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a405b86d | 1 | /** @file\r |
2 | Provides interface to shell internal functions for shell commands.\r | |
3 | \r | |
1a63ec8f | 4 | Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r |
a405b86d | 5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "UefiShellCommandLib.h"\r | |
16 | \r | |
17 | /// The tag for use in identifying UNICODE files.\r | |
18 | /// If the file is UNICODE, the first 16 bits of the file will equal this value.\r | |
19 | enum {\r | |
1a63ec8f | 20 | gUnicodeFileTag = 0xFEFF\r |
a405b86d | 21 | };\r |
22 | \r | |
23 | // STATIC local variables\r | |
24 | STATIC SHELL_COMMAND_INTERNAL_LIST_ENTRY mCommandList;\r | |
25 | STATIC SCRIPT_FILE_LIST mScriptList;\r | |
26 | STATIC ALIAS_LIST mAliasList;\r | |
27 | STATIC BOOLEAN mEchoState;\r | |
28 | STATIC BOOLEAN mExitRequested;\r | |
b6b22b13 | 29 | STATIC UINT64 mExitCode;\r |
a405b86d | 30 | STATIC BOOLEAN mExitScript;\r |
31 | STATIC CHAR16 *mProfileList;\r | |
32 | STATIC UINTN mProfileListSize;\r | |
33 | STATIC UINTN mFsMaxCount = 0;\r | |
34 | STATIC UINTN mBlkMaxCount = 0;\r | |
35 | STATIC BUFFER_LIST mFileHandleList;\r | |
36 | \r | |
37 | // global variables required by library class.\r | |
a405b86d | 38 | EFI_UNICODE_COLLATION_PROTOCOL *gUnicodeCollation = NULL;\r |
39 | EFI_DEVICE_PATH_TO_TEXT_PROTOCOL *gDevPathToText = NULL;\r | |
40 | SHELL_MAP_LIST gShellMapList;\r | |
41 | SHELL_MAP_LIST *gShellCurDir = NULL;\r | |
42 | \r | |
43 | CONST CHAR16* SupportLevel[] = {\r | |
44 | L"Minimal",\r | |
45 | L"Scripting",\r | |
46 | L"Basic",\r | |
47 | L"Interactive"\r | |
48 | };\r | |
49 | \r | |
50 | /**\r | |
51 | Function to make sure that the global protocol pointers are valid.\r | |
52 | must be called after constructor before accessing the pointers.\r | |
53 | **/\r | |
54 | EFI_STATUS\r | |
55 | EFIAPI\r | |
56 | CommandInit(\r | |
57 | VOID\r | |
58 | )\r | |
59 | {\r | |
60 | EFI_STATUS Status;\r | |
a405b86d | 61 | if (gUnicodeCollation == NULL) {\r |
62 | Status = gBS->LocateProtocol(&gEfiUnicodeCollation2ProtocolGuid, NULL, (VOID**)&gUnicodeCollation);\r | |
63 | if (EFI_ERROR(Status)) {\r | |
64 | return (EFI_DEVICE_ERROR);\r | |
65 | }\r | |
66 | }\r | |
67 | if (gDevPathToText == NULL) {\r | |
68 | Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID**)&gDevPathToText);\r | |
69 | if (EFI_ERROR(Status)) {\r | |
70 | return (EFI_DEVICE_ERROR);\r | |
71 | }\r | |
72 | }\r | |
73 | return (EFI_SUCCESS);\r | |
74 | }\r | |
75 | \r | |
76 | /**\r | |
77 | Constructor for the Shell Command library.\r | |
78 | \r | |
79 | Initialize the library and determine if the underlying is a UEFI Shell 2.0 or an EFI shell.\r | |
80 | \r | |
81 | @param ImageHandle the image handle of the process\r | |
82 | @param SystemTable the EFI System Table pointer\r | |
83 | \r | |
84 | @retval EFI_SUCCESS the initialization was complete sucessfully\r | |
85 | **/\r | |
86 | RETURN_STATUS\r | |
87 | EFIAPI\r | |
88 | ShellCommandLibConstructor (\r | |
89 | IN EFI_HANDLE ImageHandle,\r | |
90 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
91 | )\r | |
92 | {\r | |
93 | EFI_STATUS Status;\r | |
94 | InitializeListHead(&gShellMapList.Link);\r | |
95 | InitializeListHead(&mCommandList.Link);\r | |
96 | InitializeListHead(&mAliasList.Link);\r | |
97 | InitializeListHead(&mScriptList.Link);\r | |
98 | InitializeListHead(&mFileHandleList.Link);\r | |
99 | mEchoState = TRUE;\r | |
100 | \r | |
101 | mExitRequested = FALSE;\r | |
102 | mExitScript = FALSE;\r | |
103 | mProfileListSize = 0;\r | |
104 | mProfileList = NULL;\r | |
105 | \r | |
106 | if (gUnicodeCollation == NULL) {\r | |
107 | Status = gBS->LocateProtocol(&gEfiUnicodeCollation2ProtocolGuid, NULL, (VOID**)&gUnicodeCollation);\r | |
108 | if (EFI_ERROR(Status)) {\r | |
109 | return (EFI_DEVICE_ERROR);\r | |
110 | }\r | |
111 | }\r | |
112 | \r | |
113 | return (RETURN_SUCCESS);\r | |
114 | }\r | |
115 | \r | |
116 | /**\r | |
117 | Destructor for the library. free any resources.\r | |
118 | \r | |
119 | @param ImageHandle the image handle of the process\r | |
120 | @param SystemTable the EFI System Table pointer\r | |
121 | \r | |
122 | @retval RETURN_SUCCESS this function always returns success\r | |
123 | **/\r | |
124 | RETURN_STATUS\r | |
125 | EFIAPI\r | |
126 | ShellCommandLibDestructor (\r | |
127 | IN EFI_HANDLE ImageHandle,\r | |
128 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
129 | )\r | |
130 | {\r | |
131 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r | |
3f869579 | 132 | ALIAS_LIST *Node2;\r |
a405b86d | 133 | SCRIPT_FILE_LIST *Node3;\r |
134 | SHELL_MAP_LIST *MapNode;\r | |
135 | //\r | |
136 | // enumerate throught the list and free all the memory\r | |
137 | //\r | |
138 | while (!IsListEmpty (&mCommandList.Link)) {\r | |
139 | Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode(&mCommandList.Link);\r | |
140 | RemoveEntryList(&Node->Link);\r | |
141 | SHELL_FREE_NON_NULL(Node->CommandString);\r | |
142 | FreePool(Node);\r | |
143 | DEBUG_CODE(Node = NULL;);\r | |
144 | }\r | |
145 | \r | |
146 | //\r | |
3f869579 | 147 | // enumerate through the alias list and free all memory\r |
a405b86d | 148 | //\r |
149 | while (!IsListEmpty (&mAliasList.Link)) {\r | |
3f869579 | 150 | Node2 = (ALIAS_LIST *)GetFirstNode(&mAliasList.Link);\r |
a405b86d | 151 | RemoveEntryList(&Node2->Link);\r |
152 | SHELL_FREE_NON_NULL(Node2->CommandString);\r | |
3f869579 | 153 | SHELL_FREE_NON_NULL(Node2->Alias);\r |
154 | SHELL_FREE_NON_NULL(Node2);\r | |
a405b86d | 155 | DEBUG_CODE(Node2 = NULL;);\r |
156 | }\r | |
157 | \r | |
158 | //\r | |
159 | // enumerate throught the list and free all the memory\r | |
160 | //\r | |
161 | while (!IsListEmpty (&mScriptList.Link)) {\r | |
162 | Node3 = (SCRIPT_FILE_LIST *)GetFirstNode(&mScriptList.Link);\r | |
163 | RemoveEntryList(&Node3->Link);\r | |
164 | DeleteScriptFileStruct(Node3->Data);\r | |
165 | FreePool(Node3);\r | |
166 | }\r | |
167 | \r | |
168 | //\r | |
169 | // enumerate throught the mappings list and free all the memory\r | |
170 | //\r | |
171 | if (!IsListEmpty(&gShellMapList.Link)) {\r | |
172 | for (MapNode = (SHELL_MAP_LIST *)GetFirstNode(&gShellMapList.Link)\r | |
173 | ; !IsListEmpty (&gShellMapList.Link)\r | |
