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1 | /** @file\r | |
2 | Implementation of interfaces function for EFI_HII_CONFIG_ROUTING_PROTOCOL.\r | |
3 | \r | |
4 | Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>\r | |
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 | \r | |
16 | #include "HiiDatabase.h"\r | |
17 | extern HII_DATABASE_PRIVATE_DATA mPrivate;\r | |
18 | \r | |
19 | /**\r | |
20 | Calculate the number of Unicode characters of the incoming Configuration string,\r | |
21 | not including NULL terminator.\r | |
22 | \r | |
23 | This is a internal function.\r | |
24 | \r | |
25 | @param String String in <MultiConfigRequest> or\r | |
26 | <MultiConfigResp> format.\r | |
27 | \r | |
28 | @return The number of Unicode characters.\r | |
29 | \r | |
30 | **/\r | |
31 | UINTN\r | |
32 | CalculateConfigStringLen (\r | |
33 | IN EFI_STRING String\r | |
34 | )\r | |
35 | {\r | |
36 | EFI_STRING TmpPtr;\r | |
37 | \r | |
38 | //\r | |
39 | // "GUID=" should be the first element of incoming string.\r | |
40 | //\r | |
41 | ASSERT (String != NULL);\r | |
42 | ASSERT (StrnCmp (String, L"GUID=", StrLen (L"GUID=")) == 0);\r | |
43 | \r | |
44 | //\r | |
45 | // The beginning of next <ConfigRequest>/<ConfigResp> should be "&GUID=".\r | |
46 | // Will meet '\0' if there is only one <ConfigRequest>/<ConfigResp>.\r | |
47 | // \r | |
48 | TmpPtr = StrStr (String, L"&GUID=");\r | |
49 | if (TmpPtr == NULL) {\r | |
50 | return StrLen (String);\r | |
51 | }\r | |
52 | \r | |
53 | return (TmpPtr - String);\r | |
54 | }\r | |
55 | \r | |
56 | \r | |
57 | /**\r | |
58 | Convert the hex UNICODE %02x encoding of a UEFI device path to binary\r | |
59 | from <PathHdr> of <ConfigHdr>.\r | |
60 | \r | |
61 | This is a internal function.\r | |
62 | \r | |
63 | @param String UEFI configuration string\r | |
64 | @param DevicePathData Binary of a UEFI device path.\r | |
65 | \r | |
66 | @retval EFI_NOT_FOUND The device path is not invalid.\r | |
67 | @retval EFI_INVALID_PARAMETER Any incoming parameter is invalid.\r | |
68 | @retval EFI_OUT_OF_RESOURCES Lake of resources to store neccesary structures.\r | |
69 | @retval EFI_SUCCESS The device path is retrieved and translated to\r | |
70 | binary format.\r | |
71 | \r | |
72 | **/\r | |
73 | EFI_STATUS\r | |
74 | GetDevicePath (\r | |
75 | IN EFI_STRING String,\r | |
76 | OUT UINT8 **DevicePathData\r | |
77 | )\r | |
78 | {\r | |
79 | UINTN Length;\r | |
80 | EFI_STRING PathHdr;\r | |
81 | UINT8 *DevicePathBuffer;\r | |
82 | CHAR16 TemStr[2];\r | |
83 | UINTN Index;\r | |
84 | UINT8 DigitUint8;\r | |
85 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
86 | \r | |
87 | \r | |
88 | if (String == NULL || DevicePathData == NULL) {\r | |
89 | return EFI_INVALID_PARAMETER;\r | |
90 | }\r | |
91 | \r | |
92 | //\r | |
93 | // Find the 'PATH=' of <PathHdr> and skip it.\r | |
94 | //\r | |
95 | for (; (*String != 0 && StrnCmp (String, L"PATH=", StrLen (L"PATH=")) != 0); String++);\r | |
96 | if (*String == 0) {\r | |
97 | return EFI_INVALID_PARAMETER;\r | |
98 | }\r | |
99 | //\r | |
100 | // Check whether path data does exist.\r | |
101 | //\r | |
102 | String += StrLen (L"PATH=");\r | |
103 | if (*String == 0) {\r | |
104 | return EFI_INVALID_PARAMETER;\r | |
105 | }\r | |
106 | PathHdr = String;\r | |
107 | \r | |
108 | //\r | |
109 | // The content between 'PATH=' of <ConfigHdr> and '&' of next element\r | |
110 | // or '\0' (end of configuration string) is the UNICODE %02x bytes encoding\r | |
111 | // of UEFI device path.\r | |
112 | //\r | |
113 | for (Length = 0; *String != 0 && *String != L'&'; String++, Length++);\r | |
114 | //\r | |
115 | // Check DevicePath Length\r | |
116 | //\r | |
117 | if (((Length + 1) / 2) < sizeof (EFI_DEVICE_PATH_PROTOCOL)) {\r | |
118 | return EFI_NOT_FOUND;\r | |
119 | }\r | |
120 | \r | |
121 | //\r | |
122 | // The data in <PathHdr> is encoded as hex UNICODE %02x bytes in the same order\r | |
123 | // as the device path resides in RAM memory.\r | |
124 | // Translate the data into binary.\r | |
125 | //\r | |
126 | DevicePathBuffer = (UINT8 *) AllocateZeroPool ((Length + 1) / 2);\r | |
127 | if (DevicePathBuffer == NULL) {\r | |
128 | return EFI_OUT_OF_RESOURCES;\r | |
129 | }\r | |
130 | \r | |
131 | //\r | |
132 | // Convert DevicePath\r | |
133 | //\r | |
134 | ZeroMem (TemStr, sizeof (TemStr));\r | |
135 | for (Index = 0; Index < Length; Index ++) {\r | |
136 | TemStr[0] = PathHdr[Index];\r | |
137 | DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r | |
138 | if ((Index & 1) == 0) {\r | |
139 | DevicePathBuffer [Index/2] = DigitUint8;\r | |
140 | } else {\r | |
141 | DevicePathBuffer [Index/2] = (UINT8) ((DevicePathBuffer [Index/2] << 4) + DigitUint8);\r | |
142 | }\r | |
143 | }\r | |
144 | \r | |
145 | //\r | |
146 | // Validate DevicePath\r | |
147 | //\r | |
148 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) DevicePathBuffer;\r | |
149 | while (!IsDevicePathEnd (DevicePath)) {\r | |
150 | if ((DevicePath->Type == 0) || (DevicePath->SubType == 0) || (DevicePathNodeLength (DevicePath) < sizeof (EFI_DEVICE_PATH_PROTOCOL))) {\r | |
151 | //\r | |
152 | // Invalid device path\r | |
153 | //\r | |
154 | FreePool (DevicePathBuffer);\r | |
155 | return EFI_NOT_FOUND;\r | |
156 | }\r | |
157 | DevicePath = NextDevicePathNode (DevicePath);\r | |
158 | }\r | |
159 | \r | |
160 | //\r | |
161 | // return the device path\r | |
162 | //\r | |
163 | *DevicePathData = DevicePathBuffer;\r | |
164 | return EFI_SUCCESS;\r | |
165 | }\r | |
166 | \r | |
167 | /**\r | |
168 | Converts the unicode character of the string from uppercase to lowercase.\r | |
169 | This is a internal function.\r | |
170 | \r | |
171 | @param ConfigString String to be converted\r | |
172 | \r | |
173 | **/\r | |
174 | VOID\r | |
175 | EFIAPI\r | |
176 | HiiToLower (\r | |
177 | IN EFI_STRING ConfigString\r | |
178 | )\r | |
179 | {\r | |
180 | EFI_STRING String;\r | |
181 | BOOLEAN Lower;\r | |
182 | \r | |
183 | ASSERT (ConfigString != NULL);\r | |
184 | \r | |
185 | //\r | |
186 | // Convert all hex digits in range [A-F] in the configuration header to [a-f]\r | |
187 | //\r | |
188 | for (String = ConfigString, Lower = FALSE; *String != L'\0'; String++) {\r | |
189 | if (*String == L'=') {\r | |
190 | Lower = TRUE;\r | |
191 | } else if (*String == L'&') {\r | |
192 | Lower = FALSE;\r | |
193 | } else if (Lower && *String >= L'A' && *String <= L'F') {\r | |
194 | *String = (CHAR16) (*String - L'A' + L'a');\r | |
195 | }\r | |
196 | }\r | |
197 | \r | |
198 | return;\r | |
199 | }\r | |
200 | \r | |
201 | /**\r | |
202 | Generate a sub string then output it.\r | |
203 | \r | |
204 | This is a internal function.\r | |
205 | \r | |
206 | @param String A constant string which is the prefix of the to be\r | |
207 | generated string, e.g. GUID=\r | |
208 | \r | |
209 | @param BufferLen The length of the Buffer in bytes.\r | |
210 | \r | |
211 | @param Buffer Points to a buffer which will be converted to be the \r | |
212 | content of the generated string.\r | |
213 | \r | |
214 | @param Flag If 1, the buffer contains data for the value of GUID or PATH stored in \r | |
215 | UINT8 *; if 2, the buffer contains unicode string for the value of NAME;\r | |
216 | if 3, the buffer contains other data.\r | |
217 | \r | |
218 | @param SubStr Points to the output string. It's caller's\r | |
219 | responsibility to free this buffer.\r | |
220 | \r | |
221 | \r | |
222 | **/\r | |
223 | VOID\r | |
224 | GenerateSubStr (\r | |
225 | IN CONST EFI_STRING String,\r | |
226 | IN UINTN BufferLen,\r | |
227 | IN VOID *Buffer,\r | |
228 | IN UINT8 Flag,\r | |
229 | OUT EFI_STRING *SubStr\r | |
230 | )\r | |
231 | {\r | |
232 | UINTN Length;\r | |
233 | EFI_STRING Str;\r | |
234 | EFI_STRING StringHeader;\r | |
235 | CHAR16 *TemString;\r | |
236 | CHAR16 *TemName;\r | |
237 | UINT8 *TemBuffer;\r | |
238 | UINTN Index;\r | |
239 | \r | |
240 | ASSERT (String != NULL && SubStr != NULL);\r | |
241 | \r | |
242 | if (Buffer == NULL) {\r | |
243 | *SubStr = AllocateCopyPool (StrSize (String), String);\r | |
244 | ASSERT (*SubStr != NULL);\r | |
245 | return;\r | |
246 | }\r | |
247 | \r | |
248 | //\r | |
249 | // Header + Data + '&' + '\0'\r | |
250 | //\r | |
251 | Length = StrLen (String) + BufferLen * 2 + 1 + 1;\r | |
252 | Str = AllocateZeroPool (Length * sizeof (CHAR16));\r | |
253 | ASSERT (Str != NULL);\r | |
254 | \r | |
255 | StrCpy (Str, String);\r | |
256 | Length = (BufferLen * 2 + 1) * sizeof (CHAR16);\r | |
257 | \r | |
258 | StringHeader = Str + StrLen (String);\r | |
259 | TemString = (CHAR16 *) StringHeader;\r | |
260 | \r | |
261 | switch (Flag) {\r | |
262 | case 1:\r | |
263 | //\r | |
264 | // Convert Buffer to Hex String in reverse order\r | |
265 | //\r | |
266 | TemBuffer = ((UINT8 *) Buffer);\r | |
267 | for (Index = 0; Index < BufferLen; Index ++, TemBuffer ++) {\r | |
268 | TemString += UnicodeValueToString (TemString, PREFIX_ZERO | RADIX_HEX, *TemBuffer, 2);\r | |
269 | }\r | |
270 | break;\r | |
271 | case 2:\r | |
272 | //\r | |
273 | // Check buffer is enough\r | |
274 | //\r | |
275 | TemName = (CHAR16 *) Buffer;\r | |
276 | ASSERT ((BufferLen * 2 + 1) >= (StrLen (TemName) * 4 + 1));\r | |
277 | //\r | |
278 | // Convert Unicode String to Config String, e.g. "ABCD" => "0041004200430044"\r | |
279 | //\r | |
280 | for (; *TemName != L'\0'; TemName++) {\r | |
281 | TemString += UnicodeValueToString (TemString, PREFIX_ZERO | RADIX_HEX, *TemName, 4);\r | |
282 | }\r | |
283 | break;\r | |
284 | case 3:\r | |
285 | //\r | |
286 | // Convert Buffer to Hex String\r | |
287 | //\r | |
288 | TemBuffer = ((UINT8 *) Buffer) + BufferLen - 1;\r | |
289 | for (Index = 0; Index < BufferLen; Index ++, TemBuffer --) {\r | |
290 | TemString += UnicodeValueToString (TemString, PREFIX_ZERO | RADIX_HEX, *TemBuffer, 2);\r | |
291 | }\r | |
292 | break;\r | |
293 | default:\r | |
294 | break;\r | |
295 | }\r | |
296 | \r | |
297 | //\r | |
298 | // Convert the uppercase to lowercase since <HexAf> is defined in lowercase format.\r | |
299 | //\r | |
300 | StrCat (Str, L"&"); \r | |
301 | HiiToLower (Str);\r | |
302 | \r | |
303 | *SubStr = Str;\r | |
304 | }\r | |
305 | \r | |
306 | \r | |
307 | /**\r | |
308 | Retrieve the <ConfigBody> from String then output it.\r | |
309 | \r | |
310 | This is a internal function.\r | |
311 | \r | |
312 | @param String A sub string of a configuration string in\r | |
313 | <MultiConfigAltResp> format.\r | |
314 | @param ConfigBody Points to the output string. It's caller's\r | |
315 | responsibility to free this buffer.\r | |
316 | \r | |
317 | @retval EFI_INVALID_PARAMETER There is no form package in current hii database.\r | |
318 | @retval EFI_OUT_OF_RESOURCES Not enough memory to finish this operation.\r | |
319 | @retval EFI_SUCCESS All existing storage is exported.\r | |
320 | \r | |
321 | **/\r | |
322 | EFI_STATUS\r | |
323 | OutputConfigBody (\r | |
324 | IN EFI_STRING String,\r | |
325 | OUT EFI_STRING *ConfigBody\r | |
326 | )\r | |
327 | {\r | |
328 | EFI_STRING TmpPtr;\r | |
329 | EFI_STRING Result;\r | |
330 | UINTN Length;\r | |
331 | \r | |
332 | if (String == NULL || ConfigBody == NULL) {\r | |
333 | return EFI_INVALID_PARAMETER;\r | |
334 | }\r | |
335 | \r | |
336 | //\r | |
337 | // The setting information should start OFFSET, not ALTCFG.\r | |
338 | //\r | |
339 | if (StrnCmp (String, L"&ALTCFG=", StrLen (L"&ALTCFG=")) == 0) {\r | |
340 | return EFI_INVALID_PARAMETER;\r | |
341 | }\r | |
342 | \r | |
343 | TmpPtr = StrStr (String, L"GUID=");\r | |
344 | if (TmpPtr == NULL) {\r | |
345 | //\r | |
346 | // It is the last <ConfigResp> of the incoming configuration string.\r | |
347 | //\r | |
348 | Result = AllocateCopyPool (StrSize (String), String);\r | |
349 | if (Result == NULL) {\r | |
350 | return EFI_OUT_OF_RESOURCES;\r | |
351 | } else {\r | |
352 | *ConfigBody = Result;\r | |
353 | return EFI_SUCCESS;\r | |
354 | }\r | |
355 | }\r | |
356 | \r | |
357 | Length = TmpPtr - String;\r | |
358 | if (Length == 0) {\r | |
359 | return EFI_NOT_FOUND;\r | |
360 | }\r | |
361 | Result = AllocateCopyPool (Length * sizeof (CHAR16), String);\r | |
362 | if (Result == NULL) {\r | |
363 | return EFI_OUT_OF_RESOURCES;\r | |
364 | }\r | |
365 | \r | |
366 | *(Result + Length - 1) = 0;\r | |
367 | *ConfigBody = Result;\r | |
368 | return EFI_SUCCESS;\r | |
369 | }\r | |
370 | \r | |
371 | /**\r | |
372 | Append a string to a multi-string format.\r | |
373 | \r | |
374 | This is a internal function.\r | |
375 | \r | |
376 | @param MultiString String in <MultiConfigRequest>,\r | |
377 | <MultiConfigAltResp>, or <MultiConfigResp>. On\r | |
378 | input, the buffer length of this string is\r | |
379 | MAX_STRING_LENGTH. On output, the buffer length\r | |
380 | might be updated.\r | |
381 | @param AppendString NULL-terminated Unicode string.\r | |
382 | \r | |
383 | @retval EFI_INVALID_PARAMETER Any incoming parameter is invalid.\r | |
384 | @retval EFI_SUCCESS AppendString is append to the end of MultiString\r | |
385 | \r | |
386 | **/\r | |
387 | EFI_STATUS\r | |
388 | AppendToMultiString (\r | |
389 | IN OUT EFI_STRING *MultiString,\r | |
390 | IN EFI_STRING AppendString\r | |
391 | )\r | |
392 | {\r | |
393 | UINTN AppendStringSize;\r | |
394 | UINTN MultiStringSize;\r | |
395 | \r | |
396 | if (MultiString == NULL || *MultiString == NULL || AppendString == NULL) {\r | |
397 | return EFI_INVALID_PARAMETER;\r | |
398 | }\r | |
399 | \r | |
400 | AppendStringSize = StrSize (AppendString);\r | |
401 | MultiStringSize = StrSize (*MultiString);\r | |
402 | \r | |
403 | //\r | |
404 | // Enlarge the buffer each time when length exceeds MAX_STRING_LENGTH.\r | |
405 | //\r | |
406 | if (MultiStringSize + AppendStringSize > MAX_STRING_LENGTH ||\r | |
407 | MultiStringSize > MAX_STRING_LENGTH) {\r | |
408 | *MultiString = (EFI_STRING) ReallocatePool (\r | |
409 | MultiStringSize,\r | |
410 | MultiStringSize + AppendStringSize,\r | |
411 | (VOID *) (*MultiString)\r | |
412 | );\r | |
413 | ASSERT (*MultiString != NULL);\r | |
414 | }\r | |
415 | //\r | |
416 | // Append the incoming string\r | |
417 | //\r | |
418 | StrCat (*MultiString, AppendString);\r | |
419 | \r | |
420 | return EFI_SUCCESS;\r | |
421 | }\r | |
422 | \r | |
423 | \r | |
424 | /**\r | |
425 | Get the value of <Number> in <BlockConfig> format, i.e. the value of OFFSET\r | |
426 | or WIDTH or VALUE.\r | |
427 | <BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE'=<Number>\r | |
428 | \r | |
429 | This is a internal function.\r | |
430 | \r | |
431 | @param StringPtr String in <BlockConfig> format and points to the\r | |
432 | first character of <Number>.\r | |
433 | @param Number The output value. Caller takes the responsibility\r | |
434 | to free memory.\r | |
435 | @param Len Length of the <Number>, in characters.\r | |
436 | \r | |
437 | @retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary\r | |
438 | structures.\r | |
439 | @retval EFI_SUCCESS Value of <Number> is outputted in Number\r | |
440 | successfully.\r | |
441 | \r | |
442 | **/\r | |
443 | EFI_STATUS\r | |
444 | GetValueOfNumber (\r | |
445 | IN EFI_STRING StringPtr,\r | |
446 | OUT UINT8 **Number,\r | |
447 | OUT UINTN *Len\r | |
448 | )\r | |
449 | {\r | |
450 | EFI_STRING TmpPtr;\r | |
451 | UINTN Length;\r | |
452 | EFI_STRING Str;\r | |
453 | UINT8 *Buf;\r | |
454 | EFI_STATUS Status;\r | |
455 | UINT8 DigitUint8;\r | |
456 | UINTN Index;\r | |
457 | CHAR16 TemStr[2];\r | |
458 | \r | |
459 | if (StringPtr == NULL || *StringPtr == L'\0' || Number == NULL || Len == NULL) {\r | |
460 | return EFI_INVALID_PARAMETER;\r | |
461 | }\r | |
462 | \r | |
463 | Buf = NULL;\r | |
464 | \r | |
465 | TmpPtr = StringPtr;\r | |
466 | while (*StringPtr != L'\0' && *StringPtr != L'&') {\r | |
467 | StringPtr++;\r | |
468 | }\r | |
469 | *Len = StringPtr - TmpPtr;\r | |
470 | Length = *Len + 1;\r | |
471 | \r | |
472 | Str = (EFI_STRING) AllocateZeroPool (Length * sizeof (CHAR16));\r | |
473 | if (Str == NULL) {\r | |
474 | Status = EFI_OUT_OF_RESOURCES;\r | |
475 | goto Exit;\r | |
476 | }\r | |
477 | CopyMem (Str, TmpPtr, *Len * sizeof (CHAR16));\r | |
478 | *(Str + *Len) = L'\0';\r | |
479 | \r | |
480 | Length = (Length + 1) / 2;\r | |
481 | Buf = (UINT8 *) AllocateZeroPool (Length);\r | |
482 | if (Buf == NULL) {\r | |
483 | Status = EFI_OUT_OF_RESOURCES;\r | |
484 | goto Exit;\r | |
485 | }\r | |
486 | \r | |
487 | Length = *Len;\r | |
488 | ZeroMem (TemStr, sizeof (TemStr));\r | |
489 | for (Index = 0; Index < Length; Index ++) {\r | |
490 | TemStr[0] = Str[Length - Index - 1];\r | |
491 | DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r | |
492 | if ((Index & 1) == 0) {\r | |
493 | Buf [Index/2] = DigitUint8;\r | |
494 | } else {\r | |
495 | Buf [Index/2] = (UINT8) ((DigitUint8 << 4) + Buf [Index/2]);\r | |
496 | }\r | |
497 | }\r | |
498 | \r | |
499 | *Number = Buf;\r | |
500 | Status = EFI_SUCCESS;\r | |
501 | \r | |
502 | Exit:\r | |
503 | if (Str != NULL) {\r | |
504 | FreePool (Str);\r | |
505 | }\r | |
506 | \r | |
507 | return Status;\r | |
508 | }\r | |
509 | \r | |
510 | /**\r | |
511 | This function merges DefaultAltCfgResp string into AltCfgResp string for\r | |
512 | the missing AltCfgId in AltCfgResq.\r | |
513 | \r | |
514 | @param AltCfgResp Pointer to a null-terminated Unicode string in\r | |
515 | <ConfigAltResp> format. The default value string \r | |
516 | will be merged into it. \r | |
517 | @param DefaultAltCfgResp Pointer to a null-terminated Unicode string in\r | |
518 | <MultiConfigAltResp> format. The default value \r | |
519 | string may contain more than one ConfigAltResp\r | |
520 | string for the different varstore buffer.\r | |
521 | \r | |
522 | @retval EFI_SUCCESS The merged string returns.\r | |
523 | @retval EFI_INVALID_PARAMETER *AltCfgResp is to NULL.\r | |
524 | **/\r | |
525 | EFI_STATUS\r | |
526 | EFIAPI\r | |
527 | MergeDefaultString (\r | |
528 | IN OUT EFI_STRING *AltCfgResp,\r | |
529 | IN EFI_STRING DefaultAltCfgResp\r | |
530 | )\r | |
531 | {\r | |
532 | EFI_STRING StringPtrDefault;\r | |
533 | EFI_STRING StringPtrEnd;\r | |
534 | CHAR16 TempChar;\r | |
535 | EFI_STRING StringPtr;\r | |
536 | EFI_STRING AltConfigHdr;\r | |
537 | UINTN HeaderLength;\r | |
538 | UINTN SizeAltCfgResp;\r | |
539 | \r | |
540 | if (*AltCfgResp == NULL) {\r | |
541 | return EFI_INVALID_PARAMETER;\r | |
542 | }\r | |
543 | \r | |
544 | //\r | |
545 | // Get the requestr ConfigHdr\r | |
546 | //\r | |
547 | SizeAltCfgResp = 0;\r | |
548 | StringPtr = *AltCfgResp;\r | |
549 | \r | |
550 | //\r | |
551 | // Find <ConfigHdr> GUID=...&NAME=...&PATH=...\r | |
552 | //\r | |
553 | if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) {\r | |
554 | return EFI_INVALID_PARAMETER;\r | |
555 | }\r | |
556 | while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&NAME=", StrLen (L"&NAME=")) != 0) {\r | |
557 | StringPtr++;\r | |
558 | }\r | |
559 | while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&PATH=", StrLen (L"&PATH=")) != 0) {\r | |
560 | StringPtr++;\r | |
561 | }\r | |
562 | if (*StringPtr == L'\0') {\r | |
563 | return EFI_INVALID_PARAMETER;\r | |
564 | }\r | |
565 | StringPtr += StrLen (L"&PATH=");\r | |
566 | while (*StringPtr != L'\0' && *StringPtr != L'&') {\r | |
567 | StringPtr ++;\r | |
568 | }\r | |
569 | HeaderLength = StringPtr - *AltCfgResp;\r | |
570 | \r | |
571 | //\r | |
572 | // Construct AltConfigHdr string "&<ConfigHdr>&ALTCFG=XXXX\0"\r | |
573 | // |1| StrLen (ConfigHdr) | 8 | 4 | 1 |\r | |
574 | //\r | |
575 | AltConfigHdr = AllocateZeroPool ((1 + HeaderLength + 8 + 4 + 1) * sizeof (CHAR16));\r | |
576 | if (AltConfigHdr == NULL) {\r | |
577 | return EFI_OUT_OF_RESOURCES;\r | |
578 | }\r | |
579 | StrCpy (AltConfigHdr, L"&");\r | |
580 | StrnCat (AltConfigHdr, *AltCfgResp, HeaderLength);\r | |
581 | StrCat (AltConfigHdr, L"&ALTCFG=");\r | |
582 | HeaderLength = StrLen (AltConfigHdr);\r | |
583 | \r | |
584 | StringPtrDefault = StrStr (DefaultAltCfgResp, AltConfigHdr);\r | |
585 | while (StringPtrDefault != NULL) {\r | |
586 | //\r | |
587 | // Get AltCfg Name\r | |
588 | //\r | |
589 | StrnCat (AltConfigHdr, StringPtrDefault + HeaderLength, 4);\r | |
590 | StringPtr = StrStr (*AltCfgResp, AltConfigHdr); \r | |
591 | \r | |
592 | //\r | |
593 | // Append the found default value string to the input AltCfgResp\r | |
594 | // \r | |
595 | if (StringPtr == NULL) {\r | |
596 | StringPtrEnd = StrStr (StringPtrDefault + 1, L"&GUID");\r | |
597 | SizeAltCfgResp = StrSize (*AltCfgResp);\r | |
598 | if (StringPtrEnd == NULL) {\r | |
599 | //\r | |
600 | // No more default string is found.\r | |
601 | //\r | |
602 | *AltCfgResp = (EFI_STRING) ReallocatePool (\r | |
603 | SizeAltCfgResp,\r | |
604 | SizeAltCfgResp + StrSize (StringPtrDefault),\r | |
605 | (VOID *) (*AltCfgResp)\r | |
606 | );\r | |
607 | if (*AltCfgResp == NULL) {\r | |
608 | FreePool (AltConfigHdr);\r | |
609 | return EFI_OUT_OF_RESOURCES;\r | |
610 | }\r | |
611 | StrCat (*AltCfgResp, StringPtrDefault);\r | |
612 | break;\r | |
613 | } else {\r | |
614 | TempChar = *StringPtrEnd;\r | |
615 | *StringPtrEnd = L'\0';\r | |
616 | *AltCfgResp = (EFI_STRING) ReallocatePool (\r | |
617 | SizeAltCfgResp,\r | |
618 | SizeAltCfgResp + StrSize (StringPtrDefault),\r | |
619 | (VOID *) (*AltCfgResp)\r | |
620 | );\r | |
621 | if (*AltCfgResp == NULL) {\r | |
622 | FreePool (AltConfigHdr);\r | |
623 | return EFI_OUT_OF_RESOURCES;\r | |
624 | }\r | |
625 | StrCat (*AltCfgResp, StringPtrDefault);\r | |
626 | *StringPtrEnd = TempChar;\r | |
627 | }\r | |
628 | }\r | |
629 | \r | |
630 | //\r | |
631 | // Find next AltCfg String\r | |
632 | //\r | |
633 | *(AltConfigHdr + HeaderLength) = L'\0';\r | |
634 | StringPtrDefault = StrStr (StringPtrDefault + 1, AltConfigHdr);\r | |
635 | }\r | |
636 | \r | |
637 | FreePool (AltConfigHdr);\r | |
638 | return EFI_SUCCESS; \r | |
639 | }\r | |
640 | \r | |
641 | /**\r | |
642 | This function inserts new DefaultValueData into the BlockData DefaultValue array.\r | |
643 | \r | |
644 | @param BlockData The BlockData is updated to add new default value.\r | |
645 | @param DefaultValueData The DefaultValue is added.\r | |
646 | \r | |
647 | **/\r | |
648 | VOID\r | |
649 | InsertDefaultValue (\r | |
650 | IN IFR_BLOCK_DATA *BlockData,\r | |
651 | IN IFR_DEFAULT_DATA *DefaultValueData\r | |
652 | )\r | |
653 | {\r | |
654 | LIST_ENTRY *Link;\r | |
655 | IFR_DEFAULT_DATA *DefaultValueArray; \r | |
656 | LIST_ENTRY *DefaultLink;\r | |
657 | \r | |
658 | DefaultLink = &BlockData->DefaultValueEntry;\r | |
659 | \r | |
660 | for (Link = DefaultLink->ForwardLink; Link != DefaultLink; Link = Link->ForwardLink) {\r | |
661 | DefaultValueArray = BASE_CR (Link, IFR_DEFAULT_DATA, Entry);\r | |
662 | if (DefaultValueArray->DefaultId == DefaultValueData->DefaultId) {\r | |
663 | //\r | |
664 | // DEFAULT_VALUE_FROM_OPCODE has high priority, DEFAULT_VALUE_FROM_DEFAULT has low priority.\r | |
665 | //\r | |
666 | if (DefaultValueData->Type > DefaultValueArray->Type) {\r | |
667 | //\r | |
668 | // Update the default value array in BlockData.\r | |
669 | //\r | |
670 | CopyMem (&DefaultValueArray->Value, &DefaultValueData->Value, sizeof (EFI_IFR_TYPE_VALUE));\r | |
671 | DefaultValueArray->Type = DefaultValueData->Type;\r | |
672 | DefaultValueArray->Cleaned = DefaultValueData->Cleaned;\r | |
673 | }\r | |
674 | return;\r | |
675 | } \r | |
676 | }\r | |
677 | \r | |
678 | //\r | |
679 | // Insert new default value data in tail.\r | |
680 | //\r | |
681 | DefaultValueArray = AllocateZeroPool (sizeof (IFR_DEFAULT_DATA));\r | |
