]>
Commit | Line | Data |
---|---|---|
a405b86d | 1 | /** @file\r |
2 | Provides interface to shell internal functions for shell commands.\r | |
3 | \r | |
4ba9b812 | 4 | Copyright (c) 2013-2014, Hewlett-Packard Development Company, L.P.<BR>\r |
4f67c7ff | 5 | Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>\r |
a405b86d | 6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "UefiShellCommandLib.h"\r | |
17 | \r | |
a405b86d | 18 | // STATIC local variables\r |
19 | STATIC SHELL_COMMAND_INTERNAL_LIST_ENTRY mCommandList;\r | |
20 | STATIC SCRIPT_FILE_LIST mScriptList;\r | |
21 | STATIC ALIAS_LIST mAliasList;\r | |
22 | STATIC BOOLEAN mEchoState;\r | |
23 | STATIC BOOLEAN mExitRequested;\r | |
b6b22b13 | 24 | STATIC UINT64 mExitCode;\r |
a405b86d | 25 | STATIC BOOLEAN mExitScript;\r |
26 | STATIC CHAR16 *mProfileList;\r | |
27 | STATIC UINTN mProfileListSize;\r | |
28 | STATIC UINTN mFsMaxCount = 0;\r | |
29 | STATIC UINTN mBlkMaxCount = 0;\r | |
30 | STATIC BUFFER_LIST mFileHandleList;\r | |
31 | \r | |
32 | // global variables required by library class.\r | |
a405b86d | 33 | EFI_UNICODE_COLLATION_PROTOCOL *gUnicodeCollation = NULL;\r |
a405b86d | 34 | SHELL_MAP_LIST gShellMapList;\r |
35 | SHELL_MAP_LIST *gShellCurDir = NULL;\r | |
36 | \r | |
37 | CONST CHAR16* SupportLevel[] = {\r | |
38 | L"Minimal",\r | |
39 | L"Scripting",\r | |
40 | L"Basic",\r | |
41 | L"Interactive"\r | |
42 | };\r | |
43 | \r | |
44 | /**\r | |
45 | Function to make sure that the global protocol pointers are valid.\r | |
46 | must be called after constructor before accessing the pointers.\r | |
47 | **/\r | |
48 | EFI_STATUS\r | |
49 | EFIAPI\r | |
50 | CommandInit(\r | |
51 | VOID\r | |
52 | )\r | |
53 | {\r | |
54 | EFI_STATUS Status;\r | |
a405b86d | 55 | if (gUnicodeCollation == NULL) {\r |
56 | Status = gBS->LocateProtocol(&gEfiUnicodeCollation2ProtocolGuid, NULL, (VOID**)&gUnicodeCollation);\r | |
57 | if (EFI_ERROR(Status)) {\r | |
58 | return (EFI_DEVICE_ERROR);\r | |
59 | }\r | |
60 | }\r | |
a405b86d | 61 | return (EFI_SUCCESS);\r |
62 | }\r | |
63 | \r | |
64 | /**\r | |
65 | Constructor for the Shell Command library.\r | |
66 | \r | |
67 | Initialize the library and determine if the underlying is a UEFI Shell 2.0 or an EFI shell.\r | |
68 | \r | |
69 | @param ImageHandle the image handle of the process\r | |
70 | @param SystemTable the EFI System Table pointer\r | |
71 | \r | |
72 | @retval EFI_SUCCESS the initialization was complete sucessfully\r | |
73 | **/\r | |
74 | RETURN_STATUS\r | |
75 | EFIAPI\r | |
76 | ShellCommandLibConstructor (\r | |
77 | IN EFI_HANDLE ImageHandle,\r | |
78 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
79 | )\r | |
80 | {\r | |
81 | EFI_STATUS Status;\r | |
82 | InitializeListHead(&gShellMapList.Link);\r | |
83 | InitializeListHead(&mCommandList.Link);\r | |
84 | InitializeListHead(&mAliasList.Link);\r | |
85 | InitializeListHead(&mScriptList.Link);\r | |
86 | InitializeListHead(&mFileHandleList.Link);\r | |
87 | mEchoState = TRUE;\r | |
88 | \r | |
89 | mExitRequested = FALSE;\r | |
90 | mExitScript = FALSE;\r | |
91 | mProfileListSize = 0;\r | |
92 | mProfileList = NULL;\r | |
93 | \r | |
94 | if (gUnicodeCollation == NULL) {\r | |
95 | Status = gBS->LocateProtocol(&gEfiUnicodeCollation2ProtocolGuid, NULL, (VOID**)&gUnicodeCollation);\r | |
96 | if (EFI_ERROR(Status)) {\r | |
97 | return (EFI_DEVICE_ERROR);\r | |
98 | }\r | |
99 | }\r | |
100 | \r | |
101 | return (RETURN_SUCCESS);\r | |
102 | }\r | |
103 | \r | |
4f67c7ff JC |
104 | /**\r |
105 | Frees list of file handles.\r | |
106 | \r | |
107 | @param[in] List The list to free.\r | |
108 | **/\r | |
109 | VOID\r | |
110 | EFIAPI\r | |
111 | FreeFileHandleList (\r | |
112 | IN BUFFER_LIST *List\r | |
113 | )\r | |
114 | {\r | |
115 | BUFFER_LIST *BufferListEntry;\r | |
116 | \r | |
117 | if (List == NULL){\r | |
118 | return;\r | |
119 | }\r | |
120 | //\r | |
121 | // enumerate through the buffer list and free all memory\r | |
122 | //\r | |
123 | for ( BufferListEntry = ( BUFFER_LIST *)GetFirstNode(&List->Link)\r | |
124 | ; !IsListEmpty (&List->Link)\r | |
125 | ; BufferListEntry = (BUFFER_LIST *)GetFirstNode(&List->Link)\r | |
126 | ){\r | |
127 | RemoveEntryList(&BufferListEntry->Link);\r | |
128 | ASSERT(BufferListEntry->Buffer != NULL);\r | |
129 | SHELL_FREE_NON_NULL(((SHELL_COMMAND_FILE_HANDLE*)(BufferListEntry->Buffer))->Path);\r | |
130 | SHELL_FREE_NON_NULL(BufferListEntry->Buffer);\r | |
131 | SHELL_FREE_NON_NULL(BufferListEntry);\r | |
132 | }\r | |
133 | }\r | |
134 | \r | |
a405b86d | 135 | /**\r |
136 | Destructor for the library. free any resources.\r | |
137 | \r | |
138 | @param ImageHandle the image handle of the process\r | |
139 | @param SystemTable the EFI System Table pointer\r | |
140 | \r | |
141 | @retval RETURN_SUCCESS this function always returns success\r | |
142 | **/\r | |
143 | RETURN_STATUS\r | |
144 | EFIAPI\r | |
145 | ShellCommandLibDestructor (\r | |
146 | IN EFI_HANDLE ImageHandle,\r | |
147 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
148 | )\r | |
149 | {\r | |
150 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r | |
3f869579 | 151 | ALIAS_LIST *Node2;\r |
a405b86d | 152 | SCRIPT_FILE_LIST *Node3;\r |
153 | SHELL_MAP_LIST *MapNode;\r | |
154 | //\r | |
155 | // enumerate throught the list and free all the memory\r | |
156 | //\r | |
157 | while (!IsListEmpty (&mCommandList.Link)) {\r | |
158 | Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode(&mCommandList.Link);\r | |
159 | RemoveEntryList(&Node->Link);\r | |
160 | SHELL_FREE_NON_NULL(Node->CommandString);\r | |
161 | FreePool(Node);\r | |
162 | DEBUG_CODE(Node = NULL;);\r | |
163 | }\r | |
164 | \r | |
165 | //\r | |
3f869579 | 166 | // enumerate through the alias list and free all memory\r |
a405b86d | 167 | //\r |
168 | while (!IsListEmpty (&mAliasList.Link)) {\r | |
3f869579 | 169 | Node2 = (ALIAS_LIST *)GetFirstNode(&mAliasList.Link);\r |
a405b86d | 170 | RemoveEntryList(&Node2->Link);\r |
171 | SHELL_FREE_NON_NULL(Node2->CommandString);\r | |
3f869579 | 172 | SHELL_FREE_NON_NULL(Node2->Alias);\r |
173 | SHELL_FREE_NON_NULL(Node2);\r | |
a405b86d | 174 | DEBUG_CODE(Node2 = NULL;);\r |
175 | }\r | |
176 | \r | |
177 | //\r | |
178 | // enumerate throught the list and free all the memory\r | |
179 | //\r | |
180 | while (!IsListEmpty (&mScriptList.Link)) {\r | |
181 | Node3 = (SCRIPT_FILE_LIST *)GetFirstNode(&mScriptList.Link);\r | |
182 | RemoveEntryList(&Node3->Link);\r | |
183 | DeleteScriptFileStruct(Node3->Data);\r | |
184 | FreePool(Node3);\r | |
185 | }\r | |
186 | \r | |
187 | //\r | |
188 | // enumerate throught the mappings list and free all the memory\r | |
189 | //\r | |
190 | if (!IsListEmpty(&gShellMapList.Link)) {\r | |
191 | for (MapNode = (SHELL_MAP_LIST *)GetFirstNode(&gShellMapList.Link)\r | |
192 | ; !IsListEmpty (&gShellMapList.Link)\r | |
193 | ; MapNode = (SHELL_MAP_LIST *)GetFirstNode(&gShellMapList.Link)\r | |
194 | ){\r | |
195 | ASSERT(MapNode != NULL);\r | |
196 | RemoveEntryList(&MapNode->Link);\r | |
197 | SHELL_FREE_NON_NULL(MapNode->DevicePath);\r | |
198 | SHELL_FREE_NON_NULL(MapNode->MapName);\r | |
199 | SHELL_FREE_NON_NULL(MapNode->CurrentDirectoryPath);\r | |
200 | FreePool(MapNode);\r | |
201 | }\r | |
202 | }\r | |
203 | if (!IsListEmpty(&mFileHandleList.Link)){\r | |
4f67c7ff | 204 | FreeFileHandleList(&mFileHandleList);\r |
a405b86d | 205 | }\r |
206 | \r | |
207 | if (mProfileList != NULL) {\r | |
208 | FreePool(mProfileList);\r | |
209 | }\r | |
210 | \r | |
1a63ec8f | 211 | gUnicodeCollation = NULL;\r |
1a63ec8f | 212 | gShellCurDir = NULL;\r |
213 | \r | |
a405b86d | 214 | return (RETURN_SUCCESS);\r |
215 | }\r | |
216 | \r | |
217 | /**\r | |