174 | ; MapNode = (SHELL_MAP_LIST *)GetFirstNode(&gShellMapList.Link)\r | |
175 | ){\r | |
176 | ASSERT(MapNode != NULL);\r | |
177 | RemoveEntryList(&MapNode->Link);\r | |
178 | SHELL_FREE_NON_NULL(MapNode->DevicePath);\r | |
179 | SHELL_FREE_NON_NULL(MapNode->MapName);\r | |
180 | SHELL_FREE_NON_NULL(MapNode->CurrentDirectoryPath);\r | |
181 | FreePool(MapNode);\r | |
182 | }\r | |
183 | }\r | |
184 | if (!IsListEmpty(&mFileHandleList.Link)){\r | |
185 | FreeBufferList(&mFileHandleList);\r | |
186 | }\r | |
187 | \r | |
188 | if (mProfileList != NULL) {\r | |
189 | FreePool(mProfileList);\r | |
190 | }\r | |
191 | \r | |
1a63ec8f | 192 | gUnicodeCollation = NULL;\r |
193 | gDevPathToText = NULL;\r | |
194 | gShellCurDir = NULL;\r | |
195 | \r | |
a405b86d | 196 | return (RETURN_SUCCESS);\r |
197 | }\r | |
198 | \r | |
199 | /**\r | |
200 | Checks if a command is already on the list.\r | |
201 | \r | |
202 | @param[in] CommandString The command string to check for on the list.\r | |
203 | **/\r | |
204 | BOOLEAN\r | |
205 | EFIAPI\r | |
206 | ShellCommandIsCommandOnList (\r | |
207 | IN CONST CHAR16 *CommandString\r | |
208 | )\r | |
209 | {\r | |
210 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r | |
211 | \r | |
212 | //\r | |
213 | // assert for NULL parameter\r | |
214 | //\r | |
215 | ASSERT(CommandString != NULL);\r | |
216 | \r | |
217 | //\r | |
218 | // check for the command\r | |
219 | //\r | |
220 | for ( Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode(&mCommandList.Link)\r | |
221 | ; !IsNull(&mCommandList.Link, &Node->Link)\r | |
222 | ; Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetNextNode(&mCommandList.Link, &Node->Link)\r | |
223 | ){\r | |
224 | ASSERT(Node->CommandString != NULL);\r | |
225 | if (gUnicodeCollation->StriColl(\r | |
226 | gUnicodeCollation,\r | |
227 | (CHAR16*)CommandString,\r | |
228 | Node->CommandString) == 0\r | |
229 | ){\r | |
230 | return (TRUE);\r | |
231 | }\r | |
232 | }\r | |
233 | return (FALSE);\r | |
234 | }\r | |
235 | \r | |
236 | /**\r | |
237 | Get the help text for a command.\r | |
238 | \r | |
239 | @param[in] CommandString The command name.\r | |
240 | \r | |
241 | @retval NULL No help text was found.\r | |
242 | @return String of help text. Caller reuiqred to free.\r | |
243 | **/\r | |
244 | CHAR16*\r | |
245 | EFIAPI\r | |
246 | ShellCommandGetCommandHelp (\r | |
247 | IN CONST CHAR16 *CommandString\r | |
248 | )\r | |
249 | {\r | |
250 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r | |
251 | \r | |
252 | //\r | |
253 | // assert for NULL parameter\r | |
254 | //\r | |
255 | ASSERT(CommandString != NULL);\r | |
256 | \r | |
257 | //\r | |
258 | // check for the command\r | |
259 | //\r | |
260 | for ( Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode(&mCommandList.Link)\r | |
261 | ; !IsNull(&mCommandList.Link, &Node->Link)\r | |
262 | ; Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetNextNode(&mCommandList.Link, &Node->Link)\r | |
263 | ){\r | |
264 | ASSERT(Node->CommandString != NULL);\r | |
265 | if (gUnicodeCollation->StriColl(\r | |
266 | gUnicodeCollation,\r | |
267 | (CHAR16*)CommandString,\r | |
268 | Node->CommandString) == 0\r | |
269 | ){\r | |
270 | return (HiiGetString(Node->HiiHandle, Node->ManFormatHelp, NULL));\r | |
271 | }\r | |
272 | }\r | |
273 | return (NULL);\r | |
274 | }\r | |
275 | \r | |
276 | /**\r | |
277 | Registers handlers of type SHELL_RUN_COMMAND and\r | |
278 | SHELL_GET_MAN_FILENAME for each shell command.\r | |
279 | \r | |
280 | If the ShellSupportLevel is greater than the value of the\r | |
281 | PcdShellSupportLevel then return RETURN_UNSUPPORTED.\r | |
282 | \r | |
283 | Registers the handlers specified by GetHelpInfoHandler and CommandHandler\r | |
284 | with the command specified by CommandString. If the command named by\r | |
285 | CommandString has already been registered, then return\r | |
286 | RETURN_ALREADY_STARTED.\r | |
287 | \r | |
288 | If there are not enough resources available to register the handlers then\r | |
289 | RETURN_OUT_OF_RESOURCES is returned.\r | |
290 | \r | |
291 | If CommandString is NULL, then ASSERT().\r | |
292 | If GetHelpInfoHandler is NULL, then ASSERT().\r | |
293 | If CommandHandler is NULL, then ASSERT().\r | |
294 | If ProfileName is NULL, then ASSERT().\r | |
295 | \r | |
296 | @param[in] CommandString Pointer to the command name. This is the\r | |
297 | name to look for on the command line in\r | |
298 | the shell.\r | |
299 | @param[in] CommandHandler Pointer to a function that runs the\r | |
300 | specified command.\r | |
301 | @param[in] GetManFileName Pointer to a function that provides man\r | |
302 | filename.\r | |
303 | @param[in] ShellMinSupportLevel minimum Shell Support Level which has this\r | |
304 | function.\r | |
305 | @param[in] ProfileName profile name to require for support of this\r | |
306 | function.\r | |
307 | @param[in] CanAffectLE indicates whether this command's return value\r | |
308 | can change the LASTERROR environment variable.\r | |
309 | @param[in] HiiHandle Handle of this command's HII entry.\r | |
310 | @param[in] ManFormatHelp HII locator for the help text.\r | |
311 | \r | |
312 | @retval RETURN_SUCCESS The handlers were registered.\r | |
313 | @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to\r | |
314 | register the shell command.\r | |
315 | @retval RETURN_UNSUPPORTED the ShellMinSupportLevel was higher than the\r | |
316 | currently allowed support level.\r | |
317 | @retval RETURN_ALREADY_STARTED The CommandString represents a command that\r | |
318 | is already registered. Only 1 handler set for\r | |
319 | a given command is allowed.\r | |
320 | @sa SHELL_GET_MAN_FILENAME\r | |
321 | @sa SHELL_RUN_COMMAND\r | |
322 | **/\r | |
323 | RETURN_STATUS\r | |
324 | EFIAPI\r | |
325 | ShellCommandRegisterCommandName (\r | |
326 | IN CONST CHAR16 *CommandString,\r | |
327 | IN SHELL_RUN_COMMAND CommandHandler,\r | |
328 | IN SHELL_GET_MAN_FILENAME GetManFileName,\r | |
329 | IN UINT32 ShellMinSupportLevel,\r | |
330 | IN CONST CHAR16 *ProfileName,\r | |
331 | IN CONST BOOLEAN CanAffectLE,\r | |
332 | IN CONST EFI_HANDLE HiiHandle,\r | |
333 | IN CONST EFI_STRING_ID ManFormatHelp\r | |
334 | )\r | |
335 | {\r | |
336 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r | |