682 | ASSERT (DefaultValueArray != NULL);\r | |
683 | CopyMem (DefaultValueArray, DefaultValueData, sizeof (IFR_DEFAULT_DATA));\r | |
684 | InsertTailList (Link, &DefaultValueArray->Entry);\r | |
685 | }\r | |
686 | \r | |
687 | /**\r | |
688 | This function inserts new BlockData into the block link\r | |
689 | \r | |
690 | @param BlockLink The list entry points to block array.\r | |
691 | @param BlockData The point to BlockData is added.\r | |
692 | \r | |
693 | **/\r | |
694 | VOID\r | |
695 | InsertBlockData (\r | |
696 | IN LIST_ENTRY *BlockLink,\r | |
697 | IN IFR_BLOCK_DATA **BlockData\r | |
698 | )\r | |
699 | {\r | |
700 | LIST_ENTRY *Link;\r | |
701 | IFR_BLOCK_DATA *BlockArray;\r | |
702 | IFR_BLOCK_DATA *BlockSingleData;\r | |
703 | \r | |
704 | BlockSingleData = *BlockData;\r | |
705 | \r | |
706 | if (BlockSingleData->Name != NULL) {\r | |
707 | InsertTailList (BlockLink, &BlockSingleData->Entry);\r | |
708 | return;\r | |
709 | }\r | |
710 | \r | |
711 | //\r | |
712 | // Insert block data in its Offset and Width order.\r | |
713 | //\r | |
714 | for (Link = BlockLink->ForwardLink; Link != BlockLink; Link = Link->ForwardLink) {\r | |
715 | BlockArray = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r | |
716 | if (BlockArray->Offset == BlockSingleData->Offset) {\r | |
717 | if (BlockArray->Width > BlockSingleData->Width) {\r | |
718 | //\r | |
719 | // Insert this block data in the front of block array\r | |
720 | //\r | |
721 | InsertTailList (Link, &BlockSingleData->Entry);\r | |
722 | return;\r | |
723 | }\r | |
724 | \r | |
725 | if (BlockArray->Width == BlockSingleData->Width) {\r | |
726 | //\r | |
727 | // The same block array has been added.\r | |
728 | //\r | |
729 | if (BlockSingleData != BlockArray) {\r | |
730 | FreePool (BlockSingleData);\r | |
731 | *BlockData = BlockArray;\r | |
732 | }\r | |
733 | return;\r | |
734 | }\r | |
735 | } else if (BlockArray->Offset > BlockSingleData->Offset) {\r | |
736 | //\r | |
737 | // Insert new block data in the front of block array \r | |
738 | //\r | |
739 | InsertTailList (Link, &BlockSingleData->Entry);\r | |
740 | return;\r | |
741 | }\r | |
742 | }\r | |
743 | \r | |
744 | //\r | |
745 | // Add new block data into the tail.\r | |
746 | //\r | |
747 | InsertTailList (Link, &BlockSingleData->Entry); \r | |
748 | }\r | |
749 | \r | |
750 | /**\r | |
751 | Retrieves a pointer to the a Null-terminated ASCII string containing the list \r | |
752 | of languages that an HII handle in the HII Database supports. The returned \r | |
753 | string is allocated using AllocatePool(). The caller is responsible for freeing\r | |
754 | the returned string using FreePool(). The format of the returned string follows\r | |
755 | the language format assumed the HII Database.\r | |
756 | \r | |
757 | If HiiHandle is NULL, then ASSERT().\r | |
758 | \r | |
759 | @param[in] HiiHandle A handle that was previously registered in the HII Database.\r | |
760 | \r | |
761 | @retval NULL HiiHandle is not registered in the HII database\r | |
762 | @retval NULL There are not enough resources available to retrieve the suported \r | |
763 | languages.\r | |
764 | @retval NULL The list of suported languages could not be retrieved.\r | |
765 | @retval Other A pointer to the Null-terminated ASCII string of supported languages.\r | |
766 | \r | |
767 | **/\r | |
768 | CHAR8 *\r | |
769 | GetSupportedLanguages (\r | |
770 | IN EFI_HII_HANDLE HiiHandle\r | |
771 | )\r | |
772 | {\r | |
773 | EFI_STATUS Status;\r | |
774 | UINTN LanguageSize;\r | |
775 | CHAR8 TempSupportedLanguages;\r | |
776 | CHAR8 *SupportedLanguages;\r | |
777 | \r | |
778 | ASSERT (HiiHandle != NULL);\r | |
779 | \r | |
780 | //\r | |
781 | // Retrieve the size required for the supported languages buffer.\r | |
782 | //\r | |
783 | LanguageSize = 0;\r | |
784 | Status = mPrivate.HiiString.GetLanguages (&mPrivate.HiiString, HiiHandle, &TempSupportedLanguages, &LanguageSize);\r | |
785 | \r | |
786 | //\r | |
787 | // If GetLanguages() returns EFI_SUCCESS for a zero size, \r | |
788 | // then there are no supported languages registered for HiiHandle. If GetLanguages() \r | |
789 | // returns an error other than EFI_BUFFER_TOO_SMALL, then HiiHandle is not present\r | |
790 | // in the HII Database\r | |
791 | //\r | |
792 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
793 | //\r | |
794 | // Return NULL if the size can not be retrieved, or if HiiHandle is not in the HII Database\r | |
795 | //\r | |
796 | return NULL;\r | |
797 | }\r | |
798 | \r | |
799 | //\r | |
800 | // Allocate the supported languages buffer.\r | |
801 | //\r | |
802 | SupportedLanguages = AllocateZeroPool (LanguageSize);\r | |
803 | if (SupportedLanguages == NULL) {\r | |
804 | //\r | |
805 | // Return NULL if allocation fails.\r | |
806 | //\r | |
807 | return NULL;\r | |
808 | }\r | |
809 | \r | |
810 | //\r | |
811 | // Retrieve the supported languages string\r | |
812 | //\r | |
813 | Status = mPrivate.HiiString.GetLanguages (&mPrivate.HiiString, HiiHandle, SupportedLanguages, &LanguageSize);\r | |
814 | if (EFI_ERROR (Status)) {\r | |
815 | //\r | |
816 | // Free the buffer and return NULL if the supported languages can not be retrieved.\r | |
817 | //\r | |
818 | FreePool (SupportedLanguages);\r | |
819 | return NULL;\r | |
820 | }\r | |
821 | \r | |
822 | //\r | |
823 | // Return the Null-terminated ASCII string of supported languages\r | |
824 | //\r | |
825 | return SupportedLanguages;\r | |
826 | }\r | |
827 | \r | |
828 | /**\r | |
829 | Retrieves a string from a string package.\r | |
830 | \r | |
831 | If HiiHandle is NULL, then ASSERT().\r | |
832 | If StringId is 0, then ASSET.\r | |
833 | \r | |
834 | @param[in] HiiHandle A handle that was previously registered in the HII Database.\r | |
835 | @param[in] StringId The identifier of the string to retrieved from the string \r | |
836 | package associated with HiiHandle.\r | |
837 | \r | |
838 | @retval NULL The string specified by StringId is not present in the string package.\r | |
839 | @retval Other The string was returned.\r | |
840 | \r | |
841 | **/\r | |
842 | EFI_STRING\r | |
843 | InternalGetString (\r | |
844 | IN EFI_HII_HANDLE HiiHandle,\r | |
845 | IN EFI_STRING_ID StringId\r | |
846 | )\r | |
847 | {\r | |
848 | EFI_STATUS Status;\r | |
849 | UINTN StringSize;\r | |
850 | CHAR16 TempString;\r | |
851 | EFI_STRING String;\r | |
852 | CHAR8 *SupportedLanguages;\r | |
853 | CHAR8 *PlatformLanguage;\r | |
854 | CHAR8 *BestLanguage;\r | |
855 | CHAR8 *Language;\r | |
856 | \r | |
857 | ASSERT (HiiHandle != NULL);\r | |
858 | ASSERT (StringId != 0);\r | |
859 | \r | |
860 | //\r | |
861 | // Initialize all allocated buffers to NULL\r | |
862 | // \r | |
863 | SupportedLanguages = NULL;\r | |
864 | PlatformLanguage = NULL;\r | |
865 | BestLanguage = NULL;\r | |
866 | String = NULL;\r | |
867 | Language = "";\r | |
868 | \r | |
869 | //\r | |
870 | // Get the languages that the package specified by HiiHandle supports\r | |
871 | //\r | |
872 | SupportedLanguages = GetSupportedLanguages (HiiHandle);\r | |
873 | if (SupportedLanguages == NULL) {\r | |
874 | goto Error;\r | |
875 | }\r | |
876 | \r | |
877 | //\r | |
878 | // Get the current platform language setting\r | |
879 | //\r | |
880 | GetEfiGlobalVariable2 (L"PlatformLang", (VOID**)&PlatformLanguage, NULL);\r | |
881 | \r | |
882 | //\r | |
883 | // Get the best matching language from SupportedLanguages\r | |
884 | //\r | |
885 | BestLanguage = GetBestLanguage (\r | |
886 | SupportedLanguages, \r | |
887 | FALSE, // RFC 4646 mode\r | |
888 | Language, // Highest priority \r | |
889 | PlatformLanguage != NULL ? PlatformLanguage : "", // Next highest priority\r | |
890 | SupportedLanguages, // Lowest priority \r | |
891 | NULL\r | |
892 | );\r | |
893 | if (BestLanguage == NULL) {\r | |
894 | goto Error;\r | |
895 | }\r | |
896 | \r | |
897 | //\r | |
898 | // Retrieve the size of the string in the string package for the BestLanguage\r | |
899 | //\r | |
900 | StringSize = 0;\r | |
901 | Status = mPrivate.HiiString.GetString (\r | |
902 | &mPrivate.HiiString,\r | |
903 | BestLanguage,\r | |
904 | HiiHandle,\r | |
905 | StringId,\r | |
906 | &TempString,\r | |
907 | &StringSize,\r | |
908 | NULL\r | |
909 | );\r | |
910 | //\r | |
911 | // If GetString() returns EFI_SUCCESS for a zero size, \r | |
912 | // then there are no supported languages registered for HiiHandle. If GetString() \r | |
913 | // returns an error other than EFI_BUFFER_TOO_SMALL, then HiiHandle is not present\r | |
914 | // in the HII Database\r | |
915 | //\r | |
916 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
917 | goto Error;\r | |
918 | }\r | |
919 | \r | |
920 | //\r | |
921 | // Allocate a buffer for the return string\r | |
922 | //\r | |
923 | String = AllocateZeroPool (StringSize);\r | |
924 | if (String == NULL) {\r | |
925 | goto Error;\r | |
926 | }\r | |
927 | \r | |
928 | //\r | |
929 | // Retrieve the string from the string package\r | |
930 | //\r | |
931 | Status = mPrivate.HiiString.GetString (\r | |
932 | &mPrivate.HiiString,\r | |
933 | BestLanguage,\r | |
934 | HiiHandle,\r | |
935 | StringId,\r | |
936 | String,\r | |
937 | &StringSize,\r | |
938 | NULL\r | |
939 | );\r | |
940 | if (EFI_ERROR (Status)) {\r | |
941 | //\r | |
942 | // Free the buffer and return NULL if the supported languages can not be retrieved.\r | |
943 | //\r | |
944 | FreePool (String);\r | |
945 | String = NULL;\r | |
946 | }\r | |
947 | \r | |
948 | Error:\r | |
949 | //\r | |
950 | // Free allocated buffers\r | |
951 | //\r | |
952 | if (SupportedLanguages != NULL) {\r | |
953 | FreePool (SupportedLanguages);\r | |
954 | }\r | |
955 | if (PlatformLanguage != NULL) {\r | |
956 | FreePool (PlatformLanguage);\r | |
957 | }\r | |
958 | if (BestLanguage != NULL) {\r | |
959 | FreePool (BestLanguage);\r | |
960 | }\r | |
961 | \r | |
962 | //\r | |
963 | // Return the Null-terminated Unicode string\r | |
964 | //\r | |
965 | return String;\r | |
966 | }\r | |
967 | \r | |
968 | /**\r | |
969 | This function checks VarOffset and VarWidth is in the block range.\r | |
970 | \r | |
971 | @param RequestBlockArray The block array is to be checked. \r | |
972 | @param VarOffset Offset of var to the structure\r | |
973 | @param VarWidth Width of var.\r | |
974 | @param IsNameValueType Whether this varstore is name/value varstore or not.\r | |
975 | @param HiiHandle Hii handle for this hii package.\r | |
976 | \r | |
977 | @retval TRUE This Var is in the block range.\r | |
978 | @retval FALSE This Var is not in the block range.\r | |
979 | **/\r | |
980 | BOOLEAN\r | |
981 | BlockArrayCheck (\r | |
982 | IN IFR_BLOCK_DATA *RequestBlockArray,\r | |
983 | IN UINT16 VarOffset,\r | |
984 | IN UINT16 VarWidth,\r | |
985 | IN BOOLEAN IsNameValueType,\r | |
986 | IN EFI_HII_HANDLE HiiHandle\r | |
987 | )\r | |
988 | {\r | |
989 | LIST_ENTRY *Link;\r | |
990 | IFR_BLOCK_DATA *BlockData;\r | |
991 | EFI_STRING Name;\r | |
992 | \r | |
993 | //\r | |
994 | // No Request Block array, all vars are got.\r | |
995 | //\r | |
996 | if (RequestBlockArray == NULL) {\r | |
997 | return TRUE;\r | |
998 | }\r | |
999 | \r | |
1000 | //\r | |
1001 | // Check the input var is in the request block range.\r | |
1002 | //\r | |
1003 | for (Link = RequestBlockArray->Entry.ForwardLink; Link != &RequestBlockArray->Entry; Link = Link->ForwardLink) {\r | |
1004 | BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r | |
1005 | \r | |
1006 | if (IsNameValueType) {\r | |
1007 | Name = InternalGetString (HiiHandle, VarOffset);\r | |
1008 | ASSERT (Name != NULL);\r | |
1009 | \r | |
1010 | if (StrnCmp (BlockData->Name, Name, StrLen (Name)) == 0) {\r | |
1011 | FreePool (Name);\r | |
1012 | return TRUE;\r | |
1013 | }\r | |
1014 | FreePool (Name);\r | |
1015 | } else {\r | |
1016 | if ((VarOffset >= BlockData->Offset) && ((VarOffset + VarWidth) <= (BlockData->Offset + BlockData->Width))) {\r | |
1017 | return TRUE;\r | |
1018 | }\r | |
1019 | }\r | |
1020 | }\r | |
1021 | \r | |
1022 | return FALSE;\r | |
1023 | }\r | |
1024 | \r | |
1025 | /**\r | |
1026 | Get form package data from data base.\r | |
1027 | \r | |
1028 | @param DataBaseRecord The DataBaseRecord instance contains the found Hii handle and package.\r | |
1029 | @param HiiFormPackage The buffer saves the package data.\r | |
1030 | @param PackageSize The buffer size of the package data.\r | |
1031 | \r | |
1032 | **/\r | |
1033 | EFI_STATUS\r | |
1034 | GetFormPackageData (\r | |
1035 | IN HII_DATABASE_RECORD *DataBaseRecord,\r | |
1036 | IN OUT UINT8 **HiiFormPackage,\r | |
1037 | OUT UINTN *PackageSize\r | |
1038 | )\r | |
1039 | {\r | |
1040 | EFI_STATUS Status;\r | |
1041 | UINTN Size;\r | |
1042 | UINTN ResultSize;\r | |
1043 | \r | |
1044 | if (DataBaseRecord == NULL || HiiFormPackage == NULL || PackageSize == NULL) {\r | |
1045 | return EFI_INVALID_PARAMETER;\r | |
1046 | }\r | |
1047 | \r | |
1048 | Size = 0;\r | |
1049 | ResultSize = 0;\r | |
1050 | //\r | |
1051 | // 0. Get Hii Form Package by HiiHandle\r | |
1052 | //\r | |
1053 | Status = ExportFormPackages (\r | |
1054 | &mPrivate, \r | |
1055 | DataBaseRecord->Handle, \r | |
1056 | DataBaseRecord->PackageList, \r | |
1057 | 0, \r | |
1058 | Size, \r | |
1059 | HiiFormPackage,\r | |
1060 | &ResultSize\r | |
1061 | );\r | |
1062 | if (EFI_ERROR (Status)) {\r | |
1063 | return Status;\r | |
1064 | }\r | |
1065 | \r | |
1066 | (*HiiFormPackage) = AllocatePool (ResultSize);\r | |
1067 | if (*HiiFormPackage == NULL) {\r | |
1068 | Status = EFI_OUT_OF_RESOURCES;\r | |
1069 | return Status;\r | |
1070 | }\r | |
1071 | \r | |
1072 | //\r | |
1073 | // Get HiiFormPackage by HiiHandle\r | |
1074 | //\r | |
1075 | Size = ResultSize;\r | |
1076 | ResultSize = 0;\r | |
1077 | Status = ExportFormPackages (\r | |
1078 | &mPrivate, \r | |
1079 | DataBaseRecord->Handle, \r | |
1080 | DataBaseRecord->PackageList, \r | |
1081 | 0,\r | |
1082 | Size, \r | |
1083 | *HiiFormPackage,\r | |
1084 | &ResultSize\r | |
1085 | );\r | |
1086 | if (EFI_ERROR (Status)) {\r | |
1087 | FreePool (*HiiFormPackage);\r | |
1088 | }\r | |
1089 | \r | |
1090 | *PackageSize = Size;\r | |
1091 | \r | |
1092 | return Status;\r | |
1093 | }\r | |
1094 | \r | |
1095 | \r | |
1096 | /**\r | |
1097 | This function parses Form Package to get the efi varstore info according to the request ConfigHdr.\r | |
1098 | \r | |
1099 | @param DataBaseRecord The DataBaseRecord instance contains the found Hii handle and package.\r | |
1100 | @param ConfigHdr Request string ConfigHdr. If it is NULL,\r | |
1101 | the first found varstore will be as ConfigHdr.\r | |
1102 | @param IsEfiVarstore Whether the request storage type is efi varstore type.\r | |
1103 | @param EfiVarStore The efi varstore info which will return.\r | |
1104 | **/ \r | |
1105 | EFI_STATUS\r | |
1106 | GetVarStoreType (\r | |
1107 | IN HII_DATABASE_RECORD *DataBaseRecord,\r | |
1108 | IN EFI_STRING ConfigHdr,\r | |
1109 | OUT BOOLEAN *IsEfiVarstore,\r | |
1110 | OUT EFI_IFR_VARSTORE_EFI **EfiVarStore\r | |
1111 | )\r | |
1112 | {\r | |
1113 | EFI_STATUS Status;\r | |
1114 | UINTN IfrOffset;\r | |
1115 | UINTN PackageOffset;\r | |
1116 | EFI_IFR_OP_HEADER *IfrOpHdr;\r | |
1117 | CHAR16 *VarStoreName;\r | |
1118 | EFI_STRING GuidStr;\r | |
1119 | EFI_STRING NameStr;\r | |
1120 | EFI_STRING TempStr;\r | |
1121 | UINTN LengthString; \r | |
1122 | UINT8 *HiiFormPackage;\r | |
1123 | UINTN PackageSize;\r | |
1124 | EFI_IFR_VARSTORE_EFI *IfrEfiVarStore;\r | |
1125 | EFI_HII_PACKAGE_HEADER *PackageHeader;\r | |
1126 | \r | |
1127 | HiiFormPackage = NULL;\r | |
1128 | LengthString = 0;\r | |
1129 | Status = EFI_SUCCESS;\r | |
1130 | GuidStr = NULL;\r | |
1131 | NameStr = NULL;\r | |
1132 | TempStr = NULL;\r | |
1133 | *IsEfiVarstore = FALSE;\r | |
1134 | \r | |
1135 | Status = GetFormPackageData(DataBaseRecord, &HiiFormPackage, &PackageSize);\r | |
1136 | if (EFI_ERROR (Status)) {\r | |
1137 | return Status;\r | |
1138 | }\r | |
1139 | \r | |
1140 | IfrOffset = sizeof (EFI_HII_PACKAGE_HEADER);\r | |
1141 | PackageOffset = IfrOffset;\r | |
1142 | PackageHeader = (EFI_HII_PACKAGE_HEADER *) HiiFormPackage;\r | |
1143 | \r | |
1144 | while (IfrOffset < PackageSize) {\r | |
1145 | //\r | |
1146 | // More than one form packages exist.\r | |
1147 | //\r | |
1148 | if (PackageOffset >= PackageHeader->Length) {\r | |
1149 | //\r | |
1150 | // Process the new form package.\r | |
1151 | //\r | |
1152 | PackageOffset = sizeof (EFI_HII_PACKAGE_HEADER);\r | |
1153 | IfrOffset += PackageOffset;\r | |
1154 | PackageHeader = (EFI_HII_PACKAGE_HEADER *) (HiiFormPackage + IfrOffset);\r | |
1155 | }\r | |
1156 | \r | |
1157 | IfrOpHdr = (EFI_IFR_OP_HEADER *) (HiiFormPackage + IfrOffset);\r | |
1158 | IfrOffset += IfrOpHdr->Length;\r | |
1159 | PackageOffset += IfrOpHdr->Length;\r | |
1160 | \r | |
1161 | if (IfrOpHdr->OpCode == EFI_IFR_VARSTORE_EFI_OP ) {\r | |
1162 | IfrEfiVarStore = (EFI_IFR_VARSTORE_EFI *) IfrOpHdr;\r | |
1163 | //\r | |
1164 | // If the length is small than the structure, this is from old efi \r | |
1165 | // varstore definition. Old efi varstore get config directly from \r | |
1166 | // GetVariable function.\r | |
1167 | //\r | |
1168 | if (IfrOpHdr->Length < sizeof (EFI_IFR_VARSTORE_EFI)) {\r | |
1169 | continue;\r | |
1170 | }\r | |
1171 | \r | |
1172 | VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)IfrEfiVarStore->Name) * sizeof (CHAR16));\r | |
1173 | if (VarStoreName == NULL) {\r | |
1174 | Status = EFI_OUT_OF_RESOURCES;\r | |
1175 | goto Done;\r | |
1176 | }\r | |
1177 | AsciiStrToUnicodeStr ((CHAR8 *) IfrEfiVarStore->Name, VarStoreName);\r | |
1178 | \r | |
1179 | GenerateSubStr (L"GUID=", sizeof (EFI_GUID), (VOID *) &IfrEfiVarStore->Guid, 1, &GuidStr);\r | |
1180 | GenerateSubStr (L"NAME=", StrLen (VarStoreName) * sizeof (CHAR16), (VOID *) VarStoreName, 2, &NameStr);\r | |
1181 | LengthString = StrLen (GuidStr);\r | |
1182 | LengthString = LengthString + StrLen (NameStr) + 1;\r | |
1183 | TempStr = AllocateZeroPool (LengthString * sizeof (CHAR16));\r | |
1184 | if (TempStr == NULL) {\r | |
1185 | FreePool (GuidStr);\r | |
1186 | FreePool (NameStr);\r | |
1187 | FreePool (VarStoreName);\r | |
1188 | Status = EFI_OUT_OF_RESOURCES;\r | |
1189 | goto Done;\r | |
1190 | }\r | |
1191 | StrCpy (TempStr, GuidStr);\r | |
1192 | StrCat (TempStr, NameStr);\r | |
1193 | if (ConfigHdr == NULL || StrnCmp (ConfigHdr, TempStr, StrLen (TempStr)) == 0) {\r | |
1194 | *EfiVarStore = (EFI_IFR_VARSTORE_EFI *) AllocateZeroPool (IfrOpHdr->Length);\r | |
1195 | if (*EfiVarStore == NULL) {\r | |
1196 | FreePool (VarStoreName);\r | |
1197 | FreePool (GuidStr);\r | |
1198 | FreePool (NameStr);\r | |
1199 | FreePool (TempStr);\r | |
1200 | Status = EFI_OUT_OF_RESOURCES;\r | |
1201 | goto Done;\r | |
1202 | }\r | |
1203 | *IsEfiVarstore = TRUE;\r | |
1204 | CopyMem (*EfiVarStore, IfrEfiVarStore, IfrOpHdr->Length);\r | |
1205 | } \r | |
1206 | \r | |
1207 | //\r | |
1208 | // Free alllocated temp string.\r | |
1209 | //\r | |
1210 | FreePool (VarStoreName);\r | |
1211 | FreePool (GuidStr);\r | |
1212 | FreePool (NameStr);\r | |
1213 | FreePool (TempStr);\r | |
1214 | \r | |
1215 | //\r | |
1216 | // Already found the varstore, break;\r | |
1217 | //\r | |
1218 | if (*IsEfiVarstore) {\r | |
1219 | break;\r | |
1220 | }\r | |
1221 | }\r | |
1222 | }\r | |
1223 | Done:\r | |
1224 | if (HiiFormPackage != NULL) {\r | |
1225 | FreePool (HiiFormPackage);\r | |
1226 | }\r | |
1227 | \r | |
1228 | return Status;\r | |
1229 | }\r | |
1230 | \r | |
1231 | /**\r | |
1232 | Check whether the ConfigRequest string has the request elements.\r | |
1233 | For EFI_HII_VARSTORE_BUFFER type, the request has "&OFFSET=****&WIDTH=****..." format.\r | |
1234 | For EFI_HII_VARSTORE_NAME_VALUE type, the request has "&NAME1**&NAME2..." format.\r | |
1235 | \r | |
1236 | @param ConfigRequest The input config request string.\r | |
1237 | \r | |
1238 | @retval TRUE The input include config request elements.\r | |
1239 | @retval FALSE The input string not includes.\r | |
1240 | \r | |
1241 | **/\r | |
1242 | BOOLEAN\r | |
1243 | GetElementsFromRequest (\r | |
1244 | IN EFI_STRING ConfigRequest\r | |
1245 | )\r | |
1246 | {\r | |
1247 | EFI_STRING TmpRequest;\r | |
1248 | \r | |
1249 | TmpRequest = StrStr (ConfigRequest, L"PATH=");\r | |
1250 | ASSERT (TmpRequest != NULL);\r | |
1251 | \r | |
1252 | if ((StrStr (TmpRequest, L"&OFFSET=") != NULL) || (StrStr (TmpRequest, L"&") != NULL)) {\r | |
1253 | return TRUE;\r | |
1254 | }\r | |
1255 | \r | |
1256 | return FALSE;\r | |
1257 | }\r | |
1258 | \r | |
1259 | /**\r | |
1260 | Check whether the this varstore is the request varstore.\r | |
1261 | \r | |
1262 | @param VarstoreGuid Varstore guid.\r | |
1263 | @param Name Varstore name.\r | |
1264 | @param ConfigHdr Current configRequest info.\r | |
1265 | \r | |
1266 | @retval TRUE This varstore is the requst one.\r | |
1267 | @retval FALSE This varstore is not the requst one.\r | |
1268 | \r | |
1269 | **/\r | |
1270 | BOOLEAN\r | |
1271 | IsThisVarstore (\r | |
1272 | IN EFI_GUID *VarstoreGuid,\r | |
1273 | IN CHAR16 *Name,\r | |
1274 | IN CHAR16 *ConfigHdr\r | |
1275 | )\r | |
1276 | {\r | |
1277 | EFI_STRING GuidStr;\r | |
1278 | EFI_STRING NameStr;\r | |
1279 | EFI_STRING TempStr;\r | |
1280 | UINTN LengthString;\r | |
1281 | BOOLEAN RetVal;\r | |
1282 | \r | |
1283 | RetVal = FALSE;\r | |
1284 | GuidStr = NULL;\r | |
1285 | TempStr = NULL;\r | |
1286 | \r | |
1287 | //\r | |
1288 | // If ConfigHdr has name field and varstore not has name, return FALSE.\r | |
1289 | //\r | |
1290 | if (Name == NULL && ConfigHdr != NULL && StrStr (ConfigHdr, L"NAME=&") == NULL) {\r | |
1291 | return FALSE;\r | |
1292 | }\r | |
1293 | \r | |
1294 | GenerateSubStr (L"GUID=", sizeof (EFI_GUID), (VOID *)VarstoreGuid, 1, &GuidStr);\r | |
1295 | if (Name != NULL) {\r | |
1296 | GenerateSubStr (L"NAME=", StrLen (Name) * sizeof (CHAR16), (VOID *) Name, 2, &NameStr);\r | |
1297 | } else {\r | |
1298 | GenerateSubStr (L"NAME=", 0, NULL, 2, &NameStr);\r | |
1299 | }\r | |
1300 | LengthString = StrLen (GuidStr);\r | |
1301 | LengthString = LengthString + StrLen (NameStr) + 1;\r | |
1302 | TempStr = AllocateZeroPool (LengthString * sizeof (CHAR16));\r | |
1303 | if (TempStr == NULL) {\r | |
1304 | goto Done;\r | |
1305 | }\r | |
1306 | \r | |
1307 | StrCpy (TempStr, GuidStr);\r | |
1308 | StrCat (TempStr, NameStr);\r | |
1309 | \r | |
1310 | if (ConfigHdr == NULL || StrnCmp (ConfigHdr, TempStr, StrLen (TempStr)) == 0) {\r | |
1311 | RetVal = TRUE;\r | |
1312 | }\r | |
1313 | \r | |
1314 | Done:\r | |
1315 | if (GuidStr != NULL) {\r | |
1316 | FreePool (GuidStr); \r | |
1317 | }\r | |
1318 | \r | |
1319 | if (NameStr != NULL) {\r | |
1320 | FreePool (NameStr);\r | |
1321 | }\r | |
1322 | \r | |
1323 | if (TempStr != NULL) {\r | |
1324 | FreePool (TempStr);\r | |
1325 | }\r | |
1326 | \r | |
1327 | return RetVal;\r | |
1328 | }\r | |
1329 | \r | |
1330 | /**\r | |
1331 | This function parses Form Package to get the efi varstore info according to the request ConfigHdr.\r | |
1332 | \r | |
1333 | @param DataBaseRecord The DataBaseRecord instance contains the found Hii handle and package.\r | |
1334 | @param ConfigHdr Request string ConfigHdr. If it is NULL,\r | |
1335 | the first found varstore will be as ConfigHdr.\r | |
1336 | @retval TRUE This hii package is the reqeust one.\r | |
1337 | @retval FALSE This hii package is not the reqeust one.\r | |
1338 | **/ \r | |
1339 | BOOLEAN\r | |
1340 | IsThisPackageList (\r | |
