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a6811666 SZ |
1 | /** @file\r |
2 | Implement authentication services for the authenticated variables.\r | |
3 | \r | |
4 | Caution: This module requires additional review when modified.\r | |
5 | This driver will have external input - variable data. It may be input in SMM mode.\r | |
6 | This external input must be validated carefully to avoid security issue like\r | |
7 | buffer overflow, integer overflow.\r | |
8 | Variable attribute should also be checked to avoid authentication bypass.\r | |
9 | The whole SMM authentication variable design relies on the integrity of flash part and SMM.\r | |
10 | which is assumed to be protected by platform. All variable code and metadata in flash/SMM Memory\r | |
11 | may not be modified without authorization. If platform fails to protect these resources,\r | |
12 | the authentication service provided in this driver will be broken, and the behavior is undefined.\r | |
13 | \r | |
98c2d961 | 14 | Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r |
289b714b | 15 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
a6811666 SZ |
16 | \r |
17 | **/\r | |
18 | \r | |
19 | #include "AuthServiceInternal.h"\r | |
20 | \r | |
21 | ///\r | |
22 | /// Global database array for scratch\r | |
23 | ///\r | |
a6811666 SZ |
24 | UINT8 *mCertDbStore;\r |
25 | UINT32 mMaxCertDbSize;\r | |
560ac77e | 26 | UINT32 mPlatformMode;\r |
a6811666 SZ |
27 | UINT8 mVendorKeyState;\r |
28 | \r | |
29 | EFI_GUID mSignatureSupport[] = {EFI_CERT_SHA1_GUID, EFI_CERT_SHA256_GUID, EFI_CERT_RSA2048_GUID, EFI_CERT_X509_GUID};\r | |
30 | \r | |
31 | //\r | |
32 | // Hash context pointer\r | |
33 | //\r | |
34 | VOID *mHashCtx = NULL;\r | |
35 | \r | |
36 | VARIABLE_ENTRY_PROPERTY mAuthVarEntry[] = {\r | |
37 | {\r | |
38 | &gEfiSecureBootEnableDisableGuid,\r | |
39 | EFI_SECURE_BOOT_ENABLE_NAME,\r | |
40 | {\r | |
41 | VAR_CHECK_VARIABLE_PROPERTY_REVISION,\r | |
42 | 0,\r | |
43 | VARIABLE_ATTRIBUTE_NV_BS,\r | |
44 | sizeof (UINT8),\r | |
45 | sizeof (UINT8)\r | |
46 | }\r | |
47 | },\r | |
48 | {\r | |
49 | &gEfiCustomModeEnableGuid,\r | |
50 | EFI_CUSTOM_MODE_NAME,\r | |
51 | {\r | |
52 | VAR_CHECK_VARIABLE_PROPERTY_REVISION,\r | |
53 | 0,\r | |
54 | VARIABLE_ATTRIBUTE_NV_BS,\r | |
55 | sizeof (UINT8),\r | |
56 | sizeof (UINT8)\r | |
57 | }\r | |
58 | },\r | |
59 | {\r | |
60 | &gEfiVendorKeysNvGuid,\r | |
61 | EFI_VENDOR_KEYS_NV_VARIABLE_NAME,\r | |
62 | {\r | |
63 | VAR_CHECK_VARIABLE_PROPERTY_REVISION,\r | |
64 | VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY,\r | |
65 | VARIABLE_ATTRIBUTE_NV_BS_RT_AT,\r | |
66 | sizeof (UINT8),\r | |
67 | sizeof (UINT8)\r | |
68 | }\r | |
69 | },\r | |
a6811666 SZ |
70 | {\r |
71 | &gEfiCertDbGuid,\r | |
72 | EFI_CERT_DB_NAME,\r | |
73 | {\r | |
74 | VAR_CHECK_VARIABLE_PROPERTY_REVISION,\r | |
75 | VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY,\r | |
76 | VARIABLE_ATTRIBUTE_NV_BS_RT_AT,\r | |
