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beda2356 | 1 | /** @file\r |
2 | HII Config Access protocol implementation of SecureBoot configuration module.\r | |
3 | \r | |
c035e373 | 4 | Copyright (c) 2011 - 2017, Intel Corporation. All rights reserved.<BR>\r |
bc0c99b3 | 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 | |
beda2356 | 8 | http://opensource.org/licenses/bsd-license.php\r |
9 | \r | |
bc0c99b3 | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
beda2356 | 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "SecureBootConfigImpl.h"\r | |
16 | \r | |
ecc722ad | 17 | CHAR16 mSecureBootStorageName[] = L"SECUREBOOT_CONFIGURATION";\r |
beda2356 | 18 | \r |
19 | SECUREBOOT_CONFIG_PRIVATE_DATA mSecureBootConfigPrivateDateTemplate = {\r | |
20333c6d | 20 | SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE,\r |
beda2356 | 21 | {\r |
22 | SecureBootExtractConfig,\r | |
23 | SecureBootRouteConfig,\r | |
24 | SecureBootCallback\r | |
25 | }\r | |
26 | };\r | |
27 | \r | |
28 | HII_VENDOR_DEVICE_PATH mSecureBootHiiVendorDevicePath = {\r | |
29 | {\r | |
30 | {\r | |
31 | HARDWARE_DEVICE_PATH,\r | |
32 | HW_VENDOR_DP,\r | |
33 | {\r | |
34 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
35 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
36 | }\r | |
37 | },\r | |
38 | SECUREBOOT_CONFIG_FORM_SET_GUID\r | |
39 | },\r | |
40 | {\r | |
41 | END_DEVICE_PATH_TYPE,\r | |
42 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
bc0c99b3 | 43 | {\r |
beda2356 | 44 | (UINT8) (END_DEVICE_PATH_LENGTH),\r |
45 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
46 | }\r | |
47 | }\r | |
48 | };\r | |
49 | \r | |
ecc722ad | 50 | \r |
a365eed4 FS |
51 | BOOLEAN mIsEnterSecureBootForm = FALSE;\r |
52 | \r | |
ecc722ad | 53 | //\r |
54 | // OID ASN.1 Value for Hash Algorithms\r | |
55 | //\r | |
56 | UINT8 mHashOidValue[] = {\r | |
57 | 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, // OBJ_md5\r | |
58 | 0x2B, 0x0E, 0x03, 0x02, 0x1A, // OBJ_sha1\r | |
59 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, // OBJ_sha224\r | |
60 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, // OBJ_sha256\r | |
61 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, // OBJ_sha384\r | |
62 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, // OBJ_sha512\r | |
63 | };\r | |
64 | \r | |
65 | HASH_TABLE mHash[] = {\r | |
20333c6d QL |
66 | { L"SHA224", 28, &mHashOidValue[13], 9, NULL, NULL, NULL, NULL },\r |
67 | { L"SHA256", 32, &mHashOidValue[22], 9, Sha256GetContextSize, Sha256Init, Sha256Update, Sha256Final},\r | |
68 | { L"SHA384", 48, &mHashOidValue[31], 9, Sha384GetContextSize, Sha384Init, Sha384Update, Sha384Final},\r | |
69 | { L"SHA512", 64, &mHashOidValue[40], 9, Sha512GetContextSize, Sha512Init, Sha512Update, Sha512Final}\r | |
ecc722ad | 70 | };\r |
71 | \r | |
e4d7370d | 72 | //\r |
20333c6d QL |
73 | // Variable Definitions\r |
74 | //\r | |
ecc722ad | 75 | UINT32 mPeCoffHeaderOffset = 0;\r |
76 | WIN_CERTIFICATE *mCertificate = NULL;\r | |
77 | IMAGE_TYPE mImageType;\r | |
78 | UINT8 *mImageBase = NULL;\r | |
79 | UINTN mImageSize = 0;\r | |
80 | UINT8 mImageDigest[MAX_DIGEST_SIZE];\r | |
81 | UINTN mImageDigestSize;\r | |
82 | EFI_GUID mCertType;\r | |
83 | EFI_IMAGE_SECURITY_DATA_DIRECTORY *mSecDataDir = NULL;\r | |
84 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION mNtHeader;\r | |
85 | \r | |
e4d7370d | 86 | //\r |
87 | // Possible DER-encoded certificate file suffixes, end with NULL pointer.\r | |
88 | //\r | |
89 | CHAR16* mDerEncodedSuffix[] = {\r | |
90 | L".cer",\r | |
91 | L".der",\r | |
92 | L".crt",\r | |
93 | NULL\r | |
94 | };\r | |
95 | CHAR16* mSupportX509Suffix = L"*.cer/der/crt";\r | |
96 | \r | |
762d8ddb DB |
97 | SECUREBOOT_CONFIG_PRIVATE_DATA *gSecureBootPrivateData = NULL;\r |
98 | \r | |
4de754e1 ZC |
99 | /**\r |
100 | This code cleans up enrolled file by closing file & free related resources attached to\r | |
101 | enrolled file\r | |
102 | \r | |
103 | @param[in] FileSuffix The suffix of the input certificate file\r | |
104 | \r | |
105 | @retval TRUE It's a DER-encoded certificate.\r | |
106 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
107 | \r | |
108 | **/\r | |
109 | \r | |
110 | VOID\r | |
111 | CloseEnrolledFile(\r | |
112 | IN SECUREBOOT_FILE_CONTEXT *FileContext\r | |
113 | )\r | |
114 | {\r | |
115 | if (FileContext->FHandle != NULL) {\r | |
116 | CloseFile (FileContext->FHandle);\r | |
117 | FileContext->FHandle = NULL;\r | |
118 | }\r | |
119 | \r | |
120 | if (FileContext->FileName != NULL){\r | |
121 | FreePool(FileContext->FileName);\r | |
122 | FileContext->FileName = NULL;\r | |
123 | }\r | |
124 | FileContext->FileType = UNKNOWN_FILE_TYPE;\r | |
125 | \r | |
126 | }\r | |
127 | \r | |
e4d7370d | 128 | /**\r |
129 | This code checks if the FileSuffix is one of the possible DER-encoded certificate suffix.\r | |
130 | \r | |
131 | @param[in] FileSuffix The suffix of the input certificate file\r | |
132 | \r | |
133 | @retval TRUE It's a DER-encoded certificate.\r | |
134 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
135 | \r | |
136 | **/\r | |
137 | BOOLEAN\r | |
138 | IsDerEncodeCertificate (\r | |
139 | IN CONST CHAR16 *FileSuffix\r | |
140 | )\r | |
141 | {\r | |
20333c6d | 142 | UINTN Index;\r |
e4d7370d | 143 | for (Index = 0; mDerEncodedSuffix[Index] != NULL; Index++) {\r |
144 | if (StrCmp (FileSuffix, mDerEncodedSuffix[Index]) == 0) {\r | |
145 | return TRUE;\r | |
146 | }\r | |
147 | }\r | |
148 | return FALSE;\r | |
149 | }\r | |
ecc722ad | 150 | \r |
4de754e1 ZC |
151 | /**\r |
152 | This code checks if the file content complies with EFI_VARIABLE_AUTHENTICATION_2 format\r | |
153 | The function reads file content but won't open/close given FileHandle.\r | |
154 | \r | |
155 | @param[in] FileHandle The FileHandle to be checked\r | |
156 | \r | |
157 | @retval TRUE The content is EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
158 | @retval FALSE The content is NOT a EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
159 | \r | |
160 | **/\r | |
161 | BOOLEAN\r | |
162 | IsAuthentication2Format (\r | |
163 | IN EFI_FILE_HANDLE FileHandle\r | |
164 | )\r | |
165 | {\r | |
166 | EFI_STATUS Status;\r | |
167 | EFI_VARIABLE_AUTHENTICATION_2 *Auth2;\r | |
168 | BOOLEAN IsAuth2Format;\r | |
169 | \r | |
170 | IsAuth2Format = FALSE;\r | |
171 | \r | |
172 | //\r | |
173 | // Read the whole file content\r | |
174 | //\r | |
175 | Status = ReadFileContent(\r | |
176 | FileHandle,\r | |
177 | (VOID **) &mImageBase,\r | |
178 | &mImageSize,\r | |
179 | 0\r | |
180 | );\r | |
181 | if (EFI_ERROR (Status)) {\r | |
182 | goto ON_EXIT;\r | |
183 | }\r | |
184 | \r | |
185 | Auth2 = (EFI_VARIABLE_AUTHENTICATION_2 *)mImageBase;\r | |
186 | if (Auth2->AuthInfo.Hdr.wCertificateType != WIN_CERT_TYPE_EFI_GUID) {\r | |
187 | goto ON_EXIT;\r | |
188 | }\r | |
189 | \r | |
190 | if (CompareGuid(&gEfiCertPkcs7Guid, &Auth2->AuthInfo.CertType)) {\r | |
191 | IsAuth2Format = TRUE;\r | |
192 | }\r | |
193 | \r | |
194 | ON_EXIT:\r | |
195 | //\r | |
196 | // Do not close File. simply check file content\r | |
197 | //\r | |
198 | if (mImageBase != NULL) {\r | |
199 | FreePool (mImageBase);\r | |
200 | mImageBase = NULL;\r | |
201 | }\r | |
202 | \r | |
203 | return IsAuth2Format;\r | |
204 | }\r | |
205 | \r | |
ecc722ad | 206 | /**\r |
207 | Set Secure Boot option into variable space.\r | |
208 | \r | |
209 | @param[in] VarValue The option of Secure Boot.\r | |
210 | \r | |
211 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
212 | @retval Others Other errors as indicated.\r | |
213 | \r | |
214 | **/\r | |
215 | EFI_STATUS\r | |
216 | SaveSecureBootVariable (\r | |
217 | IN UINT8 VarValue\r | |
218 | )\r | |
219 | {\r | |
220 | EFI_STATUS Status;\r | |
221 | \r | |
222 | Status = gRT->SetVariable (\r | |
223 | EFI_SECURE_BOOT_ENABLE_NAME,\r | |
224 | &gEfiSecureBootEnableDisableGuid,\r | |
225 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
226 | sizeof (UINT8),\r | |
227 | &VarValue\r | |
228 | );\r | |
229 | return Status;\r | |
230 | }\r | |
231 | \r | |
8c1babfd | 232 | /**\r |
233 | Create a time based data payload by concatenating the EFI_VARIABLE_AUTHENTICATION_2\r | |
234 | descriptor with the input data. NO authentication is required in this function.\r | |
20333c6d | 235 | \r |
8c1babfd | 236 | @param[in, out] DataSize On input, the size of Data buffer in bytes.\r |
237 | On output, the size of data returned in Data\r | |
238 | buffer in bytes.\r | |
20333c6d | 239 | @param[in, out] Data On input, Pointer to data buffer to be wrapped or\r |
8c1babfd | 240 | pointer to NULL to wrap an empty payload.\r |
241 | On output, Pointer to the new payload date buffer allocated from pool,\r | |
20333c6d | 242 | it's caller's responsibility to free the memory when finish using it.\r |
8c1babfd | 243 | \r |
244 | @retval EFI_SUCCESS Create time based payload successfully.\r | |
245 | @retval EFI_OUT_OF_RESOURCES There are not enough memory resourses to create time based payload.\r | |
246 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
247 | @retval Others Unexpected error happens.\r | |
248 | \r | |
249 | **/\r | |
250 | EFI_STATUS\r | |
251 | CreateTimeBasedPayload (\r | |
252 | IN OUT UINTN *DataSize,\r | |
253 | IN OUT UINT8 **Data\r | |
254 | )\r | |
255 | {\r | |
256 | EFI_STATUS Status;\r | |
257 | UINT8 *NewData;\r | |
258 | UINT8 *Payload;\r | |
259 | UINTN PayloadSize;\r | |
260 | EFI_VARIABLE_AUTHENTICATION_2 *DescriptorData;\r | |
261 | UINTN DescriptorSize;\r | |
262 | EFI_TIME Time;\r | |
20333c6d | 263 | \r |
8c1babfd | 264 | if (Data == NULL || DataSize == NULL) {\r |
265 | return EFI_INVALID_PARAMETER;\r | |
266 | }\r | |
20333c6d | 267 | \r |
8c1babfd | 268 | //\r |
20333c6d | 269 | // In Setup mode or Custom mode, the variable does not need to be signed but the\r |
8c1babfd | 270 | // parameters to the SetVariable() call still need to be prepared as authenticated\r |
271 | // variable. So we create EFI_VARIABLE_AUTHENTICATED_2 descriptor without certificate\r | |
272 | // data in it.\r | |
273 | //\r | |
274 | Payload = *Data;\r | |
275 | PayloadSize = *DataSize;\r | |
20333c6d | 276 | \r |
8c1babfd | 277 | DescriptorSize = OFFSET_OF (EFI_VARIABLE_AUTHENTICATION_2, AuthInfo) + OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
278 | NewData = (UINT8*) AllocateZeroPool (DescriptorSize + PayloadSize);\r | |
279 | if (NewData == NULL) {\r | |
280 | return EFI_OUT_OF_RESOURCES;\r | |
281 | }\r | |
282 | \r | |
283 | if ((Payload != NULL) && (PayloadSize != 0)) {\r | |
284 | CopyMem (NewData + DescriptorSize, Payload, PayloadSize);\r | |
285 | }\r | |
286 | \r | |
287 | DescriptorData = (EFI_VARIABLE_AUTHENTICATION_2 *) (NewData);\r | |
288 | \r | |
289 | ZeroMem (&Time, sizeof (EFI_TIME));\r | |
290 | Status = gRT->GetTime (&Time, NULL);\r | |
291 | if (EFI_ERROR (Status)) {\r | |
292 | FreePool(NewData);\r | |
293 | return Status;\r | |
294 | }\r | |
295 | Time.Pad1 = 0;\r | |
296 | Time.Nanosecond = 0;\r | |
297 | Time.TimeZone = 0;\r | |
298 | Time.Daylight = 0;\r | |
299 | Time.Pad2 = 0;\r | |
300 | CopyMem (&DescriptorData->TimeStamp, &Time, sizeof (EFI_TIME));\r | |
20333c6d | 301 | \r |
8c1babfd | 302 | DescriptorData->AuthInfo.Hdr.dwLength = OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
303 | DescriptorData->AuthInfo.Hdr.wRevision = 0x0200;\r | |
304 | DescriptorData->AuthInfo.Hdr.wCertificateType = WIN_CERT_TYPE_EFI_GUID;\r | |
305 | CopyGuid (&DescriptorData->AuthInfo.CertType, &gEfiCertPkcs7Guid);\r | |
20333c6d | 306 | \r |
8c1babfd | 307 | if (Payload != NULL) {\r |
308 | FreePool(Payload);\r | |
309 | }\r | |
20333c6d | 310 | \r |
8c1babfd | 311 | *DataSize = DescriptorSize + PayloadSize;\r |
312 | *Data = NewData;\r | |
313 | return EFI_SUCCESS;\r | |
314 | }\r | |
315 | \r | |
ecc722ad | 316 | /**\r |
317 | Internal helper function to delete a Variable given its name and GUID, NO authentication\r | |
318 | required.\r | |
319 | \r | |
320 | @param[in] VariableName Name of the Variable.\r | |
321 | @param[in] VendorGuid GUID of the Variable.\r | |
322 | \r | |
323 | @retval EFI_SUCCESS Variable deleted successfully.\r | |
324 | @retval Others The driver failed to start the device.\r | |
325 | \r | |
326 | **/\r | |
327 | EFI_STATUS\r | |
328 | DeleteVariable (\r | |
329 | IN CHAR16 *VariableName,\r | |
330 | IN EFI_GUID *VendorGuid\r | |
331 | )\r | |
332 | {\r | |
333 | EFI_STATUS Status;\r | |
334 | VOID* Variable;\r | |
8c1babfd | 335 | UINT8 *Data;\r |
336 | UINTN DataSize;\r | |
337 | UINT32 Attr;\r | |
ecc722ad | 338 | \r |
bf4a3dbd | 339 | GetVariable2 (VariableName, VendorGuid, &Variable, NULL);\r |
ecc722ad | 340 | if (Variable == NULL) {\r |
341 | return EFI_SUCCESS;\r | |
342 | }\r | |
f71ed839 | 343 | FreePool (Variable);\r |
ecc722ad | 344 | \r |
8c1babfd | 345 | Data = NULL;\r |
346 | DataSize = 0;\r | |
347 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
348 | | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
ecc722ad | 349 | \r |
8c1babfd | 350 | Status = CreateTimeBasedPayload (&DataSize, &Data);\r |
351 | if (EFI_ERROR (Status)) {\r | |
352 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
353 | return Status;\r | |
ecc722ad | 354 | }\r |
355 | \r | |
8c1babfd | 356 | Status = gRT->SetVariable (\r |
357 | VariableName,\r | |
358 | VendorGuid,\r | |
359 | Attr,\r | |
360 | DataSize,\r | |
361 | Data\r | |
362 | );\r | |
363 | if (Data != NULL) {\r | |
364 | FreePool (Data);\r | |
ecc722ad | 365 | }\r |
ecc722ad | 366 | return Status;\r |
367 | }\r | |
368 | \r | |
f71ed839 | 369 | /**\r |
370 | \r | |
371 | Set the platform secure boot mode into "Custom" or "Standard" mode.\r | |
372 | \r | |
373 | @param[in] SecureBootMode New secure boot mode: STANDARD_SECURE_BOOT_MODE or\r | |
374 | CUSTOM_SECURE_BOOT_MODE.\r | |
20333c6d | 375 | \r |
f71ed839 | 376 | @return EFI_SUCCESS The platform has switched to the special mode successfully.\r |
377 | @return other Fail to operate the secure boot mode.\r | |
20333c6d | 378 | \r |
f71ed839 | 379 | **/\r |
380 | EFI_STATUS\r | |
381 | SetSecureBootMode (\r | |
382 | IN UINT8 SecureBootMode\r | |
383 | )\r | |
384 | {\r | |
20333c6d | 385 | return gRT->SetVariable (\r |
f71ed839 | 386 | EFI_CUSTOM_MODE_NAME,\r |
387 | &gEfiCustomModeEnableGuid,\r | |
388 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
389 | sizeof (UINT8),\r | |
390 | &SecureBootMode\r | |
391 | );\r | |
392 | }\r | |
393 | \r | |
ecc722ad | 394 | /**\r |
395 | Generate the PK signature list from the X509 Certificate storing file (.cer)\r | |
396 | \r | |
397 | @param[in] X509File FileHandle of X509 Certificate storing file.\r | |
398 | @param[out] PkCert Point to the data buffer to store the signature list.\r | |
20333c6d | 399 | \r |
ecc722ad | 400 | @return EFI_UNSUPPORTED Unsupported Key Length.\r |
401 | @return EFI_OUT_OF_RESOURCES There are not enough memory resourses to form the signature list.\r | |
20333c6d | 402 | \r |
ecc722ad | 403 | **/\r |
404 | EFI_STATUS\r | |
405 | CreatePkX509SignatureList (\r | |
20333c6d QL |
406 | IN EFI_FILE_HANDLE X509File,\r |
407 | OUT EFI_SIGNATURE_LIST **PkCert\r | |
ecc722ad | 408 | )\r |
409 | {\r | |
20333c6d | 410 | EFI_STATUS Status;\r |
ecc722ad | 411 | UINT8 *X509Data;\r |
412 | UINTN X509DataSize;\r | |
413 | EFI_SIGNATURE_DATA *PkCertData;\r | |
414 | \r | |
415 | X509Data = NULL;\r | |
416 | PkCertData = NULL;\r | |
20333c6d QL |
417 | X509DataSize = 0;\r |
418 | \r | |
4adc12bf | 419 | Status = ReadFileContent (X509File, (VOID**) &X509Data, &X509DataSize, 0);\r |
ecc722ad | 420 | if (EFI_ERROR (Status)) {\r |
421 | goto ON_EXIT;\r | |
422 | }\r | |
ba57d4fd | 423 | ASSERT (X509Data != NULL);\r |
ecc722ad | 424 | \r |
425 | //\r | |
426 | // Allocate space for PK certificate list and initialize it.\r | |
427 | // Create PK database entry with SignatureHeaderSize equals 0.\r | |
428 | //\r | |
429 | *PkCert = (EFI_SIGNATURE_LIST*) AllocateZeroPool (\r | |
430 | sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
431 | + X509DataSize\r | |
432 | );\r | |
433 | if (*PkCert == NULL) {\r | |
434 | Status = EFI_OUT_OF_RESOURCES;\r | |
435 | goto ON_EXIT;\r | |
436 | }\r | |
437 | \r | |
20333c6d | 438 | (*PkCert)->SignatureListSize = (UINT32) (sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 439 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
440 | + X509DataSize);\r | |
441 | (*PkCert)->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
442 | (*PkCert)->SignatureHeaderSize = 0;\r | |
443 | CopyGuid (&(*PkCert)->SignatureType, &gEfiCertX509Guid);\r | |
20333c6d | 444 | PkCertData = (EFI_SIGNATURE_DATA*) ((UINTN)(*PkCert)\r |
ecc722ad | 445 | + sizeof(EFI_SIGNATURE_LIST)\r |
446 | + (*PkCert)->SignatureHeaderSize);\r | |
20333c6d | 447 | CopyGuid (&PkCertData->SignatureOwner, &gEfiGlobalVariableGuid);\r |
ecc722ad | 448 | //\r |
449 | // Fill the PK database with PKpub data from X509 certificate file.\r | |
20333c6d | 450 | //\r |
ecc722ad | 451 | CopyMem (&(PkCertData->SignatureData[0]), X509Data, X509DataSize);\r |
20333c6d | 452 | \r |
ecc722ad | 453 | ON_EXIT:\r |
20333c6d | 454 | \r |
ecc722ad | 455 | if (X509Data != NULL) {\r |
456 | FreePool (X509Data);\r | |
457 | }\r | |
20333c6d | 458 | \r |
ecc722ad | 459 | if (EFI_ERROR(Status) && *PkCert != NULL) {\r |
460 | FreePool (*PkCert);\r | |
461 | *PkCert = NULL;\r | |
462 | }\r | |
20333c6d | 463 | \r |
ecc722ad | 464 | return Status;\r |
465 | }\r | |
466 | \r | |
467 | /**\r | |
468 | Enroll new PK into the System without original PK's authentication.\r | |
469 | \r | |
470 | The SignatureOwner GUID will be the same with PK's vendorguid.\r | |
471 | \r | |
472 | @param[in] PrivateData The module's private data.\r | |
473 | \r | |
474 | @retval EFI_SUCCESS New PK enrolled successfully.\r | |
475 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
476 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 477 | \r |
ecc722ad | 478 | **/\r |
479 | EFI_STATUS\r | |
480 | EnrollPlatformKey (\r | |
481 | IN SECUREBOOT_CONFIG_PRIVATE_DATA* Private\r | |
20333c6d | 482 | )\r |
ecc722ad | 483 | {\r |
484 | EFI_STATUS Status;\r | |
485 | UINT32 Attr;\r | |
486 | UINTN DataSize;\r | |
487 | EFI_SIGNATURE_LIST *PkCert;\r | |
488 | UINT16* FilePostFix;\r | |
fd64f84f | 489 | UINTN NameLength;\r |
20333c6d | 490 | \r |
ecc722ad | 491 | if (Private->FileContext->FileName == NULL) {\r |
492 | return EFI_INVALID_PARAMETER;\r | |
493 | }\r | |
494 | \r | |
495 | PkCert = NULL;\r | |
496 | \r | |
f71ed839 | 497 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
498 | if (EFI_ERROR (Status)) {\r | |
499 | return Status;\r | |
500 | }\r | |
501 | \r | |
ecc722ad | 502 | //\r |
e4d7370d | 503 | // Parse the file's postfix. Only support DER encoded X.509 certificate files.\r |
ecc722ad | 504 | //\r |
fd64f84f GCPL |
505 | NameLength = StrLen (Private->FileContext->FileName);\r |
506 | if (NameLength <= 4) {\r | |
507 | return EFI_INVALID_PARAMETER;\r | |
508 | }\r | |
509 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
e4d7370d | 510 | if (!IsDerEncodeCertificate(FilePostFix)) {\r |