1341 | IN HII_DATABASE_RECORD *DataBaseRecord,\r | |
1342 | IN EFI_STRING ConfigHdr\r | |
1343 | )\r | |
1344 | {\r | |
1345 | EFI_STATUS Status;\r | |
1346 | UINTN IfrOffset;\r | |
1347 | UINTN PackageOffset;\r | |
1348 | EFI_IFR_OP_HEADER *IfrOpHdr;\r | |
1349 | CHAR16 *VarStoreName;\r | |
1350 | UINT8 *HiiFormPackage;\r | |
1351 | UINTN PackageSize;\r | |
1352 | EFI_IFR_VARSTORE_EFI *IfrEfiVarStore;\r | |
1353 | EFI_HII_PACKAGE_HEADER *PackageHeader;\r | |
1354 | EFI_IFR_VARSTORE *IfrVarStore;\r | |
1355 | EFI_IFR_VARSTORE_NAME_VALUE *IfrNameValueVarStore;\r | |
1356 | BOOLEAN FindVarstore;\r | |
1357 | \r | |
1358 | HiiFormPackage = NULL;\r | |
1359 | VarStoreName = NULL;\r | |
1360 | Status = EFI_SUCCESS;\r | |
1361 | FindVarstore = FALSE;\r | |
1362 | \r | |
1363 | Status = GetFormPackageData(DataBaseRecord, &HiiFormPackage, &PackageSize);\r | |
1364 | if (EFI_ERROR (Status)) {\r | |
1365 | return FALSE;\r | |
1366 | }\r | |
1367 | \r | |
1368 | IfrOffset = sizeof (EFI_HII_PACKAGE_HEADER);\r | |
1369 | PackageOffset = IfrOffset;\r | |
1370 | PackageHeader = (EFI_HII_PACKAGE_HEADER *) HiiFormPackage;\r | |
1371 | \r | |
1372 | while (IfrOffset < PackageSize) {\r | |
1373 | //\r | |
1374 | // More than one form packages exist.\r | |
1375 | //\r | |
1376 | if (PackageOffset >= PackageHeader->Length) {\r | |
1377 | //\r | |
1378 | // Process the new form package.\r | |
1379 | //\r | |
1380 | PackageOffset = sizeof (EFI_HII_PACKAGE_HEADER);\r | |
1381 | IfrOffset += PackageOffset;\r | |
1382 | PackageHeader = (EFI_HII_PACKAGE_HEADER *) (HiiFormPackage + IfrOffset);\r | |
1383 | }\r | |
1384 | \r | |
1385 | IfrOpHdr = (EFI_IFR_OP_HEADER *) (HiiFormPackage + IfrOffset);\r | |
1386 | IfrOffset += IfrOpHdr->Length;\r | |
1387 | PackageOffset += IfrOpHdr->Length;\r | |
1388 | \r | |
1389 | switch (IfrOpHdr->OpCode) {\r | |
1390 | \r | |
1391 | case EFI_IFR_VARSTORE_OP:\r | |
1392 | IfrVarStore = (EFI_IFR_VARSTORE *) IfrOpHdr;\r | |
1393 | \r | |
1394 | VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)IfrVarStore->Name) * sizeof (CHAR16));\r | |
1395 | if (VarStoreName == NULL) {\r | |
1396 | goto Done;\r | |
1397 | }\r | |
1398 | AsciiStrToUnicodeStr ((CHAR8 *)IfrVarStore->Name, VarStoreName);\r | |
1399 | \r | |
1400 | if (IsThisVarstore((VOID *)&IfrVarStore->Guid, VarStoreName, ConfigHdr)) {\r | |
1401 | FindVarstore = TRUE;\r | |
1402 | goto Done;\r | |
1403 | }\r | |
1404 | break;\r | |
1405 | \r | |
1406 | case EFI_IFR_VARSTORE_EFI_OP:\r | |
1407 | IfrEfiVarStore = (EFI_IFR_VARSTORE_EFI *) IfrOpHdr;\r | |
1408 | VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)IfrEfiVarStore->Name) * sizeof (CHAR16));\r | |
1409 | if (VarStoreName == NULL) {\r | |
1410 | goto Done;\r | |
1411 | }\r | |
1412 | AsciiStrToUnicodeStr ((CHAR8 *)IfrEfiVarStore->Name, VarStoreName);\r | |
1413 | \r | |
1414 | if (IsThisVarstore (&IfrEfiVarStore->Guid, VarStoreName, ConfigHdr)) {\r | |
1415 | FindVarstore = TRUE;\r | |
1416 | goto Done;\r | |
1417 | }\r | |
1418 | break;\r | |
1419 | \r | |
1420 | case EFI_IFR_VARSTORE_NAME_VALUE_OP:\r | |
1421 | IfrNameValueVarStore = (EFI_IFR_VARSTORE_NAME_VALUE *) IfrOpHdr;\r | |
1422 | \r | |
1423 | if (IsThisVarstore (&IfrNameValueVarStore->Guid, NULL, ConfigHdr)) {\r | |
1424 | FindVarstore = TRUE;\r | |
1425 | goto Done;\r | |
1426 | }\r | |
1427 | break;\r | |
1428 | \r | |
1429 | case EFI_IFR_FORM_OP:\r | |
1430 | case EFI_IFR_FORM_MAP_OP:\r | |
1431 | //\r | |
1432 | // No matched varstore is found and directly return.\r | |
1433 | //\r | |
1434 | goto Done;\r | |
1435 | \r | |
1436 | default:\r | |
1437 | break;\r | |
1438 | }\r | |
1439 | }\r | |
1440 | Done:\r | |
1441 | if (HiiFormPackage != NULL) {\r | |
1442 | FreePool (HiiFormPackage);\r | |
1443 | }\r | |
1444 | \r | |
1445 | if (VarStoreName != NULL) {\r | |
1446 | FreePool (VarStoreName);\r | |
1447 | }\r | |
1448 | \r | |
1449 | return FindVarstore;\r | |
1450 | }\r | |
1451 | \r | |
1452 | /**\r | |
1453 | Check whether the this op code is required.\r | |
1454 | \r | |
1455 | @param RequestBlockArray The array includes all the request info or NULL.\r | |
1456 | @param HiiHandle The hii handle for this form package.\r | |
1457 | @param VarStorageData The varstore data strucure.\r | |
1458 | @param IfrOpHdr Ifr opcode header for this opcode.\r | |
1459 | @param VarWidth The buffer width for this opcode.\r | |
1460 | @param ReturnData The data block added for this opcode.\r | |
1461 | \r | |
1462 | @retval EFI_SUCCESS This opcode is required.\r | |
1463 | @retval Others This opcode is not required or error occur.\r | |
1464 | \r | |
1465 | **/\r | |
1466 | EFI_STATUS\r | |
1467 | IsThisOpcodeRequired (\r | |
1468 | IN IFR_BLOCK_DATA *RequestBlockArray,\r | |
1469 | IN EFI_HII_HANDLE HiiHandle,\r | |
1470 | IN OUT IFR_VARSTORAGE_DATA *VarStorageData,\r | |
1471 | IN EFI_IFR_OP_HEADER *IfrOpHdr,\r | |
1472 | IN UINT16 VarWidth,\r | |
1473 | OUT IFR_BLOCK_DATA **ReturnData\r | |
1474 | )\r | |
1475 | {\r | |
1476 | IFR_BLOCK_DATA *BlockData;\r | |
1477 | UINT16 VarOffset;\r | |
1478 | EFI_STRING_ID NameId;\r | |
1479 | EFI_IFR_QUESTION_HEADER *IfrQuestionHdr;\r | |
1480 | \r | |
1481 | NameId = 0;\r | |
1482 | VarOffset = 0;\r | |
1483 | IfrQuestionHdr = (EFI_IFR_QUESTION_HEADER *)((CHAR8 *) IfrOpHdr + sizeof (EFI_IFR_OP_HEADER));\r | |
1484 | \r | |
1485 | if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) {\r | |
1486 | NameId = IfrQuestionHdr->VarStoreInfo.VarName;\r | |
1487 | \r | |
1488 | //\r | |
1489 | // Check whether this question is in requested block array.\r | |
1490 | //\r | |
1491 | if (!BlockArrayCheck (RequestBlockArray, NameId, 0, TRUE, HiiHandle)) {\r | |
1492 | //\r | |
1493 | // This question is not in the requested string. Skip it.\r | |
1494 | //\r | |
1495 | return EFI_SUCCESS;\r | |
1496 | }\r | |
1497 | } else {\r | |
1498 | VarOffset = IfrQuestionHdr->VarStoreInfo.VarOffset;\r | |
1499 | \r | |
1500 | //\r | |
1501 | // Check whether this question is in requested block array.\r | |
1502 | //\r | |
1503 | if (!BlockArrayCheck (RequestBlockArray, VarOffset, VarWidth, FALSE, HiiHandle)) {\r | |
1504 | //\r | |
1505 | // This question is not in the requested string. Skip it.\r | |
1506 | //\r | |
1507 | return EFI_SUCCESS;\r | |
1508 | }\r | |
1509 | \r | |
1510 | //\r | |
1511 | // Check this var question is in the var storage \r | |
1512 | //\r | |
1513 | if (((VarOffset + VarWidth) > VarStorageData->Size)) {\r | |
1514 | return EFI_INVALID_PARAMETER;\r | |
1515 | }\r | |
1516 | }\r | |
1517 | \r | |
1518 | BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r | |
1519 | if (BlockData == NULL) {\r | |
1520 | return EFI_OUT_OF_RESOURCES;\r | |
1521 | }\r | |
1522 | \r | |
1523 | if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) {\r | |
1524 | BlockData->Name = InternalGetString(HiiHandle, NameId);\r | |
1525 | } else {\r | |
1526 | BlockData->Offset = VarOffset;\r | |
1527 | }\r | |
1528 | \r | |
1529 | BlockData->Width = VarWidth;\r | |
1530 | BlockData->QuestionId = IfrQuestionHdr->QuestionId;\r | |
1531 | BlockData->OpCode = IfrOpHdr->OpCode;\r | |
1532 | BlockData->Scope = IfrOpHdr->Scope;\r | |
1533 | InitializeListHead (&BlockData->DefaultValueEntry);\r | |
1534 | //\r | |
1535 | // Add Block Data into VarStorageData BlockEntry\r | |
1536 | //\r | |
1537 | InsertBlockData (&VarStorageData->BlockEntry, &BlockData);\r | |
1538 | *ReturnData = BlockData;\r | |
1539 | \r | |
1540 | return EFI_SUCCESS;\r | |
1541 | }\r | |
1542 | \r | |
1543 | /**\r | |
1544 | This function parses Form Package to get the block array and the default\r | |
1545 | value array according to the request ConfigHdr.\r | |
1546 | \r | |
1547 | @param HiiHandle Hii Handle for this hii package.\r | |
1548 | @param Package Pointer to the form package data.\r | |
1549 | @param PackageLength Length of the pacakge.\r | |
1550 | @param ConfigHdr Request string ConfigHdr. If it is NULL,\r | |
1551 | the first found varstore will be as ConfigHdr.\r | |
1552 | @param RequestBlockArray The block array is retrieved from the request string.\r | |
1553 | @param VarStorageData VarStorage structure contains the got block and default value.\r | |
1554 | @param DefaultIdArray Point to the got default id and default name array.\r | |
1555 | \r | |
1556 | @retval EFI_SUCCESS The block array and the default value array are got.\r | |
1557 | @retval EFI_INVALID_PARAMETER The varstore defintion in the differnt form pacakges\r | |
1558 | are conflicted. \r | |
1559 | @retval EFI_OUT_OF_RESOURCES No enough memory.\r | |
1560 | **/\r | |
1561 | EFI_STATUS\r | |
1562 | EFIAPI\r | |
1563 | ParseIfrData (\r | |
1564 | IN EFI_HII_HANDLE HiiHandle,\r | |
1565 | IN UINT8 *Package,\r | |
1566 | IN UINT32 PackageLength,\r | |
1567 | IN EFI_STRING ConfigHdr,\r | |
1568 | IN IFR_BLOCK_DATA *RequestBlockArray,\r | |
1569 | IN OUT IFR_VARSTORAGE_DATA *VarStorageData,\r | |
1570 | OUT IFR_DEFAULT_DATA *DefaultIdArray\r | |
1571 | )\r | |
1572 | {\r | |
1573 | EFI_STATUS Status;\r | |
1574 | UINTN IfrOffset;\r | |
1575 | UINTN PackageOffset;\r | |
1576 | EFI_IFR_VARSTORE *IfrVarStore;\r | |
1577 | EFI_IFR_VARSTORE_EFI *IfrEfiVarStore;\r | |
1578 | EFI_IFR_OP_HEADER *IfrOpHdr;\r | |
1579 | EFI_IFR_ONE_OF *IfrOneOf;\r | |
1580 | EFI_IFR_REF4 *IfrRef;\r | |
1581 | EFI_IFR_ONE_OF_OPTION *IfrOneOfOption;\r | |
1582 | EFI_IFR_DEFAULT *IfrDefault;\r | |
1583 | EFI_IFR_ORDERED_LIST *IfrOrderedList;\r | |
1584 | EFI_IFR_CHECKBOX *IfrCheckBox;\r | |
1585 | EFI_IFR_PASSWORD *IfrPassword;\r | |
1586 | EFI_IFR_STRING *IfrString;\r | |
1587 | EFI_IFR_DATE *IfrDate;\r | |
1588 | EFI_IFR_TIME *IfrTime;\r | |
1589 | IFR_DEFAULT_DATA DefaultData;\r | |
1590 | IFR_DEFAULT_DATA *DefaultDataPtr;\r | |
1591 | IFR_BLOCK_DATA *BlockData;\r | |
1592 | CHAR16 *VarStoreName;\r | |
1593 | UINT16 VarWidth;\r | |
1594 | UINT16 VarDefaultId;\r | |
1595 | BOOLEAN FirstOneOfOption;\r | |
1596 | LIST_ENTRY *LinkData;\r | |
1597 | LIST_ENTRY *LinkDefault;\r | |
1598 | EFI_IFR_VARSTORE_NAME_VALUE *IfrNameValueVarStore;\r | |
1599 | EFI_HII_PACKAGE_HEADER *PackageHeader;\r | |
1600 | EFI_VARSTORE_ID VarStoreId;\r | |
1601 | \r | |
1602 | Status = EFI_SUCCESS;\r | |
1603 | BlockData = NULL;\r | |
1604 | DefaultDataPtr = NULL;\r | |
1605 | FirstOneOfOption = FALSE;\r | |
1606 | VarStoreId = 0;\r | |
1607 | ZeroMem (&DefaultData, sizeof (IFR_DEFAULT_DATA));\r | |
1608 | \r | |
1609 | //\r | |
1610 | // Go through the form package to parse OpCode one by one.\r | |
1611 | //\r | |
1612 | PackageOffset = sizeof (EFI_HII_PACKAGE_HEADER);\r | |
1613 | PackageHeader = (EFI_HII_PACKAGE_HEADER *) Package;\r | |
1614 | IfrOffset = PackageOffset;\r | |
1615 | while (IfrOffset < PackageLength) {\r | |
1616 | \r | |
1617 | //\r | |
1618 | // More than one form package found.\r | |
1619 | //\r | |
1620 | if (PackageOffset >= PackageHeader->Length) {\r | |
1621 | //\r | |
1622 | // Already found varstore for this request, break;\r | |
1623 | //\r | |
1624 | if (VarStoreId != 0) {\r | |
1625 | VarStoreId = 0;\r | |
1626 | }\r | |
1627 | \r | |
1628 | //\r | |
1629 | // Get next package header info.\r | |
1630 | //\r | |
1631 | IfrOffset += sizeof (EFI_HII_PACKAGE_HEADER);\r | |
1632 | PackageOffset = sizeof (EFI_HII_PACKAGE_HEADER);\r | |
1633 | PackageHeader = (EFI_HII_PACKAGE_HEADER *) (Package + IfrOffset);\r | |
1634 | }\r | |
1635 | \r | |
1636 | IfrOpHdr = (EFI_IFR_OP_HEADER *) (Package + IfrOffset);\r | |
1637 | switch (IfrOpHdr->OpCode) {\r | |
1638 | case EFI_IFR_VARSTORE_OP:\r | |
1639 | //\r | |
1640 | // VarStore is found. Don't need to search any more.\r | |
1641 | //\r | |
1642 | if (VarStoreId != 0) {\r | |
1643 | break;\r | |
1644 | }\r | |
1645 | \r | |
1646 | IfrVarStore = (EFI_IFR_VARSTORE *) IfrOpHdr;\r | |
1647 | \r | |
1648 | VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)IfrVarStore->Name) * sizeof (CHAR16));\r | |
1649 | if (VarStoreName == NULL) {\r | |
1650 | Status = EFI_OUT_OF_RESOURCES;\r | |
1651 | goto Done;\r | |
1652 | }\r | |
1653 | AsciiStrToUnicodeStr ((CHAR8 *)IfrVarStore->Name, VarStoreName);\r | |
1654 | \r | |
1655 | if (IsThisVarstore((VOID *)&IfrVarStore->Guid, VarStoreName, ConfigHdr)) {\r | |
1656 | //\r | |
1657 | // Find the matched VarStore\r | |
1658 | //\r | |
1659 | CopyGuid (&VarStorageData->Guid, (EFI_GUID *) (VOID *) &IfrVarStore->Guid);\r | |
1660 | VarStorageData->Size = IfrVarStore->Size;\r | |
1661 | VarStorageData->Name = VarStoreName;\r | |
1662 | VarStorageData->Type = EFI_HII_VARSTORE_BUFFER;\r | |
1663 | VarStoreId = IfrVarStore->VarStoreId;\r | |
1664 | }\r | |
1665 | break;\r | |
1666 | \r | |
1667 | case EFI_IFR_VARSTORE_EFI_OP:\r | |
1668 | //\r | |
1669 | // VarStore is found. Don't need to search any more.\r | |
1670 | //\r | |
1671 | if (VarStoreId != 0) {\r | |
1672 | break;\r | |
1673 | }\r | |
1674 | \r | |
1675 | IfrEfiVarStore = (EFI_IFR_VARSTORE_EFI *) IfrOpHdr;\r | |
1676 | \r | |
1677 | //\r | |
1678 | // If the length is small than the structure, this is from old efi \r | |
1679 | // varstore definition. Old efi varstore get config directly from \r | |
1680 | // GetVariable function.\r | |
1681 | // \r | |
1682 | if (IfrOpHdr->Length < sizeof (EFI_IFR_VARSTORE_EFI)) {\r | |
1683 | break;\r | |
1684 | }\r | |
1685 | \r | |
1686 | VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)IfrEfiVarStore->Name) * sizeof (CHAR16));\r | |
1687 | if (VarStoreName == NULL) {\r | |
1688 | Status = EFI_OUT_OF_RESOURCES;\r | |
1689 | goto Done;\r | |
1690 | }\r | |
1691 | AsciiStrToUnicodeStr ((CHAR8 *)IfrEfiVarStore->Name, VarStoreName);\r | |
1692 | \r | |
1693 | if (IsThisVarstore (&IfrEfiVarStore->Guid, VarStoreName, ConfigHdr)) {\r | |
1694 | //\r | |
1695 | // Find the matched VarStore\r | |
1696 | //\r | |
1697 | CopyGuid (&VarStorageData->Guid, (EFI_GUID *) (VOID *) &IfrEfiVarStore->Guid);\r | |
1698 | VarStorageData->Size = IfrEfiVarStore->Size;\r | |
1699 | VarStorageData->Name = VarStoreName;\r | |
1700 | VarStorageData->Type = EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER;\r | |
1701 | VarStoreId = IfrEfiVarStore->VarStoreId;\r | |
1702 | }\r | |
1703 | break;\r | |
1704 | \r | |
1705 | case EFI_IFR_VARSTORE_NAME_VALUE_OP:\r | |
1706 | //\r | |
1707 | // VarStore is found. Don't need to search any more.\r | |
1708 | //\r | |
1709 | if (VarStoreId != 0) {\r | |
1710 | break;\r | |
1711 | }\r | |
1712 | \r | |
1713 | IfrNameValueVarStore = (EFI_IFR_VARSTORE_NAME_VALUE *) IfrOpHdr;\r | |
1714 | \r | |
1715 | if (IsThisVarstore (&IfrNameValueVarStore->Guid, NULL, ConfigHdr)) {\r | |
1716 | //\r | |
1717 | // Find the matched VarStore\r | |
1718 | //\r | |
1719 | CopyGuid (&VarStorageData->Guid, (EFI_GUID *) (VOID *) &IfrNameValueVarStore->Guid);\r | |
1720 | VarStorageData->Type = EFI_HII_VARSTORE_NAME_VALUE;\r | |
1721 | VarStoreId = IfrNameValueVarStore->VarStoreId;\r | |
1722 | }\r | |
1723 | break;\r | |
1724 | \r | |
1725 | case EFI_IFR_DEFAULTSTORE_OP:\r | |
1726 | //\r | |
1727 | // Add new the map between default id and default name.\r | |
1728 | //\r | |
1729 | DefaultDataPtr = (IFR_DEFAULT_DATA *) AllocateZeroPool (sizeof (IFR_DEFAULT_DATA));\r | |
1730 | if (DefaultDataPtr == NULL) {\r | |
1731 | Status = EFI_OUT_OF_RESOURCES;\r | |
1732 | goto Done;\r | |
1733 | }\r | |
1734 | DefaultDataPtr->DefaultId = ((EFI_IFR_DEFAULTSTORE *) IfrOpHdr)->DefaultId;\r | |
1735 | InsertTailList (&DefaultIdArray->Entry, &DefaultDataPtr->Entry);\r | |
1736 | DefaultDataPtr = NULL;\r | |
1737 | break;\r | |
1738 | \r | |
1739 | case EFI_IFR_FORM_OP:\r | |
1740 | case EFI_IFR_FORM_MAP_OP:\r | |
1741 | //\r | |
1742 | // No matched varstore is found and directly return.\r | |
1743 | //\r | |
1744 | if ( VarStoreId == 0) {\r | |
1745 | Status = EFI_SUCCESS;\r | |
1746 | goto Done;\r | |
1747 | }\r | |
1748 | break;\r | |
1749 | \r | |
1750 | case EFI_IFR_REF_OP:\r | |
1751 | //\r | |
1752 | // Ref question is not in IFR Form. This IFR form is not valid. \r | |
1753 | //\r | |
1754 | if ( VarStoreId == 0) {\r | |
1755 | Status = EFI_INVALID_PARAMETER;\r | |
1756 | goto Done;\r | |
1757 | }\r | |
1758 | //\r | |
1759 | // Check whether this question is for the requested varstore.\r | |
1760 | //\r | |
1761 | IfrRef = (EFI_IFR_REF4 *) IfrOpHdr;\r | |
1762 | if (IfrRef->Question.VarStoreId != VarStoreId) {\r | |
1763 | break;\r | |
1764 | }\r | |
1765 | VarWidth = (UINT16) (sizeof (EFI_HII_REF));\r | |
1766 | \r | |
1767 | Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData);\r | |
1768 | if (EFI_ERROR (Status)) {\r | |
1769 | goto Done;\r | |
1770 | }\r | |
1771 | break;\r | |
1772 | \r | |
1773 | case EFI_IFR_ONE_OF_OP:\r | |
1774 | case EFI_IFR_NUMERIC_OP:\r | |
1775 | //\r | |
1776 | // Numeric and OneOf has the same opcode structure.\r | |
1777 | //\r | |
1778 | \r | |
1779 | //\r | |
1780 | // Numeric and OneOf question is not in IFR Form. This IFR form is not valid. \r | |
1781 | //\r | |
1782 | if (VarStoreId == 0) {\r | |
1783 | Status = EFI_INVALID_PARAMETER;\r | |
1784 | goto Done;\r | |
1785 | }\r | |
1786 | //\r | |
1787 | // Check whether this question is for the requested varstore.\r | |
1788 | //\r | |
1789 | IfrOneOf = (EFI_IFR_ONE_OF *) IfrOpHdr;\r | |
1790 | if (IfrOneOf->Question.VarStoreId != VarStoreId) {\r | |
1791 | break;\r | |
1792 | }\r | |
1793 | VarWidth = (UINT16) (1 << (IfrOneOf->Flags & EFI_IFR_NUMERIC_SIZE));\r | |
1794 | \r | |
1795 | Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData);\r | |
1796 | if (EFI_ERROR (Status)) {\r | |
1797 | goto Done;\r | |
1798 | }\r | |
1799 | \r | |
1800 | if (BlockData == NULL) {\r | |
1801 | //\r | |
1802 | // BlockData == NULL means this opcode is not in the requst array.\r | |
1803 | //\r | |
1804 | break;\r | |
1805 | }\r | |
1806 | \r | |
1807 | if (IfrOpHdr->OpCode == EFI_IFR_ONE_OF_OP) {\r | |
1808 | //\r | |
1809 | // Set this flag to TRUE for the first oneof option.\r | |
1810 | //\r | |
1811 | FirstOneOfOption = TRUE;\r | |
1812 | } else if (IfrOpHdr->OpCode == EFI_IFR_NUMERIC_OP) {\r | |
1813 | //\r | |
1814 | // Numeric minimum value will be used as default value when no default is specified. \r | |
1815 | //\r | |
1816 | DefaultData.Type = DefaultValueFromDefault;\r | |
1817 | switch (IfrOneOf->Flags & EFI_IFR_NUMERIC_SIZE) {\r | |
1818 | case EFI_IFR_NUMERIC_SIZE_1:\r | |
1819 | DefaultData.Value.u8 = IfrOneOf->data.u8.MinValue;\r | |
1820 | break;\r | |
1821 | \r | |
1822 | case EFI_IFR_NUMERIC_SIZE_2:\r | |
1823 | CopyMem (&DefaultData.Value.u16, &IfrOneOf->data.u16.MinValue, sizeof (UINT16));\r | |
1824 | break;\r | |
1825 | \r | |
1826 | case EFI_IFR_NUMERIC_SIZE_4:\r | |
1827 | CopyMem (&DefaultData.Value.u32, &IfrOneOf->data.u32.MinValue, sizeof (UINT32));\r | |
1828 | break;\r | |
1829 | \r | |
1830 | case EFI_IFR_NUMERIC_SIZE_8:\r | |
1831 | CopyMem (&DefaultData.Value.u64, &IfrOneOf->data.u64.MinValue, sizeof (UINT64));\r | |
1832 | break;\r | |
1833 | \r | |
1834 | default:\r | |
1835 | Status = EFI_INVALID_PARAMETER;\r | |
1836 | goto Done;\r | |
1837 | }\r | |
1838 | //\r | |
1839 | // Set default value base on the DefaultId list get from IFR data.\r | |
1840 | // \r | |
1841 | for (LinkData = DefaultIdArray->Entry.ForwardLink; LinkData != &DefaultIdArray->Entry; LinkData = LinkData->ForwardLink) {\r | |
1842 | DefaultDataPtr = BASE_CR (LinkData, IFR_DEFAULT_DATA, Entry);\r | |
1843 | DefaultData.DefaultId = DefaultDataPtr->DefaultId;\r | |
1844 | InsertDefaultValue (BlockData, &DefaultData);\r | |
1845 | }\r | |
1846 | }\r | |
1847 | break;\r | |
1848 | \r | |
1849 | case EFI_IFR_ORDERED_LIST_OP:\r | |
1850 | //\r | |
1851 | // offset by question header\r | |
1852 | // width by EFI_IFR_ORDERED_LIST MaxContainers * OneofOption Type\r | |
1853 | // no default value and default id, how to define its default value?\r | |
1854 | //\r | |
1855 | \r | |
1856 | //\r | |
1857 | // OrderedList question is not in IFR Form. This IFR form is not valid. \r | |
1858 | //\r | |
1859 | if (VarStoreId == 0) {\r | |
1860 | Status = EFI_INVALID_PARAMETER;\r | |
1861 | goto Done;\r | |
1862 | }\r | |
1863 | //\r | |
1864 | // Check whether this question is for the requested varstore.\r | |
1865 | //\r | |
1866 | IfrOrderedList = (EFI_IFR_ORDERED_LIST *) IfrOpHdr;\r | |
1867 | if (IfrOrderedList->Question.VarStoreId != VarStoreId) {\r | |
1868 | BlockData = NULL;\r | |
1869 | break;\r | |
1870 | }\r | |
1871 | VarWidth = IfrOrderedList->MaxContainers;\r | |
1872 | Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData);\r | |
1873 | if (EFI_ERROR (Status)) {\r | |
1874 | goto Done;\r | |
1875 | }\r | |
1876 | break;\r | |
1877 | \r | |
1878 | case EFI_IFR_CHECKBOX_OP:\r | |
1879 | //\r | |
1880 | // EFI_IFR_DEFAULT_OP\r | |
1881 | // offset by question header\r | |
1882 | // width is 1 sizeof (BOOLEAN)\r | |
1883 | // default id by CheckBox Flags if CheckBox flags (Default or Mau) is set, the default value is 1 to be set.\r | |
1884 | // value by DefaultOption\r | |
1885 | // default id by DeaultOption DefaultId can override CheckBox Flags and Default value.\r | |
1886 | // \r | |
1887 | \r | |
1888 | //\r | |
1889 | // CheckBox question is not in IFR Form. This IFR form is not valid. \r | |
1890 | //\r | |
1891 | if (VarStoreId == 0) {\r | |
1892 | Status = EFI_INVALID_PARAMETER;\r | |
1893 | goto Done;\r | |
1894 | }\r | |
1895 | //\r | |
1896 | // Check whether this question is for the requested varstore.\r | |
1897 | //\r | |
1898 | IfrCheckBox = (EFI_IFR_CHECKBOX *) IfrOpHdr;\r | |
1899 | if (IfrCheckBox->Question.VarStoreId != VarStoreId) {\r | |
1900 | break;\r | |
1901 | }\r | |
1902 | VarWidth = (UINT16) sizeof (BOOLEAN);\r | |
1903 | Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData);\r | |
1904 | if (EFI_ERROR (Status)) {\r | |
1905 | goto Done;\r | |
1906 | }\r | |
1907 | \r | |
1908 | if (BlockData == NULL) {\r | |
1909 | //\r | |
1910 | // BlockData == NULL means this opcode is not in the requst array.\r | |
1911 | //\r | |
1912 | break;\r | |
1913 | }\r | |
1914 | \r | |
1915 | //\r | |
1916 | // Add default value for standard ID by CheckBox Flag\r | |
1917 | //\r | |
1918 | VarDefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;\r | |
1919 | //\r | |
1920 | // Prepare new DefaultValue\r | |
1921 | //\r | |
1922 | DefaultData.DefaultId = VarDefaultId;\r | |
1923 | if ((IfrCheckBox->Flags & EFI_IFR_CHECKBOX_DEFAULT) == EFI_IFR_CHECKBOX_DEFAULT) {\r | |
1924 | //\r | |
1925 | // When flag is set, defautl value is TRUE.\r | |
1926 | //\r | |
1927 | DefaultData.Type = DefaultValueFromFlag;\r | |
1928 | DefaultData.Value.b = TRUE;\r | |
1929 | } else {\r | |
1930 | //\r | |
1931 | // When flag is not set, defautl value is FASLE.\r | |
1932 | //\r | |
1933 | DefaultData.Type = DefaultValueFromDefault;\r | |
1934 | DefaultData.Value.b = FALSE;\r | |
1935 | }\r | |
1936 | //\r | |
1937 | // Add DefaultValue into current BlockData\r | |
1938 | //\r | |
1939 | InsertDefaultValue (BlockData, &DefaultData);\r | |
1940 | \r | |
1941 | //\r | |
1942 | // Add default value for Manufacture ID by CheckBox Flag\r | |
1943 | //\r | |
1944 | VarDefaultId = EFI_HII_DEFAULT_CLASS_MANUFACTURING;\r | |
1945 | //\r | |
1946 | // Prepare new DefaultValue\r | |
1947 | //\r | |
1948 | DefaultData.DefaultId = VarDefaultId;\r | |
1949 | if ((IfrCheckBox->Flags & EFI_IFR_CHECKBOX_DEFAULT_MFG) == EFI_IFR_CHECKBOX_DEFAULT_MFG) {\r | |
1950 | //\r | |
1951 | // When flag is set, defautl value is TRUE.\r | |
1952 | //\r | |
1953 | DefaultData.Type = DefaultValueFromFlag;\r | |
1954 | DefaultData.Value.b = TRUE;\r | |
1955 | } else {\r | |
1956 | //\r | |
