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beda2356 | 1 | /** @file\r |
2 | HII Config Access protocol implementation of SecureBoot configuration module.\r | |
3 | \r | |
b3548d32 | 4 | Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\r |
488aab25 | 5 | (C) Copyright 2018 Hewlett Packard Enterprise Development LP<BR>\r |
289b714b | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
beda2356 | 7 | \r |
8 | **/\r | |
9 | \r | |
10 | #include "SecureBootConfigImpl.h"\r | |
85974aef | 11 | #include <Library/BaseCryptLib.h>\r |
db959018 GB |
12 | #include <Library/SecureBootVariableLib.h>\r |
13 | #include <Library/SecureBootVariableProvisionLib.h>\r | |
beda2356 | 14 | \r |
ecc722ad | 15 | CHAR16 mSecureBootStorageName[] = L"SECUREBOOT_CONFIGURATION";\r |
beda2356 | 16 | \r |
17 | SECUREBOOT_CONFIG_PRIVATE_DATA mSecureBootConfigPrivateDateTemplate = {\r | |
20333c6d | 18 | SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE,\r |
beda2356 | 19 | {\r |
20 | SecureBootExtractConfig,\r | |
21 | SecureBootRouteConfig,\r | |
22 | SecureBootCallback\r | |
23 | }\r | |
24 | };\r | |
25 | \r | |
26 | HII_VENDOR_DEVICE_PATH mSecureBootHiiVendorDevicePath = {\r | |
27 | {\r | |
28 | {\r | |
29 | HARDWARE_DEVICE_PATH,\r | |
30 | HW_VENDOR_DP,\r | |
31 | {\r | |
32 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
33 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
34 | }\r | |
35 | },\r | |
36 | SECUREBOOT_CONFIG_FORM_SET_GUID\r | |
37 | },\r | |
38 | {\r | |
39 | END_DEVICE_PATH_TYPE,\r | |
40 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
bc0c99b3 | 41 | {\r |
beda2356 | 42 | (UINT8) (END_DEVICE_PATH_LENGTH),\r |
43 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
44 | }\r | |
45 | }\r | |
46 | };\r | |
47 | \r | |
ecc722ad | 48 | \r |
a365eed4 FS |
49 | BOOLEAN mIsEnterSecureBootForm = FALSE;\r |
50 | \r | |
ecc722ad | 51 | //\r |
52 | // OID ASN.1 Value for Hash Algorithms\r | |
53 | //\r | |
54 | UINT8 mHashOidValue[] = {\r | |
55 | 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, // OBJ_md5\r | |
56 | 0x2B, 0x0E, 0x03, 0x02, 0x1A, // OBJ_sha1\r | |
57 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, // OBJ_sha224\r | |
58 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, // OBJ_sha256\r | |
59 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, // OBJ_sha384\r | |
60 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, // OBJ_sha512\r | |
61 | };\r | |
62 | \r | |
63 | HASH_TABLE mHash[] = {\r | |
20333c6d QL |
64 | { L"SHA224", 28, &mHashOidValue[13], 9, NULL, NULL, NULL, NULL },\r |
65 | { L"SHA256", 32, &mHashOidValue[22], 9, Sha256GetContextSize, Sha256Init, Sha256Update, Sha256Final},\r | |
66 | { L"SHA384", 48, &mHashOidValue[31], 9, Sha384GetContextSize, Sha384Init, Sha384Update, Sha384Final},\r | |
67 | { L"SHA512", 64, &mHashOidValue[40], 9, Sha512GetContextSize, Sha512Init, Sha512Update, Sha512Final}\r | |
ecc722ad | 68 | };\r |
69 | \r | |
e4d7370d | 70 | //\r |
20333c6d QL |
71 | // Variable Definitions\r |
72 | //\r | |
ecc722ad | 73 | UINT32 mPeCoffHeaderOffset = 0;\r |
74 | WIN_CERTIFICATE *mCertificate = NULL;\r | |
75 | IMAGE_TYPE mImageType;\r | |
76 | UINT8 *mImageBase = NULL;\r | |
77 | UINTN mImageSize = 0;\r | |
78 | UINT8 mImageDigest[MAX_DIGEST_SIZE];\r | |
79 | UINTN mImageDigestSize;\r | |
80 | EFI_GUID mCertType;\r | |
81 | EFI_IMAGE_SECURITY_DATA_DIRECTORY *mSecDataDir = NULL;\r | |
82 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION mNtHeader;\r | |
83 | \r | |
e4d7370d | 84 | //\r |
85 | // Possible DER-encoded certificate file suffixes, end with NULL pointer.\r | |
86 | //\r | |
87 | CHAR16* mDerEncodedSuffix[] = {\r | |
88 | L".cer",\r | |
89 | L".der",\r | |
90 | L".crt",\r | |
91 | NULL\r | |
92 | };\r | |
93 | CHAR16* mSupportX509Suffix = L"*.cer/der/crt";\r | |
94 | \r | |
5396354b JG |
95 | //\r |
96 | // Prompt strings during certificate enrollment.\r | |
97 | //\r | |
98 | CHAR16* mX509EnrollPromptTitle[] = {\r | |
99 | L"",\r | |
100 | L"ERROR: Unsupported file type!",\r | |
101 | L"ERROR: Unsupported certificate!",\r | |
102 | NULL\r | |
103 | };\r | |
104 | CHAR16* mX509EnrollPromptString[] = {\r | |
105 | L"",\r | |
106 | L"Only DER encoded certificate file (*.cer/der/crt) is supported.",\r | |
107 | L"Public key length should be equal to or greater than 2048 bits.",\r | |
108 | NULL\r | |
109 | };\r | |
110 | \r | |
762d8ddb DB |
111 | SECUREBOOT_CONFIG_PRIVATE_DATA *gSecureBootPrivateData = NULL;\r |
112 | \r | |
4de754e1 ZC |
113 | /**\r |
114 | This code cleans up enrolled file by closing file & free related resources attached to\r | |
9d9b8b77 | 115 | enrolled file.\r |
4de754e1 | 116 | \r |
9d9b8b77 | 117 | @param[in] FileContext FileContext cached in SecureBootConfig driver\r |
4de754e1 ZC |
118 | \r |
119 | **/\r | |
4de754e1 ZC |
120 | VOID\r |
121 | CloseEnrolledFile(\r | |
122 | IN SECUREBOOT_FILE_CONTEXT *FileContext\r | |
123 | )\r | |
124 | {\r | |
125 | if (FileContext->FHandle != NULL) {\r | |
126 | CloseFile (FileContext->FHandle);\r | |
127 | FileContext->FHandle = NULL;\r | |
128 | }\r | |
129 | \r | |
130 | if (FileContext->FileName != NULL){\r | |
131 | FreePool(FileContext->FileName);\r | |
132 | FileContext->FileName = NULL;\r | |
133 | }\r | |
134 | FileContext->FileType = UNKNOWN_FILE_TYPE;\r | |
135 | \r | |
136 | }\r | |
137 | \r | |
e4d7370d | 138 | /**\r |
139 | This code checks if the FileSuffix is one of the possible DER-encoded certificate suffix.\r | |
140 | \r | |
141 | @param[in] FileSuffix The suffix of the input certificate file\r | |
142 | \r | |
143 | @retval TRUE It's a DER-encoded certificate.\r | |
144 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
145 | \r | |
146 | **/\r | |
147 | BOOLEAN\r | |
148 | IsDerEncodeCertificate (\r | |
149 | IN CONST CHAR16 *FileSuffix\r | |
150 | )\r | |
151 | {\r | |
20333c6d | 152 | UINTN Index;\r |
e4d7370d | 153 | for (Index = 0; mDerEncodedSuffix[Index] != NULL; Index++) {\r |
154 | if (StrCmp (FileSuffix, mDerEncodedSuffix[Index]) == 0) {\r | |
155 | return TRUE;\r | |
156 | }\r | |
157 | }\r | |
158 | return FALSE;\r | |
159 | }\r | |
ecc722ad | 160 | \r |
4de754e1 ZC |
161 | /**\r |
162 | This code checks if the file content complies with EFI_VARIABLE_AUTHENTICATION_2 format\r | |
163 | The function reads file content but won't open/close given FileHandle.\r | |
164 | \r | |
165 | @param[in] FileHandle The FileHandle to be checked\r | |
166 | \r | |
167 | @retval TRUE The content is EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
168 | @retval FALSE The content is NOT a EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
169 | \r | |
170 | **/\r | |
171 | BOOLEAN\r | |
172 | IsAuthentication2Format (\r | |
173 | IN EFI_FILE_HANDLE FileHandle\r | |
174 | )\r | |
175 | {\r | |
176 | EFI_STATUS Status;\r | |
177 | EFI_VARIABLE_AUTHENTICATION_2 *Auth2;\r | |
178 | BOOLEAN IsAuth2Format;\r | |
179 | \r | |
180 | IsAuth2Format = FALSE;\r | |
181 | \r | |
182 | //\r | |
183 | // Read the whole file content\r | |
184 | //\r | |
185 | Status = ReadFileContent(\r | |
186 | FileHandle,\r | |
187 | (VOID **) &mImageBase,\r | |
188 | &mImageSize,\r | |
189 | 0\r | |
190 | );\r | |
191 | if (EFI_ERROR (Status)) {\r | |
192 | goto ON_EXIT;\r | |
193 | }\r | |
194 | \r | |
195 | Auth2 = (EFI_VARIABLE_AUTHENTICATION_2 *)mImageBase;\r | |
196 | if (Auth2->AuthInfo.Hdr.wCertificateType != WIN_CERT_TYPE_EFI_GUID) {\r | |
197 | goto ON_EXIT;\r | |
198 | }\r | |
199 | \r | |
200 | if (CompareGuid(&gEfiCertPkcs7Guid, &Auth2->AuthInfo.CertType)) {\r | |
201 | IsAuth2Format = TRUE;\r | |
202 | }\r | |
203 | \r | |
204 | ON_EXIT:\r | |
205 | //\r | |
206 | // Do not close File. simply check file content\r | |
207 | //\r | |
208 | if (mImageBase != NULL) {\r | |
209 | FreePool (mImageBase);\r | |
210 | mImageBase = NULL;\r | |
211 | }\r | |
212 | \r | |
213 | return IsAuth2Format;\r | |
214 | }\r | |
215 | \r | |
ecc722ad | 216 | /**\r |
217 | Set Secure Boot option into variable space.\r | |
218 | \r | |
219 | @param[in] VarValue The option of Secure Boot.\r | |
220 | \r | |
221 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
222 | @retval Others Other errors as indicated.\r | |
223 | \r | |
224 | **/\r | |
225 | EFI_STATUS\r | |
226 | SaveSecureBootVariable (\r | |
227 | IN UINT8 VarValue\r | |
228 | )\r | |
229 | {\r | |
230 | EFI_STATUS Status;\r | |
231 | \r | |
232 | Status = gRT->SetVariable (\r | |
233 | EFI_SECURE_BOOT_ENABLE_NAME,\r | |
234 | &gEfiSecureBootEnableDisableGuid,\r | |
235 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
236 | sizeof (UINT8),\r | |
237 | &VarValue\r | |
238 | );\r | |
239 | return Status;\r | |
240 | }\r | |
241 | \r | |
5396354b JG |
242 | /**\r |
243 | This code checks if the encode type and key strength of X.509\r | |
244 | certificate is qualified.\r | |
245 | \r | |
246 | @param[in] X509FileContext FileContext of X.509 certificate storing\r | |
247 | file.\r | |
248 | @param[out] Error Error type checked in the certificate.\r | |
249 | \r | |
250 | @return EFI_SUCCESS The certificate checked successfully.\r | |
251 | @return EFI_INVALID_PARAMETER The parameter is invalid.\r | |
252 | @return EFI_OUT_OF_RESOURCES Memory allocation failed.\r | |
253 | \r | |
254 | **/\r | |
255 | EFI_STATUS\r | |
256 | CheckX509Certificate (\r | |
257 | IN SECUREBOOT_FILE_CONTEXT* X509FileContext,\r | |
258 | OUT ENROLL_KEY_ERROR* Error\r | |
259 | )\r | |
260 | {\r | |
261 | EFI_STATUS Status;\r | |
262 | UINT16* FilePostFix;\r | |
263 | UINTN NameLength;\r | |
264 | UINT8* X509Data;\r | |
265 | UINTN X509DataSize;\r | |
266 | void* X509PubKey;\r | |
267 | UINTN PubKeyModSize;\r | |
268 | \r | |
269 | if (X509FileContext->FileName == NULL) {\r | |
270 | *Error = Unsupported_Type;\r | |
271 | return EFI_INVALID_PARAMETER;\r | |
272 | }\r | |
273 | \r | |
274 | X509Data = NULL;\r | |
275 | X509DataSize = 0;\r | |
276 | X509PubKey = NULL;\r | |
277 | PubKeyModSize = 0;\r | |
278 | \r | |
279 | //\r | |
280 | // Parse the file's postfix. Only support DER encoded X.509 certificate files.\r | |
281 | //\r | |
282 | NameLength = StrLen (X509FileContext->FileName);\r | |
283 | if (NameLength <= 4) {\r | |
284 | DEBUG ((DEBUG_ERROR, "Wrong X509 NameLength\n"));\r | |
285 | *Error = Unsupported_Type;\r | |
286 | return EFI_INVALID_PARAMETER;\r | |
287 | }\r | |
288 | FilePostFix = X509FileContext->FileName + NameLength - 4;\r | |
289 | if (!IsDerEncodeCertificate (FilePostFix)) {\r | |
290 | DEBUG ((DEBUG_ERROR, "Unsupported file type, only DER encoded certificate (%s) is supported.\n", mSupportX509Suffix));\r | |
291 | *Error = Unsupported_Type;\r | |
292 | return EFI_INVALID_PARAMETER;\r | |
293 | }\r | |
294 | DEBUG ((DEBUG_INFO, "FileName= %s\n", X509FileContext->FileName));\r | |
295 | DEBUG ((DEBUG_INFO, "FilePostFix = %s\n", FilePostFix));\r | |
296 | \r | |
297 | //\r | |
298 | // Read the certificate file content\r | |
299 | //\r | |
300 | Status = ReadFileContent (X509FileContext->FHandle, (VOID**) &X509Data, &X509DataSize, 0);\r | |
301 | if (EFI_ERROR (Status)) {\r | |
302 | DEBUG ((DEBUG_ERROR, "Error occured while reading the file.\n"));\r | |
303 | goto ON_EXIT;\r | |
304 | }\r | |
305 | \r | |
306 | //\r | |
307 | // Parse the public key context.\r | |
308 | //\r | |
309 | if (RsaGetPublicKeyFromX509 (X509Data, X509DataSize, &X509PubKey) == FALSE) {\r | |
310 | DEBUG ((DEBUG_ERROR, "Error occured while parsing the pubkey from certificate.\n"));\r | |
311 | Status = EFI_INVALID_PARAMETER;\r | |
312 | *Error = Unsupported_Type;\r | |
313 | goto ON_EXIT;\r | |
314 | }\r | |
315 | \r | |
316 | //\r | |
317 | // Parse Module size of public key using interface provided by CryptoPkg, which is\r | |
318 | // actually the size of public key.\r | |
319 | //\r | |
320 | if (X509PubKey != NULL) {\r | |
321 | RsaGetKey (X509PubKey, RsaKeyN, NULL, &PubKeyModSize);\r | |
322 | if (PubKeyModSize < CER_PUBKEY_MIN_SIZE) {\r | |
323 | DEBUG ((DEBUG_ERROR, "Unqualified PK size, key size should be equal to or greater than 2048 bits.\n"));\r | |
324 | Status = EFI_INVALID_PARAMETER;\r | |
325 | *Error = Unqualified_Key;\r | |
326 | }\r | |
327 | RsaFree (X509PubKey);\r | |
328 | }\r | |
329 | \r | |
330 | ON_EXIT:\r | |
331 | if (X509Data != NULL) {\r | |
332 | FreePool (X509Data);\r | |
333 | }\r | |
334 | \r | |
335 | return Status;\r | |
336 | }\r | |
337 | \r | |
ecc722ad | 338 | /**\r |
339 | Generate the PK signature list from the X509 Certificate storing file (.cer)\r | |
340 | \r | |
341 | @param[in] X509File FileHandle of X509 Certificate storing file.\r | |
342 | @param[out] PkCert Point to the data buffer to store the signature list.\r | |
20333c6d | 343 | \r |
ecc722ad | 344 | @return EFI_UNSUPPORTED Unsupported Key Length.\r |
d6b926e7 | 345 | @return EFI_OUT_OF_RESOURCES There are not enough memory resources to form the signature list.\r |
20333c6d | 346 | \r |
ecc722ad | 347 | **/\r |
348 | EFI_STATUS\r | |
349 | CreatePkX509SignatureList (\r | |
20333c6d QL |
350 | IN EFI_FILE_HANDLE X509File,\r |
351 | OUT EFI_SIGNATURE_LIST **PkCert\r | |
ecc722ad | 352 | )\r |
353 | {\r | |
20333c6d | 354 | EFI_STATUS Status;\r |
ecc722ad | 355 | UINT8 *X509Data;\r |
356 | UINTN X509DataSize;\r | |
357 | EFI_SIGNATURE_DATA *PkCertData;\r | |
358 | \r | |
359 | X509Data = NULL;\r | |
360 | PkCertData = NULL;\r | |
20333c6d QL |
361 | X509DataSize = 0;\r |
362 | \r | |
4adc12bf | 363 | Status = ReadFileContent (X509File, (VOID**) &X509Data, &X509DataSize, 0);\r |
ecc722ad | 364 | if (EFI_ERROR (Status)) {\r |
365 | goto ON_EXIT;\r | |
366 | }\r | |
ba57d4fd | 367 | ASSERT (X509Data != NULL);\r |
ecc722ad | 368 | \r |
369 | //\r | |
370 | // Allocate space for PK certificate list and initialize it.\r | |
371 | // Create PK database entry with SignatureHeaderSize equals 0.\r | |
372 | //\r | |
373 | *PkCert = (EFI_SIGNATURE_LIST*) AllocateZeroPool (\r | |
374 | sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
375 | + X509DataSize\r | |
376 | );\r | |
377 | if (*PkCert == NULL) {\r | |
378 | Status = EFI_OUT_OF_RESOURCES;\r | |
379 | goto ON_EXIT;\r | |
380 | }\r | |
381 | \r | |
20333c6d | 382 | (*PkCert)->SignatureListSize = (UINT32) (sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 383 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
384 | + X509DataSize);\r | |
385 | (*PkCert)->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
386 | (*PkCert)->SignatureHeaderSize = 0;\r | |
387 | CopyGuid (&(*PkCert)->SignatureType, &gEfiCertX509Guid);\r | |
20333c6d | 388 | PkCertData = (EFI_SIGNATURE_DATA*) ((UINTN)(*PkCert)\r |
ecc722ad | 389 | + sizeof(EFI_SIGNATURE_LIST)\r |
390 | + (*PkCert)->SignatureHeaderSize);\r | |
20333c6d | 391 | CopyGuid (&PkCertData->SignatureOwner, &gEfiGlobalVariableGuid);\r |
ecc722ad | 392 | //\r |
393 | // Fill the PK database with PKpub data from X509 certificate file.\r | |
20333c6d | 394 | //\r |
ecc722ad | 395 | CopyMem (&(PkCertData->SignatureData[0]), X509Data, X509DataSize);\r |
20333c6d | 396 | \r |
ecc722ad | 397 | ON_EXIT:\r |
20333c6d | 398 | \r |
ecc722ad | 399 | if (X509Data != NULL) {\r |
400 | FreePool (X509Data);\r | |
401 | }\r | |
20333c6d | 402 | \r |
ecc722ad | 403 | if (EFI_ERROR(Status) && *PkCert != NULL) {\r |
404 | FreePool (*PkCert);\r | |
405 | *PkCert = NULL;\r | |
406 | }\r | |
20333c6d | 407 | \r |
ecc722ad | 408 | return Status;\r |
409 | }\r | |
410 | \r | |
411 | /**\r | |
412 | Enroll new PK into the System without original PK's authentication.\r | |
413 | \r | |
414 | The SignatureOwner GUID will be the same with PK's vendorguid.\r | |
415 | \r | |
416 | @param[in] PrivateData The module's private data.\r | |
417 | \r | |
418 | @retval EFI_SUCCESS New PK enrolled successfully.\r | |
419 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
420 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 421 | \r |
ecc722ad | 422 | **/\r |
423 | EFI_STATUS\r | |
424 | EnrollPlatformKey (\r | |
425 | IN SECUREBOOT_CONFIG_PRIVATE_DATA* Private\r | |
20333c6d | 426 | )\r |
ecc722ad | 427 | {\r |
428 | EFI_STATUS Status;\r | |
429 | UINT32 Attr;\r | |
430 | UINTN DataSize;\r | |
431 | EFI_SIGNATURE_LIST *PkCert;\r | |
ecc722ad | 432 | \r |
433 | PkCert = NULL;\r | |
434 | \r | |
f71ed839 | 435 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
436 | if (EFI_ERROR (Status)) {\r | |
437 | return Status;\r | |
438 | }\r | |
439 | \r | |
ecc722ad | 440 | //\r |
d6b926e7 | 441 | // Prase the selected PK file and generate PK certificate list.\r |
ecc722ad | 442 | //\r |
8c1babfd | 443 | Status = CreatePkX509SignatureList (\r |
20333c6d QL |
444 | Private->FileContext->FHandle,\r |
445 | &PkCert\r | |
8c1babfd | 446 | );\r |
447 | if (EFI_ERROR (Status)) {\r | |
448 | goto ON_EXIT;\r | |
ecc722ad | 449 | }\r |
ba57d4fd | 450 | ASSERT (PkCert != NULL);\r |
20333c6d | 451 | \r |
ecc722ad | 452 | //\r |
453 | // Set Platform Key variable.\r | |
20333c6d QL |
454 | //\r |
455 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 456 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
ecc722ad | 457 | DataSize = PkCert->SignatureListSize;\r |
8c1babfd | 458 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &PkCert);\r |
459 | if (EFI_ERROR (Status)) {\r | |
460 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
461 | goto ON_EXIT;\r | |
462 | }\r | |
20333c6d | 463 | \r |
ecc722ad | 464 | Status = gRT->SetVariable(\r |
20333c6d QL |
465 | EFI_PLATFORM_KEY_NAME,\r |
466 | &gEfiGlobalVariableGuid,\r | |
467 | Attr,\r | |
468 | DataSize,\r | |
ecc722ad | 469 | PkCert\r |
470 | );\r | |
471 | if (EFI_ERROR (Status)) {\r | |
472 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
473 | DEBUG ((EFI_D_ERROR, "Enroll PK failed with out of resource.\n"));\r | |
474 | }\r | |
475 | goto ON_EXIT;\r | |
476 | }\r | |
20333c6d | 477 | \r |
ecc722ad | 478 | ON_EXIT:\r |
479 | \r | |
480 | if (PkCert != NULL) {\r | |
481 | FreePool(PkCert);\r | |
482 | }\r | |
20333c6d | 483 | \r |
4de754e1 | 484 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 485 | \r |
486 | return Status;\r | |
487 | }\r | |
488 | \r | |
ecc722ad | 489 | /**\r |
490 | Enroll a new KEK item from public key storing file (*.pbk).\r | |
491 | \r | |
492 | @param[in] PrivateData The module's private data.\r | |
493 | \r | |
494 | @retval EFI_SUCCESS New KEK enrolled successfully.\r | |
495 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
496 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
497 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
498 | \r | |
499 | **/\r | |
500 | EFI_STATUS\r | |
501 | EnrollRsa2048ToKek (\r | |
502 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
503 | )\r | |
504 | {\r | |
505 | EFI_STATUS Status;\r | |
506 | UINT32 Attr;\r | |
507 | UINTN DataSize;\r | |
508 | EFI_SIGNATURE_LIST *KekSigList;\r | |
509 | UINTN KeyBlobSize;\r | |
510 | UINT8 *KeyBlob;\r | |
511 | CPL_KEY_INFO *KeyInfo;\r | |
512 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
513 | UINTN KekSigListSize;\r | |
20333c6d | 514 | UINT8 *KeyBuffer;\r |
ecc722ad | 515 | UINTN KeyLenInBytes;\r |
516 | \r | |
517 | Attr = 0;\r | |
518 | DataSize = 0;\r | |
519 | KeyBuffer = NULL;\r | |
520 | KeyBlobSize = 0;\r | |
521 | KeyBlob = NULL;\r | |
522 | KeyInfo = NULL;\r | |
523 | KEKSigData = NULL;\r | |
524 | KekSigList = NULL;\r | |
525 | KekSigListSize = 0;\r | |
20333c6d | 526 | \r |
ecc722ad | 527 | //\r |
528 | // Form the KeKpub certificate list into EFI_SIGNATURE_LIST type.\r | |
529 | // First, We have to parse out public key data from the pbk key file.\r | |
20333c6d | 530 | //\r |
ecc722ad | 531 | Status = ReadFileContent (\r |
532 | Private->FileContext->FHandle,\r | |
4adc12bf | 533 | (VOID**) &KeyBlob,\r |
ecc722ad | 534 | &KeyBlobSize,\r |
535 | 0\r | |
536 | );\r | |
537 | if (EFI_ERROR (Status)) {\r | |
538 | goto ON_EXIT;\r | |
539 | }\r | |
ba57d4fd | 540 | ASSERT (KeyBlob != NULL);\r |
ecc722ad | 541 | KeyInfo = (CPL_KEY_INFO *) KeyBlob;\r |
542 | if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {\r | |
543 | DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));\r | |
544 | Status = EFI_UNSUPPORTED;\r | |
545 | goto ON_EXIT;\r | |
546 | }\r | |
20333c6d | 547 | \r |
ecc722ad | 548 | //\r |
549 | // Convert the Public key to fix octet string format represented in RSA PKCS#1.\r | |
20333c6d | 550 | //\r |
ecc722ad | 551 | KeyLenInBytes = KeyInfo->KeyLengthInBits / 8;\r |
552 | KeyBuffer = AllocateZeroPool (KeyLenInBytes);\r | |
553 | if (KeyBuffer == NULL) {\r | |
554 | Status = EFI_OUT_OF_RESOURCES;\r | |
555 | goto ON_EXIT;\r | |
556 | }\r | |
557 | Int2OctStr (\r | |
20333c6d QL |
558 | (UINTN*) (KeyBlob + sizeof (CPL_KEY_INFO)),\r |
559 | KeyLenInBytes / sizeof (UINTN),\r | |
560 | KeyBuffer,\r | |
ecc722ad | 561 | KeyLenInBytes\r |
562 | );\r | |