77 | sizeof (UINT32),\r | |
78 | MAX_UINTN\r | |
79 | }\r | |
80 | },\r | |
98c2d961 CZ |
81 | {\r |
82 | &gEfiCertDbGuid,\r | |
83 | EFI_CERT_DB_VOLATILE_NAME,\r | |
84 | {\r | |
85 | VAR_CHECK_VARIABLE_PROPERTY_REVISION,\r | |
86 | VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY,\r | |
87 | VARIABLE_ATTRIBUTE_BS_RT_AT,\r | |
88 | sizeof (UINT32),\r | |
89 | MAX_UINTN\r | |
90 | }\r | |
91 | },\r | |
a6811666 SZ |
92 | };\r |
93 | \r | |
0130fdde | 94 | VOID **mAuthVarAddressPointer[9];\r |
a6811666 SZ |
95 | \r |
96 | AUTH_VAR_LIB_CONTEXT_IN *mAuthVarLibContextIn = NULL;\r | |
97 | \r | |
98 | /**\r | |
d6b926e7 | 99 | Initialization for authenticated variable services.\r |
a6811666 SZ |
100 | If this initialization returns error status, other APIs will not work\r |
101 | and expect to be not called then.\r | |
102 | \r | |
103 | @param[in] AuthVarLibContextIn Pointer to input auth variable lib context.\r | |
104 | @param[out] AuthVarLibContextOut Pointer to output auth variable lib context.\r | |
105 | \r | |
106 | @retval EFI_SUCCESS Function successfully executed.\r | |
107 | @retval EFI_INVALID_PARAMETER If AuthVarLibContextIn == NULL or AuthVarLibContextOut == NULL.\r | |
108 | @retval EFI_OUT_OF_RESOURCES Fail to allocate enough resource.\r | |
109 | @retval EFI_UNSUPPORTED Unsupported to process authenticated variable.\r | |
110 | \r | |
111 | **/\r | |
112 | EFI_STATUS\r | |
113 | EFIAPI\r | |
114 | AuthVariableLibInitialize (\r | |
115 | IN AUTH_VAR_LIB_CONTEXT_IN *AuthVarLibContextIn,\r | |
116 | OUT AUTH_VAR_LIB_CONTEXT_OUT *AuthVarLibContextOut\r | |
117 | )\r | |
118 | {\r | |
119 | EFI_STATUS Status;\r | |
a6811666 SZ |
120 | UINT32 VarAttr;\r |
121 | UINT8 *Data;\r | |
122 | UINTN DataSize;\r | |
123 | UINTN CtxSize;\r | |
560ac77e ZC |
124 | UINT8 SecureBootMode;\r |
125 | UINT8 SecureBootEnable;\r | |
a6811666 SZ |
126 | UINT8 CustomMode;\r |
127 | UINT32 ListSize;\r | |
128 | \r | |
129 | if ((AuthVarLibContextIn == NULL) || (AuthVarLibContextOut == NULL)) {\r | |
130 | return EFI_INVALID_PARAMETER;\r | |
131 | }\r | |
132 | \r | |
133 | mAuthVarLibContextIn = AuthVarLibContextIn;\r | |
134 | \r | |
135 | //\r | |
136 | // Initialize hash context.\r | |
137 | //\r | |
138 | CtxSize = Sha256GetContextSize ();\r | |
139 | mHashCtx = AllocateRuntimePool (CtxSize);\r | |
140 | if (mHashCtx == NULL) {\r | |
141 | return EFI_OUT_OF_RESOURCES;\r | |
142 | }\r | |
143 | \r | |
a6811666 SZ |
144 | //\r |
145 | // Reserve runtime buffer for certificate database. The size excludes variable header and name size.\r | |
98c2d961 | 146 | // Use EFI_CERT_DB_VOLATILE_NAME size since it is longer.\r |
a6811666 | 147 | //\r |
98c2d961 | 148 | mMaxCertDbSize = (UINT32) (mAuthVarLibContextIn->MaxAuthVariableSize - sizeof (EFI_CERT_DB_VOLATILE_NAME));\r |
a6811666 SZ |
149 | mCertDbStore = AllocateRuntimePool (mMaxCertDbSize);\r |
150 | if (mCertDbStore == NULL) {\r | |