d51088b7 | 337 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Command;\r |
338 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *PrevCommand;\r | |
339 | INTN LexicalMatchValue;\r | |
340 | \r | |
341 | //\r | |
342 | // Initialize local variables.\r | |
343 | //\r | |
344 | Command = NULL;\r | |
345 | PrevCommand = NULL;\r | |
346 | LexicalMatchValue = 0;\r | |
a405b86d | 347 | \r |
348 | //\r | |
349 | // ASSERTs for NULL parameters\r | |
350 | //\r | |
351 | ASSERT(CommandString != NULL);\r | |
352 | ASSERT(GetManFileName != NULL);\r | |
353 | ASSERT(CommandHandler != NULL);\r | |
354 | ASSERT(ProfileName != NULL);\r | |
355 | \r | |
356 | //\r | |
357 | // check for shell support level\r | |
358 | //\r | |
359 | if (PcdGet8(PcdShellSupportLevel) < ShellMinSupportLevel) {\r | |
360 | return (RETURN_UNSUPPORTED);\r | |
361 | }\r | |
362 | \r | |
363 | //\r | |
364 | // check for already on the list\r | |
365 | //\r | |
366 | if (ShellCommandIsCommandOnList(CommandString)) {\r | |
367 | return (RETURN_ALREADY_STARTED);\r | |
368 | }\r | |
369 | \r | |
370 | //\r | |
371 | // allocate memory for new struct\r | |
372 | //\r | |
1a63ec8f | 373 | Node = AllocateZeroPool(sizeof(SHELL_COMMAND_INTERNAL_LIST_ENTRY));\r |
a405b86d | 374 | ASSERT(Node != NULL);\r |
1a63ec8f | 375 | Node->CommandString = AllocateZeroPool(StrSize(CommandString));\r |
a405b86d | 376 | ASSERT(Node->CommandString != NULL);\r |
377 | \r | |
378 | //\r | |
379 | // populate the new struct\r | |
380 | //\r | |
381 | StrCpy(Node->CommandString, CommandString);\r | |
382 | \r | |
383 | Node->GetManFileName = GetManFileName;\r | |
384 | Node->CommandHandler = CommandHandler;\r | |
385 | Node->LastError = CanAffectLE;\r | |
386 | Node->HiiHandle = HiiHandle;\r | |
387 | Node->ManFormatHelp = ManFormatHelp;\r | |
388 | \r | |
389 | if ( StrLen(ProfileName)>0\r | |
390 | && ((mProfileList != NULL\r | |
391 | && StrStr(mProfileList, ProfileName) == NULL) || mProfileList == NULL)\r | |
392 | ){\r | |
393 | ASSERT((mProfileList == NULL && mProfileListSize == 0) || (mProfileList != NULL));\r | |
394 | if (mProfileList == NULL) {\r | |
395 | //\r | |
396 | // If this is the first make a leading ';'\r | |
397 | //\r | |
398 | StrnCatGrow(&mProfileList, &mProfileListSize, L";", 0);\r | |
399 | }\r | |
400 | StrnCatGrow(&mProfileList, &mProfileListSize, ProfileName, 0);\r | |
401 | StrnCatGrow(&mProfileList, &mProfileListSize, L";", 0);\r | |
402 | }\r | |
403 | \r | |
404 | //\r | |
d51088b7 | 405 | // Insert a new entry on top of the list\r |
406 | //\r | |
407 | InsertHeadList (&mCommandList.Link, &Node->Link);\r | |
408 | \r | |
409 | //\r | |
410 | // Move a new registered command to its sorted ordered location in the list\r | |
a405b86d | 411 | //\r |
d51088b7 | 412 | for (Command = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode (&mCommandList.Link),\r |
413 | PrevCommand = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode (&mCommandList.Link)\r | |
414 | ; !IsNull (&mCommandList.Link, &Command->Link)\r | |
415 | ; Command = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetNextNode (&mCommandList.Link, &Command->Link)) {\r | |
416 | \r | |
417 | //\r | |
418 | // Get Lexical Comparison Value between PrevCommand and Command list entry\r | |
419 | //\r | |
420 | LexicalMatchValue = gUnicodeCollation->StriColl (\r | |
421 | gUnicodeCollation,\r | |
422 | PrevCommand->CommandString,\r | |
423 | Command->CommandString\r | |
424 | );\r | |
425 | \r | |
426 | //\r | |
427 | // Swap PrevCommand and Command list entry if PrevCommand list entry\r | |
428 | // is alphabetically greater than Command list entry\r | |
429 | //\r | |
430 | if (LexicalMatchValue > 0){\r | |
431 | Command = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *) SwapListEntries (&PrevCommand->Link, &Command->Link);\r | |
432 | } else if (LexicalMatchValue < 0) {\r | |
433 | //\r | |
434 | // PrevCommand entry is lexically lower than Command entry\r | |
435 | //\r | |
436 | break;\r | |
437 | }\r | |
438 | }\r | |
a405b86d | 439 | \r |
440 | return (RETURN_SUCCESS);\r | |
441 | }\r | |
442 | \r | |
443 | /**\r | |
444 | Function to get the current Profile string.\r | |
445 | \r | |
446 | @retval NULL There are no installed profiles.\r | |
447 | @return A semi-colon delimited list of profiles.\r | |
448 | **/\r | |
449 | CONST CHAR16 *\r | |
450 | EFIAPI\r | |
451 | ShellCommandGetProfileList (\r | |
452 | VOID\r | |
453 | )\r | |
454 | {\r | |
455 | return (mProfileList);\r | |
456 | }\r | |
457 | \r | |
458 | /**\r | |
459 | Checks if a command string has been registered for CommandString and if so it runs\r | |
460 | the previously registered handler for that command with the command line.\r | |
461 | \r | |
462 | If CommandString is NULL, then ASSERT().\r | |
463 | \r | |
464 | If Sections is specified, then each section name listed will be compared in a casesensitive\r | |
465 | manner, to the section names described in Appendix B UEFI Shell 2.0 spec. If the section exists,\r | |
466 | it will be appended to the returned help text. If the section does not exist, no\r | |
467 | information will be returned. If Sections is NULL, then all help text information\r | |
468 | available will be returned.\r | |
469 | \r | |
4ff7e37b ED |
470 | @param[in] CommandString Pointer to the command name. This is the name\r |
471 | found on the command line in the shell.\r | |
472 | @param[in, out] RetVal Pointer to the return vaule from the command handler.\r | |
a405b86d | 473 | \r |
4ff7e37b ED |
474 | @param[in, out] CanAffectLE indicates whether this command's return value\r |
475 | needs to be placed into LASTERROR environment variable.\r | |
a405b86d | 476 | \r |
477 | @retval RETURN_SUCCESS The handler was run.\r | |
478 | @retval RETURN_NOT_FOUND The CommandString did not match a registered\r | |
479 | command name.\r | |
480 | @sa SHELL_RUN_COMMAND\r | |
481 | **/\r | |
482 | RETURN_STATUS\r | |
483 | EFIAPI\r | |
484 | ShellCommandRunCommandHandler (\r | |
485 | IN CONST CHAR16 *CommandString,\r | |
486 | IN OUT SHELL_STATUS *RetVal,\r | |
487 | IN OUT BOOLEAN *CanAffectLE OPTIONAL\r | |
488 | )\r | |
489 | {\r | |
490 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r | |
491 | \r | |
492 | //\r | |
493 | // assert for NULL parameters\r | |
494 | //\r | |
