NewScriptFile->Argv[0], FALSE, FALSE);\r |
a405b86d | 2977 | ASSERT_EFI_ERROR(Status);\r |
2978 | break;\r | |
2979 | case 0:\r | |
2980 | break;\r | |
2981 | }\r | |
2982 | }\r | |
4dc0d578 QS |
2983 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%1", L"\"\"", FALSE, FALSE);\r |
2984 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%2", L"\"\"", FALSE, FALSE);\r | |
2985 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%3", L"\"\"", FALSE, FALSE);\r | |
2986 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%4", L"\"\"", FALSE, FALSE);\r | |
2987 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%5", L"\"\"", FALSE, FALSE);\r | |
2988 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%6", L"\"\"", FALSE, FALSE);\r | |
2989 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%7", L"\"\"", FALSE, FALSE);\r | |
2990 | Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PrintBuffSize, L"%8", L"\"\"", FALSE, FALSE);\r | |
2991 | Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PrintBuffSize, L"%9", L"\"\"", FALSE, FALSE);\r | |
2992 | \r | |
2993 | StrnCpyS( CommandLine2, \r | |
2994 | PrintBuffSize/sizeof(CHAR16), \r | |
2995 | CommandLine,\r | |
2996 | PrintBuffSize/sizeof(CHAR16) - 1\r | |
e75390f0 | 2997 | );\r |
a405b86d | 2998 | \r |
2999 | LastCommand = NewScriptFile->CurrentCommand;\r | |
3000 | \r | |
3001 | for (CommandLine3 = CommandLine2 ; CommandLine3[0] == L' ' ; CommandLine3++);\r | |
3002 | \r | |
3c865f20 | 3003 | if (CommandLine3 != NULL && CommandLine3[0] == L':' ) {\r |
a405b86d | 3004 | //\r |
3005 | // This line is a goto target / label\r | |
3006 | //\r | |
3007 | } else {\r | |
3008 | if (CommandLine3 != NULL && StrLen(CommandLine3) > 0) {\r | |
848997b5 | 3009 | if (CommandLine3[0] == L'@') {\r |
3010 | //\r | |
3011 | // We need to save the current echo state\r | |
3012 | // and disable echo for just this command.\r | |
3013 | //\r | |
3014 | PreCommandEchoState = ShellCommandGetEchoState();\r | |
3015 | ShellCommandSetEchoState(FALSE);\r | |
a308e058 | 3016 | Status = RunCommand(CommandLine3+1);\r |
848997b5 | 3017 | \r |
3018 | //\r | |
284e034f | 3019 | // If command was "@echo -off" or "@echo -on" then don't restore echo state\r |
848997b5 | 3020 | //\r |
284e034f CP |
3021 | if (StrCmp (L"@echo -off", CommandLine3) != 0 &&\r |
3022 | StrCmp (L"@echo -on", CommandLine3) != 0) {\r | |
3023 | //\r | |
3024 | // Now restore the pre-'@' echo state.\r | |
3025 | //\r | |
3026 | ShellCommandSetEchoState(PreCommandEchoState);\r | |
3027 | }\r | |
848997b5 | 3028 | } else {\r |
0d11446d | 3029 | if (ShellCommandGetEchoState()) {\r |
3030 | CurDir = ShellInfoObject.NewEfiShellProtocol->GetEnv(L"cwd");\r | |
3031 | if (CurDir != NULL && StrLen(CurDir) > 1) {\r | |
3032 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CURDIR), ShellInfoObject.HiiHandle, CurDir);\r | |
3033 | } else {\r | |
3034 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_SHELL), ShellInfoObject.HiiHandle);\r | |
3035 | }\r | |
3036 | ShellPrintEx(-1, -1, L"%s\r\n", CommandLine2);\r | |
3037 | }\r | |
a308e058 | 3038 | Status = RunCommand(CommandLine3);\r |
848997b5 | 3039 | }\r |
a405b86d | 3040 | }\r |
