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0c5b25f0 | 1 | /** @file\r |
2 | The functions for access policy modification.\r | |
3 | \r | |
863986b3 | 4 | Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.<BR>\r |
0c5b25f0 | 5 | This program and the accompanying materials \r |
6 | are licensed and made available under the terms and conditions of the BSD License \r | |
7 | which accompanies this distribution. The full text of the license may be found at \r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "UserProfileManager.h"\r | |
16 | \r | |
17 | /**\r | |
18 | Collect all the access policy data to mUserInfo.AccessPolicy, \r | |
19 | and save it to user profile.\r | |
20 | \r | |
21 | **/\r | |
22 | VOID\r | |
23 | SaveAccessPolicy (\r | |
24 | VOID\r | |
25 | )\r | |
26 | {\r | |
27 | EFI_STATUS Status;\r | |
28 | UINTN OffSet;\r | |
29 | UINTN Size;\r | |
30 | EFI_USER_INFO_ACCESS_CONTROL Control;\r | |
31 | EFI_USER_INFO_HANDLE UserInfo;\r | |
32 | EFI_USER_INFO *Info;\r | |
33 | \r | |
34 | if (mUserInfo.AccessPolicy != NULL) {\r | |
35 | FreePool (mUserInfo.AccessPolicy);\r | |
36 | }\r | |
37 | mUserInfo.AccessPolicy = NULL;\r | |
38 | mUserInfo.AccessPolicyLen = 0;\r | |
39 | mUserInfo.AccessPolicyModified = TRUE;\r | |
40 | OffSet = 0;\r | |
41 | \r | |
42 | //\r | |
43 | // Save access right.\r | |
44 | //\r | |
45 | Size = sizeof (EFI_USER_INFO_ACCESS_CONTROL);\r | |
46 | if (mUserInfo.AccessPolicyLen - OffSet < Size) {\r | |
47 | ExpandMemory (OffSet, Size);\r | |
48 | }\r | |
49 | \r | |
50 | Control.Type = mAccessInfo.AccessRight;\r | |
51 | Control.Size = (UINT32) Size;\r | |
52 | CopyMem (mUserInfo.AccessPolicy + OffSet, &Control, sizeof (Control));\r | |
53 | OffSet += sizeof (Control);\r | |
54 | \r | |
55 | //\r | |
56 | // Save access setup.\r | |
57 | //\r | |
58 | Size = sizeof (EFI_USER_INFO_ACCESS_CONTROL) + sizeof (EFI_GUID);\r | |
59 | if (mUserInfo.AccessPolicyLen - OffSet < Size) {\r | |
60 | ExpandMemory (OffSet, Size);\r | |
61 | }\r | |
62 | \r | |
63 | Control.Type = EFI_USER_INFO_ACCESS_SETUP;\r | |
64 | Control.Size = (UINT32) Size; \r | |
65 | CopyMem (mUserInfo.AccessPolicy + OffSet, &Control, sizeof (Control));\r | |
66 | OffSet += sizeof (Control);\r | |
67 | \r | |
68 | if (mAccessInfo.AccessSetup == ACCESS_SETUP_NORMAL) {\r | |
69 | CopyGuid ((EFI_GUID *) (mUserInfo.AccessPolicy + OffSet), &gEfiUserInfoAccessSetupNormalGuid);\r | |
70 | } else if (mAccessInfo.AccessSetup == ACCESS_SETUP_RESTRICTED) {\r | |
71 | CopyGuid ((EFI_GUID *) (mUserInfo.AccessPolicy + OffSet), &gEfiUserInfoAccessSetupRestrictedGuid);\r | |
72 | } else if (mAccessInfo.AccessSetup == ACCESS_SETUP_ADMIN) {\r | |
73 | CopyGuid ((EFI_GUID *) (mUserInfo.AccessPolicy + OffSet), &gEfiUserInfoAccessSetupAdminGuid);\r | |
74 | }\r | |
75 | OffSet += sizeof (EFI_GUID);\r | |
76 | \r | |
77 | //\r | |
78 | // Save access of boot order.\r | |