511 | DEBUG ((EFI_D_ERROR, "Unsupported file type, only DER encoded certificate (%s) is supported.", mSupportX509Suffix));\r | |
ecc722ad | 512 | return EFI_INVALID_PARAMETER;\r |
513 | }\r | |
514 | DEBUG ((EFI_D_INFO, "FileName= %s\n", Private->FileContext->FileName));\r | |
515 | DEBUG ((EFI_D_INFO, "FilePostFix = %s\n", FilePostFix));\r | |
516 | \r | |
517 | //\r | |
518 | // Prase the selected PK file and generature PK certificate list.\r | |
519 | //\r | |
8c1babfd | 520 | Status = CreatePkX509SignatureList (\r |
20333c6d QL |
521 | Private->FileContext->FHandle,\r |
522 | &PkCert\r | |
8c1babfd | 523 | );\r |
524 | if (EFI_ERROR (Status)) {\r | |
525 | goto ON_EXIT;\r | |
ecc722ad | 526 | }\r |
ba57d4fd | 527 | ASSERT (PkCert != NULL);\r |
20333c6d | 528 | \r |
ecc722ad | 529 | //\r |
530 | // Set Platform Key variable.\r | |
20333c6d QL |
531 | //\r |
532 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 533 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
ecc722ad | 534 | DataSize = PkCert->SignatureListSize;\r |
8c1babfd | 535 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &PkCert);\r |
536 | if (EFI_ERROR (Status)) {\r | |
537 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
538 | goto ON_EXIT;\r | |
539 | }\r | |
20333c6d | 540 | \r |
ecc722ad | 541 | Status = gRT->SetVariable(\r |
20333c6d QL |
542 | EFI_PLATFORM_KEY_NAME,\r |
543 | &gEfiGlobalVariableGuid,\r | |
544 | Attr,\r | |
545 | DataSize,\r | |
ecc722ad | 546 | PkCert\r |
547 | );\r | |
548 | if (EFI_ERROR (Status)) {\r | |
549 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
550 | DEBUG ((EFI_D_ERROR, "Enroll PK failed with out of resource.\n"));\r | |
551 | }\r | |
552 | goto ON_EXIT;\r | |
553 | }\r | |
20333c6d | 554 | \r |
ecc722ad | 555 | ON_EXIT:\r |
556 | \r | |
557 | if (PkCert != NULL) {\r | |
558 | FreePool(PkCert);\r | |
559 | }\r | |
20333c6d | 560 | \r |
4de754e1 | 561 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 562 | \r |
563 | return Status;\r | |
564 | }\r | |
565 | \r | |
566 | /**\r | |
567 | Remove the PK variable.\r | |
568 | \r | |
569 | @retval EFI_SUCCESS Delete PK successfully.\r | |
570 | @retval Others Could not allow to delete PK.\r | |
20333c6d | 571 | \r |
ecc722ad | 572 | **/\r |
573 | EFI_STATUS\r | |
574 | DeletePlatformKey (\r | |
575 | VOID\r | |
576 | )\r | |
577 | {\r | |
578 | EFI_STATUS Status;\r | |
579 | \r | |
f71ed839 | 580 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
581 | if (EFI_ERROR (Status)) {\r | |
582 | return Status;\r | |
583 | }\r | |
584 | \r | |
8c1babfd | 585 | Status = DeleteVariable (\r |
586 | EFI_PLATFORM_KEY_NAME,\r | |
587 | &gEfiGlobalVariableGuid\r | |
588 | );\r | |
ecc722ad | 589 | return Status;\r |
590 | }\r | |
591 | \r | |
592 | /**\r | |
593 | Enroll a new KEK item from public key storing file (*.pbk).\r | |
594 | \r | |
595 | @param[in] PrivateData The module's private data.\r | |
596 | \r | |
597 | @retval EFI_SUCCESS New KEK enrolled successfully.\r | |
598 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
599 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
600 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
601 | \r | |
602 | **/\r | |
603 | EFI_STATUS\r | |
604 | EnrollRsa2048ToKek (\r | |
605 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
606 | )\r | |
607 | {\r | |
608 | EFI_STATUS Status;\r | |
609 | UINT32 Attr;\r | |
610 | UINTN DataSize;\r | |
611 | EFI_SIGNATURE_LIST *KekSigList;\r | |
612 | UINTN KeyBlobSize;\r | |
613 | UINT8 *KeyBlob;\r | |
614 | CPL_KEY_INFO *KeyInfo;\r | |
615 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
616 | UINTN KekSigListSize;\r | |
20333c6d | 617 | UINT8 *KeyBuffer;\r |
ecc722ad | 618 | UINTN KeyLenInBytes;\r |
619 | \r | |
620 | Attr = 0;\r | |
621 | DataSize = 0;\r | |
622 | KeyBuffer = NULL;\r | |
623 | KeyBlobSize = 0;\r | |
624 | KeyBlob = NULL;\r | |
625 | KeyInfo = NULL;\r | |
626 | KEKSigData = NULL;\r | |
627 | KekSigList = NULL;\r | |
628 | KekSigListSize = 0;\r | |
20333c6d | 629 | \r |
ecc722ad | 630 | //\r |
631 | // Form the KeKpub certificate list into EFI_SIGNATURE_LIST type.\r | |
632 | // First, We have to parse out public key data from the pbk key file.\r | |
20333c6d | 633 | //\r |
ecc722ad | 634 | Status = ReadFileContent (\r |
635 | Private->FileContext->FHandle,\r | |
4adc12bf | 636 | (VOID**) &KeyBlob,\r |
ecc722ad | 637 | &KeyBlobSize,\r |
638 | 0\r | |
639 | );\r | |
640 | if (EFI_ERROR (Status)) {\r | |
641 | goto ON_EXIT;\r | |
642 | }\r | |
ba57d4fd | 643 | ASSERT (KeyBlob != NULL);\r |
ecc722ad | 644 | KeyInfo = (CPL_KEY_INFO *) KeyBlob;\r |
645 | if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {\r | |
646 | DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));\r | |
647 | Status = EFI_UNSUPPORTED;\r | |
648 | goto ON_EXIT;\r | |
649 | }\r | |
20333c6d | 650 | \r |
ecc722ad | 651 | //\r |
652 | // Convert the Public key to fix octet string format represented in RSA PKCS#1.\r | |
20333c6d | 653 | //\r |
ecc722ad | 654 | KeyLenInBytes = KeyInfo->KeyLengthInBits / 8;\r |
655 | KeyBuffer = AllocateZeroPool (KeyLenInBytes);\r | |
656 | if (KeyBuffer == NULL) {\r | |
657 | Status = EFI_OUT_OF_RESOURCES;\r | |
658 | goto ON_EXIT;\r | |
659 | }\r | |
660 | Int2OctStr (\r | |
20333c6d QL |
661 | (UINTN*) (KeyBlob + sizeof (CPL_KEY_INFO)),\r |
662 | KeyLenInBytes / sizeof (UINTN),\r | |
663 | KeyBuffer,\r | |
ecc722ad | 664 | KeyLenInBytes\r |
665 | );\r | |
666 | CopyMem(KeyBlob + sizeof(CPL_KEY_INFO), KeyBuffer, KeyLenInBytes);\r | |
20333c6d | 667 | \r |
ecc722ad | 668 | //\r |
669 | // Form an new EFI_SIGNATURE_LIST.\r | |
670 | //\r | |
671 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
672 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
673 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
674 | \r | |
675 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
676 | if (KekSigList == NULL) {\r | |
677 | Status = EFI_OUT_OF_RESOURCES;\r | |
678 | goto ON_EXIT;\r | |
679 | }\r | |
680 | \r | |
681 | KekSigList->SignatureListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
682 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
683 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
684 | KekSigList->SignatureHeaderSize = 0;\r | |
685 | KekSigList->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
686 | CopyGuid (&KekSigList->SignatureType, &gEfiCertRsa2048Guid);\r | |
20333c6d | 687 | \r |
ecc722ad | 688 | KEKSigData = (EFI_SIGNATURE_DATA*)((UINT8*)KekSigList + sizeof(EFI_SIGNATURE_LIST));\r |
689 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
690 | CopyMem (\r | |
691 | KEKSigData->SignatureData,\r | |
692 | KeyBlob + sizeof(CPL_KEY_INFO),\r | |
693 | WIN_CERT_UEFI_RSA2048_SIZE\r | |
694 | );\r | |
20333c6d | 695 | \r |
ecc722ad | 696 | //\r |
20333c6d QL |
697 | // Check if KEK entry has been already existed.\r |
698 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 699 | // new KEK to original variable.\r |
20333c6d QL |
700 | //\r |
701 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 702 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
703 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
704 | if (EFI_ERROR (Status)) {\r | |
705 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
706 | goto ON_EXIT;\r | |
707 | }\r | |
708 | \r | |
ecc722ad | 709 | Status = gRT->GetVariable(\r |
20333c6d QL |
710 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
711 | &gEfiGlobalVariableGuid,\r | |
712 | NULL,\r | |
713 | &DataSize,\r | |
ecc722ad | 714 | NULL\r |
715 | );\r | |
716 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
717 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
718 | } else if (Status != EFI_NOT_FOUND) {\r | |
719 | goto ON_EXIT;\r | |
720 | }\r | |
20333c6d | 721 | \r |
ecc722ad | 722 | //\r |
723 | // Done. Now we have formed the correct KEKpub database item, just set it into variable storage,\r | |
20333c6d | 724 | //\r |
ecc722ad | 725 | Status = gRT->SetVariable(\r |
20333c6d QL |
726 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
727 | &gEfiGlobalVariableGuid,\r | |
728 | Attr,\r | |
729 | KekSigListSize,\r | |
ecc722ad | 730 | KekSigList\r |
731 | );\r | |
732 | if (EFI_ERROR (Status)) {\r | |
733 | goto ON_EXIT;\r | |
734 | }\r | |
20333c6d | 735 | \r |
ecc722ad | 736 | ON_EXIT:\r |
737 | \r | |
4de754e1 | 738 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 739 | \r |
740 | if (Private->SignatureGUID != NULL) {\r | |
741 | FreePool (Private->SignatureGUID);\r | |
742 | Private->SignatureGUID = NULL;\r | |
743 | }\r | |
744 | \r | |
745 | if (KeyBlob != NULL) {\r | |
746 | FreePool (KeyBlob);\r | |
747 | }\r | |
748 | if (KeyBuffer != NULL) {\r | |
749 | FreePool (KeyBuffer);\r | |
750 | }\r | |
751 | if (KekSigList != NULL) {\r | |
752 | FreePool (KekSigList);\r | |
753 | }\r | |
20333c6d | 754 | \r |
ecc722ad | 755 | return Status;\r |
756 | }\r | |
757 | \r | |
758 | /**\r | |
759 | Enroll a new KEK item from X509 certificate file.\r | |
760 | \r | |
761 | @param[in] PrivateData The module's private data.\r | |
762 | \r | |
763 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
764 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
765 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
766 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
767 | \r | |
768 | **/\r | |
769 | EFI_STATUS\r | |
770 | EnrollX509ToKek (\r | |
771 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
20333c6d | 772 | )\r |
ecc722ad | 773 | {\r |
774 | EFI_STATUS Status;\r | |
775 | UINTN X509DataSize;\r | |
776 | VOID *X509Data;\r | |
777 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
778 | EFI_SIGNATURE_LIST *KekSigList;\r | |
779 | UINTN DataSize;\r | |
780 | UINTN KekSigListSize;\r | |
781 | UINT32 Attr;\r | |
782 | \r | |
783 | X509Data = NULL;\r | |
784 | X509DataSize = 0;\r | |
785 | KekSigList = NULL;\r | |
786 | KekSigListSize = 0;\r | |
787 | DataSize = 0;\r | |
788 | KEKSigData = NULL;\r | |
789 | \r | |
790 | Status = ReadFileContent (\r | |
791 | Private->FileContext->FHandle,\r | |
792 | &X509Data,\r | |
793 | &X509DataSize,\r | |
794 | 0\r | |
795 | );\r | |
796 | if (EFI_ERROR (Status)) {\r | |
797 | goto ON_EXIT;\r | |
798 | }\r | |
ba57d4fd | 799 | ASSERT (X509Data != NULL);\r |
ecc722ad | 800 | \r |
801 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
802 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
803 | if (KekSigList == NULL) {\r | |
804 | Status = EFI_OUT_OF_RESOURCES;\r | |
805 | goto ON_EXIT;\r | |
806 | }\r | |
807 | \r | |
808 | //\r | |
809 | // Fill Certificate Database parameters.\r | |
20333c6d | 810 | //\r |
ecc722ad | 811 | KekSigList->SignatureListSize = (UINT32) KekSigListSize;\r |
812 | KekSigList->SignatureHeaderSize = 0;\r | |
813 | KekSigList->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
814 | CopyGuid (&KekSigList->SignatureType, &gEfiCertX509Guid);\r | |
815 | \r | |
816 | KEKSigData = (EFI_SIGNATURE_DATA*) ((UINT8*) KekSigList + sizeof (EFI_SIGNATURE_LIST));\r | |
817 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
818 | CopyMem (KEKSigData->SignatureData, X509Data, X509DataSize);\r | |
819 | \r | |
820 | //\r | |
20333c6d QL |
821 | // Check if KEK been already existed.\r |
822 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 823 | // new kek to original variable\r |
20333c6d QL |
824 | //\r |
825 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 826 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
827 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
828 | if (EFI_ERROR (Status)) {\r | |
829 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
830 | goto ON_EXIT;\r | |
831 | }\r | |
20333c6d | 832 | \r |
ecc722ad | 833 | Status = gRT->GetVariable(\r |
20333c6d QL |
834 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
835 | &gEfiGlobalVariableGuid,\r | |
836 | NULL,\r | |
837 | &DataSize,\r | |
ecc722ad | 838 | NULL\r |
839 | );\r | |
840 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
841 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
842 | } else if (Status != EFI_NOT_FOUND) {\r | |
843 | goto ON_EXIT;\r | |
20333c6d | 844 | }\r |
ecc722ad | 845 | \r |
846 | Status = gRT->SetVariable(\r | |
20333c6d QL |
847 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
848 | &gEfiGlobalVariableGuid,\r | |
849 | Attr,\r | |
ecc722ad | 850 | KekSigListSize,\r |
851 | KekSigList\r | |
852 | );\r | |
853 | if (EFI_ERROR (Status)) {\r | |
854 | goto ON_EXIT;\r | |
855 | }\r | |
856 | \r | |
857 | ON_EXIT:\r | |
20333c6d | 858 | \r |
4de754e1 | 859 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d QL |
860 | \r |
861 | if (Private->SignatureGUID != NULL) {\r | |
862 | FreePool (Private->SignatureGUID);\r | |
863 | Private->SignatureGUID = NULL;\r | |
864 | }\r | |
865 | \r | |
866 | if (KekSigList != NULL) {\r | |
867 | FreePool (KekSigList);\r | |
868 | }\r | |
869 | \r | |
870 | return Status;\r | |
871 | }\r | |
872 | \r | |
873 | /**\r | |
874 | Enroll new KEK into the System without PK's authentication.\r | |
875 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
876 | \r | |
877 | @param[in] PrivateData The module's private data.\r | |
878 | \r | |
879 | @retval EFI_SUCCESS New KEK enrolled successful.\r | |
880 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
881 | @retval others Fail to enroll KEK data.\r | |
882 | \r | |
883 | **/\r | |
884 | EFI_STATUS\r | |
885 | EnrollKeyExchangeKey (\r | |
886 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
887 | )\r | |
888 | {\r | |
889 | UINT16* FilePostFix;\r | |
890 | EFI_STATUS Status;\r | |
891 | UINTN NameLength;\r | |
892 | \r | |
4de754e1 | 893 | if ((Private->FileContext->FHandle == NULL) || (Private->FileContext->FileName == NULL) || (Private->SignatureGUID == NULL)) {\r |
20333c6d QL |
894 | return EFI_INVALID_PARAMETER;\r |
895 | }\r | |
896 | \r | |
897 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
898 | if (EFI_ERROR (Status)) {\r | |
899 | return Status;\r | |
900 | }\r | |
901 | \r | |
902 | //\r | |
903 | // Parse the file's postfix. Supports DER-encoded X509 certificate,\r | |
904 | // and .pbk as RSA public key file.\r | |
905 | //\r | |
906 | NameLength = StrLen (Private->FileContext->FileName);\r | |
907 | if (NameLength <= 4) {\r | |
908 | return EFI_INVALID_PARAMETER;\r | |
909 | }\r | |
910 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
911 | if (IsDerEncodeCertificate(FilePostFix)) {\r | |
912 | return EnrollX509ToKek (Private);\r | |
913 | } else if (CompareMem (FilePostFix, L".pbk",4) == 0) {\r | |
914 | return EnrollRsa2048ToKek (Private);\r | |
915 | } else {\r | |
4de754e1 ZC |
916 | //\r |
917 | // File type is wrong, simply close it\r | |
918 | //\r | |
919 | CloseEnrolledFile(Private->FileContext);\r | |
920 | \r | |
20333c6d QL |
921 | return EFI_INVALID_PARAMETER;\r |
922 | }\r | |
923 | }\r | |
924 | \r | |
925 | /**\r | |
926 | Enroll a new X509 certificate into Signature Database (DB or DBX or DBT) without\r | |
927 | KEK's authentication.\r | |
928 | \r | |
929 | @param[in] PrivateData The module's private data.\r | |
930 | @param[in] VariableName Variable name of signature database, must be\r | |
931 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
932 | \r | |
933 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
934 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
935 | \r | |
936 | **/\r | |
937 | EFI_STATUS\r | |
938 | EnrollX509toSigDB (\r | |
939 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
940 | IN CHAR16 *VariableName\r | |
941 | )\r | |
942 | {\r | |
943 | EFI_STATUS Status;\r | |
944 | UINTN X509DataSize;\r | |
945 | VOID *X509Data;\r | |
946 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
947 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
948 | VOID *Data;\r | |
949 | UINTN DataSize;\r | |
950 | UINTN SigDBSize;\r | |
951 | UINT32 Attr;\r | |
952 | \r | |
953 | X509DataSize = 0;\r | |
954 | SigDBSize = 0;\r | |
955 | DataSize = 0;\r | |
956 | X509Data = NULL;\r | |
957 | SigDBCert = NULL;\r | |
958 | SigDBCertData = NULL;\r | |
959 | Data = NULL;\r | |
960 | \r | |
961 | Status = ReadFileContent (\r | |
962 | Private->FileContext->FHandle,\r | |
963 | &X509Data,\r | |
964 | &X509DataSize,\r | |
965 | 0\r | |
966 | );\r | |
967 | if (EFI_ERROR (Status)) {\r | |
968 | goto ON_EXIT;\r | |
969 | }\r | |
970 | ASSERT (X509Data != NULL);\r | |
971 | \r | |
972 | SigDBSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
973 | \r | |
974 | Data = AllocateZeroPool (SigDBSize);\r | |
975 | if (Data == NULL) {\r | |
976 | Status = EFI_OUT_OF_RESOURCES;\r | |
977 | goto ON_EXIT;\r | |
978 | }\r | |
979 | \r | |
980 | //\r | |
981 | // Fill Certificate Database parameters.\r | |
982 | //\r | |
983 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r | |
984 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
985 | SigDBCert->SignatureHeaderSize = 0;\r | |
986 | SigDBCert->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
987 | CopyGuid (&SigDBCert->SignatureType, &gEfiCertX509Guid);\r | |
988 | \r | |
989 | SigDBCertData = (EFI_SIGNATURE_DATA*) ((UINT8* ) SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r | |
990 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
991 | CopyMem ((UINT8* ) (SigDBCertData->SignatureData), X509Data, X509DataSize);\r | |
992 | \r | |
993 | //\r | |
994 | // Check if signature database entry has been already existed.\r | |
995 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
996 | // new signature data to original variable\r | |
997 | //\r | |
998 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
999 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
1000 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
1001 | if (EFI_ERROR (Status)) {\r | |
1002 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
1003 | goto ON_EXIT;\r | |
1004 | }\r | |
1005 | \r | |
1006 | Status = gRT->GetVariable(\r | |
1007 | VariableName,\r | |
1008 | &gEfiImageSecurityDatabaseGuid,\r | |
1009 | NULL,\r | |
1010 | &DataSize,\r | |
1011 | NULL\r | |
1012 | );\r | |
1013 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1014 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
1015 | } else if (Status != EFI_NOT_FOUND) {\r | |
1016 | goto ON_EXIT;\r | |
1017 | }\r | |
1018 | \r | |
1019 | Status = gRT->SetVariable(\r | |
1020 | VariableName,\r | |
1021 | &gEfiImageSecurityDatabaseGuid,\r | |
1022 | Attr,\r | |
1023 | SigDBSize,\r | |
1024 | Data\r | |
1025 | );\r | |
1026 | if (EFI_ERROR (Status)) {\r | |
1027 | goto ON_EXIT;\r | |
1028 | }\r | |
1029 | \r | |
1030 | ON_EXIT:\r | |
1031 | \r | |
4de754e1 | 1032 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d QL |
1033 | \r |
1034 | if (Private->SignatureGUID != NULL) {\r | |
1035 | FreePool (Private->SignatureGUID);\r | |
1036 | Private->SignatureGUID = NULL;\r | |
1037 | }\r | |
1038 | \r | |
1039 | if (Data != NULL) {\r | |
1040 | FreePool (Data);\r | |
1041 | }\r | |
1042 | \r | |
1043 | if (X509Data != NULL) {\r | |
1044 | FreePool (X509Data);\r | |
1045 | }\r | |
1046 | \r | |
1047 | return Status;\r | |
1048 | }\r | |
1049 | \r | |