3041 | \r | |
3042 | if (ShellCommandGetScriptExit()) {\r | |
5b5cd144 CP |
3043 | //\r |
3044 | // ShellCommandGetExitCode() always returns a UINT64\r | |
3045 | //\r | |
a308e058 | 3046 | UnicodeSPrint(LeString, sizeof(LeString), L"0x%Lx", ShellCommandGetExitCode());\r |
5b5cd144 CP |
3047 | DEBUG_CODE(InternalEfiShellSetEnv(L"debuglasterror", LeString, TRUE););\r |
3048 | InternalEfiShellSetEnv(L"lasterror", LeString, TRUE);\r | |
b6b22b13 | 3049 | \r |
3050 | ShellCommandRegisterExit(FALSE, 0);\r | |
a405b86d | 3051 | Status = EFI_SUCCESS;\r |
14810d6b | 3052 | RestoreBufferList(&OldBufferList);\r |
a405b86d | 3053 | break;\r |
3054 | }\r | |
c6a7fef8 | 3055 | if (ShellGetExecutionBreakFlag()) {\r |
14810d6b | 3056 | RestoreBufferList(&OldBufferList);\r |
c6a7fef8 ED |
3057 | break;\r |
3058 | }\r | |
a405b86d | 3059 | if (EFI_ERROR(Status)) {\r |
14810d6b | 3060 | RestoreBufferList(&OldBufferList);\r |
a405b86d | 3061 | break;\r |
3062 | }\r | |
3063 | if (ShellCommandGetExit()) {\r | |
14810d6b | 3064 | RestoreBufferList(&OldBufferList);\r |
a405b86d | 3065 | break;\r |
3066 | }\r | |
3067 | }\r | |
3068 | //\r | |
3069 | // If that commend did not update the CurrentCommand then we need to advance it...\r | |
3070 | //\r | |
3071 | if (LastCommand == NewScriptFile->CurrentCommand) {\r | |
3072 | NewScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetNextNode(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link);\r | |
3073 | if (!IsNull(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link)) {\r | |
3074 | NewScriptFile->CurrentCommand->Reset = TRUE;\r | |
3075 | }\r | |
3076 | }\r | |
3077 | } else {\r | |
3078 | NewScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetNextNode(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link);\r | |
3079 | if (!IsNull(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link)) {\r | |
3080 | NewScriptFile->CurrentCommand->Reset = TRUE;\r | |
3081 | }\r | |
3082 | }\r | |
14810d6b | 3083 | RestoreBufferList(&OldBufferList);\r |
a405b86d | 3084 | }\r |
3085 | \r | |
a405b86d | 3086 | \r |
3087 | FreePool(CommandLine);\r | |
3088 | FreePool(CommandLine2);\r | |
3089 | ShellCommandSetNewScript (NULL);\r | |
733f138d | 3090 | \r |
3091 | //\r | |
3092 | // Only if this was the last script reset the state.\r | |
3093 | //\r | |
3094 | if (ShellCommandGetCurrentScriptFile()==NULL) {\r | |
3095 | ShellCommandSetEchoState(PreScriptEchoState);\r | |
3096 | }\r | |
a405b86d | 3097 | return (EFI_SUCCESS);\r |
3098 | }\r | |
3099 | \r | |
3100 | /**\r | |
3101 | Function to process a NSH script file.\r | |
3102 | \r | |
3103 | @param[in] ScriptPath Pointer to the script file name (including file system path).\r | |
e958b946 JC |
3104 | @param[in] Handle the handle of the script file already opened.\r |
3105 | @param[in] CmdLine the command line to run.\r | |
3106 | @param[in] ParamProtocol the shell parameters protocol pointer\r | |
a405b86d | 3107 | \r |
d08a5464 | 3108 | @retval EFI_SUCCESS the script completed successfully\r |
a405b86d | 3109 | **/\r |
3110 | EFI_STATUS\r | |
a405b86d | 3111 | RunScriptFile (\r |
a308e058 RN |
3112 | IN CONST CHAR16 *ScriptPath,\r |