151 | return EFI_OUT_OF_RESOURCES;\r | |
152 | }\r | |
153 | \r | |
560ac77e ZC |
154 | Status = AuthServiceInternalFindVariable (EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid, (VOID **) &Data, &DataSize);\r |
155 | if (EFI_ERROR (Status)) {\r | |
156 | DEBUG ((EFI_D_INFO, "Variable %s does not exist.\n", EFI_PLATFORM_KEY_NAME));\r | |
157 | } else {\r | |
158 | DEBUG ((EFI_D_INFO, "Variable %s exists.\n", EFI_PLATFORM_KEY_NAME));\r | |
159 | }\r | |
160 | \r | |
a6811666 | 161 | //\r |
560ac77e | 162 | // Create "SetupMode" variable with BS+RT attribute set.\r |
a6811666 | 163 | //\r |
560ac77e ZC |
164 | if (EFI_ERROR (Status)) {\r |
165 | mPlatformMode = SETUP_MODE;\r | |
166 | } else {\r | |
167 | mPlatformMode = USER_MODE;\r | |
168 | }\r | |
169 | Status = AuthServiceInternalUpdateVariable (\r | |
170 | EFI_SETUP_MODE_NAME,\r | |
171 | &gEfiGlobalVariableGuid,\r | |
172 | &mPlatformMode,\r | |
173 | sizeof(UINT8),\r | |
174 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS\r | |
175 | );\r | |
176 | if (EFI_ERROR (Status)) {\r | |
177 | return Status;\r | |
178 | }\r | |
a6811666 SZ |
179 | \r |
180 | //\r | |
181 | // Create "SignatureSupport" variable with BS+RT attribute set.\r | |
182 | //\r | |
183 | Status = AuthServiceInternalUpdateVariable (\r | |
184 | EFI_SIGNATURE_SUPPORT_NAME,\r | |
185 | &gEfiGlobalVariableGuid,\r | |
186 | mSignatureSupport,\r | |
187 | sizeof(mSignatureSupport),\r | |
188 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS\r | |
189 | );\r | |
190 | if (EFI_ERROR (Status)) {\r | |
191 | return Status;\r | |
192 | }\r | |
193 | \r | |
560ac77e ZC |
194 | //\r |
195 | // If "SecureBootEnable" variable exists, then update "SecureBoot" variable.\r | |
196 | // If "SecureBootEnable" variable is SECURE_BOOT_ENABLE and in USER_MODE, Set "SecureBoot" variable to SECURE_BOOT_MODE_ENABLE.\r | |
197 | // If "SecureBootEnable" variable is SECURE_BOOT_DISABLE, Set "SecureBoot" variable to SECURE_BOOT_MODE_DISABLE.\r | |
198 | //\r | |
199 | SecureBootEnable = SECURE_BOOT_DISABLE;\r | |
200 | Status = AuthServiceInternalFindVariable (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID **) &Data, &DataSize);\r | |
201 | if (!EFI_ERROR (Status)) {\r | |
202 | if (mPlatformMode == USER_MODE){\r | |
203 | SecureBootEnable = *(UINT8 *) Data;\r | |
204 | }\r | |
205 | } else if (mPlatformMode == USER_MODE) {\r | |
206 | //\r | |
207 | // "SecureBootEnable" not exist, initialize it in USER_MODE.\r | |
208 | //\r | |
209 | SecureBootEnable = SECURE_BOOT_ENABLE;\r | |
210 | Status = AuthServiceInternalUpdateVariable (\r | |
211 | EFI_SECURE_BOOT_ENABLE_NAME,\r | |
212 | &gEfiSecureBootEnableDisableGuid,\r | |
213 | &SecureBootEnable,\r | |
214 | sizeof (UINT8),\r | |
215 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
216 | );\r | |
217 | if (EFI_ERROR (Status)) {\r | |
218 | return Status;\r | |
219 | }\r | |
220 | }\r | |
221 | \r | |
222 | //\r | |