563 | CopyMem(KeyBlob + sizeof(CPL_KEY_INFO), KeyBuffer, KeyLenInBytes);\r | |
20333c6d | 564 | \r |
ecc722ad | 565 | //\r |
566 | // Form an new EFI_SIGNATURE_LIST.\r | |
567 | //\r | |
568 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
569 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
570 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
571 | \r | |
572 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
573 | if (KekSigList == NULL) {\r | |
574 | Status = EFI_OUT_OF_RESOURCES;\r | |
575 | goto ON_EXIT;\r | |
576 | }\r | |
577 | \r | |
578 | KekSigList->SignatureListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
579 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
580 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
581 | KekSigList->SignatureHeaderSize = 0;\r | |
582 | KekSigList->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
583 | CopyGuid (&KekSigList->SignatureType, &gEfiCertRsa2048Guid);\r | |
20333c6d | 584 | \r |
ecc722ad | 585 | KEKSigData = (EFI_SIGNATURE_DATA*)((UINT8*)KekSigList + sizeof(EFI_SIGNATURE_LIST));\r |
586 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
587 | CopyMem (\r | |
588 | KEKSigData->SignatureData,\r | |
589 | KeyBlob + sizeof(CPL_KEY_INFO),\r | |
590 | WIN_CERT_UEFI_RSA2048_SIZE\r | |
591 | );\r | |
20333c6d | 592 | \r |
ecc722ad | 593 | //\r |
20333c6d QL |
594 | // Check if KEK entry has been already existed.\r |
595 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 596 | // new KEK to original variable.\r |
20333c6d QL |
597 | //\r |
598 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 599 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
600 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
601 | if (EFI_ERROR (Status)) {\r | |
602 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
603 | goto ON_EXIT;\r | |
604 | }\r | |
605 | \r | |
ecc722ad | 606 | Status = gRT->GetVariable(\r |
20333c6d QL |
607 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
608 | &gEfiGlobalVariableGuid,\r | |
609 | NULL,\r | |
610 | &DataSize,\r | |
ecc722ad | 611 | NULL\r |
612 | );\r | |
613 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
614 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
615 | } else if (Status != EFI_NOT_FOUND) {\r | |
616 | goto ON_EXIT;\r | |
617 | }\r | |
20333c6d | 618 | \r |
ecc722ad | 619 | //\r |
620 | // Done. Now we have formed the correct KEKpub database item, just set it into variable storage,\r | |
20333c6d | 621 | //\r |
ecc722ad | 622 | Status = gRT->SetVariable(\r |
20333c6d QL |
623 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
624 | &gEfiGlobalVariableGuid,\r | |
625 | Attr,\r | |
626 | KekSigListSize,\r | |
ecc722ad | 627 | KekSigList\r |
628 | );\r | |
629 | if (EFI_ERROR (Status)) {\r | |
630 | goto ON_EXIT;\r | |
631 | }\r | |
20333c6d | 632 | \r |
ecc722ad | 633 | ON_EXIT:\r |
634 | \r | |
4de754e1 | 635 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 636 | \r |
637 | if (Private->SignatureGUID != NULL) {\r | |
638 | FreePool (Private->SignatureGUID);\r | |
639 | Private->SignatureGUID = NULL;\r | |
640 | }\r | |
641 | \r | |
642 | if (KeyBlob != NULL) {\r | |
643 | FreePool (KeyBlob);\r | |
644 | }\r | |
645 | if (KeyBuffer != NULL) {\r | |
646 | FreePool (KeyBuffer);\r | |
647 | }\r | |
648 | if (KekSigList != NULL) {\r | |
649 | FreePool (KekSigList);\r | |
650 | }\r | |
20333c6d | 651 | \r |
ecc722ad | 652 | return Status;\r |
653 | }\r | |
654 | \r | |
655 | /**\r | |
656 | Enroll a new KEK item from X509 certificate file.\r | |
657 | \r | |
658 | @param[in] PrivateData The module's private data.\r | |
659 | \r | |
660 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
661 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
662 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
663 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
664 | \r | |
665 | **/\r | |
666 | EFI_STATUS\r | |
667 | EnrollX509ToKek (\r | |
668 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
20333c6d | 669 | )\r |
ecc722ad | 670 | {\r |
671 | EFI_STATUS Status;\r | |
672 | UINTN X509DataSize;\r | |
673 | VOID *X509Data;\r | |
674 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
675 | EFI_SIGNATURE_LIST *KekSigList;\r | |
676 | UINTN DataSize;\r | |
677 | UINTN KekSigListSize;\r | |
678 | UINT32 Attr;\r | |
679 | \r | |
680 | X509Data = NULL;\r | |
681 | X509DataSize = 0;\r | |
682 | KekSigList = NULL;\r | |
683 | KekSigListSize = 0;\r | |
684 | DataSize = 0;\r | |
685 | KEKSigData = NULL;\r | |
686 | \r | |
687 | Status = ReadFileContent (\r | |
688 | Private->FileContext->FHandle,\r | |
689 | &X509Data,\r | |
690 | &X509DataSize,\r | |
691 | 0\r | |
692 | );\r | |
693 | if (EFI_ERROR (Status)) {\r | |
694 | goto ON_EXIT;\r | |
695 | }\r | |
ba57d4fd | 696 | ASSERT (X509Data != NULL);\r |
ecc722ad | 697 | \r |
698 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
699 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
700 | if (KekSigList == NULL) {\r | |
701 | Status = EFI_OUT_OF_RESOURCES;\r | |
702 | goto ON_EXIT;\r | |
703 | }\r | |
704 | \r | |
705 | //\r | |
706 | // Fill Certificate Database parameters.\r | |
20333c6d | 707 | //\r |
ecc722ad | 708 | KekSigList->SignatureListSize = (UINT32) KekSigListSize;\r |
709 | KekSigList->SignatureHeaderSize = 0;\r | |
710 | KekSigList->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
711 | CopyGuid (&KekSigList->SignatureType, &gEfiCertX509Guid);\r | |
712 | \r | |
713 | KEKSigData = (EFI_SIGNATURE_DATA*) ((UINT8*) KekSigList + sizeof (EFI_SIGNATURE_LIST));\r | |
714 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
715 | CopyMem (KEKSigData->SignatureData, X509Data, X509DataSize);\r | |
716 | \r | |
717 | //\r | |
20333c6d QL |
718 | // Check if KEK been already existed.\r |
719 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 720 | // new kek to original variable\r |
20333c6d QL |
721 | //\r |
722 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 723 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
724 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
725 | if (EFI_ERROR (Status)) {\r | |
726 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
727 | goto ON_EXIT;\r | |
728 | }\r | |
20333c6d | 729 | \r |
ecc722ad | 730 | Status = gRT->GetVariable(\r |
20333c6d QL |
731 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
732 | &gEfiGlobalVariableGuid,\r | |
733 | NULL,\r | |
734 | &DataSize,\r | |
ecc722ad | 735 | NULL\r |
736 | );\r | |
737 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
738 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
739 | } else if (Status != EFI_NOT_FOUND) {\r | |
740 | goto ON_EXIT;\r | |
20333c6d | 741 | }\r |
ecc722ad | 742 | \r |
743 | Status = gRT->SetVariable(\r | |
20333c6d QL |
744 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
745 | &gEfiGlobalVariableGuid,\r | |
746 | Attr,\r | |
ecc722ad | 747 | KekSigListSize,\r |
748 | KekSigList\r | |
749 | );\r | |
750 | if (EFI_ERROR (Status)) {\r | |
751 | goto ON_EXIT;\r | |
752 | }\r | |
753 | \r | |
754 | ON_EXIT:\r | |
20333c6d | 755 | \r |
4de754e1 | 756 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d QL |
757 | \r |
758 | if (Private->SignatureGUID != NULL) {\r | |
759 | FreePool (Private->SignatureGUID);\r | |
760 | Private->SignatureGUID = NULL;\r | |
761 | }\r | |
762 | \r | |
763 | if (KekSigList != NULL) {\r | |
764 | FreePool (KekSigList);\r | |
765 | }\r | |
766 | \r | |
767 | return Status;\r | |
768 | }\r | |
769 | \r | |
770 | /**\r | |
771 | Enroll new KEK into the System without PK's authentication.\r | |
772 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
773 | \r | |
774 | @param[in] PrivateData The module's private data.\r | |
775 | \r | |
776 | @retval EFI_SUCCESS New KEK enrolled successful.\r | |
777 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
778 | @retval others Fail to enroll KEK data.\r | |
779 | \r | |
780 | **/\r | |
781 | EFI_STATUS\r | |
782 | EnrollKeyExchangeKey (\r | |
783 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
784 | )\r | |
785 | {\r | |
786 | UINT16* FilePostFix;\r | |
787 | EFI_STATUS Status;\r | |
788 | UINTN NameLength;\r | |
789 | \r | |
4de754e1 | 790 | if ((Private->FileContext->FHandle == NULL) || (Private->FileContext->FileName == NULL) || (Private->SignatureGUID == NULL)) {\r |
20333c6d QL |
791 | return EFI_INVALID_PARAMETER;\r |
792 | }\r | |
793 | \r | |
794 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
795 | if (EFI_ERROR (Status)) {\r | |
796 | return Status;\r | |
797 | }\r | |
798 | \r | |
799 | //\r | |
800 | // Parse the file's postfix. Supports DER-encoded X509 certificate,\r | |
801 | // and .pbk as RSA public key file.\r | |
802 | //\r | |
803 | NameLength = StrLen (Private->FileContext->FileName);\r | |
804 | if (NameLength <= 4) {\r | |
805 | return EFI_INVALID_PARAMETER;\r | |
806 | }\r | |
807 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
808 | if (IsDerEncodeCertificate(FilePostFix)) {\r | |
809 | return EnrollX509ToKek (Private);\r | |
810 | } else if (CompareMem (FilePostFix, L".pbk",4) == 0) {\r | |
811 | return EnrollRsa2048ToKek (Private);\r | |
812 | } else {\r | |
4de754e1 ZC |
813 | //\r |
814 | // File type is wrong, simply close it\r | |
815 | //\r | |
816 | CloseEnrolledFile(Private->FileContext);\r | |
817 | \r | |
20333c6d QL |
818 | return EFI_INVALID_PARAMETER;\r |
819 | }\r | |
820 | }\r | |
821 | \r | |
822 | /**\r | |
823 | Enroll a new X509 certificate into Signature Database (DB or DBX or DBT) without\r | |
824 | KEK's authentication.\r | |
825 | \r | |
826 | @param[in] PrivateData The module's private data.\r | |
827 | @param[in] VariableName Variable name of signature database, must be\r | |
828 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
829 | \r | |
830 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
831 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
832 | \r | |
833 | **/\r | |
834 | EFI_STATUS\r | |
835 | EnrollX509toSigDB (\r | |
836 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
837 | IN CHAR16 *VariableName\r | |
838 | )\r | |
839 | {\r | |
840 | EFI_STATUS Status;\r | |
841 | UINTN X509DataSize;\r | |
842 | VOID *X509Data;\r | |
843 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
844 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
845 | VOID *Data;\r | |
846 | UINTN DataSize;\r | |
847 | UINTN SigDBSize;\r | |
848 | UINT32 Attr;\r | |
849 | \r | |
850 | X509DataSize = 0;\r | |
851 | SigDBSize = 0;\r | |
852 | DataSize = 0;\r | |
853 | X509Data = NULL;\r | |
854 | SigDBCert = NULL;\r | |
855 | SigDBCertData = NULL;\r | |
856 | Data = NULL;\r | |
857 | \r | |
858 | Status = ReadFileContent (\r | |
859 | Private->FileContext->FHandle,\r | |
860 | &X509Data,\r | |
861 | &X509DataSize,\r | |
862 | 0\r | |
863 | );\r | |
864 | if (EFI_ERROR (Status)) {\r | |
865 | goto ON_EXIT;\r | |
866 | }\r | |
867 | ASSERT (X509Data != NULL);\r | |
868 | \r | |
869 | SigDBSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
870 | \r | |
871 | Data = AllocateZeroPool (SigDBSize);\r | |
872 | if (Data == NULL) {\r | |
873 | Status = EFI_OUT_OF_RESOURCES;\r | |
874 | goto ON_EXIT;\r | |
875 | }\r | |
876 | \r | |
877 | //\r | |
878 | // Fill Certificate Database parameters.\r | |
879 | //\r | |
880 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r | |
881 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
882 | SigDBCert->SignatureHeaderSize = 0;\r | |
883 | SigDBCert->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
884 | CopyGuid (&SigDBCert->SignatureType, &gEfiCertX509Guid);\r | |
885 | \r | |
886 | SigDBCertData = (EFI_SIGNATURE_DATA*) ((UINT8* ) SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r | |
887 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
888 | CopyMem ((UINT8* ) (SigDBCertData->SignatureData), X509Data, X509DataSize);\r | |
889 | \r | |
890 | //\r | |
891 | // Check if signature database entry has been already existed.\r | |
892 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
893 | // new signature data to original variable\r | |
894 | //\r | |
895 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
896 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
897 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
898 | if (EFI_ERROR (Status)) {\r | |
899 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
900 | goto ON_EXIT;\r | |
901 | }\r | |
902 | \r | |
903 | Status = gRT->GetVariable(\r | |
904 | VariableName,\r | |
905 | &gEfiImageSecurityDatabaseGuid,\r | |
906 | NULL,\r | |
907 | &DataSize,\r | |
908 | NULL\r | |
909 | );\r | |
910 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
911 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
912 | } else if (Status != EFI_NOT_FOUND) {\r | |
913 | goto ON_EXIT;\r | |
914 | }\r | |
915 | \r | |
916 | Status = gRT->SetVariable(\r | |
917 | VariableName,\r | |
918 | &gEfiImageSecurityDatabaseGuid,\r | |
919 | Attr,\r | |
920 | SigDBSize,\r | |
921 | Data\r | |
922 | );\r | |
923 | if (EFI_ERROR (Status)) {\r | |
924 | goto ON_EXIT;\r | |
925 | }\r | |
926 | \r | |
927 | ON_EXIT:\r | |
928 | \r | |
4de754e1 | 929 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d QL |
930 | \r |
931 | if (Private->SignatureGUID != NULL) {\r | |
932 | FreePool (Private->SignatureGUID);\r | |
933 | Private->SignatureGUID = NULL;\r | |
934 | }\r | |
935 | \r | |
936 | if (Data != NULL) {\r | |
937 | FreePool (Data);\r | |
938 | }\r | |
939 | \r | |
940 | if (X509Data != NULL) {\r | |
941 | FreePool (X509Data);\r | |
942 | }\r | |
943 | \r | |
944 | return Status;\r | |
945 | }\r | |
946 | \r | |
947 | /**\r | |
948 | Check whether signature is in specified database.\r | |
949 | \r | |
950 | @param[in] VariableName Name of database variable that is searched in.\r | |
951 | @param[in] Signature Pointer to signature that is searched for.\r | |
952 | @param[in] SignatureSize Size of Signature.\r | |
953 | \r | |
954 | @return TRUE Found the signature in the variable database.\r | |
955 | @return FALSE Not found the signature in the variable database.\r | |
956 | \r | |
957 | **/\r | |
958 | BOOLEAN\r | |
959 | IsSignatureFoundInDatabase (\r | |
960 | IN CHAR16 *VariableName,\r | |
961 | IN UINT8 *Signature,\r | |
962 | IN UINTN SignatureSize\r | |
963 | )\r | |
964 | {\r | |
965 | EFI_STATUS Status;\r | |
966 | EFI_SIGNATURE_LIST *CertList;\r | |
967 | EFI_SIGNATURE_DATA *Cert;\r | |
968 | UINTN DataSize;\r | |
969 | UINT8 *Data;\r | |
970 | UINTN Index;\r | |
971 | UINTN CertCount;\r | |
972 | BOOLEAN IsFound;\r | |
973 | \r | |
974 | //\r | |
975 | // Read signature database variable.\r | |
976 | //\r | |
977 | IsFound = FALSE;\r | |
978 | Data = NULL;\r | |
979 | DataSize = 0;\r | |
980 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
981 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
982 | return FALSE;\r | |
983 | }\r | |
984 | \r | |
985 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
986 | if (Data == NULL) {\r | |
987 | return FALSE;\r | |
988 | }\r | |
989 | \r | |
990 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
991 | if (EFI_ERROR (Status)) {\r | |
992 | goto Done;\r | |
993 | }\r | |
994 | \r | |
995 | //\r | |
d6b926e7 | 996 | // Enumerate all signature data in SigDB to check if signature exists for executable.\r |
20333c6d QL |
997 | //\r |
998 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
999 | while ((DataSize > 0) && (DataSize >= CertList->SignatureListSize)) {\r | |
1000 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
1001 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
1002 | if ((CertList->SignatureSize == sizeof(EFI_SIGNATURE_DATA) - 1 + SignatureSize) && (CompareGuid(&CertList->SignatureType, &gEfiCertX509Guid))) {\r | |
1003 | for (Index = 0; Index < CertCount; Index++) {\r | |
1004 | if (CompareMem (Cert->SignatureData, Signature, SignatureSize) == 0) {\r | |
1005 | //\r | |
1006 | // Find the signature in database.\r | |
1007 | //\r | |
1008 | IsFound = TRUE;\r | |
1009 | break;\r | |
1010 | }\r | |
1011 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
1012 | }\r | |
1013 | \r | |
1014 | if (IsFound) {\r | |
1015 | break;\r | |
1016 | }\r | |
1017 | }\r | |
1018 | \r | |
1019 | DataSize -= CertList->SignatureListSize;\r | |
1020 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
1021 | }\r | |
1022 | \r | |
1023 | Done:\r | |
1024 | if (Data != NULL) {\r | |
1025 | FreePool (Data);\r | |
1026 | }\r | |
1027 | \r | |
1028 | return IsFound;\r | |
1029 | }\r | |
1030 | \r | |
1031 | /**\r | |
1032 | Calculate the hash of a certificate data with the specified hash algorithm.\r | |
1033 | \r | |
1034 | @param[in] CertData The certificate data to be hashed.\r | |
1035 | @param[in] CertSize The certificate size in bytes.\r | |
1036 | @param[in] HashAlg The specified hash algorithm.\r | |
1037 | @param[out] CertHash The output digest of the certificate\r | |
1038 | \r | |
1039 | @retval TRUE Successfully got the hash of the CertData.\r | |
1040 | @retval FALSE Failed to get the hash of CertData.\r | |
1041 | \r | |
1042 | **/\r | |
1043 | BOOLEAN\r | |
1044 | CalculateCertHash (\r | |
1045 | IN UINT8 *CertData,\r | |
1046 | IN UINTN CertSize,\r | |
1047 | IN UINT32 HashAlg,\r | |
1048 | OUT UINT8 *CertHash\r | |
1049 | )\r | |
1050 | {\r | |
1051 | BOOLEAN Status;\r | |
1052 | VOID *HashCtx;\r | |
1053 | UINTN CtxSize;\r | |
12d95665 LQ |
1054 | UINT8 *TBSCert;\r |
1055 | UINTN TBSCertSize;\r | |
20333c6d QL |
1056 | \r |
1057 | HashCtx = NULL;\r | |
1058 | Status = FALSE;\r | |
1059 | \r | |
1060 | if (HashAlg >= HASHALG_MAX) {\r | |
1061 | return FALSE;\r | |
1062 | }\r | |
1063 | \r | |
12d95665 LQ |
1064 | //\r |
1065 | // Retrieve the TBSCertificate for Hash Calculation.\r | |
1066 | //\r | |
1067 | if (!X509GetTBSCert (CertData, CertSize, &TBSCert, &TBSCertSize)) {\r | |
1068 | return FALSE;\r | |
1069 | }\r | |
1070 | \r | |
20333c6d QL |
1071 | //\r |
1072 | // 1. Initialize context of hash.\r | |
1073 | //\r | |
1074 | CtxSize = mHash[HashAlg].GetContextSize ();\r | |
1075 | HashCtx = AllocatePool (CtxSize);\r | |
1076 | ASSERT (HashCtx != NULL);\r | |
1077 | \r | |
1078 | //\r | |
1079 | // 2. Initialize a hash context.\r | |
1080 | //\r | |
1081 | Status = mHash[HashAlg].HashInit (HashCtx);\r | |
1082 | if (!Status) {\r | |
1083 | goto Done;\r | |
1084 | }\r | |
1085 | \r | |
1086 | //\r | |
1087 | // 3. Calculate the hash.\r | |
1088 | //\r | |
12d95665 | 1089 | Status = mHash[HashAlg].HashUpdate (HashCtx, TBSCert, TBSCertSize);\r |
20333c6d QL |
1090 | if (!Status) {\r |
1091 | goto Done;\r | |
1092 | }\r | |
1093 | \r | |
1094 | //\r | |
1095 | // 4. Get the hash result.\r | |
1096 | //\r | |
1097 | ZeroMem (CertHash, mHash[HashAlg].DigestLength);\r | |
1098 | Status = mHash[HashAlg].HashFinal (HashCtx, CertHash);\r | |
1099 | \r | |
1100 | Done:\r | |
1101 | if (HashCtx != NULL) {\r | |
1102 | FreePool (HashCtx);\r | |
1103 | }\r | |
1104 | \r | |
1105 | return Status;\r | |
1106 | }\r | |
1107 | \r | |
1108 | /**\r | |
1109 | Check whether the hash of an X.509 certificate is in forbidden database (DBX).\r | |
1110 | \r | |
1111 | @param[in] Certificate Pointer to X.509 Certificate that is searched for.\r | |
1112 | @param[in] CertSize Size of X.509 Certificate.\r | |
1113 | \r | |
1114 | @return TRUE Found the certificate hash in the forbidden database.\r | |
1115 | @return FALSE Certificate hash is Not found in the forbidden database.\r | |
1116 | \r | |
1117 | **/\r | |
1118 | BOOLEAN\r | |
1119 | IsCertHashFoundInDbx (\r | |
1120 | IN UINT8 *Certificate,\r | |
1121 | IN UINTN CertSize\r | |
1122 | )\r | |
1123 | {\r | |
1124 | BOOLEAN IsFound;\r | |
1125 | EFI_STATUS Status;\r | |
1126 | EFI_SIGNATURE_LIST *DbxList;\r | |
1127 | EFI_SIGNATURE_DATA *CertHash;\r | |
1128 | UINTN CertHashCount;\r | |
1129 | UINTN Index;\r | |
1130 | UINT32 HashAlg;\r | |
1131 | UINT8 CertDigest[MAX_DIGEST_SIZE];\r | |
1132 | UINT8 *DbxCertHash;\r | |
1133 | UINTN SiglistHeaderSize;\r | |
1134 | UINT8 *Data;\r | |
1135 | UINTN DataSize;\r | |
1136 | \r | |
1137 | IsFound = FALSE;\r | |
1138 | HashAlg = HASHALG_MAX;\r | |
1139 | Data = NULL;\r | |
1140 | \r | |
1141 | //\r | |
1142 | // Read signature database variable.\r | |
1143 | //\r | |
1144 | DataSize = 0;\r | |
1145 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1146 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1147 | return FALSE;\r | |
1148 | }\r | |
1149 | \r | |
1150 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1151 | if (Data == NULL) {\r | |
1152 | return FALSE;\r | |
1153 | }\r | |
1154 | \r | |
1155 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1156 | if (EFI_ERROR (Status)) {\r | |
1157 | goto Done;\r | |
1158 | }\r | |
1159 | \r | |
1160 | //\r | |
1161 | // Check whether the certificate hash exists in the forbidden database.\r | |