1957 | // When flag is not set, defautl value is FASLE.\r | |
1958 | //\r | |
1959 | DefaultData.Type = DefaultValueFromDefault;\r | |
1960 | DefaultData.Value.b = FALSE;\r | |
1961 | }\r | |
1962 | //\r | |
1963 | // Add DefaultValue into current BlockData\r | |
1964 | //\r | |
1965 | InsertDefaultValue (BlockData, &DefaultData);\r | |
1966 | break;\r | |
1967 | \r | |
1968 | case EFI_IFR_DATE_OP:\r | |
1969 | //\r | |
1970 | // offset by question header\r | |
1971 | // width MaxSize * sizeof (CHAR16)\r | |
1972 | // no default value, only block array\r | |
1973 | //\r | |
1974 | \r | |
1975 | //\r | |
1976 | // Date question is not in IFR Form. This IFR form is not valid. \r | |
1977 | //\r | |
1978 | if (VarStoreId == 0) {\r | |
1979 | Status = EFI_INVALID_PARAMETER;\r | |
1980 | goto Done;\r | |
1981 | }\r | |
1982 | //\r | |
1983 | // Check whether this question is for the requested varstore.\r | |
1984 | //\r | |
1985 | IfrDate = (EFI_IFR_DATE *) IfrOpHdr;\r | |
1986 | if (IfrDate->Question.VarStoreId != VarStoreId) {\r | |
1987 | break;\r | |
1988 | }\r | |
1989 | \r | |
1990 | VarWidth = (UINT16) sizeof (EFI_HII_DATE);\r | |
1991 | Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData);\r | |
1992 | if (EFI_ERROR (Status)) {\r | |
1993 | goto Done;\r | |
1994 | }\r | |
1995 | break;\r | |
1996 | \r | |
1997 | case EFI_IFR_TIME_OP:\r | |
1998 | //\r | |
1999 | // offset by question header\r | |
2000 | // width MaxSize * sizeof (CHAR16)\r | |
2001 | // no default value, only block array\r | |
2002 | //\r | |
2003 | \r | |
2004 | //\r | |
2005 | // Time question is not in IFR Form. This IFR form is not valid. \r | |
2006 | //\r | |
2007 | if (VarStoreId == 0) {\r | |
2008 | Status = EFI_INVALID_PARAMETER;\r | |
2009 | goto Done;\r | |
2010 | }\r | |
2011 | //\r | |
2012 | // Check whether this question is for the requested varstore.\r | |
2013 | //\r | |
2014 | IfrTime = (EFI_IFR_TIME *) IfrOpHdr;\r | |
2015 | if (IfrTime->Question.VarStoreId != VarStoreId) {\r | |
2016 | break;\r | |
2017 | }\r | |
2018 | \r | |
2019 | VarWidth = (UINT16) sizeof (EFI_HII_TIME);\r | |
2020 | Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData);\r | |
2021 | if (EFI_ERROR (Status)) {\r | |
2022 | goto Done;\r | |
2023 | }\r | |
2024 | break;\r | |
2025 | \r | |
2026 | case EFI_IFR_STRING_OP:\r | |
2027 | //\r | |
2028 | // offset by question header\r | |
2029 | // width MaxSize * sizeof (CHAR16)\r | |
2030 | // no default value, only block array\r | |
2031 | //\r | |
2032 | \r | |
2033 | //\r | |
2034 | // String question is not in IFR Form. This IFR form is not valid. \r | |
2035 | //\r | |
2036 | if (VarStoreId == 0) {\r | |
2037 | Status = EFI_INVALID_PARAMETER;\r | |
2038 | goto Done;\r | |
2039 | }\r | |
2040 | //\r | |
2041 | // Check whether this question is for the requested varstore.\r | |
2042 | //\r | |
2043 | IfrString = (EFI_IFR_STRING *) IfrOpHdr;\r | |
2044 | if (IfrString->Question.VarStoreId != VarStoreId) {\r | |
2045 | break;\r | |
2046 | }\r | |
2047 | \r | |
2048 | VarWidth = (UINT16) (IfrString->MaxSize * sizeof (UINT16));\r | |
2049 | Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData);\r | |
2050 | if (EFI_ERROR (Status)) {\r | |
2051 | goto Done;\r | |
2052 | }\r | |
2053 | \r | |
2054 | //\r | |
2055 | // No default value for string.\r | |
2056 | //\r | |
2057 | BlockData = NULL;\r | |
2058 | break;\r | |
2059 | \r | |
2060 | case EFI_IFR_PASSWORD_OP:\r | |
2061 | //\r | |
2062 | // offset by question header\r | |
2063 | // width MaxSize * sizeof (CHAR16)\r | |
2064 | // no default value, only block array\r | |
2065 | //\r | |
2066 | \r | |
2067 | //\r | |
2068 | // Password question is not in IFR Form. This IFR form is not valid. \r | |
2069 | //\r | |
2070 | if (VarStoreId == 0) {\r | |
2071 | Status = EFI_INVALID_PARAMETER;\r | |
2072 | goto Done;\r | |
2073 | }\r | |
2074 | //\r | |
2075 | // Check whether this question is for the requested varstore.\r | |
2076 | //\r | |
2077 | IfrPassword = (EFI_IFR_PASSWORD *) IfrOpHdr;\r | |
2078 | if (IfrPassword->Question.VarStoreId != VarStoreId) {\r | |
2079 | break;\r | |
2080 | }\r | |
2081 | \r | |
2082 | VarWidth = (UINT16) (IfrPassword->MaxSize * sizeof (UINT16));\r | |
2083 | Status = IsThisOpcodeRequired(RequestBlockArray, HiiHandle, VarStorageData, IfrOpHdr, VarWidth, &BlockData);\r | |
2084 | if (EFI_ERROR (Status)) {\r | |
2085 | goto Done;\r | |
2086 | }\r | |
2087 | \r | |
2088 | //\r | |
2089 | // No default value for string.\r | |
2090 | //\r | |
2091 | BlockData = NULL;\r | |
2092 | break;\r | |
2093 | \r | |
2094 | case EFI_IFR_ONE_OF_OPTION_OP:\r | |
2095 | //\r | |
2096 | // No matched block data is ignored.\r | |
2097 | //\r | |
2098 | if (BlockData == NULL || BlockData->Scope == 0) {\r | |
2099 | break;\r | |
2100 | }\r | |
2101 | \r | |
2102 | IfrOneOfOption = (EFI_IFR_ONE_OF_OPTION *) IfrOpHdr;\r | |
2103 | if (BlockData->OpCode == EFI_IFR_ORDERED_LIST_OP) {\r | |
2104 | //\r | |
2105 | // Get ordered list option data type.\r | |
2106 | //\r | |
2107 | if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_8 || IfrOneOfOption->Type == EFI_IFR_TYPE_BOOLEAN) {\r | |
2108 | VarWidth = 1;\r | |
2109 | } else if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_16) {\r | |
2110 | VarWidth = 2;\r | |
2111 | } else if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_32) {\r | |
2112 | VarWidth = 4;\r | |
2113 | } else if (IfrOneOfOption->Type == EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
2114 | VarWidth = 8;\r | |
2115 | } else {\r | |
2116 | //\r | |
2117 | // Invalid ordered list option data type.\r | |
2118 | //\r | |
2119 | Status = EFI_INVALID_PARAMETER;\r | |
2120 | if (BlockData->Name != NULL) {\r | |
2121 | FreePool (BlockData->Name);\r | |
2122 | }\r | |
2123 | FreePool (BlockData);\r | |
2124 | goto Done;\r | |
2125 | }\r | |
2126 | \r | |
2127 | //\r | |
2128 | // Calculate Ordered list QuestionId width.\r | |
2129 | //\r | |
2130 | BlockData->Width = (UINT16) (BlockData->Width * VarWidth);\r | |
2131 | //\r | |
2132 | // Check whether this question is in requested block array.\r | |
2133 | //\r | |
2134 | if (!BlockArrayCheck (RequestBlockArray, BlockData->Offset, BlockData->Width, (BOOLEAN)(BlockData->Name != NULL), HiiHandle)) {\r | |
2135 | //\r | |
2136 | // This question is not in the requested string. Skip it.\r | |
2137 | //\r | |
2138 | if (BlockData->Name != NULL) {\r | |
2139 | FreePool (BlockData->Name);\r | |
2140 | }\r | |
2141 | FreePool (BlockData);\r | |
2142 | BlockData = NULL;\r | |
2143 | break;\r | |
2144 | }\r | |
2145 | //\r | |
2146 | // Check this var question is in the var storage \r | |
2147 | //\r | |
2148 | if ((BlockData->Name == NULL) && ((BlockData->Offset + BlockData->Width) > VarStorageData->Size)) {\r | |
2149 | Status = EFI_INVALID_PARAMETER;\r | |
2150 | if (BlockData->Name != NULL) {\r | |
2151 | FreePool (BlockData->Name);\r | |
2152 | }\r | |
2153 | FreePool (BlockData);\r | |
2154 | goto Done;\r | |
2155 | }\r | |
2156 | //\r | |
2157 | // Add Block Data into VarStorageData BlockEntry\r | |
2158 | //\r | |
2159 | InsertBlockData (&VarStorageData->BlockEntry, &BlockData);\r | |
2160 | //\r | |
2161 | // No default data for OrderedList.\r | |
2162 | //\r | |
2163 | BlockData = NULL;\r | |
2164 | break;\r | |
2165 | }\r | |
2166 | \r | |
2167 | //\r | |
2168 | // 1. Set default value for OneOf option when flag field has default attribute.\r | |
2169 | //\r | |
2170 | if (((IfrOneOfOption->Flags & EFI_IFR_OPTION_DEFAULT) == EFI_IFR_OPTION_DEFAULT) ||\r | |
2171 | ((IfrOneOfOption->Flags & EFI_IFR_OPTION_DEFAULT_MFG) == EFI_IFR_OPTION_DEFAULT_MFG)) {\r | |
2172 | //\r | |
2173 | // This flag is used to specify whether this option is the first. Set it to FALSE for the following options. \r | |
2174 | // The first oneof option value will be used as default value when no default value is specified. \r | |
2175 | //\r | |
2176 | FirstOneOfOption = FALSE;\r | |
2177 | \r | |
2178 | // Prepare new DefaultValue\r | |
2179 | //\r | |
2180 | DefaultData.Type = DefaultValueFromFlag;\r | |
2181 | CopyMem (&DefaultData.Value, &IfrOneOfOption->Value, IfrOneOfOption->Header.Length - OFFSET_OF (EFI_IFR_ONE_OF_OPTION, Value));\r | |
2182 | if ((IfrOneOfOption->Flags & EFI_IFR_OPTION_DEFAULT) == EFI_IFR_OPTION_DEFAULT) {\r | |
2183 | DefaultData.DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;\r | |
2184 | InsertDefaultValue (BlockData, &DefaultData);\r | |
2185 | } \r | |
2186 | if ((IfrOneOfOption->Flags & EFI_IFR_OPTION_DEFAULT_MFG) == EFI_IFR_OPTION_DEFAULT_MFG) {\r | |
2187 | DefaultData.DefaultId = EFI_HII_DEFAULT_CLASS_MANUFACTURING;\r | |
2188 | InsertDefaultValue (BlockData, &DefaultData);\r | |
2189 | }\r | |
2190 | }\r | |
2191 | \r | |
2192 | //\r | |
2193 | // 2. Set as the default value when this is the first option.\r | |
2194 | // The first oneof option value will be used as default value when no default value is specified. \r | |
2195 | //\r | |
2196 | if (FirstOneOfOption) {\r | |
2197 | // This flag is used to specify whether this option is the first. Set it to FALSE for the following options. \r | |
2198 | FirstOneOfOption = FALSE;\r | |
2199 | \r | |
2200 | //\r | |
2201 | // Prepare new DefaultValue\r | |
2202 | // \r | |
2203 | DefaultData.Type = DefaultValueFromDefault;\r | |
2204 | CopyMem (&DefaultData.Value, &IfrOneOfOption->Value, IfrOneOfOption->Header.Length - OFFSET_OF (EFI_IFR_ONE_OF_OPTION, Value));\r | |
2205 | for (LinkData = DefaultIdArray->Entry.ForwardLink; LinkData != &DefaultIdArray->Entry; LinkData = LinkData->ForwardLink) {\r | |
2206 | DefaultDataPtr = BASE_CR (LinkData, IFR_DEFAULT_DATA, Entry); \r | |
2207 | DefaultData.DefaultId = DefaultDataPtr->DefaultId;\r | |
2208 | InsertDefaultValue (BlockData, &DefaultData);\r | |
2209 | }\r | |
2210 | }\r | |
2211 | break;\r | |
2212 | \r | |
2213 | case EFI_IFR_DEFAULT_OP:\r | |
2214 | //\r | |
2215 | // Update Current BlockData to the default value.\r | |
2216 | //\r | |
2217 | if (BlockData == NULL || BlockData->Scope == 0) {\r | |
2218 | //\r | |
2219 | // No matched block data is ignored.\r | |
2220 | //\r | |
2221 | break;\r | |
2222 | }\r | |
2223 | \r | |
2224 | if (BlockData->OpCode == EFI_IFR_ORDERED_LIST_OP) {\r | |
2225 | //\r | |
2226 | // OrderedList Opcode is no default value.\r | |
2227 | //\r | |
2228 | break;\r | |
2229 | }\r | |
2230 | //\r | |
2231 | // Get the DefaultId\r | |
2232 | //\r | |
2233 | IfrDefault = (EFI_IFR_DEFAULT *) IfrOpHdr;\r | |
2234 | VarDefaultId = IfrDefault->DefaultId;\r | |
2235 | //\r | |
2236 | // Prepare new DefaultValue\r | |
2237 | //\r | |
2238 | DefaultData.Type = DefaultValueFromOpcode;\r | |
2239 | DefaultData.DefaultId = VarDefaultId;\r | |
2240 | CopyMem (&DefaultData.Value, &IfrDefault->Value, IfrDefault->Header.Length - OFFSET_OF (EFI_IFR_DEFAULT, Value));\r | |
2241 | \r | |
2242 | // If the value field is expression, set the cleaned flag.\r | |
2243 | if (IfrDefault->Type == EFI_IFR_TYPE_OTHER) {\r | |
2244 | DefaultData.Cleaned = TRUE;\r | |
2245 | }\r | |
2246 | //\r | |
2247 | // Add DefaultValue into current BlockData\r | |
2248 | //\r | |
2249 | InsertDefaultValue (BlockData, &DefaultData);\r | |
2250 | \r | |
2251 | //\r | |
2252 | // After insert the default value, reset the cleaned value for next \r | |
2253 | // time used. If not set here, need to set the value before everytime \r | |
2254 | // use it.\r | |
2255 | //\r | |
2256 | DefaultData.Cleaned = FALSE;\r | |
2257 | break;\r | |
2258 | \r | |
2259 | case EFI_IFR_END_OP:\r | |
2260 | //\r | |
2261 | // End Opcode is for Var question.\r | |
2262 | //\r | |
2263 | if (BlockData != NULL) {\r | |
2264 | if (BlockData->Scope > 0) {\r | |
2265 | BlockData->Scope--;\r | |
2266 | }\r | |
2267 | if (BlockData->Scope == 0) {\r | |
2268 | BlockData = NULL;\r | |
2269 | }\r | |
2270 | }\r | |
2271 | \r | |
2272 | break;\r | |
2273 | \r | |
2274 | default:\r | |
2275 | if (BlockData != NULL) {\r | |
2276 | if (BlockData->Scope > 0) {\r | |
2277 | BlockData->Scope = (UINT8) (BlockData->Scope + IfrOpHdr->Scope);\r | |
2278 | }\r | |
2279 | \r | |
2280 | if (BlockData->Scope == 0) {\r | |
2281 | BlockData = NULL;\r | |
2282 | }\r | |
2283 | }\r | |
2284 | break;\r | |
2285 | }\r | |
2286 | \r | |
2287 | IfrOffset += IfrOpHdr->Length;\r | |
2288 | PackageOffset += IfrOpHdr->Length;\r | |
2289 | }\r | |
2290 | \r | |
2291 | Done:\r | |
2292 | for (LinkData = VarStorageData->BlockEntry.ForwardLink; LinkData != &VarStorageData->BlockEntry; LinkData = LinkData->ForwardLink) {\r | |
2293 | BlockData = BASE_CR (LinkData, IFR_BLOCK_DATA, Entry);\r | |
2294 | for (LinkDefault = BlockData->DefaultValueEntry.ForwardLink; LinkDefault != &BlockData->DefaultValueEntry; ) {\r | |
2295 | DefaultDataPtr = BASE_CR (LinkDefault, IFR_DEFAULT_DATA, Entry);\r | |
2296 | LinkDefault = LinkDefault->ForwardLink;\r | |
2297 | if (DefaultDataPtr->Cleaned == TRUE) {\r | |
2298 | RemoveEntryList (&DefaultDataPtr->Entry);\r | |
2299 | FreePool (DefaultDataPtr);\r | |
2300 | }\r | |
2301 | }\r | |
2302 | }\r | |
2303 | \r | |
2304 | return Status;\r | |
2305 | }\r | |
2306 | \r | |
2307 | /**\r | |
2308 | parse the configrequest string, get the elements.\r | |
2309 | \r | |
2310 | @param ConfigRequest The input configrequest string.\r | |
2311 | @param Progress Return the progress data.\r | |
2312 | \r | |
2313 | @retval Block data pointer.\r | |
2314 | **/\r | |
2315 | IFR_BLOCK_DATA *\r | |
2316 | GetBlockElement (\r | |
2317 | IN EFI_STRING ConfigRequest,\r | |
2318 | OUT EFI_STRING *Progress\r | |
2319 | )\r | |
2320 | {\r | |
2321 | EFI_STRING StringPtr;\r | |
2322 | IFR_BLOCK_DATA *BlockData;\r | |
2323 | IFR_BLOCK_DATA *RequestBlockArray;\r | |
2324 | EFI_STATUS Status;\r | |
2325 | UINT8 *TmpBuffer;\r | |
2326 | UINT16 Offset;\r | |
2327 | UINT16 Width;\r | |
2328 | LIST_ENTRY *Link;\r | |
2329 | IFR_BLOCK_DATA *NextBlockData;\r | |
2330 | UINTN Length;\r | |
2331 | \r | |
2332 | //\r | |
2333 | // Init RequestBlockArray\r | |
2334 | //\r | |
2335 | RequestBlockArray = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r | |
2336 | if (RequestBlockArray == NULL) {\r | |
2337 | goto Done;\r | |
2338 | }\r | |
2339 | InitializeListHead (&RequestBlockArray->Entry);\r | |
2340 | \r | |
2341 | //\r | |
2342 | // Get the request Block array from the request string\r | |
2343 | // Offset and Width\r | |
2344 | //\r | |
2345 | \r | |
2346 | //\r | |
2347 | // Parse each <RequestElement> if exists\r | |
2348 | // Only <BlockName> format is supported by this help function.\r | |
2349 | // <BlockName> ::= &'OFFSET='<Number>&'WIDTH='<Number>\r | |
2350 | //\r | |
2351 | StringPtr = ConfigRequest;\r | |
2352 | while (*StringPtr != 0 && StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) == 0) {\r | |
2353 | //\r | |
2354 | // Skip the OFFSET string\r | |
2355 | //\r | |
2356 | *Progress = StringPtr;\r | |
2357 | StringPtr += StrLen (L"&OFFSET=");\r | |
2358 | //\r | |
2359 | // Get Offset\r | |
2360 | //\r | |
2361 | Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r | |
2362 | if (EFI_ERROR (Status)) {\r | |
2363 | goto Done;\r | |
2364 | }\r | |
2365 | Offset = 0;\r | |
2366 | CopyMem (\r | |
2367 | &Offset,\r | |
2368 | TmpBuffer,\r | |
2369 | (((Length + 1) / 2) < sizeof (UINT16)) ? ((Length + 1) / 2) : sizeof (UINT16)\r | |
2370 | );\r | |
2371 | FreePool (TmpBuffer);\r | |
2372 | \r | |
2373 | StringPtr += Length;\r | |
2374 | if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) {\r | |
2375 | goto Done;\r | |
2376 | }\r | |
2377 | StringPtr += StrLen (L"&WIDTH=");\r | |
2378 | \r | |
2379 | //\r | |
2380 | // Get Width\r | |
2381 | //\r | |
2382 | Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r | |
2383 | if (EFI_ERROR (Status)) {\r | |
2384 | goto Done;\r | |
2385 | }\r | |
2386 | Width = 0;\r | |
2387 | CopyMem (\r | |
2388 | &Width,\r | |
2389 | TmpBuffer,\r | |
2390 | (((Length + 1) / 2) < sizeof (UINT16)) ? ((Length + 1) / 2) : sizeof (UINT16)\r | |
2391 | );\r | |
2392 | FreePool (TmpBuffer);\r | |
2393 | \r | |
2394 | StringPtr += Length;\r | |
2395 | if (*StringPtr != 0 && *StringPtr != L'&') {\r | |
2396 | goto Done;\r | |
2397 | }\r | |
2398 | \r | |
2399 | //\r | |
2400 | // Set Block Data\r | |
2401 | //\r | |
2402 | BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r | |
2403 | if (BlockData == NULL) {\r | |
2404 | goto Done;\r | |
2405 | }\r | |
2406 | BlockData->Offset = Offset;\r | |
2407 | BlockData->Width = Width;\r | |
2408 | InsertBlockData (&RequestBlockArray->Entry, &BlockData);\r | |
2409 | \r | |
2410 | //\r | |
2411 | // Skip &VALUE string if &VALUE does exists.\r | |
2412 | //\r | |
2413 | if (StrnCmp (StringPtr, L"&VALUE=", StrLen (L"&VALUE=")) == 0) {\r | |
2414 | StringPtr += StrLen (L"&VALUE=");\r | |
2415 | \r | |
2416 | //\r | |
2417 | // Get Value\r | |
2418 | //\r | |
2419 | Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r | |
2420 | if (EFI_ERROR (Status)) {\r | |
2421 | goto Done;\r | |
2422 | }\r | |
2423 | \r | |
2424 | StringPtr += Length;\r | |
2425 | if (*StringPtr != 0 && *StringPtr != L'&') {\r | |
2426 | goto Done;\r | |
2427 | }\r | |
2428 | }\r | |
2429 | //\r | |
2430 | // If '\0', parsing is finished. \r | |
2431 | //\r | |
2432 | if (*StringPtr == 0) {\r | |
2433 | break;\r | |
2434 | }\r | |
2435 | }\r | |
2436 | \r | |
2437 | //\r | |
2438 | // Merge the requested block data.\r | |
2439 | //\r | |
2440 | Link = RequestBlockArray->Entry.ForwardLink;\r | |
2441 | while ((Link != &RequestBlockArray->Entry) && (Link->ForwardLink != &RequestBlockArray->Entry)) {\r | |
2442 | BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r | |
2443 | NextBlockData = BASE_CR (Link->ForwardLink, IFR_BLOCK_DATA, Entry);\r | |
2444 | if ((NextBlockData->Offset >= BlockData->Offset) && (NextBlockData->Offset <= (BlockData->Offset + BlockData->Width))) {\r | |
2445 | if ((NextBlockData->Offset + NextBlockData->Width) > (BlockData->Offset + BlockData->Width)) {\r | |
2446 | BlockData->Width = (UINT16) (NextBlockData->Offset + NextBlockData->Width - BlockData->Offset);\r | |
2447 | }\r | |
2448 | RemoveEntryList (Link->ForwardLink);\r | |
2449 | FreePool (NextBlockData);\r | |
2450 | continue;\r | |
2451 | }\r | |
2452 | Link = Link->ForwardLink;\r | |
2453 | }\r | |
2454 | \r | |
2455 | return RequestBlockArray;\r | |
2456 | \r | |
2457 | Done:\r | |
2458 | if (RequestBlockArray != NULL) {\r | |
2459 | //\r | |
2460 | // Free Link Array RequestBlockArray\r | |
2461 | //\r | |
2462 | while (!IsListEmpty (&RequestBlockArray->Entry)) {\r | |
2463 | BlockData = BASE_CR (RequestBlockArray->Entry.ForwardLink, IFR_BLOCK_DATA, Entry);\r | |
2464 | RemoveEntryList (&BlockData->Entry);\r | |
2465 | FreePool (BlockData);\r | |
2466 | }\r | |
2467 | \r | |
2468 | FreePool (RequestBlockArray);\r | |
2469 | }\r | |
2470 | \r | |
2471 | return NULL;\r | |
2472 | }\r | |
2473 | \r | |
2474 | /**\r | |
2475 | parse the configrequest string, get the elements.\r | |
2476 | \r | |
2477 | @param ConfigRequest The input config request string.\r | |
2478 | @param Progress Return the progress data.\r | |
2479 | \r | |
2480 | @retval return data block array.\r | |
2481 | **/\r | |
2482 | IFR_BLOCK_DATA *\r | |
2483 | GetNameElement (\r | |
2484 | IN EFI_STRING ConfigRequest,\r | |
2485 | OUT EFI_STRING *Progress\r | |
2486 | )\r | |
2487 | {\r | |
2488 | EFI_STRING StringPtr;\r | |
2489 | EFI_STRING NextTag;\r | |
2490 | IFR_BLOCK_DATA *BlockData;\r | |
2491 | IFR_BLOCK_DATA *RequestBlockArray;\r | |
2492 | BOOLEAN HasValue;\r | |
2493 | \r | |
2494 | StringPtr = ConfigRequest;\r | |
2495 | \r | |
2496 | //\r | |
2497 | // Init RequestBlockArray\r | |
2498 | //\r | |
2499 | RequestBlockArray = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r | |
2500 | if (RequestBlockArray == NULL) {\r | |
2501 | goto Done;\r | |
2502 | }\r | |
2503 | InitializeListHead (&RequestBlockArray->Entry);\r | |
2504 | \r | |
2505 | //\r | |
2506 | // Get the request Block array from the request string\r | |
2507 | //\r | |
2508 | \r | |
2509 | //\r | |
2510 | // Parse each <RequestElement> if exists\r | |
2511 | // Only <BlockName> format is supported by this help function.\r | |
2512 | // <BlockName> ::= &'Name***=***\r | |
2513 | //\r | |
2514 | while (StringPtr != NULL && *StringPtr == L'&') {\r | |
2515 | \r | |
2516 | *Progress = StringPtr;\r | |
2517 | //\r | |
2518 | // Skip the L"&" string\r | |
2519 | //\r | |
2520 | StringPtr += 1;\r | |
2521 | \r | |
2522 | HasValue = FALSE;\r | |
2523 | if ((NextTag = StrStr (StringPtr, L"=")) != NULL) {\r | |
2524 | *NextTag = L'\0';\r | |
2525 | HasValue = TRUE;\r | |
2526 | } else if ((NextTag = StrStr (StringPtr, L"&")) != NULL) {\r | |
2527 | *NextTag = L'\0';\r | |
2528 | }\r | |
2529 | \r | |
2530 | //\r | |
2531 | // Set Block Data\r | |
2532 | //\r | |
2533 | BlockData = (IFR_BLOCK_DATA *) AllocateZeroPool (sizeof (IFR_BLOCK_DATA));\r | |
2534 | if (BlockData == NULL) {\r | |
2535 | goto Done;\r | |
2536 | }\r | |
2537 | \r | |
2538 | //\r | |
2539 | // Get Name\r | |
2540 | //\r | |
2541 | BlockData->Name = AllocateCopyPool(StrSize (StringPtr), StringPtr);\r | |
2542 | InsertBlockData (&RequestBlockArray->Entry, &BlockData);\r | |
2543 | \r | |
2544 | if (HasValue) {\r | |
2545 | //\r | |
2546 | // If has value, skip the value.\r | |
2547 | // \r | |
2548 | StringPtr = NextTag + 1;\r | |
2549 | *NextTag = L'=';\r | |
2550 | StringPtr = StrStr (StringPtr, L"&");\r | |
2551 | } else if (NextTag != NULL) {\r | |
2552 | //\r | |
2553 | // restore the '&' text.\r | |
2554 | //\r | |
2555 | StringPtr = NextTag;\r | |
2556 | *NextTag = L'&';\r | |
2557 | }\r | |
2558 | }\r | |
2559 | \r | |
2560 | return RequestBlockArray;\r | |
2561 | \r | |
2562 | Done:\r | |
2563 | if (RequestBlockArray != NULL) {\r | |
2564 | //\r | |
2565 | // Free Link Array RequestBlockArray\r | |
2566 | //\r | |
2567 | while (!IsListEmpty (&RequestBlockArray->Entry)) {\r | |
2568 | BlockData = BASE_CR (RequestBlockArray->Entry.ForwardLink, IFR_BLOCK_DATA, Entry);\r | |
2569 | RemoveEntryList (&BlockData->Entry);\r | |
2570 | if (BlockData->Name != NULL) {\r | |
2571 | FreePool (BlockData->Name);\r | |
2572 | }\r | |
2573 | FreePool (BlockData);\r | |
2574 | }\r | |
2575 | \r | |
2576 | FreePool (RequestBlockArray);\r | |
2577 | }\r | |
2578 | \r | |
2579 | return NULL;\r | |
2580 | }\r | |
2581 | \r | |
2582 | /**\r | |
2583 | Generate ConfigRequest string base on the varstore info.\r | |
2584 | \r | |
2585 | @param ConfigHdr The config header for this varstore.\r | |
2586 | @param VarStorageData The varstore info.\r | |
2587 | @param Status Return Status.\r | |
2588 | @param ConfigRequest The ConfigRequest info may be return.\r | |
2589 | \r | |
2590 | @retval TRUE Need to continue\r | |
2591 | @retval Others NO need to continue or error occur.\r | |
2592 | **/\r | |
2593 | BOOLEAN\r | |
2594 | GenerateConfigRequest (\r | |
2595 | IN CHAR16 *ConfigHdr,\r | |
2596 | IN IFR_VARSTORAGE_DATA *VarStorageData,\r | |
2597 | OUT EFI_STATUS *Status,\r | |
2598 | IN OUT EFI_STRING *ConfigRequest\r | |
2599 | )\r | |
2600 | {\r | |
2601 | BOOLEAN DataExist;\r | |
2602 | UINTN Length;\r | |
2603 | LIST_ENTRY *Link;\r | |
2604 | CHAR16 *FullConfigRequest;\r | |
2605 | CHAR16 *StringPtr;\r | |
2606 | IFR_BLOCK_DATA *BlockData;\r | |
2607 | \r | |
2608 | //\r | |
2609 | // Append VarStorageData BlockEntry into *Request string\r | |
2610 | // Now support only one varstore in a form package.\r | |
2611 | //\r | |
2612 | \r | |
2613 | //\r | |
2614 | // Go through all VarStorageData Entry and get BlockEntry for each one for the multiple varstore in a single form package\r | |