495 | ASSERT(CommandString != NULL);\r | |
496 | \r | |
497 | //\r | |
498 | // check for the command\r | |
499 | //\r | |
500 | for ( Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode(&mCommandList.Link)\r | |
501 | ; !IsNull(&mCommandList.Link, &Node->Link)\r | |
502 | ; Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetNextNode(&mCommandList.Link, &Node->Link)\r | |
503 | ){\r | |
504 | ASSERT(Node->CommandString != NULL);\r | |
505 | if (gUnicodeCollation->StriColl(\r | |
506 | gUnicodeCollation,\r | |
507 | (CHAR16*)CommandString,\r | |
508 | Node->CommandString) == 0\r | |
509 | ){\r | |
510 | if (CanAffectLE != NULL) {\r | |
511 | *CanAffectLE = Node->LastError;\r | |
512 | }\r | |
513 | if (RetVal != NULL) {\r | |
514 | *RetVal = Node->CommandHandler(NULL, gST);\r | |
515 | } else {\r | |
516 | Node->CommandHandler(NULL, gST);\r | |
517 | }\r | |
518 | return (RETURN_SUCCESS);\r | |
519 | }\r | |
520 | }\r | |
521 | return (RETURN_NOT_FOUND);\r | |
522 | }\r | |
523 | \r | |
524 | /**\r | |
525 | Checks if a command string has been registered for CommandString and if so it\r | |
526 | returns the MAN filename specified for that command.\r | |
527 | \r | |
528 | If CommandString is NULL, then ASSERT().\r | |
529 | \r | |
530 | @param[in] CommandString Pointer to the command name. This is the name\r | |
531 | found on the command line in the shell.\\r | |
532 | \r | |
533 | @retval NULL the commandString was not a registered command.\r | |
534 | @return other the name of the MAN file.\r | |
535 | @sa SHELL_GET_MAN_FILENAME\r | |
536 | **/\r | |
537 | CONST CHAR16*\r | |
538 | EFIAPI\r | |
539 | ShellCommandGetManFileNameHandler (\r | |
540 | IN CONST CHAR16 *CommandString\r | |
541 | )\r | |
542 | {\r | |
543 | SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;\r | |
544 | \r | |
545 | //\r | |
546 | // assert for NULL parameters\r | |
547 | //\r | |
548 | ASSERT(CommandString != NULL);\r | |
549 | \r | |
550 | //\r | |
551 | // check for the command\r | |
552 | //\r | |
553 | for ( Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode(&mCommandList.Link)\r | |
554 | ; !IsNull(&mCommandList.Link, &Node->Link)\r | |
555 | ; Node = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetNextNode(&mCommandList.Link, &Node->Link)\r | |
556 | ){\r | |
557 | ASSERT(Node->CommandString != NULL);\r | |
558 | if (gUnicodeCollation->StriColl(\r | |
559 | gUnicodeCollation,\r | |
560 | (CHAR16*)CommandString,\r | |
561 | Node->CommandString) == 0\r | |
562 | ){\r | |
563 | return (Node->GetManFileName());\r | |
564 | }\r | |
565 | }\r | |
566 | return (NULL);\r | |
567 | }\r | |
568 | \r | |
569 | /**\r | |
570 | Get the list of all available shell internal commands. This is a linked list\r | |
571 | (via LIST_ENTRY structure). enumerate through it using the BaseLib linked\r | |
572 | list functions. do not modify the values.\r | |
573 | \r | |
1a63ec8f | 574 | @param[in] Sort TRUE to alphabetically sort the values first. FALSE otherwise.\r |
575 | \r | |
a405b86d | 576 | @return a Linked list of all available shell commands.\r |
577 | **/\r | |
578 | CONST COMMAND_LIST*\r | |
579 | EFIAPI\r | |
580 | ShellCommandGetCommandList (\r | |
1a63ec8f | 581 | IN CONST BOOLEAN Sort\r |
a405b86d | 582 | )\r |
583 | {\r | |
1a63ec8f | 584 | // if (!Sort) {\r |
585 | // return ((COMMAND_LIST*)(&mCommandList));\r | |
586 | // }\r | |
a405b86d | 587 | return ((COMMAND_LIST*)(&mCommandList));\r |
588 | }\r | |
589 | \r | |
590 | /**\r | |
591 | Registers aliases to be set as part of the initialization of the shell application.\r | |
592 | \r | |
593 | If Command is NULL, then ASSERT().\r | |
594 | If Alias is NULL, then ASSERT().\r | |
595 | \r | |
596 | @param[in] Command Pointer to the Command\r | |
597 | @param[in] Alias Pointer to Alias\r | |
598 | \r | |
599 | @retval RETURN_SUCCESS The handlers were registered.\r | |
600 | @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to\r | |
601 | register the shell command.\r | |
602 | **/\r | |
603 | RETURN_STATUS\r | |
604 | EFIAPI\r | |
605 | ShellCommandRegisterAlias (\r | |
606 | IN CONST CHAR16 *Command,\r | |
607 | IN CONST CHAR16 *Alias\r | |
608 | )\r | |
609 | {\r | |
610 | ALIAS_LIST *Node;\r | |
611 | \r | |
612 | //\r | |
613 | // Asserts for NULL\r | |
614 | //\r | |
615 | ASSERT(Command != NULL);\r | |
616 | ASSERT(Alias != NULL);\r | |
617 | \r | |
618 | //\r | |
619 | // allocate memory for new struct\r | |
620 | //\r | |
1a63ec8f | 621 | Node = AllocateZeroPool(sizeof(ALIAS_LIST));\r |
a405b86d | 622 | ASSERT(Node != NULL);\r |
1a63ec8f | 623 | Node->CommandString = AllocateZeroPool(StrSize(Command));\r |
624 | Node->Alias = AllocateZeroPool(StrSize(Alias));\r | |
a405b86d | 625 | ASSERT(Node->CommandString != NULL);\r |
626 | ASSERT(Node->Alias != NULL);\r | |
627 | \r | |
628 | //\r | |
629 | // populate the new struct\r | |
630 | //\r | |
631 | StrCpy(Node->CommandString, Command);\r | |
632 | StrCpy(Node->Alias , Alias );\r | |
633 | \r | |
634 | //\r | |
635 | // add the new struct to the list\r | |
636 | //\r | |
637 | InsertTailList (&mAliasList.Link, &Node->Link);\r | |
638 | \r | |
639 | return (RETURN_SUCCESS);\r | |
640 | }\r | |
641 | \r | |
642 | /**\r | |
643 | Get the list of all shell alias commands. This is a linked list\r | |
644 | (via LIST_ENTRY structure). enumerate through it using the BaseLib linked\r | |
645 | list functions. do not modify the values.\r | |
646 | \r | |
647 | @return a Linked list of all requested shell alias'.\r | |
648 | **/\r | |
649 | CONST ALIAS_LIST*\r | |
650 | EFIAPI\r | |
651 | ShellCommandGetInitAliasList (\r | |
652 | VOID\r | |
653 | )\r | |
654 | {\r | |
655 | return (&mAliasList);\r | |
656 | }\r | |
657 | \r | |
658 | /**\r | |
1a63ec8f | 659 | Determine if a given alias is on the list of built in alias'.\r |
a405b86d | 660 | \r |
661 | @param[in] Alias The alias to test for\r | |
662 | \r | |
663 | @retval TRUE The alias is a built in alias\r | |
664 | @retval FALSE The alias is not a built in alias\r | |
665 | **/\r | |
666 | BOOLEAN\r | |
667 | EFIAPI\r | |
668 | ShellCommandIsOnAliasList(\r | |
669 | IN CONST CHAR16 *Alias\r | |
670 | )\r | |
671 | {\r | |
672 | ALIAS_LIST *Node;\r | |
673 | \r | |
674 | //\r | |
675 | // assert for NULL parameter\r | |
676 | //\r | |