f5ba4007 | 218 | Find a dynamic command protocol instance given a command name string.\r |
cf812a20 JC |
219 | \r |
220 | @param CommandString the command name string\r | |
221 | \r | |
222 | @return instance the command protocol instance, if dynamic command instance found\r | |
223 | @retval NULL no dynamic command protocol instance found for name\r | |
224 | **/\r | |
225 | CONST EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *\r | |
226 | EFIAPI\r | |
227 | ShellCommandFindDynamicCommand (\r | |
228 | IN CONST CHAR16 *CommandString\r | |
229 | )\r | |
230 | {\r | |
231 | EFI_STATUS Status;\r | |
232 | EFI_HANDLE *CommandHandleList;\r | |
233 | EFI_HANDLE *NextCommand;\r | |
234 | EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *DynamicCommand;\r | |
235 | \r | |
236 | CommandHandleList = GetHandleListByProtocol(&gEfiShellDynamicCommandProtocolGuid);\r | |
237 | if (CommandHandleList == NULL) {\r | |
238 | //\r | |
239 | // not found or out of resources\r | |
240 | //\r | |
241 | return NULL; \r | |
242 | }\r | |
243 | \r | |
244 | for (NextCommand = CommandHandleList; *NextCommand != NULL; NextCommand++) {\r | |
245 | Status = gBS->HandleProtocol(\r | |
246 | *NextCommand,\r | |
247 | &gEfiShellDynamicCommandProtocolGuid,\r | |
248 | (VOID **)&DynamicCommand\r | |
249 | );\r | |
250 | \r | |
251 | if (EFI_ERROR(Status)) {\r | |
252 | continue;\r | |
253 | }\r | |
254 | \r | |
255 | if (gUnicodeCollation->StriColl(\r | |
256 | gUnicodeCollation,\r | |
257 | (CHAR16*)CommandString,\r | |
258 | (CHAR16*)DynamicCommand->CommandName) == 0 \r | |
259 | ){\r | |
260 | FreePool(CommandHandleList);\r | |
261 | return (DynamicCommand);\r | |
262 | }\r | |
263 | }\r | |
264 | \r | |
265 | FreePool(CommandHandleList);\r | |
266 | return (NULL);\r | |
267 | }\r | |
268 | \r | |
269 | /**\r | |
270 | Checks if a command exists as a dynamic command protocol instance\r | |
a405b86d | 271 | \r |
272 | @param[in] CommandString The command string to check for on the list.\r | |
273 | **/\r | |
274 | BOOLEAN\r | |
275 | EFIAPI\r | |
cf812a20 JC |
276 | ShellCommandDynamicCommandExists (\r |
277 | IN CONST CHAR16 *CommandString\r | |
278 | )\r | |
279 | {\r | |
f5ba4007 | 280 | return (BOOLEAN) ((ShellCommandFindDynamicCommand(CommandString) != NULL));\r |
cf812a20 JC |
281 | }\r |
282 | \r | |
283 | /**\r | |
284 | Checks if a command is already on the internal command list.\r | |
285 | \r | |
286 | @param[in] CommandString The command string to check for on the list.\r | |
287 | **/\r | |
288 | BOOLEAN\r | |
289 | EFIAPI\r | |
290 | ShellCommandIsCommandOnInternalList(\r | |
291 | IN CONST CHAR16 *CommandString\r | |
a405b86d | 292 | )\r |
293 | {\r | |
294 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r | |
295 | \r | |
296 | //\r | |
297 | // assert for NULL parameter\r | |
298 | //\r | |
299 | ASSERT(CommandString != NULL);\r | |
300 | \r | |
301 | //\r | |
302 | // check for the command\r | |
303 | //\r | |
304 | for ( Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode(&mCommandList.Link)\r | |
305 | ; !IsNull(&mCommandList.Link, &Node->Link)\r | |
306 | ; Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetNextNode(&mCommandList.Link, &Node->Link)\r | |
307 | ){\r | |
308 | ASSERT(Node->CommandString != NULL);\r | |
309 | if (gUnicodeCollation->StriColl(\r | |
310 | gUnicodeCollation,\r | |
311 | (CHAR16*)CommandString,\r | |
312 | Node->CommandString) == 0\r | |
313 | ){\r | |
314 | return (TRUE);\r | |
315 | }\r | |
316 | }\r | |
317 | return (FALSE);\r | |
318 | }\r | |
319 | \r | |
320 | /**\r | |
cf812a20 JC |
321 | Checks if a command exists, either internally or through the dynamic command protocol.\r |
322 | \r | |
323 | @param[in] CommandString The command string to check for on the list.\r | |
324 | **/\r | |
325 | BOOLEAN\r | |
326 | EFIAPI\r | |
327 | ShellCommandIsCommandOnList(\r | |
328 | IN CONST CHAR16 *CommandString\r | |
329 | )\r | |
330 | {\r | |
331 | if (ShellCommandIsCommandOnInternalList(CommandString)) {\r | |
332 | return TRUE;\r | |
333 | }\r | |
334 | \r | |
335 | return ShellCommandDynamicCommandExists(CommandString);\r | |
336 | }\r | |
337 | \r | |
338 | /**\r | |
339 | Get the help text for a dynamic command.\r | |
340 | \r | |
341 | @param[in] CommandString The command name.\r | |
342 | \r | |
343 | @retval NULL No help text was found.\r | |
344 | @return String of help text. Caller required to free.\r | |
345 | **/\r | |
346 | CHAR16*\r | |
347 | EFIAPI\r | |
348 | ShellCommandGetDynamicCommandHelp(\r | |
349 | IN CONST CHAR16 *CommandString\r | |
350 | )\r | |
351 | {\r | |
352 | EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *DynamicCommand;\r | |
353 | \r | |
354 | DynamicCommand = (EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *)ShellCommandFindDynamicCommand(CommandString);\r | |
355 | if (DynamicCommand == NULL) {\r | |
356 | return (NULL);\r | |
357 | }\r | |
358 | \r | |
359 | //\r | |
360 | // TODO: how to get proper language?\r | |
361 | //\r | |
362 | return DynamicCommand->GetHelp(DynamicCommand, "en"); \r | |
363 | }\r | |
364 | \r | |
365 | /**\r | |
366 | Get the help text for an internal command.\r | |
a405b86d | 367 | \r |
368 | @param[in] CommandString The command name.\r | |
369 | \r | |
370 | @retval NULL No help text was found.\r | |
371 | @return String of help text. Caller reuiqred to free.\r | |
372 | **/\r | |
373 | CHAR16*\r | |
374 | EFIAPI\r | |
cf812a20 | 375 | ShellCommandGetInternalCommandHelp(\r |
a405b86d | 376 | IN CONST CHAR16 *CommandString\r |
377 | )\r | |
378 | {\r | |
379 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r | |
380 | \r | |
381 | //\r | |
382 | // assert for NULL parameter\r | |
383 | //\r | |
384 | ASSERT(CommandString != NULL);\r | |
385 | \r | |
386 | //\r | |
387 | // check for the command\r | |
388 | //\r | |
389 | for ( Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode(&mCommandList.Link)\r | |
390 | ; !IsNull(&mCommandList.Link, &Node->Link)\r | |
391 | ; Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetNextNode(&mCommandList.Link, &Node->Link)\r | |
392 | ){\r | |
393 | ASSERT(Node->CommandString != NULL);\r | |
394 | if (gUnicodeCollation->StriColl(\r | |
395 | gUnicodeCollation,\r | |
396 | (CHAR16*)CommandString,\r | |
397 | Node->CommandString) == 0\r | |
398 | ){\r | |
399 | return (HiiGetString(Node->HiiHandle, Node->ManFormatHelp, NULL));\r | |
400 | }\r | |
401 | }\r | |
402 | return (NULL);\r | |
403 | }\r | |
404 | \r | |
cf812a20 JC |
405 | /**\r |
406 | Get the help text for a command.\r | |
407 | \r | |
408 | @param[in] CommandString The command name.\r | |
409 | \r | |
410 | @retval NULL No help text was found.\r | |
411 | @return String of help text.Caller reuiqred to free.\r | |
412 | **/\r | |
413 | CHAR16*\r | |
414 | EFIAPI\r | |
415 | ShellCommandGetCommandHelp (\r | |
416 | IN CONST CHAR16 *CommandString\r | |
417 | )\r | |
418 | {\r | |
419 | CHAR16 *HelpStr;\r | |
420 | HelpStr = ShellCommandGetInternalCommandHelp(CommandString);\r | |
421 | \r | |
422 | if (HelpStr == NULL) {\r | |
423 | HelpStr = ShellCommandGetDynamicCommandHelp(CommandString);\r | |
424 | }\r | |
425 | \r | |
426 | return HelpStr;\r | |
427 | }\r | |
428 | \r | |
429 | \r | |
a405b86d | 430 | /**\r |
431 | Registers handlers of type SHELL_RUN_COMMAND and\r | |
432 | SHELL_GET_MAN_FILENAME for each shell command.\r | |
433 | \r | |
434 | If the ShellSupportLevel is greater than the value of the\r | |
435 | PcdShellSupportLevel then return RETURN_UNSUPPORTED.\r | |
436 | \r | |
437 | Registers the handlers specified by GetHelpInfoHandler and CommandHandler\r | |
438 | with the command specified by CommandString. If the command named by\r | |