2615 | // Then construct them all to return MultiRequest string : ConfigHdr BlockConfig\r | |
2616 | //\r | |
2617 | \r | |
2618 | //\r | |
2619 | // Compute the length of the entire request starting with <ConfigHdr> and a \r | |
2620 | // Null-terminator\r | |
2621 | //\r | |
2622 | DataExist = FALSE;\r | |
2623 | Length = StrLen (ConfigHdr) + 1;\r | |
2624 | \r | |
2625 | for (Link = VarStorageData->BlockEntry.ForwardLink; Link != &VarStorageData->BlockEntry; Link = Link->ForwardLink) {\r | |
2626 | DataExist = TRUE;\r | |
2627 | BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r | |
2628 | if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) {\r | |
2629 | //\r | |
2630 | // Add <BlockName> length for each Name\r | |
2631 | //\r | |
2632 | // <BlockName> ::= &Name1&Name2&... \r | |
2633 | // |1| StrLen(Name1)\r | |
2634 | //\r | |
2635 | Length = Length + (1 + StrLen (BlockData->Name));\r | |
2636 | } else {\r | |
2637 | //\r | |
2638 | // Add <BlockName> length for each Offset/Width pair\r | |
2639 | //\r | |
2640 | // <BlockName> ::= &OFFSET=1234&WIDTH=1234\r | |
2641 | // | 8 | 4 | 7 | 4 |\r | |
2642 | //\r | |
2643 | Length = Length + (8 + 4 + 7 + 4);\r | |
2644 | }\r | |
2645 | }\r | |
2646 | //\r | |
2647 | // No any request block data is found. The request string can't be constructed.\r | |
2648 | //\r | |
2649 | if (!DataExist) {\r | |
2650 | *Status = EFI_SUCCESS;\r | |
2651 | return FALSE;\r | |
2652 | }\r | |
2653 | \r | |
2654 | //\r | |
2655 | // Allocate buffer for the entire <ConfigRequest>\r | |
2656 | //\r | |
2657 | FullConfigRequest = AllocateZeroPool (Length * sizeof (CHAR16));\r | |
2658 | if (FullConfigRequest == NULL) {\r | |
2659 | *Status = EFI_OUT_OF_RESOURCES;\r | |
2660 | return FALSE;\r | |
2661 | }\r | |
2662 | StringPtr = FullConfigRequest;\r | |
2663 | \r | |
2664 | //\r | |
2665 | // Start with <ConfigHdr>\r | |
2666 | //\r | |
2667 | StrCpy (StringPtr, ConfigHdr);\r | |
2668 | StringPtr += StrLen (StringPtr);\r | |
2669 | \r | |
2670 | //\r | |
2671 | // Loop through all the Offset/Width pairs and append them to ConfigRequest\r | |
2672 | //\r | |
2673 | for (Link = VarStorageData->BlockEntry.ForwardLink; Link != &VarStorageData->BlockEntry; Link = Link->ForwardLink) {\r | |
2674 | BlockData = BASE_CR (Link, IFR_BLOCK_DATA, Entry);\r | |
2675 | if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) {\r | |
2676 | //\r | |
2677 | // Append &Name1\0\r | |
2678 | //\r | |
2679 | UnicodeSPrint (\r | |
2680 | StringPtr,\r | |
2681 | (1 + StrLen (BlockData->Name) + 1) * sizeof (CHAR16),\r | |
2682 | L"&%s",\r | |
2683 | BlockData->Name\r | |
2684 | );\r | |
2685 | } else {\r | |
2686 | //\r | |
2687 | // Append &OFFSET=XXXX&WIDTH=YYYY\0\r | |
2688 | //\r | |
2689 | UnicodeSPrint (\r | |
2690 | StringPtr, \r | |
2691 | (8 + 4 + 7 + 4 + 1) * sizeof (CHAR16), \r | |
2692 | L"&OFFSET=%04X&WIDTH=%04X", \r | |
2693 | BlockData->Offset, \r | |
2694 | BlockData->Width\r | |
2695 | );\r | |
2696 | }\r | |
2697 | StringPtr += StrLen (StringPtr);\r | |
2698 | }\r | |
2699 | //\r | |
2700 | // Set to the got full request string.\r | |
2701 | //\r | |
2702 | HiiToLower (FullConfigRequest);\r | |
2703 | \r | |
2704 | if (*ConfigRequest != NULL) {\r | |
2705 | FreePool (*ConfigRequest);\r | |
2706 | }\r | |
2707 | *ConfigRequest = FullConfigRequest;\r | |
2708 | \r | |
2709 | return TRUE;\r | |
2710 | }\r | |
2711 | \r | |
2712 | /**\r | |
2713 | Generate ConfigRequest Header base on the varstore info.\r | |
2714 | \r | |
2715 | @param VarStorageData The varstore info.\r | |
2716 | @param DevicePath Device path for this varstore.\r | |
2717 | @param ConfigHdr The config header for this varstore.\r | |
2718 | \r | |
2719 | @retval EFI_SUCCESS Generate the header success.\r | |
2720 | @retval EFI_OUT_OF_RESOURCES Allocate buffer fail.\r | |
2721 | **/\r | |
2722 | EFI_STATUS\r | |
2723 | GenerateHdr (\r | |
2724 | IN IFR_VARSTORAGE_DATA *VarStorageData,\r | |
2725 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
2726 | OUT EFI_STRING *ConfigHdr\r | |
2727 | )\r | |
2728 | {\r | |
2729 | EFI_STRING GuidStr;\r | |
2730 | EFI_STRING NameStr;\r | |
2731 | EFI_STRING PathStr;\r | |
2732 | UINTN Length;\r | |
2733 | EFI_STATUS Status;\r | |
2734 | \r | |
2735 | Status = EFI_SUCCESS;\r | |
2736 | NameStr = NULL;\r | |
2737 | GuidStr = NULL;\r | |
2738 | PathStr = NULL;\r | |
2739 | \r | |
2740 | //\r | |
2741 | // Construct <ConfigHdr> : "GUID=...&NAME=...&PATH=..." by VarStorageData Guid, Name and DriverHandle\r | |
2742 | //\r | |
2743 | GenerateSubStr (L"GUID=", sizeof (EFI_GUID), (VOID *) &VarStorageData->Guid, 1, &GuidStr);\r | |
2744 | if (VarStorageData->Name != NULL) {\r | |
2745 | GenerateSubStr (L"NAME=", StrLen (VarStorageData->Name) * sizeof (CHAR16), (VOID *) VarStorageData->Name, 2, &NameStr);\r | |
2746 | } else {\r | |
2747 | GenerateSubStr (L"NAME=", 0, NULL, 2, &NameStr);\r | |
2748 | }\r | |
2749 | GenerateSubStr (\r | |
2750 | L"PATH=",\r | |
2751 | GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) DevicePath),\r | |
2752 | (VOID *) DevicePath,\r | |
2753 | 1,\r | |
2754 | &PathStr\r | |
2755 | );\r | |
2756 | Length = StrLen (GuidStr) + StrLen (NameStr) + StrLen (PathStr) + 1;\r | |
2757 | if (VarStorageData->Name == NULL) {\r | |
2758 | Length += 1;\r | |
2759 | }\r | |
2760 | \r | |
2761 | *ConfigHdr = AllocateZeroPool (Length * sizeof (CHAR16));\r | |
2762 | if (*ConfigHdr == NULL) {\r | |
2763 | Status = EFI_OUT_OF_RESOURCES;\r | |
2764 | goto Done;\r | |
2765 | }\r | |
2766 | StrCpy (*ConfigHdr, GuidStr);\r | |
2767 | StrCat (*ConfigHdr, NameStr);\r | |
2768 | if (VarStorageData->Name == NULL) {\r | |
2769 | StrCat (*ConfigHdr, L"&");\r | |
2770 | }\r | |
2771 | StrCat (*ConfigHdr, PathStr);\r | |
2772 | \r | |
2773 | //\r | |
2774 | // Remove the last character L'&'\r | |
2775 | //\r | |
2776 | *(*ConfigHdr + StrLen (*ConfigHdr) - 1) = L'\0';\r | |
2777 | \r | |
2778 | Done:\r | |
2779 | if (GuidStr != NULL) {\r | |
2780 | FreePool (GuidStr);\r | |
2781 | }\r | |
2782 | \r | |
2783 | if (NameStr != NULL) {\r | |
2784 | FreePool (NameStr);\r | |
2785 | }\r | |
2786 | \r | |
2787 | if (PathStr != NULL) {\r | |
2788 | FreePool (PathStr);\r | |
2789 | }\r | |
2790 | \r | |
2791 | return Status;\r | |
2792 | }\r | |
2793 | \r | |
2794 | /**\r | |
2795 | Get Data buffer size based on data type.\r | |
2796 | \r | |
2797 | @param ValueType The input data type.\r | |
2798 | \r | |
2799 | @retval The data buffer size for the input type.\r | |
2800 | **/\r | |
2801 | UINT16\r | |
2802 | GetStorageWidth (\r | |
2803 | IN UINT8 ValueType\r | |
2804 | )\r | |
2805 | {\r | |
2806 | UINT16 StorageWidth;\r | |
2807 | \r | |
2808 | switch (ValueType) {\r | |
2809 | case EFI_IFR_NUMERIC_SIZE_1:\r | |
2810 | case EFI_IFR_TYPE_BOOLEAN:\r | |
2811 | StorageWidth = (UINT16) sizeof (UINT8);\r | |
2812 | break;\r | |
2813 | \r | |
2814 | case EFI_IFR_NUMERIC_SIZE_2:\r | |
2815 | StorageWidth = (UINT16) sizeof (UINT16);\r | |
2816 | break;\r | |
2817 | \r | |
2818 | case EFI_IFR_NUMERIC_SIZE_4:\r | |
2819 | StorageWidth = (UINT16) sizeof (UINT32);\r | |
2820 | break;\r | |
2821 | \r | |
2822 | case EFI_IFR_NUMERIC_SIZE_8:\r | |
2823 | StorageWidth = (UINT16) sizeof (UINT64);\r | |
2824 | break;\r | |
2825 | \r | |
2826 | case EFI_IFR_TYPE_TIME:\r | |
2827 | StorageWidth = (UINT16) sizeof (EFI_IFR_TIME);\r | |
2828 | break;\r | |
2829 | \r | |
2830 | case EFI_IFR_TYPE_DATE:\r | |
2831 | StorageWidth = (UINT16) sizeof (EFI_IFR_DATE);\r | |
2832 | break;\r | |
2833 | \r | |
2834 | default:\r | |
2835 | StorageWidth = 0;\r | |
2836 | break;\r | |
2837 | }\r | |
2838 | \r | |
2839 | return StorageWidth;\r | |
2840 | }\r | |
2841 | \r | |
2842 | /**\r | |
2843 | Generate ConfigAltResp string base on the varstore info.\r | |
2844 | \r | |
2845 | @param ConfigHdr The config header for this varstore.\r | |
2846 | @param VarStorageData The varstore info.\r | |
2847 | @param DefaultIdArray The Default id array.\r | |
2848 | @param DefaultAltCfgResp The DefaultAltCfgResp info may be return.\r | |
2849 | \r | |
2850 | @retval TRUE Need to continue\r | |
2851 | @retval Others NO need to continue or error occur.\r | |
2852 | **/\r | |
2853 | EFI_STATUS\r | |
2854 | GenerateAltConfigResp (\r | |
2855 | IN CHAR16 *ConfigHdr,\r | |
2856 | IN IFR_VARSTORAGE_DATA *VarStorageData,\r | |
2857 | IN IFR_DEFAULT_DATA *DefaultIdArray,\r | |
2858 | IN OUT EFI_STRING *DefaultAltCfgResp\r | |
2859 | )\r | |
2860 | {\r | |
2861 | BOOLEAN DataExist;\r | |
2862 | UINTN Length;\r | |
2863 | LIST_ENTRY *Link;\r | |
2864 | LIST_ENTRY *LinkData;\r | |
2865 | LIST_ENTRY *LinkDefault;\r | |
2866 | LIST_ENTRY *ListEntry;\r | |
2867 | CHAR16 *StringPtr;\r | |
2868 | IFR_BLOCK_DATA *BlockData;\r | |
2869 | IFR_DEFAULT_DATA *DefaultId;\r | |
2870 | IFR_DEFAULT_DATA *DefaultValueData;\r | |
2871 | UINTN Width;\r | |
2872 | UINT8 *TmpBuffer;\r | |
2873 | \r | |
2874 | BlockData = NULL;\r | |
2875 | DataExist = FALSE;\r | |
2876 | \r | |
2877 | //\r | |
2878 | // Add length for <ConfigHdr> + '\0'\r | |
2879 | //\r | |
2880 | Length = StrLen (ConfigHdr) + 1;\r | |
2881 | \r | |
2882 | for (Link = DefaultIdArray->Entry.ForwardLink; Link != &DefaultIdArray->Entry; Link = Link->ForwardLink) {\r | |
2883 | DefaultId = BASE_CR (Link, IFR_DEFAULT_DATA, Entry);\r | |
2884 | //\r | |
2885 | // Add length for "&<ConfigHdr>&ALTCFG=XXXX"\r | |
2886 | // |1| StrLen (ConfigHdr) | 8 | 4 |\r | |
2887 | //\r | |
2888 | Length += (1 + StrLen (ConfigHdr) + 8 + 4);\r | |
2889 | \r | |
2890 | for (LinkData = VarStorageData->BlockEntry.ForwardLink; LinkData != &VarStorageData->BlockEntry; LinkData = LinkData->ForwardLink) {\r | |
2891 | BlockData = BASE_CR (LinkData, IFR_BLOCK_DATA, Entry);\r | |
2892 | ListEntry = &BlockData->DefaultValueEntry;\r | |
2893 | for (LinkDefault = ListEntry->ForwardLink; LinkDefault != ListEntry; LinkDefault = LinkDefault->ForwardLink) {\r | |
2894 | DefaultValueData = BASE_CR (LinkDefault, IFR_DEFAULT_DATA, Entry);\r | |
2895 | if (DefaultValueData->DefaultId != DefaultId->DefaultId) {\r | |
2896 | continue;\r | |
2897 | }\r | |
2898 | if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) {\r | |
2899 | //\r | |
2900 | // Add length for "&Name1=zzzzzzzzzzzz"\r | |
2901 | // |1|Name|1|Value|\r | |
2902 | //\r | |
2903 | Length += (1 + StrLen (BlockData->Name) + 1 + BlockData->Width * 2);\r | |
2904 | } else {\r | |
2905 | //\r | |
2906 | // Add length for "&OFFSET=XXXX&WIDTH=YYYY&VALUE=zzzzzzzzzzzz"\r | |
2907 | // | 8 | 4 | 7 | 4 | 7 | Width * 2 |\r | |
2908 | //\r | |
2909 | Length += (8 + 4 + 7 + 4 + 7 + BlockData->Width * 2);\r | |
2910 | }\r | |
2911 | DataExist = TRUE;\r | |
2912 | }\r | |
2913 | }\r | |
2914 | }\r | |
2915 | \r | |
2916 | //\r | |
2917 | // No default value is found. The default string doesn't exist.\r | |
2918 | //\r | |
2919 | if (!DataExist) {\r | |
2920 | return EFI_SUCCESS;\r | |
2921 | }\r | |
2922 | \r | |
2923 | //\r | |
2924 | // Allocate buffer for the entire <DefaultAltCfgResp>\r | |
2925 | //\r | |
2926 | *DefaultAltCfgResp = AllocateZeroPool (Length * sizeof (CHAR16));\r | |
2927 | if (*DefaultAltCfgResp == NULL) {\r | |
2928 | return EFI_OUT_OF_RESOURCES;\r | |
2929 | }\r | |
2930 | StringPtr = *DefaultAltCfgResp;\r | |
2931 | \r | |
2932 | //\r | |
2933 | // Start with <ConfigHdr>\r | |
2934 | //\r | |
2935 | StrCpy (StringPtr, ConfigHdr);\r | |
2936 | StringPtr += StrLen (StringPtr);\r | |
2937 | \r | |
2938 | for (Link = DefaultIdArray->Entry.ForwardLink; Link != &DefaultIdArray->Entry; Link = Link->ForwardLink) {\r | |
2939 | DefaultId = BASE_CR (Link, IFR_DEFAULT_DATA, Entry);\r | |
2940 | //\r | |
2941 | // Add <AltConfigHdr> of the form "&<ConfigHdr>&ALTCFG=XXXX\0"\r | |
2942 | // |1| StrLen (ConfigHdr) | 8 | 4 |\r | |
2943 | //\r | |
2944 | UnicodeSPrint (\r | |
2945 | StringPtr, \r | |
2946 | (1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16), \r | |
2947 | L"&%s&ALTCFG=%04X", \r | |
2948 | ConfigHdr, \r | |
2949 | DefaultId->DefaultId\r | |
2950 | );\r | |
2951 | StringPtr += StrLen (StringPtr);\r | |
2952 | \r | |
2953 | for (LinkData = VarStorageData->BlockEntry.ForwardLink; LinkData != &VarStorageData->BlockEntry; LinkData = LinkData->ForwardLink) {\r | |
2954 | BlockData = BASE_CR (LinkData, IFR_BLOCK_DATA, Entry);\r | |
2955 | ListEntry = &BlockData->DefaultValueEntry;\r | |
2956 | for (LinkDefault = ListEntry->ForwardLink; LinkDefault != ListEntry; LinkDefault = LinkDefault->ForwardLink) {\r | |
2957 | DefaultValueData = BASE_CR (LinkDefault, IFR_DEFAULT_DATA, Entry);\r | |
2958 | if (DefaultValueData->DefaultId != DefaultId->DefaultId) {\r | |
2959 | continue;\r | |
2960 | }\r | |
2961 | if (VarStorageData->Type == EFI_HII_VARSTORE_NAME_VALUE) {\r | |
2962 | UnicodeSPrint (\r | |
2963 | StringPtr, \r | |
2964 | (1 + StrLen (ConfigHdr) + 1) * sizeof (CHAR16), \r | |
2965 | L"&%s=", \r | |
2966 | BlockData->Name\r | |
2967 | );\r | |
2968 | StringPtr += StrLen (StringPtr);\r | |
2969 | } else {\r | |
2970 | //\r | |
2971 | // Add <BlockConfig>\r | |
2972 | // <BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE'=<Number>\r | |
2973 | //\r | |
2974 | UnicodeSPrint (\r | |
2975 | StringPtr, \r | |
2976 | (8 + 4 + 7 + 4 + 7 + 1) * sizeof (CHAR16),\r | |
2977 | L"&OFFSET=%04X&WIDTH=%04X&VALUE=", \r | |
2978 | BlockData->Offset, \r | |
2979 | BlockData->Width\r | |
2980 | );\r | |
2981 | StringPtr += StrLen (StringPtr);\r | |
2982 | }\r | |
2983 | Width = BlockData->Width;\r | |
2984 | //\r | |
2985 | // Convert Value to a hex string in "%x" format\r | |
2986 | // NOTE: This is in the opposite byte that GUID and PATH use\r | |
2987 | //\r | |
2988 | TmpBuffer = (UINT8 *) &(DefaultValueData->Value);\r | |
2989 | for (; Width > 0; Width--) {\r | |
2990 | StringPtr += UnicodeValueToString (StringPtr, PREFIX_ZERO | RADIX_HEX, TmpBuffer[Width - 1], 2);\r | |
2991 | }\r | |
2992 | }\r | |
2993 | }\r | |
2994 | }\r | |
2995 | \r | |
2996 | HiiToLower (*DefaultAltCfgResp);\r | |
2997 | \r | |
2998 | return EFI_SUCCESS;\r | |
2999 | }\r | |
3000 | \r | |
3001 | /**\r | |
3002 | This function gets the full request string and full default value string by \r | |
3003 | parsing IFR data in HII form packages. \r | |
3004 | \r | |
3005 | When Request points to NULL string, the request string and default value string \r | |
3006 | for each varstore in form package will return. \r | |
3007 | \r | |
3008 | @param DataBaseRecord The DataBaseRecord instance contains the found Hii handle and package.\r | |
3009 | @param DevicePath Device Path which Hii Config Access Protocol is registered.\r | |
3010 | @param Request Pointer to a null-terminated Unicode string in\r | |
3011 | <ConfigRequest> format. When it doesn't contain\r | |
3012 | any RequestElement, it will be updated to return \r | |
3013 | the full RequestElement retrieved from IFR data.\r | |
3014 | If it points to NULL, the request string for the first\r | |
3015 | varstore in form package will be merged into a\r | |
3016 | <MultiConfigRequest> format string and return. \r | |
3017 | @param AltCfgResp Pointer to a null-terminated Unicode string in\r | |
3018 | <ConfigAltResp> format. When the pointer is to NULL,\r | |
3019 | the full default value string retrieved from IFR data\r | |
3020 | will return. When the pinter is to a string, the\r | |
3021 | full default value string retrieved from IFR data\r | |
3022 | will be merged into the input string and return.\r | |
3023 | When Request points to NULL, the default value string \r | |
3024 | for each varstore in form package will be merged into \r | |
3025 | a <MultiConfigAltResp> format string and return.\r | |
3026 | @param PointerProgress Optional parameter, it can be be NULL. \r | |
3027 | When it is not NULL, if Request is NULL, it returns NULL. \r | |
3028 | On return, points to a character in the Request\r | |
3029 | string. Points to the string's null terminator if\r | |
3030 | request was successful. Points to the most recent\r | |
3031 | & before the first failing name / value pair (or\r | |
3032 | the beginning of the string if the failure is in\r | |
3033 | the first name / value pair) if the request was\r | |
3034 | not successful.\r | |
3035 | @retval EFI_SUCCESS The Results string is set to the full request string.\r | |
3036 | And AltCfgResp contains all default value string.\r | |
3037 | @retval EFI_OUT_OF_RESOURCES Not enough memory for the return string.\r | |
3038 | @retval EFI_NOT_FOUND The varstore (Guid and Name) in Request string \r | |
3039 | can't be found in Form package.\r | |
3040 | @retval EFI_NOT_FOUND HiiPackage can't be got on the input HiiHandle.\r | |
3041 | @retval EFI_INVALID_PARAMETER Request points to NULL.\r | |
3042 | \r | |
3043 | **/\r | |
3044 | EFI_STATUS\r | |
3045 | EFIAPI\r | |
3046 | GetFullStringFromHiiFormPackages (\r | |
3047 | IN HII_DATABASE_RECORD *DataBaseRecord,\r | |
3048 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
3049 | IN OUT EFI_STRING *Request,\r | |
3050 | IN OUT EFI_STRING *AltCfgResp,\r | |
3051 | OUT EFI_STRING *PointerProgress OPTIONAL\r | |
3052 | )\r | |
3053 | {\r | |
3054 | EFI_STATUS Status;\r | |
3055 | UINT8 *HiiFormPackage;\r | |
3056 | UINTN PackageSize;\r | |
3057 | IFR_BLOCK_DATA *RequestBlockArray;\r | |
3058 | IFR_BLOCK_DATA *BlockData;\r | |
3059 | IFR_DEFAULT_DATA *DefaultValueData;\r | |
3060 | IFR_DEFAULT_DATA *DefaultId;\r | |
3061 | IFR_DEFAULT_DATA *DefaultIdArray;\r | |
3062 | IFR_VARSTORAGE_DATA *VarStorageData;\r | |
3063 | EFI_STRING DefaultAltCfgResp;\r | |
3064 | EFI_STRING ConfigHdr;\r | |
3065 | EFI_STRING StringPtr;\r | |
3066 | EFI_STRING Progress;\r | |
3067 | \r | |
3068 | if (DataBaseRecord == NULL || DevicePath == NULL || Request == NULL || AltCfgResp == NULL) {\r | |
3069 | return EFI_INVALID_PARAMETER;\r | |
3070 | }\r | |
3071 | \r | |
3072 | //\r | |
3073 | // Initialize the local variables.\r | |
3074 | //\r | |
3075 | RequestBlockArray = NULL;\r | |
3076 | DefaultIdArray = NULL;\r | |
3077 | VarStorageData = NULL;\r | |
3078 | DefaultAltCfgResp = NULL;\r | |
3079 | ConfigHdr = NULL;\r | |
3080 | HiiFormPackage = NULL;\r | |
3081 | PackageSize = 0;\r | |
3082 | Progress = *Request;\r | |
3083 | \r | |
3084 | Status = GetFormPackageData (DataBaseRecord, &HiiFormPackage, &PackageSize);\r | |
3085 | if (EFI_ERROR (Status)) {\r | |
3086 | return Status;\r | |
3087 | }\r | |
3088 | \r | |
3089 | //\r | |
3090 | // 1. Get the request block array by Request String when Request string containts the block array.\r | |
3091 | //\r | |
3092 | StringPtr = NULL;\r | |
3093 | if (*Request != NULL) {\r | |
3094 | StringPtr = *Request;\r | |
3095 | //\r | |
3096 | // Jump <ConfigHdr>\r | |
3097 | //\r | |
3098 | if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) {\r | |
3099 | Status = EFI_INVALID_PARAMETER;\r | |
3100 | goto Done;\r | |
3101 | }\r | |
3102 | StringPtr += StrLen (L"GUID=");\r | |
3103 | while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&NAME=", StrLen (L"&NAME=")) != 0) {\r | |
3104 | StringPtr++;\r | |
3105 | }\r | |
3106 | if (*StringPtr == L'\0') {\r | |
3107 | Status = EFI_INVALID_PARAMETER;\r | |
3108 | goto Done;\r | |
3109 | }\r | |
3110 | StringPtr += StrLen (L"&NAME=");\r | |
3111 | while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&PATH=", StrLen (L"&PATH=")) != 0) {\r | |
3112 | StringPtr++;\r | |
3113 | }\r | |
3114 | if (*StringPtr == L'\0') {\r | |
3115 | Status = EFI_INVALID_PARAMETER;\r | |
3116 | goto Done;\r | |
3117 | }\r | |
3118 | StringPtr += StrLen (L"&PATH=");\r | |
3119 | while (*StringPtr != L'\0' && *StringPtr != L'&') {\r | |
3120 | StringPtr ++;\r | |
3121 | }\r | |
3122 | \r | |
3123 | if (*StringPtr == L'\0') {\r | |
3124 | //\r | |
3125 | // No request block is found.\r | |
3126 | //\r | |
3127 | StringPtr = NULL;\r | |
3128 | }\r | |
3129 | }\r | |
3130 | \r | |
3131 | //\r | |
3132 | // If StringPtr != NULL, get the request elements.\r | |
3133 | //\r | |
3134 | if (StringPtr != NULL) {\r | |
3135 | if (StrStr (StringPtr, L"&OFFSET=") != NULL) {\r | |
3136 | RequestBlockArray = GetBlockElement(StringPtr, &Progress);\r | |
3137 | } else {\r | |
3138 | RequestBlockArray = GetNameElement(StringPtr, &Progress);\r | |
3139 | }\r | |
3140 | \r | |
3141 | if (RequestBlockArray == NULL) {\r | |
3142 | Status = EFI_INVALID_PARAMETER;\r | |
3143 | goto Done;\r | |
3144 | }\r | |
3145 | }\r | |
3146 | \r | |
3147 | //\r | |
3148 | // Initialize DefaultIdArray to store the map between DeaultId and DefaultName\r | |
3149 | //\r | |
3150 | DefaultIdArray = (IFR_DEFAULT_DATA *) AllocateZeroPool (sizeof (IFR_DEFAULT_DATA));\r | |
3151 | if (DefaultIdArray == NULL) {\r | |
3152 | Status = EFI_OUT_OF_RESOURCES;\r | |
3153 | goto Done;\r | |
3154 | }\r | |
3155 | InitializeListHead (&DefaultIdArray->Entry);\r | |
3156 | \r | |
3157 | //\r | |
3158 | // Initialize VarStorageData to store the var store Block and Default value information.\r | |
3159 | //\r | |
3160 | VarStorageData = (IFR_VARSTORAGE_DATA *) AllocateZeroPool (sizeof (IFR_VARSTORAGE_DATA));\r | |
3161 | if (VarStorageData == NULL) {\r | |
3162 | Status = EFI_OUT_OF_RESOURCES;\r | |
3163 | goto Done;\r | |
3164 | }\r | |
3165 | InitializeListHead (&VarStorageData->Entry);\r | |
3166 | InitializeListHead (&VarStorageData->BlockEntry);\r | |
3167 | \r | |
3168 | //\r | |
3169 | // 2. Parse FormPackage to get BlockArray and DefaultId Array for the request BlockArray.\r | |
3170 | //\r | |
3171 | \r | |
3172 | //\r | |
3173 | // Parse the opcode in form pacakge to get the default setting.\r | |
3174 | //\r | |
3175 | Status = ParseIfrData (DataBaseRecord->Handle,\r | |
3176 | HiiFormPackage,\r | |
3177 | (UINT32) PackageSize,\r | |
3178 | *Request,\r | |
3179 | RequestBlockArray,\r | |
3180 | VarStorageData,\r | |
3181 | DefaultIdArray);\r | |
3182 | if (EFI_ERROR (Status)) {\r | |
3183 | goto Done;\r | |
3184 | }\r | |
3185 | \r | |
3186 | //\r | |
3187 | // No requested varstore in IFR data and directly return\r | |
3188 | //\r | |
3189 | if (VarStorageData->Type == 0 && VarStorageData->Name == NULL) {\r | |
3190 | Status = EFI_SUCCESS;\r | |
3191 | goto Done;\r | |
3192 | }\r | |
3193 | \r | |
3194 | //\r | |
3195 | // 3. Construct Request Element (Block Name) for 2.1 and 2.2 case.\r | |
3196 | //\r | |
3197 | Status = GenerateHdr (VarStorageData, DevicePath, &ConfigHdr);\r | |
3198 | if (EFI_ERROR (Status)) {\r | |
3199 | goto Done;\r | |
3200 | }\r | |
3201 | \r | |
3202 | if (RequestBlockArray == NULL) {\r | |
3203 | if (!GenerateConfigRequest(ConfigHdr, VarStorageData, &Status, Request)) {\r | |
3204 | goto Done;\r | |
3205 | }\r | |
3206 | }\r | |
3207 | \r | |
3208 | //\r | |
3209 | // 4. Construct Default Value string in AltResp according to request element.\r | |
3210 | // Go through all VarStorageData Entry and get the DefaultId array for each one\r | |
3211 | // Then construct them all to : ConfigHdr AltConfigHdr ConfigBody AltConfigHdr ConfigBody\r | |
3212 | //\r | |
3213 | Status = GenerateAltConfigResp (ConfigHdr, VarStorageData, DefaultIdArray, &DefaultAltCfgResp);\r | |
3214 | if (EFI_ERROR (Status)) {\r | |
3215 | goto Done;\r | |
3216 | }\r | |
3217 | \r | |
3218 | //\r | |
3219 | // 5. Merge string into the input AltCfgResp if the iput *AltCfgResp is not NULL.\r | |
3220 | //\r | |
3221 | if (*AltCfgResp != NULL && DefaultAltCfgResp != NULL) {\r | |
3222 | Status = MergeDefaultString (AltCfgResp, DefaultAltCfgResp);\r | |
3223 | FreePool (DefaultAltCfgResp);\r | |
3224 | } else if (*AltCfgResp == NULL) {\r | |