79 | //\r | |
80 | Size = sizeof (EFI_USER_INFO_ACCESS_CONTROL) + sizeof (UINT32);\r | |
81 | if (mUserInfo.AccessPolicyLen - OffSet < Size) {\r | |
82 | ExpandMemory (OffSet, Size);\r | |
83 | }\r | |
84 | \r | |
85 | Control.Type = EFI_USER_INFO_ACCESS_BOOT_ORDER;\r | |
86 | Control.Size = (UINT32) Size; \r | |
87 | CopyMem (mUserInfo.AccessPolicy + OffSet, &Control, sizeof (Control));\r | |
88 | OffSet += sizeof (Control);\r | |
89 | \r | |
90 | CopyMem ((UINT8 *) (mUserInfo.AccessPolicy + OffSet), &mAccessInfo.AccessBootOrder, sizeof (UINT32));\r | |
91 | OffSet += sizeof (UINT32);\r | |
92 | \r | |
93 | //\r | |
94 | // Save permit load.\r | |
95 | //\r | |
96 | if (mAccessInfo.LoadPermitLen > 0) {\r | |
97 | Size = sizeof (EFI_USER_INFO_ACCESS_CONTROL) + mAccessInfo.LoadPermitLen;\r | |
98 | if (mUserInfo.AccessPolicyLen - OffSet < Size) {\r | |
99 | ExpandMemory (OffSet, Size);\r | |
100 | }\r | |
101 | \r | |
102 | Control.Type = EFI_USER_INFO_ACCESS_PERMIT_LOAD;\r | |
103 | Control.Size = (UINT32) Size; \r | |
104 | CopyMem (mUserInfo.AccessPolicy + OffSet, &Control, sizeof (Control));\r | |
105 | OffSet += sizeof (Control);\r | |
106 | \r | |
107 | CopyMem (mUserInfo.AccessPolicy + OffSet, mAccessInfo.LoadPermit, mAccessInfo.LoadPermitLen);\r | |
108 | OffSet += mAccessInfo.LoadPermitLen;\r | |
109 | }\r | |
110 | \r | |
111 | //\r | |
112 | // Save forbid load.\r | |
113 | //\r | |
114 | if (mAccessInfo.LoadForbidLen > 0) {\r | |
115 | Size = sizeof (EFI_USER_INFO_ACCESS_CONTROL) + mAccessInfo.LoadForbidLen;\r | |
116 | if (mUserInfo.AccessPolicyLen - OffSet < Size) {\r | |
117 | ExpandMemory (OffSet, Size);\r | |
118 | }\r | |
119 | \r | |
120 | Control.Type = EFI_USER_INFO_ACCESS_FORBID_LOAD;\r | |
121 | Control.Size = (UINT32) Size; \r | |
122 | CopyMem (mUserInfo.AccessPolicy + OffSet, &Control, sizeof (Control));\r | |
123 | OffSet += sizeof (Control);\r | |
124 | \r | |
125 | CopyMem (mUserInfo.AccessPolicy + OffSet, mAccessInfo.LoadForbid, mAccessInfo.LoadForbidLen);\r | |
126 | OffSet += mAccessInfo.LoadForbidLen;\r | |
127 | }\r | |
128 | \r | |
129 | //\r | |
130 | // Save permit connect.\r | |
131 | //\r | |
132 | if (mAccessInfo.ConnectPermitLen > 0) {\r | |
133 | Size = sizeof (EFI_USER_INFO_ACCESS_CONTROL) + mAccessInfo.ConnectPermitLen;\r | |
134 | if (mUserInfo.AccessPolicyLen - OffSet < Size) {\r | |
135 | ExpandMemory (OffSet, Size);\r | |
136 | }\r | |
137 | \r | |
138 | Control.Type = EFI_USER_INFO_ACCESS_PERMIT_CONNECT;\r | |
139 | Control.Size = (UINT32) Size; \r | |
140 | CopyMem (mUserInfo.AccessPolicy + OffSet, &Control, sizeof (Control));\r | |
141 | OffSet += sizeof (Control);\r | |
142 | \r | |
143 | CopyMem (mUserInfo.AccessPolicy + OffSet, mAccessInfo.ConnectPermit, mAccessInfo.ConnectPermitLen);\r | |
144 | OffSet += mAccessInfo.ConnectPermitLen;\r | |
145 | }\r | |
146 | \r | |
147 | //\r | |