1050 | /**\r | |
1051 | Check whether signature is in specified database.\r | |
1052 | \r | |
1053 | @param[in] VariableName Name of database variable that is searched in.\r | |
1054 | @param[in] Signature Pointer to signature that is searched for.\r | |
1055 | @param[in] SignatureSize Size of Signature.\r | |
1056 | \r | |
1057 | @return TRUE Found the signature in the variable database.\r | |
1058 | @return FALSE Not found the signature in the variable database.\r | |
1059 | \r | |
1060 | **/\r | |
1061 | BOOLEAN\r | |
1062 | IsSignatureFoundInDatabase (\r | |
1063 | IN CHAR16 *VariableName,\r | |
1064 | IN UINT8 *Signature,\r | |
1065 | IN UINTN SignatureSize\r | |
1066 | )\r | |
1067 | {\r | |
1068 | EFI_STATUS Status;\r | |
1069 | EFI_SIGNATURE_LIST *CertList;\r | |
1070 | EFI_SIGNATURE_DATA *Cert;\r | |
1071 | UINTN DataSize;\r | |
1072 | UINT8 *Data;\r | |
1073 | UINTN Index;\r | |
1074 | UINTN CertCount;\r | |
1075 | BOOLEAN IsFound;\r | |
1076 | \r | |
1077 | //\r | |
1078 | // Read signature database variable.\r | |
1079 | //\r | |
1080 | IsFound = FALSE;\r | |
1081 | Data = NULL;\r | |
1082 | DataSize = 0;\r | |
1083 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1084 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1085 | return FALSE;\r | |
1086 | }\r | |
1087 | \r | |
1088 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1089 | if (Data == NULL) {\r | |
1090 | return FALSE;\r | |
1091 | }\r | |
1092 | \r | |
1093 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1094 | if (EFI_ERROR (Status)) {\r | |
1095 | goto Done;\r | |
1096 | }\r | |
1097 | \r | |
1098 | //\r | |
1099 | // Enumerate all signature data in SigDB to check if executable's signature exists.\r | |
1100 | //\r | |
1101 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
1102 | while ((DataSize > 0) && (DataSize >= CertList->SignatureListSize)) {\r | |
1103 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
1104 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
1105 | if ((CertList->SignatureSize == sizeof(EFI_SIGNATURE_DATA) - 1 + SignatureSize) && (CompareGuid(&CertList->SignatureType, &gEfiCertX509Guid))) {\r | |
1106 | for (Index = 0; Index < CertCount; Index++) {\r | |
1107 | if (CompareMem (Cert->SignatureData, Signature, SignatureSize) == 0) {\r | |
1108 | //\r | |
1109 | // Find the signature in database.\r | |
1110 | //\r | |
1111 | IsFound = TRUE;\r | |
1112 | break;\r | |
1113 | }\r | |
1114 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
1115 | }\r | |
1116 | \r | |
1117 | if (IsFound) {\r | |
1118 | break;\r | |
1119 | }\r | |
1120 | }\r | |
1121 | \r | |
1122 | DataSize -= CertList->SignatureListSize;\r | |
1123 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
1124 | }\r | |
1125 | \r | |
1126 | Done:\r | |
1127 | if (Data != NULL) {\r | |
1128 | FreePool (Data);\r | |
1129 | }\r | |
1130 | \r | |
1131 | return IsFound;\r | |
1132 | }\r | |
1133 | \r | |
1134 | /**\r | |
1135 | Calculate the hash of a certificate data with the specified hash algorithm.\r | |
1136 | \r | |
1137 | @param[in] CertData The certificate data to be hashed.\r | |
1138 | @param[in] CertSize The certificate size in bytes.\r | |
1139 | @param[in] HashAlg The specified hash algorithm.\r | |
1140 | @param[out] CertHash The output digest of the certificate\r | |
1141 | \r | |
1142 | @retval TRUE Successfully got the hash of the CertData.\r | |
1143 | @retval FALSE Failed to get the hash of CertData.\r | |
1144 | \r | |
1145 | **/\r | |
1146 | BOOLEAN\r | |
1147 | CalculateCertHash (\r | |
1148 | IN UINT8 *CertData,\r | |
1149 | IN UINTN CertSize,\r | |
1150 | IN UINT32 HashAlg,\r | |
1151 | OUT UINT8 *CertHash\r | |
1152 | )\r | |
1153 | {\r | |
1154 | BOOLEAN Status;\r | |
1155 | VOID *HashCtx;\r | |
1156 | UINTN CtxSize;\r | |
12d95665 LQ |
1157 | UINT8 *TBSCert;\r |
1158 | UINTN TBSCertSize;\r | |
20333c6d QL |
1159 | \r |
1160 | HashCtx = NULL;\r | |
1161 | Status = FALSE;\r | |
1162 | \r | |
1163 | if (HashAlg >= HASHALG_MAX) {\r | |
1164 | return FALSE;\r | |
1165 | }\r | |
1166 | \r | |
12d95665 LQ |
1167 | //\r |
1168 | // Retrieve the TBSCertificate for Hash Calculation.\r | |
1169 | //\r | |
1170 | if (!X509GetTBSCert (CertData, CertSize, &TBSCert, &TBSCertSize)) {\r | |
1171 | return FALSE;\r | |
1172 | }\r | |
1173 | \r | |
20333c6d QL |
1174 | //\r |
1175 | // 1. Initialize context of hash.\r | |
1176 | //\r | |
1177 | CtxSize = mHash[HashAlg].GetContextSize ();\r | |
1178 | HashCtx = AllocatePool (CtxSize);\r | |
1179 | ASSERT (HashCtx != NULL);\r | |
1180 | \r | |
1181 | //\r | |
1182 | // 2. Initialize a hash context.\r | |
1183 | //\r | |
1184 | Status = mHash[HashAlg].HashInit (HashCtx);\r | |
1185 | if (!Status) {\r | |
1186 | goto Done;\r | |
1187 | }\r | |
1188 | \r | |
1189 | //\r | |
1190 | // 3. Calculate the hash.\r | |
1191 | //\r | |
12d95665 | 1192 | Status = mHash[HashAlg].HashUpdate (HashCtx, TBSCert, TBSCertSize);\r |
20333c6d QL |
1193 | if (!Status) {\r |
1194 | goto Done;\r | |
1195 | }\r | |
1196 | \r | |
1197 | //\r | |
1198 | // 4. Get the hash result.\r | |
1199 | //\r | |
1200 | ZeroMem (CertHash, mHash[HashAlg].DigestLength);\r | |
1201 | Status = mHash[HashAlg].HashFinal (HashCtx, CertHash);\r | |
1202 | \r | |
1203 | Done:\r | |
1204 | if (HashCtx != NULL) {\r | |
1205 | FreePool (HashCtx);\r | |
1206 | }\r | |
1207 | \r | |
1208 | return Status;\r | |
1209 | }\r | |
1210 | \r | |
1211 | /**\r | |
1212 | Check whether the hash of an X.509 certificate is in forbidden database (DBX).\r | |
1213 | \r | |
1214 | @param[in] Certificate Pointer to X.509 Certificate that is searched for.\r | |
1215 | @param[in] CertSize Size of X.509 Certificate.\r | |
1216 | \r | |
1217 | @return TRUE Found the certificate hash in the forbidden database.\r | |
1218 | @return FALSE Certificate hash is Not found in the forbidden database.\r | |
1219 | \r | |
1220 | **/\r | |
1221 | BOOLEAN\r | |
1222 | IsCertHashFoundInDbx (\r | |
1223 | IN UINT8 *Certificate,\r | |
1224 | IN UINTN CertSize\r | |
1225 | )\r | |
1226 | {\r | |
1227 | BOOLEAN IsFound;\r | |
1228 | EFI_STATUS Status;\r | |
1229 | EFI_SIGNATURE_LIST *DbxList;\r | |
1230 | EFI_SIGNATURE_DATA *CertHash;\r | |
1231 | UINTN CertHashCount;\r | |
1232 | UINTN Index;\r | |
1233 | UINT32 HashAlg;\r | |
1234 | UINT8 CertDigest[MAX_DIGEST_SIZE];\r | |
1235 | UINT8 *DbxCertHash;\r | |
1236 | UINTN SiglistHeaderSize;\r | |
1237 | UINT8 *Data;\r | |
1238 | UINTN DataSize;\r | |
1239 | \r | |
1240 | IsFound = FALSE;\r | |
1241 | HashAlg = HASHALG_MAX;\r | |
1242 | Data = NULL;\r | |
1243 | \r | |
1244 | //\r | |
1245 | // Read signature database variable.\r | |
1246 | //\r | |
1247 | DataSize = 0;\r | |
1248 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1249 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1250 | return FALSE;\r | |
1251 | }\r | |
1252 | \r | |
1253 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1254 | if (Data == NULL) {\r | |
1255 | return FALSE;\r | |
1256 | }\r | |
1257 | \r | |
1258 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1259 | if (EFI_ERROR (Status)) {\r | |
1260 | goto Done;\r | |
1261 | }\r | |
1262 | \r | |
1263 | //\r | |
1264 | // Check whether the certificate hash exists in the forbidden database.\r | |
1265 | //\r | |
1266 | DbxList = (EFI_SIGNATURE_LIST *) Data;\r | |
1267 | while ((DataSize > 0) && (DataSize >= DbxList->SignatureListSize)) {\r | |
1268 | //\r | |
1269 | // Determine Hash Algorithm of Certificate in the forbidden database.\r | |
1270 | //\r | |
1271 | if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
1272 | HashAlg = HASHALG_SHA256;\r | |
1273 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
1274 | HashAlg = HASHALG_SHA384;\r | |
1275 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
1276 | HashAlg = HASHALG_SHA512;\r | |
1277 | } else {\r | |
1278 | DataSize -= DbxList->SignatureListSize;\r | |
1279 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1280 | continue;\r | |
1281 | }\r | |
1282 | \r | |
1283 | //\r | |
1284 | // Calculate the hash value of current db certificate for comparision.\r | |
1285 | //\r | |
1286 | if (!CalculateCertHash (Certificate, CertSize, HashAlg, CertDigest)) {\r | |
1287 | goto Done;\r | |
1288 | }\r | |
1289 | \r | |
1290 | SiglistHeaderSize = sizeof (EFI_SIGNATURE_LIST) + DbxList->SignatureHeaderSize;\r | |
1291 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) DbxList + SiglistHeaderSize);\r | |
1292 | CertHashCount = (DbxList->SignatureListSize - SiglistHeaderSize) / DbxList->SignatureSize;\r | |
1293 | for (Index = 0; Index < CertHashCount; Index++) {\r | |
1294 | //\r | |
1295 | // Iterate each Signature Data Node within this CertList for verify.\r | |
1296 | //\r | |
1297 | DbxCertHash = CertHash->SignatureData;\r | |
1298 | if (CompareMem (DbxCertHash, CertDigest, mHash[HashAlg].DigestLength) == 0) {\r | |
1299 | //\r | |
1300 | // Hash of Certificate is found in forbidden database.\r | |
1301 | //\r | |
1302 | IsFound = TRUE;\r | |
1303 | goto Done;\r | |
1304 | }\r | |
1305 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertHash + DbxList->SignatureSize);\r | |
1306 | }\r | |
1307 | \r | |
1308 | DataSize -= DbxList->SignatureListSize;\r | |
1309 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1310 | }\r | |
1311 | \r | |
1312 | Done:\r | |
1313 | if (Data != NULL) {\r | |
1314 | FreePool (Data);\r | |
1315 | }\r | |
1316 | \r | |
1317 | return IsFound;\r | |
1318 | }\r | |
1319 | \r | |
1320 | /**\r | |
1321 | Check whether the signature list exists in given variable data.\r | |
1322 | \r | |
1323 | It searches the signature list for the ceritificate hash by CertType.\r | |
1324 | If the signature list is found, get the offset of Database for the\r | |
1325 | next hash of a certificate.\r | |
1326 | \r | |
1327 | @param[in] Database Variable data to save signature list.\r | |
1328 | @param[in] DatabaseSize Variable size.\r | |
1329 | @param[in] SignatureType The type of the signature.\r | |
1330 | @param[out] Offset The offset to save a new hash of certificate.\r | |
1331 | \r | |
1332 | @return TRUE The signature list is found in the forbidden database.\r | |
1333 | @return FALSE The signature list is not found in the forbidden database.\r | |
1334 | **/\r | |
1335 | BOOLEAN\r | |
1336 | GetSignaturelistOffset (\r | |
1337 | IN EFI_SIGNATURE_LIST *Database,\r | |
1338 | IN UINTN DatabaseSize,\r | |
1339 | IN EFI_GUID *SignatureType,\r | |
1340 | OUT UINTN *Offset\r | |
1341 | )\r | |
1342 | {\r | |
1343 | EFI_SIGNATURE_LIST *SigList;\r | |
1344 | UINTN SiglistSize;\r | |
1345 | \r | |
1346 | if ((Database == NULL) || (DatabaseSize == 0)) {\r | |
1347 | *Offset = 0;\r | |
1348 | return FALSE;\r | |
1349 | }\r | |
1350 | \r | |
1351 | SigList = Database;\r | |
1352 | SiglistSize = DatabaseSize;\r | |
1353 | while ((SiglistSize > 0) && (SiglistSize >= SigList->SignatureListSize)) {\r | |
1354 | if (CompareGuid (&SigList->SignatureType, SignatureType)) {\r | |
1355 | *Offset = DatabaseSize - SiglistSize;\r | |
1356 | return TRUE;\r | |
1357 | }\r | |
1358 | SiglistSize -= SigList->SignatureListSize;\r | |
1359 | SigList = (EFI_SIGNATURE_LIST *) ((UINT8 *) SigList + SigList->SignatureListSize);\r | |
1360 | }\r | |
1361 | *Offset = 0;\r | |
1362 | return FALSE;\r | |
1363 | }\r | |
1364 | \r | |
1365 | /**\r | |
1366 | Enroll a new X509 certificate hash into Signature Database (dbx) without\r | |
1367 | KEK's authentication.\r | |
1368 | \r | |
1369 | @param[in] PrivateData The module's private data.\r | |
1370 | @param[in] HashAlg The hash algorithm to enroll the certificate.\r | |
1371 | @param[in] RevocationDate The revocation date of the certificate.\r | |
1372 | @param[in] RevocationTime The revocation time of the certificate.\r | |
1373 | @param[in] AlwaysRevocation Indicate whether the certificate is always revoked.\r | |
1374 | \r | |
1375 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
1376 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1377 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1378 | \r | |
1379 | **/\r | |
1380 | EFI_STATUS\r | |
1381 | EnrollX509HashtoSigDB (\r | |
1382 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
1383 | IN UINT32 HashAlg,\r | |
1384 | IN EFI_HII_DATE *RevocationDate,\r | |
1385 | IN EFI_HII_TIME *RevocationTime,\r | |
1386 | IN BOOLEAN AlwaysRevocation\r | |
1387 | )\r | |
1388 | {\r | |
1389 | EFI_STATUS Status;\r | |
1390 | UINTN X509DataSize;\r | |
1391 | VOID *X509Data;\r | |
1392 | EFI_SIGNATURE_LIST *SignatureList;\r | |
1393 | UINTN SignatureListSize;\r | |
1394 | UINT8 *Data;\r | |
1395 | UINT8 *NewData;\r | |
1396 | UINTN DataSize;\r | |
1397 | UINTN DbSize;\r | |
1398 | UINT32 Attr;\r | |
1399 | EFI_SIGNATURE_DATA *SignatureData;\r | |
1400 | UINTN SignatureSize;\r | |
1401 | EFI_GUID SignatureType;\r | |
1402 | UINTN Offset;\r | |
1403 | UINT8 CertHash[MAX_DIGEST_SIZE];\r | |
1404 | UINT16* FilePostFix;\r | |
1405 | UINTN NameLength;\r | |
1406 | EFI_TIME *Time;\r | |
1407 | \r | |
1408 | X509DataSize = 0;\r | |
1409 | DbSize = 0;\r | |
1410 | X509Data = NULL;\r | |
1411 | SignatureData = NULL;\r | |
1412 | SignatureList = NULL;\r | |
1413 | Data = NULL;\r | |
1414 | NewData = NULL;\r | |
1415 | \r | |
1416 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
1417 | return EFI_INVALID_PARAMETER;\r | |
1418 | }\r | |
1419 | \r | |
1420 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
1421 | if (EFI_ERROR (Status)) {\r | |
1422 | return Status;\r | |
1423 | }\r | |
1424 | \r | |
1425 | //\r | |
1426 | // Parse the file's postfix.\r | |
1427 | //\r | |
1428 | NameLength = StrLen (Private->FileContext->FileName);\r | |
1429 | if (NameLength <= 4) {\r | |
1430 | return EFI_INVALID_PARAMETER;\r | |
1431 | }\r | |
1432 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
1433 | if (!IsDerEncodeCertificate(FilePostFix)) {\r | |
1434 | //\r | |
1435 | // Only supports DER-encoded X509 certificate.\r | |
1436 | //\r | |
1437 | return EFI_INVALID_PARAMETER;\r | |
1438 | }\r | |
1439 | \r | |
1440 | //\r | |
1441 | // Get the certificate from file and calculate its hash.\r | |
1442 | //\r | |
1443 | Status = ReadFileContent (\r | |
1444 | Private->FileContext->FHandle,\r | |
1445 | &X509Data,\r | |
1446 | &X509DataSize,\r | |
1447 | 0\r | |
1448 | );\r | |
1449 | if (EFI_ERROR (Status)) {\r | |
1450 | goto ON_EXIT;\r | |
1451 | }\r | |
1452 | ASSERT (X509Data != NULL);\r | |
1453 | \r | |
1454 | if (!CalculateCertHash (X509Data, X509DataSize, HashAlg, CertHash)) {\r | |
1455 | goto ON_EXIT;\r | |
1456 | }\r | |
1457 | \r | |
1458 | //\r | |
1459 | // Get the variable for enrollment.\r | |
1460 | //\r | |
1461 | DataSize = 0;\r | |
1462 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1463 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1464 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1465 | if (Data == NULL) {\r | |
1466 | return EFI_OUT_OF_RESOURCES;\r | |
1467 | }\r | |
1468 | \r | |
1469 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1470 | if (EFI_ERROR (Status)) {\r | |
1471 | goto ON_EXIT;\r | |
1472 | }\r | |
1473 | }\r | |
1474 | \r | |
1475 | //\r | |
1476 | // Allocate memory for Signature and fill the Signature\r | |
1477 | //\r | |
1478 | SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + sizeof (EFI_TIME) + mHash[HashAlg].DigestLength;\r | |
1479 | SignatureData = (EFI_SIGNATURE_DATA *) AllocateZeroPool (SignatureSize);\r | |
1480 | if (SignatureData == NULL) {\r | |
1481 | return EFI_OUT_OF_RESOURCES;\r | |
1482 | }\r | |
1483 | CopyGuid (&SignatureData->SignatureOwner, Private->SignatureGUID);\r | |
1484 | CopyMem (SignatureData->SignatureData, CertHash, mHash[HashAlg].DigestLength);\r | |
1485 | \r | |
1486 | //\r | |
1487 | // Fill the time.\r | |
1488 | //\r | |
1489 | if (!AlwaysRevocation) {\r | |
1490 | Time = (EFI_TIME *)(&SignatureData->SignatureData + mHash[HashAlg].DigestLength);\r | |
1491 | Time->Year = RevocationDate->Year;\r | |
1492 | Time->Month = RevocationDate->Month;\r | |
1493 | Time->Day = RevocationDate->Day;\r | |
1494 | Time->Hour = RevocationTime->Hour;\r | |
1495 | Time->Minute = RevocationTime->Minute;\r | |
1496 | Time->Second = RevocationTime->Second;\r | |
1497 | }\r | |
1498 | \r | |
1499 | //\r | |
1500 | // Determine the GUID for certificate hash.\r | |
1501 | //\r | |
1502 | switch (HashAlg) {\r | |
1503 | case HASHALG_SHA256:\r | |
1504 | SignatureType = gEfiCertX509Sha256Guid;\r | |
1505 | break;\r | |
1506 | case HASHALG_SHA384:\r | |
1507 | SignatureType = gEfiCertX509Sha384Guid;\r | |
1508 | break;\r | |
1509 | case HASHALG_SHA512:\r | |
1510 | SignatureType = gEfiCertX509Sha512Guid;\r | |
1511 | break;\r | |
1512 | default:\r | |
1513 | return FALSE;\r | |
1514 | }\r | |
1515 | \r | |
1516 | //\r | |
1517 | // Add signature into the new variable data buffer\r | |
1518 | //\r | |
1519 | if (GetSignaturelistOffset((EFI_SIGNATURE_LIST *)Data, DataSize, &SignatureType, &Offset)) {\r | |
1520 | //\r | |
1521 | // Add the signature to the found signaturelist.\r | |
1522 | //\r | |
1523 | DbSize = DataSize + SignatureSize;\r | |
1524 | NewData = AllocateZeroPool (DbSize);\r | |
1525 | if (NewData == NULL) {\r | |
1526 | Status = EFI_OUT_OF_RESOURCES;\r | |
1527 | goto ON_EXIT;\r | |
1528 | }\r | |
1529 | \r | |
1530 | SignatureList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
1531 | SignatureListSize = (UINTN) ReadUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize);\r | |
1532 | CopyMem (NewData, Data, Offset + SignatureListSize);\r | |
1533 | \r | |
1534 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + Offset);\r | |
1535 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32)(SignatureListSize + SignatureSize));\r | |
1536 | \r | |
1537 | Offset += SignatureListSize;\r | |
1538 | CopyMem (NewData + Offset, SignatureData, SignatureSize);\r | |
1539 | CopyMem (NewData + Offset + SignatureSize, Data + Offset, DataSize - Offset);\r | |
1540 | \r | |
1541 | FreePool (Data);\r | |
1542 | Data = NewData;\r | |
1543 | DataSize = DbSize;\r | |
1544 | } else {\r | |
1545 | //\r | |
1546 | // Create a new signaturelist, and add the signature into the signaturelist.\r | |
1547 | //\r | |
1548 | DbSize = DataSize + sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1549 | NewData = AllocateZeroPool (DbSize);\r | |
1550 | if (NewData == NULL) {\r | |
1551 | Status = EFI_OUT_OF_RESOURCES;\r | |
1552 | goto ON_EXIT;\r | |
1553 | }\r | |
1554 | //\r | |
1555 | // Fill Certificate Database parameters.\r | |
1556 | //\r | |
1557 | SignatureList = (EFI_SIGNATURE_LIST*) (NewData + DataSize);\r | |
1558 | SignatureListSize = sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1559 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32) SignatureListSize);\r | |
1560 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureSize, (UINT32) SignatureSize);\r | |
1561 | CopyGuid (&SignatureList->SignatureType, &SignatureType);\r | |
1562 | CopyMem ((UINT8* ) SignatureList + sizeof (EFI_SIGNATURE_LIST), SignatureData, SignatureSize);\r | |
1563 | if ((DataSize != 0) && (Data != NULL)) {\r | |
1564 | CopyMem (NewData, Data, DataSize);\r | |