3225 | *AltCfgResp = DefaultAltCfgResp;\r | |
3226 | }\r | |
3227 | \r | |
3228 | Done:\r | |
3229 | if (RequestBlockArray != NULL) {\r | |
3230 | //\r | |
3231 | // Free Link Array RequestBlockArray\r | |
3232 | //\r | |
3233 | while (!IsListEmpty (&RequestBlockArray->Entry)) {\r | |
3234 | BlockData = BASE_CR (RequestBlockArray->Entry.ForwardLink, IFR_BLOCK_DATA, Entry);\r | |
3235 | RemoveEntryList (&BlockData->Entry);\r | |
3236 | if (BlockData->Name != NULL) {\r | |
3237 | FreePool (BlockData->Name);\r | |
3238 | }\r | |
3239 | FreePool (BlockData);\r | |
3240 | }\r | |
3241 | \r | |
3242 | FreePool (RequestBlockArray);\r | |
3243 | }\r | |
3244 | \r | |
3245 | if (VarStorageData != NULL) {\r | |
3246 | //\r | |
3247 | // Free link array VarStorageData\r | |
3248 | //\r | |
3249 | while (!IsListEmpty (&VarStorageData->BlockEntry)) {\r | |
3250 | BlockData = BASE_CR (VarStorageData->BlockEntry.ForwardLink, IFR_BLOCK_DATA, Entry);\r | |
3251 | RemoveEntryList (&BlockData->Entry);\r | |
3252 | if (BlockData->Name != NULL) {\r | |
3253 | FreePool (BlockData->Name);\r | |
3254 | }\r | |
3255 | //\r | |
3256 | // Free default value link array\r | |
3257 | //\r | |
3258 | while (!IsListEmpty (&BlockData->DefaultValueEntry)) {\r | |
3259 | DefaultValueData = BASE_CR (BlockData->DefaultValueEntry.ForwardLink, IFR_DEFAULT_DATA, Entry);\r | |
3260 | RemoveEntryList (&DefaultValueData->Entry);\r | |
3261 | FreePool (DefaultValueData);\r | |
3262 | }\r | |
3263 | FreePool (BlockData);\r | |
3264 | }\r | |
3265 | FreePool (VarStorageData);\r | |
3266 | }\r | |
3267 | \r | |
3268 | if (DefaultIdArray != NULL) {\r | |
3269 | //\r | |
3270 | // Free DefaultId Array\r | |
3271 | //\r | |
3272 | while (!IsListEmpty (&DefaultIdArray->Entry)) {\r | |
3273 | DefaultId = BASE_CR (DefaultIdArray->Entry.ForwardLink, IFR_DEFAULT_DATA, Entry);\r | |
3274 | RemoveEntryList (&DefaultId->Entry);\r | |
3275 | FreePool (DefaultId);\r | |
3276 | }\r | |
3277 | FreePool (DefaultIdArray);\r | |
3278 | }\r | |
3279 | \r | |
3280 | //\r | |
3281 | // Free the allocated string \r | |
3282 | //\r | |
3283 | if (ConfigHdr != NULL) {\r | |
3284 | FreePool (ConfigHdr);\r | |
3285 | }\r | |
3286 | \r | |
3287 | //\r | |
3288 | // Free Pacakge data\r | |
3289 | //\r | |
3290 | if (HiiFormPackage != NULL) {\r | |
3291 | FreePool (HiiFormPackage);\r | |
3292 | }\r | |
3293 | \r | |
3294 | if (PointerProgress != NULL) {\r | |
3295 | if (*Request == NULL) {\r | |
3296 | *PointerProgress = NULL;\r | |
3297 | } else if (EFI_ERROR (Status)) {\r | |
3298 | *PointerProgress = *Request;\r | |
3299 | } else {\r | |
3300 | *PointerProgress = *Request + StrLen (*Request);\r | |
3301 | }\r | |
3302 | }\r | |
3303 | \r | |
3304 | return Status;\r | |
3305 | }\r | |
3306 | \r | |
3307 | /**\r | |
3308 | This function gets the full request resp string by \r | |
3309 | parsing IFR data in HII form packages.\r | |
3310 | \r | |
3311 | @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL\r | |
3312 | instance.\r | |
3313 | @param EfiVarStoreInfo The efi varstore info which is save in the EFI \r | |
3314 | varstore data structure. \r | |
3315 | @param Request Pointer to a null-terminated Unicode string in\r | |
3316 | <ConfigRequest> format.\r | |
3317 | @param RequestResp Pointer to a null-terminated Unicode string in\r | |
3318 | <ConfigResp> format.\r | |
3319 | @param AccessProgress On return, points to a character in the Request\r | |
3320 | string. Points to the string's null terminator if\r | |
3321 | request was successful. Points to the most recent\r | |
3322 | & before the first failing name / value pair (or\r | |
3323 | the beginning of the string if the failure is in\r | |
3324 | the first name / value pair) if the request was\r | |
3325 | not successful.\r | |
3326 | \r | |
3327 | @retval EFI_SUCCESS The Results string is set to the full request string.\r | |
3328 | And AltCfgResp contains all default value string.\r | |
3329 | @retval EFI_OUT_OF_RESOURCES Not enough memory for the return string.\r | |
3330 | @retval EFI_INVALID_PARAMETER Request points to NULL.\r | |
3331 | \r | |
3332 | **/\r | |
3333 | EFI_STATUS\r | |
3334 | GetConfigRespFromEfiVarStore (\r | |
3335 | IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This,\r | |
3336 | IN EFI_IFR_VARSTORE_EFI *EfiVarStoreInfo, \r | |
3337 | IN EFI_STRING Request,\r | |
3338 | OUT EFI_STRING *RequestResp,\r | |
3339 | OUT EFI_STRING *AccessProgress\r | |
3340 | )\r | |
3341 | {\r | |
3342 | EFI_STATUS Status;\r | |
3343 | EFI_STRING VarStoreName;\r | |
3344 | UINT8 *VarStore;\r | |
3345 | UINTN BufferSize;\r | |
3346 | \r | |
3347 | Status = EFI_SUCCESS;\r | |
3348 | BufferSize = 0;\r | |
3349 | VarStore = NULL;\r | |
3350 | VarStoreName = NULL;\r | |
3351 | *AccessProgress = Request;\r | |
3352 | \r | |
3353 | VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)EfiVarStoreInfo->Name) * sizeof (CHAR16));\r | |
3354 | if (VarStoreName == NULL) {\r | |
3355 | Status = EFI_OUT_OF_RESOURCES;\r | |
3356 | goto Done;\r | |
3357 | }\r | |
3358 | AsciiStrToUnicodeStr ((CHAR8 *) EfiVarStoreInfo->Name, VarStoreName);\r | |
3359 | \r | |
3360 | \r | |
3361 | Status = gRT->GetVariable (VarStoreName, &EfiVarStoreInfo->Guid, NULL, &BufferSize, NULL);\r | |
3362 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
3363 | goto Done;\r | |
3364 | }\r | |
3365 | \r | |
3366 | VarStore = AllocateZeroPool (BufferSize);\r | |
3367 | ASSERT (VarStore != NULL);\r | |
3368 | Status = gRT->GetVariable (VarStoreName, &EfiVarStoreInfo->Guid, NULL, &BufferSize, VarStore);\r | |
3369 | if (EFI_ERROR (Status)) {\r | |
3370 | goto Done;\r | |
3371 | }\r | |
3372 | \r | |
3373 | Status = HiiBlockToConfig(This, Request, VarStore, BufferSize, RequestResp, AccessProgress);\r | |
3374 | if (EFI_ERROR (Status)) {\r | |
3375 | goto Done;\r | |
3376 | }\r | |
3377 | \r | |
3378 | Done:\r | |
3379 | if (VarStoreName != NULL) {\r | |
3380 | FreePool (VarStoreName);\r | |
3381 | }\r | |
3382 | \r | |
3383 | if (VarStore != NULL) {\r | |
3384 | FreePool (VarStore);\r | |
3385 | }\r | |
3386 | \r | |
3387 | return Status;\r | |
3388 | }\r | |
3389 | \r | |
3390 | \r | |
3391 | /**\r | |
3392 | This function route the full request resp string for efi varstore. \r | |
3393 | \r | |
3394 | @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL\r | |
3395 | instance.\r | |
3396 | @param EfiVarStoreInfo The efi varstore info which is save in the EFI \r | |
3397 | varstore data structure. \r | |
3398 | @param RequestResp Pointer to a null-terminated Unicode string in\r | |
3399 | <ConfigResp> format.\r | |
3400 | @param Result Pointer to a null-terminated Unicode string in\r | |
3401 | <ConfigResp> format.\r | |
3402 | \r | |
3403 | @retval EFI_SUCCESS The Results string is set to the full request string.\r | |
3404 | And AltCfgResp contains all default value string.\r | |
3405 | @retval EFI_OUT_OF_RESOURCES Not enough memory for the return string.\r | |
3406 | @retval EFI_INVALID_PARAMETER Request points to NULL.\r | |
3407 | \r | |
3408 | **/\r | |
3409 | EFI_STATUS\r | |
3410 | RouteConfigRespForEfiVarStore (\r | |
3411 | IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This,\r | |
3412 | IN EFI_IFR_VARSTORE_EFI *EfiVarStoreInfo, \r | |
3413 | IN EFI_STRING RequestResp,\r | |
3414 | OUT EFI_STRING *Result\r | |
3415 | )\r | |
3416 | {\r | |
3417 | EFI_STATUS Status;\r | |
3418 | EFI_STRING VarStoreName;\r | |
3419 | UINT8 *VarStore;\r | |
3420 | UINTN BufferSize;\r | |
3421 | UINTN BlockSize;\r | |
3422 | \r | |
3423 | Status = EFI_SUCCESS;\r | |
3424 | BufferSize = 0;\r | |
3425 | VarStore = NULL;\r | |
3426 | VarStoreName = NULL;\r | |
3427 | \r | |
3428 | VarStoreName = AllocateZeroPool (AsciiStrSize ((CHAR8 *)EfiVarStoreInfo->Name) * sizeof (CHAR16));\r | |
3429 | if (VarStoreName == NULL) {\r | |
3430 | Status = EFI_OUT_OF_RESOURCES;\r | |
3431 | goto Done;\r | |
3432 | }\r | |
3433 | AsciiStrToUnicodeStr ((CHAR8 *) EfiVarStoreInfo->Name, VarStoreName);\r | |
3434 | \r | |
3435 | Status = gRT->GetVariable (VarStoreName, &EfiVarStoreInfo->Guid, NULL, &BufferSize, NULL);\r | |
3436 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
3437 | goto Done;\r | |
3438 | }\r | |
3439 | \r | |
3440 | BlockSize = BufferSize;\r | |
3441 | VarStore = AllocateZeroPool (BufferSize);\r | |
3442 | ASSERT (VarStore != NULL);\r | |
3443 | Status = gRT->GetVariable (VarStoreName, &EfiVarStoreInfo->Guid, NULL, &BufferSize, VarStore);\r | |
3444 | if (EFI_ERROR (Status)) {\r | |
3445 | goto Done;\r | |
3446 | }\r | |
3447 | \r | |
3448 | Status = HiiConfigToBlock(This, RequestResp, VarStore, &BlockSize, Result);\r | |
3449 | if (EFI_ERROR (Status)) {\r | |
3450 | goto Done;\r | |
3451 | }\r | |
3452 | \r | |
3453 | Status = gRT->SetVariable (VarStoreName, &EfiVarStoreInfo->Guid, EfiVarStoreInfo->Attributes, BufferSize, VarStore);\r | |
3454 | if (EFI_ERROR (Status)) {\r | |
3455 | goto Done;\r | |
3456 | }\r | |
3457 | \r | |
3458 | Done:\r | |
3459 | if (VarStoreName != NULL) {\r | |
3460 | FreePool (VarStoreName);\r | |
3461 | }\r | |
3462 | \r | |
3463 | if (VarStore != NULL) {\r | |
3464 | FreePool (VarStore);\r | |
3465 | }\r | |
3466 | \r | |
3467 | return Status;\r | |
3468 | }\r | |
3469 | \r | |
3470 | /**\r | |
3471 | Validate the config request elements.\r | |
3472 | \r | |
3473 | @param ConfigElements A null-terminated Unicode string in <ConfigRequest> format, \r | |
3474 | without configHdr field.\r | |
3475 | \r | |
3476 | @retval CHAR16 * THE first Name/value pair not correct.\r | |
3477 | @retval NULL Success parse the name/value pair\r | |
3478 | **/\r | |
3479 | CHAR16 *\r | |
3480 | OffsetWidthValidate (\r | |
3481 | CHAR16 *ConfigElements\r | |
3482 | )\r | |
3483 | {\r | |
3484 | CHAR16 *StringPtr;\r | |
3485 | CHAR16 *RetVal;\r | |
3486 | \r | |
3487 | StringPtr = ConfigElements;\r | |
3488 | \r | |
3489 | while (1) {\r | |
3490 | RetVal = StringPtr;\r | |
3491 | if (StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) != 0) {\r | |
3492 | return RetVal;\r | |
3493 | }\r | |
3494 | \r | |
3495 | while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) {\r | |
3496 | StringPtr++;\r | |
3497 | }\r | |
3498 | if (*StringPtr == L'\0') {\r | |
3499 | return RetVal;\r | |
3500 | }\r | |
3501 | \r | |
3502 | StringPtr += StrLen (L"&WIDTH=");\r | |
3503 | while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) != 0) {\r | |
3504 | StringPtr ++;\r | |
3505 | }\r | |
3506 | \r | |
3507 | if (*StringPtr == L'\0') {\r | |
3508 | return NULL;\r | |
3509 | }\r | |
3510 | }\r | |
3511 | }\r | |
3512 | \r | |
3513 | /**\r | |
3514 | Validate the config request elements.\r | |
3515 | \r | |
3516 | @param ConfigElements A null-terminated Unicode string in <ConfigRequest> format, \r | |
3517 | without configHdr field.\r | |
3518 | \r | |
3519 | @retval CHAR16 * THE first Name/value pair not correct.\r | |
3520 | @retval NULL Success parse the name/value pair\r | |
3521 | \r | |
3522 | **/\r | |
3523 | CHAR16 *\r | |
3524 | NameValueValidate (\r | |
3525 | CHAR16 *ConfigElements\r | |
3526 | )\r | |
3527 | {\r | |
3528 | CHAR16 *StringPtr;\r | |
3529 | CHAR16 *RetVal;\r | |
3530 | \r | |
3531 | StringPtr = ConfigElements;\r | |
3532 | \r | |
3533 | while (1) {\r | |
3534 | RetVal = StringPtr;\r | |
3535 | if (*StringPtr != L'&') {\r | |
3536 | return RetVal;\r | |
3537 | }\r | |
3538 | StringPtr += 1;\r | |
3539 | \r | |
3540 | StringPtr = StrStr (StringPtr, L"&");\r | |
3541 | \r | |
3542 | if (StringPtr == NULL) {\r | |
3543 | return NULL;\r | |
3544 | }\r | |
3545 | }\r | |
3546 | }\r | |
3547 | \r | |
3548 | /**\r | |
3549 | Validate the config request string.\r | |
3550 | \r | |
3551 | @param ConfigRequest A null-terminated Unicode string in <ConfigRequest> format.\r | |
3552 | \r | |
3553 | @retval CHAR16 * THE first element not correct.\r | |
3554 | @retval NULL Success parse the name/value pair\r | |
3555 | \r | |
3556 | **/\r | |
3557 | CHAR16 *\r | |
3558 | ConfigRequestValidate (\r | |
3559 | CHAR16 *ConfigRequest\r | |
3560 | )\r | |
3561 | {\r | |
3562 | BOOLEAN HasNameField;\r | |
3563 | CHAR16 *StringPtr;\r | |
3564 | \r | |
3565 | HasNameField = TRUE;\r | |
3566 | StringPtr = ConfigRequest;\r | |
3567 | \r | |
3568 | //\r | |
3569 | // Check <ConfigHdr>\r | |
3570 | //\r | |
3571 | if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) {\r | |
3572 | return ConfigRequest;\r | |
3573 | }\r | |
3574 | StringPtr += StrLen (L"GUID=");\r | |
3575 | while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&NAME=", StrLen (L"&NAME=")) != 0) {\r | |
3576 | StringPtr++;\r | |
3577 | }\r | |
3578 | if (*StringPtr == L'\0') {\r | |
3579 | return ConfigRequest;\r | |
3580 | }\r | |
3581 | StringPtr += StrLen (L"&NAME=");\r | |
3582 | if (*StringPtr == L'&') {\r | |
3583 | HasNameField = FALSE;\r | |
3584 | }\r | |
3585 | while (*StringPtr != L'\0' && StrnCmp (StringPtr, L"&PATH=", StrLen (L"&PATH=")) != 0) {\r | |
3586 | StringPtr++;\r | |
3587 | }\r | |
3588 | if (*StringPtr == L'\0') {\r | |
3589 | return ConfigRequest;\r | |
3590 | }\r | |
3591 | StringPtr += StrLen (L"&PATH=");\r | |
3592 | while (*StringPtr != L'\0' && *StringPtr != L'&') {\r | |
3593 | StringPtr ++;\r | |
3594 | }\r | |
3595 | \r | |
3596 | if (*StringPtr == L'\0') {\r | |
3597 | return NULL;\r | |
3598 | }\r | |
3599 | \r | |
3600 | if (HasNameField) {\r | |
3601 | //\r | |
3602 | // Should be Buffer varstore, config request should be "OFFSET/Width" pairs.\r | |
3603 | //\r | |
3604 | return OffsetWidthValidate(StringPtr);\r | |
3605 | } else {\r | |
3606 | //\r | |
3607 | // Should be Name/Value varstore, config request should be "&name1&name2..." pairs.\r | |
3608 | //\r | |
3609 | return NameValueValidate(StringPtr);\r | |
3610 | }\r | |
3611 | }\r | |
3612 | \r | |
3613 | /**\r | |
3614 | This function allows a caller to extract the current configuration\r | |
3615 | for one or more named elements from one or more drivers.\r | |
3616 | \r | |
3617 | @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL\r | |
3618 | instance.\r | |
3619 | @param Request A null-terminated Unicode string in\r | |
3620 | <MultiConfigRequest> format.\r | |
3621 | @param Progress On return, points to a character in the Request\r | |
3622 | string. Points to the string's null terminator if\r | |
3623 | request was successful. Points to the most recent\r | |
3624 | & before the first failing name / value pair (or\r | |
3625 | the beginning of the string if the failure is in\r | |
3626 | the first name / value pair) if the request was\r | |
3627 | not successful.\r | |
3628 | @param Results Null-terminated Unicode string in\r | |
3629 | <MultiConfigAltResp> format which has all values\r | |
3630 | filled in for the names in the Request string.\r | |
3631 | String to be allocated by the called function.\r | |
3632 | \r | |
3633 | @retval EFI_SUCCESS The Results string is filled with the values\r | |
3634 | corresponding to all requested names.\r | |
3635 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the parts of the\r | |
3636 | results that must be stored awaiting possible\r | |
3637 | future protocols.\r | |
3638 | @retval EFI_NOT_FOUND Routing data doesn't match any known driver.\r | |
3639 | Progress set to the "G" in "GUID" of the routing\r | |
3640 | header that doesn't match. Note: There is no\r | |
3641 | requirement that all routing data be validated\r | |
3642 | before any configuration extraction.\r | |
3643 | @retval EFI_INVALID_PARAMETER For example, passing in a NULL for the Request\r | |
3644 | parameter would result in this type of error. The\r | |
3645 | Progress parameter is set to NULL.\r | |
3646 | @retval EFI_INVALID_PARAMETER Illegal syntax. Progress set to most recent &\r | |
3647 | before the error or the beginning of the string.\r | |
3648 | @retval EFI_INVALID_PARAMETER The ExtractConfig function of the underlying HII\r | |
3649 | Configuration Access Protocol returned \r | |
3650 | EFI_INVALID_PARAMETER. Progress set to most recent\r | |
3651 | & before the error or the beginning of the string.\r | |
3652 | \r | |
3653 | **/\r | |
3654 | EFI_STATUS\r | |
3655 | EFIAPI\r | |
3656 | HiiConfigRoutingExtractConfig (\r | |
3657 | IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This,\r | |
3658 | IN CONST EFI_STRING Request,\r | |
3659 | OUT EFI_STRING *Progress,\r | |
3660 | OUT EFI_STRING *Results\r | |
3661 | )\r | |
3662 | {\r | |
3663 | HII_DATABASE_PRIVATE_DATA *Private;\r | |
3664 | EFI_STRING StringPtr;\r | |
3665 | EFI_STRING ConfigRequest;\r | |
3666 | UINTN Length;\r | |
3667 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
3668 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
3669 | EFI_STATUS Status;\r | |
3670 | LIST_ENTRY *Link;\r | |
3671 | HII_DATABASE_RECORD *Database;\r | |
3672 | UINT8 *DevicePathPkg;\r | |
3673 | UINT8 *CurrentDevicePath;\r | |
3674 | EFI_HANDLE DriverHandle;\r | |
3675 | EFI_HII_HANDLE HiiHandle;\r | |
3676 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r | |
3677 | EFI_STRING AccessProgress;\r | |
3678 | EFI_STRING AccessResults;\r | |
3679 | EFI_STRING DefaultResults;\r | |
3680 | BOOLEAN FirstElement;\r | |
3681 | BOOLEAN IfrDataParsedFlag;\r | |
3682 | BOOLEAN IsEfiVarStore;\r | |
3683 | EFI_IFR_VARSTORE_EFI *EfiVarStoreInfo;\r | |
3684 | EFI_STRING ErrorPtr;\r | |
3685 | UINTN DevicePathSize;\r | |
3686 | \r | |
3687 | if (This == NULL || Progress == NULL || Results == NULL) {\r | |
3688 | return EFI_INVALID_PARAMETER;\r | |
3689 | }\r | |
3690 | \r | |
3691 | if (Request == NULL) {\r | |
3692 | *Progress = NULL;\r | |
3693 | return EFI_INVALID_PARAMETER;\r | |
3694 | }\r | |
3695 | \r | |
3696 | Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This);\r | |
3697 | StringPtr = Request;\r | |
3698 | *Progress = StringPtr;\r | |
3699 | DefaultResults = NULL;\r | |
3700 | ConfigRequest = NULL;\r | |
3701 | Status = EFI_SUCCESS;\r | |
3702 | AccessResults = NULL;\r | |
3703 | AccessProgress = NULL;\r | |
3704 | DevicePath = NULL;\r | |
3705 | IfrDataParsedFlag = FALSE;\r | |
3706 | IsEfiVarStore = FALSE;\r | |
3707 | EfiVarStoreInfo = NULL;\r | |
3708 | \r | |
3709 | //\r | |
3710 | // The first element of <MultiConfigRequest> should be\r | |
3711 | // <GuidHdr>, which is in 'GUID='<Guid> syntax.\r | |
3712 | //\r | |
3713 | if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) {\r | |
3714 | return EFI_INVALID_PARAMETER;\r | |
3715 | }\r | |
3716 | \r | |
3717 | FirstElement = TRUE;\r | |
3718 | \r | |
3719 | //\r | |
3720 | // Allocate a fix length of memory to store Results. Reallocate memory for\r | |
3721 | // Results if this fix length is insufficient.\r | |
3722 | //\r | |
3723 | *Results = (EFI_STRING) AllocateZeroPool (MAX_STRING_LENGTH);\r | |
3724 | if (*Results == NULL) {\r | |
3725 | return EFI_OUT_OF_RESOURCES;\r | |
3726 | }\r | |
3727 | \r | |
3728 | while (*StringPtr != 0 && StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) == 0) {\r | |
3729 | //\r | |
3730 | // If parsing error, set Progress to the beginning of the <MultiConfigRequest>\r | |
3731 | // or most recent & before the error.\r | |
3732 | //\r | |
3733 | if (StringPtr == Request) {\r | |
3734 | *Progress = StringPtr;\r | |
3735 | } else {\r | |
3736 | *Progress = StringPtr - 1;\r | |
3737 | }\r | |
3738 | \r | |
3739 | //\r | |
3740 | // Process each <ConfigRequest> of <MultiConfigRequest>\r | |
3741 | //\r | |
3742 | Length = CalculateConfigStringLen (StringPtr);\r | |
3743 | ConfigRequest = AllocateCopyPool ((Length + 1) * sizeof (CHAR16), StringPtr);\r | |
3744 | if (ConfigRequest == NULL) {\r | |
3745 | Status = EFI_OUT_OF_RESOURCES;\r | |
3746 | goto Done;\r | |
3747 | }\r | |
3748 | *(ConfigRequest + Length) = 0;\r | |
3749 | \r | |
3750 | //\r | |
3751 | // Get the UEFI device path\r | |
3752 | //\r | |
3753 | Status = GetDevicePath (ConfigRequest, (UINT8 **) &DevicePath);\r | |
3754 | if (EFI_ERROR (Status)) {\r | |
3755 | goto Done;\r | |
3756 | }\r | |
3757 | \r | |
3758 | //\r | |
3759 | // Find driver which matches the routing data.\r | |
3760 | //\r | |
3761 | DriverHandle = NULL;\r | |
3762 | HiiHandle = NULL;\r | |
3763 | Database = NULL;\r | |
3764 | for (Link = Private->DatabaseList.ForwardLink;\r | |
3765 | Link != &Private->DatabaseList;\r | |
3766 | Link = Link->ForwardLink\r | |
3767 | ) {\r | |
3768 | Database = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);\r | |
3769 | if ((DevicePathPkg = Database->PackageList->DevicePathPkg) != NULL) {\r | |
3770 | CurrentDevicePath = DevicePathPkg + sizeof (EFI_HII_PACKAGE_HEADER);\r | |
3771 | DevicePathSize = GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) CurrentDevicePath);\r | |
3772 | if ((CompareMem (DevicePath,CurrentDevicePath,DevicePathSize) == 0) && IsThisPackageList(Database, ConfigRequest)) {\r | |
3773 | DriverHandle = Database->DriverHandle;\r | |
3774 | HiiHandle = Database->Handle;\r | |
3775 | break;\r | |
3776 | }\r | |
3777 | }\r | |
3778 | }\r | |
3779 | \r | |
3780 | //\r | |
3781 | // Try to find driver handle by device path.\r | |
3782 | //\r | |
3783 | if (DriverHandle == NULL) {\r | |
3784 | TempDevicePath = DevicePath;\r | |
3785 | Status = gBS->LocateDevicePath (\r | |
3786 | &gEfiDevicePathProtocolGuid,\r | |
3787 | &TempDevicePath,\r | |
3788 | &DriverHandle\r | |
3789 | );\r | |
3790 | if (EFI_ERROR (Status) || (DriverHandle == NULL)) {\r | |
3791 | //\r | |
3792 | // Routing data does not match any known driver.\r | |
3793 | // Set Progress to the 'G' in "GUID" of the routing header.\r | |
3794 | //\r | |
3795 | *Progress = StringPtr;\r | |
3796 | Status = EFI_NOT_FOUND;\r | |
3797 | goto Done;\r | |
3798 | }\r | |
3799 | }\r | |
3800 | \r | |
3801 | //\r | |
3802 | // Validate ConfigRequest String.\r | |
3803 | //\r | |
3804 | ErrorPtr = ConfigRequestValidate(ConfigRequest);\r | |
3805 | if (ErrorPtr != NULL) {\r | |
3806 | *Progress = StrStr (StringPtr, ErrorPtr);\r | |
3807 | Status = EFI_INVALID_PARAMETER;\r | |
3808 | goto Done;\r | |
3809 | }\r | |
3810 | \r | |
3811 | //\r | |
3812 | // Check whether ConfigRequest contains request string.\r | |
3813 | //\r | |
3814 | IfrDataParsedFlag = FALSE;\r | |
3815 | if ((HiiHandle != NULL) && !GetElementsFromRequest(ConfigRequest)) {\r | |
3816 | //\r | |
3817 | // Get the full request string from IFR when HiiPackage is registered to HiiHandle \r | |
3818 | //\r | |
3819 | IfrDataParsedFlag = TRUE;\r | |
3820 | Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &ConfigRequest, &DefaultResults, &AccessProgress);\r | |
3821 | if (EFI_ERROR (Status)) {\r | |
3822 | //\r | |
3823 | // AccessProgress indicates the parsing progress on <ConfigRequest>.\r | |
3824 | // Map it to the progress on <MultiConfigRequest> then return it.\r | |
3825 | //\r | |
3826 | ASSERT (AccessProgress != NULL);\r | |
3827 | *Progress = StrStr (StringPtr, AccessProgress);\r | |
3828 | goto Done;\r | |
3829 | }\r | |
3830 | //\r | |
3831 | // Not any request block is found.\r | |
3832 | //\r | |
3833 | if (!GetElementsFromRequest(ConfigRequest)) {\r | |
3834 | AccessResults = AllocateCopyPool (StrSize (ConfigRequest), ConfigRequest);\r | |
3835 | goto NextConfigString;\r | |
3836 | }\r | |
3837 | }\r | |
3838 | \r | |
3839 | //\r | |
3840 | // Check whether this ConfigRequest is search from Efi varstore type storage.\r | |
3841 | //\r | |
3842 | Status = GetVarStoreType(Database, ConfigRequest, &IsEfiVarStore, &EfiVarStoreInfo);\r | |
3843 | if (EFI_ERROR (Status)) {\r | |
3844 | goto Done;\r | |
3845 | }\r | |
3846 | \r | |
3847 | if (IsEfiVarStore) {\r | |
3848 | //\r | |