148 | // Save forbid connect.\r | |
149 | //\r | |
150 | if (mAccessInfo.ConnectForbidLen > 0) {\r | |
151 | Size = sizeof (EFI_USER_INFO_ACCESS_CONTROL) + mAccessInfo.ConnectForbidLen;\r | |
152 | if (mUserInfo.AccessPolicyLen - OffSet < Size) {\r | |
153 | ExpandMemory (OffSet, Size);\r | |
154 | }\r | |
155 | \r | |
156 | Control.Type = EFI_USER_INFO_ACCESS_FORBID_CONNECT;\r | |
157 | Control.Size = (UINT32) Size; \r | |
158 | CopyMem (mUserInfo.AccessPolicy + OffSet, &Control, sizeof (Control));\r | |
159 | OffSet += sizeof (Control);\r | |
160 | \r | |
161 | CopyMem (mUserInfo.AccessPolicy + OffSet, mAccessInfo.ConnectForbid, mAccessInfo.ConnectForbidLen);\r | |
162 | OffSet += mAccessInfo.ConnectForbidLen;\r | |
163 | }\r | |
164 | \r | |
165 | mUserInfo.AccessPolicyLen = OffSet;\r | |
166 | \r | |
167 | //\r | |
168 | // Save access policy.\r | |
169 | //\r | |
44a957c6 | 170 | if (mUserInfo.AccessPolicyModified && (mUserInfo.AccessPolicyLen > 0) && (mUserInfo.AccessPolicy != NULL)) {\r |
0c5b25f0 | 171 | Info = AllocateZeroPool (sizeof (EFI_USER_INFO) + mUserInfo.AccessPolicyLen);\r |
172 | if (Info == NULL) {\r | |
173 | return ;\r | |
174 | }\r | |
175 | \r | |
176 | Status = FindInfoByType (mModifyUser, EFI_USER_INFO_ACCESS_POLICY_RECORD, &UserInfo);\r | |
177 | if (!EFI_ERROR (Status)) {\r | |
178 | Info->InfoType = EFI_USER_INFO_ACCESS_POLICY_RECORD;\r | |
179 | Info->InfoAttribs = EFI_USER_INFO_STORAGE_PLATFORM_NV |\r | |
180 | EFI_USER_INFO_PUBLIC |\r | |
181 | EFI_USER_INFO_EXCLUSIVE;\r | |
182 | Info->InfoSize = (UINT32) (sizeof (EFI_USER_INFO) + mUserInfo.AccessPolicyLen);\r | |
183 | CopyMem ((UINT8 *) (Info + 1), mUserInfo.AccessPolicy, mUserInfo.AccessPolicyLen);\r | |
184 | Status = mUserManager->SetInfo (\r | |
185 | mUserManager,\r | |
186 | mModifyUser,\r | |
187 | &UserInfo,\r | |
188 | Info,\r | |
189 | Info->InfoSize\r | |
190 | );\r | |
191 | mUserInfo.AccessPolicyModified = FALSE;\r | |
192 | }\r | |
193 | FreePool (Info);\r | |
194 | }\r | |
195 | \r | |
196 | if (mAccessInfo.ConnectForbid != NULL) {\r | |
197 | FreePool (mAccessInfo.ConnectForbid);\r | |
198 | mAccessInfo.ConnectForbid = NULL;\r | |
199 | }\r | |
200 | \r | |
201 | if (mAccessInfo.ConnectPermit != NULL) {\r | |
202 | FreePool (mAccessInfo.ConnectPermit);\r | |
203 | mAccessInfo.ConnectPermit = NULL;\r | |
204 | }\r | |
205 | \r | |
206 | if (mAccessInfo.LoadForbid != NULL) {\r | |
207 | FreePool (mAccessInfo.LoadForbid);\r | |
208 | mAccessInfo.LoadForbid = NULL;\r | |
209 | }\r | |
210 | \r | |
211 | if (mAccessInfo.LoadPermit != NULL) {\r | |
212 | FreePool (mAccessInfo.LoadPermit);\r | |
213 | mAccessInfo.LoadPermit = NULL;\r | |
214 | }\r | |
215 | }\r | |
216 | \r | |
217 | /**\r | |
218 | Create an action OpCode with QuestionID and DevicePath on a given OpCodeHandle.\r | |
219 | \r | |
220 | @param[in] QuestionID The question ID.\r | |
221 | @param[in] DevicePath Points to device path.\r | |