3113 | IN SHELL_FILE_HANDLE Handle OPTIONAL,\r | |
3114 | IN CONST CHAR16 *CmdLine,\r | |
3115 | IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol\r | |
a405b86d | 3116 | )\r |
3117 | {\r | |
3118 | EFI_STATUS Status;\r | |
3119 | SHELL_FILE_HANDLE FileHandle;\r | |
e958b946 JC |
3120 | UINTN Argc;\r |
3121 | CHAR16 **Argv;\r | |
a405b86d | 3122 | \r |
3123 | if (ShellIsFile(ScriptPath) != EFI_SUCCESS) {\r | |
3124 | return (EFI_INVALID_PARAMETER);\r | |
3125 | }\r | |
3126 | \r | |
e958b946 JC |
3127 | //\r |
3128 | // get the argc and argv updated for scripts\r | |
3129 | //\r | |
d1c275c6 | 3130 | Status = UpdateArgcArgv(ParamProtocol, CmdLine, Script_File_Name, &Argv, &Argc);\r |
e958b946 | 3131 | if (!EFI_ERROR(Status)) {\r |
a405b86d | 3132 | \r |
e958b946 JC |
3133 | if (Handle == NULL) {\r |
3134 | //\r | |
3135 | // open the file\r | |
3136 | //\r | |
3137 | Status = ShellOpenFileByName(ScriptPath, &FileHandle, EFI_FILE_MODE_READ, 0);\r | |
3138 | if (!EFI_ERROR(Status)) {\r | |
3139 | //\r | |
3140 | // run it\r | |
3141 | //\r | |
a308e058 | 3142 | Status = RunScriptFileHandle(FileHandle, ScriptPath);\r |
a405b86d | 3143 | \r |
e958b946 JC |
3144 | //\r |
3145 | // now close the file\r | |
3146 | //\r | |
3147 | ShellCloseFile(&FileHandle);\r | |
3148 | }\r | |
3149 | } else {\r | |
a308e058 | 3150 | Status = RunScriptFileHandle(Handle, ScriptPath);\r |
e958b946 JC |
3151 | }\r |
3152 | }\r | |
3153 | \r | |
3154 | //\r | |
d08a5464 | 3155 | // This is guaranteed to be called after UpdateArgcArgv no matter what else happened.\r |
e958b946 JC |
3156 | // This is safe even if the update API failed. In this case, it may be a no-op.\r |
3157 | //\r | |
3158 | RestoreArgcArgv(ParamProtocol, &Argv, &Argc);\r | |
a405b86d | 3159 | \r |
3160 | return (Status);\r | |
3161 | }\r | |
00534bc3 | 3162 | \r |
1219c85d RN |
3163 | /**\r |
3164 | Return the pointer to the first occurrence of any character from a list of characters.\r | |
3165 | \r | |
3166 | @param[in] String the string to parse\r | |
3167 | @param[in] CharacterList the list of character to look for\r | |
3168 | @param[in] EscapeCharacter An escape character to skip\r | |
3169 | \r | |
3170 | @return the location of the first character in the string\r | |
3171 | @retval CHAR_NULL no instance of any character in CharacterList was found in String\r | |
3172 | **/\r | |
3173 | CONST CHAR16*\r | |
1219c85d RN |
3174 | FindFirstCharacter(\r |
3175 | IN CONST CHAR16 *String,\r | |
3176 | IN CONST CHAR16 *CharacterList,\r | |
3177 | IN CONST CHAR16 EscapeCharacter\r | |
3178 | )\r | |
3179 | {\r | |
3180 | UINT32 WalkChar;\r | |
3181 | UINT32 WalkStr;\r | |
3182 | \r | |
3183 | for (WalkStr = 0; WalkStr < StrLen(String); WalkStr++) {\r | |
3184 | if (String[WalkStr] == EscapeCharacter) {\r | |
3185 | WalkStr++;\r | |
3186 | continue;\r | |
3187 | }\r | |
3188 | for (WalkChar = 0; WalkChar < StrLen(CharacterList); WalkChar++) {\r | |
3189 | if (String[WalkStr] == CharacterList[WalkChar]) {\r | |
3190 | return (&String[WalkStr]);\r | |
3191 | }\r | |
3192 | }\r | |
3193 | }\r | |
3194 | return (String + StrLen(String));\r | |
3195 | }\r |