3849 | // Call the GetVariable function to extract settings.\r | |
3850 | //\r | |
3851 | Status = GetConfigRespFromEfiVarStore(This, EfiVarStoreInfo, ConfigRequest, &AccessResults, &AccessProgress);\r | |
3852 | FreePool (EfiVarStoreInfo);\r | |
3853 | } else {\r | |
3854 | //\r | |
3855 | // Call corresponding ConfigAccess protocol to extract settings\r | |
3856 | //\r | |
3857 | Status = gBS->HandleProtocol (\r | |
3858 | DriverHandle,\r | |
3859 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3860 | (VOID **) &ConfigAccess\r | |
3861 | );\r | |
3862 | ASSERT_EFI_ERROR (Status);\r | |
3863 | \r | |
3864 | Status = ConfigAccess->ExtractConfig (\r | |
3865 | ConfigAccess,\r | |
3866 | ConfigRequest,\r | |
3867 | &AccessProgress,\r | |
3868 | &AccessResults\r | |
3869 | );\r | |
3870 | }\r | |
3871 | if (EFI_ERROR (Status)) {\r | |
3872 | //\r | |
3873 | // AccessProgress indicates the parsing progress on <ConfigRequest>.\r | |
3874 | // Map it to the progress on <MultiConfigRequest> then return it.\r | |
3875 | //\r | |
3876 | *Progress = StrStr (StringPtr, AccessProgress);\r | |
3877 | goto Done;\r | |
3878 | }\r | |
3879 | \r | |
3880 | //\r | |
3881 | // Attach this <ConfigAltResp> to a <MultiConfigAltResp>. There is a '&'\r | |
3882 | // which seperates the first <ConfigAltResp> and the following ones.\r | |
3883 | //\r | |
3884 | ASSERT (*AccessProgress == 0);\r | |
3885 | \r | |
3886 | //\r | |
3887 | // Update AccessResults by getting default setting from IFR when HiiPackage is registered to HiiHandle \r | |
3888 | //\r | |
3889 | if (!IfrDataParsedFlag && HiiHandle != NULL) {\r | |
3890 | Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &ConfigRequest, &DefaultResults, NULL);\r | |
3891 | ASSERT_EFI_ERROR (Status);\r | |
3892 | }\r | |
3893 | \r | |
3894 | FreePool (DevicePath);\r | |
3895 | DevicePath = NULL;\r | |
3896 | \r | |
3897 | if (DefaultResults != NULL) {\r | |
3898 | Status = MergeDefaultString (&AccessResults, DefaultResults);\r | |
3899 | ASSERT_EFI_ERROR (Status);\r | |
3900 | FreePool (DefaultResults);\r | |
3901 | DefaultResults = NULL;\r | |
3902 | }\r | |
3903 | \r | |
3904 | NextConfigString:\r | |
3905 | if (!FirstElement) {\r | |
3906 | Status = AppendToMultiString (Results, L"&");\r | |
3907 | ASSERT_EFI_ERROR (Status);\r | |
3908 | }\r | |
3909 | \r | |
3910 | Status = AppendToMultiString (Results, AccessResults);\r | |
3911 | ASSERT_EFI_ERROR (Status);\r | |
3912 | \r | |
3913 | FirstElement = FALSE;\r | |
3914 | \r | |
3915 | FreePool (AccessResults);\r | |
3916 | AccessResults = NULL;\r | |
3917 | FreePool (ConfigRequest);\r | |
3918 | ConfigRequest = NULL;\r | |
3919 | \r | |
3920 | //\r | |
3921 | // Go to next <ConfigRequest> (skip '&').\r | |
3922 | //\r | |
3923 | StringPtr += Length;\r | |
3924 | if (*StringPtr == 0) {\r | |
3925 | *Progress = StringPtr;\r | |
3926 | break;\r | |
3927 | }\r | |
3928 | \r | |
3929 | StringPtr++;\r | |
3930 | }\r | |
3931 | \r | |
3932 | Done:\r | |
3933 | if (EFI_ERROR (Status)) {\r | |
3934 | FreePool (*Results);\r | |
3935 | *Results = NULL;\r | |
3936 | }\r | |
3937 | \r | |
3938 | if (ConfigRequest != NULL) {\r | |
3939 | FreePool (ConfigRequest);\r | |
3940 | }\r | |
3941 | \r | |
3942 | if (AccessResults != NULL) {\r | |
3943 | FreePool (AccessResults);\r | |
3944 | }\r | |
3945 | \r | |
3946 | if (DefaultResults != NULL) {\r | |
3947 | FreePool (DefaultResults);\r | |
3948 | }\r | |
3949 | \r | |
3950 | if (DevicePath != NULL) {\r | |
3951 | FreePool (DevicePath);\r | |
3952 | } \r | |
3953 | \r | |
3954 | return Status;\r | |
3955 | }\r | |
3956 | \r | |
3957 | \r | |
3958 | /**\r | |
3959 | This function allows the caller to request the current configuration for the\r | |
3960 | entirety of the current HII database and returns the data in a\r | |
3961 | null-terminated Unicode string.\r | |
3962 | \r | |
3963 | @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL\r | |
3964 | instance.\r | |
3965 | @param Results Null-terminated Unicode string in\r | |
3966 | <MultiConfigAltResp> format which has all values\r | |
3967 | filled in for the entirety of the current HII \r | |
3968 | database. String to be allocated by the called \r | |
3969 | function. De-allocation is up to the caller.\r | |
3970 | \r | |
3971 | @retval EFI_SUCCESS The Results string is filled with the values\r | |
3972 | corresponding to all requested names.\r | |
3973 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the parts of the\r | |
3974 | results that must be stored awaiting possible\r | |
3975 | future protocols.\r | |
3976 | @retval EFI_INVALID_PARAMETER For example, passing in a NULL for the Results\r | |
3977 | parameter would result in this type of error.\r | |
3978 | \r | |
3979 | **/\r | |
3980 | EFI_STATUS\r | |
3981 | EFIAPI\r | |
3982 | HiiConfigRoutingExportConfig (\r | |
3983 | IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This,\r | |
3984 | OUT EFI_STRING *Results\r | |
3985 | )\r | |
3986 | {\r | |
3987 | EFI_STATUS Status;\r | |
3988 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r | |
3989 | EFI_STRING AccessResults;\r | |
3990 | EFI_STRING Progress;\r | |
3991 | EFI_STRING StringPtr;\r | |
3992 | EFI_STRING ConfigRequest;\r | |
3993 | UINTN Index;\r | |
3994 | EFI_HANDLE *ConfigAccessHandles;\r | |
3995 | UINTN NumberConfigAccessHandles;\r | |
3996 | BOOLEAN FirstElement;\r | |
3997 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
3998 | EFI_HII_HANDLE HiiHandle;\r | |
3999 | EFI_STRING DefaultResults;\r | |
4000 | HII_DATABASE_PRIVATE_DATA *Private;\r | |
4001 | LIST_ENTRY *Link;\r | |
4002 | HII_DATABASE_RECORD *Database;\r | |
4003 | UINT8 *DevicePathPkg;\r | |
4004 | UINT8 *CurrentDevicePath;\r | |
4005 | BOOLEAN IfrDataParsedFlag;\r | |
4006 | \r | |
4007 | if (This == NULL || Results == NULL) {\r | |
4008 | return EFI_INVALID_PARAMETER;\r | |
4009 | }\r | |
4010 | \r | |
4011 | Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This);\r | |
4012 | \r | |
4013 | //\r | |
4014 | // Allocate a fix length of memory to store Results. Reallocate memory for\r | |
4015 | // Results if this fix length is insufficient.\r | |
4016 | //\r | |
4017 | *Results = (EFI_STRING) AllocateZeroPool (MAX_STRING_LENGTH);\r | |
4018 | if (*Results == NULL) {\r | |
4019 | return EFI_OUT_OF_RESOURCES;\r | |
4020 | }\r | |
4021 | \r | |
4022 | NumberConfigAccessHandles = 0;\r | |
4023 | Status = gBS->LocateHandleBuffer (\r | |
4024 | ByProtocol,\r | |
4025 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4026 | NULL,\r | |
4027 | &NumberConfigAccessHandles,\r | |
4028 | &ConfigAccessHandles\r | |
4029 | );\r | |
4030 | if (EFI_ERROR (Status)) {\r | |
4031 | return Status;\r | |
4032 | }\r | |
4033 | \r | |
4034 | FirstElement = TRUE;\r | |
4035 | \r | |
4036 | for (Index = 0; Index < NumberConfigAccessHandles; Index++) {\r | |
4037 | Status = gBS->HandleProtocol (\r | |
4038 | ConfigAccessHandles[Index],\r | |
4039 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4040 | (VOID **) &ConfigAccess\r | |
4041 | );\r | |
4042 | if (EFI_ERROR (Status)) {\r | |
4043 | continue;\r | |
4044 | }\r | |
4045 | \r | |
4046 | //\r | |
4047 | // Get DevicePath and HiiHandle for this ConfigAccess driver handle\r | |
4048 | //\r | |
4049 | IfrDataParsedFlag = FALSE;\r | |
4050 | Progress = NULL;\r | |
4051 | HiiHandle = NULL;\r | |
4052 | DefaultResults = NULL;\r | |
4053 | Database = NULL;\r | |
4054 | ConfigRequest = NULL;\r | |
4055 | DevicePath = DevicePathFromHandle (ConfigAccessHandles[Index]);\r | |
4056 | if (DevicePath != NULL) {\r | |
4057 | for (Link = Private->DatabaseList.ForwardLink;\r | |
4058 | Link != &Private->DatabaseList;\r | |
4059 | Link = Link->ForwardLink\r | |
4060 | ) {\r | |
4061 | Database = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);\r | |
4062 | if ((DevicePathPkg = Database->PackageList->DevicePathPkg) != NULL) {\r | |
4063 | CurrentDevicePath = DevicePathPkg + sizeof (EFI_HII_PACKAGE_HEADER);\r | |
4064 | if (CompareMem (\r | |
4065 | DevicePath,\r | |
4066 | CurrentDevicePath,\r | |
4067 | GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) CurrentDevicePath)\r | |
4068 | ) == 0) {\r | |
4069 | HiiHandle = Database->Handle;\r | |
4070 | break;\r | |
4071 | }\r | |
4072 | }\r | |
4073 | }\r | |
4074 | }\r | |
4075 | \r | |
4076 | Status = ConfigAccess->ExtractConfig (\r | |
4077 | ConfigAccess,\r | |
4078 | NULL,\r | |
4079 | &Progress,\r | |
4080 | &AccessResults\r | |
4081 | );\r | |
4082 | if (EFI_ERROR (Status)) {\r | |
4083 | //\r | |
4084 | // Update AccessResults by getting default setting from IFR when HiiPackage is registered to HiiHandle \r | |
4085 | //\r | |
4086 | if (HiiHandle != NULL && DevicePath != NULL) {\r | |
4087 | IfrDataParsedFlag = TRUE;\r | |
4088 | Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &ConfigRequest, &DefaultResults, NULL);\r | |
4089 | //\r | |
4090 | // Get the full request string to get the Current setting again.\r | |
4091 | //\r | |
4092 | if (!EFI_ERROR (Status) && ConfigRequest != NULL) {\r | |
4093 | Status = ConfigAccess->ExtractConfig (\r | |
4094 | ConfigAccess,\r | |
4095 | ConfigRequest,\r | |
4096 | &Progress,\r | |
4097 | &AccessResults\r | |
4098 | );\r | |
4099 | FreePool (ConfigRequest);\r | |
4100 | } else {\r | |
4101 | Status = EFI_NOT_FOUND;\r | |
4102 | }\r | |
4103 | }\r | |
4104 | }\r | |
4105 | \r | |
4106 | if (!EFI_ERROR (Status)) {\r | |
4107 | //\r | |
4108 | // Update AccessResults by getting default setting from IFR when HiiPackage is registered to HiiHandle \r | |
4109 | //\r | |
4110 | if (!IfrDataParsedFlag && HiiHandle != NULL && DevicePath != NULL) {\r | |
4111 | StringPtr = StrStr (AccessResults, L"&GUID=");\r | |
4112 | if (StringPtr != NULL) {\r | |
4113 | *StringPtr = 0;\r | |
4114 | }\r | |
4115 | if (GetElementsFromRequest (AccessResults)) {\r | |
4116 | Status = GetFullStringFromHiiFormPackages (Database, DevicePath, &AccessResults, &DefaultResults, NULL);\r | |
4117 | ASSERT_EFI_ERROR (Status);\r | |
4118 | }\r | |
4119 | if (StringPtr != NULL) {\r | |
4120 | *StringPtr = L'&';\r | |
4121 | }\r | |
4122 | }\r | |
4123 | //\r | |
4124 | // Merge the default sting from IFR code into the got setting from driver.\r | |
4125 | //\r | |
4126 | if (DefaultResults != NULL) {\r | |
4127 | Status = MergeDefaultString (&AccessResults, DefaultResults);\r | |
4128 | ASSERT_EFI_ERROR (Status);\r | |
4129 | FreePool (DefaultResults);\r | |
4130 | DefaultResults = NULL;\r | |
4131 | }\r | |
4132 | \r | |
4133 | //\r | |
4134 | // Attach this <ConfigAltResp> to a <MultiConfigAltResp>. There is a '&'\r | |
4135 | // which seperates the first <ConfigAltResp> and the following ones. \r | |
4136 | //\r | |
4137 | if (!FirstElement) {\r | |
4138 | Status = AppendToMultiString (Results, L"&");\r | |
4139 | ASSERT_EFI_ERROR (Status);\r | |
4140 | }\r | |
4141 | \r | |
4142 | Status = AppendToMultiString (Results, AccessResults);\r | |
4143 | ASSERT_EFI_ERROR (Status);\r | |
4144 | \r | |
4145 | FirstElement = FALSE;\r | |
4146 | \r | |
4147 | FreePool (AccessResults);\r | |
4148 | AccessResults = NULL;\r | |
4149 | }\r | |
4150 | }\r | |
4151 | FreePool (ConfigAccessHandles);\r | |
4152 | \r | |
4153 | return EFI_SUCCESS; \r | |
4154 | }\r | |
4155 | \r | |
4156 | \r | |
4157 | /**\r | |
4158 | This function processes the results of processing forms and routes it to the\r | |
4159 | appropriate handlers or storage.\r | |
4160 | \r | |
4161 | @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL\r | |
4162 | instance.\r | |
4163 | @param Configuration A null-terminated Unicode string in\r | |
4164 | <MulltiConfigResp> format.\r | |
4165 | @param Progress A pointer to a string filled in with the offset of\r | |
4166 | the most recent & before the first failing name /\r | |
4167 | value pair (or the beginning of the string if the\r | |
4168 | failure is in the first name / value pair) or the\r | |
4169 | terminating NULL if all was successful.\r | |
4170 | \r | |
4171 | @retval EFI_SUCCESS The results have been distributed or are awaiting\r | |
4172 | distribution.\r | |
4173 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the parts of the\r | |
4174 | results that must be stored awaiting possible\r | |
4175 | future protocols.\r | |
4176 | @retval EFI_INVALID_PARAMETER Passing in a NULL for the Configuration parameter\r | |
4177 | would result in this type of error.\r | |
4178 | @retval EFI_NOT_FOUND Target for the specified routing data was not\r | |
4179 | found.\r | |
4180 | \r | |
4181 | **/\r | |
4182 | EFI_STATUS\r | |
4183 | EFIAPI\r | |
4184 | HiiConfigRoutingRouteConfig (\r | |
4185 | IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This,\r | |
4186 | IN CONST EFI_STRING Configuration,\r | |
4187 | OUT EFI_STRING *Progress\r | |
4188 | )\r | |
4189 | {\r | |
4190 | HII_DATABASE_PRIVATE_DATA *Private;\r | |
4191 | EFI_STRING StringPtr;\r | |
4192 | EFI_STRING ConfigResp;\r | |
4193 | UINTN Length;\r | |
4194 | EFI_STATUS Status;\r | |
4195 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
4196 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
4197 | LIST_ENTRY *Link;\r | |
4198 | HII_DATABASE_RECORD *Database;\r | |
4199 | UINT8 *DevicePathPkg;\r | |
4200 | UINT8 *CurrentDevicePath;\r | |
4201 | EFI_HANDLE DriverHandle;\r | |
4202 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r | |
4203 | EFI_STRING AccessProgress;\r | |
4204 | EFI_IFR_VARSTORE_EFI *EfiVarStoreInfo;\r | |
4205 | BOOLEAN IsEfiVarstore;\r | |
4206 | UINTN DevicePathSize;\r | |
4207 | \r | |
4208 | if (This == NULL || Progress == NULL) {\r | |
4209 | return EFI_INVALID_PARAMETER;\r | |
4210 | }\r | |
4211 | \r | |
4212 | if (Configuration == NULL) {\r | |
4213 | *Progress = NULL;\r | |
4214 | return EFI_INVALID_PARAMETER;\r | |
4215 | }\r | |
4216 | \r | |
4217 | Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This);\r | |
4218 | StringPtr = Configuration;\r | |
4219 | *Progress = StringPtr;\r | |
4220 | Database = NULL;\r | |
4221 | AccessProgress = NULL;\r | |
4222 | EfiVarStoreInfo= NULL;\r | |
4223 | IsEfiVarstore = FALSE;\r | |
4224 | \r | |
4225 | //\r | |
4226 | // The first element of <MultiConfigResp> should be\r | |
4227 | // <GuidHdr>, which is in 'GUID='<Guid> syntax.\r | |
4228 | //\r | |
4229 | if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) {\r | |
4230 | return EFI_INVALID_PARAMETER;\r | |
4231 | }\r | |
4232 | \r | |
4233 | while (*StringPtr != 0 && StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) == 0) {\r | |
4234 | //\r | |
4235 | // If parsing error, set Progress to the beginning of the <MultiConfigResp>\r | |
4236 | // or most recent & before the error.\r | |
4237 | //\r | |
4238 | if (StringPtr == Configuration) {\r | |
4239 | *Progress = StringPtr;\r | |
4240 | } else {\r | |
4241 | *Progress = StringPtr - 1;\r | |
4242 | }\r | |
4243 | \r | |
4244 | //\r | |
4245 | // Process each <ConfigResp> of <MultiConfigResp>\r | |
4246 | //\r | |
4247 | Length = CalculateConfigStringLen (StringPtr);\r | |
4248 | ConfigResp = AllocateCopyPool ((Length + 1) * sizeof (CHAR16), StringPtr);\r | |
4249 | if (ConfigResp == NULL) {\r | |
4250 | return EFI_OUT_OF_RESOURCES;\r | |
4251 | }\r | |
4252 | //\r | |
4253 | // Append '\0' to the end of ConfigRequest\r | |
4254 | //\r | |
4255 | *(ConfigResp + Length) = 0;\r | |
4256 | \r | |
4257 | //\r | |
4258 | // Get the UEFI device path\r | |
4259 | //\r | |
4260 | Status = GetDevicePath (ConfigResp, (UINT8 **) &DevicePath);\r | |
4261 | if (EFI_ERROR (Status)) {\r | |
4262 | FreePool (ConfigResp);\r | |
4263 | return Status;\r | |
4264 | }\r | |
4265 | \r | |
4266 | //\r | |
4267 | // Find driver which matches the routing data.\r | |
4268 | //\r | |
4269 | DriverHandle = NULL;\r | |
4270 | for (Link = Private->DatabaseList.ForwardLink;\r | |
4271 | Link != &Private->DatabaseList;\r | |
4272 | Link = Link->ForwardLink\r | |
4273 | ) {\r | |
4274 | Database = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);\r | |
4275 | \r | |
4276 | if ((DevicePathPkg = Database->PackageList->DevicePathPkg) != NULL) {\r | |
4277 | CurrentDevicePath = DevicePathPkg + sizeof (EFI_HII_PACKAGE_HEADER);\r | |
4278 | DevicePathSize = GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) CurrentDevicePath);\r | |
4279 | if ((CompareMem (DevicePath,CurrentDevicePath,DevicePathSize) == 0) && IsThisPackageList(Database, ConfigResp)) {\r | |
4280 | DriverHandle = Database->DriverHandle;\r | |
4281 | break;\r | |
4282 | }\r | |
4283 | }\r | |
4284 | }\r | |
4285 | \r | |
4286 | //\r | |
4287 | // Try to find driver handle by device path.\r | |
4288 | //\r | |
4289 | if (DriverHandle == NULL) {\r | |
4290 | TempDevicePath = DevicePath;\r | |
4291 | Status = gBS->LocateDevicePath (\r | |
4292 | &gEfiDevicePathProtocolGuid,\r | |
4293 | &TempDevicePath,\r | |
4294 | &DriverHandle\r | |
4295 | );\r | |
4296 | if (EFI_ERROR (Status) || (DriverHandle == NULL)) {\r | |
4297 | //\r | |
4298 | // Routing data does not match any known driver.\r | |
4299 | // Set Progress to the 'G' in "GUID" of the routing header.\r | |
4300 | //\r | |
4301 | FreePool (DevicePath);\r | |
4302 | *Progress = StringPtr;\r | |
4303 | FreePool (ConfigResp);\r | |
4304 | return EFI_NOT_FOUND;\r | |
4305 | }\r | |
4306 | }\r | |
4307 | \r | |
4308 | FreePool (DevicePath);\r | |
4309 | \r | |
4310 | //\r | |
4311 | // Check whether this ConfigRequest is search from Efi varstore type storage.\r | |
4312 | //\r | |
4313 | Status = GetVarStoreType(Database, ConfigResp, &IsEfiVarstore, &EfiVarStoreInfo);\r | |
4314 | if (EFI_ERROR (Status)) {\r | |
4315 | return Status;\r | |
4316 | }\r | |
4317 | \r | |
4318 | if (IsEfiVarstore) {\r | |
4319 | //\r | |
4320 | // Call the SetVariable function to route settings.\r | |
4321 | // \r | |
4322 | Status = RouteConfigRespForEfiVarStore(This, EfiVarStoreInfo, ConfigResp, &AccessProgress);\r | |
4323 | FreePool (EfiVarStoreInfo);\r | |
4324 | } else {\r | |
4325 | //\r | |
4326 | // Call corresponding ConfigAccess protocol to route settings\r | |
4327 | //\r | |
4328 | Status = gBS->HandleProtocol (\r | |
4329 | DriverHandle,\r | |
4330 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4331 | (VOID **) &ConfigAccess\r | |
4332 | );\r | |
4333 | ASSERT_EFI_ERROR (Status);\r | |
4334 | \r | |
4335 | Status = ConfigAccess->RouteConfig (\r | |
4336 | ConfigAccess,\r | |
4337 | ConfigResp,\r | |
4338 | &AccessProgress\r | |
4339 | );\r | |
4340 | }\r | |
4341 | if (EFI_ERROR (Status)) {\r | |
4342 | //\r | |
4343 | // AccessProgress indicates the parsing progress on <ConfigResp>.\r | |
4344 | // Map it to the progress on <MultiConfigResp> then return it.\r | |
4345 | //\r | |
4346 | *Progress = StrStr (StringPtr, AccessProgress);\r | |
4347 | \r | |
4348 | FreePool (ConfigResp);\r | |
4349 | return Status;\r | |
4350 | }\r | |
4351 | \r | |
4352 | FreePool (ConfigResp);\r | |
4353 | ConfigResp = NULL;\r | |
4354 | \r | |
4355 | //\r | |
4356 | // Go to next <ConfigResp> (skip '&').\r | |
4357 | //\r | |
4358 | StringPtr += Length;\r | |
4359 | if (*StringPtr == 0) {\r | |
4360 | *Progress = StringPtr;\r | |
4361 | break;\r | |
4362 | }\r | |
4363 | \r | |
4364 | StringPtr++;\r | |
4365 | \r | |
4366 | }\r | |
4367 | \r | |
4368 | return EFI_SUCCESS;\r | |
4369 | }\r | |
4370 | \r | |
4371 | \r | |
4372 | /**\r | |
4373 | This helper function is to be called by drivers to map configuration data\r | |
4374 | stored in byte array ("block") formats such as UEFI Variables into current\r | |
4375 | configuration strings.\r | |
4376 | \r | |
4377 | @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL\r | |
4378 | instance.\r | |
4379 | @param ConfigRequest A null-terminated Unicode string in\r | |
4380 | <ConfigRequest> format.\r | |
4381 | @param Block Array of bytes defining the block's configuration.\r | |
4382 | @param BlockSize Length in bytes of Block.\r | |
4383 | @param Config Filled-in configuration string. String allocated\r | |
4384 | by the function. Returned only if call is\r | |
4385 | successful. It is <ConfigResp> string format.\r | |
4386 | @param Progress A pointer to a string filled in with the offset of\r | |
4387 | the most recent & before the first failing\r | |
4388 | name/value pair (or the beginning of the string if\r | |
4389 | the failure is in the first name / value pair) or\r | |
4390 | the terminating NULL if all was successful.\r | |
4391 | \r | |
4392 | @retval EFI_SUCCESS The request succeeded. Progress points to the null\r | |
4393 | terminator at the end of the ConfigRequest\r | |
4394 | string.\r | |
4395 | @retval EFI_OUT_OF_RESOURCES Not enough memory to allocate Config. Progress\r | |
4396 | points to the first character of ConfigRequest.\r | |
4397 | @retval EFI_INVALID_PARAMETER Passing in a NULL for the ConfigRequest or\r | |
4398 | Block parameter would result in this type of\r | |
4399 | error. Progress points to the first character of\r | |
4400 | ConfigRequest.\r | |
4401 | @retval EFI_DEVICE_ERROR Block not large enough. Progress undefined.\r | |
4402 | @retval EFI_INVALID_PARAMETER Encountered non <BlockName> formatted string.\r | |
4403 | Block is left updated and Progress points at\r | |
4404 | the "&" preceding the first non-<BlockName>.\r | |
4405 | \r | |
4406 | **/\r | |
4407 | EFI_STATUS\r | |
4408 | EFIAPI\r | |
4409 | HiiBlockToConfig (\r | |
4410 | IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This,\r | |
4411 | IN CONST EFI_STRING ConfigRequest,\r | |
4412 | IN CONST UINT8 *Block,\r | |
4413 | IN CONST UINTN BlockSize,\r | |
4414 | OUT EFI_STRING *Config,\r | |
4415 | OUT EFI_STRING *Progress\r | |
4416 | )\r | |
4417 | {\r | |
4418 | HII_DATABASE_PRIVATE_DATA *Private;\r | |
4419 | EFI_STRING StringPtr;\r | |
4420 | UINTN Length;\r | |
4421 | EFI_STATUS Status;\r | |
4422 | EFI_STRING TmpPtr;\r | |
4423 | UINT8 *TmpBuffer;\r | |
4424 | UINTN Offset;\r | |
4425 | UINTN Width;\r | |
4426 | UINT8 *Value;\r | |
4427 | EFI_STRING ValueStr;\r | |
4428 | EFI_STRING ConfigElement;\r | |
4429 | UINTN Index;\r | |
4430 | UINT8 *TemBuffer;\r | |
4431 | CHAR16 *TemString;\r | |
4432 | CHAR16 TemChar;\r | |
4433 | \r | |
4434 | if (This == NULL || Progress == NULL || Config == NULL) {\r | |
4435 | return EFI_INVALID_PARAMETER;\r | |
4436 | }\r | |
4437 | \r | |
4438 | if (Block == NULL || ConfigRequest == NULL) {\r | |
4439 | *Progress = ConfigRequest;\r | |
4440 | return EFI_INVALID_PARAMETER;\r | |
4441 | }\r | |
4442 | \r | |
4443 | \r | |
4444 | Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This);\r | |
4445 | ASSERT (Private != NULL);\r | |
4446 | \r | |
4447 | StringPtr = ConfigRequest;\r | |
4448 | ValueStr = NULL;\r | |
4449 | Value = NULL;\r | |
4450 | ConfigElement = NULL;\r | |
4451 | \r | |
4452 | //\r | |
4453 | // Allocate a fix length of memory to store Results. Reallocate memory for\r | |
4454 | // Results if this fix length is insufficient.\r | |
4455 | //\r | |
4456 | *Config = (EFI_STRING) AllocateZeroPool (MAX_STRING_LENGTH);\r | |
4457 | if (*Config == NULL) {\r | |
4458 | return EFI_OUT_OF_RESOURCES;\r | |
4459 | }\r | |
4460 | \r | |
4461 | //\r | |
4462 | // Jump <ConfigHdr>\r | |
4463 | //\r | |
4464 | if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) {\r | |
4465 | *Progress = StringPtr;\r | |
4466 | Status = EFI_INVALID_PARAMETER;\r | |
4467 | goto Exit;\r | |
4468 | }\r | |
4469 | while (*StringPtr != 0 && StrnCmp (StringPtr, L"PATH=", StrLen (L"PATH=")) != 0) {\r | |
4470 | StringPtr++;\r | |
4471 | }\r | |
4472 | if (*StringPtr == 0) {\r | |
4473 | *Progress = StringPtr - 1;\r | |
4474 | Status = EFI_INVALID_PARAMETER;\r | |