222 | @param[in] OpCodeHandle Points to container for dynamic created opcodes.\r | |
223 | \r | |
224 | **/\r | |
225 | VOID\r | |
226 | AddDevicePath (\r | |
227 | IN UINTN QuestionID,\r | |
228 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
229 | IN VOID *OpCodeHandle\r | |
230 | )\r | |
231 | {\r | |
0c5b25f0 | 232 | EFI_DEVICE_PATH_PROTOCOL *Next;\r |
233 | EFI_STRING_ID NameID;\r | |
234 | EFI_STRING DriverName;\r | |
0c5b25f0 | 235 | \r |
0c5b25f0 | 236 | //\r |
237 | // Get driver file name node.\r | |
238 | //\r | |
239 | Next = DevicePath;\r | |
240 | while (!IsDevicePathEnd (Next)) {\r | |
241 | DevicePath = Next;\r | |
242 | Next = NextDevicePathNode (Next);\r | |
243 | }\r | |
244 | \r | |
245 | //\r | |
246 | // Display the device path in form.\r | |
247 | //\r | |
863986b3 | 248 | DriverName = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r |
0c5b25f0 | 249 | NameID = HiiSetString (mCallbackInfo->HiiHandle, 0, DriverName, NULL);\r |
250 | FreePool (DriverName);\r | |
251 | if (NameID == 0) {\r | |
252 | return ;\r | |
253 | }\r | |
254 | \r | |
255 | HiiCreateActionOpCode (\r | |
256 | OpCodeHandle, // Container for dynamic created opcodes\r | |
257 | (UINT16) QuestionID, // Question ID\r | |
258 | NameID, // Prompt text\r | |
259 | STRING_TOKEN (STR_NULL_STRING), // Help text\r | |
260 | EFI_IFR_FLAG_CALLBACK, // Question flag\r | |
261 | 0 // Action String ID\r | |
262 | );\r | |
263 | }\r | |
264 | \r | |
265 | \r | |
266 | /**\r | |
267 | Check whether the DevicePath is in the device path forbid list \r | |
268 | (mAccessInfo.LoadForbid).\r | |
269 | \r | |
270 | @param[in] DevicePath Points to device path.\r | |
271 | \r | |
272 | @retval TRUE The DevicePath is in the device path forbid list.\r | |
273 | @retval FALSE The DevicePath is not in the device path forbid list.\r | |
274 | \r | |
275 | **/\r | |
276 | BOOLEAN\r | |
277 | IsLoadForbidden (\r | |
278 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r | |
279 | )\r | |
280 | {\r | |
281 | UINTN OffSet;\r | |
282 | UINTN DPSize;\r | |
283 | UINTN Size;\r | |
284 | EFI_DEVICE_PATH_PROTOCOL *Dp;\r | |
285 | \r | |
286 | OffSet = 0;\r | |
287 | Size = GetDevicePathSize (DevicePath);\r | |
288 | //\r | |
289 | // Check each device path.\r | |
290 | //\r | |
291 | while (OffSet < mAccessInfo.LoadForbidLen) {\r | |
292 | Dp = (EFI_DEVICE_PATH_PROTOCOL *) (mAccessInfo.LoadForbid + OffSet);\r | |
293 | DPSize = GetDevicePathSize (Dp);\r | |
294 | //\r | |
295 | // Compare device path.\r | |
296 | //\r | |
297 | if ((DPSize == Size) && (CompareMem (DevicePath, Dp, Size) == 0)) {\r | |
298 | return TRUE;\r | |
299 | }\r | |
300 | OffSet += DPSize;\r | |
301 | }\r | |
302 | return FALSE;\r | |
303 | }\r | |
304 | \r | |
305 | \r | |
306 | /**\r | |
307 | Display the permit load device path in the loadable device path list.\r | |
308 | \r | |