1565 | FreePool (Data);\r | |
1566 | }\r | |
1567 | Data = NewData;\r | |
1568 | DataSize = DbSize;\r | |
1569 | }\r | |
1570 | \r | |
1571 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &Data);\r | |
1572 | if (EFI_ERROR (Status)) {\r | |
1573 | goto ON_EXIT;\r | |
1574 | }\r | |
1575 | \r | |
1576 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
1577 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
1578 | Status = gRT->SetVariable(\r | |
1579 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
1580 | &gEfiImageSecurityDatabaseGuid,\r | |
1581 | Attr,\r | |
1582 | DataSize,\r | |
1583 | Data\r | |
1584 | );\r | |
1585 | if (EFI_ERROR (Status)) {\r | |
1586 | goto ON_EXIT;\r | |
1587 | }\r | |
1588 | \r | |
1589 | ON_EXIT:\r | |
762d8ddb | 1590 | \r |
4de754e1 | 1591 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 1592 | \r |
1593 | if (Private->SignatureGUID != NULL) {\r | |
1594 | FreePool (Private->SignatureGUID);\r | |
1595 | Private->SignatureGUID = NULL;\r | |
1596 | }\r | |
1597 | \r | |
20333c6d QL |
1598 | if (Data != NULL) {\r |
1599 | FreePool (Data);\r | |
ecc722ad | 1600 | }\r |
1601 | \r | |
20333c6d QL |
1602 | if (SignatureData != NULL) {\r |
1603 | FreePool (SignatureData);\r | |
ecc722ad | 1604 | }\r |
1605 | \r | |
20333c6d QL |
1606 | if (X509Data != NULL) {\r |
1607 | FreePool (X509Data);\r | |
f71ed839 | 1608 | }\r |
1609 | \r | |
20333c6d | 1610 | return Status;\r |
ecc722ad | 1611 | }\r |
1612 | \r | |
1613 | /**\r | |
20333c6d | 1614 | Check whether a certificate from a file exists in dbx.\r |
ecc722ad | 1615 | \r |
1616 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
1617 | @param[in] VariableName Variable name of signature database, must be\r |
1618 | EFI_IMAGE_SECURITY_DATABASE1.\r | |
ecc722ad | 1619 | \r |
20333c6d QL |
1620 | @retval TRUE The X509 certificate is found in dbx successfully.\r |
1621 | @retval FALSE The X509 certificate is not found in dbx.\r | |
ecc722ad | 1622 | **/\r |
20333c6d QL |
1623 | BOOLEAN\r |
1624 | IsX509CertInDbx (\r | |
ecc722ad | 1625 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1626 | IN CHAR16 *VariableName\r | |
20333c6d | 1627 | )\r |
ecc722ad | 1628 | {\r |
20333c6d QL |
1629 | EFI_STATUS Status;\r |
1630 | UINTN X509DataSize;\r | |
1631 | VOID *X509Data;\r | |
1632 | BOOLEAN IsFound;\r | |
ecc722ad | 1633 | \r |
20333c6d QL |
1634 | //\r |
1635 | // Read the certificate from file\r | |
1636 | //\r | |
ecc722ad | 1637 | X509DataSize = 0;\r |
ecc722ad | 1638 | X509Data = NULL;\r |
ecc722ad | 1639 | Status = ReadFileContent (\r |
1640 | Private->FileContext->FHandle,\r | |
1641 | &X509Data,\r | |
1642 | &X509DataSize,\r | |
1643 | 0\r | |
1644 | );\r | |
1645 | if (EFI_ERROR (Status)) {\r | |
20333c6d | 1646 | return FALSE;\r |
ecc722ad | 1647 | }\r |
1648 | \r | |
1649 | //\r | |
20333c6d | 1650 | // Check the raw certificate.\r |
ecc722ad | 1651 | //\r |
20333c6d QL |
1652 | IsFound = FALSE;\r |
1653 | if (IsSignatureFoundInDatabase (EFI_IMAGE_SECURITY_DATABASE1, X509Data, X509DataSize)) {\r | |
1654 | IsFound = TRUE;\r | |
8c1babfd | 1655 | goto ON_EXIT;\r |
1656 | }\r | |
ecc722ad | 1657 | \r |
20333c6d QL |
1658 | //\r |
1659 | // Check the hash of certificate.\r | |
1660 | //\r | |
1661 | if (IsCertHashFoundInDbx (X509Data, X509DataSize)) {\r | |
1662 | IsFound = TRUE;\r | |
ecc722ad | 1663 | goto ON_EXIT;\r |
1664 | }\r | |
1665 | \r | |
1666 | ON_EXIT:\r | |
ecc722ad | 1667 | if (X509Data != NULL) {\r |
1668 | FreePool (X509Data);\r | |
1669 | }\r | |
1670 | \r | |
20333c6d | 1671 | return IsFound;\r |
ecc722ad | 1672 | }\r |
1673 | \r | |
5e9dfc67 LG |
1674 | /**\r |
1675 | Reads contents of a PE/COFF image in memory buffer.\r | |
1676 | \r | |
1677 | Caution: This function may receive untrusted input.\r | |
1678 | PE/COFF image is external input, so this function will make sure the PE/COFF image content\r | |
1679 | read is within the image buffer.\r | |
1680 | \r | |
1681 | @param FileHandle Pointer to the file handle to read the PE/COFF image.\r | |
1682 | @param FileOffset Offset into the PE/COFF image to begin the read operation.\r | |
1683 | @param ReadSize On input, the size in bytes of the requested read operation.\r | |
1684 | On output, the number of bytes actually read.\r | |
1685 | @param Buffer Output buffer that contains the data read from the PE/COFF image.\r | |
1686 | \r | |
1687 | @retval EFI_SUCCESS The specified portion of the PE/COFF image was read and the size\r | |
1688 | **/\r | |
1689 | EFI_STATUS\r | |
1690 | EFIAPI\r | |
1691 | SecureBootConfigImageRead (\r | |
1692 | IN VOID *FileHandle,\r | |
1693 | IN UINTN FileOffset,\r | |
1694 | IN OUT UINTN *ReadSize,\r | |
1695 | OUT VOID *Buffer\r | |
1696 | )\r | |
1697 | {\r | |
1698 | UINTN EndPosition;\r | |
1699 | \r | |
1700 | if (FileHandle == NULL || ReadSize == NULL || Buffer == NULL) {\r | |
1701 | return EFI_INVALID_PARAMETER;\r | |
1702 | }\r | |
1703 | \r | |
1704 | if (MAX_ADDRESS - FileOffset < *ReadSize) {\r | |
1705 | return EFI_INVALID_PARAMETER;\r | |
1706 | }\r | |
1707 | \r | |
1708 | EndPosition = FileOffset + *ReadSize;\r | |
1709 | if (EndPosition > mImageSize) {\r | |
1710 | *ReadSize = (UINT32)(mImageSize - FileOffset);\r | |
1711 | }\r | |
1712 | \r | |
1713 | if (FileOffset >= mImageSize) {\r | |
1714 | *ReadSize = 0;\r | |
1715 | }\r | |
1716 | \r | |
1717 | CopyMem (Buffer, (UINT8 *)((UINTN) FileHandle + FileOffset), *ReadSize);\r | |
1718 | \r | |
1719 | return EFI_SUCCESS;\r | |
1720 | }\r | |
1721 | \r | |
ecc722ad | 1722 | /**\r |
1723 | Load PE/COFF image information into internal buffer and check its validity.\r | |
1724 | \r | |
1725 | @retval EFI_SUCCESS Successful\r | |
1726 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
1727 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
1728 | \r | |
1729 | **/\r | |
1730 | EFI_STATUS\r | |
1731 | LoadPeImage (\r | |
20333c6d QL |
1732 | VOID\r |
1733 | )\r | |
ecc722ad | 1734 | {\r |
1735 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
1736 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
1737 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
5e9dfc67 LG |
1738 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r |
1739 | EFI_STATUS Status;\r | |
ecc722ad | 1740 | \r |
1741 | NtHeader32 = NULL;\r | |
1742 | NtHeader64 = NULL;\r | |
5e9dfc67 LG |
1743 | \r |
1744 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
1745 | ImageContext.Handle = (VOID *) mImageBase;\r | |
1746 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE) SecureBootConfigImageRead;\r | |
1747 | \r | |
1748 | //\r | |
1749 | // Get information about the image being loaded\r | |
1750 | //\r | |
1751 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r | |
1752 | if (EFI_ERROR (Status)) {\r | |
1753 | //\r | |
1754 | // The information can't be got from the invalid PeImage\r | |
1755 | //\r | |
1756 | DEBUG ((DEBUG_INFO, "SecureBootConfigDxe: PeImage invalid. \n"));\r | |
1757 | return Status;\r | |
1758 | }\r | |
1759 | \r | |
ecc722ad | 1760 | //\r |
1761 | // Read the Dos header\r | |
1762 | //\r | |
1763 | DosHdr = (EFI_IMAGE_DOS_HEADER*)(mImageBase);\r | |
1764 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE)\r | |
1765 | {\r | |
1766 | //\r | |
20333c6d | 1767 | // DOS image header is present,\r |
ecc722ad | 1768 | // So read the PE header after the DOS image header\r |
1769 | //\r | |
1770 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
1771 | }\r | |
1772 | else\r | |
1773 | {\r | |
1774 | mPeCoffHeaderOffset = 0;\r | |
1775 | }\r | |
1776 | \r | |
1777 | //\r | |
1778 | // Read PE header and check the signature validity and machine compatibility\r | |
1779 | //\r | |
1780 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32*) (mImageBase + mPeCoffHeaderOffset);\r | |
1781 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE)\r | |
1782 | {\r | |
1783 | return EFI_UNSUPPORTED;\r | |
1784 | }\r | |
1785 | \r | |
1786 | mNtHeader.Pe32 = NtHeader32;\r | |
1787 | \r | |
1788 | //\r | |
1789 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1790 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1791 | //\r | |
20333c6d | 1792 | if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32)\r |
a16170a1 AB |
1793 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)\r |
1794 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)) {\r | |
ecc722ad | 1795 | //\r |
a16170a1 | 1796 | // 32-bits Architecture\r |
ecc722ad | 1797 | //\r |
1798 | mImageType = ImageType_IA32;\r | |
1799 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1800 | }\r | |
1801 | else if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
a16170a1 AB |
1802 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)\r |
1803 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_AARCH64)) {\r | |
ecc722ad | 1804 | //\r |
1805 | // 64-bits Architecture\r | |
1806 | //\r | |
1807 | mImageType = ImageType_X64;\r | |
1808 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *) (mImageBase + mPeCoffHeaderOffset);\r | |
1809 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1810 | } else {\r | |
1811 | return EFI_UNSUPPORTED;\r | |
1812 | }\r | |
1813 | \r | |
1814 | return EFI_SUCCESS;\r | |
1815 | }\r | |
1816 | \r | |
1817 | /**\r | |
1818 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1819 | PE/COFF Specification 8.0 Appendix A\r | |
1820 | \r | |
5e9dfc67 LG |
1821 | Notes: PE/COFF image has been checked by BasePeCoffLib PeCoffLoaderGetImageInfo() in \r |
1822 | the function LoadPeImage ().\r | |
1823 | \r | |
ecc722ad | 1824 | @param[in] HashAlg Hash algorithm type.\r |
20333c6d | 1825 | \r |
ecc722ad | 1826 | @retval TRUE Successfully hash image.\r |
1827 | @retval FALSE Fail in hash image.\r | |
1828 | \r | |
1829 | **/\r | |
20333c6d | 1830 | BOOLEAN\r |
ecc722ad | 1831 | HashPeImage (\r |
1832 | IN UINT32 HashAlg\r | |
1833 | )\r | |
1834 | {\r | |
1835 | BOOLEAN Status;\r | |
1836 | UINT16 Magic;\r | |
1837 | EFI_IMAGE_SECTION_HEADER *Section;\r | |
1838 | VOID *HashCtx;\r | |
1839 | UINTN CtxSize;\r | |
1840 | UINT8 *HashBase;\r | |
1841 | UINTN HashSize;\r | |
1842 | UINTN SumOfBytesHashed;\r | |
1843 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1844 | UINTN Index;\r | |
1845 | UINTN Pos;\r | |
1846 | \r | |
1847 | HashCtx = NULL;\r | |
1848 | SectionHeader = NULL;\r | |
1849 | Status = FALSE;\r | |
1850 | \r | |
c035e373 | 1851 | if (HashAlg != HASHALG_SHA256) {\r |
ecc722ad | 1852 | return FALSE;\r |
1853 | }\r | |
20333c6d | 1854 | \r |
ecc722ad | 1855 | //\r |
1856 | // Initialize context of hash.\r | |
1857 | //\r | |
1858 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1859 | \r | |
c035e373 ZL |
1860 | mImageDigestSize = SHA256_DIGEST_SIZE;\r |
1861 | mCertType = gEfiCertSha256Guid;\r | |
ecc722ad | 1862 | \r |
1863 | CtxSize = mHash[HashAlg].GetContextSize();\r | |
20333c6d | 1864 | \r |
ecc722ad | 1865 | HashCtx = AllocatePool (CtxSize);\r |
1866 | ASSERT (HashCtx != NULL);\r | |
1867 | \r | |
1868 | // 1. Load the image header into memory.\r | |
1869 | \r | |
1870 | // 2. Initialize a SHA hash context.\r | |
1871 | Status = mHash[HashAlg].HashInit(HashCtx);\r | |
1872 | if (!Status) {\r | |
1873 | goto Done;\r | |
1874 | }\r | |
1875 | //\r | |
1876 | // Measuring PE/COFF Image Header;\r | |
1877 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1878 | //\r | |
de2447dd | 1879 | if (mNtHeader.Pe32->FileHeader.Machine == IMAGE_FILE_MACHINE_IA64 && mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
1880 | //\r | |
20333c6d QL |
1881 | // NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value\r |
1882 | // in the PE/COFF Header. If the MachineType is Itanium(IA64) and the\r | |
de2447dd | 1883 | // Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC\r |
1884 | // then override the magic value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC\r | |
1885 | //\r | |
1886 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
1887 | } else {\r | |
1888 | //\r | |
1889 | // Get the magic value from the PE/COFF Optional Header\r | |
1890 | //\r | |
1891 | Magic = mNtHeader.Pe32->OptionalHeader.Magic;\r | |
1892 | }\r | |
20333c6d | 1893 | \r |
ecc722ad | 1894 | //\r |
1895 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1896 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1897 | //\r | |
1898 | HashBase = mImageBase;\r | |
1899 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1900 | //\r | |
1901 | // Use PE32 offset.\r | |
1902 | //\r | |
4333b99d | 1903 | HashSize = (UINTN) (&mNtHeader.Pe32->OptionalHeader.CheckSum) - (UINTN) HashBase;\r |
ecc722ad | 1904 | } else {\r |
1905 | //\r | |
1906 | // Use PE32+ offset.\r | |
1907 | //\r | |
4333b99d | 1908 | HashSize = (UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - (UINTN) HashBase;\r |
ecc722ad | 1909 | }\r |
1910 | \r | |
1911 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1912 | if (!Status) {\r | |
1913 | goto Done;\r | |
1914 | }\r | |
1915 | //\r | |
1916 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1917 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1918 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1919 | //\r | |
1920 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1921 | //\r | |
1922 | // Use PE32 offset.\r | |
1923 | //\r | |
1924 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r | |
4333b99d | 1925 | HashSize = (UINTN) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN) HashBase;\r |
ecc722ad | 1926 | } else {\r |
1927 | //\r | |
1928 | // Use PE32+ offset.\r | |
20333c6d | 1929 | //\r |
ecc722ad | 1930 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r |
4333b99d | 1931 | HashSize = (UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN) HashBase;\r |
ecc722ad | 1932 | }\r |
1933 | \r | |
1934 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1935 | if (!Status) {\r | |
1936 | goto Done;\r | |
1937 | }\r | |
1938 | //\r | |
1939 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
1940 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
1941 | //\r | |
1942 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1943 | //\r | |
1944 | // Use PE32 offset\r | |
1945 | //\r | |
1946 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
4333b99d | 1947 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - ((UINTN) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN) mImageBase);\r |
ecc722ad | 1948 | } else {\r |
1949 | //\r | |
1950 | // Use PE32+ offset.\r | |
1951 | //\r | |
1952 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
4333b99d | 1953 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - ((UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN) mImageBase);\r |
ecc722ad | 1954 | }\r |
1955 | \r | |
1956 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1957 | if (!Status) {\r | |
1958 | goto Done;\r | |
1959 | }\r | |
1960 | //\r | |
1961 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
1962 | //\r | |
1963 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1964 | //\r | |
1965 | // Use PE32 offset.\r | |
1966 | //\r | |
1967 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
1968 | } else {\r | |
1969 | //\r | |
1970 | // Use PE32+ offset\r | |
1971 | //\r | |
1972 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
1973 | }\r | |
1974 | \r | |
1975 | //\r | |
1976 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
1977 | // structures in the image. The 'NumberOfSections' field of the image\r | |
1978 | // header indicates how big the table should be. Do not include any\r | |
1979 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
1980 | //\r | |
1981 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *) AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r | |
1982 | ASSERT (SectionHeader != NULL);\r | |
1983 | //\r | |
1984 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
1985 | // a key, arrange the elements in the table in ascending order. In other\r | |
1986 | // words, sort the section headers according to the disk-file offset of\r | |
1987 | // the section.\r | |
1988 | //\r | |
1989 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1990 | mImageBase +\r | |
1991 | mPeCoffHeaderOffset +\r | |
1992 | sizeof (UINT32) +\r | |
1993 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
1994 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1995 | );\r | |
1996 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1997 | Pos = Index;\r | |
1998 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
1999 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
2000 | Pos--;\r | |
2001 | }\r | |
2002 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
2003 | Section += 1;\r | |
2004 | }\r | |
2005 | \r | |
2006 | //\r | |
2007 | // 13. Walk through the sorted table, bring the corresponding section\r | |
2008 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
2009 | // field in the section header to determine the amount of data to hash).\r | |
2010 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
2011 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
2012 | //\r | |
2013 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
2014 | Section = &SectionHeader[Index];\r | |
2015 | if (Section->SizeOfRawData == 0) {\r | |
2016 | continue;\r | |
2017 | }\r | |
2018 | HashBase = mImageBase + Section->PointerToRawData;\r | |
2019 | HashSize = (UINTN) Section->SizeOfRawData;\r | |
2020 | \r | |
2021 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
2022 | if (!Status) {\r | |
2023 | goto Done;\r | |
2024 | }\r | |
2025 | \r | |
2026 | SumOfBytesHashed += HashSize;\r | |
2027 | }\r | |
2028 | \r | |
2029 | //\r | |
2030 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
2031 | // data in the file that needs to be added to the hash. This data begins\r | |
2032 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
2033 | // FileSize - (CertDirectory->Size)\r | |
2034 | //\r | |
2035 | if (mImageSize > SumOfBytesHashed) {\r | |
2036 | HashBase = mImageBase + SumOfBytesHashed;\r | |
2037 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
2038 | //\r | |
2039 | // Use PE32 offset.\r | |
2040 | //\r | |
2041 | HashSize = (UINTN)(\r | |
2042 | mImageSize -\r | |
2043 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
2044 | SumOfBytesHashed);\r | |
2045 | } else {\r | |
2046 | //\r | |
2047 | // Use PE32+ offset.\r | |
2048 | //\r | |
2049 | HashSize = (UINTN)(\r | |
2050 | mImageSize -\r | |
2051 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
20333c6d | 2052 | SumOfBytesHashed);\r |
ecc722ad | 2053 | }\r |
2054 | \r | |
2055 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
2056 | if (!Status) {\r | |
2057 | goto Done;\r | |
2058 | }\r | |
2059 | }\r | |
2060 | \r | |
2061 | Status = mHash[HashAlg].HashFinal(HashCtx, mImageDigest);\r | |
2062 | \r | |
2063 | Done:\r | |
2064 | if (HashCtx != NULL) {\r | |
2065 | FreePool (HashCtx);\r | |
2066 | }\r | |
2067 | if (SectionHeader != NULL) {\r | |
2068 | FreePool (SectionHeader);\r | |
2069 | }\r | |
2070 | return Status;\r | |
2071 | }\r | |
2072 | \r | |
2073 | /**\r | |