4475 | goto Exit;\r | |
4476 | }\r | |
4477 | \r | |
4478 | while (*StringPtr != L'&' && *StringPtr != 0) {\r | |
4479 | StringPtr++;\r | |
4480 | }\r | |
4481 | if (*StringPtr == 0) {\r | |
4482 | *Progress = StringPtr;\r | |
4483 | \r | |
4484 | AppendToMultiString(Config, ConfigRequest);\r | |
4485 | HiiToLower (*Config);\r | |
4486 | \r | |
4487 | return EFI_SUCCESS;\r | |
4488 | }\r | |
4489 | //\r | |
4490 | // Skip '&'\r | |
4491 | //\r | |
4492 | StringPtr++;\r | |
4493 | \r | |
4494 | //\r | |
4495 | // Copy <ConfigHdr> and an additional '&' to <ConfigResp>\r | |
4496 | //\r | |
4497 | TemChar = *StringPtr;\r | |
4498 | *StringPtr = '\0';\r | |
4499 | AppendToMultiString(Config, ConfigRequest);\r | |
4500 | *StringPtr = TemChar;\r | |
4501 | \r | |
4502 | //\r | |
4503 | // Parse each <RequestElement> if exists\r | |
4504 | // Only <BlockName> format is supported by this help function.\r | |
4505 | // <BlockName> ::= 'OFFSET='<Number>&'WIDTH='<Number>\r | |
4506 | //\r | |
4507 | while (*StringPtr != 0 && StrnCmp (StringPtr, L"OFFSET=", StrLen (L"OFFSET=")) == 0) {\r | |
4508 | //\r | |
4509 | // Back up the header of one <BlockName>\r | |
4510 | //\r | |
4511 | TmpPtr = StringPtr;\r | |
4512 | \r | |
4513 | StringPtr += StrLen (L"OFFSET=");\r | |
4514 | //\r | |
4515 | // Get Offset\r | |
4516 | //\r | |
4517 | Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r | |
4518 | if (EFI_ERROR (Status)) {\r | |
4519 | *Progress = TmpPtr - 1;\r | |
4520 | goto Exit;\r | |
4521 | }\r | |
4522 | Offset = 0;\r | |
4523 | CopyMem (\r | |
4524 | &Offset,\r | |
4525 | TmpBuffer,\r | |
4526 | (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)\r | |
4527 | );\r | |
4528 | FreePool (TmpBuffer);\r | |
4529 | \r | |
4530 | StringPtr += Length;\r | |
4531 | if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) {\r | |
4532 | *Progress = TmpPtr - 1;\r | |
4533 | Status = EFI_INVALID_PARAMETER;\r | |
4534 | goto Exit;\r | |
4535 | }\r | |
4536 | StringPtr += StrLen (L"&WIDTH=");\r | |
4537 | \r | |
4538 | //\r | |
4539 | // Get Width\r | |
4540 | //\r | |
4541 | Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r | |
4542 | if (EFI_ERROR (Status)) {\r | |
4543 | *Progress = TmpPtr - 1;\r | |
4544 | goto Exit;\r | |
4545 | }\r | |
4546 | Width = 0;\r | |
4547 | CopyMem (\r | |
4548 | &Width,\r | |
4549 | TmpBuffer,\r | |
4550 | (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)\r | |
4551 | );\r | |
4552 | FreePool (TmpBuffer);\r | |
4553 | \r | |
4554 | StringPtr += Length;\r | |
4555 | if (*StringPtr != 0 && *StringPtr != L'&') {\r | |
4556 | *Progress = TmpPtr - 1;\r | |
4557 | Status = EFI_INVALID_PARAMETER;\r | |
4558 | goto Exit;\r | |
4559 | }\r | |
4560 | \r | |
4561 | //\r | |
4562 | // Calculate Value and convert it to hex string.\r | |
4563 | //\r | |
4564 | if (Offset + Width > BlockSize) {\r | |
4565 | *Progress = StringPtr;\r | |
4566 | Status = EFI_DEVICE_ERROR;\r | |
4567 | goto Exit;\r | |
4568 | }\r | |
4569 | \r | |
4570 | Value = (UINT8 *) AllocateZeroPool (Width);\r | |
4571 | if (Value == NULL) {\r | |
4572 | *Progress = ConfigRequest;\r | |
4573 | Status = EFI_OUT_OF_RESOURCES;\r | |
4574 | goto Exit;\r | |
4575 | }\r | |
4576 | \r | |
4577 | CopyMem (Value, (UINT8 *) Block + Offset, Width);\r | |
4578 | \r | |
4579 | Length = Width * 2 + 1;\r | |
4580 | ValueStr = (EFI_STRING) AllocateZeroPool (Length * sizeof (CHAR16));\r | |
4581 | if (ValueStr == NULL) {\r | |
4582 | *Progress = ConfigRequest;\r | |
4583 | Status = EFI_OUT_OF_RESOURCES;\r | |
4584 | goto Exit;\r | |
4585 | }\r | |
4586 | \r | |
4587 | TemString = ValueStr;\r | |
4588 | TemBuffer = Value + Width - 1;\r | |
4589 | for (Index = 0; Index < Width; Index ++, TemBuffer --) {\r | |
4590 | TemString += UnicodeValueToString (TemString, PREFIX_ZERO | RADIX_HEX, *TemBuffer, 2);\r | |
4591 | }\r | |
4592 | \r | |
4593 | FreePool (Value);\r | |
4594 | Value = NULL;\r | |
4595 | \r | |
4596 | //\r | |
4597 | // Build a ConfigElement\r | |
4598 | //\r | |
4599 | Length += StringPtr - TmpPtr + 1 + StrLen (L"VALUE=");\r | |
4600 | ConfigElement = (EFI_STRING) AllocateZeroPool (Length * sizeof (CHAR16));\r | |
4601 | if (ConfigElement == NULL) {\r | |
4602 | Status = EFI_OUT_OF_RESOURCES;\r | |
4603 | goto Exit;\r | |
4604 | }\r | |
4605 | CopyMem (ConfigElement, TmpPtr, (StringPtr - TmpPtr + 1) * sizeof (CHAR16));\r | |
4606 | if (*StringPtr == 0) {\r | |
4607 | *(ConfigElement + (StringPtr - TmpPtr)) = L'&';\r | |
4608 | }\r | |
4609 | *(ConfigElement + (StringPtr - TmpPtr) + 1) = 0;\r | |
4610 | StrCat (ConfigElement, L"VALUE=");\r | |
4611 | StrCat (ConfigElement, ValueStr);\r | |
4612 | \r | |
4613 | AppendToMultiString (Config, ConfigElement);\r | |
4614 | \r | |
4615 | FreePool (ConfigElement);\r | |
4616 | FreePool (ValueStr);\r | |
4617 | ConfigElement = NULL;\r | |
4618 | ValueStr = NULL;\r | |
4619 | \r | |
4620 | //\r | |
4621 | // If '\0', parsing is finished. Otherwise skip '&' to continue\r | |
4622 | //\r | |
4623 | if (*StringPtr == 0) {\r | |
4624 | break;\r | |
4625 | }\r | |
4626 | AppendToMultiString (Config, L"&");\r | |
4627 | StringPtr++;\r | |
4628 | \r | |
4629 | }\r | |
4630 | \r | |
4631 | if (*StringPtr != 0) {\r | |
4632 | *Progress = StringPtr - 1;\r | |
4633 | Status = EFI_INVALID_PARAMETER;\r | |
4634 | goto Exit;\r | |
4635 | }\r | |
4636 | \r | |
4637 | HiiToLower (*Config);\r | |
4638 | *Progress = StringPtr;\r | |
4639 | return EFI_SUCCESS;\r | |
4640 | \r | |
4641 | Exit:\r | |
4642 | if (*Config != NULL) {\r | |
4643 | FreePool (*Config);\r | |
4644 | *Config = NULL;\r | |
4645 | }\r | |
4646 | if (ValueStr != NULL) {\r | |
4647 | FreePool (ValueStr);\r | |
4648 | }\r | |
4649 | if (Value != NULL) {\r | |
4650 | FreePool (Value);\r | |
4651 | }\r | |
4652 | if (ConfigElement != NULL) {\r | |
4653 | FreePool (ConfigElement);\r | |
4654 | }\r | |
4655 | \r | |
4656 | return Status;\r | |
4657 | \r | |
4658 | }\r | |
4659 | \r | |
4660 | \r | |
4661 | /**\r | |
4662 | This helper function is to be called by drivers to map configuration strings\r | |
4663 | to configurations stored in byte array ("block") formats such as UEFI Variables.\r | |
4664 | \r | |
4665 | @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL\r | |
4666 | instance.\r | |
4667 | @param ConfigResp A null-terminated Unicode string in <ConfigResp>\r | |
4668 | format.\r | |
4669 | @param Block A possibly null array of bytes representing the\r | |
4670 | current block. Only bytes referenced in the\r | |
4671 | ConfigResp string in the block are modified. If\r | |
4672 | this parameter is null or if the *BlockSize\r | |
4673 | parameter is (on input) shorter than required by\r | |
4674 | the Configuration string, only the BlockSize\r | |
4675 | parameter is updated and an appropriate status\r | |
4676 | (see below) is returned.\r | |
4677 | @param BlockSize The length of the Block in units of UINT8. On\r | |
4678 | input, this is the size of the Block. On output,\r | |
4679 | if successful, contains the largest index of the\r | |
4680 | modified byte in the Block, or the required buffer\r | |
4681 | size if the Block is not large enough.\r | |
4682 | @param Progress On return, points to an element of the ConfigResp\r | |
4683 | string filled in with the offset of the most\r | |
4684 | recent '&' before the first failing name / value\r | |
4685 | pair (or the beginning of the string if the\r | |
4686 | failure is in the first name / value pair) or the\r | |
4687 | terminating NULL if all was successful.\r | |
4688 | \r | |
4689 | @retval EFI_SUCCESS The request succeeded. Progress points to the null\r | |
4690 | terminator at the end of the ConfigResp string.\r | |
4691 | @retval EFI_OUT_OF_RESOURCES Not enough memory to allocate Config. Progress\r | |
4692 | points to the first character of ConfigResp.\r | |
4693 | @retval EFI_INVALID_PARAMETER Passing in a NULL for the ConfigResp or\r | |
4694 | Block parameter would result in this type of\r | |
4695 | error. Progress points to the first character of\r | |
4696 | ConfigResp.\r | |
4697 | @retval EFI_INVALID_PARAMETER Encountered non <BlockName> formatted name /\r | |
4698 | value pair. Block is left updated and\r | |
4699 | Progress points at the '&' preceding the first\r | |
4700 | non-<BlockName>.\r | |
4701 | @retval EFI_BUFFER_TOO_SMALL Block not large enough. Progress undefined. \r | |
4702 | BlockSize is updated with the required buffer size.\r | |
4703 | @retval EFI_NOT_FOUND Target for the specified routing data was not found.\r | |
4704 | Progress points to the "G" in "GUID" of the errant\r | |
4705 | routing data.\r | |
4706 | \r | |
4707 | **/\r | |
4708 | EFI_STATUS\r | |
4709 | EFIAPI\r | |
4710 | HiiConfigToBlock (\r | |
4711 | IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This,\r | |
4712 | IN CONST EFI_STRING ConfigResp,\r | |
4713 | IN OUT UINT8 *Block,\r | |
4714 | IN OUT UINTN *BlockSize,\r | |
4715 | OUT EFI_STRING *Progress\r | |
4716 | )\r | |
4717 | {\r | |
4718 | HII_DATABASE_PRIVATE_DATA *Private;\r | |
4719 | EFI_STRING StringPtr;\r | |
4720 | EFI_STRING TmpPtr;\r | |
4721 | UINTN Length;\r | |
4722 | EFI_STATUS Status;\r | |
4723 | UINT8 *TmpBuffer;\r | |
4724 | UINTN Offset;\r | |
4725 | UINTN Width;\r | |
4726 | UINT8 *Value;\r | |
4727 | UINTN BufferSize;\r | |
4728 | UINTN MaxBlockSize;\r | |
4729 | \r | |
4730 | if (This == NULL || BlockSize == NULL || Progress == NULL) {\r | |
4731 | return EFI_INVALID_PARAMETER;\r | |
4732 | }\r | |
4733 | \r | |
4734 | *Progress = ConfigResp;\r | |
4735 | if (ConfigResp == NULL) {\r | |
4736 | return EFI_INVALID_PARAMETER;\r | |
4737 | }\r | |
4738 | \r | |
4739 | Private = CONFIG_ROUTING_DATABASE_PRIVATE_DATA_FROM_THIS (This);\r | |
4740 | ASSERT (Private != NULL);\r | |
4741 | \r | |
4742 | StringPtr = ConfigResp;\r | |
4743 | BufferSize = *BlockSize;\r | |
4744 | Value = NULL;\r | |
4745 | MaxBlockSize = 0;\r | |
4746 | \r | |
4747 | //\r | |
4748 | // Jump <ConfigHdr>\r | |
4749 | //\r | |
4750 | if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) {\r | |
4751 | *Progress = StringPtr;\r | |
4752 | Status = EFI_INVALID_PARAMETER;\r | |
4753 | goto Exit;\r | |
4754 | }\r | |
4755 | while (*StringPtr != 0 && StrnCmp (StringPtr, L"PATH=", StrLen (L"PATH=")) != 0) {\r | |
4756 | StringPtr++;\r | |
4757 | }\r | |
4758 | if (*StringPtr == 0) {\r | |
4759 | *Progress = StringPtr;\r | |
4760 | Status = EFI_INVALID_PARAMETER;\r | |
4761 | goto Exit;\r | |
4762 | }\r | |
4763 | \r | |
4764 | while (*StringPtr != L'&' && *StringPtr != 0) {\r | |
4765 | StringPtr++;\r | |
4766 | }\r | |
4767 | if (*StringPtr == 0) {\r | |
4768 | *Progress = StringPtr;\r | |
4769 | Status = EFI_INVALID_PARAMETER;\r | |
4770 | goto Exit;\r | |
4771 | }\r | |
4772 | \r | |
4773 | //\r | |
4774 | // Parse each <ConfigElement> if exists\r | |
4775 | // Only '&'<BlockConfig> format is supported by this help function.\r | |
4776 | // <BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE='<Number>\r | |
4777 | //\r | |
4778 | while (*StringPtr != 0 && StrnCmp (StringPtr, L"&OFFSET=", StrLen (L"&OFFSET=")) == 0) {\r | |
4779 | TmpPtr = StringPtr;\r | |
4780 | StringPtr += StrLen (L"&OFFSET=");\r | |
4781 | //\r | |
4782 | // Get Offset\r | |
4783 | //\r | |
4784 | Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r | |
4785 | if (EFI_ERROR (Status)) {\r | |
4786 | *Progress = TmpPtr;\r | |
4787 | goto Exit;\r | |
4788 | }\r | |
4789 | Offset = 0;\r | |
4790 | CopyMem (\r | |
4791 | &Offset,\r | |
4792 | TmpBuffer,\r | |
4793 | (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)\r | |
4794 | );\r | |
4795 | FreePool (TmpBuffer);\r | |
4796 | \r | |
4797 | StringPtr += Length;\r | |
4798 | if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) {\r | |
4799 | *Progress = TmpPtr;\r | |
4800 | Status = EFI_INVALID_PARAMETER;\r | |
4801 | goto Exit;\r | |
4802 | }\r | |
4803 | StringPtr += StrLen (L"&WIDTH=");\r | |
4804 | \r | |
4805 | //\r | |
4806 | // Get Width\r | |
4807 | //\r | |
4808 | Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r | |
4809 | if (EFI_ERROR (Status)) {\r | |
4810 | *Progress = TmpPtr;\r | |
4811 | goto Exit;\r | |
4812 | }\r | |
4813 | Width = 0;\r | |
4814 | CopyMem (\r | |
4815 | &Width,\r | |
4816 | TmpBuffer,\r | |
4817 | (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)\r | |
4818 | );\r | |
4819 | FreePool (TmpBuffer);\r | |
4820 | \r | |
4821 | StringPtr += Length;\r | |
4822 | if (StrnCmp (StringPtr, L"&VALUE=", StrLen (L"&VALUE=")) != 0) {\r | |
4823 | *Progress = TmpPtr;\r | |
4824 | Status = EFI_INVALID_PARAMETER;\r | |
4825 | goto Exit;\r | |
4826 | }\r | |
4827 | StringPtr += StrLen (L"&VALUE=");\r | |
4828 | \r | |
4829 | //\r | |
4830 | // Get Value\r | |
4831 | //\r | |
4832 | Status = GetValueOfNumber (StringPtr, &Value, &Length);\r | |
4833 | if (EFI_ERROR (Status)) {\r | |
4834 | *Progress = TmpPtr;\r | |
4835 | goto Exit;\r | |
4836 | }\r | |
4837 | \r | |
4838 | StringPtr += Length;\r | |
4839 | if (*StringPtr != 0 && *StringPtr != L'&') {\r | |
4840 | *Progress = TmpPtr;\r | |
4841 | Status = EFI_INVALID_PARAMETER;\r | |
4842 | goto Exit;\r | |
4843 | }\r | |
4844 | \r | |
4845 | //\r | |
4846 | // Update the Block with configuration info\r | |
4847 | //\r | |
4848 | if ((Block != NULL) && (Offset + Width <= BufferSize)) {\r | |
4849 | CopyMem (Block + Offset, Value, Width);\r | |
4850 | }\r | |
4851 | if (Offset + Width > MaxBlockSize) {\r | |
4852 | MaxBlockSize = Offset + Width;\r | |
4853 | }\r | |
4854 | \r | |
4855 | FreePool (Value);\r | |
4856 | Value = NULL;\r | |
4857 | \r | |
4858 | //\r | |
4859 | // If '\0', parsing is finished.\r | |
4860 | //\r | |
4861 | if (*StringPtr == 0) {\r | |
4862 | break;\r | |
4863 | }\r | |
4864 | }\r | |
4865 | \r | |
4866 | //\r | |
4867 | // The input string is not ConfigResp format, return error.\r | |
4868 | //\r | |
4869 | if (*StringPtr != 0) {\r | |
4870 | *Progress = StringPtr;\r | |
4871 | Status = EFI_INVALID_PARAMETER;\r | |
4872 | goto Exit;\r | |
4873 | }\r | |
4874 | \r | |
4875 | *Progress = StringPtr + StrLen (StringPtr);\r | |
4876 | *BlockSize = MaxBlockSize - 1;\r | |
4877 | \r | |
4878 | if (MaxBlockSize > BufferSize) {\r | |
4879 | *BlockSize = MaxBlockSize;\r | |
4880 | if (Block != NULL) {\r | |
4881 | return EFI_BUFFER_TOO_SMALL;\r | |
4882 | }\r | |
4883 | }\r | |
4884 | \r | |
4885 | if (Block == NULL) {\r | |
4886 | *Progress = ConfigResp;\r | |
4887 | return EFI_INVALID_PARAMETER;\r | |
4888 | }\r | |
4889 | \r | |
4890 | return EFI_SUCCESS;\r | |
4891 | \r | |
4892 | Exit:\r | |
4893 | \r | |
4894 | if (Value != NULL) {\r | |
4895 | FreePool (Value);\r | |
4896 | }\r | |
4897 | return Status;\r | |
4898 | }\r | |
4899 | \r | |
4900 | \r | |
4901 | /**\r | |
4902 | This helper function is to be called by drivers to extract portions of\r | |
4903 | a larger configuration string.\r | |
4904 | \r | |
4905 | @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL\r | |
4906 | instance.\r | |
4907 | @param Configuration A null-terminated Unicode string in\r | |
4908 | <MultiConfigAltResp> format.\r | |
4909 | @param Guid A pointer to the GUID value to search for in the\r | |
4910 | routing portion of the ConfigResp string when\r | |
4911 | retrieving the requested data. If Guid is NULL,\r | |
4912 | then all GUID values will be searched for.\r | |
4913 | @param Name A pointer to the NAME value to search for in the\r | |
4914 | routing portion of the ConfigResp string when\r | |
4915 | retrieving the requested data. If Name is NULL,\r | |
4916 | then all Name values will be searched for.\r | |
4917 | @param DevicePath A pointer to the PATH value to search for in the\r | |
4918 | routing portion of the ConfigResp string when\r | |
4919 | retrieving the requested data. If DevicePath is\r | |
4920 | NULL, then all DevicePath values will be searched\r | |
4921 | for.\r | |
4922 | @param AltCfgId A pointer to the ALTCFG value to search for in the\r | |
4923 | routing portion of the ConfigResp string when\r | |
4924 | retrieving the requested data. If this parameter\r | |
4925 | is NULL, then the current setting will be\r | |
4926 | retrieved.\r | |
4927 | @param AltCfgResp A pointer to a buffer which will be allocated by\r | |
4928 | the function which contains the retrieved string\r | |
4929 | as requested. This buffer is only allocated if\r | |
4930 | the call was successful. It is <ConfigResp> format.\r | |
4931 | \r | |
4932 | @retval EFI_SUCCESS The request succeeded. The requested data was\r | |
4933 | extracted and placed in the newly allocated\r | |
4934 | AltCfgResp buffer.\r | |
4935 | @retval EFI_OUT_OF_RESOURCES Not enough memory to allocate AltCfgResp.\r | |
4936 | @retval EFI_INVALID_PARAMETER Any parameter is invalid.\r | |
4937 | @retval EFI_NOT_FOUND Target for the specified routing data was not\r | |
4938 | found.\r | |
4939 | \r | |
4940 | **/\r | |
4941 | EFI_STATUS\r | |
4942 | EFIAPI\r | |
4943 | HiiGetAltCfg (\r | |
4944 | IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This,\r | |
4945 | IN CONST EFI_STRING Configuration,\r | |
4946 | IN CONST EFI_GUID *Guid,\r | |
4947 | IN CONST EFI_STRING Name,\r | |
4948 | IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
4949 | IN CONST UINT16 *AltCfgId,\r | |
4950 | OUT EFI_STRING *AltCfgResp\r | |
4951 | )\r | |
4952 | {\r | |
4953 | EFI_STATUS Status;\r | |
4954 | EFI_STRING StringPtr;\r | |
4955 | EFI_STRING HdrStart;\r | |
4956 | EFI_STRING HdrEnd;\r | |
4957 | EFI_STRING TmpPtr;\r | |
4958 | UINTN Length;\r | |
4959 | EFI_STRING GuidStr;\r | |
4960 | EFI_STRING NameStr;\r | |
4961 | EFI_STRING PathStr;\r | |
4962 | EFI_STRING AltIdStr;\r | |
4963 | EFI_STRING Result;\r | |
4964 | BOOLEAN GuidFlag;\r | |
4965 | BOOLEAN NameFlag;\r | |
4966 | BOOLEAN PathFlag;\r | |
4967 | \r | |
4968 | HdrStart = NULL;\r | |
4969 | HdrEnd = NULL;\r | |
4970 | GuidStr = NULL;\r | |
4971 | NameStr = NULL;\r | |
4972 | PathStr = NULL;\r | |
4973 | AltIdStr = NULL;\r | |
4974 | Result = NULL;\r | |
4975 | GuidFlag = FALSE;\r | |
4976 | NameFlag = FALSE;\r | |
4977 | PathFlag = FALSE;\r | |
4978 | \r | |
4979 | if (This == NULL || Configuration == NULL || AltCfgResp == NULL) {\r | |
4980 | return EFI_INVALID_PARAMETER;\r | |
4981 | }\r | |
4982 | \r | |
4983 | StringPtr = Configuration;\r | |
4984 | if (StrnCmp (StringPtr, L"GUID=", StrLen (L"GUID=")) != 0) {\r | |
4985 | return EFI_INVALID_PARAMETER;\r | |
4986 | }\r | |
4987 | \r | |
4988 | //\r | |
4989 | // Generate the sub string for later matching.\r | |
4990 | //\r | |
4991 | GenerateSubStr (L"GUID=", sizeof (EFI_GUID), (VOID *) Guid, 1, &GuidStr);\r | |
4992 | GenerateSubStr (\r | |
4993 | L"PATH=",\r | |
4994 | GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *) DevicePath),\r | |
4995 | (VOID *) DevicePath,\r | |
4996 | 1,\r | |
4997 | &PathStr\r | |
4998 | );\r | |
4999 | if (AltCfgId != NULL) {\r | |
5000 | GenerateSubStr (L"ALTCFG=", sizeof (UINT16), (VOID *) AltCfgId, 3, &AltIdStr); \r | |
5001 | }\r | |
5002 | if (Name != NULL) {\r | |
5003 | GenerateSubStr (L"NAME=", StrLen (Name) * sizeof (CHAR16), (VOID *) Name, 2, &NameStr); \r | |
5004 | } else {\r | |
5005 | GenerateSubStr (L"NAME=", 0, NULL, 2, &NameStr);\r | |
5006 | }\r | |
5007 | \r | |
5008 | while (*StringPtr != 0) {\r | |
5009 | //\r | |
5010 | // Try to match the GUID\r | |
5011 | //\r | |
5012 | if (!GuidFlag) {\r | |
5013 | TmpPtr = StrStr (StringPtr, GuidStr);\r | |
5014 | if (TmpPtr == NULL) {\r | |
5015 | Status = EFI_NOT_FOUND;\r | |
5016 | goto Exit;\r | |
5017 | }\r | |
5018 | HdrStart = TmpPtr;\r | |
5019 | \r | |
5020 | //\r | |
5021 | // Jump to <NameHdr>\r | |
5022 | //\r | |
5023 | if (Guid != NULL) {\r | |
5024 | StringPtr = TmpPtr + StrLen (GuidStr);\r | |
5025 | } else {\r | |
5026 | StringPtr = StrStr (TmpPtr, L"NAME=");\r | |
5027 | if (StringPtr == NULL) {\r | |
5028 | Status = EFI_NOT_FOUND;\r | |
5029 | goto Exit;\r | |
5030 | }\r | |
5031 | }\r | |
5032 | GuidFlag = TRUE;\r | |
5033 | }\r | |
5034 | \r | |
5035 | //\r | |
5036 | // Try to match the NAME\r | |
5037 | //\r | |
5038 | if (GuidFlag && !NameFlag) {\r | |
5039 | if (StrnCmp (StringPtr, NameStr, StrLen (NameStr)) != 0) {\r | |
5040 | GuidFlag = FALSE;\r | |
5041 | } else {\r | |
5042 | //\r | |
5043 | // Jump to <PathHdr>\r | |
5044 | //\r | |
5045 | if (Name != NULL) {\r | |
5046 | StringPtr += StrLen (NameStr);\r | |
5047 | } else {\r | |
5048 | StringPtr = StrStr (StringPtr, L"PATH=");\r | |
5049 | if (StringPtr == NULL) {\r | |
5050 | Status = EFI_NOT_FOUND;\r | |
5051 | goto Exit;\r | |
5052 | }\r | |
5053 | }\r | |
5054 | NameFlag = TRUE;\r | |
5055 | }\r | |
5056 | }\r | |
5057 | \r | |
5058 | //\r | |
5059 | // Try to match the DevicePath\r | |
5060 | //\r | |
5061 | if (GuidFlag && NameFlag && !PathFlag) {\r | |
5062 | if (StrnCmp (StringPtr, PathStr, StrLen (PathStr)) != 0) {\r | |
5063 | GuidFlag = FALSE;\r | |
5064 | NameFlag = FALSE;\r | |
5065 | } else {\r | |
5066 | //\r | |
5067 | // Jump to '&' before <DescHdr> or <ConfigBody>\r | |
5068 | //\r | |
5069 | if (DevicePath != NULL) {\r | |
5070 | StringPtr += StrLen (PathStr);\r | |
5071 | } else {\r | |
5072 | StringPtr = StrStr (StringPtr, L"&");\r | |
5073 | if (StringPtr == NULL) {\r | |
5074 | Status = EFI_NOT_FOUND;\r | |
5075 | goto Exit;\r | |
5076 | }\r | |
5077 | StringPtr ++;\r | |
5078 | }\r | |
5079 | PathFlag = TRUE;\r | |
5080 | HdrEnd = StringPtr;\r | |
5081 | }\r | |
5082 | }\r | |
5083 | \r | |
5084 | //\r | |
5085 | // Try to match the AltCfgId\r | |
5086 | //\r | |
5087 | if (GuidFlag && NameFlag && PathFlag) {\r | |
5088 | if (AltCfgId == NULL) {\r | |
5089 | //\r | |
5090 | // Return Current Setting when AltCfgId is NULL.\r | |
5091 | //\r | |
5092 | Status = OutputConfigBody (StringPtr, &Result);\r | |
5093 | goto Exit;\r | |
5094 | }\r | |
5095 | //\r | |
5096 | // Search the <ConfigAltResp> to get the <AltResp> with AltCfgId.\r | |
5097 | //\r | |
5098 | if (StrnCmp (StringPtr, AltIdStr, StrLen (AltIdStr)) != 0) {\r | |
5099 | GuidFlag = FALSE;\r | |
5100 | NameFlag = FALSE;\r | |
5101 | PathFlag = FALSE;\r | |
5102 | } else {\r | |
5103 | //\r | |
5104 | // Skip AltIdStr and &\r | |
5105 | //\r | |
5106 | StringPtr = StringPtr + StrLen (AltIdStr);\r | |
5107 | Status = OutputConfigBody (StringPtr, &Result);\r | |
5108 | goto Exit;\r | |
5109 | }\r | |
5110 | }\r | |
5111 | }\r | |
5112 | \r | |
5113 | Status = EFI_NOT_FOUND;\r | |
5114 | \r | |
5115 | Exit:\r | |
5116 | *AltCfgResp = NULL;\r | |
5117 | if (!EFI_ERROR (Status) && (Result != NULL)) {\r | |
5118 | //\r | |
5119 | // Copy the <ConfigHdr> and <ConfigBody>\r | |
5120 | //\r | |
5121 | Length = HdrEnd - HdrStart + StrLen (Result) + 1;\r | |
5122 | *AltCfgResp = AllocateZeroPool (Length * sizeof (CHAR16));\r | |
5123 | if (*AltCfgResp == NULL) {\r | |
5124 | Status = EFI_OUT_OF_RESOURCES;\r | |
5125 | } else {\r | |
5126 | StrnCpy (*AltCfgResp, HdrStart, HdrEnd - HdrStart);\r | |
5127 | StrCat (*AltCfgResp, Result);\r | |
5128 | Status = EFI_SUCCESS;\r | |
5129 | }\r | |
5130 | }\r | |
5131 | \r | |
5132 | if (GuidStr != NULL) {\r | |
5133 | FreePool (GuidStr);\r | |
5134 | }\r | |
5135 | if (NameStr != NULL) {\r | |
5136 | FreePool (NameStr);\r | |
5137 | }\r | |
5138 | if (PathStr != NULL) {\r | |
5139 | FreePool (PathStr);\r | |
5140 | }\r | |
5141 | if (AltIdStr != NULL) {\r | |
5142 | FreePool (AltIdStr);\r | |
5143 | }\r | |
5144 | if (Result != NULL) {\r | |
5145 | FreePool (Result);\r | |
5146 | }\r | |
5147 | \r | |
5148 | return Status;\r | |
5149 | \r | |
5150 | }\r | |
5151 | \r | |
5152 | \r |