677 | ASSERT(Alias != NULL);\r | |
678 | \r | |
679 | //\r | |
680 | // check for the Alias\r | |
681 | //\r | |
682 | for ( Node = (ALIAS_LIST *)GetFirstNode(&mAliasList.Link)\r | |
683 | ; !IsNull(&mAliasList.Link, &Node->Link)\r | |
684 | ; Node = (ALIAS_LIST *)GetNextNode(&mAliasList.Link, &Node->Link)\r | |
685 | ){\r | |
686 | ASSERT(Node->CommandString != NULL);\r | |
687 | ASSERT(Node->Alias != NULL);\r | |
688 | if (gUnicodeCollation->StriColl(\r | |
689 | gUnicodeCollation,\r | |
690 | (CHAR16*)Alias,\r | |
691 | Node->CommandString) == 0\r | |
692 | ){\r | |
693 | return (TRUE);\r | |
694 | }\r | |
695 | if (gUnicodeCollation->StriColl(\r | |
696 | gUnicodeCollation,\r | |
697 | (CHAR16*)Alias,\r | |
698 | Node->Alias) == 0\r | |
699 | ){\r | |
700 | return (TRUE);\r | |
701 | }\r | |
702 | }\r | |
703 | return (FALSE);\r | |
704 | }\r | |
705 | \r | |
706 | /**\r | |
707 | Function to determine current state of ECHO. Echo determins if lines from scripts\r | |
708 | and ECHO commands are enabled.\r | |
709 | \r | |
710 | @retval TRUE Echo is currently enabled\r | |
711 | @retval FALSE Echo is currently disabled\r | |
712 | **/\r | |
713 | BOOLEAN\r | |
714 | EFIAPI\r | |
715 | ShellCommandGetEchoState(\r | |
716 | VOID\r | |
717 | )\r | |
718 | {\r | |
719 | return (mEchoState);\r | |
720 | }\r | |
721 | \r | |
722 | /**\r | |
723 | Function to set current state of ECHO. Echo determins if lines from scripts\r | |
724 | and ECHO commands are enabled.\r | |
725 | \r | |
726 | If State is TRUE, Echo will be enabled.\r | |
727 | If State is FALSE, Echo will be disabled.\r | |
1a63ec8f | 728 | \r |
729 | @param[in] State How to set echo.\r | |
a405b86d | 730 | **/\r |
731 | VOID\r | |
732 | EFIAPI\r | |
733 | ShellCommandSetEchoState(\r | |
734 | IN BOOLEAN State\r | |
735 | )\r | |
736 | {\r | |
737 | mEchoState = State;\r | |
738 | }\r | |
739 | \r | |
740 | /**\r | |
741 | Indicate that the current shell or script should exit.\r | |
742 | \r | |
b6b22b13 | 743 | @param[in] ScriptOnly TRUE if exiting a script; FALSE otherwise.\r |
744 | @param[in] ErrorCode The 64 bit error code to return.\r | |
a405b86d | 745 | **/\r |
746 | VOID\r | |
747 | EFIAPI\r | |
748 | ShellCommandRegisterExit (\r | |
b6b22b13 | 749 | IN BOOLEAN ScriptOnly,\r |
750 | IN CONST UINT64 ErrorCode\r | |
a405b86d | 751 | )\r |
752 | {\r | |
753 | mExitRequested = (BOOLEAN)(!mExitRequested);\r | |
754 | if (mExitRequested) {\r | |
755 | mExitScript = ScriptOnly;\r | |
756 | } else {\r | |
757 | mExitScript = FALSE;\r | |
758 | }\r | |
b6b22b13 | 759 | mExitCode = ErrorCode;\r |
a405b86d | 760 | }\r |
761 | \r | |
762 | /**\r | |
763 | Retrieve the Exit indicator.\r | |
764 | \r | |
765 | @retval TRUE Exit was indicated.\r | |
766 | @retval FALSE Exis was not indicated.\r | |
767 | **/\r | |
768 | BOOLEAN\r | |
769 | EFIAPI\r | |
770 | ShellCommandGetExit (\r | |
771 | VOID\r | |
772 | )\r | |
773 | {\r | |
774 | return (mExitRequested);\r | |
775 | }\r | |
776 | \r | |
b6b22b13 | 777 | /**\r |
778 | Retrieve the Exit code.\r | |
779 | \r | |
780 | If ShellCommandGetExit returns FALSE than the return from this is undefined.\r | |
781 | \r | |
782 | @return the value passed into RegisterExit.\r | |
783 | **/\r | |
784 | UINT64\r | |
785 | EFIAPI\r | |
786 | ShellCommandGetExitCode (\r | |
787 | VOID\r | |
788 | )\r | |
789 | {\r | |
790 | return (mExitCode);\r | |
791 | }\r | |
a405b86d | 792 | /**\r |
793 | Retrieve the Exit script indicator.\r | |
794 | \r | |
795 | If ShellCommandGetExit returns FALSE than the return from this is undefined.\r | |
796 | \r | |
797 | @retval TRUE ScriptOnly was indicated.\r | |
798 | @retval FALSE ScriptOnly was not indicated.\r | |
799 | **/\r | |
800 | BOOLEAN\r | |
801 | EFIAPI\r | |
802 | ShellCommandGetScriptExit (\r | |
803 | VOID\r | |
804 | )\r | |
805 | {\r | |
806 | return (mExitScript);\r | |
807 | }\r | |
808 | \r | |
809 | /**\r | |
810 | Function to cleanup all memory from a SCRIPT_FILE structure.\r | |
811 | \r | |
812 | @param[in] Script The pointer to the structure to cleanup.\r | |
813 | **/\r | |
814 | VOID\r | |
815 | EFIAPI\r | |
816 | DeleteScriptFileStruct (\r | |
817 | IN SCRIPT_FILE *Script\r | |
818 | )\r | |
819 | {\r | |
820 | UINT8 LoopVar;\r | |
0ab85bef | 821 | \r |
822 | if (Script == NULL) {\r | |
823 | return;\r | |
824 | }\r | |
825 | \r | |
a405b86d | 826 | for (LoopVar = 0 ; LoopVar < Script->Argc ; LoopVar++) {\r |
0ab85bef | 827 | SHELL_FREE_NON_NULL(Script->Argv[LoopVar]);\r |
a405b86d | 828 | }\r |
829 | if (Script->Argv != NULL) {\r | |
0ab85bef | 830 | SHELL_FREE_NON_NULL(Script->Argv);\r |
a405b86d | 831 | }\r |
832 | Script->CurrentCommand = NULL;\r | |
833 | while (!IsListEmpty (&Script->CommandList)) {\r | |
834 | Script->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetFirstNode(&Script->CommandList);\r | |
835 | if (Script->CurrentCommand != NULL) {\r | |
836 | RemoveEntryList(&Script->CurrentCommand->Link);\r | |
837 | if (Script->CurrentCommand->Cl != NULL) {\r | |
0ab85bef | 838 | SHELL_FREE_NON_NULL(Script->CurrentCommand->Cl);\r |
a405b86d | 839 | }\r |
840 | if (Script->CurrentCommand->Data != NULL) {\r | |
0ab85bef | 841 | SHELL_FREE_NON_NULL(Script->CurrentCommand->Data);\r |
a405b86d | 842 | }\r |
0ab85bef | 843 | SHELL_FREE_NON_NULL(Script->CurrentCommand);\r |
a405b86d | 844 | }\r |
845 | }\r | |
0ab85bef | 846 | SHELL_FREE_NON_NULL(Script->ScriptName);\r |
847 | SHELL_FREE_NON_NULL(Script);\r | |
a405b86d | 848 | }\r |
849 | \r | |
850 | /**\r | |
851 | Function to return a pointer to the currently running script file object.\r | |
852 | \r | |
853 | @retval NULL A script file is not currently running.\r | |
854 | @return A pointer to the current script file object.\r | |
855 | **/\r | |
856 | SCRIPT_FILE*\r | |
857 | EFIAPI\r | |
858 | ShellCommandGetCurrentScriptFile (\r | |
859 | VOID\r | |
860 | )\r | |
861 | {\r | |
862 | SCRIPT_FILE_LIST *List;\r | |
863 | if (IsListEmpty (&mScriptList.Link)) {\r | |
864 | return (NULL);\r | |
865 | }\r | |
866 | List = ((SCRIPT_FILE_LIST*)GetFirstNode(&mScriptList.Link));\r | |
867 | return (List->Data);\r | |
868 | }\r | |
869 | \r | |
870 | /**\r | |
871 | Function to set a new script as the currently running one.\r | |
872 | \r | |
873 | This function will correctly stack and unstack nested scripts.\r | |