1162 | //\r | |
1163 | DbxList = (EFI_SIGNATURE_LIST *) Data;\r | |
1164 | while ((DataSize > 0) && (DataSize >= DbxList->SignatureListSize)) {\r | |
1165 | //\r | |
1166 | // Determine Hash Algorithm of Certificate in the forbidden database.\r | |
1167 | //\r | |
1168 | if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
1169 | HashAlg = HASHALG_SHA256;\r | |
1170 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
1171 | HashAlg = HASHALG_SHA384;\r | |
1172 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
1173 | HashAlg = HASHALG_SHA512;\r | |
1174 | } else {\r | |
1175 | DataSize -= DbxList->SignatureListSize;\r | |
1176 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1177 | continue;\r | |
1178 | }\r | |
1179 | \r | |
1180 | //\r | |
1181 | // Calculate the hash value of current db certificate for comparision.\r | |
1182 | //\r | |
1183 | if (!CalculateCertHash (Certificate, CertSize, HashAlg, CertDigest)) {\r | |
1184 | goto Done;\r | |
1185 | }\r | |
1186 | \r | |
1187 | SiglistHeaderSize = sizeof (EFI_SIGNATURE_LIST) + DbxList->SignatureHeaderSize;\r | |
1188 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) DbxList + SiglistHeaderSize);\r | |
1189 | CertHashCount = (DbxList->SignatureListSize - SiglistHeaderSize) / DbxList->SignatureSize;\r | |
1190 | for (Index = 0; Index < CertHashCount; Index++) {\r | |
1191 | //\r | |
1192 | // Iterate each Signature Data Node within this CertList for verify.\r | |
1193 | //\r | |
1194 | DbxCertHash = CertHash->SignatureData;\r | |
1195 | if (CompareMem (DbxCertHash, CertDigest, mHash[HashAlg].DigestLength) == 0) {\r | |
1196 | //\r | |
1197 | // Hash of Certificate is found in forbidden database.\r | |
1198 | //\r | |
1199 | IsFound = TRUE;\r | |
1200 | goto Done;\r | |
1201 | }\r | |
1202 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertHash + DbxList->SignatureSize);\r | |
1203 | }\r | |
1204 | \r | |
1205 | DataSize -= DbxList->SignatureListSize;\r | |
1206 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1207 | }\r | |
1208 | \r | |
1209 | Done:\r | |
1210 | if (Data != NULL) {\r | |
1211 | FreePool (Data);\r | |
1212 | }\r | |
1213 | \r | |
1214 | return IsFound;\r | |
1215 | }\r | |
1216 | \r | |
1217 | /**\r | |
1218 | Check whether the signature list exists in given variable data.\r | |
1219 | \r | |
d6b926e7 | 1220 | It searches the signature list for the certificate hash by CertType.\r |
20333c6d QL |
1221 | If the signature list is found, get the offset of Database for the\r |
1222 | next hash of a certificate.\r | |
1223 | \r | |
1224 | @param[in] Database Variable data to save signature list.\r | |
1225 | @param[in] DatabaseSize Variable size.\r | |
1226 | @param[in] SignatureType The type of the signature.\r | |
1227 | @param[out] Offset The offset to save a new hash of certificate.\r | |
1228 | \r | |
1229 | @return TRUE The signature list is found in the forbidden database.\r | |
1230 | @return FALSE The signature list is not found in the forbidden database.\r | |
1231 | **/\r | |
1232 | BOOLEAN\r | |
1233 | GetSignaturelistOffset (\r | |
1234 | IN EFI_SIGNATURE_LIST *Database,\r | |
1235 | IN UINTN DatabaseSize,\r | |
1236 | IN EFI_GUID *SignatureType,\r | |
1237 | OUT UINTN *Offset\r | |
1238 | )\r | |
1239 | {\r | |
1240 | EFI_SIGNATURE_LIST *SigList;\r | |
1241 | UINTN SiglistSize;\r | |
1242 | \r | |
1243 | if ((Database == NULL) || (DatabaseSize == 0)) {\r | |
1244 | *Offset = 0;\r | |
1245 | return FALSE;\r | |
1246 | }\r | |
1247 | \r | |
1248 | SigList = Database;\r | |
1249 | SiglistSize = DatabaseSize;\r | |
1250 | while ((SiglistSize > 0) && (SiglistSize >= SigList->SignatureListSize)) {\r | |
1251 | if (CompareGuid (&SigList->SignatureType, SignatureType)) {\r | |
1252 | *Offset = DatabaseSize - SiglistSize;\r | |
1253 | return TRUE;\r | |
1254 | }\r | |
1255 | SiglistSize -= SigList->SignatureListSize;\r | |
1256 | SigList = (EFI_SIGNATURE_LIST *) ((UINT8 *) SigList + SigList->SignatureListSize);\r | |
1257 | }\r | |
1258 | *Offset = 0;\r | |
1259 | return FALSE;\r | |
1260 | }\r | |
1261 | \r | |
1262 | /**\r | |
1263 | Enroll a new X509 certificate hash into Signature Database (dbx) without\r | |
1264 | KEK's authentication.\r | |
1265 | \r | |
1266 | @param[in] PrivateData The module's private data.\r | |
1267 | @param[in] HashAlg The hash algorithm to enroll the certificate.\r | |
1268 | @param[in] RevocationDate The revocation date of the certificate.\r | |
1269 | @param[in] RevocationTime The revocation time of the certificate.\r | |
1270 | @param[in] AlwaysRevocation Indicate whether the certificate is always revoked.\r | |
1271 | \r | |
1272 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
1273 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1274 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1275 | \r | |
1276 | **/\r | |
1277 | EFI_STATUS\r | |
1278 | EnrollX509HashtoSigDB (\r | |
1279 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
1280 | IN UINT32 HashAlg,\r | |
1281 | IN EFI_HII_DATE *RevocationDate,\r | |
1282 | IN EFI_HII_TIME *RevocationTime,\r | |
1283 | IN BOOLEAN AlwaysRevocation\r | |
1284 | )\r | |
1285 | {\r | |
1286 | EFI_STATUS Status;\r | |
1287 | UINTN X509DataSize;\r | |
1288 | VOID *X509Data;\r | |
1289 | EFI_SIGNATURE_LIST *SignatureList;\r | |
1290 | UINTN SignatureListSize;\r | |
1291 | UINT8 *Data;\r | |
1292 | UINT8 *NewData;\r | |
1293 | UINTN DataSize;\r | |
1294 | UINTN DbSize;\r | |
1295 | UINT32 Attr;\r | |
1296 | EFI_SIGNATURE_DATA *SignatureData;\r | |
1297 | UINTN SignatureSize;\r | |
1298 | EFI_GUID SignatureType;\r | |
1299 | UINTN Offset;\r | |
1300 | UINT8 CertHash[MAX_DIGEST_SIZE];\r | |
1301 | UINT16* FilePostFix;\r | |
1302 | UINTN NameLength;\r | |
1303 | EFI_TIME *Time;\r | |
1304 | \r | |
1305 | X509DataSize = 0;\r | |
1306 | DbSize = 0;\r | |
1307 | X509Data = NULL;\r | |
1308 | SignatureData = NULL;\r | |
1309 | SignatureList = NULL;\r | |
1310 | Data = NULL;\r | |
1311 | NewData = NULL;\r | |
1312 | \r | |
1313 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
1314 | return EFI_INVALID_PARAMETER;\r | |
1315 | }\r | |
1316 | \r | |
1317 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
1318 | if (EFI_ERROR (Status)) {\r | |
1319 | return Status;\r | |
1320 | }\r | |
1321 | \r | |
1322 | //\r | |
1323 | // Parse the file's postfix.\r | |
1324 | //\r | |
1325 | NameLength = StrLen (Private->FileContext->FileName);\r | |
1326 | if (NameLength <= 4) {\r | |
1327 | return EFI_INVALID_PARAMETER;\r | |
1328 | }\r | |
1329 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
1330 | if (!IsDerEncodeCertificate(FilePostFix)) {\r | |
1331 | //\r | |
1332 | // Only supports DER-encoded X509 certificate.\r | |
1333 | //\r | |
1334 | return EFI_INVALID_PARAMETER;\r | |
1335 | }\r | |
1336 | \r | |
1337 | //\r | |
1338 | // Get the certificate from file and calculate its hash.\r | |
1339 | //\r | |
1340 | Status = ReadFileContent (\r | |
1341 | Private->FileContext->FHandle,\r | |
1342 | &X509Data,\r | |
1343 | &X509DataSize,\r | |
1344 | 0\r | |
1345 | );\r | |
1346 | if (EFI_ERROR (Status)) {\r | |
1347 | goto ON_EXIT;\r | |
1348 | }\r | |
1349 | ASSERT (X509Data != NULL);\r | |
1350 | \r | |
1351 | if (!CalculateCertHash (X509Data, X509DataSize, HashAlg, CertHash)) {\r | |
1352 | goto ON_EXIT;\r | |
1353 | }\r | |
1354 | \r | |
1355 | //\r | |
1356 | // Get the variable for enrollment.\r | |
1357 | //\r | |
1358 | DataSize = 0;\r | |
1359 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1360 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1361 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1362 | if (Data == NULL) {\r | |
1363 | return EFI_OUT_OF_RESOURCES;\r | |
1364 | }\r | |
1365 | \r | |
1366 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1367 | if (EFI_ERROR (Status)) {\r | |
1368 | goto ON_EXIT;\r | |
1369 | }\r | |
1370 | }\r | |
1371 | \r | |
1372 | //\r | |
1373 | // Allocate memory for Signature and fill the Signature\r | |
1374 | //\r | |
1375 | SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + sizeof (EFI_TIME) + mHash[HashAlg].DigestLength;\r | |
1376 | SignatureData = (EFI_SIGNATURE_DATA *) AllocateZeroPool (SignatureSize);\r | |
1377 | if (SignatureData == NULL) {\r | |
1378 | return EFI_OUT_OF_RESOURCES;\r | |
1379 | }\r | |
1380 | CopyGuid (&SignatureData->SignatureOwner, Private->SignatureGUID);\r | |
1381 | CopyMem (SignatureData->SignatureData, CertHash, mHash[HashAlg].DigestLength);\r | |
1382 | \r | |
1383 | //\r | |
1384 | // Fill the time.\r | |
1385 | //\r | |
1386 | if (!AlwaysRevocation) {\r | |
1387 | Time = (EFI_TIME *)(&SignatureData->SignatureData + mHash[HashAlg].DigestLength);\r | |
1388 | Time->Year = RevocationDate->Year;\r | |
1389 | Time->Month = RevocationDate->Month;\r | |
1390 | Time->Day = RevocationDate->Day;\r | |
1391 | Time->Hour = RevocationTime->Hour;\r | |
1392 | Time->Minute = RevocationTime->Minute;\r | |
1393 | Time->Second = RevocationTime->Second;\r | |
1394 | }\r | |
1395 | \r | |
1396 | //\r | |
1397 | // Determine the GUID for certificate hash.\r | |
1398 | //\r | |
1399 | switch (HashAlg) {\r | |
1400 | case HASHALG_SHA256:\r | |
1401 | SignatureType = gEfiCertX509Sha256Guid;\r | |
1402 | break;\r | |
1403 | case HASHALG_SHA384:\r | |
1404 | SignatureType = gEfiCertX509Sha384Guid;\r | |
1405 | break;\r | |
1406 | case HASHALG_SHA512:\r | |
1407 | SignatureType = gEfiCertX509Sha512Guid;\r | |
1408 | break;\r | |
1409 | default:\r | |
1410 | return FALSE;\r | |
1411 | }\r | |
1412 | \r | |
1413 | //\r | |
1414 | // Add signature into the new variable data buffer\r | |
1415 | //\r | |
1416 | if (GetSignaturelistOffset((EFI_SIGNATURE_LIST *)Data, DataSize, &SignatureType, &Offset)) {\r | |
1417 | //\r | |
1418 | // Add the signature to the found signaturelist.\r | |
1419 | //\r | |
1420 | DbSize = DataSize + SignatureSize;\r | |
1421 | NewData = AllocateZeroPool (DbSize);\r | |
1422 | if (NewData == NULL) {\r | |
1423 | Status = EFI_OUT_OF_RESOURCES;\r | |
1424 | goto ON_EXIT;\r | |
1425 | }\r | |
1426 | \r | |
1427 | SignatureList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
1428 | SignatureListSize = (UINTN) ReadUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize);\r | |
1429 | CopyMem (NewData, Data, Offset + SignatureListSize);\r | |
1430 | \r | |
1431 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + Offset);\r | |
1432 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32)(SignatureListSize + SignatureSize));\r | |
1433 | \r | |
1434 | Offset += SignatureListSize;\r | |
1435 | CopyMem (NewData + Offset, SignatureData, SignatureSize);\r | |
1436 | CopyMem (NewData + Offset + SignatureSize, Data + Offset, DataSize - Offset);\r | |
1437 | \r | |
1438 | FreePool (Data);\r | |
1439 | Data = NewData;\r | |
1440 | DataSize = DbSize;\r | |
1441 | } else {\r | |
1442 | //\r | |
1443 | // Create a new signaturelist, and add the signature into the signaturelist.\r | |
1444 | //\r | |
1445 | DbSize = DataSize + sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1446 | NewData = AllocateZeroPool (DbSize);\r | |
1447 | if (NewData == NULL) {\r | |
1448 | Status = EFI_OUT_OF_RESOURCES;\r | |
1449 | goto ON_EXIT;\r | |
1450 | }\r | |
1451 | //\r | |
1452 | // Fill Certificate Database parameters.\r | |
1453 | //\r | |
1454 | SignatureList = (EFI_SIGNATURE_LIST*) (NewData + DataSize);\r | |
1455 | SignatureListSize = sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1456 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32) SignatureListSize);\r | |
1457 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureSize, (UINT32) SignatureSize);\r | |
1458 | CopyGuid (&SignatureList->SignatureType, &SignatureType);\r | |
1459 | CopyMem ((UINT8* ) SignatureList + sizeof (EFI_SIGNATURE_LIST), SignatureData, SignatureSize);\r | |
1460 | if ((DataSize != 0) && (Data != NULL)) {\r | |
1461 | CopyMem (NewData, Data, DataSize);\r | |
1462 | FreePool (Data);\r | |
1463 | }\r | |
1464 | Data = NewData;\r | |
1465 | DataSize = DbSize;\r | |
1466 | }\r | |
1467 | \r | |
1468 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &Data);\r | |
1469 | if (EFI_ERROR (Status)) {\r | |
1470 | goto ON_EXIT;\r | |
1471 | }\r | |
1472 | \r | |
1473 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
1474 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
1475 | Status = gRT->SetVariable(\r | |
1476 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
1477 | &gEfiImageSecurityDatabaseGuid,\r | |
1478 | Attr,\r | |
1479 | DataSize,\r | |
1480 | Data\r | |
1481 | );\r | |
1482 | if (EFI_ERROR (Status)) {\r | |
1483 | goto ON_EXIT;\r | |
1484 | }\r | |
1485 | \r | |
1486 | ON_EXIT:\r | |
762d8ddb | 1487 | \r |
4de754e1 | 1488 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 1489 | \r |
1490 | if (Private->SignatureGUID != NULL) {\r | |
1491 | FreePool (Private->SignatureGUID);\r | |
1492 | Private->SignatureGUID = NULL;\r | |
1493 | }\r | |
1494 | \r | |
20333c6d QL |
1495 | if (Data != NULL) {\r |
1496 | FreePool (Data);\r | |
ecc722ad | 1497 | }\r |
1498 | \r | |
20333c6d QL |
1499 | if (SignatureData != NULL) {\r |
1500 | FreePool (SignatureData);\r | |
ecc722ad | 1501 | }\r |
1502 | \r | |
20333c6d QL |
1503 | if (X509Data != NULL) {\r |
1504 | FreePool (X509Data);\r | |
f71ed839 | 1505 | }\r |
1506 | \r | |
20333c6d | 1507 | return Status;\r |
ecc722ad | 1508 | }\r |
1509 | \r | |
1510 | /**\r | |
20333c6d | 1511 | Check whether a certificate from a file exists in dbx.\r |
ecc722ad | 1512 | \r |
1513 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
1514 | @param[in] VariableName Variable name of signature database, must be\r |
1515 | EFI_IMAGE_SECURITY_DATABASE1.\r | |
ecc722ad | 1516 | \r |
20333c6d QL |
1517 | @retval TRUE The X509 certificate is found in dbx successfully.\r |
1518 | @retval FALSE The X509 certificate is not found in dbx.\r | |
ecc722ad | 1519 | **/\r |
20333c6d QL |
1520 | BOOLEAN\r |
1521 | IsX509CertInDbx (\r | |
ecc722ad | 1522 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1523 | IN CHAR16 *VariableName\r | |
20333c6d | 1524 | )\r |
ecc722ad | 1525 | {\r |
20333c6d QL |
1526 | EFI_STATUS Status;\r |
1527 | UINTN X509DataSize;\r | |
1528 | VOID *X509Data;\r | |
1529 | BOOLEAN IsFound;\r | |
ecc722ad | 1530 | \r |
20333c6d QL |
1531 | //\r |
1532 | // Read the certificate from file\r | |
1533 | //\r | |
ecc722ad | 1534 | X509DataSize = 0;\r |
ecc722ad | 1535 | X509Data = NULL;\r |
ecc722ad | 1536 | Status = ReadFileContent (\r |
1537 | Private->FileContext->FHandle,\r | |
1538 | &X509Data,\r | |
1539 | &X509DataSize,\r | |
1540 | 0\r | |
1541 | );\r | |
1542 | if (EFI_ERROR (Status)) {\r | |
20333c6d | 1543 | return FALSE;\r |
ecc722ad | 1544 | }\r |
1545 | \r | |
1546 | //\r | |
20333c6d | 1547 | // Check the raw certificate.\r |
ecc722ad | 1548 | //\r |
20333c6d QL |
1549 | IsFound = FALSE;\r |
1550 | if (IsSignatureFoundInDatabase (EFI_IMAGE_SECURITY_DATABASE1, X509Data, X509DataSize)) {\r | |
1551 | IsFound = TRUE;\r | |
8c1babfd | 1552 | goto ON_EXIT;\r |
1553 | }\r | |
ecc722ad | 1554 | \r |
20333c6d QL |
1555 | //\r |
1556 | // Check the hash of certificate.\r | |
1557 | //\r | |
1558 | if (IsCertHashFoundInDbx (X509Data, X509DataSize)) {\r | |
1559 | IsFound = TRUE;\r | |
ecc722ad | 1560 | goto ON_EXIT;\r |
1561 | }\r | |
1562 | \r | |
1563 | ON_EXIT:\r | |
ecc722ad | 1564 | if (X509Data != NULL) {\r |
1565 | FreePool (X509Data);\r | |
1566 | }\r | |
1567 | \r | |
20333c6d | 1568 | return IsFound;\r |
ecc722ad | 1569 | }\r |
1570 | \r | |
5e9dfc67 LG |
1571 | /**\r |
1572 | Reads contents of a PE/COFF image in memory buffer.\r | |
1573 | \r | |
1574 | Caution: This function may receive untrusted input.\r | |
1575 | PE/COFF image is external input, so this function will make sure the PE/COFF image content\r | |
1576 | read is within the image buffer.\r | |
1577 | \r | |
1578 | @param FileHandle Pointer to the file handle to read the PE/COFF image.\r | |
1579 | @param FileOffset Offset into the PE/COFF image to begin the read operation.\r | |
1580 | @param ReadSize On input, the size in bytes of the requested read operation.\r | |
1581 | On output, the number of bytes actually read.\r | |
1582 | @param Buffer Output buffer that contains the data read from the PE/COFF image.\r | |
1583 | \r | |
1584 | @retval EFI_SUCCESS The specified portion of the PE/COFF image was read and the size\r | |
1585 | **/\r | |
1586 | EFI_STATUS\r | |
1587 | EFIAPI\r | |
1588 | SecureBootConfigImageRead (\r | |
1589 | IN VOID *FileHandle,\r | |
1590 | IN UINTN FileOffset,\r | |
1591 | IN OUT UINTN *ReadSize,\r | |
1592 | OUT VOID *Buffer\r | |
1593 | )\r | |
1594 | {\r | |
1595 | UINTN EndPosition;\r | |
1596 | \r | |
1597 | if (FileHandle == NULL || ReadSize == NULL || Buffer == NULL) {\r | |
1598 | return EFI_INVALID_PARAMETER;\r | |
1599 | }\r | |
1600 | \r | |
1601 | if (MAX_ADDRESS - FileOffset < *ReadSize) {\r | |
1602 | return EFI_INVALID_PARAMETER;\r | |
1603 | }\r | |
1604 | \r | |
1605 | EndPosition = FileOffset + *ReadSize;\r | |
1606 | if (EndPosition > mImageSize) {\r | |
1607 | *ReadSize = (UINT32)(mImageSize - FileOffset);\r | |
1608 | }\r | |
1609 | \r | |
1610 | if (FileOffset >= mImageSize) {\r | |
1611 | *ReadSize = 0;\r | |
1612 | }\r | |
1613 | \r | |
1614 | CopyMem (Buffer, (UINT8 *)((UINTN) FileHandle + FileOffset), *ReadSize);\r | |
1615 | \r | |
1616 | return EFI_SUCCESS;\r | |
1617 | }\r | |
1618 | \r | |
ecc722ad | 1619 | /**\r |
1620 | Load PE/COFF image information into internal buffer and check its validity.\r | |
1621 | \r | |
1622 | @retval EFI_SUCCESS Successful\r | |
1623 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
1624 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
1625 | \r | |
1626 | **/\r | |
1627 | EFI_STATUS\r | |
1628 | LoadPeImage (\r | |
20333c6d QL |
1629 | VOID\r |
1630 | )\r | |
ecc722ad | 1631 | {\r |
1632 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
1633 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
1634 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
5e9dfc67 LG |
1635 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r |
1636 | EFI_STATUS Status;\r | |
ecc722ad | 1637 | \r |
1638 | NtHeader32 = NULL;\r | |
1639 | NtHeader64 = NULL;\r | |
5e9dfc67 LG |
1640 | \r |
1641 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
1642 | ImageContext.Handle = (VOID *) mImageBase;\r | |
1643 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE) SecureBootConfigImageRead;\r | |
1644 | \r | |
1645 | //\r | |
1646 | // Get information about the image being loaded\r | |
1647 | //\r | |
1648 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r | |
1649 | if (EFI_ERROR (Status)) {\r | |
1650 | //\r | |
1651 | // The information can't be got from the invalid PeImage\r | |
1652 | //\r | |
1653 | DEBUG ((DEBUG_INFO, "SecureBootConfigDxe: PeImage invalid. \n"));\r | |
1654 | return Status;\r | |
1655 | }\r | |
1656 | \r | |
ecc722ad | 1657 | //\r |
1658 | // Read the Dos header\r | |
1659 | //\r | |
1660 | DosHdr = (EFI_IMAGE_DOS_HEADER*)(mImageBase);\r | |
1661 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE)\r | |
1662 | {\r | |
1663 | //\r | |
20333c6d | 1664 | // DOS image header is present,\r |
ecc722ad | 1665 | // So read the PE header after the DOS image header\r |
1666 | //\r | |
1667 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
1668 | }\r | |
1669 | else\r | |
1670 | {\r | |
1671 | mPeCoffHeaderOffset = 0;\r | |
1672 | }\r | |
1673 | \r | |
1674 | //\r | |
1675 | // Read PE header and check the signature validity and machine compatibility\r | |
1676 | //\r | |
1677 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32*) (mImageBase + mPeCoffHeaderOffset);\r | |
1678 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE)\r | |
1679 | {\r | |
1680 | return EFI_UNSUPPORTED;\r | |
1681 | }\r | |
1682 | \r | |
1683 | mNtHeader.Pe32 = NtHeader32;\r | |
1684 | \r | |
1685 | //\r | |
1686 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1687 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1688 | //\r | |
20333c6d | 1689 | if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32)\r |
a16170a1 AB |
1690 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)\r |
1691 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)) {\r | |
ecc722ad | 1692 | //\r |
a16170a1 | 1693 | // 32-bits Architecture\r |
ecc722ad | 1694 | //\r |
1695 | mImageType = ImageType_IA32;\r | |
1696 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1697 | }\r | |
1698 | else if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
a16170a1 AB |
1699 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)\r |
1700 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_AARCH64)) {\r | |
ecc722ad | 1701 | //\r |
1702 | // 64-bits Architecture\r | |