223 | // Create "SecureBoot" variable with BS+RT attribute set.\r | |
224 | //\r | |
225 | if (SecureBootEnable == SECURE_BOOT_ENABLE && mPlatformMode == USER_MODE) {\r | |
226 | SecureBootMode = SECURE_BOOT_MODE_ENABLE;\r | |
227 | } else {\r | |
228 | SecureBootMode = SECURE_BOOT_MODE_DISABLE;\r | |
229 | }\r | |
230 | Status = AuthServiceInternalUpdateVariable (\r | |
231 | EFI_SECURE_BOOT_MODE_NAME,\r | |
232 | &gEfiGlobalVariableGuid,\r | |
233 | &SecureBootMode,\r | |
234 | sizeof (UINT8),\r | |
235 | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
236 | );\r | |
237 | if (EFI_ERROR (Status)) {\r | |
238 | return Status;\r | |
239 | }\r | |
240 | \r | |
241 | DEBUG ((EFI_D_INFO, "Variable %s is %x\n", EFI_SETUP_MODE_NAME, mPlatformMode));\r | |
242 | DEBUG ((EFI_D_INFO, "Variable %s is %x\n", EFI_SECURE_BOOT_MODE_NAME, SecureBootMode));\r | |
243 | DEBUG ((EFI_D_INFO, "Variable %s is %x\n", EFI_SECURE_BOOT_ENABLE_NAME, SecureBootEnable));\r | |
244 | \r | |
a6811666 SZ |
245 | //\r |
246 | // Initialize "CustomMode" in STANDARD_SECURE_BOOT_MODE state.\r | |
247 | //\r | |
248 | CustomMode = STANDARD_SECURE_BOOT_MODE;\r | |
249 | Status = AuthServiceInternalUpdateVariable (\r | |
250 | EFI_CUSTOM_MODE_NAME,\r | |
251 | &gEfiCustomModeEnableGuid,\r | |
252 | &CustomMode,\r | |
253 | sizeof (UINT8),\r | |
254 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
255 | );\r | |
256 | if (EFI_ERROR (Status)) {\r | |
257 | return Status;\r | |
258 | }\r | |
259 | \r | |
260 | DEBUG ((EFI_D_INFO, "Variable %s is %x\n", EFI_CUSTOM_MODE_NAME, CustomMode));\r | |
261 | \r | |
262 | //\r | |
263 | // Check "certdb" variable's existence.\r | |
264 | // If it doesn't exist, then create a new one with\r | |
265 | // EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS set.\r | |
266 | //\r | |
267 | Status = AuthServiceInternalFindVariable (\r | |
268 | EFI_CERT_DB_NAME,\r | |
269 | &gEfiCertDbGuid,\r | |
270 | (VOID **) &Data,\r | |
271 | &DataSize\r | |
272 | );\r | |
273 | if (EFI_ERROR (Status)) {\r | |
274 | VarAttr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
275 | ListSize = sizeof (UINT32);\r | |
276 | Status = AuthServiceInternalUpdateVariable (\r | |
277 | EFI_CERT_DB_NAME,\r | |
278 | &gEfiCertDbGuid,\r | |
279 | &ListSize,\r | |
280 | sizeof (UINT32),\r | |
281 | VarAttr\r | |
282 | );\r | |
283 | if (EFI_ERROR (Status)) {\r | |
284 | return Status;\r | |
285 | }\r | |
64b6a3ff CZ |
286 | } else {\r |
287 | //\r | |
288 | // Clean up Certs to make certDB & Time based auth variable consistent\r | |
289 | //\r | |
290 | Status = CleanCertsFromDb();\r | |
291 | if (EFI_ERROR (Status)) {\r | |
f3964772 | 292 | DEBUG ((EFI_D_ERROR, "Clean up CertDB fail! Status %x\n", Status));\r |
64b6a3ff CZ |
293 | return Status;\r |
294 | }\r | |
a6811666 SZ |
295 | }\r |
296 | \r | |
98c2d961 CZ |
297 | //\r |
298 | // Create "certdbv" variable with RT+BS+AT set.\r | |
299 | //\r | |