309 | **/\r | |
310 | VOID\r | |
311 | DisplayLoadPermit(\r | |
312 | VOID\r | |
313 | )\r | |
314 | {\r | |
315 | EFI_STATUS Status;\r | |
316 | CHAR16 *Order;\r | |
317 | UINTN OrderSize;\r | |
318 | UINTN ListCount;\r | |
319 | UINTN Index;\r | |
320 | UINT8 *Var;\r | |
321 | UINT8 *VarPtr;\r | |
322 | CHAR16 VarName[12];\r | |
323 | VOID *StartOpCodeHandle;\r | |
324 | VOID *EndOpCodeHandle;\r | |
325 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
326 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
327 | \r | |
328 | //\r | |
329 | // Get DriverOrder.\r | |
330 | //\r | |
331 | OrderSize = 0;\r | |
332 | Status = gRT->GetVariable (\r | |
333 | L"DriverOrder", \r | |
334 | &gEfiGlobalVariableGuid, \r | |
335 | NULL, \r | |
336 | &OrderSize, \r | |
337 | NULL\r | |
338 | );\r | |
339 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
340 | return ;\r | |
341 | }\r | |
342 | \r | |
343 | Order = AllocateZeroPool (OrderSize);\r | |
344 | if (Order == NULL) {\r | |
345 | return ;\r | |
346 | }\r | |
347 | \r | |
348 | Status = gRT->GetVariable (\r | |
349 | L"DriverOrder", \r | |
350 | &gEfiGlobalVariableGuid, \r | |
351 | NULL, \r | |
352 | &OrderSize, \r | |
353 | Order\r | |
354 | );\r | |
355 | if (EFI_ERROR (Status)) {\r | |
356 | return ;\r | |
357 | }\r | |
358 | \r | |
359 | //\r | |
360 | // Initialize the container for dynamic opcodes.\r | |
361 | //\r | |
362 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
363 | ASSERT (StartOpCodeHandle != NULL);\r | |
364 | \r | |
365 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
366 | ASSERT (EndOpCodeHandle != NULL);\r | |
367 | \r | |
368 | //\r | |
369 | // Create Hii Extend Label OpCode.\r | |
370 | //\r | |
371 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
372 | StartOpCodeHandle,\r | |
373 | &gEfiIfrTianoGuid,\r | |
374 | NULL,\r | |
375 | sizeof (EFI_IFR_GUID_LABEL)\r | |
376 | );\r | |
377 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
378 | StartLabel->Number = LABEL_PERMIT_LOAD_FUNC;\r | |
379 | \r | |
380 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
381 | EndOpCodeHandle,\r | |
382 | &gEfiIfrTianoGuid,\r | |
383 | NULL,\r | |
384 | sizeof (EFI_IFR_GUID_LABEL)\r | |
385 | );\r | |
386 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
387 | EndLabel->Number = LABEL_END;\r | |
388 | \r | |
389 | //\r | |
390 | // Add each driver option.\r | |
391 | //\r | |
392 | Var = NULL;\r | |
393 | ListCount = OrderSize / sizeof (UINT16);\r | |
394 | for (Index = 0; Index < ListCount; Index++) {\r | |
395 | //\r | |
396 | // Get driver device path.\r | |
397 | //\r | |
398 | UnicodeSPrint (VarName, sizeof (VarName), L"Driver%04x", Order[Index]);\r | |
f01b91ae | 399 | GetEfiGlobalVariable2 (VarName, (VOID**)&Var, NULL);\r |
0c5b25f0 | 400 | if (Var == NULL) {\r |
401 | continue;\r | |
402 | }\r | |
403 | \r | |
404 | //\r | |
405 | // Check whether the driver is already forbidden.\r | |