1703 | //\r | |
1704 | mImageType = ImageType_X64;\r | |
1705 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *) (mImageBase + mPeCoffHeaderOffset);\r | |
1706 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1707 | } else {\r | |
1708 | return EFI_UNSUPPORTED;\r | |
1709 | }\r | |
1710 | \r | |
1711 | return EFI_SUCCESS;\r | |
1712 | }\r | |
1713 | \r | |
1714 | /**\r | |
1715 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1716 | PE/COFF Specification 8.0 Appendix A\r | |
1717 | \r | |
b3548d32 | 1718 | Notes: PE/COFF image has been checked by BasePeCoffLib PeCoffLoaderGetImageInfo() in\r |
5e9dfc67 LG |
1719 | the function LoadPeImage ().\r |
1720 | \r | |
ecc722ad | 1721 | @param[in] HashAlg Hash algorithm type.\r |
20333c6d | 1722 | \r |
ecc722ad | 1723 | @retval TRUE Successfully hash image.\r |
1724 | @retval FALSE Fail in hash image.\r | |
1725 | \r | |
1726 | **/\r | |
20333c6d | 1727 | BOOLEAN\r |
ecc722ad | 1728 | HashPeImage (\r |
1729 | IN UINT32 HashAlg\r | |
1730 | )\r | |
1731 | {\r | |
1732 | BOOLEAN Status;\r | |
ecc722ad | 1733 | EFI_IMAGE_SECTION_HEADER *Section;\r |
1734 | VOID *HashCtx;\r | |
1735 | UINTN CtxSize;\r | |
1736 | UINT8 *HashBase;\r | |
1737 | UINTN HashSize;\r | |
1738 | UINTN SumOfBytesHashed;\r | |
1739 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1740 | UINTN Index;\r | |
1741 | UINTN Pos;\r | |
1742 | \r | |
1743 | HashCtx = NULL;\r | |
1744 | SectionHeader = NULL;\r | |
1745 | Status = FALSE;\r | |
1746 | \r | |
c035e373 | 1747 | if (HashAlg != HASHALG_SHA256) {\r |
ecc722ad | 1748 | return FALSE;\r |
1749 | }\r | |
20333c6d | 1750 | \r |
ecc722ad | 1751 | //\r |
1752 | // Initialize context of hash.\r | |
1753 | //\r | |
1754 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1755 | \r | |
c035e373 ZL |
1756 | mImageDigestSize = SHA256_DIGEST_SIZE;\r |
1757 | mCertType = gEfiCertSha256Guid;\r | |
ecc722ad | 1758 | \r |
1759 | CtxSize = mHash[HashAlg].GetContextSize();\r | |
20333c6d | 1760 | \r |
ecc722ad | 1761 | HashCtx = AllocatePool (CtxSize);\r |
1762 | ASSERT (HashCtx != NULL);\r | |
1763 | \r | |
1764 | // 1. Load the image header into memory.\r | |
1765 | \r | |
1766 | // 2. Initialize a SHA hash context.\r | |
1767 | Status = mHash[HashAlg].HashInit(HashCtx);\r | |
1768 | if (!Status) {\r | |
1769 | goto Done;\r | |
1770 | }\r | |
1771 | //\r | |
1772 | // Measuring PE/COFF Image Header;\r | |
1773 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1774 | //\r | |
20333c6d | 1775 | \r |
ecc722ad | 1776 | //\r |
1777 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1778 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1779 | //\r | |
1780 | HashBase = mImageBase;\r | |
f199664c | 1781 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1782 | //\r |
1783 | // Use PE32 offset.\r | |
1784 | //\r | |
4333b99d | 1785 | HashSize = (UINTN) (&mNtHeader.Pe32->OptionalHeader.CheckSum) - (UINTN) HashBase;\r |
ecc722ad | 1786 | } else {\r |
1787 | //\r | |
1788 | // Use PE32+ offset.\r | |
1789 | //\r | |
4333b99d | 1790 | HashSize = (UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - (UINTN) HashBase;\r |
ecc722ad | 1791 | }\r |
1792 | \r | |
1793 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1794 | if (!Status) {\r | |
1795 | goto Done;\r | |
1796 | }\r | |
1797 | //\r | |
1798 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1799 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1800 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1801 | //\r | |
f199664c | 1802 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1803 | //\r |
1804 | // Use PE32 offset.\r | |
1805 | //\r | |
1806 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r | |
4333b99d | 1807 | HashSize = (UINTN) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN) HashBase;\r |
ecc722ad | 1808 | } else {\r |
1809 | //\r | |
1810 | // Use PE32+ offset.\r | |
20333c6d | 1811 | //\r |
ecc722ad | 1812 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r |
4333b99d | 1813 | HashSize = (UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN) HashBase;\r |
ecc722ad | 1814 | }\r |
1815 | \r | |
1816 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1817 | if (!Status) {\r | |
1818 | goto Done;\r | |
1819 | }\r | |
1820 | //\r | |
1821 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
1822 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
1823 | //\r | |
f199664c | 1824 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1825 | //\r |
1826 | // Use PE32 offset\r | |
1827 | //\r | |
1828 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
4333b99d | 1829 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - ((UINTN) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN) mImageBase);\r |
ecc722ad | 1830 | } else {\r |
1831 | //\r | |
1832 | // Use PE32+ offset.\r | |
1833 | //\r | |
1834 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
4333b99d | 1835 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - ((UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN) mImageBase);\r |
ecc722ad | 1836 | }\r |
1837 | \r | |
1838 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1839 | if (!Status) {\r | |
1840 | goto Done;\r | |
1841 | }\r | |
1842 | //\r | |
1843 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
1844 | //\r | |
f199664c | 1845 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1846 | //\r |
1847 | // Use PE32 offset.\r | |
1848 | //\r | |
1849 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
1850 | } else {\r | |
1851 | //\r | |
1852 | // Use PE32+ offset\r | |
1853 | //\r | |
1854 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
1855 | }\r | |
1856 | \r | |
1857 | //\r | |
1858 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
1859 | // structures in the image. The 'NumberOfSections' field of the image\r | |
1860 | // header indicates how big the table should be. Do not include any\r | |
1861 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
1862 | //\r | |
1863 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *) AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r | |
1864 | ASSERT (SectionHeader != NULL);\r | |
1865 | //\r | |
1866 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
1867 | // a key, arrange the elements in the table in ascending order. In other\r | |
1868 | // words, sort the section headers according to the disk-file offset of\r | |
1869 | // the section.\r | |
1870 | //\r | |
1871 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1872 | mImageBase +\r | |
1873 | mPeCoffHeaderOffset +\r | |
1874 | sizeof (UINT32) +\r | |
1875 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
1876 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1877 | );\r | |
1878 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1879 | Pos = Index;\r | |
1880 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
1881 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1882 | Pos--;\r | |
1883 | }\r | |
1884 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1885 | Section += 1;\r | |
1886 | }\r | |
1887 | \r | |
1888 | //\r | |
1889 | // 13. Walk through the sorted table, bring the corresponding section\r | |
1890 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
1891 | // field in the section header to determine the amount of data to hash).\r | |
1892 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
1893 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
1894 | //\r | |
1895 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1896 | Section = &SectionHeader[Index];\r | |
1897 | if (Section->SizeOfRawData == 0) {\r | |
1898 | continue;\r | |
1899 | }\r | |
1900 | HashBase = mImageBase + Section->PointerToRawData;\r | |
1901 | HashSize = (UINTN) Section->SizeOfRawData;\r | |
1902 | \r | |
1903 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1904 | if (!Status) {\r | |
1905 | goto Done;\r | |
1906 | }\r | |
1907 | \r | |
1908 | SumOfBytesHashed += HashSize;\r | |
1909 | }\r | |
1910 | \r | |
1911 | //\r | |
1912 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
1913 | // data in the file that needs to be added to the hash. This data begins\r | |
1914 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
1915 | // FileSize - (CertDirectory->Size)\r | |
1916 | //\r | |
1917 | if (mImageSize > SumOfBytesHashed) {\r | |
1918 | HashBase = mImageBase + SumOfBytesHashed;\r | |
f199664c | 1919 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1920 | //\r |
1921 | // Use PE32 offset.\r | |
1922 | //\r | |
1923 | HashSize = (UINTN)(\r | |
1924 | mImageSize -\r | |
1925 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
1926 | SumOfBytesHashed);\r | |
1927 | } else {\r | |
1928 | //\r | |
1929 | // Use PE32+ offset.\r | |
1930 | //\r | |
1931 | HashSize = (UINTN)(\r | |
1932 | mImageSize -\r | |
1933 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
20333c6d | 1934 | SumOfBytesHashed);\r |
ecc722ad | 1935 | }\r |
1936 | \r | |
1937 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1938 | if (!Status) {\r | |
1939 | goto Done;\r | |
1940 | }\r | |
1941 | }\r | |
1942 | \r | |
1943 | Status = mHash[HashAlg].HashFinal(HashCtx, mImageDigest);\r | |
1944 | \r | |
1945 | Done:\r | |
1946 | if (HashCtx != NULL) {\r | |
1947 | FreePool (HashCtx);\r | |
1948 | }\r | |
1949 | if (SectionHeader != NULL) {\r | |
1950 | FreePool (SectionHeader);\r | |
1951 | }\r | |
1952 | return Status;\r | |
1953 | }\r | |
1954 | \r | |
1955 | /**\r | |
69f8bb52 | 1956 | Recognize the Hash algorithm in PE/COFF Authenticode and calculate hash of\r |
20333c6d | 1957 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification\r |
ecc722ad | 1958 | 8.0 Appendix A\r |
1959 | \r | |
1960 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
1961 | @retval EFI_SUCCESS Hash successfully.\r | |
1962 | \r | |
1963 | **/\r | |
20333c6d | 1964 | EFI_STATUS\r |
ecc722ad | 1965 | HashPeImageByType (\r |
1966 | VOID\r | |
1967 | )\r | |
1968 | {\r | |
1969 | UINT8 Index;\r | |
1970 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
1971 | \r | |
1972 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *) (mImageBase + mSecDataDir->Offset);\r | |
1973 | \r | |
20333c6d | 1974 | for (Index = 0; Index < HASHALG_MAX; Index++) {\r |
ecc722ad | 1975 | //\r |
1976 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
20333c6d | 1977 | // According to PKCS#7 Definition:\r |
ecc722ad | 1978 | // SignedData ::= SEQUENCE {\r |
1979 | // version Version,\r | |
1980 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
1981 | // contentInfo ContentInfo,\r | |
1982 | // .... }\r | |
1983 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
1984 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
1985 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
1986 | //\r | |
1987 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r | |
1988 | //\r | |
1989 | // Only support two bytes of Long Form of Length Encoding.\r | |
1990 | //\r | |
1991 | continue;\r | |
1992 | }\r | |
1993 | \r | |
20333c6d | 1994 | //\r |
ecc722ad | 1995 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r |
1996 | break;\r | |
1997 | }\r | |
1998 | }\r | |
1999 | \r | |
2000 | if (Index == HASHALG_MAX) {\r | |
2001 | return EFI_UNSUPPORTED;\r | |
2002 | }\r | |
2003 | \r | |
2004 | //\r | |
2005 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
2006 | //\r | |
2007 | if (!HashPeImage(Index)) {\r | |
2008 | return EFI_UNSUPPORTED;\r | |
2009 | }\r | |
2010 | \r | |
2011 | return EFI_SUCCESS;\r | |
2012 | }\r | |
2013 | \r | |
4de754e1 | 2014 | /**\r |
d6b926e7 | 2015 | Enroll a new signature of executable into Signature Database.\r |
4de754e1 ZC |
2016 | \r |
2017 | @param[in] PrivateData The module's private data.\r | |
2018 | @param[in] VariableName Variable name of signature database, must be\r | |
2019 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2020 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
2021 | \r | |
2022 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2023 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2024 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2025 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2026 | \r | |
2027 | **/\r | |
2028 | EFI_STATUS\r | |
2029 | EnrollAuthentication2Descriptor (\r | |
2030 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2031 | IN CHAR16 *VariableName\r | |
2032 | )\r | |
2033 | {\r | |
2034 | EFI_STATUS Status;\r | |
2035 | VOID *Data;\r | |
2036 | UINTN DataSize;\r | |
2037 | UINT32 Attr;\r | |
2038 | \r | |
2039 | Data = NULL;\r | |
2040 | \r | |
2041 | //\r | |
2042 | // DBT only support DER-X509 Cert Enrollment\r | |
2043 | //\r | |
2044 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r | |
2045 | return EFI_UNSUPPORTED;\r | |
2046 | }\r | |
2047 | \r | |
2048 | //\r | |
2049 | // Read the whole file content\r | |
2050 | //\r | |
2051 | Status = ReadFileContent(\r | |
2052 | Private->FileContext->FHandle,\r | |
2053 | (VOID **) &mImageBase,\r | |
2054 | &mImageSize,\r | |
2055 | 0\r | |
2056 | );\r | |
2057 | if (EFI_ERROR (Status)) {\r | |
2058 | goto ON_EXIT;\r | |
2059 | }\r | |
2060 | ASSERT (mImageBase != NULL);\r | |
2061 | \r | |
2062 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
2063 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
2064 | \r | |
2065 | //\r | |
2066 | // Check if SigDB variable has been already existed.\r | |
2067 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
2068 | // new signature data to original variable\r | |
2069 | //\r | |
2070 | DataSize = 0;\r | |
2071 | Status = gRT->GetVariable(\r | |
2072 | VariableName,\r | |
2073 | &gEfiImageSecurityDatabaseGuid,\r | |
2074 | NULL,\r | |
2075 | &DataSize,\r | |
2076 | NULL\r | |
2077 | );\r | |
2078 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2079 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2080 | } else if (Status != EFI_NOT_FOUND) {\r | |
2081 | goto ON_EXIT;\r | |
2082 | }\r | |
2083 | \r | |
2084 | //\r | |
d6b926e7 | 2085 | // Directly set AUTHENTICATION_2 data to SetVariable\r |
4de754e1 ZC |
2086 | //\r |
2087 | Status = gRT->SetVariable(\r | |
2088 | VariableName,\r | |
2089 | &gEfiImageSecurityDatabaseGuid,\r | |
2090 | Attr,\r | |
2091 | mImageSize,\r | |
2092 | mImageBase\r | |
2093 | );\r | |
2094 | \r | |
2095 | DEBUG((DEBUG_INFO, "Enroll AUTH_2 data to Var:%s Status: %x\n", VariableName, Status));\r | |
2096 | \r | |
2097 | ON_EXIT:\r | |
2098 | \r | |
2099 | CloseEnrolledFile(Private->FileContext);\r | |
2100 | \r | |
2101 | if (Data != NULL) {\r | |
2102 | FreePool (Data);\r | |
2103 | }\r | |
2104 | \r | |
2105 | if (mImageBase != NULL) {\r | |
2106 | FreePool (mImageBase);\r | |
2107 | mImageBase = NULL;\r | |
2108 | }\r | |
2109 | \r | |
2110 | return Status;\r | |
2111 | \r | |
2112 | }\r | |
2113 | \r | |
2114 | \r | |
ecc722ad | 2115 | /**\r |
d6b926e7 | 2116 | Enroll a new signature of executable into Signature Database.\r |
ecc722ad | 2117 | \r |
2118 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
2119 | @param[in] VariableName Variable name of signature database, must be\r |
2120 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2121 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
ecc722ad | 2122 | \r |
2123 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2124 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2125 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2126 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2127 | \r | |
2128 | **/\r | |
2129 | EFI_STATUS\r | |
2130 | EnrollImageSignatureToSigDB (\r | |
2131 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2132 | IN CHAR16 *VariableName\r | |
2133 | )\r | |
2134 | {\r | |
2135 | EFI_STATUS Status;\r | |
2136 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
2137 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
2138 | VOID *Data;\r | |
2139 | UINTN DataSize;\r | |
2140 | UINTN SigDBSize;\r | |
2141 | UINT32 Attr;\r | |
2142 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
2143 | \r | |
2144 | Data = NULL;\r | |
2145 | GuidCertData = NULL;\r | |
ecc722ad | 2146 | \r |
20333c6d QL |
2147 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r |
2148 | return EFI_UNSUPPORTED;\r | |
2149 | }\r | |
2150 | \r | |
ecc722ad | 2151 | //\r |
2152 | // Form the SigDB certificate list.\r | |
2153 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
2154 | //\r | |
d6b926e7 | 2155 | // We need to parse signature data of executable from specified signed executable file.\r |
ecc722ad | 2156 | // In current implementation, we simply trust the pass-in signed executable file.\r |
2157 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
2158 | //\r | |
2159 | \r | |
2160 | //\r | |
2161 | // Read the whole file content\r | |
2162 | //\r | |
2163 | Status = ReadFileContent(\r | |
2164 | Private->FileContext->FHandle,\r | |
20333c6d QL |
2165 | (VOID **) &mImageBase,\r |
2166 | &mImageSize,\r | |
ecc722ad | 2167 | 0\r |
2168 | );\r | |
2169 | if (EFI_ERROR (Status)) {\r | |
2170 | goto ON_EXIT;\r | |
20333c6d | 2171 | }\r |
ba57d4fd | 2172 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 2173 | \r |
2174 | Status = LoadPeImage ();\r | |
2175 | if (EFI_ERROR (Status)) {\r | |
2176 | goto ON_EXIT;\r | |
2177 | }\r | |
2178 | \r | |
2179 | if (mSecDataDir->SizeOfCert == 0) {\r | |
2180 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2181 | Status = EFI_SECURITY_VIOLATION;\r | |
2182 | goto ON_EXIT;\r | |
2183 | }\r | |
2184 | } else {\r | |
20333c6d | 2185 | \r |
ecc722ad | 2186 | //\r |
2187 | // Read the certificate data\r | |
2188 | //\r | |
2189 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
2190 | \r | |
2191 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
2192 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID*) mCertificate;\r | |
2193 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof(EFI_GUID)) != 0) {\r | |
2194 | Status = EFI_ABORTED;\r | |
2195 | goto ON_EXIT;\r | |
2196 | }\r | |
2197 | \r | |
2198 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2199 | Status = EFI_ABORTED;\r | |
2200 | goto ON_EXIT;;\r | |
2201 | }\r | |
20333c6d | 2202 | \r |
ecc722ad | 2203 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r |
2204 | \r | |
2205 | Status = HashPeImageByType ();\r | |
2206 | if (EFI_ERROR (Status)) {\r | |
2207 | goto ON_EXIT;;\r | |
2208 | }\r | |
2209 | } else {\r | |
2210 | Status = EFI_ABORTED;\r | |
2211 | goto ON_EXIT;\r | |
2212 | }\r | |
2213 | }\r | |
2214 | \r | |
2215 | //\r | |
2216 | // Create a new SigDB entry.\r | |
2217 | //\r | |
20333c6d | 2218 | SigDBSize = sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 2219 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
2220 | + (UINT32) mImageDigestSize;\r | |
2221 | \r | |
2222 | Data = (UINT8*) AllocateZeroPool (SigDBSize);\r | |
2223 | if (Data == NULL) {\r | |
2224 | Status = EFI_OUT_OF_RESOURCES;\r | |
2225 | goto ON_EXIT;\r | |
2226 | }\r | |
20333c6d | 2227 | \r |
ecc722ad | 2228 | //\r |
2229 | // Adjust the Certificate Database parameters.\r | |
20333c6d | 2230 | //\r |
ecc722ad | 2231 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r |
2232 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
2233 | SigDBCert->SignatureHeaderSize = 0;\r | |
2234 | SigDBCert->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + (UINT32) mImageDigestSize;\r | |
2235 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r | |
2236 | \r | |
2237 | SigDBCertData = (EFI_SIGNATURE_DATA*)((UINT8*)SigDBCert + sizeof(EFI_SIGNATURE_LIST));\r | |
2238 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
2239 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
2240 | \r | |
20333c6d | 2241 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r |
8c1babfd | 2242 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
2243 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
2244 | if (EFI_ERROR (Status)) {\r | |
2245 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2246 | goto ON_EXIT;\r | |
2247 | }\r | |
20333c6d | 2248 | \r |
ecc722ad | 2249 | //\r |
20333c6d QL |
2250 | // Check if SigDB variable has been already existed.\r |
2251 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 2252 | // new signature data to original variable\r |
20333c6d | 2253 | //\r |
ecc722ad | 2254 | DataSize = 0;\r |
2255 | Status = gRT->GetVariable(\r | |
20333c6d QL |
2256 | VariableName,\r |
2257 | &gEfiImageSecurityDatabaseGuid,\r | |
2258 | NULL,\r | |
2259 | &DataSize,\r | |
ecc722ad | 2260 | NULL\r |
2261 | );\r | |
2262 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2263 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2264 | } else if (Status != EFI_NOT_FOUND) {\r | |
2265 | goto ON_EXIT;\r | |
20333c6d | 2266 | }\r |
ecc722ad | 2267 | \r |
2268 | //\r | |
2269 | // Enroll the variable.\r | |
2270 | //\r | |