439 | CommandString has already been registered, then return\r | |
440 | RETURN_ALREADY_STARTED.\r | |
441 | \r | |
442 | If there are not enough resources available to register the handlers then\r | |
443 | RETURN_OUT_OF_RESOURCES is returned.\r | |
444 | \r | |
445 | If CommandString is NULL, then ASSERT().\r | |
446 | If GetHelpInfoHandler is NULL, then ASSERT().\r | |
447 | If CommandHandler is NULL, then ASSERT().\r | |
448 | If ProfileName is NULL, then ASSERT().\r | |
449 | \r | |
450 | @param[in] CommandString Pointer to the command name. This is the\r | |
451 | name to look for on the command line in\r | |
452 | the shell.\r | |
453 | @param[in] CommandHandler Pointer to a function that runs the\r | |
454 | specified command.\r | |
455 | @param[in] GetManFileName Pointer to a function that provides man\r | |
456 | filename.\r | |
457 | @param[in] ShellMinSupportLevel minimum Shell Support Level which has this\r | |
458 | function.\r | |
459 | @param[in] ProfileName profile name to require for support of this\r | |
460 | function.\r | |
461 | @param[in] CanAffectLE indicates whether this command's return value\r | |
462 | can change the LASTERROR environment variable.\r | |
463 | @param[in] HiiHandle Handle of this command's HII entry.\r | |
464 | @param[in] ManFormatHelp HII locator for the help text.\r | |
465 | \r | |
466 | @retval RETURN_SUCCESS The handlers were registered.\r | |
467 | @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to\r | |
468 | register the shell command.\r | |
469 | @retval RETURN_UNSUPPORTED the ShellMinSupportLevel was higher than the\r | |
470 | currently allowed support level.\r | |
471 | @retval RETURN_ALREADY_STARTED The CommandString represents a command that\r | |
472 | is already registered. Only 1 handler set for\r | |
473 | a given command is allowed.\r | |
474 | @sa SHELL_GET_MAN_FILENAME\r | |
475 | @sa SHELL_RUN_COMMAND\r | |
476 | **/\r | |
477 | RETURN_STATUS\r | |
478 | EFIAPI\r | |
479 | ShellCommandRegisterCommandName (\r | |
480 | IN CONST CHAR16 *CommandString,\r | |
481 | IN SHELL_RUN_COMMAND CommandHandler,\r | |
482 | IN SHELL_GET_MAN_FILENAME GetManFileName,\r | |
483 | IN UINT32 ShellMinSupportLevel,\r | |
484 | IN CONST CHAR16 *ProfileName,\r | |
485 | IN CONST BOOLEAN CanAffectLE,\r | |
486 | IN CONST EFI_HANDLE HiiHandle,\r | |
487 | IN CONST EFI_STRING_ID ManFormatHelp\r | |
488 | )\r | |
489 | {\r | |
490 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r | |
d51088b7 | 491 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Command;\r |
492 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *PrevCommand;\r | |
493 | INTN LexicalMatchValue;\r | |
494 | \r | |
495 | //\r | |
496 | // Initialize local variables.\r | |
497 | //\r | |
498 | Command = NULL;\r | |
499 | PrevCommand = NULL;\r | |
500 | LexicalMatchValue = 0;\r | |
a405b86d | 501 | \r |
502 | //\r | |
503 | // ASSERTs for NULL parameters\r | |
504 | //\r | |
505 | ASSERT(CommandString != NULL);\r | |
506 | ASSERT(GetManFileName != NULL);\r | |
507 | ASSERT(CommandHandler != NULL);\r | |
508 | ASSERT(ProfileName != NULL);\r | |
509 | \r | |
510 | //\r | |
511 | // check for shell support level\r | |
512 | //\r | |
513 | if (PcdGet8(PcdShellSupportLevel) < ShellMinSupportLevel) {\r | |
514 | return (RETURN_UNSUPPORTED);\r | |
515 | }\r | |
516 | \r | |
517 | //\r | |
518 | // check for already on the list\r | |
519 | //\r | |
520 | if (ShellCommandIsCommandOnList(CommandString)) {\r | |
521 | return (RETURN_ALREADY_STARTED);\r | |
522 | }\r | |
523 | \r | |
524 | //\r | |
525 | // allocate memory for new struct\r | |
526 | //\r | |
1a63ec8f | 527 | Node = AllocateZeroPool(sizeof(SHELL_COMMAND_INTERNAL_LIST_ENTRY));\r |
a405b86d | 528 | ASSERT(Node != NULL);\r |
53173337 | 529 | Node->CommandString = AllocateCopyPool(StrSize(CommandString), CommandString);\r |
a405b86d | 530 | ASSERT(Node->CommandString != NULL);\r |
531 | \r | |
a405b86d | 532 | Node->GetManFileName = GetManFileName;\r |
533 | Node->CommandHandler = CommandHandler;\r | |
534 | Node->LastError = CanAffectLE;\r | |
535 | Node->HiiHandle = HiiHandle;\r | |
536 | Node->ManFormatHelp = ManFormatHelp;\r | |
537 | \r | |
538 | if ( StrLen(ProfileName)>0\r | |
539 | && ((mProfileList != NULL\r | |
540 | && StrStr(mProfileList, ProfileName) == NULL) || mProfileList == NULL)\r | |
541 | ){\r | |
542 | ASSERT((mProfileList == NULL && mProfileListSize == 0) || (mProfileList != NULL));\r | |
543 | if (mProfileList == NULL) {\r | |
544 | //\r | |
545 | // If this is the first make a leading ';'\r | |
546 | //\r | |
547 | StrnCatGrow(&mProfileList, &mProfileListSize, L";", 0);\r | |
548 | }\r | |
549 | StrnCatGrow(&mProfileList, &mProfileListSize, ProfileName, 0);\r | |
550 | StrnCatGrow(&mProfileList, &mProfileListSize, L";", 0);\r | |
551 | }\r | |
552 | \r | |
553 | //\r | |
d51088b7 | 554 | // Insert a new entry on top of the list\r |
555 | //\r | |
556 | InsertHeadList (&mCommandList.Link, &Node->Link);\r | |
557 | \r | |
558 | //\r | |
559 | // Move a new registered command to its sorted ordered location in the list\r | |
a405b86d | 560 | //\r |
d51088b7 | 561 | for (Command = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode (&mCommandList.Link),\r |
562 | PrevCommand = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode (&mCommandList.Link)\r | |
563 | ; !IsNull (&mCommandList.Link, &Command->Link)\r | |
564 | ; Command = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetNextNode (&mCommandList.Link, &Command->Link)) {\r | |
565 | \r | |
566 | //\r | |
567 | // Get Lexical Comparison Value between PrevCommand and Command list entry\r | |
568 | //\r | |
569 | LexicalMatchValue = gUnicodeCollation->StriColl (\r | |
570 | gUnicodeCollation,\r | |
571 | PrevCommand->CommandString,\r | |
572 | Command->CommandString\r | |
573 | );\r | |
574 | \r | |
575 | //\r | |
576 | // Swap PrevCommand and Command list entry if PrevCommand list entry\r | |
577 | // is alphabetically greater than Command list entry\r | |
578 | //\r | |
579 | if (LexicalMatchValue > 0){\r | |
580 | Command = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *) SwapListEntries (&PrevCommand->Link, &Command->Link);\r | |
581 | } else if (LexicalMatchValue < 0) {\r | |
582 | //\r | |
583 | // PrevCommand entry is lexically lower than Command entry\r | |
584 | //\r | |
585 | break;\r | |
586 | }\r | |
587 | }\r | |
a405b86d | 588 | \r |
589 | return (RETURN_SUCCESS);\r | |
590 | }\r | |
591 | \r | |
592 | /**\r | |
593 | Function to get the current Profile string.\r | |
594 | \r | |
595 | @retval NULL There are no installed profiles.\r | |
596 | @return A semi-colon delimited list of profiles.\r | |
597 | **/\r | |
598 | CONST CHAR16 *\r | |
599 | EFIAPI\r | |
600 | ShellCommandGetProfileList (\r | |
601 | VOID\r | |
602 | )\r | |
603 | {\r | |
604 | return (mProfileList);\r | |
605 | }\r | |
606 | \r | |
607 | /**\r | |
608 | Checks if a command string has been registered for CommandString and if so it runs\r | |
609 | the previously registered handler for that command with the command line.\r | |
610 | \r | |
611 | If CommandString is NULL, then ASSERT().\r | |
612 | \r | |
613 | If Sections is specified, then each section name listed will be compared in a casesensitive\r | |
614 | manner, to the section names described in Appendix B UEFI Shell 2.0 spec. If the section exists,\r | |
615 | it will be appended to the returned help text. If the section does not exist, no\r | |
616 | information will be returned. If Sections is NULL, then all help text information\r | |
617 | available will be returned.\r | |
618 | \r | |
4ff7e37b ED |
619 | @param[in] CommandString Pointer to the command name. This is the name\r |
620 | found on the command line in the shell.\r | |