406 | //\r | |
407 | \r | |
408 | VarPtr = Var;\r | |
409 | //\r | |
410 | // Skip attribute.\r | |
411 | //\r | |
412 | VarPtr += sizeof (UINT32);\r | |
413 | \r | |
414 | //\r | |
415 | // Skip device path lenth.\r | |
416 | //\r | |
417 | VarPtr += sizeof (UINT16);\r | |
418 | \r | |
419 | //\r | |
420 | // Skip descript string.\r | |
421 | //\r | |
422 | VarPtr += StrSize ((UINT16 *) VarPtr);\r | |
423 | \r | |
424 | if (IsLoadForbidden ((EFI_DEVICE_PATH_PROTOCOL *) VarPtr)) {\r | |
425 | FreePool (Var);\r | |
426 | Var = NULL;\r | |
427 | continue;\r | |
428 | }\r | |
429 | \r | |
430 | AddDevicePath (\r | |
431 | KEY_MODIFY_USER | KEY_MODIFY_AP_DP | KEY_LOAD_PERMIT_MODIFY | Order[Index],\r | |
432 | (EFI_DEVICE_PATH_PROTOCOL *) VarPtr,\r | |
433 | StartOpCodeHandle\r | |
434 | );\r | |
435 | FreePool (Var);\r | |
436 | Var = NULL;\r | |
437 | }\r | |
438 | \r | |
439 | HiiUpdateForm (\r | |
440 | mCallbackInfo->HiiHandle, // HII handle\r | |
441 | &gUserProfileManagerGuid, // Formset GUID\r | |
442 | FORMID_PERMIT_LOAD_DP, // Form ID\r | |
443 | StartOpCodeHandle, // Label for where to insert opcodes\r | |
444 | EndOpCodeHandle // Replace data\r | |
445 | );\r | |
446 | \r | |
447 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
448 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
449 | \r | |
450 | //\r | |
451 | // Clear Environment.\r | |
452 | //\r | |
453 | if (Var != NULL) {\r | |
454 | FreePool (Var);\r | |
455 | }\r | |
456 | FreePool (Order);\r | |
457 | }\r | |
458 | \r | |
459 | \r | |
460 | /**\r | |
461 | Display the forbid load device path list (mAccessInfo.LoadForbid).\r | |
462 | \r | |
463 | **/\r | |
464 | VOID\r | |
465 | DisplayLoadForbid (\r | |
466 | VOID\r | |
467 | )\r | |
468 | {\r | |
469 | UINTN Offset;\r | |
470 | UINTN DPSize;\r | |
471 | UINTN Index;\r | |
472 | EFI_DEVICE_PATH_PROTOCOL *Dp;\r | |
473 | VOID *StartOpCodeHandle;\r | |
474 | VOID *EndOpCodeHandle;\r | |
475 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
476 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
477 | \r | |
478 | //\r | |
479 | // Initialize the container for dynamic opcodes.\r | |
480 | //\r | |
481 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
482 | ASSERT (StartOpCodeHandle != NULL);\r | |
483 | \r | |
484 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
485 | ASSERT (EndOpCodeHandle != NULL);\r | |
486 | \r | |
487 | //\r | |
488 | // Create Hii Extend Label OpCode.\r | |
489 | //\r | |
490 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
491 | StartOpCodeHandle,\r | |
492 | &gEfiIfrTianoGuid,\r | |
493 | NULL,\r | |
494 | sizeof (EFI_IFR_GUID_LABEL)\r | |
495 | );\r | |
496 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
497 | StartLabel->Number = LABLE_FORBID_LOAD_FUNC;\r | |
498 | \r | |
499 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
500 | EndOpCodeHandle,\r | |