2271 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2272 | VariableName,\r |
2273 | &gEfiImageSecurityDatabaseGuid,\r | |
2274 | Attr,\r | |
2275 | SigDBSize,\r | |
ecc722ad | 2276 | Data\r |
2277 | );\r | |
2278 | if (EFI_ERROR (Status)) {\r | |
2279 | goto ON_EXIT;\r | |
2280 | }\r | |
2281 | \r | |
2282 | ON_EXIT:\r | |
2283 | \r | |
4de754e1 | 2284 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 2285 | \r |
2286 | if (Private->SignatureGUID != NULL) {\r | |
2287 | FreePool (Private->SignatureGUID);\r | |
2288 | Private->SignatureGUID = NULL;\r | |
2289 | }\r | |
2290 | \r | |
2291 | if (Data != NULL) {\r | |
2292 | FreePool (Data);\r | |
2293 | }\r | |
2294 | \r | |
2295 | if (mImageBase != NULL) {\r | |
2296 | FreePool (mImageBase);\r | |
2297 | mImageBase = NULL;\r | |
2298 | }\r | |
2299 | \r | |
2300 | return Status;\r | |
2301 | }\r | |
2302 | \r | |
2303 | /**\r | |
20333c6d | 2304 | Enroll signature into DB/DBX/DBT without KEK's authentication.\r |
ecc722ad | 2305 | The SignatureOwner GUID will be Private->SignatureGUID.\r |
20333c6d | 2306 | \r |
ecc722ad | 2307 | @param[in] PrivateData The module's private data.\r |
20333c6d | 2308 | @param[in] VariableName Variable name of signature database, must be\r |
ecc722ad | 2309 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r |
20333c6d | 2310 | \r |
ecc722ad | 2311 | @retval EFI_SUCCESS New signature enrolled successfully.\r |
2312 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2313 | @retval others Fail to enroll signature data.\r | |
20333c6d | 2314 | \r |
ecc722ad | 2315 | **/\r |
2316 | EFI_STATUS\r | |
2317 | EnrollSignatureDatabase (\r | |
2318 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2319 | IN CHAR16 *VariableName\r | |
20333c6d | 2320 | )\r |
ecc722ad | 2321 | {\r |
2322 | UINT16* FilePostFix;\r | |
f71ed839 | 2323 | EFI_STATUS Status;\r |
fd64f84f | 2324 | UINTN NameLength;\r |
ecc722ad | 2325 | \r |
2326 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
2327 | return EFI_INVALID_PARAMETER;\r | |
2328 | }\r | |
2329 | \r | |
20333c6d | 2330 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 2331 | if (EFI_ERROR (Status)) {\r |
2332 | return Status;\r | |
2333 | }\r | |
20333c6d | 2334 | \r |
ecc722ad | 2335 | //\r |
20333c6d | 2336 | // Parse the file's postfix.\r |
ecc722ad | 2337 | //\r |
fd64f84f GCPL |
2338 | NameLength = StrLen (Private->FileContext->FileName);\r |
2339 | if (NameLength <= 4) {\r | |
2340 | return EFI_INVALID_PARAMETER;\r | |
2341 | }\r | |
2342 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
20333c6d | 2343 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
ecc722ad | 2344 | //\r |
e4d7370d | 2345 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 2346 | //\r |
2347 | return EnrollX509toSigDB (Private, VariableName);\r | |
4de754e1 ZC |
2348 | } else if (IsAuthentication2Format(Private->FileContext->FHandle)){\r |
2349 | return EnrollAuthentication2Descriptor(Private, VariableName);\r | |
2350 | } else {\r | |
2351 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
ecc722ad | 2352 | }\r |
ecc722ad | 2353 | }\r |
2354 | \r | |
2355 | /**\r | |
20333c6d | 2356 | List all signatures in specified signature database (e.g. KEK/DB/DBX/DBT)\r |
ecc722ad | 2357 | by GUID in the page for user to select and delete as needed.\r |
2358 | \r | |
2359 | @param[in] PrivateData Module's private data.\r | |
2360 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2361 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2362 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2363 | @param[in] FormId Form ID of current page.\r | |
2364 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2365 | \r | |
2366 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2367 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
20333c6d | 2368 | \r |
ecc722ad | 2369 | **/\r |
2370 | EFI_STATUS\r | |
2371 | UpdateDeletePage (\r | |
2372 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2373 | IN CHAR16 *VariableName,\r | |
2374 | IN EFI_GUID *VendorGuid,\r | |
2375 | IN UINT16 LabelNumber,\r | |
2376 | IN EFI_FORM_ID FormId,\r | |
2377 | IN EFI_QUESTION_ID QuestionIdBase\r | |
2378 | )\r | |
2379 | {\r | |
2380 | EFI_STATUS Status;\r | |
2381 | UINT32 Index;\r | |
2382 | UINTN CertCount;\r | |
2383 | UINTN GuidIndex;\r | |
2384 | VOID *StartOpCodeHandle;\r | |
2385 | VOID *EndOpCodeHandle;\r | |
2386 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
20333c6d | 2387 | EFI_IFR_GUID_LABEL *EndLabel;\r |
ecc722ad | 2388 | UINTN DataSize;\r |
2389 | UINT8 *Data;\r | |
2390 | EFI_SIGNATURE_LIST *CertList;\r | |
2391 | EFI_SIGNATURE_DATA *Cert;\r | |
2392 | UINT32 ItemDataSize;\r | |
2393 | CHAR16 *GuidStr;\r | |
2394 | EFI_STRING_ID GuidID;\r | |
2395 | EFI_STRING_ID Help;\r | |
2396 | \r | |
2397 | Data = NULL;\r | |
2398 | CertList = NULL;\r | |
2399 | Cert = NULL;\r | |
2400 | GuidStr = NULL;\r | |
2401 | StartOpCodeHandle = NULL;\r | |
2402 | EndOpCodeHandle = NULL;\r | |
20333c6d | 2403 | \r |
ecc722ad | 2404 | //\r |
2405 | // Initialize the container for dynamic opcodes.\r | |
2406 | //\r | |
2407 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2408 | if (StartOpCodeHandle == NULL) {\r | |
2409 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2410 | goto ON_EXIT;\r |
ecc722ad | 2411 | }\r |
2412 | \r | |
2413 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2414 | if (EndOpCodeHandle == NULL) {\r | |
2415 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2416 | goto ON_EXIT;\r |
ecc722ad | 2417 | }\r |
2418 | \r | |
2419 | //\r | |
2420 | // Create Hii Extend Label OpCode.\r | |
2421 | //\r | |
2422 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2423 | StartOpCodeHandle,\r | |
2424 | &gEfiIfrTianoGuid,\r | |
2425 | NULL,\r | |
2426 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2427 | );\r | |
2428 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2429 | StartLabel->Number = LabelNumber;\r | |
2430 | \r | |
2431 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2432 | EndOpCodeHandle,\r | |
2433 | &gEfiIfrTianoGuid,\r | |
2434 | NULL,\r | |
2435 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2436 | );\r | |
2437 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2438 | EndLabel->Number = LABEL_END;\r | |
2439 | \r | |
2440 | //\r | |
2441 | // Read Variable.\r | |
2442 | //\r | |
2443 | DataSize = 0;\r | |
20333c6d | 2444 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r |
ecc722ad | 2445 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r |
2446 | goto ON_EXIT;\r | |
2447 | }\r | |
2448 | \r | |
2449 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2450 | if (Data == NULL) {\r | |
2451 | Status = EFI_OUT_OF_RESOURCES;\r | |
2452 | goto ON_EXIT;\r | |
2453 | }\r | |
2454 | \r | |
2455 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
2456 | if (EFI_ERROR (Status)) {\r | |
2457 | goto ON_EXIT;\r | |
2458 | }\r | |
2459 | \r | |
2460 | GuidStr = AllocateZeroPool (100);\r | |
2461 | if (GuidStr == NULL) {\r | |
2462 | Status = EFI_OUT_OF_RESOURCES;\r | |
2463 | goto ON_EXIT;\r | |
2464 | }\r | |
2465 | \r | |
2466 | //\r | |
2467 | // Enumerate all KEK pub data.\r | |
2468 | //\r | |
2469 | ItemDataSize = (UINT32) DataSize;\r | |
2470 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2471 | GuidIndex = 0;\r | |
2472 | \r | |
2473 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2474 | \r | |
2475 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
2476 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
2477 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2478 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
2479 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
2480 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
2481 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
2482 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
20333c6d QL |
2483 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid)) {\r |
2484 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA256_GUID);\r | |
2485 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
2486 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA384_GUID);\r | |
2487 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
2488 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA512_GUID);\r | |
ecc722ad | 2489 | } else {\r |
2490 | //\r | |
2491 | // The signature type is not supported in current implementation.\r | |
2492 | //\r | |
b7d269ea | 2493 | ItemDataSize -= CertList->SignatureListSize;\r |
2494 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
ecc722ad | 2495 | continue;\r |
2496 | }\r | |
2497 | \r | |
2498 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2499 | for (Index = 0; Index < CertCount; Index++) {\r | |
20333c6d QL |
2500 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList\r |
2501 | + sizeof (EFI_SIGNATURE_LIST)\r | |
2502 | + CertList->SignatureHeaderSize\r | |
ecc722ad | 2503 | + Index * CertList->SignatureSize);\r |
2504 | //\r | |
20333c6d | 2505 | // Display GUID and help\r |
ecc722ad | 2506 | //\r |
2507 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
2508 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r | |
2509 | HiiCreateCheckBoxOpCode (\r | |
2510 | StartOpCodeHandle,\r | |
2511 | (EFI_QUESTION_ID) (QuestionIdBase + GuidIndex++),\r | |
20333c6d QL |
2512 | 0,\r |
2513 | 0,\r | |
2514 | GuidID,\r | |
ecc722ad | 2515 | Help,\r |
2516 | EFI_IFR_FLAG_CALLBACK,\r | |
2517 | 0,\r | |
2518 | NULL\r | |
20333c6d | 2519 | );\r |
ecc722ad | 2520 | }\r |
2521 | \r | |
2522 | ItemDataSize -= CertList->SignatureListSize;\r | |
2523 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2524 | }\r | |
2525 | \r | |
2526 | ON_EXIT:\r | |
2527 | HiiUpdateForm (\r | |
2528 | PrivateData->HiiHandle,\r | |
2529 | &gSecureBootConfigFormSetGuid,\r | |
2530 | FormId,\r | |
2531 | StartOpCodeHandle,\r | |
2532 | EndOpCodeHandle\r | |
2533 | );\r | |
2534 | \r | |
2535 | if (StartOpCodeHandle != NULL) {\r | |
2536 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2537 | }\r | |
2538 | \r | |
2539 | if (EndOpCodeHandle != NULL) {\r | |
2540 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2541 | }\r | |
20333c6d | 2542 | \r |
ecc722ad | 2543 | if (Data != NULL) {\r |
2544 | FreePool (Data);\r | |
2545 | }\r | |
2546 | \r | |
2547 | if (GuidStr != NULL) {\r | |
2548 | FreePool (GuidStr);\r | |
2549 | }\r | |
2550 | \r | |
2551 | return EFI_SUCCESS;\r | |
2552 | }\r | |
2553 | \r | |
beda2356 | 2554 | /**\r |
20333c6d | 2555 | Delete a KEK entry from KEK database.\r |
beda2356 | 2556 | \r |
ecc722ad | 2557 | @param[in] PrivateData Module's private data.\r |
2558 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 2559 | \r |
ecc722ad | 2560 | @retval EFI_SUCCESS Delete kek item successfully.\r |
2561 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 2562 | \r |
ecc722ad | 2563 | **/\r |
2564 | EFI_STATUS\r | |
2565 | DeleteKeyExchangeKey (\r | |
2566 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2567 | IN EFI_QUESTION_ID QuestionId\r | |
2568 | )\r | |
2569 | {\r | |
2570 | EFI_STATUS Status;\r | |
2571 | UINTN DataSize;\r | |
2572 | UINT8 *Data;\r | |
2573 | UINT8 *OldData;\r | |
2574 | UINT32 Attr;\r | |
2575 | UINT32 Index;\r | |
2576 | EFI_SIGNATURE_LIST *CertList;\r | |
2577 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2578 | EFI_SIGNATURE_DATA *Cert;\r | |
2579 | UINTN CertCount;\r | |
2580 | UINT32 Offset;\r | |
2581 | BOOLEAN IsKEKItemFound;\r | |
2582 | UINT32 KekDataSize;\r | |
2583 | UINTN DeleteKekIndex;\r | |
2584 | UINTN GuidIndex;\r | |
2585 | \r | |
2586 | Data = NULL;\r | |
2587 | OldData = NULL;\r | |
2588 | CertList = NULL;\r | |
2589 | Cert = NULL;\r | |
20333c6d | 2590 | Attr = 0;\r |
ecc722ad | 2591 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r |
f71ed839 | 2592 | \r |
2593 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
2594 | if (EFI_ERROR (Status)) {\r | |
2595 | return Status;\r | |
2596 | }\r | |
20333c6d | 2597 | \r |
ecc722ad | 2598 | //\r |
2599 | // Get original KEK variable.\r | |
20333c6d QL |
2600 | //\r |
2601 | DataSize = 0;\r | |
ecc722ad | 2602 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r |
2603 | if (EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2604 | goto ON_EXIT;\r | |
2605 | }\r | |
2606 | \r | |
2607 | OldData = (UINT8*)AllocateZeroPool(DataSize);\r | |
2608 | if (OldData == NULL) {\r | |
20333c6d | 2609 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2610 | goto ON_EXIT;\r |
2611 | }\r | |
2612 | \r | |
2613 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
2614 | if (EFI_ERROR(Status)) {\r | |
2615 | goto ON_EXIT;\r | |
2616 | }\r | |
2617 | \r | |
2618 | //\r | |
20333c6d | 2619 | // Allocate space for new variable.\r |
ecc722ad | 2620 | //\r |
2621 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2622 | if (Data == NULL) {\r | |
2623 | Status = EFI_OUT_OF_RESOURCES;\r | |
2624 | goto ON_EXIT;\r | |
2625 | }\r | |
2626 | \r | |
2627 | //\r | |
2628 | // Enumerate all KEK pub data and erasing the target item.\r | |
2629 | //\r | |
2630 | IsKEKItemFound = FALSE;\r | |
2631 | KekDataSize = (UINT32) DataSize;\r | |
2632 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2633 | Offset = 0;\r | |
2634 | GuidIndex = 0;\r | |
2635 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2636 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2637 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2638 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2639 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
2640 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2641 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2642 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2643 | for (Index = 0; Index < CertCount; Index++) {\r | |
2644 | if (GuidIndex == DeleteKekIndex ) {\r | |
2645 | //\r | |
2646 | // Find it! Skip it!\r | |
2647 | //\r | |
2648 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2649 | IsKEKItemFound = TRUE;\r |
ecc722ad | 2650 | } else {\r |
2651 | //\r | |
2652 | // This item doesn't match. Copy it to the Data buffer.\r | |
2653 | //\r | |
2654 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
2655 | Offset += CertList->SignatureSize;\r | |
2656 | }\r | |
2657 | GuidIndex++;\r | |
2658 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8*) Cert + CertList->SignatureSize);\r | |
2659 | }\r | |
2660 | } else {\r | |
2661 | //\r | |
2662 | // This List doesn't match. Copy it to the Data buffer.\r | |
2663 | //\r | |
2664 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
2665 | Offset += CertList->SignatureListSize;\r | |
2666 | }\r | |
20333c6d | 2667 | \r |
ecc722ad | 2668 | KekDataSize -= CertList->SignatureListSize;\r |
2669 | CertList = (EFI_SIGNATURE_LIST*) ((UINT8*) CertList + CertList->SignatureListSize);\r | |
2670 | }\r | |
2671 | \r | |
2672 | if (!IsKEKItemFound) {\r | |
2673 | //\r | |
2674 | // Doesn't find the Kek Item!\r | |
2675 | //\r | |
2676 | Status = EFI_NOT_FOUND;\r | |
2677 | goto ON_EXIT;\r | |
2678 | }\r | |
2679 | \r | |
2680 | //\r | |
2681 | // Delete the Signature header if there is no signature in the list.\r | |
2682 | //\r | |
2683 | KekDataSize = Offset;\r | |
2684 | CertList = (EFI_SIGNATURE_LIST*) Data;\r | |
2685 | Offset = 0;\r | |
2686 | ZeroMem (OldData, KekDataSize);\r | |
2687 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2688 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2689 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2690 | if (CertCount != 0) {\r |
2691 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
2692 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2693 | }\r |
ecc722ad | 2694 | KekDataSize -= CertList->SignatureListSize;\r |
2695 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2696 | }\r | |
2697 | \r | |
ecc722ad | 2698 | DataSize = Offset;\r |
8c1babfd | 2699 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2700 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2701 | if (EFI_ERROR (Status)) {\r | |
2702 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2703 | goto ON_EXIT;\r | |
2704 | }\r | |
2705 | }\r | |
ecc722ad | 2706 | \r |
2707 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2708 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2709 | &gEfiGlobalVariableGuid,\r | |
2710 | Attr,\r | |
2711 | DataSize,\r | |
ecc722ad | 2712 | OldData\r |
2713 | );\r | |
2714 | if (EFI_ERROR (Status)) {\r | |
2715 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
2716 | goto ON_EXIT;\r | |
2717 | }\r | |
20333c6d | 2718 | \r |
ecc722ad | 2719 | ON_EXIT:\r |
2720 | if (Data != NULL) {\r | |
2721 | FreePool(Data);\r | |
2722 | }\r | |
2723 | \r | |
2724 | if (OldData != NULL) {\r | |
2725 | FreePool(OldData);\r | |
2726 | }\r | |
2727 | \r | |
2728 | return UpdateDeletePage (\r | |
20333c6d | 2729 | PrivateData,\r |
ecc722ad | 2730 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2731 | &gEfiGlobalVariableGuid,\r | |
2732 | LABEL_KEK_DELETE,\r | |
2733 | FORMID_DELETE_KEK_FORM,\r | |
2734 | OPTION_DEL_KEK_QUESTION_ID\r | |
2735 | );\r | |
2736 | }\r | |
2737 | \r | |
2738 | /**\r | |
85974aef | 2739 | Delete a signature entry from signature database.\r |
beda2356 | 2740 | \r |
ecc722ad | 2741 | @param[in] PrivateData Module's private data.\r |
2742 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2743 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2744 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2745 | @param[in] FormId Form ID of current page.\r | |
2746 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2747 | @param[in] DeleteIndex Signature index to delete.\r | |
20333c6d | 2748 | \r |
85974aef | 2749 | @retval EFI_SUCCESS Delete signature successfully.\r |
ecc722ad | 2750 | @retval EFI_NOT_FOUND Can't find the signature item,\r |
2751 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 2752 | **/\r |
2753 | EFI_STATUS\r | |
ecc722ad | 2754 | DeleteSignature (\r |
2755 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2756 | IN CHAR16 *VariableName,\r | |
2757 | IN EFI_GUID *VendorGuid,\r | |
2758 | IN UINT16 LabelNumber,\r | |
2759 | IN EFI_FORM_ID FormId,\r | |
2760 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
2761 | IN UINTN DeleteIndex\r | |
beda2356 | 2762 | )\r |
2763 | {\r | |
ecc722ad | 2764 | EFI_STATUS Status;\r |
2765 | UINTN DataSize;\r | |
2766 | UINT8 *Data;\r | |
2767 | UINT8 *OldData;\r | |
2768 | UINT32 Attr;\r | |
2769 | UINT32 Index;\r | |
2770 | EFI_SIGNATURE_LIST *CertList;\r | |
2771 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2772 | EFI_SIGNATURE_DATA *Cert;\r | |
2773 | UINTN CertCount;\r | |
2774 | UINT32 Offset;\r | |
2775 | BOOLEAN IsItemFound;\r | |
2776 | UINT32 ItemDataSize;\r | |
2777 | UINTN GuidIndex;\r | |
bc0c99b3 | 2778 | \r |
ecc722ad | 2779 | Data = NULL;\r |
2780 | OldData = NULL;\r | |
2781 | CertList = NULL;\r | |
2782 | Cert = NULL;\r | |
20333c6d | 2783 | Attr = 0;\r |
ecc722ad | 2784 | \r |
f71ed839 | 2785 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
2786 | if (EFI_ERROR (Status)) {\r | |
2787 | return Status;\r | |
2788 | }\r | |
2789 | \r | |
ecc722ad | 2790 | //\r |
2791 | // Get original signature list data.\r | |
20333c6d | 2792 | //\r |
ecc722ad | 2793 | DataSize = 0;\r |
2794 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r | |
2795 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2796 | goto ON_EXIT;\r | |
2797 | }\r | |
2798 | \r | |
2799 | OldData = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2800 | if (OldData == NULL) {\r | |
20333c6d | 2801 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2802 | goto ON_EXIT;\r |
2803 | }\r | |
2804 | \r | |
2805 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
2806 | if (EFI_ERROR(Status)) {\r | |
2807 | goto ON_EXIT;\r | |
20333c6d | 2808 | }\r |
ecc722ad | 2809 | \r |
2810 | //\r | |
20333c6d | 2811 | // Allocate space for new variable.\r |
ecc722ad | 2812 | //\r |
2813 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2814 | if (Data == NULL) {\r | |
2815 | Status = EFI_OUT_OF_RESOURCES;\r | |
2816 | goto ON_EXIT;\r | |
2817 | }\r | |
2818 | \r | |
2819 | //\r | |
2820 | // Enumerate all signature data and erasing the target item.\r | |
2821 | //\r | |
2822 | IsItemFound = FALSE;\r | |
2823 | ItemDataSize = (UINT32) DataSize;\r | |
2824 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2825 | Offset = 0;\r | |
2826 | GuidIndex = 0;\r | |
2827 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2828 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2829 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
2830 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
20333c6d QL |
2831 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid) ||\r |
2832 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid) ||\r | |