300 | VarAttr = EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
301 | ListSize = sizeof (UINT32);\r | |
302 | Status = AuthServiceInternalUpdateVariable (\r | |
303 | EFI_CERT_DB_VOLATILE_NAME,\r | |
304 | &gEfiCertDbGuid,\r | |
305 | &ListSize,\r | |
306 | sizeof (UINT32),\r | |
307 | VarAttr\r | |
308 | );\r | |
309 | if (EFI_ERROR (Status)) {\r | |
310 | return Status;\r | |
311 | }\r | |
312 | \r | |
a6811666 SZ |
313 | //\r |
314 | // Check "VendorKeysNv" variable's existence and create "VendorKeys" variable accordingly.\r | |
315 | //\r | |
316 | Status = AuthServiceInternalFindVariable (EFI_VENDOR_KEYS_NV_VARIABLE_NAME, &gEfiVendorKeysNvGuid, (VOID **) &Data, &DataSize);\r | |
317 | if (!EFI_ERROR (Status)) {\r | |
318 | mVendorKeyState = *(UINT8 *)Data;\r | |
319 | } else {\r | |
320 | //\r | |
321 | // "VendorKeysNv" not exist, initialize it in VENDOR_KEYS_VALID state.\r | |
322 | //\r | |
323 | mVendorKeyState = VENDOR_KEYS_VALID;\r | |
324 | Status = AuthServiceInternalUpdateVariable (\r | |
325 | EFI_VENDOR_KEYS_NV_VARIABLE_NAME,\r | |
326 | &gEfiVendorKeysNvGuid,\r | |
327 | &mVendorKeyState,\r | |
328 | sizeof (UINT8),\r | |
329 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS\r | |
330 | );\r | |
331 | if (EFI_ERROR (Status)) {\r | |
332 | return Status;\r | |
333 | }\r | |
334 | }\r | |
335 | \r | |
336 | //\r | |
337 | // Create "VendorKeys" variable with BS+RT attribute set.\r | |
338 | //\r | |
339 | Status = AuthServiceInternalUpdateVariable (\r | |
340 | EFI_VENDOR_KEYS_VARIABLE_NAME,\r | |
341 | &gEfiGlobalVariableGuid,\r | |
342 | &mVendorKeyState,\r | |
343 | sizeof (UINT8),\r | |
344 | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
345 | );\r | |
346 | if (EFI_ERROR (Status)) {\r | |
347 | return Status;\r | |
348 | }\r | |
349 | \r | |
350 | DEBUG ((EFI_D_INFO, "Variable %s is %x\n", EFI_VENDOR_KEYS_VARIABLE_NAME, mVendorKeyState));\r | |
351 | \r | |
352 | AuthVarLibContextOut->StructVersion = AUTH_VAR_LIB_CONTEXT_OUT_STRUCT_VERSION;\r | |
353 | AuthVarLibContextOut->StructSize = sizeof (AUTH_VAR_LIB_CONTEXT_OUT);\r | |
354 | AuthVarLibContextOut->AuthVarEntry = mAuthVarEntry;\r | |
3318f893 | 355 | AuthVarLibContextOut->AuthVarEntryCount = ARRAY_SIZE (mAuthVarEntry);\r |
0130fdde ZC |
356 | mAuthVarAddressPointer[0] = (VOID **) &mCertDbStore;\r |
357 | mAuthVarAddressPointer[1] = (VOID **) &mHashCtx;\r | |
358 | mAuthVarAddressPointer[2] = (VOID **) &mAuthVarLibContextIn;\r | |
359 | mAuthVarAddressPointer[3] = (VOID **) &(mAuthVarLibContextIn->FindVariable),\r | |
360 | mAuthVarAddressPointer[4] = (VOID **) &(mAuthVarLibContextIn->FindNextVariable),\r | |
361 | mAuthVarAddressPointer[5] = (VOID **) &(mAuthVarLibContextIn->UpdateVariable),\r | |
362 | mAuthVarAddressPointer[6] = (VOID **) &(mAuthVarLibContextIn->GetScratchBuffer),\r | |
363 | mAuthVarAddressPointer[7] = (VOID **) &(mAuthVarLibContextIn->CheckRemainingSpaceForConsistency),\r | |