69f8bb52 | 2074 | Recognize the Hash algorithm in PE/COFF Authenticode and calculate hash of\r |
20333c6d | 2075 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification\r |
ecc722ad | 2076 | 8.0 Appendix A\r |
2077 | \r | |
2078 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
2079 | @retval EFI_SUCCESS Hash successfully.\r | |
2080 | \r | |
2081 | **/\r | |
20333c6d | 2082 | EFI_STATUS\r |
ecc722ad | 2083 | HashPeImageByType (\r |
2084 | VOID\r | |
2085 | )\r | |
2086 | {\r | |
2087 | UINT8 Index;\r | |
2088 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
2089 | \r | |
2090 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *) (mImageBase + mSecDataDir->Offset);\r | |
2091 | \r | |
20333c6d | 2092 | for (Index = 0; Index < HASHALG_MAX; Index++) {\r |
ecc722ad | 2093 | //\r |
2094 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
20333c6d | 2095 | // According to PKCS#7 Definition:\r |
ecc722ad | 2096 | // SignedData ::= SEQUENCE {\r |
2097 | // version Version,\r | |
2098 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
2099 | // contentInfo ContentInfo,\r | |
2100 | // .... }\r | |
2101 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
2102 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
2103 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
2104 | //\r | |
2105 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r | |
2106 | //\r | |
2107 | // Only support two bytes of Long Form of Length Encoding.\r | |
2108 | //\r | |
2109 | continue;\r | |
2110 | }\r | |
2111 | \r | |
20333c6d | 2112 | //\r |
ecc722ad | 2113 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r |
2114 | break;\r | |
2115 | }\r | |
2116 | }\r | |
2117 | \r | |
2118 | if (Index == HASHALG_MAX) {\r | |
2119 | return EFI_UNSUPPORTED;\r | |
2120 | }\r | |
2121 | \r | |
2122 | //\r | |
2123 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
2124 | //\r | |
2125 | if (!HashPeImage(Index)) {\r | |
2126 | return EFI_UNSUPPORTED;\r | |
2127 | }\r | |
2128 | \r | |
2129 | return EFI_SUCCESS;\r | |
2130 | }\r | |
2131 | \r | |
4de754e1 ZC |
2132 | /**\r |
2133 | Enroll a new executable's signature into Signature Database.\r | |
2134 | \r | |
2135 | @param[in] PrivateData The module's private data.\r | |
2136 | @param[in] VariableName Variable name of signature database, must be\r | |
2137 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2138 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
2139 | \r | |
2140 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2141 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2142 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2143 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2144 | \r | |
2145 | **/\r | |
2146 | EFI_STATUS\r | |
2147 | EnrollAuthentication2Descriptor (\r | |
2148 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2149 | IN CHAR16 *VariableName\r | |
2150 | )\r | |
2151 | {\r | |
2152 | EFI_STATUS Status;\r | |
2153 | VOID *Data;\r | |
2154 | UINTN DataSize;\r | |
2155 | UINT32 Attr;\r | |
2156 | \r | |
2157 | Data = NULL;\r | |
2158 | \r | |
2159 | //\r | |
2160 | // DBT only support DER-X509 Cert Enrollment\r | |
2161 | //\r | |
2162 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r | |
2163 | return EFI_UNSUPPORTED;\r | |
2164 | }\r | |
2165 | \r | |
2166 | //\r | |
2167 | // Read the whole file content\r | |
2168 | //\r | |
2169 | Status = ReadFileContent(\r | |
2170 | Private->FileContext->FHandle,\r | |
2171 | (VOID **) &mImageBase,\r | |
2172 | &mImageSize,\r | |
2173 | 0\r | |
2174 | );\r | |
2175 | if (EFI_ERROR (Status)) {\r | |
2176 | goto ON_EXIT;\r | |
2177 | }\r | |
2178 | ASSERT (mImageBase != NULL);\r | |
2179 | \r | |
2180 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
2181 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
2182 | \r | |
2183 | //\r | |
2184 | // Check if SigDB variable has been already existed.\r | |
2185 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
2186 | // new signature data to original variable\r | |
2187 | //\r | |
2188 | DataSize = 0;\r | |
2189 | Status = gRT->GetVariable(\r | |
2190 | VariableName,\r | |
2191 | &gEfiImageSecurityDatabaseGuid,\r | |
2192 | NULL,\r | |
2193 | &DataSize,\r | |
2194 | NULL\r | |
2195 | );\r | |
2196 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2197 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2198 | } else if (Status != EFI_NOT_FOUND) {\r | |
2199 | goto ON_EXIT;\r | |
2200 | }\r | |
2201 | \r | |
2202 | //\r | |
2203 | // Diretly set AUTHENTICATION_2 data to SetVariable\r | |
2204 | //\r | |
2205 | Status = gRT->SetVariable(\r | |
2206 | VariableName,\r | |
2207 | &gEfiImageSecurityDatabaseGuid,\r | |
2208 | Attr,\r | |
2209 | mImageSize,\r | |
2210 | mImageBase\r | |
2211 | );\r | |
2212 | \r | |
2213 | DEBUG((DEBUG_INFO, "Enroll AUTH_2 data to Var:%s Status: %x\n", VariableName, Status));\r | |
2214 | \r | |
2215 | ON_EXIT:\r | |
2216 | \r | |
2217 | CloseEnrolledFile(Private->FileContext);\r | |
2218 | \r | |
2219 | if (Data != NULL) {\r | |
2220 | FreePool (Data);\r | |
2221 | }\r | |
2222 | \r | |
2223 | if (mImageBase != NULL) {\r | |
2224 | FreePool (mImageBase);\r | |
2225 | mImageBase = NULL;\r | |
2226 | }\r | |
2227 | \r | |
2228 | return Status;\r | |
2229 | \r | |
2230 | }\r | |
2231 | \r | |
2232 | \r | |
ecc722ad | 2233 | /**\r |
20333c6d | 2234 | Enroll a new executable's signature into Signature Database.\r |
ecc722ad | 2235 | \r |
2236 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
2237 | @param[in] VariableName Variable name of signature database, must be\r |
2238 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2239 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
ecc722ad | 2240 | \r |
2241 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2242 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2243 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2244 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2245 | \r | |
2246 | **/\r | |
2247 | EFI_STATUS\r | |
2248 | EnrollImageSignatureToSigDB (\r | |
2249 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2250 | IN CHAR16 *VariableName\r | |
2251 | )\r | |
2252 | {\r | |
2253 | EFI_STATUS Status;\r | |
2254 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
2255 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
2256 | VOID *Data;\r | |
2257 | UINTN DataSize;\r | |
2258 | UINTN SigDBSize;\r | |
2259 | UINT32 Attr;\r | |
2260 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
2261 | \r | |
2262 | Data = NULL;\r | |
2263 | GuidCertData = NULL;\r | |
ecc722ad | 2264 | \r |
20333c6d QL |
2265 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r |
2266 | return EFI_UNSUPPORTED;\r | |
2267 | }\r | |
2268 | \r | |
ecc722ad | 2269 | //\r |
2270 | // Form the SigDB certificate list.\r | |
2271 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
2272 | //\r | |
2273 | // We need to parse executable's signature data from specified signed executable file.\r | |
2274 | // In current implementation, we simply trust the pass-in signed executable file.\r | |
2275 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
2276 | //\r | |
2277 | \r | |
2278 | //\r | |
2279 | // Read the whole file content\r | |
2280 | //\r | |
2281 | Status = ReadFileContent(\r | |
2282 | Private->FileContext->FHandle,\r | |
20333c6d QL |
2283 | (VOID **) &mImageBase,\r |
2284 | &mImageSize,\r | |
ecc722ad | 2285 | 0\r |
2286 | );\r | |
2287 | if (EFI_ERROR (Status)) {\r | |
2288 | goto ON_EXIT;\r | |
20333c6d | 2289 | }\r |
ba57d4fd | 2290 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 2291 | \r |
2292 | Status = LoadPeImage ();\r | |
2293 | if (EFI_ERROR (Status)) {\r | |
2294 | goto ON_EXIT;\r | |
2295 | }\r | |
2296 | \r | |
2297 | if (mSecDataDir->SizeOfCert == 0) {\r | |
2298 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2299 | Status = EFI_SECURITY_VIOLATION;\r | |
2300 | goto ON_EXIT;\r | |
2301 | }\r | |
2302 | } else {\r | |
20333c6d | 2303 | \r |
ecc722ad | 2304 | //\r |
2305 | // Read the certificate data\r | |
2306 | //\r | |
2307 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
2308 | \r | |
2309 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
2310 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID*) mCertificate;\r | |
2311 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof(EFI_GUID)) != 0) {\r | |
2312 | Status = EFI_ABORTED;\r | |
2313 | goto ON_EXIT;\r | |
2314 | }\r | |
2315 | \r | |
2316 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2317 | Status = EFI_ABORTED;\r | |
2318 | goto ON_EXIT;;\r | |
2319 | }\r | |
20333c6d | 2320 | \r |
ecc722ad | 2321 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r |
2322 | \r | |
2323 | Status = HashPeImageByType ();\r | |
2324 | if (EFI_ERROR (Status)) {\r | |
2325 | goto ON_EXIT;;\r | |
2326 | }\r | |
2327 | } else {\r | |
2328 | Status = EFI_ABORTED;\r | |
2329 | goto ON_EXIT;\r | |
2330 | }\r | |
2331 | }\r | |
2332 | \r | |
2333 | //\r | |
2334 | // Create a new SigDB entry.\r | |
2335 | //\r | |
20333c6d | 2336 | SigDBSize = sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 2337 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
2338 | + (UINT32) mImageDigestSize;\r | |
2339 | \r | |
2340 | Data = (UINT8*) AllocateZeroPool (SigDBSize);\r | |
2341 | if (Data == NULL) {\r | |
2342 | Status = EFI_OUT_OF_RESOURCES;\r | |
2343 | goto ON_EXIT;\r | |
2344 | }\r | |
20333c6d | 2345 | \r |
ecc722ad | 2346 | //\r |
2347 | // Adjust the Certificate Database parameters.\r | |
20333c6d | 2348 | //\r |
ecc722ad | 2349 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r |
2350 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
2351 | SigDBCert->SignatureHeaderSize = 0;\r | |
2352 | SigDBCert->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + (UINT32) mImageDigestSize;\r | |
2353 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r | |
2354 | \r | |
2355 | SigDBCertData = (EFI_SIGNATURE_DATA*)((UINT8*)SigDBCert + sizeof(EFI_SIGNATURE_LIST));\r | |
2356 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
2357 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
2358 | \r | |
20333c6d | 2359 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r |
8c1babfd | 2360 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
2361 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
2362 | if (EFI_ERROR (Status)) {\r | |
2363 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2364 | goto ON_EXIT;\r | |
2365 | }\r | |
20333c6d | 2366 | \r |
ecc722ad | 2367 | //\r |
20333c6d QL |
2368 | // Check if SigDB variable has been already existed.\r |
2369 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 2370 | // new signature data to original variable\r |
20333c6d | 2371 | //\r |
ecc722ad | 2372 | DataSize = 0;\r |
2373 | Status = gRT->GetVariable(\r | |
20333c6d QL |
2374 | VariableName,\r |
2375 | &gEfiImageSecurityDatabaseGuid,\r | |
2376 | NULL,\r | |
2377 | &DataSize,\r | |
ecc722ad | 2378 | NULL\r |
2379 | );\r | |
2380 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2381 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2382 | } else if (Status != EFI_NOT_FOUND) {\r | |
2383 | goto ON_EXIT;\r | |
20333c6d | 2384 | }\r |
ecc722ad | 2385 | \r |
2386 | //\r | |
2387 | // Enroll the variable.\r | |
2388 | //\r | |
2389 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2390 | VariableName,\r |
2391 | &gEfiImageSecurityDatabaseGuid,\r | |
2392 | Attr,\r | |
2393 | SigDBSize,\r | |
ecc722ad | 2394 | Data\r |
2395 | );\r | |
2396 | if (EFI_ERROR (Status)) {\r | |
2397 | goto ON_EXIT;\r | |
2398 | }\r | |
2399 | \r | |
2400 | ON_EXIT:\r | |
2401 | \r | |
4de754e1 | 2402 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 2403 | \r |
2404 | if (Private->SignatureGUID != NULL) {\r | |
2405 | FreePool (Private->SignatureGUID);\r | |
2406 | Private->SignatureGUID = NULL;\r | |
2407 | }\r | |
2408 | \r | |
2409 | if (Data != NULL) {\r | |
2410 | FreePool (Data);\r | |
2411 | }\r | |
2412 | \r | |
2413 | if (mImageBase != NULL) {\r | |
2414 | FreePool (mImageBase);\r | |
2415 | mImageBase = NULL;\r | |
2416 | }\r | |
2417 | \r | |
2418 | return Status;\r | |
2419 | }\r | |
2420 | \r | |
2421 | /**\r | |
20333c6d | 2422 | Enroll signature into DB/DBX/DBT without KEK's authentication.\r |
ecc722ad | 2423 | The SignatureOwner GUID will be Private->SignatureGUID.\r |
20333c6d | 2424 | \r |
ecc722ad | 2425 | @param[in] PrivateData The module's private data.\r |
20333c6d | 2426 | @param[in] VariableName Variable name of signature database, must be\r |
ecc722ad | 2427 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r |
20333c6d | 2428 | \r |
ecc722ad | 2429 | @retval EFI_SUCCESS New signature enrolled successfully.\r |
2430 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2431 | @retval others Fail to enroll signature data.\r | |
20333c6d | 2432 | \r |
ecc722ad | 2433 | **/\r |
2434 | EFI_STATUS\r | |
2435 | EnrollSignatureDatabase (\r | |
2436 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2437 | IN CHAR16 *VariableName\r | |
20333c6d | 2438 | )\r |
ecc722ad | 2439 | {\r |
2440 | UINT16* FilePostFix;\r | |
f71ed839 | 2441 | EFI_STATUS Status;\r |
fd64f84f | 2442 | UINTN NameLength;\r |
ecc722ad | 2443 | \r |
2444 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
2445 | return EFI_INVALID_PARAMETER;\r | |
2446 | }\r | |
2447 | \r | |
20333c6d | 2448 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 2449 | if (EFI_ERROR (Status)) {\r |
2450 | return Status;\r | |
2451 | }\r | |
20333c6d | 2452 | \r |
ecc722ad | 2453 | //\r |
20333c6d | 2454 | // Parse the file's postfix.\r |
ecc722ad | 2455 | //\r |
fd64f84f GCPL |
2456 | NameLength = StrLen (Private->FileContext->FileName);\r |
2457 | if (NameLength <= 4) {\r | |
2458 | return EFI_INVALID_PARAMETER;\r | |
2459 | }\r | |
2460 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
20333c6d | 2461 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
ecc722ad | 2462 | //\r |
e4d7370d | 2463 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 2464 | //\r |
2465 | return EnrollX509toSigDB (Private, VariableName);\r | |
4de754e1 ZC |
2466 | } else if (IsAuthentication2Format(Private->FileContext->FHandle)){\r |
2467 | return EnrollAuthentication2Descriptor(Private, VariableName);\r | |
2468 | } else {\r | |
2469 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
ecc722ad | 2470 | }\r |
ecc722ad | 2471 | }\r |
2472 | \r | |
2473 | /**\r | |
20333c6d | 2474 | List all signatures in specified signature database (e.g. KEK/DB/DBX/DBT)\r |
ecc722ad | 2475 | by GUID in the page for user to select and delete as needed.\r |
2476 | \r | |
2477 | @param[in] PrivateData Module's private data.\r | |
2478 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2479 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2480 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2481 | @param[in] FormId Form ID of current page.\r | |
2482 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2483 | \r | |
2484 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2485 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
20333c6d | 2486 | \r |
ecc722ad | 2487 | **/\r |
2488 | EFI_STATUS\r | |
2489 | UpdateDeletePage (\r | |
2490 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2491 | IN CHAR16 *VariableName,\r | |
2492 | IN EFI_GUID *VendorGuid,\r | |
2493 | IN UINT16 LabelNumber,\r | |
2494 | IN EFI_FORM_ID FormId,\r | |
2495 | IN EFI_QUESTION_ID QuestionIdBase\r | |
2496 | )\r | |
2497 | {\r | |
2498 | EFI_STATUS Status;\r | |
2499 | UINT32 Index;\r | |
2500 | UINTN CertCount;\r | |
2501 | UINTN GuidIndex;\r | |
2502 | VOID *StartOpCodeHandle;\r | |
2503 | VOID *EndOpCodeHandle;\r | |
2504 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
20333c6d | 2505 | EFI_IFR_GUID_LABEL *EndLabel;\r |
ecc722ad | 2506 | UINTN DataSize;\r |
2507 | UINT8 *Data;\r | |
2508 | EFI_SIGNATURE_LIST *CertList;\r | |
2509 | EFI_SIGNATURE_DATA *Cert;\r | |
2510 | UINT32 ItemDataSize;\r | |
2511 | CHAR16 *GuidStr;\r | |
2512 | EFI_STRING_ID GuidID;\r | |
2513 | EFI_STRING_ID Help;\r | |
2514 | \r | |
2515 | Data = NULL;\r | |
2516 | CertList = NULL;\r | |
2517 | Cert = NULL;\r | |
2518 | GuidStr = NULL;\r | |
2519 | StartOpCodeHandle = NULL;\r | |
2520 | EndOpCodeHandle = NULL;\r | |
20333c6d | 2521 | \r |
ecc722ad | 2522 | //\r |
2523 | // Initialize the container for dynamic opcodes.\r | |
2524 | //\r | |
2525 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2526 | if (StartOpCodeHandle == NULL) {\r | |
2527 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2528 | goto ON_EXIT;\r |
ecc722ad | 2529 | }\r |
2530 | \r | |
2531 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2532 | if (EndOpCodeHandle == NULL) {\r | |
2533 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2534 | goto ON_EXIT;\r |
ecc722ad | 2535 | }\r |
2536 | \r | |
2537 | //\r | |
2538 | // Create Hii Extend Label OpCode.\r | |
2539 | //\r | |
2540 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2541 | StartOpCodeHandle,\r | |
2542 | &gEfiIfrTianoGuid,\r | |
2543 | NULL,\r | |
2544 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2545 | );\r | |
2546 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2547 | StartLabel->Number = LabelNumber;\r | |
2548 | \r | |
2549 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2550 | EndOpCodeHandle,\r | |
2551 | &gEfiIfrTianoGuid,\r | |
2552 | NULL,\r | |
2553 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2554 | );\r | |
2555 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2556 | EndLabel->Number = LABEL_END;\r | |
2557 | \r | |
2558 | //\r | |
2559 | // Read Variable.\r | |
2560 | //\r | |
2561 | DataSize = 0;\r | |
20333c6d | 2562 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r |
ecc722ad | 2563 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r |
2564 | goto ON_EXIT;\r | |
2565 | }\r | |
2566 | \r | |
2567 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2568 | if (Data == NULL) {\r | |
2569 | Status = EFI_OUT_OF_RESOURCES;\r | |
2570 | goto ON_EXIT;\r | |
2571 | }\r | |
2572 | \r | |
2573 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
2574 | if (EFI_ERROR (Status)) {\r | |
2575 | goto ON_EXIT;\r | |
2576 | }\r | |
2577 | \r | |
2578 | GuidStr = AllocateZeroPool (100);\r | |
2579 | if (GuidStr == NULL) {\r | |
2580 | Status = EFI_OUT_OF_RESOURCES;\r | |
2581 | goto ON_EXIT;\r | |
2582 | }\r | |
2583 | \r | |
2584 | //\r | |
2585 | // Enumerate all KEK pub data.\r | |
2586 | //\r | |
2587 | ItemDataSize = (UINT32) DataSize;\r | |
2588 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2589 | GuidIndex = 0;\r | |
2590 | \r | |
2591 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2592 | \r | |
2593 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
2594 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
2595 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2596 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
2597 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
2598 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
2599 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
2600 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