501 | &gEfiIfrTianoGuid,\r | |
502 | NULL,\r | |
503 | sizeof (EFI_IFR_GUID_LABEL)\r | |
504 | );\r | |
505 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
506 | EndLabel->Number = LABEL_END;\r | |
507 | \r | |
508 | //\r | |
509 | // Add each forbid load drivers.\r | |
510 | //\r | |
511 | Offset = 0;\r | |
512 | Index = 0;\r | |
513 | while (Offset < mAccessInfo.LoadForbidLen) {\r | |
514 | Dp = (EFI_DEVICE_PATH_PROTOCOL *) (mAccessInfo.LoadForbid + Offset);\r | |
515 | DPSize = GetDevicePathSize (Dp);\r | |
516 | AddDevicePath (\r | |
517 | KEY_MODIFY_USER | KEY_MODIFY_AP_DP | KEY_LOAD_FORBID_MODIFY | Index,\r | |
518 | Dp,\r | |
519 | StartOpCodeHandle\r | |
520 | );\r | |
521 | Index++;\r | |
522 | Offset += DPSize;\r | |
523 | }\r | |
524 | \r | |
525 | HiiUpdateForm (\r | |
526 | mCallbackInfo->HiiHandle, // HII handle\r | |
527 | &gUserProfileManagerGuid, // Formset GUID\r | |
528 | FORMID_FORBID_LOAD_DP, // Form ID\r | |
529 | StartOpCodeHandle, // Label for where to insert opcodes\r | |
530 | EndOpCodeHandle // Replace data\r | |
531 | );\r | |
532 | \r | |
533 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
534 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
535 | }\r | |
536 | \r | |
537 | \r | |
538 | /**\r | |
539 | Display the permit connect device path.\r | |
540 | \r | |
541 | **/\r | |
542 | VOID\r | |
543 | DisplayConnectPermit (\r | |
544 | VOID\r | |
545 | )\r | |
546 | {\r | |
547 | //\r | |
548 | // Note: \r | |
549 | // As no architect protocol/interface to be called in ConnectController()\r | |
550 | // to verify the device path, just add a place holder for permitted connect\r | |
551 | // device path.\r | |
552 | //\r | |
553 | }\r | |
554 | \r | |
555 | \r | |
556 | /**\r | |
557 | Display the forbid connect device path list.\r | |
558 | \r | |
559 | **/\r | |
560 | VOID\r | |
561 | DisplayConnectForbid (\r | |
562 | VOID\r | |
563 | )\r | |
564 | {\r | |
565 | //\r | |
566 | // Note: \r | |
567 | // As no architect protocol/interface to be called in ConnectController()\r | |
568 | // to verify the device path, just add a place holder for forbidden connect\r | |
569 | // device path.\r | |
570 | //\r | |
571 | }\r | |
572 | \r | |
573 | \r | |
574 | /**\r | |
575 | Delete the specified device path by DriverIndex from the forbid device path \r | |
576 | list (mAccessInfo.LoadForbid).\r | |
577 | \r | |
578 | @param[in] DriverIndex The index of driver in forbidden device path list.\r | |
579 | \r | |
580 | **/\r | |
581 | VOID\r | |
582 | DeleteFromForbidLoad (\r | |
583 | IN UINT16 DriverIndex\r | |
584 | )\r | |
585 | {\r | |
586 | UINTN OffSet;\r | |
587 | UINTN DPSize;\r | |
588 | UINTN OffLen;\r | |
589 | EFI_DEVICE_PATH_PROTOCOL *Dp;\r | |
590 | \r | |
591 | OffSet = 0;\r | |
592 | //\r | |
593 | // Find the specified device path.\r | |
594 | //\r | |
595 | while ((OffSet < mAccessInfo.LoadForbidLen) && (DriverIndex > 0)) {\r | |