874 | \r | |
875 | @param[in] Script Pointer to new script information structure. if NULL\r | |
876 | will remove and de-allocate the top-most Script structure.\r | |
877 | \r | |
878 | @return A pointer to the current running script file after this\r | |
879 | change. NULL if removing the final script.\r | |
880 | **/\r | |
881 | SCRIPT_FILE*\r | |
882 | EFIAPI\r | |
883 | ShellCommandSetNewScript (\r | |
884 | IN SCRIPT_FILE *Script OPTIONAL\r | |
885 | )\r | |
886 | {\r | |
887 | SCRIPT_FILE_LIST *Node;\r | |
888 | if (Script == NULL) {\r | |
889 | if (IsListEmpty (&mScriptList.Link)) {\r | |
a405b86d | 890 | return (NULL);\r |
891 | }\r | |
892 | Node = (SCRIPT_FILE_LIST *)GetFirstNode(&mScriptList.Link);\r | |
893 | RemoveEntryList(&Node->Link);\r | |
894 | DeleteScriptFileStruct(Node->Data);\r | |
895 | FreePool(Node);\r | |
896 | } else {\r | |
897 | Node = AllocateZeroPool(sizeof(SCRIPT_FILE_LIST));\r | |
0ab85bef | 898 | if (Node == NULL) {\r |
899 | return (NULL);\r | |
900 | }\r | |
a405b86d | 901 | Node->Data = Script;\r |
902 | InsertHeadList(&mScriptList.Link, &Node->Link);\r | |
903 | }\r | |
904 | return (ShellCommandGetCurrentScriptFile());\r | |
905 | }\r | |
906 | \r | |
907 | /**\r | |
908 | Function to generate the next default mapping name.\r | |
909 | \r | |
910 | If the return value is not NULL then it must be callee freed.\r | |
911 | \r | |
912 | @param Type What kind of mapping name to make.\r | |
913 | \r | |
914 | @retval NULL a memory allocation failed.\r | |
915 | @return a new map name string\r | |
916 | **/\r | |
917 | CHAR16*\r | |
918 | EFIAPI\r | |
919 | ShellCommandCreateNewMappingName(\r | |
920 | IN CONST SHELL_MAPPING_TYPE Type\r | |
921 | )\r | |
922 | {\r | |
923 | CHAR16 *String;\r | |
924 | ASSERT(Type < MappingTypeMax);\r | |
925 | \r | |
926 | String = NULL;\r | |
927 | \r | |
928 | String = AllocateZeroPool(PcdGet8(PcdShellMapNameLength) * sizeof(String[0]));\r | |
929 | UnicodeSPrint(\r | |
930 | String,\r | |
931 | PcdGet8(PcdShellMapNameLength) * sizeof(String[0]),\r | |
932 | Type == MappingTypeFileSystem?L"FS%d:":L"BLK%d:",\r | |
933 | Type == MappingTypeFileSystem?mFsMaxCount++:mBlkMaxCount++);\r | |
934 | \r | |
935 | return (String);\r | |
936 | }\r | |
937 | \r | |
938 | /**\r | |
939 | Function to add a map node to the list of map items and update the "path" environment variable (optionally).\r | |
940 | \r | |
941 | If Path is TRUE (during initialization only), the path environment variable will also be updated to include\r | |
942 | default paths on the new map name...\r | |
943 | \r | |
944 | Path should be FALSE when this function is called from the protocol SetMap function.\r | |
945 | \r | |
946 | @param[in] Name The human readable mapped name.\r | |
947 | @param[in] DevicePath The Device Path for this map.\r | |
948 | @param[in] Flags The Flags attribute for this map item.\r | |
949 | @param[in] Path TRUE to update path, FALSE to skip this step (should only be TRUE during initialization).\r | |
950 | \r | |
951 | @retval EFI_SUCCESS The addition was sucessful.\r | |
952 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
953 | @retval EFI_INVALID_PARAMETER A parameter was invalid.\r | |
954 | **/\r | |
955 | EFI_STATUS\r | |
956 | EFIAPI\r | |
957 | ShellCommandAddMapItemAndUpdatePath(\r | |
958 | IN CONST CHAR16 *Name,\r | |
959 | IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
960 | IN CONST UINT64 Flags,\r | |
961 | IN CONST BOOLEAN Path\r | |
962 | )\r | |
963 | {\r | |
964 | EFI_STATUS Status;\r | |
965 | SHELL_MAP_LIST *MapListNode;\r | |
966 | CONST CHAR16 *OriginalPath;\r | |
967 | CHAR16 *NewPath;\r | |
968 | UINTN NewPathSize;\r | |
969 | \r | |
970 | NewPathSize = 0;\r | |
971 | NewPath = NULL;\r | |
972 | OriginalPath = NULL;\r | |
973 | Status = EFI_SUCCESS;\r | |
974 | \r | |
975 | MapListNode = AllocateZeroPool(sizeof(SHELL_MAP_LIST));\r | |
976 | if (MapListNode == NULL) {\r | |
977 | Status = EFI_OUT_OF_RESOURCES;\r | |
978 | } else {\r | |
979 | MapListNode->Flags = Flags;\r | |
980 | MapListNode->MapName = AllocateZeroPool(StrSize(Name));\r | |
981 | MapListNode->DevicePath = DuplicateDevicePath(DevicePath);\r | |
982 | if ((MapListNode->MapName == NULL) || (MapListNode->DevicePath == NULL)){\r | |
983 | Status = EFI_OUT_OF_RESOURCES;\r | |
984 | } else {\r | |
985 | StrCpy(MapListNode->MapName, Name);\r | |
986 | InsertTailList(&gShellMapList.Link, &MapListNode->Link);\r | |
987 | }\r | |
988 | }\r | |
989 | if (EFI_ERROR(Status)) {\r | |
990 | if (MapListNode != NULL) {\r | |
991 | if (MapListNode->DevicePath != NULL) {\r | |
992 | FreePool(MapListNode->DevicePath);\r | |
993 | }\r | |
994 | if (MapListNode->MapName != NULL) {\r | |
995 | FreePool(MapListNode->MapName);\r | |
996 | }\r | |
997 | FreePool(MapListNode);\r | |
998 | }\r | |
999 | } else if (Path) {\r | |
1000 | //\r | |
1001 | // Since there was no error and Path was TRUE\r | |
1002 | // Now add the correct path for that mapping\r | |
1003 | //\r | |
1004 | OriginalPath = gEfiShellProtocol->GetEnv(L"path");\r | |
1005 | ASSERT((NewPath == NULL && NewPathSize == 0) || (NewPath != NULL));\r | |
1006 | if (OriginalPath != NULL) {\r | |
1007 | StrnCatGrow(&NewPath, &NewPathSize, OriginalPath, 0);\r | |
1008 | } else {\r | |
1009 | StrnCatGrow(&NewPath, &NewPathSize, L".\\", 0);\r | |
1010 | }\r | |
1011 | StrnCatGrow(&NewPath, &NewPathSize, L";", 0);\r | |
1012 | StrnCatGrow(&NewPath, &NewPathSize, Name, 0);\r | |
1013 | StrnCatGrow(&NewPath, &NewPathSize, L"\\efi\\tools\\;", 0);\r | |
1014 | StrnCatGrow(&NewPath, &NewPathSize, Name, 0);\r | |
1015 | StrnCatGrow(&NewPath, &NewPathSize, L"\\efi\\boot\\;", 0);\r | |
1016 | StrnCatGrow(&NewPath, &NewPathSize, Name, 0);\r | |
1017 | StrnCatGrow(&NewPath, &NewPathSize, L"\\", 0);\r | |
1018 | \r | |
1019 | Status = gEfiShellProtocol->SetEnv(L"path", NewPath, TRUE);\r | |
1020 | ASSERT_EFI_ERROR(Status);\r | |
1021 | FreePool(NewPath);\r | |
1022 | }\r | |
1023 | return (Status);\r | |
1024 | }\r | |
1025 | \r | |
1026 | /**\r | |
1027 | Creates the default map names for each device path in the system with\r | |
1028 | a protocol depending on the Type.\r | |
1029 | \r | |
1030 | Creates the consistent map names for each device path in the system with\r | |