20333c6d QL |
2601 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid)) {\r |
2602 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA256_GUID);\r | |
2603 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
2604 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA384_GUID);\r | |
2605 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
2606 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA512_GUID);\r | |
ecc722ad | 2607 | } else {\r |
2608 | //\r | |
2609 | // The signature type is not supported in current implementation.\r | |
2610 | //\r | |
b7d269ea | 2611 | ItemDataSize -= CertList->SignatureListSize;\r |
2612 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
ecc722ad | 2613 | continue;\r |
2614 | }\r | |
2615 | \r | |
2616 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2617 | for (Index = 0; Index < CertCount; Index++) {\r | |
20333c6d QL |
2618 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList\r |
2619 | + sizeof (EFI_SIGNATURE_LIST)\r | |
2620 | + CertList->SignatureHeaderSize\r | |
ecc722ad | 2621 | + Index * CertList->SignatureSize);\r |
2622 | //\r | |
20333c6d | 2623 | // Display GUID and help\r |
ecc722ad | 2624 | //\r |
2625 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
2626 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r | |
2627 | HiiCreateCheckBoxOpCode (\r | |
2628 | StartOpCodeHandle,\r | |
2629 | (EFI_QUESTION_ID) (QuestionIdBase + GuidIndex++),\r | |
20333c6d QL |
2630 | 0,\r |
2631 | 0,\r | |
2632 | GuidID,\r | |
ecc722ad | 2633 | Help,\r |
2634 | EFI_IFR_FLAG_CALLBACK,\r | |
2635 | 0,\r | |
2636 | NULL\r | |
20333c6d | 2637 | );\r |
ecc722ad | 2638 | }\r |
2639 | \r | |
2640 | ItemDataSize -= CertList->SignatureListSize;\r | |
2641 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2642 | }\r | |
2643 | \r | |
2644 | ON_EXIT:\r | |
2645 | HiiUpdateForm (\r | |
2646 | PrivateData->HiiHandle,\r | |
2647 | &gSecureBootConfigFormSetGuid,\r | |
2648 | FormId,\r | |
2649 | StartOpCodeHandle,\r | |
2650 | EndOpCodeHandle\r | |
2651 | );\r | |
2652 | \r | |
2653 | if (StartOpCodeHandle != NULL) {\r | |
2654 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2655 | }\r | |
2656 | \r | |
2657 | if (EndOpCodeHandle != NULL) {\r | |
2658 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2659 | }\r | |
20333c6d | 2660 | \r |
ecc722ad | 2661 | if (Data != NULL) {\r |
2662 | FreePool (Data);\r | |
2663 | }\r | |
2664 | \r | |
2665 | if (GuidStr != NULL) {\r | |
2666 | FreePool (GuidStr);\r | |
2667 | }\r | |
2668 | \r | |
2669 | return EFI_SUCCESS;\r | |
2670 | }\r | |
2671 | \r | |
beda2356 | 2672 | /**\r |
20333c6d | 2673 | Delete a KEK entry from KEK database.\r |
beda2356 | 2674 | \r |
ecc722ad | 2675 | @param[in] PrivateData Module's private data.\r |
2676 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 2677 | \r |
ecc722ad | 2678 | @retval EFI_SUCCESS Delete kek item successfully.\r |
2679 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 2680 | \r |
ecc722ad | 2681 | **/\r |
2682 | EFI_STATUS\r | |
2683 | DeleteKeyExchangeKey (\r | |
2684 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2685 | IN EFI_QUESTION_ID QuestionId\r | |
2686 | )\r | |
2687 | {\r | |
2688 | EFI_STATUS Status;\r | |
2689 | UINTN DataSize;\r | |
2690 | UINT8 *Data;\r | |
2691 | UINT8 *OldData;\r | |
2692 | UINT32 Attr;\r | |
2693 | UINT32 Index;\r | |
2694 | EFI_SIGNATURE_LIST *CertList;\r | |
2695 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2696 | EFI_SIGNATURE_DATA *Cert;\r | |
2697 | UINTN CertCount;\r | |
2698 | UINT32 Offset;\r | |
2699 | BOOLEAN IsKEKItemFound;\r | |
2700 | UINT32 KekDataSize;\r | |
2701 | UINTN DeleteKekIndex;\r | |
2702 | UINTN GuidIndex;\r | |
2703 | \r | |
2704 | Data = NULL;\r | |
2705 | OldData = NULL;\r | |
2706 | CertList = NULL;\r | |
2707 | Cert = NULL;\r | |
20333c6d | 2708 | Attr = 0;\r |
ecc722ad | 2709 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r |
f71ed839 | 2710 | \r |
2711 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
2712 | if (EFI_ERROR (Status)) {\r | |
2713 | return Status;\r | |
2714 | }\r | |
20333c6d | 2715 | \r |
ecc722ad | 2716 | //\r |
2717 | // Get original KEK variable.\r | |
20333c6d QL |
2718 | //\r |
2719 | DataSize = 0;\r | |
ecc722ad | 2720 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r |
2721 | if (EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2722 | goto ON_EXIT;\r | |
2723 | }\r | |
2724 | \r | |
2725 | OldData = (UINT8*)AllocateZeroPool(DataSize);\r | |
2726 | if (OldData == NULL) {\r | |
20333c6d | 2727 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2728 | goto ON_EXIT;\r |
2729 | }\r | |
2730 | \r | |
2731 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
2732 | if (EFI_ERROR(Status)) {\r | |
2733 | goto ON_EXIT;\r | |
2734 | }\r | |
2735 | \r | |
2736 | //\r | |
20333c6d | 2737 | // Allocate space for new variable.\r |
ecc722ad | 2738 | //\r |
2739 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2740 | if (Data == NULL) {\r | |
2741 | Status = EFI_OUT_OF_RESOURCES;\r | |
2742 | goto ON_EXIT;\r | |
2743 | }\r | |
2744 | \r | |
2745 | //\r | |
2746 | // Enumerate all KEK pub data and erasing the target item.\r | |
2747 | //\r | |
2748 | IsKEKItemFound = FALSE;\r | |
2749 | KekDataSize = (UINT32) DataSize;\r | |
2750 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2751 | Offset = 0;\r | |
2752 | GuidIndex = 0;\r | |
2753 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2754 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2755 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2756 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2757 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
2758 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2759 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2760 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2761 | for (Index = 0; Index < CertCount; Index++) {\r | |
2762 | if (GuidIndex == DeleteKekIndex ) {\r | |
2763 | //\r | |
2764 | // Find it! Skip it!\r | |
2765 | //\r | |
2766 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2767 | IsKEKItemFound = TRUE;\r |
ecc722ad | 2768 | } else {\r |
2769 | //\r | |
2770 | // This item doesn't match. Copy it to the Data buffer.\r | |
2771 | //\r | |
2772 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
2773 | Offset += CertList->SignatureSize;\r | |
2774 | }\r | |
2775 | GuidIndex++;\r | |
2776 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8*) Cert + CertList->SignatureSize);\r | |
2777 | }\r | |
2778 | } else {\r | |
2779 | //\r | |
2780 | // This List doesn't match. Copy it to the Data buffer.\r | |
2781 | //\r | |
2782 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
2783 | Offset += CertList->SignatureListSize;\r | |
2784 | }\r | |
20333c6d | 2785 | \r |
ecc722ad | 2786 | KekDataSize -= CertList->SignatureListSize;\r |
2787 | CertList = (EFI_SIGNATURE_LIST*) ((UINT8*) CertList + CertList->SignatureListSize);\r | |
2788 | }\r | |
2789 | \r | |
2790 | if (!IsKEKItemFound) {\r | |
2791 | //\r | |
2792 | // Doesn't find the Kek Item!\r | |
2793 | //\r | |
2794 | Status = EFI_NOT_FOUND;\r | |
2795 | goto ON_EXIT;\r | |
2796 | }\r | |
2797 | \r | |
2798 | //\r | |
2799 | // Delete the Signature header if there is no signature in the list.\r | |
2800 | //\r | |
2801 | KekDataSize = Offset;\r | |
2802 | CertList = (EFI_SIGNATURE_LIST*) Data;\r | |
2803 | Offset = 0;\r | |
2804 | ZeroMem (OldData, KekDataSize);\r | |
2805 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2806 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2807 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2808 | if (CertCount != 0) {\r |
2809 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
2810 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2811 | }\r |
ecc722ad | 2812 | KekDataSize -= CertList->SignatureListSize;\r |
2813 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2814 | }\r | |
2815 | \r | |
ecc722ad | 2816 | DataSize = Offset;\r |
8c1babfd | 2817 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2818 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2819 | if (EFI_ERROR (Status)) {\r | |
2820 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2821 | goto ON_EXIT;\r | |
2822 | }\r | |
2823 | }\r | |
ecc722ad | 2824 | \r |
2825 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2826 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2827 | &gEfiGlobalVariableGuid,\r | |
2828 | Attr,\r | |
2829 | DataSize,\r | |
ecc722ad | 2830 | OldData\r |
2831 | );\r | |
2832 | if (EFI_ERROR (Status)) {\r | |
2833 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
2834 | goto ON_EXIT;\r | |
2835 | }\r | |
20333c6d | 2836 | \r |
ecc722ad | 2837 | ON_EXIT:\r |
2838 | if (Data != NULL) {\r | |
2839 | FreePool(Data);\r | |
2840 | }\r | |
2841 | \r | |
2842 | if (OldData != NULL) {\r | |
2843 | FreePool(OldData);\r | |
2844 | }\r | |
2845 | \r | |
2846 | return UpdateDeletePage (\r | |
20333c6d | 2847 | PrivateData,\r |
ecc722ad | 2848 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2849 | &gEfiGlobalVariableGuid,\r | |
2850 | LABEL_KEK_DELETE,\r | |
2851 | FORMID_DELETE_KEK_FORM,\r | |
2852 | OPTION_DEL_KEK_QUESTION_ID\r | |
2853 | );\r | |
2854 | }\r | |
2855 | \r | |
2856 | /**\r | |
2857 | Delete a signature entry from siganture database.\r | |
beda2356 | 2858 | \r |
ecc722ad | 2859 | @param[in] PrivateData Module's private data.\r |
2860 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2861 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2862 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2863 | @param[in] FormId Form ID of current page.\r | |
2864 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2865 | @param[in] DeleteIndex Signature index to delete.\r | |
20333c6d | 2866 | \r |
ecc722ad | 2867 | @retval EFI_SUCCESS Delete siganture successfully.\r |
2868 | @retval EFI_NOT_FOUND Can't find the signature item,\r | |
2869 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 2870 | **/\r |
2871 | EFI_STATUS\r | |
ecc722ad | 2872 | DeleteSignature (\r |
2873 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2874 | IN CHAR16 *VariableName,\r | |
2875 | IN EFI_GUID *VendorGuid,\r | |
2876 | IN UINT16 LabelNumber,\r | |
2877 | IN EFI_FORM_ID FormId,\r | |
2878 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
2879 | IN UINTN DeleteIndex\r | |
beda2356 | 2880 | )\r |
2881 | {\r | |
ecc722ad | 2882 | EFI_STATUS Status;\r |
2883 | UINTN DataSize;\r | |
2884 | UINT8 *Data;\r | |
2885 | UINT8 *OldData;\r | |
2886 | UINT32 Attr;\r | |
2887 | UINT32 Index;\r | |
2888 | EFI_SIGNATURE_LIST *CertList;\r | |
2889 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2890 | EFI_SIGNATURE_DATA *Cert;\r | |
2891 | UINTN CertCount;\r | |
2892 | UINT32 Offset;\r | |
2893 | BOOLEAN IsItemFound;\r | |
2894 | UINT32 ItemDataSize;\r | |
2895 | UINTN GuidIndex;\r | |
bc0c99b3 | 2896 | \r |
ecc722ad | 2897 | Data = NULL;\r |
2898 | OldData = NULL;\r | |
2899 | CertList = NULL;\r | |
2900 | Cert = NULL;\r | |
20333c6d | 2901 | Attr = 0;\r |
ecc722ad | 2902 | \r |
f71ed839 | 2903 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
2904 | if (EFI_ERROR (Status)) {\r | |
2905 | return Status;\r | |
2906 | }\r | |
2907 | \r | |
ecc722ad | 2908 | //\r |
2909 | // Get original signature list data.\r | |
20333c6d | 2910 | //\r |
ecc722ad | 2911 | DataSize = 0;\r |
2912 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r | |
2913 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2914 | goto ON_EXIT;\r | |
2915 | }\r | |
2916 | \r | |
2917 | OldData = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2918 | if (OldData == NULL) {\r | |
20333c6d | 2919 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2920 | goto ON_EXIT;\r |
2921 | }\r | |
2922 | \r | |
2923 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
2924 | if (EFI_ERROR(Status)) {\r | |
2925 | goto ON_EXIT;\r | |
20333c6d | 2926 | }\r |
ecc722ad | 2927 | \r |
2928 | //\r | |
20333c6d | 2929 | // Allocate space for new variable.\r |
ecc722ad | 2930 | //\r |
2931 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2932 | if (Data == NULL) {\r | |
2933 | Status = EFI_OUT_OF_RESOURCES;\r | |
2934 | goto ON_EXIT;\r | |
2935 | }\r | |
2936 | \r | |
2937 | //\r | |
2938 | // Enumerate all signature data and erasing the target item.\r | |
2939 | //\r | |
2940 | IsItemFound = FALSE;\r | |
2941 | ItemDataSize = (UINT32) DataSize;\r | |
2942 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2943 | Offset = 0;\r | |
2944 | GuidIndex = 0;\r | |
2945 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2946 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2947 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
2948 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
20333c6d QL |
2949 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid) ||\r |
2950 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid) ||\r | |
2951 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid) ||\r | |
2952 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)\r | |
ecc722ad | 2953 | ) {\r |
2954 | //\r | |
2955 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
2956 | //\r | |
2957 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2958 | NewCertList = (EFI_SIGNATURE_LIST*) (Data + Offset);\r | |
2959 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2960 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2961 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2962 | for (Index = 0; Index < CertCount; Index++) {\r | |
2963 | if (GuidIndex == DeleteIndex) {\r | |
2964 | //\r | |
2965 | // Find it! Skip it!\r | |
2966 | //\r | |
2967 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2968 | IsItemFound = TRUE;\r |
ecc722ad | 2969 | } else {\r |
2970 | //\r | |
2971 | // This item doesn't match. Copy it to the Data buffer.\r | |
2972 | //\r | |
2973 | CopyMem (Data + Offset, (UINT8*)(Cert), CertList->SignatureSize);\r | |
2974 | Offset += CertList->SignatureSize;\r | |
2975 | }\r | |
2976 | GuidIndex++;\r | |
2977 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
2978 | }\r | |
2979 | } else {\r | |
2980 | //\r | |
2981 | // This List doesn't match. Just copy it to the Data buffer.\r | |
2982 | //\r | |
2983 | CopyMem (Data + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2984 | Offset += CertList->SignatureListSize;\r | |
2985 | }\r | |
20333c6d | 2986 | \r |
ecc722ad | 2987 | ItemDataSize -= CertList->SignatureListSize;\r |
2988 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2989 | }\r | |
2990 | \r | |
2991 | if (!IsItemFound) {\r | |
2992 | //\r | |
2993 | // Doesn't find the signature Item!\r | |
2994 | //\r | |
2995 | Status = EFI_NOT_FOUND;\r | |
2996 | goto ON_EXIT;\r | |
2997 | }\r | |
2998 | \r | |
2999 | //\r | |
3000 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
3001 | //\r | |
3002 | ItemDataSize = Offset;\r | |
3003 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
3004 | Offset = 0;\r | |
3005 | ZeroMem (OldData, ItemDataSize);\r | |
3006 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
3007 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 3008 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 3009 | if (CertCount != 0) {\r |
3010 | CopyMem (OldData + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
3011 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 3012 | }\r |
ecc722ad | 3013 | ItemDataSize -= CertList->SignatureListSize;\r |
3014 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
3015 | }\r | |
3016 | \r | |
ecc722ad | 3017 | DataSize = Offset;\r |
8c1babfd | 3018 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
3019 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
3020 | if (EFI_ERROR (Status)) {\r | |
3021 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
3022 | goto ON_EXIT;\r | |
3023 | }\r | |
3024 | }\r | |
ecc722ad | 3025 | \r |
3026 | Status = gRT->SetVariable(\r | |
20333c6d QL |
3027 | VariableName,\r |
3028 | VendorGuid,\r | |
3029 | Attr,\r | |
3030 | DataSize,\r | |
ecc722ad | 3031 | OldData\r |
3032 | );\r | |
beda2356 | 3033 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 3034 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
3035 | goto ON_EXIT;\r | |
beda2356 | 3036 | }\r |
20333c6d | 3037 | \r |
ecc722ad | 3038 | ON_EXIT:\r |
3039 | if (Data != NULL) {\r | |
3040 | FreePool(Data);\r | |
3041 | }\r | |
3042 | \r | |
3043 | if (OldData != NULL) {\r | |
3044 | FreePool(OldData);\r | |
3045 | }\r | |
3046 | \r | |
3047 | return UpdateDeletePage (\r | |
20333c6d | 3048 | PrivateData,\r |
ecc722ad | 3049 | VariableName,\r |
3050 | VendorGuid,\r | |
3051 | LabelNumber,\r | |
3052 | FormId,\r | |
3053 | QuestionIdBase\r | |
3054 | );\r | |
3055 | }\r | |
3056 | \r | |
02dd6af9 CZ |
3057 | /**\r |
3058 | \r | |
3059 | Update SecureBoot strings based on new Secure Boot Mode State. String includes STR_SECURE_BOOT_STATE_CONTENT\r | |
3060 | and STR_CUR_SECURE_BOOT_MODE_CONTENT.\r | |
3061 | \r | |
3062 | @param[in] PrivateData Module's private data.\r | |
3063 | \r | |
3064 | @return EFI_SUCCESS Update secure boot strings successfully.\r | |
3065 | @return other Fail to update secure boot strings.\r | |
3066 | \r | |
3067 | **/\r | |
3068 | EFI_STATUS\r | |
3069 | UpdateSecureBootString(\r | |
3070 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
abffadf0 ZC |
3071 | )\r |
3072 | {\r | |
02dd6af9 CZ |
3073 | UINT8 *SecureBoot;\r |
3074 | \r | |
e8cd9b80 CZ |
3075 | SecureBoot = NULL;\r |
3076 | \r | |
02dd6af9 CZ |
3077 | //\r |
3078 | // Get current secure boot state.\r | |
3079 | //\r | |
e8cd9b80 CZ |
3080 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SecureBoot, NULL);\r |
3081 | if (SecureBoot == NULL) {\r | |
3082 | return EFI_NOT_FOUND;\r | |
02dd6af9 CZ |
3083 | }\r |
3084 | \r | |
3085 | if (*SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
3086 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
3087 | } else {\r | |
3088 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
3089 | }\r | |
02dd6af9 CZ |
3090 | \r |
3091 | FreePool(SecureBoot);\r | |
3092 | \r | |
3093 | return EFI_SUCCESS;\r | |
3094 | }\r | |
3095 | \r | |
ecc722ad | 3096 | /**\r |
3097 | This function extracts configuration from variable.\r | |
20333c6d | 3098 | \r |
4de754e1 | 3099 | @param[in] Private Point to SecureBoot configuration driver private data.\r |
ecc722ad | 3100 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r |
3101 | \r | |
3102 | **/\r | |
3103 | VOID\r | |
3104 | SecureBootExtractConfigFromVariable (\r | |
4de754e1 | 3105 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
ecc722ad | 3106 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r |
20333c6d | 3107 | )\r |
ecc722ad | 3108 | {\r |
20333c6d | 3109 | UINT8 *SecureBootEnable;\r |
12087ff6 | 3110 | UINT8 *SetupMode;\r |
20333c6d QL |
3111 | UINT8 *SecureBootMode;\r |
3112 | EFI_TIME CurrTime;\r | |
ecc722ad | 3113 | \r |
3114 | SecureBootEnable = NULL;\r | |
12087ff6 | 3115 | SetupMode = NULL;\r |
ecc722ad | 3116 | SecureBootMode = NULL;\r |
20333c6d QL |
3117 | \r |
3118 | //\r | |