596 | Dp = (EFI_DEVICE_PATH_PROTOCOL *) (mAccessInfo.LoadForbid + OffSet);\r | |
597 | DPSize = GetDevicePathSize (Dp);\r | |
598 | OffSet += DPSize;\r | |
599 | DriverIndex--;\r | |
600 | }\r | |
601 | \r | |
602 | //\r | |
603 | // Specified device path found.\r | |
604 | //\r | |
605 | if (DriverIndex == 0) {\r | |
606 | Dp = (EFI_DEVICE_PATH_PROTOCOL *) (mAccessInfo.LoadForbid + OffSet);\r | |
607 | DPSize = GetDevicePathSize (Dp);\r | |
608 | OffLen = mAccessInfo.LoadForbidLen - OffSet - DPSize;\r | |
609 | if (OffLen > 0) {\r | |
610 | CopyMem (\r | |
611 | mAccessInfo.LoadForbid + OffSet, \r | |
612 | mAccessInfo.LoadForbid + OffSet + DPSize, \r | |
613 | OffLen\r | |
614 | );\r | |
615 | }\r | |
616 | mAccessInfo.LoadForbidLen -= DPSize;\r | |
617 | }\r | |
618 | }\r | |
619 | \r | |
620 | \r | |
621 | /**\r | |
622 | Add the specified device path by DriverIndex to the forbid device path \r | |
623 | list (mAccessInfo.LoadForbid).\r | |
624 | \r | |
625 | @param[in] DriverIndex The index of driver saved in driver options.\r | |
626 | \r | |
627 | **/\r | |
628 | VOID\r | |
629 | AddToForbidLoad (\r | |
630 | IN UINT16 DriverIndex\r | |
631 | )\r | |
632 | {\r | |
633 | UINTN DevicePathLen;\r | |
634 | UINT8 *Var;\r | |
635 | UINT8 *VarPtr;\r | |
636 | UINTN NewLen;\r | |
637 | UINT8 *NewFL;\r | |
638 | CHAR16 VarName[13];\r | |
639 | \r | |
640 | //\r | |
641 | // Get loadable driver device path.\r | |
642 | //\r | |
643 | UnicodeSPrint (VarName, sizeof (VarName), L"Driver%04x", DriverIndex);\r | |
f01b91ae | 644 | GetEfiGlobalVariable2 (VarName, (VOID**)&Var, NULL);\r |
0c5b25f0 | 645 | if (Var == NULL) {\r |
646 | return;\r | |
647 | }\r | |
648 | \r | |
649 | //\r | |
650 | // Save forbid load driver.\r | |
651 | //\r | |
652 | \r | |
653 | VarPtr = Var;\r | |
654 | //\r | |
655 | // Skip attribute.\r | |
656 | //\r | |
657 | VarPtr += sizeof (UINT32);\r | |
658 | \r | |
659 | DevicePathLen = *(UINT16 *) VarPtr;\r | |
660 | //\r | |
661 | // Skip device path length.\r | |
662 | //\r | |
663 | VarPtr += sizeof (UINT16);\r | |
664 | \r | |
665 | //\r | |
666 | // Skip description string.\r | |
667 | //\r | |
668 | VarPtr += StrSize ((UINT16 *) VarPtr);\r | |
669 | \r | |
670 | NewLen = mAccessInfo.LoadForbidLen + DevicePathLen;\r | |
671 | NewFL = AllocateZeroPool (NewLen);\r | |
672 | if (NewFL == NULL) {\r | |
673 | FreePool (Var);\r | |
674 | return ;\r | |
675 | }\r | |
676 | \r | |
677 | if (mAccessInfo.LoadForbidLen > 0) {\r | |
678 | CopyMem (NewFL, mAccessInfo.LoadForbid, mAccessInfo.LoadForbidLen);\r | |
679 | FreePool (mAccessInfo.LoadForbid);\r | |
680 | }\r | |
681 | \r | |
682 | CopyMem (NewFL + mAccessInfo.LoadForbidLen, VarPtr, DevicePathLen);\r | |
683 | mAccessInfo.LoadForbidLen = NewLen;\r | |
684 | mAccessInfo.LoadForbid = NewFL;\r | |
685 | FreePool (Var);\r | |
686 | }\r | |
687 | \r | |
688 | \r |