621 | @param[in, out] RetVal Pointer to the return vaule from the command handler.\r | |
a405b86d | 622 | \r |
4ff7e37b ED |
623 | @param[in, out] CanAffectLE indicates whether this command's return value\r |
624 | needs to be placed into LASTERROR environment variable.\r | |
a405b86d | 625 | \r |
626 | @retval RETURN_SUCCESS The handler was run.\r | |
627 | @retval RETURN_NOT_FOUND The CommandString did not match a registered\r | |
628 | command name.\r | |
629 | @sa SHELL_RUN_COMMAND\r | |
630 | **/\r | |
631 | RETURN_STATUS\r | |
632 | EFIAPI\r | |
633 | ShellCommandRunCommandHandler (\r | |
634 | IN CONST CHAR16 *CommandString,\r | |
635 | IN OUT SHELL_STATUS *RetVal,\r | |
636 | IN OUT BOOLEAN *CanAffectLE OPTIONAL\r | |
637 | )\r | |
638 | {\r | |
cf812a20 JC |
639 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r |
640 | EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *DynamicCommand;\r | |
a405b86d | 641 | \r |
642 | //\r | |
643 | // assert for NULL parameters\r | |
644 | //\r | |
645 | ASSERT(CommandString != NULL);\r | |
646 | \r | |
647 | //\r | |
648 | // check for the command\r | |
649 | //\r | |
650 | for ( Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode(&mCommandList.Link)\r | |
651 | ; !IsNull(&mCommandList.Link, &Node->Link)\r | |
652 | ; Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetNextNode(&mCommandList.Link, &Node->Link)\r | |
653 | ){\r | |
654 | ASSERT(Node->CommandString != NULL);\r | |
655 | if (gUnicodeCollation->StriColl(\r | |
656 | gUnicodeCollation,\r | |
657 | (CHAR16*)CommandString,\r | |
658 | Node->CommandString) == 0\r | |
cf812a20 | 659 | ){\r |
a405b86d | 660 | if (CanAffectLE != NULL) {\r |
661 | *CanAffectLE = Node->LastError;\r | |
662 | }\r | |
663 | if (RetVal != NULL) {\r | |
664 | *RetVal = Node->CommandHandler(NULL, gST);\r | |
665 | } else {\r | |
666 | Node->CommandHandler(NULL, gST);\r | |
667 | }\r | |
668 | return (RETURN_SUCCESS);\r | |
669 | }\r | |
670 | }\r | |
cf812a20 JC |
671 | \r |
672 | //\r | |
673 | // An internal command was not found, try to find a dynamic command\r | |
674 | //\r | |
675 | DynamicCommand = (EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *)ShellCommandFindDynamicCommand(CommandString);\r | |
676 | if (DynamicCommand != NULL) {\r | |
677 | if (RetVal != NULL) {\r | |
678 | *RetVal = DynamicCommand->Handler(DynamicCommand, gST, gEfiShellParametersProtocol, gEfiShellProtocol);\r | |
679 | } else {\r | |
680 | DynamicCommand->Handler(DynamicCommand, gST, gEfiShellParametersProtocol, gEfiShellProtocol);\r | |
681 | }\r | |
682 | return (RETURN_SUCCESS);\r | |
683 | }\r | |
684 | \r | |
a405b86d | 685 | return (RETURN_NOT_FOUND);\r |
686 | }\r | |
687 | \r | |
688 | /**\r | |
689 | Checks if a command string has been registered for CommandString and if so it\r | |
690 | returns the MAN filename specified for that command.\r | |
691 | \r | |
692 | If CommandString is NULL, then ASSERT().\r | |
693 | \r | |
694 | @param[in] CommandString Pointer to the command name. This is the name\r | |
695 | found on the command line in the shell.\\r | |
696 | \r | |
697 | @retval NULL the commandString was not a registered command.\r | |
698 | @return other the name of the MAN file.\r | |
699 | @sa SHELL_GET_MAN_FILENAME\r | |
700 | **/\r | |
701 | CONST CHAR16*\r | |
702 | EFIAPI\r | |
703 | ShellCommandGetManFileNameHandler (\r | |
704 | IN CONST CHAR16 *CommandString\r | |
705 | )\r | |
706 | {\r | |
707 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r | |
708 | \r | |
709 | //\r | |
710 | // assert for NULL parameters\r | |
711 | //\r | |
712 | ASSERT(CommandString != NULL);\r | |
713 | \r | |
714 | //\r | |
715 | // check for the command\r | |
716 | //\r | |
717 | for ( Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode(&mCommandList.Link)\r | |
718 | ; !IsNull(&mCommandList.Link, &Node->Link)\r | |
719 | ; Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetNextNode(&mCommandList.Link, &Node->Link)\r | |
720 | ){\r | |
721 | ASSERT(Node->CommandString != NULL);\r | |
722 | if (gUnicodeCollation->StriColl(\r | |
723 | gUnicodeCollation,\r | |
724 | (CHAR16*)CommandString,\r | |
725 | Node->CommandString) == 0\r | |
726 | ){\r | |
727 | return (Node->GetManFileName());\r | |
728 | }\r | |
729 | }\r | |
730 | return (NULL);\r | |
731 | }\r | |
732 | \r | |
733 | /**\r | |
734 | Get the list of all available shell internal commands. This is a linked list\r | |
735 | (via LIST_ENTRY structure). enumerate through it using the BaseLib linked\r | |
736 | list functions. do not modify the values.\r | |
737 | \r | |
1a63ec8f | 738 | @param[in] Sort TRUE to alphabetically sort the values first. FALSE otherwise.\r |
739 | \r | |
a405b86d | 740 | @return a Linked list of all available shell commands.\r |
741 | **/\r | |
742 | CONST COMMAND_LIST*\r | |
743 | EFIAPI\r | |
744 | ShellCommandGetCommandList (\r | |
1a63ec8f | 745 | IN CONST BOOLEAN Sort\r |
a405b86d | 746 | )\r |
747 | {\r | |
1a63ec8f | 748 | // if (!Sort) {\r |
749 | // return ((COMMAND_LIST*)(&mCommandList));\r | |
750 | // }\r | |
a405b86d | 751 | return ((COMMAND_LIST*)(&mCommandList));\r |
752 | }\r | |
753 | \r | |
754 | /**\r | |
755 | Registers aliases to be set as part of the initialization of the shell application.\r | |
756 | \r | |
757 | If Command is NULL, then ASSERT().\r | |
758 | If Alias is NULL, then ASSERT().\r | |
759 | \r | |
760 | @param[in] Command Pointer to the Command\r | |
761 | @param[in] Alias Pointer to Alias\r | |
762 | \r | |
763 | @retval RETURN_SUCCESS The handlers were registered.\r | |
764 | @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to\r | |
765 | register the shell command.\r | |
766 | **/\r | |
767 | RETURN_STATUS\r | |
768 | EFIAPI\r | |
769 | ShellCommandRegisterAlias (\r | |
770 | IN CONST CHAR16 *Command,\r | |
771 | IN CONST CHAR16 *Alias\r | |
772 | )\r | |
773 | {\r | |
774 | ALIAS_LIST *Node;\r | |
4ba9b812 TS |
775 | ALIAS_LIST *CommandAlias;\r |
776 | ALIAS_LIST *PrevCommandAlias; \r | |
777 | INTN LexicalMatchValue;\r | |
a405b86d | 778 | \r |
779 | //\r | |
780 | // Asserts for NULL\r | |
781 | //\r | |
782 | ASSERT(Command != NULL);\r | |
783 | ASSERT(Alias != NULL);\r | |
784 | \r | |
785 | //\r | |
786 | // allocate memory for new struct\r | |
787 | //\r | |
1a63ec8f | 788 | Node = AllocateZeroPool(sizeof(ALIAS_LIST));\r |
a405b86d | 789 | ASSERT(Node != NULL);\r |
53173337 JC |
790 | Node->CommandString = AllocateCopyPool(StrSize(Command), Command);\r |
791 | Node->Alias = AllocateCopyPool(StrSize(Alias), Alias);\r | |
a405b86d | 792 | ASSERT(Node->CommandString != NULL);\r |
793 | ASSERT(Node->Alias != NULL);\r | |
794 | \r | |
4ba9b812 TS |
795 | InsertHeadList (&mAliasList.Link, &Node->Link);\r |
796 | \r | |
a405b86d | 797 | //\r |
4ba9b812 | 798 | // Move a new pre-defined registered alias to its sorted ordered location in the list\r |
a405b86d | 799 | //\r |
4ba9b812 TS |
800 | for ( CommandAlias = (ALIAS_LIST *)GetFirstNode (&mAliasList.Link),\r |
801 | PrevCommandAlias = (ALIAS_LIST *)GetFirstNode (&mAliasList.Link)\r | |
802 | ; !IsNull (&mAliasList.Link, &CommandAlias->Link)\r | |
803 | ; CommandAlias = (ALIAS_LIST *) GetNextNode (&mAliasList.Link, &CommandAlias->Link) ) {\r | |
804 | //\r | |
805 | // Get Lexical comparison value between PrevCommandAlias and CommandAlias List Entry\r | |
806 | //\r | |
807 | LexicalMatchValue = gUnicodeCollation->StriColl (\r | |
808 | gUnicodeCollation,\r | |
809 | PrevCommandAlias->Alias,\r | |
810 | CommandAlias->Alias\r | |
811 | );\r | |
812 | \r | |
813 | //\r | |
814 | // Swap PrevCommandAlias and CommandAlias list entry if PrevCommandAlias list entry\r | |
815 | // is alphabetically greater than CommandAlias list entry\r | |