3119 | // Initilize the Date and Time using system time.\r | |
3120 | //\r | |
3121 | ConfigData->CertificateFormat = HASHALG_RAW;\r | |
3122 | ConfigData->AlwaysRevocation = TRUE;\r | |
3123 | gRT->GetTime (&CurrTime, NULL);\r | |
3124 | ConfigData->RevocationDate.Year = CurrTime.Year;\r | |
3125 | ConfigData->RevocationDate.Month = CurrTime.Month;\r | |
3126 | ConfigData->RevocationDate.Day = CurrTime.Day;\r | |
3127 | ConfigData->RevocationTime.Hour = CurrTime.Hour;\r | |
3128 | ConfigData->RevocationTime.Minute = CurrTime.Minute;\r | |
3129 | ConfigData->RevocationTime.Second = 0;\r | |
4de754e1 ZC |
3130 | if (Private->FileContext->FHandle != NULL) {\r |
3131 | ConfigData->FileEnrollType = Private->FileContext->FileType;\r | |
3132 | } else {\r | |
3133 | ConfigData->FileEnrollType = UNKNOWN_FILE_TYPE;\r | |
3134 | }\r | |
20333c6d | 3135 | \r |
ecc722ad | 3136 | //\r |
3137 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
3138 | //\r | |
3139 | if (UserPhysicalPresent()) {\r | |
3140 | ConfigData->PhysicalPresent = TRUE;\r | |
3141 | } else {\r | |
3142 | ConfigData->PhysicalPresent = FALSE;\r | |
3143 | }\r | |
20333c6d | 3144 | \r |
96832eef CZ |
3145 | //\r |
3146 | // If there is no PK then the Delete Pk button will be gray.\r | |
3147 | //\r | |
12087ff6 ZC |
3148 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
3149 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
96832eef CZ |
3150 | ConfigData->HasPk = FALSE;\r |
3151 | } else {\r | |
3152 | ConfigData->HasPk = TRUE;\r | |
3153 | }\r | |
3154 | \r | |
126f3b1d ZC |
3155 | //\r |
3156 | // Check SecureBootEnable & Pk status, fix the inconsistence. \r | |
3157 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r | |
3158 | // Checkbox.\r | |
3159 | //\r | |
3160 | ConfigData->AttemptSecureBoot = FALSE;\r | |
3161 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL); \r | |
3162 | \r | |
3163 | //\r | |
3164 | // Fix Pk, SecureBootEnable inconsistence\r | |
3165 | //\r | |
f1005559 | 3166 | if ((SetupMode != NULL) && (*SetupMode) == USER_MODE) {\r |
126f3b1d ZC |
3167 | ConfigData->HideSecureBoot = FALSE;\r |
3168 | if ((SecureBootEnable != NULL) && (*SecureBootEnable == SECURE_BOOT_ENABLE)) {\r | |
3169 | ConfigData->AttemptSecureBoot = TRUE;\r | |
3170 | }\r | |
3171 | } else {\r | |
3172 | ConfigData->HideSecureBoot = TRUE;\r | |
3173 | }\r | |
3174 | \r | |
12087ff6 ZC |
3175 | //\r |
3176 | // Get the SecureBootMode from CustomMode variable.\r | |
3177 | //\r | |
3178 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3179 | if (SecureBootMode == NULL) {\r | |
3180 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3181 | } else {\r | |
3182 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
3183 | }\r | |
3184 | \r | |
f71ed839 | 3185 | if (SecureBootEnable != NULL) {\r |
3186 | FreePool (SecureBootEnable);\r | |
3187 | }\r | |
12087ff6 ZC |
3188 | if (SetupMode != NULL) {\r |
3189 | FreePool (SetupMode);\r | |
3190 | }\r | |
f71ed839 | 3191 | if (SecureBootMode != NULL) {\r |
3192 | FreePool (SecureBootMode);\r | |
3193 | }\r | |
beda2356 | 3194 | }\r |
3195 | \r | |
3196 | /**\r | |
3197 | This function allows a caller to extract the current configuration for one\r | |
3198 | or more named elements from the target driver.\r | |
3199 | \r | |
3200 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3201 | @param[in] Request A null-terminated Unicode string in\r | |
3202 | <ConfigRequest> format.\r | |
3203 | @param[out] Progress On return, points to a character in the Request\r | |
3204 | string. Points to the string's null terminator if\r | |
3205 | request was successful. Points to the most recent\r | |
3206 | '&' before the first failing name/value pair (or\r | |
3207 | the beginning of the string if the failure is in\r | |
3208 | the first name/value pair) if the request was not\r | |
3209 | successful.\r | |
3210 | @param[out] Results A null-terminated Unicode string in\r | |
3211 | <ConfigAltResp> format which has all values filled\r | |
3212 | in for the names in the Request string. String to\r | |
3213 | be allocated by the called function.\r | |
3214 | \r | |
3215 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
3216 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
3217 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
3218 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3219 | driver.\r | |
3220 | \r | |
3221 | **/\r | |
3222 | EFI_STATUS\r | |
3223 | EFIAPI\r | |
3224 | SecureBootExtractConfig (\r | |
3225 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3226 | IN CONST EFI_STRING Request,\r | |
3227 | OUT EFI_STRING *Progress,\r | |
3228 | OUT EFI_STRING *Results\r | |
3229 | )\r | |
3230 | {\r | |
3231 | EFI_STATUS Status;\r | |
3232 | UINTN BufferSize;\r | |
bc0c99b3 | 3233 | UINTN Size;\r |
beda2356 | 3234 | SECUREBOOT_CONFIGURATION Configuration;\r |
beda2356 | 3235 | EFI_STRING ConfigRequest;\r |
bc0c99b3 | 3236 | EFI_STRING ConfigRequestHdr;\r |
bc0c99b3 | 3237 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r |
3238 | BOOLEAN AllocatedRequest;\r | |
3239 | \r | |
beda2356 | 3240 | if (Progress == NULL || Results == NULL) {\r |
3241 | return EFI_INVALID_PARAMETER;\r | |
3242 | }\r | |
20333c6d | 3243 | \r |
bc0c99b3 | 3244 | AllocatedRequest = FALSE;\r |
3245 | ConfigRequestHdr = NULL;\r | |
3246 | ConfigRequest = NULL;\r | |
3247 | Size = 0;\r | |
20333c6d | 3248 | \r |
ea71453f | 3249 | ZeroMem (&Configuration, sizeof (Configuration));\r |
bc0c99b3 | 3250 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3251 | *Progress = Request;\r | |
20333c6d | 3252 | \r |
beda2356 | 3253 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
3254 | return EFI_NOT_FOUND;\r | |
3255 | }\r | |
3256 | \r | |
4de754e1 ZC |
3257 | ZeroMem(&Configuration, sizeof(SECUREBOOT_CONFIGURATION));\r |
3258 | \r | |
beda2356 | 3259 | //\r |
ecc722ad | 3260 | // Get Configuration from Variable.\r |
beda2356 | 3261 | //\r |
4de754e1 | 3262 | SecureBootExtractConfigFromVariable (PrivateData, &Configuration);\r |
f71ed839 | 3263 | \r |
bc0c99b3 | 3264 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 3265 | ConfigRequest = Request;\r |
bc0c99b3 | 3266 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
3267 | //\r | |
3268 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 3269 | //\r |
3270 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
3271 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
3272 | //\r | |
3273 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
3274 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
3275 | ConfigRequest = AllocateZeroPool (Size);\r | |
3276 | ASSERT (ConfigRequest != NULL);\r | |
3277 | AllocatedRequest = TRUE;\r | |
3278 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
3279 | FreePool (ConfigRequestHdr);\r | |
3280 | ConfigRequestHdr = NULL;\r | |
3281 | }\r | |
beda2356 | 3282 | \r |
3283 | Status = gHiiConfigRouting->BlockToConfig (\r | |
3284 | gHiiConfigRouting,\r | |
3285 | ConfigRequest,\r | |
3286 | (UINT8 *) &Configuration,\r | |
3287 | BufferSize,\r | |
3288 | Results,\r | |
3289 | Progress\r | |
3290 | );\r | |
bc0c99b3 | 3291 | \r |
3292 | //\r | |
3293 | // Free the allocated config request string.\r | |
3294 | //\r | |
3295 | if (AllocatedRequest) {\r | |
3296 | FreePool (ConfigRequest);\r | |
3297 | }\r | |
3298 | \r | |
beda2356 | 3299 | //\r |
3300 | // Set Progress string to the original request string.\r | |
3301 | //\r | |
3302 | if (Request == NULL) {\r | |
3303 | *Progress = NULL;\r | |
3304 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
3305 | *Progress = Request + StrLen (Request);\r | |
3306 | }\r | |
3307 | \r | |
3308 | return Status;\r | |
3309 | }\r | |
3310 | \r | |
3311 | /**\r | |
3312 | This function processes the results of changes in configuration.\r | |
3313 | \r | |
3314 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3315 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
3316 | format.\r | |
3317 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
3318 | the most recent '&' before the first failing\r | |
3319 | name/value pair (or the beginning of the string if\r | |
3320 | the failure is in the first name/value pair) or\r | |
3321 | the terminating NULL if all was successful.\r | |
3322 | \r | |
3323 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
3324 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
3325 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3326 | driver.\r | |
3327 | \r | |
3328 | **/\r | |
3329 | EFI_STATUS\r | |
3330 | EFIAPI\r | |
3331 | SecureBootRouteConfig (\r | |
3332 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3333 | IN CONST EFI_STRING Configuration,\r | |
3334 | OUT EFI_STRING *Progress\r | |
3335 | )\r | |
3336 | {\r | |
4de754e1 ZC |
3337 | SECUREBOOT_CONFIGURATION IfrNvData;\r |
3338 | UINTN BufferSize;\r | |
3339 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
3340 | EFI_STATUS Status;\r | |
20333c6d | 3341 | \r |
beda2356 | 3342 | if (Configuration == NULL || Progress == NULL) {\r |
3343 | return EFI_INVALID_PARAMETER;\r | |
3344 | }\r | |
3345 | \r | |
3346 | *Progress = Configuration;\r | |
3347 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
3348 | return EFI_NOT_FOUND;\r | |
3349 | }\r | |
3350 | \r | |
4de754e1 ZC |
3351 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3352 | \r | |
a365eed4 FS |
3353 | //\r |
3354 | // Get Configuration from Variable.\r | |
3355 | //\r | |
4de754e1 | 3356 | SecureBootExtractConfigFromVariable (PrivateData, &IfrNvData);\r |
a365eed4 FS |
3357 | \r |
3358 | //\r | |
3359 | // Map the Configuration to the configuration block.\r | |
3360 | //\r | |
a2f2c258 | 3361 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
3362 | Status = gHiiConfigRouting->ConfigToBlock (\r | |
3363 | gHiiConfigRouting,\r | |
3364 | Configuration,\r | |
3365 | (UINT8 *)&IfrNvData,\r | |
3366 | &BufferSize,\r | |
3367 | Progress\r | |
3368 | );\r | |
3369 | if (EFI_ERROR (Status)) {\r | |
3370 | return Status;\r | |
3371 | }\r | |
3372 | \r | |
3373 | //\r | |
3374 | // Store Buffer Storage back to EFI variable if needed\r | |
3375 | //\r | |
126f3b1d | 3376 | if (!IfrNvData.HideSecureBoot) {\r |
a2f2c258 | 3377 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r |
3378 | if (EFI_ERROR (Status)) {\r | |
3379 | return Status;\r | |
3380 | }\r | |
3381 | }\r | |
3382 | \r | |
ecc722ad | 3383 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 3384 | return EFI_SUCCESS;\r |
3385 | }\r | |
3386 | \r | |
3387 | /**\r | |
ecc722ad | 3388 | This function is called to provide results data to the driver.\r |
beda2356 | 3389 | \r |
3390 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3391 | @param[in] Action Specifies the type of action taken by the browser.\r | |
3392 | @param[in] QuestionId A unique value which is sent to the original\r | |
3393 | exporting driver so that it can identify the type\r | |
3394 | of data to expect.\r | |
3395 | @param[in] Type The type of value for the question.\r | |
3396 | @param[in] Value A pointer to the data being sent to the original\r | |
3397 | exporting driver.\r | |
3398 | @param[out] ActionRequest On return, points to the action requested by the\r | |
3399 | callback function.\r | |
3400 | \r | |
3401 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
3402 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
3403 | variable and its data.\r | |
3404 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
3405 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
3406 | callback.\r | |
3407 | \r | |
3408 | **/\r | |
3409 | EFI_STATUS\r | |
3410 | EFIAPI\r | |
3411 | SecureBootCallback (\r | |
3412 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3413 | IN EFI_BROWSER_ACTION Action,\r | |
3414 | IN EFI_QUESTION_ID QuestionId,\r | |
3415 | IN UINT8 Type,\r | |
3416 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
3417 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
3418 | )\r | |
3419 | {\r | |
ecc722ad | 3420 | EFI_INPUT_KEY Key;\r |
20333c6d | 3421 | EFI_STATUS Status;\r |
2a085774 | 3422 | RETURN_STATUS RStatus;\r |
ecc722ad | 3423 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r |
3424 | UINTN BufferSize;\r | |
3425 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
3426 | UINT16 LabelId;\r | |
bf4a3dbd | 3427 | UINT8 *SecureBootEnable;\r |
126f3b1d | 3428 | UINT8 *Pk;\r |
f71ed839 | 3429 | UINT8 *SecureBootMode;\r |
12087ff6 | 3430 | UINT8 *SetupMode;\r |
e4d7370d | 3431 | CHAR16 PromptString[100];\r |
762d8ddb | 3432 | EFI_DEVICE_PATH_PROTOCOL *File;\r |
4de754e1 ZC |
3433 | UINTN NameLength;\r |
3434 | UINT16 *FilePostFix;\r | |
3435 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
bf4a3dbd | 3436 | \r |
96832eef | 3437 | Status = EFI_SUCCESS;\r |
bf4a3dbd | 3438 | SecureBootEnable = NULL;\r |
f71ed839 | 3439 | SecureBootMode = NULL;\r |
12087ff6 | 3440 | SetupMode = NULL;\r |
762d8ddb | 3441 | File = NULL;\r |
bc0c99b3 | 3442 | \r |
beda2356 | 3443 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
3444 | return EFI_INVALID_PARAMETER;\r | |
3445 | }\r | |
12087ff6 | 3446 | \r |
96832eef CZ |
3447 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3448 | \r | |
762d8ddb DB |
3449 | gSecureBootPrivateData = Private;\r |
3450 | \r | |
96832eef CZ |
3451 | //\r |
3452 | // Retrieve uncommitted data from Browser\r | |
3453 | //\r | |
3454 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
3455 | IfrNvData = AllocateZeroPool (BufferSize);\r | |
3456 | if (IfrNvData == NULL) {\r | |
3457 | return EFI_OUT_OF_RESOURCES;\r | |
3458 | }\r | |
3459 | \r | |
3460 | HiiGetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *) IfrNvData);\r | |
beda2356 | 3461 | \r |
a365eed4 FS |
3462 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
3463 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
02dd6af9 CZ |
3464 | //\r |
3465 | // Update secure boot strings when opening this form\r | |
3466 | //\r | |
3467 | Status = UpdateSecureBootString(Private);\r | |
4de754e1 | 3468 | SecureBootExtractConfigFromVariable (Private, IfrNvData);\r |
a365eed4 | 3469 | mIsEnterSecureBootForm = TRUE;\r |
4de754e1 ZC |
3470 | } else {\r |
3471 | //\r | |
3472 | // When entering SecureBoot OPTION Form\r | |
3473 | // always close opened file & free resource\r | |
3474 | //\r | |
3475 | if ((QuestionId == KEY_SECURE_BOOT_PK_OPTION) ||\r | |
3476 | (QuestionId == KEY_SECURE_BOOT_KEK_OPTION) ||\r | |
3477 | (QuestionId == KEY_SECURE_BOOT_DB_OPTION) ||\r | |
3478 | (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) ||\r | |
3479 | (QuestionId == KEY_SECURE_BOOT_DBT_OPTION)) {\r | |
3480 | CloseEnrolledFile(Private->FileContext);\r | |
3481 | }\r | |
a365eed4 | 3482 | }\r |
96832eef | 3483 | goto EXIT;\r |
a365eed4 | 3484 | }\r |
20333c6d | 3485 | \r |
a365eed4 FS |
3486 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r |
3487 | Status = EFI_UNSUPPORTED;\r | |
3488 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
3489 | if (mIsEnterSecureBootForm) {\r | |
3490 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
3491 | Status = EFI_SUCCESS;\r | |
3492 | }\r | |
12087ff6 | 3493 | } \r |
96832eef | 3494 | goto EXIT;\r |
a365eed4 | 3495 | }\r |
20333c6d | 3496 | \r |
f71ed839 | 3497 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
3498 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 3499 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
3500 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD)) {\r | |
96832eef CZ |
3501 | Status = EFI_UNSUPPORTED;\r |
3502 | goto EXIT;\r | |
beda2356 | 3503 | }\r |
bc0c99b3 | 3504 | \r |
ecc722ad | 3505 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r |
3506 | \r | |
3507 | switch (QuestionId) {\r | |
3508 | case KEY_SECURE_BOOT_ENABLE:\r | |
f01b91ae | 3509 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
bf4a3dbd | 3510 | if (NULL != SecureBootEnable) {\r |
f71ed839 | 3511 | FreePool (SecureBootEnable);\r |
ecc722ad | 3512 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r |
3513 | CreatePopUp (\r | |
3514 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3515 | &Key,\r | |
3516 | L"Only Physical Presence User could disable secure boot!",\r | |
3517 | NULL\r | |
3518 | );\r | |
3519 | Status = EFI_UNSUPPORTED;\r | |
0357efe3 | 3520 | } else {\r |
3521 | CreatePopUp (\r | |
3522 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3523 | &Key,\r | |
f71ed839 | 3524 | L"Configuration changed, please reset the platform to take effect!",\r |
0357efe3 | 3525 | NULL\r |
3526 | );\r | |
ecc722ad | 3527 | }\r |
ecc722ad | 3528 | }\r |
3529 | break;\r | |
3530 | \r | |
ecc722ad | 3531 | case KEY_SECURE_BOOT_KEK_OPTION:\r |
3532 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
3533 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
20333c6d | 3534 | case KEY_SECURE_BOOT_DBT_OPTION:\r |
4de754e1 | 3535 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
ecc722ad | 3536 | //\r |
3537 | // Clear Signature GUID.\r | |
3538 | //\r | |
3539 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
3540 | if (Private->SignatureGUID == NULL) {\r | |
3541 | Private->SignatureGUID = (EFI_GUID *) AllocateZeroPool (sizeof (EFI_GUID));\r | |
3542 | if (Private->SignatureGUID == NULL) {\r | |
3543 | return EFI_OUT_OF_RESOURCES;\r | |
3544 | }\r | |
3545 | }\r | |
beda2356 | 3546 | \r |
4de754e1 ZC |
3547 | //\r |
3548 | // Cleanup VFRData once leaving PK/KEK/DB/DBX/DBT enroll/delete page\r | |
3549 | //\r | |
3550 | SecureBootExtractConfigFromVariable (PrivateData, IfrNvData);\r | |
3551 | \r | |
ecc722ad | 3552 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r |
3553 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
3554 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
3555 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
20333c6d QL |
3556 | } else if (QuestionId == KEY_SECURE_BOOT_DBT_OPTION) {\r |
3557 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;\r | |
ecc722ad | 3558 | } else {\r |
3559 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
3560 | }\r | |
3561 | \r | |
3562 | //\r | |
3563 | // Refresh selected file.\r | |
3564 | //\r | |
20333c6d | 3565 | CleanUpPage (LabelId, Private);\r |
ecc722ad | 3566 | break;\r |
762d8ddb DB |
3567 | case KEY_SECURE_BOOT_PK_OPTION:\r |
3568 | LabelId = FORMID_ENROLL_PK_FORM;\r | |
3569 | //\r | |
3570 | // Refresh selected file.\r | |
3571 | //\r | |
3572 | CleanUpPage (LabelId, Private);\r | |
3573 | break;\r | |
3574 | \r | |
3575 | case FORMID_ENROLL_PK_FORM:\r | |
d6224153 | 3576 | ChooseFile (NULL, NULL, UpdatePKFromFile, &File);\r |
762d8ddb | 3577 | break;\r |
20333c6d | 3578 | \r |
ecc722ad | 3579 | case FORMID_ENROLL_KEK_FORM:\r |
d6224153 | 3580 | ChooseFile (NULL, NULL, UpdateKEKFromFile, &File);\r |
762d8ddb DB |
3581 | break;\r |
3582 | \r | |
ecc722ad | 3583 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r |
d6224153 | 3584 | ChooseFile (NULL, NULL, UpdateDBFromFile, &File);\r |
762d8ddb DB |
3585 | break;\r |
3586 | \r | |
ecc722ad | 3587 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r |
d6224153 | 3588 | ChooseFile (NULL, NULL, UpdateDBXFromFile, &File);\r |
4de754e1 ZC |