2833 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid) ||\r | |
2834 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)\r | |
ecc722ad | 2835 | ) {\r |
2836 | //\r | |
2837 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
2838 | //\r | |
2839 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2840 | NewCertList = (EFI_SIGNATURE_LIST*) (Data + Offset);\r | |
2841 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2842 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2843 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2844 | for (Index = 0; Index < CertCount; Index++) {\r | |
2845 | if (GuidIndex == DeleteIndex) {\r | |
2846 | //\r | |
2847 | // Find it! Skip it!\r | |
2848 | //\r | |
2849 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2850 | IsItemFound = TRUE;\r |
ecc722ad | 2851 | } else {\r |
2852 | //\r | |
2853 | // This item doesn't match. Copy it to the Data buffer.\r | |
2854 | //\r | |
2855 | CopyMem (Data + Offset, (UINT8*)(Cert), CertList->SignatureSize);\r | |
2856 | Offset += CertList->SignatureSize;\r | |
2857 | }\r | |
2858 | GuidIndex++;\r | |
2859 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
2860 | }\r | |
2861 | } else {\r | |
2862 | //\r | |
2863 | // This List doesn't match. Just copy it to the Data buffer.\r | |
2864 | //\r | |
2865 | CopyMem (Data + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2866 | Offset += CertList->SignatureListSize;\r | |
2867 | }\r | |
20333c6d | 2868 | \r |
ecc722ad | 2869 | ItemDataSize -= CertList->SignatureListSize;\r |
2870 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2871 | }\r | |
2872 | \r | |
2873 | if (!IsItemFound) {\r | |
2874 | //\r | |
2875 | // Doesn't find the signature Item!\r | |
2876 | //\r | |
2877 | Status = EFI_NOT_FOUND;\r | |
2878 | goto ON_EXIT;\r | |
2879 | }\r | |
2880 | \r | |
2881 | //\r | |
2882 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
2883 | //\r | |
2884 | ItemDataSize = Offset;\r | |
2885 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2886 | Offset = 0;\r | |
2887 | ZeroMem (OldData, ItemDataSize);\r | |
2888 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2889 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2890 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2891 | if (CertCount != 0) {\r |
2892 | CopyMem (OldData + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2893 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2894 | }\r |
ecc722ad | 2895 | ItemDataSize -= CertList->SignatureListSize;\r |
2896 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2897 | }\r | |
2898 | \r | |
ecc722ad | 2899 | DataSize = Offset;\r |
8c1babfd | 2900 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2901 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2902 | if (EFI_ERROR (Status)) {\r | |
2903 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2904 | goto ON_EXIT;\r | |
2905 | }\r | |
2906 | }\r | |
ecc722ad | 2907 | \r |
2908 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2909 | VariableName,\r |
2910 | VendorGuid,\r | |
2911 | Attr,\r | |
2912 | DataSize,\r | |
ecc722ad | 2913 | OldData\r |
2914 | );\r | |
beda2356 | 2915 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2916 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
2917 | goto ON_EXIT;\r | |
beda2356 | 2918 | }\r |
20333c6d | 2919 | \r |
ecc722ad | 2920 | ON_EXIT:\r |
2921 | if (Data != NULL) {\r | |
2922 | FreePool(Data);\r | |
2923 | }\r | |
2924 | \r | |
2925 | if (OldData != NULL) {\r | |
2926 | FreePool(OldData);\r | |
2927 | }\r | |
2928 | \r | |
2929 | return UpdateDeletePage (\r | |
20333c6d | 2930 | PrivateData,\r |
ecc722ad | 2931 | VariableName,\r |
2932 | VendorGuid,\r | |
2933 | LabelNumber,\r | |
2934 | FormId,\r | |
2935 | QuestionIdBase\r | |
2936 | );\r | |
2937 | }\r | |
2938 | \r | |
85974aef | 2939 | /**\r |
2940 | This function to delete signature list or data, according by DelType.\r | |
2941 | \r | |
2942 | @param[in] PrivateData Module's private data.\r | |
2943 | @param[in] DelType Indicate delete signature list or data.\r | |
2944 | @param[in] CheckedCount Indicate how many signature data have\r | |
2945 | been checked in current signature list.\r | |
2946 | \r | |
2947 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2948 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
2949 | **/\r | |
2950 | EFI_STATUS\r | |
2951 | DeleteSignatureEx (\r | |
2952 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2953 | IN SIGNATURE_DELETE_TYPE DelType,\r | |
2954 | IN UINT32 CheckedCount\r | |
2955 | )\r | |
2956 | {\r | |
2957 | EFI_STATUS Status;\r | |
2958 | EFI_SIGNATURE_LIST *ListWalker;\r | |
2959 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2960 | EFI_SIGNATURE_DATA *DataWalker;\r | |
65c77f02 | 2961 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
85974aef | 2962 | UINT32 VariableAttr;\r |
2963 | UINTN VariableDataSize;\r | |
2964 | UINTN RemainingSize;\r | |
2965 | UINTN ListIndex;\r | |
2966 | UINTN Index;\r | |
2967 | UINTN Offset;\r | |
2968 | UINT8 *VariableData;\r | |
2969 | UINT8 *NewVariableData;\r | |
2970 | \r | |
2971 | Status = EFI_SUCCESS;\r | |
85974aef | 2972 | VariableAttr = 0;\r |
2973 | VariableDataSize = 0;\r | |
2974 | ListIndex = 0;\r | |
2975 | Offset = 0;\r | |
2976 | VariableData = NULL;\r | |
2977 | NewVariableData = NULL;\r | |
2978 | \r | |
0085d619 | 2979 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 2980 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 2981 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 2982 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 2983 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 2984 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 2985 | } else {\r |
2986 | goto ON_EXIT;\r | |
2987 | }\r | |
2988 | \r | |
2989 | Status = gRT->GetVariable (\r | |
2990 | VariableName,\r | |
2991 | &gEfiImageSecurityDatabaseGuid,\r | |
2992 | &VariableAttr,\r | |
2993 | &VariableDataSize,\r | |
2994 | VariableData\r | |
2995 | );\r | |
2996 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2997 | goto ON_EXIT;\r | |
2998 | }\r | |
2999 | \r | |
3000 | VariableData = AllocateZeroPool (VariableDataSize);\r | |
3001 | if (VariableData == NULL) {\r | |
3002 | Status = EFI_OUT_OF_RESOURCES;\r | |
3003 | goto ON_EXIT;\r | |
3004 | }\r | |
3005 | \r | |
3006 | Status = gRT->GetVariable (\r | |
3007 | VariableName,\r | |
3008 | &gEfiImageSecurityDatabaseGuid,\r | |
3009 | &VariableAttr,\r | |
3010 | &VariableDataSize,\r | |
3011 | VariableData\r | |
3012 | );\r | |
3013 | if (EFI_ERROR (Status)) {\r | |
3014 | goto ON_EXIT;\r | |
3015 | }\r | |
3016 | \r | |
3017 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
3018 | if (EFI_ERROR (Status)) {\r | |
3019 | goto ON_EXIT;\r | |
3020 | }\r | |
3021 | \r | |
3022 | NewVariableData = AllocateZeroPool (VariableDataSize);\r | |
3023 | if (NewVariableData == NULL) {\r | |
3024 | Status = EFI_OUT_OF_RESOURCES;\r | |
3025 | goto ON_EXIT;\r | |
3026 | }\r | |
3027 | \r | |
3028 | RemainingSize = VariableDataSize;\r | |
3029 | ListWalker = (EFI_SIGNATURE_LIST *)(VariableData);\r | |
0085d619 | 3030 | if (DelType == Delete_Signature_List_All) {\r |
85974aef | 3031 | VariableDataSize = 0;\r |
3032 | } else {\r | |
dcd70885 LG |
3033 | //\r |
3034 | // Traverse to target EFI_SIGNATURE_LIST but others will be skipped.\r | |
3035 | //\r | |
85974aef | 3036 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex < PrivateData->ListIndex) {\r |
3037 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, ListWalker->SignatureListSize);\r | |
3038 | Offset += ListWalker->SignatureListSize;\r | |
3039 | \r | |
3040 | RemainingSize -= ListWalker->SignatureListSize;\r | |
3041 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
3042 | ListIndex++;\r | |
3043 | }\r | |
3044 | \r | |
dcd70885 LG |
3045 | //\r |
3046 | // Handle the target EFI_SIGNATURE_LIST.\r | |
3047 | // If CheckedCount == SIGNATURE_DATA_COUNTS (ListWalker) or DelType == Delete_Signature_List_One\r | |
3048 | // it means delete the whole EFI_SIGNATURE_LIST, So we just skip this EFI_SIGNATURE_LIST.\r | |
3049 | //\r | |
3050 | if (CheckedCount < SIGNATURE_DATA_COUNTS (ListWalker) && DelType == Delete_Signature_Data) {\r | |
85974aef | 3051 | NewCertList = (EFI_SIGNATURE_LIST *)(NewVariableData + Offset);\r |
3052 | //\r | |
3053 | // Copy header.\r | |
3054 | //\r | |
dcd70885 | 3055 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
85974aef | 3056 | Offset += sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize;\r |
3057 | \r | |
3058 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof(EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r | |
3059 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS(ListWalker); Index = Index + 1) {\r | |
3060 | if (PrivateData->CheckArray[Index]) {\r | |
3061 | //\r | |
3062 | // Delete checked signature data, and update the size of whole signature list.\r | |
3063 | //\r | |
3064 | NewCertList->SignatureListSize -= NewCertList->SignatureSize;\r | |
3065 | } else {\r | |
3066 | //\r | |
3067 | // Remain the unchecked signature data.\r | |
3068 | //\r | |
3069 | CopyMem ((UINT8 *)NewVariableData + Offset, DataWalker, ListWalker->SignatureSize);\r | |
3070 | Offset += ListWalker->SignatureSize;\r | |
3071 | }\r | |
3072 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r | |
3073 | }\r | |
85974aef | 3074 | }\r |
3075 | \r | |
dcd70885 LG |
3076 | RemainingSize -= ListWalker->SignatureListSize;\r |
3077 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
3078 | \r | |
85974aef | 3079 | //\r |
3080 | // Copy remaining data, maybe 0.\r | |
3081 | //\r | |
3082 | CopyMem((UINT8 *)NewVariableData + Offset, ListWalker, RemainingSize);\r | |
3083 | Offset += RemainingSize;\r | |
3084 | \r | |
3085 | VariableDataSize = Offset;\r | |
3086 | }\r | |
3087 | \r | |
3088 | if ((VariableAttr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r | |
3089 | Status = CreateTimeBasedPayload (&VariableDataSize, &NewVariableData);\r | |
3090 | if (EFI_ERROR (Status)) {\r | |
3091 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
3092 | goto ON_EXIT;\r | |
3093 | }\r | |
3094 | }\r | |
3095 | \r | |
3096 | Status = gRT->SetVariable (\r | |
3097 | VariableName,\r | |
3098 | &gEfiImageSecurityDatabaseGuid,\r | |
3099 | VariableAttr,\r | |
3100 | VariableDataSize,\r | |
3101 | NewVariableData\r | |
3102 | );\r | |
3103 | if (EFI_ERROR (Status)) {\r | |
3104 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r", Status));\r | |
3105 | goto ON_EXIT;\r | |
3106 | }\r | |
3107 | \r | |
3108 | ON_EXIT:\r | |
85974aef | 3109 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3110 | SECUREBOOT_FREE_NON_NULL (NewVariableData);\r | |
3111 | \r | |
3112 | return Status;\r | |
3113 | }\r | |
3114 | \r | |
02dd6af9 CZ |
3115 | /**\r |
3116 | \r | |
3117 | Update SecureBoot strings based on new Secure Boot Mode State. String includes STR_SECURE_BOOT_STATE_CONTENT\r | |
3118 | and STR_CUR_SECURE_BOOT_MODE_CONTENT.\r | |
3119 | \r | |
3120 | @param[in] PrivateData Module's private data.\r | |
3121 | \r | |
3122 | @return EFI_SUCCESS Update secure boot strings successfully.\r | |
3123 | @return other Fail to update secure boot strings.\r | |
3124 | \r | |
3125 | **/\r | |
3126 | EFI_STATUS\r | |
3127 | UpdateSecureBootString(\r | |
3128 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
abffadf0 ZC |
3129 | )\r |
3130 | {\r | |
02dd6af9 CZ |
3131 | UINT8 *SecureBoot;\r |
3132 | \r | |
e8cd9b80 CZ |
3133 | SecureBoot = NULL;\r |
3134 | \r | |
02dd6af9 CZ |
3135 | //\r |
3136 | // Get current secure boot state.\r | |
3137 | //\r | |
e8cd9b80 CZ |
3138 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SecureBoot, NULL);\r |
3139 | if (SecureBoot == NULL) {\r | |
3140 | return EFI_NOT_FOUND;\r | |
02dd6af9 CZ |
3141 | }\r |
3142 | \r | |
3143 | if (*SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
3144 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
3145 | } else {\r | |
3146 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
3147 | }\r | |
02dd6af9 CZ |
3148 | \r |
3149 | FreePool(SecureBoot);\r | |
3150 | \r | |
3151 | return EFI_SUCCESS;\r | |
3152 | }\r | |
3153 | \r | |
ecc722ad | 3154 | /**\r |
3155 | This function extracts configuration from variable.\r | |
20333c6d | 3156 | \r |
4de754e1 | 3157 | @param[in] Private Point to SecureBoot configuration driver private data.\r |
ecc722ad | 3158 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r |
3159 | \r | |
3160 | **/\r | |
3161 | VOID\r | |
3162 | SecureBootExtractConfigFromVariable (\r | |
4de754e1 | 3163 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
ecc722ad | 3164 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r |
20333c6d | 3165 | )\r |
ecc722ad | 3166 | {\r |
20333c6d | 3167 | UINT8 *SecureBootEnable;\r |
12087ff6 | 3168 | UINT8 *SetupMode;\r |
20333c6d QL |
3169 | UINT8 *SecureBootMode;\r |
3170 | EFI_TIME CurrTime;\r | |
ecc722ad | 3171 | \r |
3172 | SecureBootEnable = NULL;\r | |
12087ff6 | 3173 | SetupMode = NULL;\r |
ecc722ad | 3174 | SecureBootMode = NULL;\r |
20333c6d QL |
3175 | \r |
3176 | //\r | |
d6b926e7 | 3177 | // Initialize the Date and Time using system time.\r |
20333c6d QL |
3178 | //\r |
3179 | ConfigData->CertificateFormat = HASHALG_RAW;\r | |
3180 | ConfigData->AlwaysRevocation = TRUE;\r | |
3181 | gRT->GetTime (&CurrTime, NULL);\r | |
3182 | ConfigData->RevocationDate.Year = CurrTime.Year;\r | |
3183 | ConfigData->RevocationDate.Month = CurrTime.Month;\r | |
3184 | ConfigData->RevocationDate.Day = CurrTime.Day;\r | |
3185 | ConfigData->RevocationTime.Hour = CurrTime.Hour;\r | |
3186 | ConfigData->RevocationTime.Minute = CurrTime.Minute;\r | |
3187 | ConfigData->RevocationTime.Second = 0;\r | |
4de754e1 ZC |
3188 | if (Private->FileContext->FHandle != NULL) {\r |
3189 | ConfigData->FileEnrollType = Private->FileContext->FileType;\r | |
3190 | } else {\r | |
3191 | ConfigData->FileEnrollType = UNKNOWN_FILE_TYPE;\r | |
3192 | }\r | |
20333c6d | 3193 | \r |
ecc722ad | 3194 | //\r |
3195 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
3196 | //\r | |
3197 | if (UserPhysicalPresent()) {\r | |
3198 | ConfigData->PhysicalPresent = TRUE;\r | |
3199 | } else {\r | |
3200 | ConfigData->PhysicalPresent = FALSE;\r | |
3201 | }\r | |
20333c6d | 3202 | \r |
96832eef CZ |
3203 | //\r |
3204 | // If there is no PK then the Delete Pk button will be gray.\r | |
3205 | //\r | |
12087ff6 ZC |
3206 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
3207 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
96832eef CZ |
3208 | ConfigData->HasPk = FALSE;\r |
3209 | } else {\r | |
3210 | ConfigData->HasPk = TRUE;\r | |
3211 | }\r | |
3212 | \r | |
126f3b1d | 3213 | //\r |
d6b926e7 | 3214 | // Check SecureBootEnable & Pk status, fix the inconsistency.\r |
126f3b1d ZC |
3215 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r |
3216 | // Checkbox.\r | |
3217 | //\r | |
3218 | ConfigData->AttemptSecureBoot = FALSE;\r | |
b3548d32 | 3219 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
126f3b1d ZC |
3220 | \r |
3221 | //\r | |
d6b926e7 | 3222 | // Fix Pk and SecureBootEnable inconsistency\r |
126f3b1d | 3223 | //\r |
f1005559 | 3224 | if ((SetupMode != NULL) && (*SetupMode) == USER_MODE) {\r |
126f3b1d ZC |
3225 | ConfigData->HideSecureBoot = FALSE;\r |
3226 | if ((SecureBootEnable != NULL) && (*SecureBootEnable == SECURE_BOOT_ENABLE)) {\r | |
3227 | ConfigData->AttemptSecureBoot = TRUE;\r | |
3228 | }\r | |
3229 | } else {\r | |
3230 | ConfigData->HideSecureBoot = TRUE;\r | |
3231 | }\r | |
3232 | \r | |
12087ff6 ZC |
3233 | //\r |
3234 | // Get the SecureBootMode from CustomMode variable.\r | |
3235 | //\r | |
3236 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3237 | if (SecureBootMode == NULL) {\r | |
3238 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3239 | } else {\r | |
3240 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
3241 | }\r | |
3242 | \r | |
f71ed839 | 3243 | if (SecureBootEnable != NULL) {\r |
3244 | FreePool (SecureBootEnable);\r | |
3245 | }\r | |
12087ff6 ZC |
3246 | if (SetupMode != NULL) {\r |
3247 | FreePool (SetupMode);\r | |
3248 | }\r | |
f71ed839 | 3249 | if (SecureBootMode != NULL) {\r |
3250 | FreePool (SecureBootMode);\r | |
3251 | }\r | |
beda2356 | 3252 | }\r |
3253 | \r | |
3254 | /**\r | |
3255 | This function allows a caller to extract the current configuration for one\r | |
3256 | or more named elements from the target driver.\r | |
3257 | \r | |
3258 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3259 | @param[in] Request A null-terminated Unicode string in\r | |
3260 | <ConfigRequest> format.\r | |
3261 | @param[out] Progress On return, points to a character in the Request\r | |
3262 | string. Points to the string's null terminator if\r | |
3263 | request was successful. Points to the most recent\r | |
3264 | '&' before the first failing name/value pair (or\r | |
3265 | the beginning of the string if the failure is in\r | |
3266 | the first name/value pair) if the request was not\r | |
3267 | successful.\r | |
3268 | @param[out] Results A null-terminated Unicode string in\r | |
3269 | <ConfigAltResp> format which has all values filled\r | |
3270 | in for the names in the Request string. String to\r | |
3271 | be allocated by the called function.\r | |
3272 | \r | |
3273 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
3274 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
3275 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
3276 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3277 | driver.\r | |
3278 | \r | |
3279 | **/\r | |
3280 | EFI_STATUS\r | |
3281 | EFIAPI\r | |
3282 | SecureBootExtractConfig (\r | |
3283 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3284 | IN CONST EFI_STRING Request,\r | |
3285 | OUT EFI_STRING *Progress,\r | |
3286 | OUT EFI_STRING *Results\r | |
3287 | )\r | |
3288 | {\r | |
3289 | EFI_STATUS Status;\r | |
3290 | UINTN BufferSize;\r | |
bc0c99b3 | 3291 | UINTN Size;\r |
beda2356 | 3292 | SECUREBOOT_CONFIGURATION Configuration;\r |
beda2356 | 3293 | EFI_STRING ConfigRequest;\r |
bc0c99b3 | 3294 | EFI_STRING ConfigRequestHdr;\r |
bc0c99b3 | 3295 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r |
3296 | BOOLEAN AllocatedRequest;\r | |
3297 | \r | |
beda2356 | 3298 | if (Progress == NULL || Results == NULL) {\r |
3299 | return EFI_INVALID_PARAMETER;\r | |
3300 | }\r | |
20333c6d | 3301 | \r |
bc0c99b3 | 3302 | AllocatedRequest = FALSE;\r |
3303 | ConfigRequestHdr = NULL;\r | |
3304 | ConfigRequest = NULL;\r | |
3305 | Size = 0;\r | |
20333c6d | 3306 | \r |
ea71453f | 3307 | ZeroMem (&Configuration, sizeof (Configuration));\r |
bc0c99b3 | 3308 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3309 | *Progress = Request;\r | |
20333c6d | 3310 | \r |
beda2356 | 3311 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
3312 | return EFI_NOT_FOUND;\r | |
3313 | }\r | |
3314 | \r | |
4de754e1 ZC |
3315 | ZeroMem(&Configuration, sizeof(SECUREBOOT_CONFIGURATION));\r |
3316 | \r | |
beda2356 | 3317 | //\r |
ecc722ad | 3318 | // Get Configuration from Variable.\r |
beda2356 | 3319 | //\r |
4de754e1 | 3320 | SecureBootExtractConfigFromVariable (PrivateData, &Configuration);\r |
f71ed839 | 3321 | \r |
bc0c99b3 | 3322 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 3323 | ConfigRequest = Request;\r |
bc0c99b3 | 3324 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
3325 | //\r | |
3326 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 3327 | //\r |
3328 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
3329 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
3330 | //\r | |
3331 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
3332 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
3333 | ConfigRequest = AllocateZeroPool (Size);\r | |
3334 | ASSERT (ConfigRequest != NULL);\r | |
3335 | AllocatedRequest = TRUE;\r | |
3336 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
3337 | FreePool (ConfigRequestHdr);\r | |
3338 | ConfigRequestHdr = NULL;\r | |
3339 | }\r | |
beda2356 | 3340 | \r |
3341 | Status = gHiiConfigRouting->BlockToConfig (\r | |
3342 | gHiiConfigRouting,\r | |
3343 | ConfigRequest,\r | |
3344 | (UINT8 *) &Configuration,\r | |
3345 | BufferSize,\r | |
3346 | Results,\r | |
3347 | Progress\r | |
3348 | );\r | |
bc0c99b3 | 3349 | \r |
3350 | //\r | |
3351 | // Free the allocated config request string.\r | |
3352 | //\r | |
3353 | if (AllocatedRequest) {\r | |
3354 | FreePool (ConfigRequest);\r | |
3355 | }\r | |
3356 | \r | |
beda2356 | 3357 | //\r |
3358 | // Set Progress string to the original request string.\r | |
3359 | //\r | |
3360 | if (Request == NULL) {\r | |
3361 | *Progress = NULL;\r | |
3362 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