816 | // \r | |
817 | if (LexicalMatchValue > 0) {\r | |
818 | CommandAlias = (ALIAS_LIST *) SwapListEntries (&PrevCommandAlias->Link, &CommandAlias->Link);\r | |
819 | } else if (LexicalMatchValue < 0) {\r | |
820 | //\r | |
821 | // PrevCommandAlias entry is lexically lower than CommandAlias entry\r | |
822 | //\r | |
823 | break;\r | |
824 | }\r | |
825 | }\r | |
a405b86d | 826 | \r |
827 | return (RETURN_SUCCESS);\r | |
828 | }\r | |
829 | \r | |
830 | /**\r | |
831 | Get the list of all shell alias commands. This is a linked list\r | |
832 | (via LIST_ENTRY structure). enumerate through it using the BaseLib linked\r | |
833 | list functions. do not modify the values.\r | |
834 | \r | |
835 | @return a Linked list of all requested shell alias'.\r | |
836 | **/\r | |
837 | CONST ALIAS_LIST*\r | |
838 | EFIAPI\r | |
839 | ShellCommandGetInitAliasList (\r | |
840 | VOID\r | |
841 | )\r | |
842 | {\r | |
843 | return (&mAliasList);\r | |
844 | }\r | |
845 | \r | |
846 | /**\r | |
1a63ec8f | 847 | Determine if a given alias is on the list of built in alias'.\r |
a405b86d | 848 | \r |
849 | @param[in] Alias The alias to test for\r | |
850 | \r | |
851 | @retval TRUE The alias is a built in alias\r | |
852 | @retval FALSE The alias is not a built in alias\r | |
853 | **/\r | |
854 | BOOLEAN\r | |
855 | EFIAPI\r | |
856 | ShellCommandIsOnAliasList(\r | |
857 | IN CONST CHAR16 *Alias\r | |
858 | )\r | |
859 | {\r | |
860 | ALIAS_LIST *Node;\r | |
861 | \r | |
862 | //\r | |
863 | // assert for NULL parameter\r | |
864 | //\r | |
865 | ASSERT(Alias != NULL);\r | |
866 | \r | |
867 | //\r | |
868 | // check for the Alias\r | |
869 | //\r | |
870 | for ( Node = (ALIAS_LIST *)GetFirstNode(&mAliasList.Link)\r | |
871 | ; !IsNull(&mAliasList.Link, &Node->Link)\r | |
872 | ; Node = (ALIAS_LIST *)GetNextNode(&mAliasList.Link, &Node->Link)\r | |
873 | ){\r | |
874 | ASSERT(Node->CommandString != NULL);\r | |
875 | ASSERT(Node->Alias != NULL);\r | |
876 | if (gUnicodeCollation->StriColl(\r | |
877 | gUnicodeCollation,\r | |
878 | (CHAR16*)Alias,\r | |
879 | Node->CommandString) == 0\r | |
880 | ){\r | |
881 | return (TRUE);\r | |
882 | }\r | |
883 | if (gUnicodeCollation->StriColl(\r | |
884 | gUnicodeCollation,\r | |
885 | (CHAR16*)Alias,\r | |
886 | Node->Alias) == 0\r | |
887 | ){\r | |
888 | return (TRUE);\r | |
889 | }\r | |
890 | }\r | |
891 | return (FALSE);\r | |
892 | }\r | |
893 | \r | |
894 | /**\r | |
895 | Function to determine current state of ECHO. Echo determins if lines from scripts\r | |
896 | and ECHO commands are enabled.\r | |
897 | \r | |
898 | @retval TRUE Echo is currently enabled\r | |
899 | @retval FALSE Echo is currently disabled\r | |
900 | **/\r | |
901 | BOOLEAN\r | |
902 | EFIAPI\r | |
903 | ShellCommandGetEchoState(\r | |
904 | VOID\r | |
905 | )\r | |
906 | {\r | |
907 | return (mEchoState);\r | |
908 | }\r | |
909 | \r | |
910 | /**\r | |
911 | Function to set current state of ECHO. Echo determins if lines from scripts\r | |
912 | and ECHO commands are enabled.\r | |
913 | \r | |
914 | If State is TRUE, Echo will be enabled.\r | |
915 | If State is FALSE, Echo will be disabled.\r | |
1a63ec8f | 916 | \r |
917 | @param[in] State How to set echo.\r | |
a405b86d | 918 | **/\r |
919 | VOID\r | |
920 | EFIAPI\r | |
921 | ShellCommandSetEchoState(\r | |
922 | IN BOOLEAN State\r | |
923 | )\r | |
924 | {\r | |
925 | mEchoState = State;\r | |
926 | }\r | |
927 | \r | |
928 | /**\r | |
929 | Indicate that the current shell or script should exit.\r | |
930 | \r | |
b6b22b13 | 931 | @param[in] ScriptOnly TRUE if exiting a script; FALSE otherwise.\r |
932 | @param[in] ErrorCode The 64 bit error code to return.\r | |
a405b86d | 933 | **/\r |
934 | VOID\r | |
935 | EFIAPI\r | |
936 | ShellCommandRegisterExit (\r | |
b6b22b13 | 937 | IN BOOLEAN ScriptOnly,\r |
938 | IN CONST UINT64 ErrorCode\r | |
a405b86d | 939 | )\r |
940 | {\r | |
941 | mExitRequested = (BOOLEAN)(!mExitRequested);\r | |
942 | if (mExitRequested) {\r | |
943 | mExitScript = ScriptOnly;\r | |
944 | } else {\r | |
945 | mExitScript = FALSE;\r | |
946 | }\r | |
b6b22b13 | 947 | mExitCode = ErrorCode;\r |
a405b86d | 948 | }\r |
949 | \r | |
950 | /**\r | |
951 | Retrieve the Exit indicator.\r | |
952 | \r | |
953 | @retval TRUE Exit was indicated.\r | |
954 | @retval FALSE Exis was not indicated.\r | |
955 | **/\r | |
956 | BOOLEAN\r | |
957 | EFIAPI\r | |
958 | ShellCommandGetExit (\r | |
959 | VOID\r | |
960 | )\r | |
961 | {\r | |
962 | return (mExitRequested);\r | |
963 | }\r | |
964 | \r | |
b6b22b13 | 965 | /**\r |
966 | Retrieve the Exit code.\r | |
967 | \r | |
968 | If ShellCommandGetExit returns FALSE than the return from this is undefined.\r | |
969 | \r | |
970 | @return the value passed into RegisterExit.\r | |
971 | **/\r | |
972 | UINT64\r | |
973 | EFIAPI\r | |
974 | ShellCommandGetExitCode (\r | |
975 | VOID\r | |
976 | )\r | |
977 | {\r | |
978 | return (mExitCode);\r | |
979 | }\r | |
a405b86d | 980 | /**\r |
981 | Retrieve the Exit script indicator.\r | |
982 | \r | |
983 | If ShellCommandGetExit returns FALSE than the return from this is undefined.\r | |
984 | \r | |
985 | @retval TRUE ScriptOnly was indicated.\r | |
986 | @retval FALSE ScriptOnly was not indicated.\r | |
987 | **/\r | |
988 | BOOLEAN\r | |
989 | EFIAPI\r | |
990 | ShellCommandGetScriptExit (\r | |
991 | VOID\r | |
992 | )\r | |
993 | {\r | |
994 | return (mExitScript);\r | |
995 | }\r | |
996 | \r | |
997 | /**\r | |
998 | Function to cleanup all memory from a SCRIPT_FILE structure.\r | |
999 | \r | |
1000 | @param[in] Script The pointer to the structure to cleanup.\r | |
1001 | **/\r | |
1002 | VOID\r | |
1003 | EFIAPI\r | |
1004 | DeleteScriptFileStruct (\r | |
1005 | IN SCRIPT_FILE *Script\r | |
1006 | )\r | |
1007 | {\r | |
1008 | UINT8 LoopVar;\r | |
0ab85bef | 1009 | \r |
1010 | if (Script == NULL) {\r | |
1011 | return;\r | |
1012 | }\r | |
1013 | \r | |
a405b86d | 1014 | for (LoopVar = 0 ; LoopVar < Script->Argc ; LoopVar++) {\r |
0ab85bef | 1015 | SHELL_FREE_NON_NULL(Script->Argv[LoopVar]);\r |
a405b86d | 1016 | }\r |
1017 | if (Script->Argv != NULL) {\r | |
0ab85bef | 1018 | SHELL_FREE_NON_NULL(Script->Argv);\r |
a405b86d | 1019 | }\r |
1020 | Script->CurrentCommand = NULL;\r | |
1021 | while (!IsListEmpty (&Script->CommandList)) {\r | |
1022 | Script->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetFirstNode(&Script->CommandList);\r | |
1023 | if (Script->CurrentCommand != NULL) {\r | |
1024 | RemoveEntryList(&Script->CurrentCommand->Link);\r | |
1025 | if (Script->CurrentCommand->Cl != NULL) {\r | |
0ab85bef | 1026 | SHELL_FREE_NON_NULL(Script->CurrentCommand->Cl);\r |
a405b86d | 1027 | }\r |
1028 | if (Script->CurrentCommand->Data != NULL) {\r | |
0ab85bef | 1029 | SHELL_FREE_NON_NULL(Script->CurrentCommand->Data);\r |
a405b86d | 1030 | }\r |
0ab85bef | 1031 | SHELL_FREE_NON_NULL(Script->CurrentCommand);\r |
a405b86d | 1032 | }\r |
1033 | }\r | |
0ab85bef | 1034 | SHELL_FREE_NON_NULL(Script->ScriptName);\r |
1035 | SHELL_FREE_NON_NULL(Script);\r | |
a405b86d | 1036 | }\r |
1037 | \r | |
1038 | /**\r | |
1039 | Function to return a pointer to the currently running script file object.\r | |
1040 | \r | |
1041 | @retval NULL A script file is not currently running.\r | |
1042 | @return A pointer to the current script file object.\r | |
1043 | **/\r | |
1044 | SCRIPT_FILE*\r | |
1045 | EFIAPI\r | |
1046 | ShellCommandGetCurrentScriptFile (\r | |
1047 | VOID\r | |
1048 | )\r | |
1049 | {\r | |
1050 | SCRIPT_FILE_LIST *List;\r | |
1051 | if (IsListEmpty (&mScriptList.Link)) {\r | |
1052 | return (NULL);\r | |
1053 | }\r | |
1054 | List = ((SCRIPT_FILE_LIST*)GetFirstNode(&mScriptList.Link));\r | |