364 | mAuthVarAddressPointer[8] = (VOID **) &(mAuthVarLibContextIn->AtRuntime),\r | |
f18b2162 | 365 | AuthVarLibContextOut->AddressPointer = mAuthVarAddressPointer;\r |
3318f893 | 366 | AuthVarLibContextOut->AddressPointerCount = ARRAY_SIZE (mAuthVarAddressPointer);\r |
a6811666 SZ |
367 | \r |
368 | return Status;\r | |
369 | }\r | |
370 | \r | |
371 | /**\r | |
0130fdde | 372 | Process variable with EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS set.\r |
a6811666 SZ |
373 | \r |
374 | @param[in] VariableName Name of the variable.\r | |
375 | @param[in] VendorGuid Variable vendor GUID.\r | |
376 | @param[in] Data Data pointer.\r | |
377 | @param[in] DataSize Size of Data.\r | |
378 | @param[in] Attributes Attribute value of the variable.\r | |
379 | \r | |
380 | @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as\r | |
381 | defined by the Attributes.\r | |
382 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r | |
383 | @retval EFI_WRITE_PROTECTED Variable is write-protected.\r | |
384 | @retval EFI_OUT_OF_RESOURCES There is not enough resource.\r | |
d6b926e7 | 385 | @retval EFI_SECURITY_VIOLATION The variable is with EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS\r |
a6811666 SZ |
386 | set, but the AuthInfo does NOT pass the validation\r |
387 | check carried out by the firmware.\r | |
388 | @retval EFI_UNSUPPORTED Unsupported to process authenticated variable.\r | |
389 | \r | |
390 | **/\r | |
391 | EFI_STATUS\r | |
392 | EFIAPI\r | |
393 | AuthVariableLibProcessVariable (\r | |
394 | IN CHAR16 *VariableName,\r | |
395 | IN EFI_GUID *VendorGuid,\r | |
396 | IN VOID *Data,\r | |
397 | IN UINTN DataSize,\r | |
398 | IN UINT32 Attributes\r | |
399 | )\r | |
400 | {\r | |
401 | EFI_STATUS Status;\r | |
402 | \r | |
403 | if (CompareGuid (VendorGuid, &gEfiGlobalVariableGuid) && (StrCmp (VariableName, EFI_PLATFORM_KEY_NAME) == 0)){\r | |
404 | Status = ProcessVarWithPk (VariableName, VendorGuid, Data, DataSize, Attributes, TRUE);\r | |
405 | } else if (CompareGuid (VendorGuid, &gEfiGlobalVariableGuid) && (StrCmp (VariableName, EFI_KEY_EXCHANGE_KEY_NAME) == 0)) {\r | |
406 | Status = ProcessVarWithPk (VariableName, VendorGuid, Data, DataSize, Attributes, FALSE);\r | |
407 | } else if (CompareGuid (VendorGuid, &gEfiImageSecurityDatabaseGuid) &&\r | |
408 | ((StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE) == 0) ||\r | |
409 | (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE1) == 0) ||\r | |
410 | (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0)\r | |
411 | )) {\r | |
412 | Status = ProcessVarWithPk (VariableName, VendorGuid, Data, DataSize, Attributes, FALSE);\r | |
413 | if (EFI_ERROR (Status)) {\r | |
414 | Status = ProcessVarWithKek (VariableName, VendorGuid, Data, DataSize, Attributes);\r | |
415 | }\r | |
416 | } else {\r | |
417 | Status = ProcessVariable (VariableName, VendorGuid, Data, DataSize, Attributes);\r | |
418 | }\r | |
419 | \r | |
420 | return Status;\r | |
421 | }\r |