1031 | a protocol depending on the Type.\r | |
1032 | \r | |
1033 | Note: This will reset all mappings in the system("map -r").\r | |
1034 | \r | |
1035 | Also sets up the default path environment variable if Type is FileSystem.\r | |
1036 | \r | |
1037 | @retval EFI_SUCCESS All map names were created sucessfully.\r | |
1038 | @retval EFI_NOT_FOUND No protocols were found in the system.\r | |
1039 | @return Error returned from gBS->LocateHandle().\r | |
1040 | \r | |
1041 | @sa LocateHandle\r | |
1042 | **/\r | |
1043 | EFI_STATUS\r | |
1044 | EFIAPI\r | |
1045 | ShellCommandCreateInitialMappingsAndPaths(\r | |
1046 | VOID\r | |
1047 | )\r | |
1048 | {\r | |
1049 | EFI_STATUS Status;\r | |
1050 | EFI_HANDLE *HandleList;\r | |
1051 | UINTN Count;\r | |
1052 | EFI_DEVICE_PATH_PROTOCOL **DevicePathList;\r | |
1053 | CHAR16 *NewDefaultName;\r | |
1054 | CHAR16 *NewConsistName;\r | |
1055 | EFI_DEVICE_PATH_PROTOCOL **ConsistMappingTable;\r | |
1056 | SHELL_MAP_LIST *MapListNode;\r | |
1057 | \r | |
1058 | HandleList = NULL;\r | |
1059 | \r | |
1060 | //\r | |
1061 | // Reset the static members back to zero\r | |
1062 | //\r | |
1063 | mFsMaxCount = 0;\r | |
1064 | mBlkMaxCount = 0;\r | |
1065 | \r | |
1066 | gEfiShellProtocol->SetEnv(L"path", L"", TRUE);\r | |
1067 | \r | |
1068 | //\r | |
1069 | // First empty out the existing list.\r | |
1070 | //\r | |
1071 | if (!IsListEmpty(&gShellMapList.Link)) {\r | |
1072 | for ( MapListNode = (SHELL_MAP_LIST *)GetFirstNode(&gShellMapList.Link)\r | |
1073 | ; !IsListEmpty(&gShellMapList.Link)\r | |
1074 | ; MapListNode = (SHELL_MAP_LIST *)GetFirstNode(&gShellMapList.Link)\r | |
1075 | ){\r | |
1076 | RemoveEntryList(&MapListNode->Link);\r | |
1077 | FreePool(MapListNode);\r | |
1078 | } // for loop\r | |
1079 | }\r | |
1080 | \r | |
1081 | //\r | |
1082 | // Find each handle with Simple File System\r | |
1083 | //\r | |
0ab85bef | 1084 | HandleList = GetHandleListByProtocol(&gEfiSimpleFileSystemProtocolGuid);\r |
a405b86d | 1085 | if (HandleList != NULL) {\r |
1086 | //\r | |
1087 | // Do a count of the handles\r | |
1088 | //\r | |
1089 | for (Count = 0 ; HandleList[Count] != NULL ; Count++);\r | |
1090 | \r | |
1091 | //\r | |
1092 | // Get all Device Paths\r | |
1093 | //\r | |
1a63ec8f | 1094 | DevicePathList = AllocateZeroPool(sizeof(EFI_DEVICE_PATH_PROTOCOL*) * Count);\r |
a405b86d | 1095 | ASSERT(DevicePathList != NULL);\r |
1096 | \r | |
1097 | for (Count = 0 ; HandleList[Count] != NULL ; Count++) {\r | |
1098 | DevicePathList[Count] = DevicePathFromHandle(HandleList[Count]);\r | |
1099 | }\r | |
1100 | \r | |
1101 | //\r | |
1102 | // Sort all DevicePaths\r | |
1103 | //\r | |
1104 | PerformQuickSort(DevicePathList, Count, sizeof(EFI_DEVICE_PATH_PROTOCOL*), DevicePathCompare);\r | |
1105 | \r | |
1106 | ShellCommandConsistMappingInitialize(&ConsistMappingTable);\r | |
1107 | //\r | |
1108 | // Assign new Mappings to all...\r | |
1109 | //\r | |
1110 | for (Count = 0 ; HandleList[Count] != NULL ; Count++) {\r | |
1111 | //\r | |
1112 | // Get default name first\r | |
1113 | //\r | |
1114 | NewDefaultName = ShellCommandCreateNewMappingName(MappingTypeFileSystem);\r | |
1115 | ASSERT(NewDefaultName != NULL);\r | |
1116 | Status = ShellCommandAddMapItemAndUpdatePath(NewDefaultName, DevicePathList[Count], 0, TRUE);\r | |
1117 | ASSERT_EFI_ERROR(Status);\r | |
1118 | FreePool(NewDefaultName);\r | |
1119 | \r | |
1120 | //\r | |
1121 | // Now do consistent name\r | |
1122 | //\r | |
1123 | NewConsistName = ShellCommandConsistMappingGenMappingName(DevicePathList[Count], ConsistMappingTable);\r | |
1124 | if (NewConsistName != NULL) {\r | |
1125 | Status = ShellCommandAddMapItemAndUpdatePath(NewConsistName, DevicePathList[Count], 0, FALSE);\r | |
1126 | ASSERT_EFI_ERROR(Status);\r | |
1127 | FreePool(NewConsistName);\r | |
1128 | }\r | |
1129 | }\r | |
1130 | \r | |
1131 | ShellCommandConsistMappingUnInitialize(ConsistMappingTable);\r | |
1132 | \r | |
1133 | SHELL_FREE_NON_NULL(HandleList);\r | |
1134 | SHELL_FREE_NON_NULL(DevicePathList);\r | |
1135 | \r | |
1136 | HandleList = NULL;\r | |
1137 | } else {\r | |
1138 | Count = (UINTN)-1;\r | |
1139 | }\r | |
1140 | \r | |
1141 | //\r | |
1142 | // Find each handle with Block Io\r | |
1143 | //\r | |
0ab85bef | 1144 | HandleList = GetHandleListByProtocol(&gEfiBlockIoProtocolGuid);\r |
a405b86d | 1145 | if (HandleList != NULL) {\r |
1146 | for (Count = 0 ; HandleList[Count] != NULL ; Count++);\r | |
1147 | \r | |
1148 | //\r | |
1149 | // Get all Device Paths\r | |
1150 | //\r | |
1a63ec8f | 1151 | DevicePathList = AllocateZeroPool(sizeof(EFI_DEVICE_PATH_PROTOCOL*) * Count);\r |
a405b86d | 1152 | ASSERT(DevicePathList != NULL);\r |
1153 | \r | |
1154 | for (Count = 0 ; HandleList[Count] != NULL ; Count++) {\r | |
1155 | DevicePathList[Count] = DevicePathFromHandle(HandleList[Count]);\r | |
1156 | }\r | |
1157 | \r | |
1158 | //\r | |
1159 | // Sort all DevicePaths\r | |
1160 | //\r | |
1161 | PerformQuickSort(DevicePathList, Count, sizeof(EFI_DEVICE_PATH_PROTOCOL*), DevicePathCompare);\r | |
1162 | \r | |
1163 | //\r | |
1164 | // Assign new Mappings to all...\r | |
1165 | //\r | |
1166 | for (Count = 0 ; HandleList[Count] != NULL ; Count++) {\r | |
1167 | //\r | |
1168 | // Get default name first\r | |
1169 | //\r | |
1170 | NewDefaultName = ShellCommandCreateNewMappingName(MappingTypeBlockIo);\r | |
1171 | ASSERT(NewDefaultName != NULL);\r | |
1172 | Status = ShellCommandAddMapItemAndUpdatePath(NewDefaultName, DevicePathList[Count], 0, FALSE);\r | |
1173 | ASSERT_EFI_ERROR(Status);\r | |
1174 | FreePool(NewDefaultName);\r | |
1175 | }\r | |
1176 | \r | |
1177 | SHELL_FREE_NON_NULL(HandleList);\r | |
1178 | SHELL_FREE_NON_NULL(DevicePathList);\r | |
1179 | } else if (Count == (UINTN)-1) {\r | |
1180 | return (EFI_NOT_FOUND);\r | |
1181 | }\r | |
1182 | \r | |
1183 | return (EFI_SUCCESS);\r | |
1184 | }\r | |
1185 | \r | |
a405b86d | 1186 | /**\r |
1187 | Converts a SHELL_FILE_HANDLE to an EFI_FILE_PROTOCOL*.\r | |
1188 | \r | |
1189 | @param[in] Handle The SHELL_FILE_HANDLE to convert.\r | |
1190 | \r | |
1191 | @return a EFI_FILE_PROTOCOL* representing the same file.\r | |
1192 | **/\r | |
1193 | EFI_FILE_PROTOCOL*\r | |
1194 | EFIAPI\r | |
1195 | ConvertShellHandleToEfiFileProtocol(\r | |
1196 | IN CONST SHELL_FILE_HANDLE Handle\r | |