1055 | return (List->Data);\r | |
1056 | }\r | |
1057 | \r | |
1058 | /**\r | |
1059 | Function to set a new script as the currently running one.\r | |
1060 | \r | |
1061 | This function will correctly stack and unstack nested scripts.\r | |
1062 | \r | |
1063 | @param[in] Script Pointer to new script information structure. if NULL\r | |
1064 | will remove and de-allocate the top-most Script structure.\r | |
1065 | \r | |
1066 | @return A pointer to the current running script file after this\r | |
1067 | change. NULL if removing the final script.\r | |
1068 | **/\r | |
1069 | SCRIPT_FILE*\r | |
1070 | EFIAPI\r | |
1071 | ShellCommandSetNewScript (\r | |
1072 | IN SCRIPT_FILE *Script OPTIONAL\r | |
1073 | )\r | |
1074 | {\r | |
1075 | SCRIPT_FILE_LIST *Node;\r | |
1076 | if (Script == NULL) {\r | |
1077 | if (IsListEmpty (&mScriptList.Link)) {\r | |
a405b86d | 1078 | return (NULL);\r |
1079 | }\r | |
1080 | Node = (SCRIPT_FILE_LIST *)GetFirstNode(&mScriptList.Link);\r | |
1081 | RemoveEntryList(&Node->Link);\r | |
1082 | DeleteScriptFileStruct(Node->Data);\r | |
1083 | FreePool(Node);\r | |
1084 | } else {\r | |
1085 | Node = AllocateZeroPool(sizeof(SCRIPT_FILE_LIST));\r | |
0ab85bef | 1086 | if (Node == NULL) {\r |
1087 | return (NULL);\r | |
1088 | }\r | |
a405b86d | 1089 | Node->Data = Script;\r |
1090 | InsertHeadList(&mScriptList.Link, &Node->Link);\r | |
1091 | }\r | |
1092 | return (ShellCommandGetCurrentScriptFile());\r | |
1093 | }\r | |
1094 | \r | |
1095 | /**\r | |
1096 | Function to generate the next default mapping name.\r | |
1097 | \r | |
1098 | If the return value is not NULL then it must be callee freed.\r | |
1099 | \r | |
1100 | @param Type What kind of mapping name to make.\r | |
1101 | \r | |
1102 | @retval NULL a memory allocation failed.\r | |
1103 | @return a new map name string\r | |
1104 | **/\r | |
1105 | CHAR16*\r | |
1106 | EFIAPI\r | |
1107 | ShellCommandCreateNewMappingName(\r | |
1108 | IN CONST SHELL_MAPPING_TYPE Type\r | |
1109 | )\r | |
1110 | {\r | |
1111 | CHAR16 *String;\r | |
1112 | ASSERT(Type < MappingTypeMax);\r | |
1113 | \r | |
1114 | String = NULL;\r | |
1115 | \r | |
1116 | String = AllocateZeroPool(PcdGet8(PcdShellMapNameLength) * sizeof(String[0]));\r | |
1117 | UnicodeSPrint(\r | |
1118 | String,\r | |
1119 | PcdGet8(PcdShellMapNameLength) * sizeof(String[0]),\r | |
1120 | Type == MappingTypeFileSystem?L"FS%d:":L"BLK%d:",\r | |
1121 | Type == MappingTypeFileSystem?mFsMaxCount++:mBlkMaxCount++);\r | |
1122 | \r | |
1123 | return (String);\r | |
1124 | }\r | |
1125 | \r | |
1126 | /**\r | |
1127 | Function to add a map node to the list of map items and update the "path" environment variable (optionally).\r | |
1128 | \r | |
1129 | If Path is TRUE (during initialization only), the path environment variable will also be updated to include\r | |
1130 | default paths on the new map name...\r | |
1131 | \r | |
1132 | Path should be FALSE when this function is called from the protocol SetMap function.\r | |
1133 | \r | |
1134 | @param[in] Name The human readable mapped name.\r | |
1135 | @param[in] DevicePath The Device Path for this map.\r | |
1136 | @param[in] Flags The Flags attribute for this map item.\r | |
1137 | @param[in] Path TRUE to update path, FALSE to skip this step (should only be TRUE during initialization).\r | |
1138 | \r | |
1139 | @retval EFI_SUCCESS The addition was sucessful.\r | |
1140 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1141 | @retval EFI_INVALID_PARAMETER A parameter was invalid.\r | |
1142 | **/\r | |
1143 | EFI_STATUS\r | |
1144 | EFIAPI\r | |
1145 | ShellCommandAddMapItemAndUpdatePath(\r | |
1146 | IN CONST CHAR16 *Name,\r | |
1147 | IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
1148 | IN CONST UINT64 Flags,\r | |
1149 | IN CONST BOOLEAN Path\r | |
1150 | )\r | |
1151 | {\r | |
1152 | EFI_STATUS Status;\r | |
1153 | SHELL_MAP_LIST *MapListNode;\r | |
1154 | CONST CHAR16 *OriginalPath;\r | |
1155 | CHAR16 *NewPath;\r | |
1156 | UINTN NewPathSize;\r | |
1157 | \r | |
1158 | NewPathSize = 0;\r | |
1159 | NewPath = NULL;\r | |
1160 | OriginalPath = NULL;\r | |
1161 | Status = EFI_SUCCESS;\r | |
1162 | \r | |
1163 | MapListNode = AllocateZeroPool(sizeof(SHELL_MAP_LIST));\r | |
1164 | if (MapListNode == NULL) {\r | |
1165 | Status = EFI_OUT_OF_RESOURCES;\r | |
1166 | } else {\r | |
1167 | MapListNode->Flags = Flags;\r | |
3957a5a5 | 1168 | MapListNode->MapName = AllocateCopyPool(StrSize(Name), Name);\r |
a405b86d | 1169 | MapListNode->DevicePath = DuplicateDevicePath(DevicePath);\r |
1170 | if ((MapListNode->MapName == NULL) || (MapListNode->DevicePath == NULL)){\r | |
1171 | Status = EFI_OUT_OF_RESOURCES;\r | |
1172 | } else {\r | |
a405b86d | 1173 | InsertTailList(&gShellMapList.Link, &MapListNode->Link);\r |
1174 | }\r | |
1175 | }\r | |
1176 | if (EFI_ERROR(Status)) {\r | |
1177 | if (MapListNode != NULL) {\r | |
1178 | if (MapListNode->DevicePath != NULL) {\r | |
1179 | FreePool(MapListNode->DevicePath);\r | |
1180 | }\r | |
1181 | if (MapListNode->MapName != NULL) {\r | |
1182 | FreePool(MapListNode->MapName);\r | |
1183 | }\r | |
1184 | FreePool(MapListNode);\r | |
1185 | }\r | |
1186 | } else if (Path) {\r | |
1187 | //\r | |
1188 | // Since there was no error and Path was TRUE\r | |
1189 | // Now add the correct path for that mapping\r | |
1190 | //\r | |
1191 | OriginalPath = gEfiShellProtocol->GetEnv(L"path");\r | |
1192 | ASSERT((NewPath == NULL && NewPathSize == 0) || (NewPath != NULL));\r | |
1193 | if (OriginalPath != NULL) {\r | |
1194 | StrnCatGrow(&NewPath, &NewPathSize, OriginalPath, 0);\r | |
1195 | } else {\r | |
1196 | StrnCatGrow(&NewPath, &NewPathSize, L".\\", 0);\r | |
1197 | }\r | |
1198 | StrnCatGrow(&NewPath, &NewPathSize, L";", 0);\r | |
1199 | StrnCatGrow(&NewPath, &NewPathSize, Name, 0);\r | |
1200 | StrnCatGrow(&NewPath, &NewPathSize, L"\\efi\\tools\\;", 0);\r | |
1201 | StrnCatGrow(&NewPath, &NewPathSize, Name, 0);\r | |
1202 | StrnCatGrow(&NewPath, &NewPathSize, L"\\efi\\boot\\;", 0);\r | |
1203 | StrnCatGrow(&NewPath, &NewPathSize, Name, 0);\r | |
1204 | StrnCatGrow(&NewPath, &NewPathSize, L"\\", 0);\r | |
1205 | \r | |
1206 | Status = gEfiShellProtocol->SetEnv(L"path", NewPath, TRUE);\r | |
1207 | ASSERT_EFI_ERROR(Status);\r | |
1208 | FreePool(NewPath);\r | |
1209 | }\r | |
1210 | return (Status);\r | |
1211 | }\r | |
1212 | \r | |
1213 | /**\r | |
1214 | Creates the default map names for each device path in the system with\r | |
1215 | a protocol depending on the Type.\r | |
1216 | \r | |
1217 | Creates the consistent map names for each device path in the system with\r | |
1218 | a protocol depending on the Type.\r | |
1219 | \r | |
1220 | Note: This will reset all mappings in the system("map -r").\r | |
1221 | \r | |
1222 | Also sets up the default path environment variable if Type is FileSystem.\r | |
1223 | \r | |
1224 | @retval EFI_SUCCESS All map names were created sucessfully.\r | |
1225 | @retval EFI_NOT_FOUND No protocols were found in the system.\r | |
1226 | @return Error returned from gBS->LocateHandle().\r | |
1227 | \r | |
1228 | @sa LocateHandle\r | |
1229 | **/\r | |
1230 | EFI_STATUS\r | |
1231 | EFIAPI\r | |
1232 | ShellCommandCreateInitialMappingsAndPaths(\r | |
1233 | VOID\r | |
1234 | )\r | |
1235 | {\r | |
1236 | EFI_STATUS Status;\r | |
1237 | EFI_HANDLE *HandleList;\r | |
1238 | UINTN Count;\r | |
1239 | EFI_DEVICE_PATH_PROTOCOL **DevicePathList;\r | |
1240 | CHAR16 *NewDefaultName;\r | |
1241 | CHAR16 *NewConsistName;\r | |
1242 | EFI_DEVICE_PATH_PROTOCOL **ConsistMappingTable;\r | |
1243 | SHELL_MAP_LIST *MapListNode;\r | |
1244 | \r | |
1245 | HandleList = NULL;\r | |
1246 | \r | |
1247 | //\r | |
1248 | // Reset the static members back to zero\r | |