3363 | *Progress = Request + StrLen (Request);\r | |
3364 | }\r | |
3365 | \r | |
3366 | return Status;\r | |
3367 | }\r | |
3368 | \r | |
3369 | /**\r | |
3370 | This function processes the results of changes in configuration.\r | |
3371 | \r | |
3372 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3373 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
3374 | format.\r | |
3375 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
3376 | the most recent '&' before the first failing\r | |
3377 | name/value pair (or the beginning of the string if\r | |
3378 | the failure is in the first name/value pair) or\r | |
3379 | the terminating NULL if all was successful.\r | |
3380 | \r | |
3381 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
3382 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
3383 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3384 | driver.\r | |
3385 | \r | |
3386 | **/\r | |
3387 | EFI_STATUS\r | |
3388 | EFIAPI\r | |
3389 | SecureBootRouteConfig (\r | |
3390 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3391 | IN CONST EFI_STRING Configuration,\r | |
3392 | OUT EFI_STRING *Progress\r | |
3393 | )\r | |
3394 | {\r | |
4de754e1 ZC |
3395 | SECUREBOOT_CONFIGURATION IfrNvData;\r |
3396 | UINTN BufferSize;\r | |
3397 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
3398 | EFI_STATUS Status;\r | |
20333c6d | 3399 | \r |
beda2356 | 3400 | if (Configuration == NULL || Progress == NULL) {\r |
3401 | return EFI_INVALID_PARAMETER;\r | |
3402 | }\r | |
3403 | \r | |
3404 | *Progress = Configuration;\r | |
3405 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
3406 | return EFI_NOT_FOUND;\r | |
3407 | }\r | |
3408 | \r | |
4de754e1 ZC |
3409 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3410 | \r | |
a365eed4 FS |
3411 | //\r |
3412 | // Get Configuration from Variable.\r | |
3413 | //\r | |
4de754e1 | 3414 | SecureBootExtractConfigFromVariable (PrivateData, &IfrNvData);\r |
a365eed4 FS |
3415 | \r |
3416 | //\r | |
3417 | // Map the Configuration to the configuration block.\r | |
3418 | //\r | |
a2f2c258 | 3419 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
3420 | Status = gHiiConfigRouting->ConfigToBlock (\r | |
3421 | gHiiConfigRouting,\r | |
3422 | Configuration,\r | |
3423 | (UINT8 *)&IfrNvData,\r | |
3424 | &BufferSize,\r | |
3425 | Progress\r | |
3426 | );\r | |
3427 | if (EFI_ERROR (Status)) {\r | |
3428 | return Status;\r | |
3429 | }\r | |
3430 | \r | |
3431 | //\r | |
3432 | // Store Buffer Storage back to EFI variable if needed\r | |
3433 | //\r | |
126f3b1d | 3434 | if (!IfrNvData.HideSecureBoot) {\r |
a2f2c258 | 3435 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r |
3436 | if (EFI_ERROR (Status)) {\r | |
3437 | return Status;\r | |
3438 | }\r | |
3439 | }\r | |
3440 | \r | |
ecc722ad | 3441 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 3442 | return EFI_SUCCESS;\r |
3443 | }\r | |
3444 | \r | |
85974aef | 3445 | /**\r |
3446 | This function to load signature list, the update the menu page.\r | |
3447 | \r | |
3448 | @param[in] PrivateData Module's private data.\r | |
3449 | @param[in] LabelId Label number to insert opcodes.\r | |
3450 | @param[in] FormId Form ID of current page.\r | |
3451 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
3452 | \r | |
3453 | @retval EFI_SUCCESS Success to update the signature list page\r | |
3454 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3455 | **/\r | |
3456 | EFI_STATUS\r | |
3457 | LoadSignatureList (\r | |
3458 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
3459 | IN UINT16 LabelId,\r | |
3460 | IN EFI_FORM_ID FormId,\r | |
3461 | IN EFI_QUESTION_ID QuestionIdBase\r | |
3462 | )\r | |
3463 | {\r | |
3464 | EFI_STATUS Status;\r | |
3465 | EFI_STRING_ID ListType;\r | |
3539e850 | 3466 | EFI_STRING FormatNameString;\r |
3467 | EFI_STRING FormatHelpString;\r | |
3468 | EFI_STRING FormatTypeString;\r | |
85974aef | 3469 | EFI_SIGNATURE_LIST *ListWalker;\r |
3470 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
3471 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
3472 | EFI_IFR_GUID_LABEL *StartGoto;\r | |
3473 | EFI_IFR_GUID_LABEL *EndGoto;\r | |
3474 | EFI_FORM_ID DstFormId;\r | |
3475 | VOID *StartOpCodeHandle;\r | |
3476 | VOID *EndOpCodeHandle;\r | |
3477 | VOID *StartGotoHandle;\r | |
3478 | VOID *EndGotoHandle;\r | |
3479 | UINTN DataSize;\r | |
3480 | UINTN RemainingSize;\r | |
3481 | UINT16 Index;\r | |
3482 | UINT8 *VariableData;\r | |
65c77f02 | 3483 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
3484 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
3485 | CHAR16 HelpBuffer[BUFFER_MAX_SIZE];\r | |
85974aef | 3486 | \r |
3487 | Status = EFI_SUCCESS;\r | |
3539e850 | 3488 | FormatNameString = NULL;\r |
3489 | FormatHelpString = NULL;\r | |
85974aef | 3490 | StartOpCodeHandle = NULL;\r |
3491 | EndOpCodeHandle = NULL;\r | |
3492 | StartGotoHandle = NULL;\r | |
3493 | EndGotoHandle = NULL;\r | |
3494 | Index = 0;\r | |
3495 | VariableData = NULL;\r | |
85974aef | 3496 | \r |
3497 | //\r | |
3498 | // Initialize the container for dynamic opcodes.\r | |
3499 | //\r | |
3500 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3501 | if (StartOpCodeHandle == NULL) {\r | |
3502 | Status = EFI_OUT_OF_RESOURCES;\r | |
3503 | goto ON_EXIT;\r | |
3504 | }\r | |
3505 | \r | |
3506 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3507 | if (EndOpCodeHandle == NULL) {\r | |
3508 | Status = EFI_OUT_OF_RESOURCES;\r | |
3509 | goto ON_EXIT;\r | |
3510 | }\r | |
3511 | \r | |
3512 | StartGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3513 | if (StartGotoHandle == NULL) {\r | |
3514 | Status = EFI_OUT_OF_RESOURCES;\r | |
3515 | goto ON_EXIT;\r | |
3516 | }\r | |
3517 | \r | |
3518 | EndGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3519 | if (EndGotoHandle == NULL) {\r | |
3520 | Status = EFI_OUT_OF_RESOURCES;\r | |
3521 | goto ON_EXIT;\r | |
3522 | }\r | |
3523 | \r | |
3524 | //\r | |
3525 | // Create Hii Extend Label OpCode.\r | |
3526 | //\r | |
3527 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3528 | StartOpCodeHandle,\r | |
3529 | &gEfiIfrTianoGuid,\r | |
3530 | NULL,\r | |
3531 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3532 | );\r | |
3533 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3534 | StartLabel->Number = LabelId;\r | |
3535 | \r | |
3536 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3537 | EndOpCodeHandle,\r | |
3538 | &gEfiIfrTianoGuid,\r | |
3539 | NULL,\r | |
3540 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3541 | );\r | |
3542 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3543 | EndLabel->Number = LABEL_END;\r | |
3544 | \r | |
3545 | StartGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode(\r | |
3546 | StartGotoHandle,\r | |
3547 | &gEfiIfrTianoGuid,\r | |
3548 | NULL,\r | |
3549 | sizeof(EFI_IFR_GUID_LABEL)\r | |
3550 | );\r | |
3551 | StartGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3552 | StartGoto->Number = LABEL_DELETE_ALL_LIST_BUTTON;\r | |
3553 | \r | |
3554 | EndGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode(\r | |
3555 | EndGotoHandle,\r | |
3556 | &gEfiIfrTianoGuid,\r | |
3557 | NULL,\r | |
3558 | sizeof(EFI_IFR_GUID_LABEL)\r | |
3559 | );\r | |
3560 | EndGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3561 | EndGoto->Number = LABEL_END;\r | |
3562 | \r | |
0085d619 | 3563 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 3564 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
85974aef | 3565 | DstFormId = FORMID_SECURE_BOOT_DB_OPTION_FORM;\r |
0085d619 | 3566 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 3567 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
85974aef | 3568 | DstFormId = FORMID_SECURE_BOOT_DBX_OPTION_FORM;\r |
0085d619 | 3569 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 3570 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 3571 | DstFormId = FORMID_SECURE_BOOT_DBT_OPTION_FORM;\r |
3572 | } else {\r | |
3573 | goto ON_EXIT;\r | |
3574 | }\r | |
3575 | \r | |
3576 | HiiCreateGotoOpCode (\r | |
3577 | StartGotoHandle,\r | |
3578 | DstFormId,\r | |
3579 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3580 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3581 | EFI_IFR_FLAG_CALLBACK,\r | |
3582 | KEY_SECURE_BOOT_DELETE_ALL_LIST\r | |
3583 | );\r | |
3584 | \r | |
3585 | //\r | |
3586 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
3587 | //\r | |
3588 | DataSize = 0;\r | |
3589 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
3590 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
3591 | goto ON_EXIT;\r | |
3592 | }\r | |
3593 | \r | |
3594 | VariableData = AllocateZeroPool (DataSize);\r | |
3595 | if (VariableData == NULL) {\r | |
3596 | Status = EFI_OUT_OF_RESOURCES;\r | |
3597 | goto ON_EXIT;\r | |
3598 | }\r | |
3599 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
3600 | if (EFI_ERROR (Status)) {\r | |
3601 | goto ON_EXIT;\r | |
3602 | }\r | |
3603 | \r | |
3539e850 | 3604 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_NAME_FORMAT), NULL);\r |
3605 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_HELP_FORMAT), NULL);\r | |
3606 | if (FormatNameString == NULL || FormatHelpString == NULL) {\r | |
3607 | goto ON_EXIT;\r | |
3608 | }\r | |
3609 | \r | |
85974aef | 3610 | RemainingSize = DataSize;\r |
3611 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r | |
3612 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize)) {\r | |
3613 | if (CompareGuid (&ListWalker->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
3614 | ListType = STRING_TOKEN (STR_LIST_TYPE_RSA2048_SHA256);\r | |
3615 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Guid)) {\r | |
3616 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509);\r | |
3617 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha1Guid)) {\r | |
3618 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA1);\r | |
3619 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha256Guid)) {\r | |
3620 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA256);\r | |
3621 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
3622 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA256);\r | |
3623 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
3624 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA384);\r | |
3625 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
3626 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA512);\r | |
3627 | } else {\r | |
3628 | ListType = STRING_TOKEN (STR_LIST_TYPE_UNKNOWN);\r | |
3629 | }\r | |
3539e850 | 3630 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListType, NULL);\r |
3631 | if (FormatTypeString == NULL) {\r | |
3632 | goto ON_EXIT;\r | |
3633 | }\r | |
85974aef | 3634 | \r |
65c77f02 | 3635 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 3636 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
65c77f02 | 3637 | \r |
3638 | ZeroMem (HelpBuffer, sizeof (HelpBuffer));\r | |
85974aef | 3639 | UnicodeSPrint (HelpBuffer,\r |
65c77f02 | 3640 | sizeof (HelpBuffer),\r |
3539e850 | 3641 | FormatHelpString,\r |
3642 | FormatTypeString,\r | |
85974aef | 3643 | SIGNATURE_DATA_COUNTS (ListWalker)\r |
3644 | );\r | |
3539e850 | 3645 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
3646 | FormatTypeString = NULL;\r | |
85974aef | 3647 | \r |
3648 | HiiCreateGotoOpCode (\r | |
3649 | StartOpCodeHandle,\r | |
3650 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
3651 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
3652 | HiiSetString (PrivateData->HiiHandle, 0, HelpBuffer, NULL),\r | |
3653 | EFI_IFR_FLAG_CALLBACK,\r | |
3654 | QuestionIdBase + Index++\r | |
3655 | );\r | |
3656 | \r | |
85974aef | 3657 | RemainingSize -= ListWalker->SignatureListSize;\r |
3658 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
3659 | }\r | |
3660 | \r | |
3661 | ON_EXIT:\r | |
3662 | HiiUpdateForm (\r | |
3663 | PrivateData->HiiHandle,\r | |
3664 | &gSecureBootConfigFormSetGuid,\r | |
3665 | FormId,\r | |
3666 | StartOpCodeHandle,\r | |
3667 | EndOpCodeHandle\r | |
3668 | );\r | |
3669 | \r | |
3670 | HiiUpdateForm (\r | |
3671 | PrivateData->HiiHandle,\r | |
3672 | &gSecureBootConfigFormSetGuid,\r | |
3673 | FormId,\r | |
3674 | StartGotoHandle,\r | |
3675 | EndGotoHandle\r | |
3676 | );\r | |
3677 | \r | |
3678 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
3679 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
3680 | SECUREBOOT_FREE_NON_OPCODE (StartGotoHandle);\r | |
3681 | SECUREBOOT_FREE_NON_OPCODE (EndGotoHandle);\r | |
3682 | \r | |
85974aef | 3683 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 3684 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
3685 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r | |
85974aef | 3686 | \r |
3687 | PrivateData->ListCount = Index;\r | |
3688 | \r | |
3689 | return Status;\r | |
3690 | }\r | |
3691 | \r | |
3692 | /**\r | |
3693 | Parse hash value from EFI_SIGNATURE_DATA, and save in the CHAR16 type array.\r | |
3694 | The buffer is callee allocated and should be freed by the caller.\r | |
3695 | \r | |
3696 | @param[in] ListEntry The pointer point to the signature list.\r | |
3697 | @param[in] DataEntry The signature data we are processing.\r | |
3698 | @param[out] BufferToReturn Buffer to save the hash value.\r | |
3699 | \r | |
3700 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3701 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3702 | @retval EFI_SUCCESS Operation success.\r | |
3703 | **/\r | |
3704 | EFI_STATUS\r | |
3705 | ParseHashValue (\r | |
3706 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3707 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3708 | OUT CHAR16 **BufferToReturn\r | |
3709 | )\r | |
3710 | {\r | |
3711 | UINTN Index;\r | |
3712 | UINTN BufferIndex;\r | |
3713 | UINTN TotalSize;\r | |
3714 | UINTN DataSize;\r | |
3715 | UINTN Line;\r | |
3716 | UINTN OneLineBytes;\r | |
3717 | \r | |
3718 | //\r | |
3719 | // Assume that, display 8 bytes in one line.\r | |
3720 | //\r | |
3721 | OneLineBytes = 8;\r | |
3722 | \r | |
3723 | if (ListEntry == NULL || DataEntry == NULL || BufferToReturn == NULL) {\r | |
3724 | return EFI_INVALID_PARAMETER;\r | |
3725 | }\r | |
3726 | \r | |
3727 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
3728 | Line = (DataSize + OneLineBytes - 1) / OneLineBytes;\r | |
3729 | \r | |
3730 | //\r | |
3731 | // Each byte will split two Hex-number, and each line need additional memory to save '\r\n'.\r | |
3732 | //\r | |
3733 | TotalSize = ((DataSize + Line) * 2 * sizeof(CHAR16));\r | |
3734 | \r | |
3735 | *BufferToReturn = AllocateZeroPool(TotalSize);\r | |
3736 | if (*BufferToReturn == NULL) {\r | |
3737 | return EFI_OUT_OF_RESOURCES;\r | |
3738 | }\r | |
3739 | \r | |
3740 | for (Index = 0, BufferIndex = 0; Index < DataSize; Index = Index + 1) {\r | |
3741 | if ((Index > 0) && (Index % OneLineBytes == 0)) {\r | |
3742 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"\n");\r | |
3743 | }\r | |
3744 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"%02x", DataEntry->SignatureData[Index]);\r | |
3745 | }\r | |
3746 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"\n");\r | |
3747 | \r | |
3748 | return EFI_SUCCESS;\r | |
3749 | }\r | |
3750 | \r | |
3751 | /**\r | |
3752 | Function to get the common name from the X509 format certificate.\r | |
3753 | The buffer is callee allocated and should be freed by the caller.\r | |
3754 | \r | |
3755 | @param[in] ListEntry The pointer point to the signature list.\r | |
3756 | @param[in] DataEntry The signature data we are processing.\r | |
3757 | @param[out] BufferToReturn Buffer to save the CN of X509 certificate.\r | |
3758 | \r | |
3759 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3760 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3761 | @retval EFI_SUCCESS Operation success.\r | |
3762 | @retval EFI_NOT_FOUND Not found CN field in the X509 certificate.\r | |
3763 | **/\r | |
3764 | EFI_STATUS\r | |
3765 | GetCommonNameFromX509 (\r | |
3766 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3767 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3768 | OUT CHAR16 **BufferToReturn\r | |
3769 | )\r | |
3770 | {\r | |
3771 | EFI_STATUS Status;\r | |
3772 | CHAR8 *CNBuffer;\r | |
3773 | UINTN CNBufferSize;\r | |
3774 | \r | |
3775 | Status = EFI_SUCCESS;\r | |
3776 | CNBuffer = NULL;\r | |
3777 | \r | |
3778 | CNBuffer = AllocateZeroPool(256);\r | |
3779 | if (CNBuffer == NULL) {\r | |
3780 | Status = EFI_OUT_OF_RESOURCES;\r | |
3781 | goto ON_EXIT;\r | |
3782 | }\r | |
3783 | \r | |
3784 | CNBufferSize = 256;\r | |
3785 | X509GetCommonName (\r | |
3786 | (UINT8 *)DataEntry + sizeof(EFI_GUID),\r | |
3787 | ListEntry->SignatureSize - sizeof(EFI_GUID),\r | |
3788 | CNBuffer,\r | |
3789 | &CNBufferSize\r | |
3790 | );\r | |
3791 | \r | |
3792 | *BufferToReturn = AllocateZeroPool(256 * sizeof(CHAR16));\r | |
3793 | if (*BufferToReturn == NULL) {\r | |
3794 | Status = EFI_OUT_OF_RESOURCES;\r | |
3795 | goto ON_EXIT;\r | |
3796 | }\r | |
3797 | \r | |
3798 | AsciiStrToUnicodeStrS (CNBuffer, *BufferToReturn, 256);\r | |
3799 | \r | |
3800 | ON_EXIT:\r | |
3801 | SECUREBOOT_FREE_NON_NULL (CNBuffer);\r | |
3802 | \r | |
3803 | return Status;\r | |
3804 | }\r | |
3805 | \r | |
3806 | /**\r | |
3807 | Format the help info for the signature data, each help info contain 3 parts.\r | |
3808 | 1. Onwer Guid.\r | |
3809 | 2. Content, depends on the type of the signature list.\r | |
3810 | 3. Revocation time.\r | |
3811 | \r | |
3812 | @param[in] PrivateData Module's private data.\r | |
3813 | @param[in] ListEntry Point to the signature list.\r | |
3814 | @param[in] DataEntry Point to the signature data we are processing.\r | |
3815 | @param[out] StringId Save the string id of help info.\r | |
3816 | \r | |
3817 | @retval EFI_SUCCESS Operation success.\r | |
3818 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3819 | **/\r | |
3820 | EFI_STATUS\r | |
3821 | FormatHelpInfo (\r | |
3822 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
3823 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3824 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3825 | OUT EFI_STRING_ID *StringId\r | |
3826 | )\r | |
3827 | {\r | |
3828 | EFI_STATUS Status;\r | |
3829 | EFI_TIME *Time;\r | |
3830 | EFI_STRING_ID ListTypeId;\r | |
3539e850 | 3831 | EFI_STRING FormatHelpString;\r |
3832 | EFI_STRING FormatTypeString;\r | |
85974aef | 3833 | UINTN DataSize;\r |
3834 | UINTN HelpInfoIndex;\r | |
3835 | UINTN TotalSize;\r | |
65c77f02 | 3836 | CHAR16 GuidString[BUFFER_MAX_SIZE];\r |
3837 | CHAR16 TimeString[BUFFER_MAX_SIZE];\r | |
85974aef | 3838 | CHAR16 *DataString;\r |
85974aef | 3839 | CHAR16 *HelpInfoString;\r |
3840 | BOOLEAN IsCert;\r | |
3841 | \r | |
3539e850 | 3842 | Status = EFI_SUCCESS;\r |
3843 | Time = NULL;\r | |
3844 | FormatTypeString = NULL;\r | |
3845 | HelpInfoIndex = 0;\r | |
3846 | DataString = NULL;\r | |
3847 | HelpInfoString = NULL;\r | |
3848 | IsCert = FALSE;\r | |
85974aef | 3849 | \r |
3850 | if (CompareGuid(&ListEntry->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
3851 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_RSA2048_SHA256);\r | |
3852 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
3853 | IsCert = TRUE;\r | |
3854 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Guid)) {\r | |
3855 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509);\r | |
3856 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
3857 | IsCert = TRUE;\r | |
3858 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertSha1Guid)) {\r | |
3859 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_SHA1);\r | |
3860 | DataSize = 20;\r | |
3861 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertSha256Guid)) {\r | |
3862 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_SHA256);\r | |
3863 | DataSize = 32;\r | |
3864 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
3865 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA256);\r | |
3866 | DataSize = 32;\r | |
3867 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3868 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
3869 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA384);\r | |
3870 | DataSize = 48;\r | |
3871 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3872 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
3873 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA512);\r | |
3874 | DataSize = 64;\r | |
3875 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3876 | } else {\r | |
3877 | Status = EFI_UNSUPPORTED;\r | |
3878 | goto ON_EXIT;\r | |
3879 | }\r | |
3880 | \r | |
3539e850 | 3881 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListTypeId, NULL);\r |
3882 | if (FormatTypeString == NULL) {\r | |
3883 | goto ON_EXIT;\r | |
3884 | }\r | |