1197 | )\r | |
1198 | {\r | |
1199 | return ((EFI_FILE_PROTOCOL*)(Handle));\r | |
1200 | }\r | |
1201 | \r | |
1202 | /**\r | |
1203 | Converts a EFI_FILE_PROTOCOL* to an SHELL_FILE_HANDLE.\r | |
1204 | \r | |
1205 | @param[in] Handle The pointer to EFI_FILE_PROTOCOL to convert.\r | |
1206 | @param[in] Path The path to the file for verification.\r | |
1207 | \r | |
ff51746b | 1208 | @return A SHELL_FILE_HANDLE representing the same file.\r |
1209 | @retval NULL There was not enough memory.\r | |
a405b86d | 1210 | **/\r |
1211 | SHELL_FILE_HANDLE\r | |
1212 | EFIAPI\r | |
1213 | ConvertEfiFileProtocolToShellHandle(\r | |
1214 | IN CONST EFI_FILE_PROTOCOL *Handle,\r | |
1215 | IN CONST CHAR16 *Path\r | |
1216 | )\r | |
1217 | {\r | |
1218 | SHELL_COMMAND_FILE_HANDLE *Buffer;\r | |
1219 | BUFFER_LIST *NewNode;\r | |
1220 | \r | |
1221 | if (Path != NULL) {\r | |
1222 | Buffer = AllocateZeroPool(sizeof(SHELL_COMMAND_FILE_HANDLE));\r | |
ff51746b | 1223 | if (Buffer == NULL) {\r |
1224 | return (NULL);\r | |
1225 | }\r | |
1a63ec8f | 1226 | NewNode = AllocateZeroPool(sizeof(BUFFER_LIST));\r |
ff51746b | 1227 | if (NewNode == NULL) {\r |
1228 | return (NULL);\r | |
1229 | }\r | |
a405b86d | 1230 | Buffer->FileHandle = (EFI_FILE_PROTOCOL*)Handle;\r |
1231 | Buffer->Path = StrnCatGrow(&Buffer->Path, NULL, Path, 0);\r | |
ff51746b | 1232 | if (Buffer->Path == NULL) {\r |
1233 | return (NULL);\r | |
1234 | }\r | |
a405b86d | 1235 | NewNode->Buffer = Buffer;\r |
1236 | \r | |
1237 | InsertHeadList(&mFileHandleList.Link, &NewNode->Link);\r | |
1238 | }\r | |
1239 | return ((SHELL_FILE_HANDLE)(Handle));\r | |
1240 | }\r | |
1241 | \r | |
1242 | /**\r | |
1243 | Find the path that was logged with the specified SHELL_FILE_HANDLE.\r | |
1244 | \r | |
1245 | @param[in] Handle The SHELL_FILE_HANDLE to query on.\r | |
1246 | \r | |
1247 | @return A pointer to the path for the file.\r | |
1248 | **/\r | |
1249 | CONST CHAR16*\r | |
1250 | EFIAPI\r | |
1251 | ShellFileHandleGetPath(\r | |
1252 | IN CONST SHELL_FILE_HANDLE Handle\r | |
1253 | )\r | |
1254 | {\r | |
1255 | BUFFER_LIST *Node;\r | |
1256 | \r | |
1257 | for (Node = (BUFFER_LIST*)GetFirstNode(&mFileHandleList.Link)\r | |
1258 | ; !IsNull(&mFileHandleList.Link, &Node->Link)\r | |
1259 | ; Node = (BUFFER_LIST*)GetNextNode(&mFileHandleList.Link, &Node->Link)\r | |
1260 | ){\r | |
1261 | if ((Node->Buffer) && (((SHELL_COMMAND_FILE_HANDLE *)Node->Buffer)->FileHandle == Handle)){\r | |
1262 | return (((SHELL_COMMAND_FILE_HANDLE *)Node->Buffer)->Path);\r | |
1263 | }\r | |
1264 | }\r | |
1265 | return (NULL);\r | |
1266 | }\r | |
1267 | \r | |
1268 | /**\r | |
1a63ec8f | 1269 | Remove a SHELL_FILE_HANDLE from the list of SHELL_FILE_HANDLES.\r |
a405b86d | 1270 | \r |
1271 | @param[in] Handle The SHELL_FILE_HANDLE to remove.\r | |
1272 | \r | |
1273 | @retval TRUE The item was removed.\r | |
1274 | @retval FALSE The item was not found.\r | |
1275 | **/\r | |
1276 | BOOLEAN\r | |
1277 | EFIAPI\r | |
1278 | ShellFileHandleRemove(\r | |
1279 | IN CONST SHELL_FILE_HANDLE Handle\r | |
1280 | )\r | |
1281 | {\r | |
1282 | BUFFER_LIST *Node;\r | |
1283 | \r | |
1284 | for (Node = (BUFFER_LIST*)GetFirstNode(&mFileHandleList.Link)\r | |
1285 | ; !IsNull(&mFileHandleList.Link, &Node->Link)\r | |
1286 | ; Node = (BUFFER_LIST*)GetNextNode(&mFileHandleList.Link, &Node->Link)\r | |
1287 | ){\r | |
1288 | if ((Node->Buffer) && (((SHELL_COMMAND_FILE_HANDLE *)Node->Buffer)->FileHandle == Handle)){\r | |
a405b86d | 1289 | RemoveEntryList(&Node->Link);\r |
ff51746b | 1290 | SHELL_FREE_NON_NULL(((SHELL_COMMAND_FILE_HANDLE *)Node->Buffer)->Path);\r |
1291 | SHELL_FREE_NON_NULL(Node->Buffer);\r | |
1292 | SHELL_FREE_NON_NULL(Node);\r | |
a405b86d | 1293 | return (TRUE);\r |
1294 | }\r | |
1295 | }\r | |
1296 | return (FALSE);\r | |
1297 | }\r | |
1298 | \r | |
1299 | /**\r | |
1300 | Function to determine if a SHELL_FILE_HANDLE is at the end of the file.\r | |
1301 | \r | |
1302 | This will NOT work on directories.\r | |
1303 | \r | |
1304 | If Handle is NULL, then ASSERT.\r | |
1305 | \r | |
1306 | @param[in] Handle the file handle\r | |
1307 | \r | |
1308 | @retval TRUE the position is at the end of the file\r | |
1309 | @retval FALSE the position is not at the end of the file\r | |
1310 | **/\r | |
1311 | BOOLEAN\r | |
1312 | EFIAPI\r | |
1313 | ShellFileHandleEof(\r | |
1314 | IN SHELL_FILE_HANDLE Handle\r | |
1315 | )\r | |
1316 | {\r | |
1317 | EFI_FILE_INFO *Info;\r | |
1318 | UINT64 Pos;\r | |
1319 | BOOLEAN RetVal;\r | |
1320 | \r | |
1321 | //\r | |
1322 | // ASSERT if Handle is NULL\r | |
1323 | //\r | |
1324 | ASSERT(Handle != NULL);\r | |
1325 | \r | |
1326 | gEfiShellProtocol->GetFilePosition(Handle, &Pos);\r | |
1327 | Info = gEfiShellProtocol->GetFileInfo (Handle);\r | |
1328 | ASSERT(Info != NULL);\r | |
1329 | gEfiShellProtocol->SetFilePosition(Handle, Pos);\r | |
1330 | \r | |
1331 | if (Info == NULL) {\r | |
1332 | return (FALSE);\r | |
1333 | }\r | |
1334 | \r | |
1335 | if (Pos == Info->FileSize) {\r | |
1336 | RetVal = TRUE;\r | |
1337 | } else {\r | |
1338 | RetVal = FALSE;\r | |
1339 | }\r | |
1340 | \r | |
1341 | FreePool (Info);\r | |
1342 | \r | |
1343 | return (RetVal);\r | |
1344 | }\r | |
1345 | \r | |
a405b86d | 1346 | /**\r |
1347 | Frees any BUFFER_LIST defined type.\r | |
1a63ec8f | 1348 | \r |
1349 | @param[in] List The BUFFER_LIST object to free.\r | |
a405b86d | 1350 | **/\r |
1351 | VOID\r | |
1352 | EFIAPI\r | |
1353 | FreeBufferList (\r | |
1354 | IN BUFFER_LIST *List\r | |
1355 | )\r | |
1356 | {\r | |
1357 | BUFFER_LIST *BufferListEntry;\r | |
1358 | \r | |
1359 | if (List == NULL){\r | |
1360 | return;\r | |
1361 | }\r | |
1362 | //\r | |
1363 | // enumerate through the buffer list and free all memory\r | |
1364 | //\r | |
1365 | for ( BufferListEntry = ( BUFFER_LIST *)GetFirstNode(&List->Link)\r | |
1366 | ; !IsListEmpty (&List->Link)\r | |
1367 | ; BufferListEntry = (BUFFER_LIST *)GetFirstNode(&List->Link)\r | |
1368 | ){\r | |
1369 | RemoveEntryList(&BufferListEntry->Link);\r | |
1370 | ASSERT(BufferListEntry->Buffer != NULL);\r | |
1371 | if (BufferListEntry->Buffer != NULL) {\r | |
1372 | FreePool(BufferListEntry->Buffer);\r | |
1373 | }\r | |
1374 | FreePool(BufferListEntry);\r | |
1375 | }\r | |
1376 | }\r | |
1377 | \r |