3589 | \r |
3590 | if (Private->FileContext->FHandle != NULL) {\r | |
3591 | //\r | |
3592 | // Parse the file's postfix.\r | |
3593 | //\r | |
3594 | NameLength = StrLen (Private->FileContext->FileName);\r | |
3595 | if (NameLength <= 4) {\r | |
3596 | return FALSE;\r | |
3597 | }\r | |
3598 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
3599 | \r | |
3600 | if (IsDerEncodeCertificate (FilePostFix)) {\r | |
3601 | //\r | |
3602 | // Supports DER-encoded X509 certificate.\r | |
3603 | //\r | |
3604 | IfrNvData->FileEnrollType = X509_CERT_FILE_TYPE;\r | |
3605 | } else if (IsAuthentication2Format(Private->FileContext->FHandle)){\r | |
3606 | IfrNvData->FileEnrollType = AUTHENTICATION_2_FILE_TYPE;\r | |
3607 | } else {\r | |
3608 | IfrNvData->FileEnrollType = PE_IMAGE_FILE_TYPE;\r | |
3609 | }\r | |
3610 | Private->FileContext->FileType = IfrNvData->FileEnrollType;\r | |
3611 | \r | |
3612 | //\r | |
3613 | // Clean up Certificate Format if File type is not X509 DER\r | |
3614 | //\r | |
3615 | if (IfrNvData->FileEnrollType != X509_CERT_FILE_TYPE) {\r | |
3616 | IfrNvData->CertificateFormat = HASHALG_RAW;\r | |
3617 | }\r | |
3618 | DEBUG((DEBUG_ERROR, "IfrNvData->FileEnrollType %d\n", Private->FileContext->FileType));\r | |
3619 | }\r | |
3620 | \r | |
762d8ddb | 3621 | break;\r |
ecc722ad | 3622 | \r |
762d8ddb | 3623 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBT:\r |
d6224153 | 3624 | ChooseFile (NULL, NULL, UpdateDBTFromFile, &File);\r |
ecc722ad | 3625 | break;\r |
3626 | \r | |
20333c6d | 3627 | case KEY_SECURE_BOOT_DELETE_PK:\r |
f71ed839 | 3628 | if (Value->u8) {\r |
3629 | CreatePopUp (\r | |
3630 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3631 | &Key,\r | |
3632 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
3633 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
3634 | NULL\r | |
3635 | );\r | |
3636 | if (Key.UnicodeChar == 'y' || Key.UnicodeChar == 'Y') {\r | |
ecc722ad | 3637 | Status = DeletePlatformKey ();\r |
f71ed839 | 3638 | if (EFI_ERROR (Status)) {\r |
3639 | CreatePopUp (\r | |
3640 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3641 | &Key,\r | |
3642 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
3643 | NULL\r | |
3644 | );\r | |
3645 | }\r | |
ecc722ad | 3646 | }\r |
f71ed839 | 3647 | }\r |
ecc722ad | 3648 | break;\r |
3649 | \r | |
3650 | case KEY_DELETE_KEK:\r | |
3651 | UpdateDeletePage (\r | |
20333c6d | 3652 | Private,\r |
ecc722ad | 3653 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
3654 | &gEfiGlobalVariableGuid,\r | |
3655 | LABEL_KEK_DELETE,\r | |
3656 | FORMID_DELETE_KEK_FORM,\r | |
20333c6d | 3657 | OPTION_DEL_KEK_QUESTION_ID\r |
ecc722ad | 3658 | );\r |
3659 | break;\r | |
3660 | \r | |
20333c6d | 3661 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB:\r |
ecc722ad | 3662 | UpdateDeletePage (\r |
3663 | Private,\r | |
3664 | EFI_IMAGE_SECURITY_DATABASE,\r | |
3665 | &gEfiImageSecurityDatabaseGuid,\r | |
3666 | LABEL_DB_DELETE,\r | |
3667 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
3668 | OPTION_DEL_DB_QUESTION_ID\r | |
3669 | );\r | |
3670 | break;\r | |
3671 | \r | |
3672 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBX:\r | |
3673 | UpdateDeletePage (\r | |
3674 | Private,\r | |
3675 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
3676 | &gEfiImageSecurityDatabaseGuid,\r | |
3677 | LABEL_DBX_DELETE,\r | |
3678 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r | |
3679 | OPTION_DEL_DBX_QUESTION_ID\r | |
3680 | );\r | |
3681 | \r | |
3682 | break;\r | |
3683 | \r | |
20333c6d QL |
3684 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBT:\r |
3685 | UpdateDeletePage (\r | |
3686 | Private,\r | |
3687 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
3688 | &gEfiImageSecurityDatabaseGuid,\r | |
3689 | LABEL_DBT_DELETE,\r | |
3690 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
3691 | OPTION_DEL_DBT_QUESTION_ID\r | |
3692 | );\r | |
3693 | \r | |
3694 | break;\r | |
3695 | \r | |
ecc722ad | 3696 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r |
3697 | Status = EnrollKeyExchangeKey (Private);\r | |
ee79ac8d | 3698 | if (EFI_ERROR (Status)) {\r |
3699 | CreatePopUp (\r | |
3700 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3701 | &Key,\r | |
3702 | L"ERROR: Unsupported file type!",\r | |
3703 | L"Only supports DER-encoded X509 certificate",\r | |
3704 | NULL\r | |
3705 | );\r | |
3706 | }\r | |
ecc722ad | 3707 | break;\r |
3708 | \r | |
3709 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
3710 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
ee79ac8d | 3711 | if (EFI_ERROR (Status)) {\r |
3712 | CreatePopUp (\r | |
3713 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3714 | &Key,\r | |
3715 | L"ERROR: Unsupported file type!",\r | |
3716 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
3717 | NULL\r | |
3718 | );\r | |
3719 | }\r | |
ecc722ad | 3720 | break;\r |
3721 | \r | |
3722 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
20333c6d QL |
3723 | if (IsX509CertInDbx (Private, EFI_IMAGE_SECURITY_DATABASE1)) {\r |
3724 | CreatePopUp (\r | |
3725 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3726 | &Key,\r | |
3727 | L"Enrollment failed! Same certificate had already been in the dbx!",\r | |
3728 | NULL\r | |
3729 | );\r | |
4de754e1 ZC |
3730 | \r |
3731 | //\r | |
3732 | // Cert already exists in DBX. Close opened file before exit.\r | |
3733 | //\r | |
3734 | CloseEnrolledFile(Private->FileContext);\r | |
3735 | break;\r | |
20333c6d QL |
3736 | }\r |
3737 | \r | |
3738 | if ((IfrNvData != NULL) && (IfrNvData->CertificateFormat < HASHALG_MAX)) {\r | |
3739 | Status = EnrollX509HashtoSigDB (\r | |
3740 | Private,\r | |
3741 | IfrNvData->CertificateFormat,\r | |
3742 | &IfrNvData->RevocationDate,\r | |
3743 | &IfrNvData->RevocationTime,\r | |
3744 | IfrNvData->AlwaysRevocation\r | |
3745 | );\r | |
4de754e1 | 3746 | IfrNvData->CertificateFormat = HASHALG_RAW;\r |
20333c6d QL |
3747 | } else {\r |
3748 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
3749 | }\r | |
ee79ac8d | 3750 | if (EFI_ERROR (Status)) {\r |
3751 | CreatePopUp (\r | |
3752 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3753 | &Key,\r | |
3754 | L"ERROR: Unsupported file type!",\r | |
4de754e1 | 3755 | L"Only supports DER-encoded X509 certificate, AUTH_2 format data & executable EFI image",\r |
ee79ac8d | 3756 | NULL\r |
3757 | );\r | |
3758 | }\r | |
ecc722ad | 3759 | break;\r |
3760 | \r | |
20333c6d QL |
3761 | case KEY_VALUE_SAVE_AND_EXIT_DBT:\r |
3762 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE2);\r | |
3763 | if (EFI_ERROR (Status)) {\r | |
3764 | CreatePopUp (\r | |
3765 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3766 | &Key,\r | |
3767 | L"ERROR: Unsupported file type!",\r | |
3768 | L"Only supports DER-encoded X509 certificate.",\r | |
3769 | NULL\r | |
3770 | );\r | |
3771 | }\r | |
3772 | break;\r | |
762d8ddb DB |
3773 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r |
3774 | Status = EnrollPlatformKey (Private);\r | |
3775 | if (EFI_ERROR (Status)) {\r | |
3776 | UnicodeSPrint (\r | |
3777 | PromptString,\r | |
3778 | sizeof (PromptString),\r | |
3779 | L"Only DER encoded certificate file (%s) is supported.",\r | |
3780 | mSupportX509Suffix\r | |
3781 | );\r | |
3782 | CreatePopUp (\r | |
3783 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3784 | &Key,\r | |
3785 | L"ERROR: Unsupported file type!",\r | |
3786 | PromptString,\r | |
3787 | NULL\r | |
3788 | );\r | |
3789 | }\r | |
3790 | break;\r | |
ecc722ad | 3791 | default:\r |
762d8ddb | 3792 | if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r |
ecc722ad | 3793 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r |
3794 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
3795 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
3796 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3797 | DeleteSignature (\r | |
3798 | Private,\r | |
3799 | EFI_IMAGE_SECURITY_DATABASE,\r | |
3800 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 3801 | LABEL_DB_DELETE,\r |
ecc722ad | 3802 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r |
3803 | OPTION_DEL_DB_QUESTION_ID,\r | |
3804 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
3805 | );\r | |
3806 | } else if ((QuestionId >= OPTION_DEL_DBX_QUESTION_ID) &&\r | |
3807 | (QuestionId < (OPTION_DEL_DBX_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3808 | DeleteSignature (\r | |
3809 | Private,\r | |
3810 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
3811 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 3812 | LABEL_DBX_DELETE,\r |
ecc722ad | 3813 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r |
3814 | OPTION_DEL_DBX_QUESTION_ID,\r | |
3815 | QuestionId - OPTION_DEL_DBX_QUESTION_ID\r | |
3816 | );\r | |
20333c6d QL |
3817 | } else if ((QuestionId >= OPTION_DEL_DBT_QUESTION_ID) &&\r |
3818 | (QuestionId < (OPTION_DEL_DBT_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3819 | DeleteSignature (\r | |
3820 | Private,\r | |
3821 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
3822 | &gEfiImageSecurityDatabaseGuid,\r | |
3823 | LABEL_DBT_DELETE,\r | |
3824 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
3825 | OPTION_DEL_DBT_QUESTION_ID,\r | |
3826 | QuestionId - OPTION_DEL_DBT_QUESTION_ID\r | |
3827 | );\r | |
ecc722ad | 3828 | }\r |
3829 | break;\r | |
ecc722ad | 3830 | \r |
3831 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
3832 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
3833 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
3834 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
20333c6d | 3835 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBT:\r |
4de754e1 | 3836 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d | 3837 | \r |
ecc722ad | 3838 | if (Private->SignatureGUID != NULL) {\r |
3839 | FreePool (Private->SignatureGUID);\r | |
3840 | Private->SignatureGUID = NULL;\r | |
3841 | }\r | |
ecc722ad | 3842 | break;\r |
762d8ddb DB |
3843 | }\r |
3844 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
3845 | switch (QuestionId) {\r | |
3846 | case KEY_SECURE_BOOT_ENABLE:\r | |
3847 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3848 | break;\r | |
ecc722ad | 3849 | case KEY_SECURE_BOOT_MODE:\r |
a365eed4 | 3850 | mIsEnterSecureBootForm = FALSE;\r |
ecc722ad | 3851 | break;\r |
ecc722ad | 3852 | case KEY_SECURE_BOOT_KEK_GUID:\r |
3853 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
3854 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
20333c6d | 3855 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBT:\r |
ecc722ad | 3856 | ASSERT (Private->SignatureGUID != NULL);\r |
2a085774 RN |
3857 | RStatus = StrToGuid (IfrNvData->SignatureGuid, Private->SignatureGUID);\r |
3858 | if (RETURN_ERROR (RStatus) || (IfrNvData->SignatureGuid[GUID_STRING_LENGTH] != L'\0')) {\r | |
3859 | Status = EFI_INVALID_PARAMETER;\r | |
ecc722ad | 3860 | break;\r |
3861 | }\r | |
3862 | \r | |
3863 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3864 | break;\r | |
ecc722ad | 3865 | case KEY_SECURE_BOOT_DELETE_PK:\r |
12087ff6 ZC |
3866 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
3867 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
f71ed839 | 3868 | IfrNvData->DeletePk = TRUE;\r |
3869 | IfrNvData->HasPk = FALSE;\r | |
ecc722ad | 3870 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r |
f71ed839 | 3871 | } else {\r |
3872 | IfrNvData->DeletePk = FALSE;\r | |
3873 | IfrNvData->HasPk = TRUE;\r | |
3874 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3875 | }\r | |
12087ff6 ZC |
3876 | if (SetupMode != NULL) {\r |
3877 | FreePool (SetupMode);\r | |
3878 | }\r | |
c93bcb7e ED |
3879 | break;\r |
3880 | default:\r | |
c93bcb7e | 3881 | break;\r |
ecc722ad | 3882 | }\r |
a2f2c258 | 3883 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
3884 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
126f3b1d ZC |
3885 | GetVariable2 (EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid, (VOID**)&Pk, NULL);\r |
3886 | if (Pk == NULL) {\r | |
a2f2c258 | 3887 | IfrNvData->HideSecureBoot = TRUE;\r |
3888 | } else {\r | |
126f3b1d | 3889 | FreePool (Pk);\r |
a2f2c258 | 3890 | IfrNvData->HideSecureBoot = FALSE;\r |
3891 | }\r | |
3892 | Value->b = IfrNvData->HideSecureBoot;\r | |
3893 | }\r | |
f71ed839 | 3894 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
3895 | //\r | |
3896 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
3897 | //\r | |
3898 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3899 | if (NULL != SecureBootMode && *SecureBootMode == CUSTOM_SECURE_BOOT_MODE) {\r | |
3900 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3901 | SetSecureBootMode(STANDARD_SECURE_BOOT_MODE);\r | |
3902 | }\r | |
3903 | if (SecureBootMode != NULL) {\r | |
3904 | FreePool (SecureBootMode);\r | |
3905 | }\r | |
ecc722ad | 3906 | }\r |
20333c6d | 3907 | \r |
96832eef CZ |
3908 | EXIT:\r |
3909 | \r | |
ecc722ad | 3910 | if (!EFI_ERROR (Status)) {\r |
3911 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
742d9b3a | 3912 | HiiSetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8*) IfrNvData, NULL);\r |
ecc722ad | 3913 | }\r |
96832eef | 3914 | \r |
ecc722ad | 3915 | FreePool (IfrNvData);\r |
20333c6d | 3916 | \r |
762d8ddb DB |
3917 | if (File != NULL){\r |
3918 | FreePool(File);\r | |
3919 | File = NULL;\r | |
3920 | }\r | |
3921 | \r | |
ecc722ad | 3922 | return EFI_SUCCESS;\r |
beda2356 | 3923 | }\r |
3924 | \r | |
3925 | /**\r | |
3926 | This function publish the SecureBoot configuration Form.\r | |
3927 | \r | |
3928 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
3929 | \r | |
ecc722ad | 3930 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 3931 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
3932 | @retval Others Other errors as indicated.\r | |
3933 | \r | |
3934 | **/\r | |
3935 | EFI_STATUS\r | |
3936 | InstallSecureBootConfigForm (\r | |
3937 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
3938 | )\r | |
3939 | {\r | |
3940 | EFI_STATUS Status;\r | |
3941 | EFI_HII_HANDLE HiiHandle;\r | |
3942 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 3943 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
3944 | \r | |
3945 | DriverHandle = NULL;\r | |
3946 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
3947 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3948 | &DriverHandle,\r | |
3949 | &gEfiDevicePathProtocolGuid,\r | |
3950 | &mSecureBootHiiVendorDevicePath,\r | |
3951 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3952 | ConfigAccess,\r | |
3953 | NULL\r | |
3954 | );\r | |
3955 | if (EFI_ERROR (Status)) {\r | |
3956 | return Status;\r | |
3957 | }\r | |
3958 | \r | |
3959 | PrivateData->DriverHandle = DriverHandle;\r | |
3960 | \r | |
3961 | //\r | |
3962 | // Publish the HII package list\r | |
3963 | //\r | |
3964 | HiiHandle = HiiAddPackages (\r | |
3965 | &gSecureBootConfigFormSetGuid,\r | |
3966 | DriverHandle,\r | |
3967 | SecureBootConfigDxeStrings,\r | |
3968 | SecureBootConfigBin,\r | |
3969 | NULL\r | |
3970 | );\r | |
3971 | if (HiiHandle == NULL) {\r | |
3972 | gBS->UninstallMultipleProtocolInterfaces (\r | |
3973 | DriverHandle,\r | |
3974 | &gEfiDevicePathProtocolGuid,\r | |
3975 | &mSecureBootHiiVendorDevicePath,\r | |
3976 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3977 | ConfigAccess,\r | |
3978 | NULL\r | |
bc0c99b3 | 3979 | );\r |
beda2356 | 3980 | return EFI_OUT_OF_RESOURCES;\r |
3981 | }\r | |
bc0c99b3 | 3982 | \r |
beda2356 | 3983 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 3984 | \r |
3985 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
20333c6d | 3986 | \r |
762d8ddb | 3987 | if (PrivateData->FileContext == NULL) {\r |
ecc722ad | 3988 | UninstallSecureBootConfigForm (PrivateData);\r |
3989 | return EFI_OUT_OF_RESOURCES;\r | |
3990 | }\r | |
20333c6d | 3991 | \r |
ecc722ad | 3992 | //\r |
3993 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
3994 | //\r | |
3995 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3996 | if (mStartOpCodeHandle == NULL) {\r | |
3997 | UninstallSecureBootConfigForm (PrivateData);\r | |
3998 | return EFI_OUT_OF_RESOURCES;\r | |
3999 | }\r | |
4000 | \r | |
4001 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4002 | if (mEndOpCodeHandle == NULL) {\r | |
4003 | UninstallSecureBootConfigForm (PrivateData);\r | |
4004 | return EFI_OUT_OF_RESOURCES;\r | |
4005 | }\r | |
4006 | \r | |
4007 | //\r | |
4008 | // Create Hii Extend Label OpCode as the start opcode\r | |
4009 | //\r | |
4010 | mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
4011 | mStartOpCodeHandle,\r | |
4012 | &gEfiIfrTianoGuid,\r | |
4013 | NULL,\r | |
4014 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4015 | );\r | |
4016 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4017 | \r | |
4018 | //\r | |
4019 | // Create Hii Extend Label OpCode as the end opcode\r | |
4020 | //\r | |
4021 | mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
4022 | mEndOpCodeHandle,\r | |
4023 | &gEfiIfrTianoGuid,\r | |
4024 | NULL,\r | |
4025 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4026 | );\r | |
4027 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4028 | mEndLabel->Number = LABEL_END;\r | |
20333c6d | 4029 | \r |
bc0c99b3 | 4030 | return EFI_SUCCESS;\r |
beda2356 | 4031 | }\r |
4032 | \r | |
4033 | /**\r | |
4034 | This function removes SecureBoot configuration Form.\r | |
4035 | \r | |
4036 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
4037 | \r | |
4038 | **/\r | |
4039 | VOID\r | |
4040 | UninstallSecureBootConfigForm (\r | |
4041 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
4042 | )\r | |
4043 | {\r | |
4044 | //\r | |
4045 | // Uninstall HII package list\r | |
4046 | //\r | |
4047 | if (PrivateData->HiiHandle != NULL) {\r | |
4048 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
4049 | PrivateData->HiiHandle = NULL;\r | |
4050 | }\r | |
4051 | \r | |
4052 | //\r | |
4053 | // Uninstall HII Config Access Protocol\r | |
4054 | //\r | |
4055 | if (PrivateData->DriverHandle != NULL) {\r | |
4056 | gBS->UninstallMultipleProtocolInterfaces (\r | |
4057 | PrivateData->DriverHandle,\r | |
4058 | &gEfiDevicePathProtocolGuid,\r | |
4059 | &mSecureBootHiiVendorDevicePath,\r | |
4060 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4061 | &PrivateData->ConfigAccess,\r | |
4062 | NULL\r | |
4063 | );\r | |
4064 | PrivateData->DriverHandle = NULL;\r | |
4065 | }\r | |
bc0c99b3 | 4066 | \r |
ecc722ad | 4067 | if (PrivateData->SignatureGUID != NULL) {\r |
4068 | FreePool (PrivateData->SignatureGUID);\r | |
4069 | }\r | |
4070 | \r | |
ecc722ad | 4071 | if (PrivateData->FileContext != NULL) {\r |
4072 | FreePool (PrivateData->FileContext);\r | |
4073 | }\r | |
4074 | \r | |
beda2356 | 4075 | FreePool (PrivateData);\r |
ecc722ad | 4076 | \r |
ecc722ad | 4077 | if (mStartOpCodeHandle != NULL) {\r |
4078 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
4079 | }\r | |
4080 | \r | |
4081 | if (mEndOpCodeHandle != NULL) {\r | |
4082 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
4083 | }\r | |
beda2356 | 4084 | }\r |