1249 | //\r | |
1250 | mFsMaxCount = 0;\r | |
1251 | mBlkMaxCount = 0;\r | |
1252 | \r | |
1253 | gEfiShellProtocol->SetEnv(L"path", L"", TRUE);\r | |
1254 | \r | |
1255 | //\r | |
1256 | // First empty out the existing list.\r | |
1257 | //\r | |
1258 | if (!IsListEmpty(&gShellMapList.Link)) {\r | |
1259 | for ( MapListNode = (SHELL_MAP_LIST *)GetFirstNode(&gShellMapList.Link)\r | |
1260 | ; !IsListEmpty(&gShellMapList.Link)\r | |
1261 | ; MapListNode = (SHELL_MAP_LIST *)GetFirstNode(&gShellMapList.Link)\r | |
1262 | ){\r | |
1263 | RemoveEntryList(&MapListNode->Link);\r | |
1264 | FreePool(MapListNode);\r | |
1265 | } // for loop\r | |
1266 | }\r | |
1267 | \r | |
1268 | //\r | |
1269 | // Find each handle with Simple File System\r | |
1270 | //\r | |
0ab85bef | 1271 | HandleList = GetHandleListByProtocol(&gEfiSimpleFileSystemProtocolGuid);\r |
a405b86d | 1272 | if (HandleList != NULL) {\r |
1273 | //\r | |
1274 | // Do a count of the handles\r | |
1275 | //\r | |
1276 | for (Count = 0 ; HandleList[Count] != NULL ; Count++);\r | |
1277 | \r | |
1278 | //\r | |
1279 | // Get all Device Paths\r | |
1280 | //\r | |
1a63ec8f | 1281 | DevicePathList = AllocateZeroPool(sizeof(EFI_DEVICE_PATH_PROTOCOL*) * Count);\r |
a405b86d | 1282 | ASSERT(DevicePathList != NULL);\r |
1283 | \r | |
1284 | for (Count = 0 ; HandleList[Count] != NULL ; Count++) {\r | |
1285 | DevicePathList[Count] = DevicePathFromHandle(HandleList[Count]);\r | |
1286 | }\r | |
1287 | \r | |
1288 | //\r | |
1289 | // Sort all DevicePaths\r | |
1290 | //\r | |
1291 | PerformQuickSort(DevicePathList, Count, sizeof(EFI_DEVICE_PATH_PROTOCOL*), DevicePathCompare);\r | |
1292 | \r | |
1293 | ShellCommandConsistMappingInitialize(&ConsistMappingTable);\r | |
1294 | //\r | |
1295 | // Assign new Mappings to all...\r | |
1296 | //\r | |
1297 | for (Count = 0 ; HandleList[Count] != NULL ; Count++) {\r | |
1298 | //\r | |
1299 | // Get default name first\r | |
1300 | //\r | |
1301 | NewDefaultName = ShellCommandCreateNewMappingName(MappingTypeFileSystem);\r | |
1302 | ASSERT(NewDefaultName != NULL);\r | |
1303 | Status = ShellCommandAddMapItemAndUpdatePath(NewDefaultName, DevicePathList[Count], 0, TRUE);\r | |
1304 | ASSERT_EFI_ERROR(Status);\r | |
1305 | FreePool(NewDefaultName);\r | |
1306 | \r | |
1307 | //\r | |
1308 | // Now do consistent name\r | |
1309 | //\r | |
1310 | NewConsistName = ShellCommandConsistMappingGenMappingName(DevicePathList[Count], ConsistMappingTable);\r | |
1311 | if (NewConsistName != NULL) {\r | |
1312 | Status = ShellCommandAddMapItemAndUpdatePath(NewConsistName, DevicePathList[Count], 0, FALSE);\r | |
1313 | ASSERT_EFI_ERROR(Status);\r | |
1314 | FreePool(NewConsistName);\r | |
1315 | }\r | |
1316 | }\r | |
1317 | \r | |
1318 | ShellCommandConsistMappingUnInitialize(ConsistMappingTable);\r | |
1319 | \r | |
1320 | SHELL_FREE_NON_NULL(HandleList);\r | |
1321 | SHELL_FREE_NON_NULL(DevicePathList);\r | |
1322 | \r | |
1323 | HandleList = NULL;\r | |
1324 | } else {\r | |
1325 | Count = (UINTN)-1;\r | |
1326 | }\r | |
1327 | \r | |
1328 | //\r | |
1329 | // Find each handle with Block Io\r | |
1330 | //\r | |
0ab85bef | 1331 | HandleList = GetHandleListByProtocol(&gEfiBlockIoProtocolGuid);\r |
a405b86d | 1332 | if (HandleList != NULL) {\r |
1333 | for (Count = 0 ; HandleList[Count] != NULL ; Count++);\r | |
1334 | \r | |
1335 | //\r | |
1336 | // Get all Device Paths\r | |
1337 | //\r | |
1a63ec8f | 1338 | DevicePathList = AllocateZeroPool(sizeof(EFI_DEVICE_PATH_PROTOCOL*) * Count);\r |
a405b86d | 1339 | ASSERT(DevicePathList != NULL);\r |
1340 | \r | |
1341 | for (Count = 0 ; HandleList[Count] != NULL ; Count++) {\r | |
1342 | DevicePathList[Count] = DevicePathFromHandle(HandleList[Count]);\r | |
1343 | }\r | |
1344 | \r | |
1345 | //\r | |
1346 | // Sort all DevicePaths\r | |
1347 | //\r | |
1348 | PerformQuickSort(DevicePathList, Count, sizeof(EFI_DEVICE_PATH_PROTOCOL*), DevicePathCompare);\r | |
1349 | \r | |
1350 | //\r | |
1351 | // Assign new Mappings to all...\r | |
1352 | //\r | |
1353 | for (Count = 0 ; HandleList[Count] != NULL ; Count++) {\r | |
1354 | //\r | |
1355 | // Get default name first\r | |
1356 | //\r | |
1357 | NewDefaultName = ShellCommandCreateNewMappingName(MappingTypeBlockIo);\r | |
1358 | ASSERT(NewDefaultName != NULL);\r | |
1359 | Status = ShellCommandAddMapItemAndUpdatePath(NewDefaultName, DevicePathList[Count], 0, FALSE);\r | |
1360 | ASSERT_EFI_ERROR(Status);\r | |
1361 | FreePool(NewDefaultName);\r | |
1362 | }\r | |
1363 | \r | |
1364 | SHELL_FREE_NON_NULL(HandleList);\r | |
1365 | SHELL_FREE_NON_NULL(DevicePathList);\r | |
1366 | } else if (Count == (UINTN)-1) {\r | |
1367 | return (EFI_NOT_FOUND);\r | |
1368 | }\r | |
1369 | \r | |
1370 | return (EFI_SUCCESS);\r | |
cf812a20 JC |
1371 | }\r |
1372 | \r | |
1373 | /**\r | |
1374 | Add mappings for any devices without one. Do not change any existing maps.\r | |
1375 | \r | |
1376 | @retval EFI_SUCCESS The operation was successful.\r | |
1377 | **/\r | |
1378 | EFI_STATUS\r | |
1379 | EFIAPI\r | |
1380 | ShellCommandUpdateMapping (\r | |
1381 | VOID\r | |
1382 | )\r | |
1383 | {\r | |
1384 | EFI_STATUS Status;\r | |
1385 | EFI_HANDLE *HandleList;\r | |
1386 | UINTN Count;\r | |
1387 | EFI_DEVICE_PATH_PROTOCOL **DevicePathList;\r | |
1388 | CHAR16 *NewDefaultName;\r | |
1389 | CHAR16 *NewConsistName;\r | |
1390 | EFI_DEVICE_PATH_PROTOCOL **ConsistMappingTable;\r | |
1391 | \r | |
1392 | HandleList = NULL;\r | |
1393 | Status = EFI_SUCCESS;\r | |
1394 | \r | |
1395 | //\r | |
1396 | // remove mappings that represent removed devices.\r | |
1397 | //\r | |
1398 | \r | |
1399 | //\r | |
1400 | // Find each handle with Simple File System\r | |
1401 | //\r | |
1402 | HandleList = GetHandleListByProtocol(&gEfiSimpleFileSystemProtocolGuid);\r | |
1403 | if (HandleList != NULL) {\r | |
1404 | //\r | |
1405 | // Do a count of the handles\r | |
1406 | //\r | |
1407 | for (Count = 0 ; HandleList[Count] != NULL ; Count++);\r | |
1408 | \r | |
1409 | //\r | |
1410 | // Get all Device Paths\r | |
1411 | //\r | |
1412 | DevicePathList = AllocateZeroPool(sizeof(EFI_DEVICE_PATH_PROTOCOL*) * Count);\r | |
ae315cc2 JC |
1413 | if (DevicePathList == NULL) {\r |
1414 | return (EFI_OUT_OF_RESOURCES);\r | |
1415 | }\r | |
cf812a20 JC |
1416 | \r |
1417 | for (Count = 0 ; HandleList[Count] != NULL ; Count++) {\r | |
1418 | DevicePathList[Count] = DevicePathFromHandle(HandleList[Count]);\r | |
1419 | }\r | |
1420 | \r | |
1421 | //\r | |
1422 | // Sort all DevicePaths\r | |
1423 | //\r | |
1424 | PerformQuickSort(DevicePathList, Count, sizeof(EFI_DEVICE_PATH_PROTOCOL*), DevicePathCompare);\r | |
1425 | \r | |
1426 | ShellCommandConsistMappingInitialize(&ConsistMappingTable);\r | |
1427 | \r | |
1428 | //\r | |
1429 | // Assign new Mappings to remainders\r | |
1430 | //\r | |
ae315cc2 | 1431 | for (Count = 0 ; !EFI_ERROR(Status) && HandleList[Count] != NULL && !EFI_ERROR(Status); Count++) {\r |
cf812a20 JC |
1432 | //\r |
1433 | // Skip ones that already have\r | |
1434 | //\r | |
1435 | if (gEfiShellProtocol->GetMapFromDevicePath(&DevicePathList[Count]) != NULL) {\r | |
1436 | continue;\r | |
1437 | }\r | |
1438 | //\r | |
1439 | // Get default name\r | |
1440 | //\r | |
1441 | NewDefaultName = ShellCommandCreateNewMappingName(MappingTypeFileSystem);\r | |
ae315cc2 JC |
1442 | if (NewDefaultName == NULL) {\r |
1443 | Status = EFI_OUT_OF_RESOURCES;\r | |
1444 | break;\r | |
1445 | }\r | |
cf812a20 JC |
1446 | \r |
1447 | //\r | |
1448 | // Call shell protocol SetMap function now...\r | |
1449 | //\r | |
1450 | Status = gEfiShellProtocol->SetMap(DevicePathList[Count], NewDefaultName);\r | |
1451 | \r | |
1452 | if (!EFI_ERROR(Status)) {\r | |
1453 | //\r | |
1454 | // Now do consistent name\r | |
1455 | //\r | |
1456 | NewConsistName = ShellCommandConsistMappingGenMappingName(DevicePathList[Count], ConsistMappingTable);\r | |
1457 | if (NewConsistName != NULL) {\r | |
1458 | Status = gEfiShellProtocol->SetMap(DevicePathList[Count], NewConsistName);\r | |
1459 | FreePool(NewConsistName);\r | |
1460 | }\r | |
1461 | }\r | |
1462 | \r | |
1463 | FreePool(NewDefaultName);\r | |
1464 | }\r | |
1465 | ShellCommandConsistMappingUnInitialize(ConsistMappingTable);\r | |
1466 | SHELL_FREE_NON_NULL(HandleList);\r | |
1467 | SHELL_FREE_NON_NULL(DevicePathList);\r | |
1468 | \r | |
1469 | HandleList = NULL;\r | |
1470 | } else {\r | |
1471 | Count = (UINTN)-1;\r | |
1472 | }\r | |
1473 | //\r | |
1474 | // Do it all over again for gEfiBlockIoProtocolGuid\r | |
1475 | //\r | |
1476 | \r | |
1477 | return (Status);\r | |
1478 | }\r | |
1479 | \r | |
1480 | /**\r | |
1481 | Converts a SHELL_FILE_HANDLE to an EFI_FILE_PROTOCOL*.\r | |
1482 | \r | |
1483 | @param[in] Handle The SHELL_FILE_HANDLE to convert.\r | |
a405b86d | 1484 | \r |
1485 | @return a EFI_FILE_PROTOCOL* representing the same file.\r | |
1486 | **/\r | |
1487 | EFI_FILE_PROTOCOL*\r | |
1488 | EFIAPI\r | |
1489 | ConvertShellHandleToEfiFileProtocol(\r | |
1490 | IN CONST SHELL_FILE_HANDLE Handle\r | |
1491 | )\r | |
1492 | {\r | |
1493 | return ((EFI_FILE_PROTOCOL*)(Handle));\r | |
1494 | }\r | |
1495 | \r | |
1496 | /**\r | |
1497 | Converts a EFI_FILE_PROTOCOL* to an SHELL_FILE_HANDLE.\r | |
1498 | \r | |
1499 | @param[in] Handle The pointer to EFI_FILE_PROTOCOL to convert.\r | |
1500 | @param[in] Path The path to the file for verification.\r | |
1501 | \r | |
ff51746b | 1502 | @return A SHELL_FILE_HANDLE representing the same file.\r |
1503 | @retval NULL There was not enough memory.\r | |
a405b86d | 1504 | **/\r |
1505 | SHELL_FILE_HANDLE\r | |
1506 | EFIAPI\r | |
1507 | ConvertEfiFileProtocolToShellHandle(\r | |
1508 | IN CONST EFI_FILE_PROTOCOL *Handle,\r | |
1509 | IN CONST CHAR16 *Path\r | |
1510 | )\r | |
1511 | {\r | |
1512 | SHELL_COMMAND_FILE_HANDLE *Buffer;\r | |
1513 | BUFFER_LIST *NewNode;\r | |
1514 | \r | |
1515 | if (Path != NULL) {\r | |
1516 | Buffer = AllocateZeroPool(sizeof(SHELL_COMMAND_FILE_HANDLE));\r | |
ff51746b | 1517 | if (Buffer == NULL) {\r |
1518 | return (NULL);\r | |
1519 | }\r | |
1a63ec8f | 1520 | NewNode = AllocateZeroPool(sizeof(BUFFER_LIST));\r |
ff51746b | 1521 | if (NewNode == NULL) {\r |
ae315cc2 | 1522 | SHELL_FREE_NON_NULL(Buffer);\r |
ff51746b | 1523 | return (NULL);\r |
1524 | }\r | |
a405b86d | 1525 | Buffer->FileHandle = (EFI_FILE_PROTOCOL*)Handle;\r |
1526 | Buffer->Path = StrnCatGrow(&Buffer->Path, NULL, Path, 0);\r | |
ff51746b | 1527 | if (Buffer->Path == NULL) {\r |
ae315cc2 JC |
1528 | SHELL_FREE_NON_NULL(NewNode);\r |
1529 | SHELL_FREE_NON_NULL(Buffer);\r | |
ff51746b | 1530 | return (NULL);\r |
1531 | }\r | |
a405b86d | 1532 | NewNode->Buffer = Buffer;\r |
1533 | \r | |
1534 | InsertHeadList(&mFileHandleList.Link, &NewNode->Link);\r | |
1535 | }\r | |
1536 | return ((SHELL_FILE_HANDLE)(Handle));\r | |
1537 | }\r | |
1538 | \r | |
1539 | /**\r | |
1540 | Find the path that was logged with the specified SHELL_FILE_HANDLE.\r | |
1541 | \r | |
1542 | @param[in] Handle The SHELL_FILE_HANDLE to query on.\r | |
1543 | \r | |
1544 | @return A pointer to the path for the file.\r | |
1545 | **/\r | |
1546 | CONST CHAR16*\r | |
1547 | EFIAPI\r | |
1548 | ShellFileHandleGetPath(\r | |
1549 | IN CONST SHELL_FILE_HANDLE Handle\r | |
1550 | )\r | |
1551 | {\r | |
1552 | BUFFER_LIST *Node;\r | |
1553 | \r | |
1554 | for (Node = (BUFFER_LIST*)GetFirstNode(&mFileHandleList.Link)\r | |
1555 | ; !IsNull(&mFileHandleList.Link, &Node->Link)\r | |
1556 | ; Node = (BUFFER_LIST*)GetNextNode(&mFileHandleList.Link, &Node->Link)\r | |
1557 | ){\r | |
1558 | if ((Node->Buffer) && (((SHELL_COMMAND_FILE_HANDLE *)Node->Buffer)->FileHandle == Handle)){\r | |
1559 | return (((SHELL_COMMAND_FILE_HANDLE *)Node->Buffer)->Path);\r | |
1560 | }\r | |
1561 | }\r | |
1562 | return (NULL);\r | |
1563 | }\r | |
1564 | \r | |
1565 | /**\r | |
1a63ec8f | 1566 | Remove a SHELL_FILE_HANDLE from the list of SHELL_FILE_HANDLES.\r |
a405b86d | 1567 | \r |
1568 | @param[in] Handle The SHELL_FILE_HANDLE to remove.\r | |
1569 | \r | |
1570 | @retval TRUE The item was removed.\r | |
1571 | @retval FALSE The item was not found.\r | |
1572 | **/\r | |
1573 | BOOLEAN\r | |
1574 | EFIAPI\r | |
1575 | ShellFileHandleRemove(\r | |
1576 | IN CONST SHELL_FILE_HANDLE Handle\r | |
1577 | )\r | |
1578 | {\r | |
1579 | BUFFER_LIST *Node;\r | |
1580 | \r | |
1581 | for (Node = (BUFFER_LIST*)GetFirstNode(&mFileHandleList.Link)\r | |
1582 | ; !IsNull(&mFileHandleList.Link, &Node->Link)\r | |
1583 | ; Node = (BUFFER_LIST*)GetNextNode(&mFileHandleList.Link, &Node->Link)\r | |
1584 | ){\r | |
1585 | if ((Node->Buffer) && (((SHELL_COMMAND_FILE_HANDLE *)Node->Buffer)->FileHandle == Handle)){\r | |
a405b86d | 1586 | RemoveEntryList(&Node->Link);\r |
ff51746b | 1587 | SHELL_FREE_NON_NULL(((SHELL_COMMAND_FILE_HANDLE *)Node->Buffer)->Path);\r |
1588 | SHELL_FREE_NON_NULL(Node->Buffer);\r | |
1589 | SHELL_FREE_NON_NULL(Node);\r | |
a405b86d | 1590 | return (TRUE);\r |
1591 | }\r | |
1592 | }\r | |
1593 | return (FALSE);\r | |
1594 | }\r | |
1595 | \r | |
1596 | /**\r | |
1597 | Function to determine if a SHELL_FILE_HANDLE is at the end of the file.\r | |
1598 | \r | |
1599 | This will NOT work on directories.\r | |
1600 | \r | |
1601 | If Handle is NULL, then ASSERT.\r | |
1602 | \r | |
1603 | @param[in] Handle the file handle\r | |
1604 | \r | |
1605 | @retval TRUE the position is at the end of the file\r | |
1606 | @retval FALSE the position is not at the end of the file\r | |
1607 | **/\r | |
1608 | BOOLEAN\r | |
1609 | EFIAPI\r | |
1610 | ShellFileHandleEof(\r | |
1611 | IN SHELL_FILE_HANDLE Handle\r | |
1612 | )\r | |
1613 | {\r | |
1614 | EFI_FILE_INFO *Info;\r | |
1615 | UINT64 Pos;\r | |
1616 | BOOLEAN RetVal;\r | |
1617 | \r | |
1618 | //\r | |
1619 | // ASSERT if Handle is NULL\r | |
1620 | //\r | |
1621 | ASSERT(Handle != NULL);\r | |
1622 | \r | |
1623 | gEfiShellProtocol->GetFilePosition(Handle, &Pos);\r | |
1624 | Info = gEfiShellProtocol->GetFileInfo (Handle);\r | |
1625 | ASSERT(Info != NULL);\r | |
1626 | gEfiShellProtocol->SetFilePosition(Handle, Pos);\r | |
1627 | \r | |
1628 | if (Info == NULL) {\r | |
1629 | return (FALSE);\r | |
1630 | }\r | |
1631 | \r | |
1632 | if (Pos == Info->FileSize) {\r | |
1633 | RetVal = TRUE;\r | |
1634 | } else {\r | |
1635 | RetVal = FALSE;\r | |
1636 | }\r | |
1637 | \r | |
1638 | FreePool (Info);\r | |
1639 | \r | |
1640 | return (RetVal);\r | |
1641 | }\r | |
1642 | \r | |
a405b86d | 1643 | /**\r |
1644 | Frees any BUFFER_LIST defined type.\r | |
1a63ec8f | 1645 | \r |
1646 | @param[in] List The BUFFER_LIST object to free.\r | |
a405b86d | 1647 | **/\r |
1648 | VOID\r | |
1649 | EFIAPI\r | |
1650 | FreeBufferList (\r | |
1651 | IN BUFFER_LIST *List\r | |
1652 | )\r | |
1653 | {\r | |
1654 | BUFFER_LIST *BufferListEntry;\r | |
1655 | \r | |
1656 | if (List == NULL){\r | |
1657 | return;\r | |
1658 | }\r | |
1659 | //\r | |
1660 | // enumerate through the buffer list and free all memory\r | |
1661 | //\r | |
1662 | for ( BufferListEntry = ( BUFFER_LIST *)GetFirstNode(&List->Link)\r | |
1663 | ; !IsListEmpty (&List->Link)\r | |
1664 | ; BufferListEntry = (BUFFER_LIST *)GetFirstNode(&List->Link)\r | |
1665 | ){\r | |
1666 | RemoveEntryList(&BufferListEntry->Link);\r | |
a405b86d | 1667 | if (BufferListEntry->Buffer != NULL) {\r |
1668 | FreePool(BufferListEntry->Buffer);\r | |
1669 | }\r | |
1670 | FreePool(BufferListEntry);\r | |
1671 | }\r | |
1672 | }\r | |
1673 | \r |