3885 | \r | |
85974aef | 3886 | TotalSize = 1024;\r |
3887 | HelpInfoString = AllocateZeroPool (TotalSize);\r | |
3888 | if (HelpInfoString == NULL) {\r | |
3889 | Status = EFI_OUT_OF_RESOURCES;\r | |
3890 | goto ON_EXIT;\r | |
3891 | }\r | |
3892 | \r | |
3893 | //\r | |
3894 | // Format GUID part.\r | |
3895 | //\r | |
65c77f02 | 3896 | ZeroMem (GuidString, sizeof (GuidString));\r |
3897 | GuidToString(&DataEntry->SignatureOwner, GuidString, BUFFER_MAX_SIZE);\r | |
3539e850 | 3898 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_GUID), NULL);\r |
3899 | if (FormatHelpString == NULL) {\r | |
3900 | goto ON_EXIT;\r | |
3901 | }\r | |
85974aef | 3902 | HelpInfoIndex += UnicodeSPrint (\r |
3903 | &HelpInfoString[HelpInfoIndex],\r | |
3904 | TotalSize - sizeof(CHAR16) * HelpInfoIndex,\r | |
3539e850 | 3905 | FormatHelpString,\r |
85974aef | 3906 | GuidString\r |
3907 | );\r | |
3539e850 | 3908 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
3909 | FormatHelpString = NULL;\r | |
85974aef | 3910 | \r |
3911 | //\r | |
3912 | // Format content part, it depends on the type of signature list, hash value or CN.\r | |
3913 | //\r | |
3914 | if (IsCert) {\r | |
3915 | GetCommonNameFromX509 (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 3916 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_CN), NULL);\r |
85974aef | 3917 | } else {\r |
3918 | //\r | |
3919 | // Format hash value for each signature data entry.\r | |
3920 | //\r | |
3921 | ParseHashValue (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 3922 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_HASH), NULL);\r |
3923 | }\r | |
3924 | if (FormatHelpString == NULL) {\r | |
3925 | goto ON_EXIT;\r | |
85974aef | 3926 | }\r |
3539e850 | 3927 | HelpInfoIndex += UnicodeSPrint (\r |
3928 | &HelpInfoString[HelpInfoIndex],\r | |
3929 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
3930 | FormatHelpString,\r | |
3931 | FormatTypeString,\r | |
3932 | DataSize,\r | |
3933 | DataString\r | |
3934 | );\r | |
3935 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r | |
3936 | FormatHelpString = NULL;\r | |
85974aef | 3937 | \r |
3938 | //\r | |
3939 | // Format revocation time part.\r | |
3940 | //\r | |
3941 | if (Time != NULL) {\r | |
65c77f02 | 3942 | ZeroMem (TimeString, sizeof (TimeString));\r |
85974aef | 3943 | UnicodeSPrint (\r |
3944 | TimeString,\r | |
65c77f02 | 3945 | sizeof (TimeString),\r |
85974aef | 3946 | L"%d-%d-%d %d:%d:%d",\r |
3947 | Time->Year,\r | |
3948 | Time->Month,\r | |
3949 | Time->Day,\r | |
3950 | Time->Hour,\r | |
3951 | Time->Minute,\r | |
3952 | Time->Second\r | |
3953 | );\r | |
3539e850 | 3954 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_TIME), NULL);\r |
3955 | if (FormatHelpString == NULL) {\r | |
3956 | goto ON_EXIT;\r | |
3957 | }\r | |
85974aef | 3958 | UnicodeSPrint (\r |
3959 | &HelpInfoString[HelpInfoIndex],\r | |
3960 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
3539e850 | 3961 | FormatHelpString,\r |
85974aef | 3962 | TimeString\r |
3963 | );\r | |
3539e850 | 3964 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
3965 | FormatHelpString = NULL;\r | |
85974aef | 3966 | }\r |
3967 | \r | |
3968 | *StringId = HiiSetString (PrivateData->HiiHandle, 0, HelpInfoString, NULL);\r | |
85974aef | 3969 | ON_EXIT:\r |
85974aef | 3970 | SECUREBOOT_FREE_NON_NULL (DataString);\r |
85974aef | 3971 | SECUREBOOT_FREE_NON_NULL (HelpInfoString);\r |
3972 | \r | |
3539e850 | 3973 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
3974 | \r | |
85974aef | 3975 | return Status;\r |
3976 | }\r | |
3977 | \r | |
3978 | /**\r | |
ba562ca0 | 3979 | This function to load signature data under the signature list.\r |
85974aef | 3980 | \r |
3981 | @param[in] PrivateData Module's private data.\r | |
3982 | @param[in] LabelId Label number to insert opcodes.\r | |
3983 | @param[in] FormId Form ID of current page.\r | |
3984 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
3985 | @param[in] ListIndex Indicate to load which signature list.\r | |
3986 | \r | |
3987 | @retval EFI_SUCCESS Success to update the signature list page\r | |
3988 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3989 | **/\r | |
3990 | EFI_STATUS\r | |
3991 | LoadSignatureData (\r | |
3992 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
3993 | IN UINT16 LabelId,\r | |
3994 | IN EFI_FORM_ID FormId,\r | |
3995 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
3996 | IN UINT16 ListIndex\r | |
3997 | )\r | |
3998 | {\r | |
3999 | EFI_STATUS Status;\r | |
4000 | EFI_SIGNATURE_LIST *ListWalker;\r | |
4001 | EFI_SIGNATURE_DATA *DataWalker;\r | |
4002 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
4003 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
4004 | EFI_STRING_ID HelpStringId;\r | |
3539e850 | 4005 | EFI_STRING FormatNameString;\r |
85974aef | 4006 | VOID *StartOpCodeHandle;\r |
4007 | VOID *EndOpCodeHandle;\r | |
4008 | UINTN DataSize;\r | |
4009 | UINTN RemainingSize;\r | |
4010 | UINT16 Index;\r | |
4011 | UINT8 *VariableData;\r | |
65c77f02 | 4012 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
4013 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
85974aef | 4014 | \r |
4015 | Status = EFI_SUCCESS;\r | |
3539e850 | 4016 | FormatNameString = NULL;\r |
85974aef | 4017 | StartOpCodeHandle = NULL;\r |
4018 | EndOpCodeHandle = NULL;\r | |
4019 | Index = 0;\r | |
4020 | VariableData = NULL;\r | |
85974aef | 4021 | \r |
4022 | //\r | |
4023 | // Initialize the container for dynamic opcodes.\r | |
4024 | //\r | |
4025 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4026 | if (StartOpCodeHandle == NULL) {\r | |
4027 | Status = EFI_OUT_OF_RESOURCES;\r | |
4028 | goto ON_EXIT;\r | |
4029 | }\r | |
4030 | \r | |
4031 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4032 | if (EndOpCodeHandle == NULL) {\r | |
4033 | Status = EFI_OUT_OF_RESOURCES;\r | |
4034 | goto ON_EXIT;\r | |
4035 | }\r | |
4036 | \r | |
4037 | //\r | |
4038 | // Create Hii Extend Label OpCode.\r | |
4039 | //\r | |
4040 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4041 | StartOpCodeHandle,\r | |
4042 | &gEfiIfrTianoGuid,\r | |
4043 | NULL,\r | |
4044 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4045 | );\r | |
4046 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4047 | StartLabel->Number = LabelId;\r | |
4048 | \r | |
4049 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4050 | EndOpCodeHandle,\r | |
4051 | &gEfiIfrTianoGuid,\r | |
4052 | NULL,\r | |
4053 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4054 | );\r | |
4055 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4056 | EndLabel->Number = LABEL_END;\r | |
4057 | \r | |
0085d619 | 4058 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 4059 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 4060 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 4061 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 4062 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 4063 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 4064 | } else {\r |
4065 | goto ON_EXIT;\r | |
4066 | }\r | |
4067 | \r | |
4068 | //\r | |
4069 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
4070 | //\r | |
4071 | DataSize = 0;\r | |
4072 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
4073 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
4074 | goto ON_EXIT;\r | |
4075 | }\r | |
4076 | \r | |
4077 | VariableData = AllocateZeroPool (DataSize);\r | |
4078 | if (VariableData == NULL) {\r | |
4079 | Status = EFI_OUT_OF_RESOURCES;\r | |
4080 | goto ON_EXIT;\r | |
4081 | }\r | |
4082 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
4083 | if (EFI_ERROR (Status)) {\r | |
4084 | goto ON_EXIT;\r | |
4085 | }\r | |
4086 | \r | |
85974aef | 4087 | RemainingSize = DataSize;\r |
4088 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r | |
4089 | \r | |
4090 | //\r | |
4091 | // Skip signature list.\r | |
4092 | //\r | |
4093 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex-- > 0) {\r | |
4094 | RemainingSize -= ListWalker->SignatureListSize;\r | |
4095 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
4096 | }\r | |
4097 | \r | |
3539e850 | 4098 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_NAME_FORMAT), NULL);\r |
4099 | if (FormatNameString == NULL) {\r | |
4100 | goto ON_EXIT;\r | |
4101 | }\r | |
4102 | \r | |
85974aef | 4103 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof(EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
4104 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS(ListWalker); Index = Index + 1) {\r | |
4105 | //\r | |
4106 | // Format name buffer.\r | |
4107 | //\r | |
65c77f02 | 4108 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 4109 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
85974aef | 4110 | \r |
4111 | //\r | |
4112 | // Format help info buffer.\r | |
4113 | //\r | |
4114 | Status = FormatHelpInfo (PrivateData, ListWalker, DataWalker, &HelpStringId);\r | |
4115 | if (EFI_ERROR (Status)) {\r | |
4116 | goto ON_EXIT;\r | |
4117 | }\r | |
4118 | \r | |
4119 | HiiCreateCheckBoxOpCode (\r | |
4120 | StartOpCodeHandle,\r | |
4121 | (EFI_QUESTION_ID)(QuestionIdBase + Index),\r | |
4122 | 0,\r | |
4123 | 0,\r | |
4124 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
4125 | HelpStringId,\r | |
4126 | EFI_IFR_FLAG_CALLBACK,\r | |
4127 | 0,\r | |
4128 | NULL\r | |
4129 | );\r | |
4130 | \r | |
4131 | ZeroMem(NameBuffer, 100);\r | |
4132 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r | |
4133 | }\r | |
4134 | \r | |
4135 | //\r | |
4136 | // Allocate a buffer to record which signature data will be checked.\r | |
4137 | // This memory buffer will be freed when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
4138 | //\r | |
4139 | PrivateData->CheckArray = AllocateZeroPool (SIGNATURE_DATA_COUNTS (ListWalker) * sizeof (BOOLEAN));\r | |
85974aef | 4140 | ON_EXIT:\r |
4141 | HiiUpdateForm (\r | |
4142 | PrivateData->HiiHandle,\r | |
4143 | &gSecureBootConfigFormSetGuid,\r | |
4144 | FormId,\r | |
4145 | StartOpCodeHandle,\r | |
4146 | EndOpCodeHandle\r | |
4147 | );\r | |
4148 | \r | |
4149 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
4150 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
4151 | \r | |
85974aef | 4152 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 4153 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
85974aef | 4154 | \r |
4155 | return Status;\r | |
4156 | }\r | |
4157 | \r | |
beda2356 | 4158 | /**\r |
ecc722ad | 4159 | This function is called to provide results data to the driver.\r |
beda2356 | 4160 | \r |
4161 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
4162 | @param[in] Action Specifies the type of action taken by the browser.\r | |
4163 | @param[in] QuestionId A unique value which is sent to the original\r | |
4164 | exporting driver so that it can identify the type\r | |
4165 | of data to expect.\r | |
4166 | @param[in] Type The type of value for the question.\r | |
4167 | @param[in] Value A pointer to the data being sent to the original\r | |
4168 | exporting driver.\r | |
4169 | @param[out] ActionRequest On return, points to the action requested by the\r | |
4170 | callback function.\r | |
4171 | \r | |
4172 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
4173 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
4174 | variable and its data.\r | |
4175 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
4176 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
4177 | callback.\r | |
4178 | \r | |
4179 | **/\r | |
4180 | EFI_STATUS\r | |
4181 | EFIAPI\r | |
4182 | SecureBootCallback (\r | |
4183 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
4184 | IN EFI_BROWSER_ACTION Action,\r | |
4185 | IN EFI_QUESTION_ID QuestionId,\r | |
4186 | IN UINT8 Type,\r | |
4187 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
4188 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
4189 | )\r | |
4190 | {\r | |
ecc722ad | 4191 | EFI_INPUT_KEY Key;\r |
20333c6d | 4192 | EFI_STATUS Status;\r |
2a085774 | 4193 | RETURN_STATUS RStatus;\r |
ecc722ad | 4194 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r |
4195 | UINTN BufferSize;\r | |
4196 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
4197 | UINT16 LabelId;\r | |
bf4a3dbd | 4198 | UINT8 *SecureBootEnable;\r |
126f3b1d | 4199 | UINT8 *Pk;\r |
f71ed839 | 4200 | UINT8 *SecureBootMode;\r |
12087ff6 | 4201 | UINT8 *SetupMode;\r |
e4d7370d | 4202 | CHAR16 PromptString[100];\r |
762d8ddb | 4203 | EFI_DEVICE_PATH_PROTOCOL *File;\r |
4de754e1 ZC |
4204 | UINTN NameLength;\r |
4205 | UINT16 *FilePostFix;\r | |
4206 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
488aab25 | 4207 | BOOLEAN GetBrowserDataResult;\r |
5396354b | 4208 | ENROLL_KEY_ERROR EnrollKeyErrorCode;\r |
bf4a3dbd | 4209 | \r |
5396354b JG |
4210 | Status = EFI_SUCCESS;\r |
4211 | SecureBootEnable = NULL;\r | |
4212 | SecureBootMode = NULL;\r | |
4213 | SetupMode = NULL;\r | |
4214 | File = NULL;\r | |
4215 | EnrollKeyErrorCode = None_Error;\r | |
bc0c99b3 | 4216 | \r |
beda2356 | 4217 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
4218 | return EFI_INVALID_PARAMETER;\r | |
4219 | }\r | |
12087ff6 | 4220 | \r |
96832eef CZ |
4221 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
4222 | \r | |
762d8ddb DB |
4223 | gSecureBootPrivateData = Private;\r |
4224 | \r | |
96832eef CZ |
4225 | //\r |
4226 | // Retrieve uncommitted data from Browser\r | |
4227 | //\r | |
4228 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
4229 | IfrNvData = AllocateZeroPool (BufferSize);\r | |
4230 | if (IfrNvData == NULL) {\r | |
4231 | return EFI_OUT_OF_RESOURCES;\r | |
4232 | }\r | |
4233 | \r | |
488aab25 | 4234 | GetBrowserDataResult = HiiGetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *) IfrNvData);\r |
beda2356 | 4235 | \r |
a365eed4 FS |
4236 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
4237 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
02dd6af9 CZ |
4238 | //\r |
4239 | // Update secure boot strings when opening this form\r | |
4240 | //\r | |
4241 | Status = UpdateSecureBootString(Private);\r | |
4de754e1 | 4242 | SecureBootExtractConfigFromVariable (Private, IfrNvData);\r |
a365eed4 | 4243 | mIsEnterSecureBootForm = TRUE;\r |
4de754e1 ZC |
4244 | } else {\r |
4245 | //\r | |
4246 | // When entering SecureBoot OPTION Form\r | |
4247 | // always close opened file & free resource\r | |
4248 | //\r | |
4249 | if ((QuestionId == KEY_SECURE_BOOT_PK_OPTION) ||\r | |
4250 | (QuestionId == KEY_SECURE_BOOT_KEK_OPTION) ||\r | |
4251 | (QuestionId == KEY_SECURE_BOOT_DB_OPTION) ||\r | |
4252 | (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) ||\r | |
4253 | (QuestionId == KEY_SECURE_BOOT_DBT_OPTION)) {\r | |
4254 | CloseEnrolledFile(Private->FileContext);\r | |
85974aef | 4255 | } else if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_LIST) {\r |
4256 | //\r | |
4257 | // Update ListCount field in varstore\r | |
4258 | // Button "Delete All Signature List" is\r | |
4259 | // enable when ListCount is greater than 0.\r | |
4260 | //\r | |
4261 | IfrNvData->ListCount = Private->ListCount;\r | |
4de754e1 | 4262 | }\r |
a365eed4 | 4263 | }\r |
96832eef | 4264 | goto EXIT;\r |
a365eed4 | 4265 | }\r |
20333c6d | 4266 | \r |
a365eed4 FS |
4267 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r |
4268 | Status = EFI_UNSUPPORTED;\r | |
4269 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
4270 | if (mIsEnterSecureBootForm) {\r | |
4271 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
4272 | Status = EFI_SUCCESS;\r | |
4273 | }\r | |
b3548d32 | 4274 | }\r |
96832eef | 4275 | goto EXIT;\r |
a365eed4 | 4276 | }\r |
20333c6d | 4277 | \r |
f71ed839 | 4278 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
4279 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 4280 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
4281 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD)) {\r | |
96832eef CZ |
4282 | Status = EFI_UNSUPPORTED;\r |
4283 | goto EXIT;\r | |
beda2356 | 4284 | }\r |
bc0c99b3 | 4285 | \r |
ecc722ad | 4286 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r |
4287 | \r | |
4288 | switch (QuestionId) {\r | |
4289 | case KEY_SECURE_BOOT_ENABLE:\r | |
f01b91ae | 4290 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
bf4a3dbd | 4291 | if (NULL != SecureBootEnable) {\r |
f71ed839 | 4292 | FreePool (SecureBootEnable);\r |
ecc722ad | 4293 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r |
4294 | CreatePopUp (\r | |
4295 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4296 | &Key,\r | |
4297 | L"Only Physical Presence User could disable secure boot!",\r | |
4298 | NULL\r | |
4299 | );\r | |
4300 | Status = EFI_UNSUPPORTED;\r | |
0357efe3 | 4301 | } else {\r |
4302 | CreatePopUp (\r | |
4303 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4304 | &Key,\r | |
f71ed839 | 4305 | L"Configuration changed, please reset the platform to take effect!",\r |
0357efe3 | 4306 | NULL\r |
4307 | );\r | |
ecc722ad | 4308 | }\r |
ecc722ad | 4309 | }\r |
4310 | break;\r | |
4311 | \r | |
ecc722ad | 4312 | case KEY_SECURE_BOOT_KEK_OPTION:\r |
4313 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
4314 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
20333c6d | 4315 | case KEY_SECURE_BOOT_DBT_OPTION:\r |
4de754e1 | 4316 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
ecc722ad | 4317 | //\r |
4318 | // Clear Signature GUID.\r | |
4319 | //\r | |
4320 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
4321 | if (Private->SignatureGUID == NULL) {\r | |
4322 | Private->SignatureGUID = (EFI_GUID *) AllocateZeroPool (sizeof (EFI_GUID));\r | |
4323 | if (Private->SignatureGUID == NULL) {\r | |
4324 | return EFI_OUT_OF_RESOURCES;\r | |
4325 | }\r | |
4326 | }\r | |
beda2356 | 4327 | \r |
4de754e1 ZC |
4328 | //\r |
4329 | // Cleanup VFRData once leaving PK/KEK/DB/DBX/DBT enroll/delete page\r | |
4330 | //\r | |
4331 | SecureBootExtractConfigFromVariable (PrivateData, IfrNvData);\r | |
4332 | \r | |
ecc722ad | 4333 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r |
4334 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
4335 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
4336 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
20333c6d QL |
4337 | } else if (QuestionId == KEY_SECURE_BOOT_DBT_OPTION) {\r |
4338 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;\r | |
ecc722ad | 4339 | } else {\r |
4340 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
4341 | }\r | |
4342 | \r | |
4343 | //\r | |
4344 | // Refresh selected file.\r | |
4345 | //\r | |
20333c6d | 4346 | CleanUpPage (LabelId, Private);\r |
ecc722ad | 4347 | break;\r |
762d8ddb DB |
4348 | case KEY_SECURE_BOOT_PK_OPTION:\r |
4349 | LabelId = FORMID_ENROLL_PK_FORM;\r | |
4350 | //\r | |
4351 | // Refresh selected file.\r | |
4352 | //\r | |
4353 | CleanUpPage (LabelId, Private);\r | |
4354 | break;\r | |
4355 | \r | |
4356 | case FORMID_ENROLL_PK_FORM:\r | |
d6224153 | 4357 | ChooseFile (NULL, NULL, UpdatePKFromFile, &File);\r |
762d8ddb | 4358 | break;\r |
20333c6d | 4359 | \r |
ecc722ad | 4360 | case FORMID_ENROLL_KEK_FORM:\r |
d6224153 | 4361 | ChooseFile (NULL, NULL, UpdateKEKFromFile, &File);\r |
762d8ddb DB |
4362 | break;\r |
4363 | \r | |
ecc722ad | 4364 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r |
d6224153 | 4365 | ChooseFile (NULL, NULL, UpdateDBFromFile, &File);\r |
762d8ddb DB |
4366 | break;\r |
4367 | \r | |
ecc722ad | 4368 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r |
d6224153 | 4369 | ChooseFile (NULL, NULL, UpdateDBXFromFile, &File);\r |
4de754e1 ZC |
4370 | \r |
4371 | if (Private->FileContext->FHandle != NULL) {\r | |
4372 | //\r | |
4373 | // Parse the file's postfix.\r | |
4374 | //\r | |
4375 | NameLength = StrLen (Private->FileContext->FileName);\r | |
4376 | if (NameLength <= 4) {\r | |
4377 | return FALSE;\r | |
4378 | }\r | |
4379 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
4380 | \r | |
4381 | if (IsDerEncodeCertificate (FilePostFix)) {\r | |
4382 | //\r | |
4383 | // Supports DER-encoded X509 certificate.\r | |
4384 | //\r | |
4385 | IfrNvData->FileEnrollType = X509_CERT_FILE_TYPE;\r | |
4386 | } else if (IsAuthentication2Format(Private->FileContext->FHandle)){\r | |
4387 | IfrNvData->FileEnrollType = AUTHENTICATION_2_FILE_TYPE;\r | |
4388 | } else {\r | |
4389 | IfrNvData->FileEnrollType = PE_IMAGE_FILE_TYPE;\r | |
4390 | }\r | |
4391 | Private->FileContext->FileType = IfrNvData->FileEnrollType;\r | |
4392 | \r | |
4393 | //\r | |
4394 | // Clean up Certificate Format if File type is not X509 DER\r | |
4395 | //\r | |
4396 | if (IfrNvData->FileEnrollType != X509_CERT_FILE_TYPE) {\r | |
4397 | IfrNvData->CertificateFormat = HASHALG_RAW;\r | |
4398 | }\r | |
4399 | DEBUG((DEBUG_ERROR, "IfrNvData->FileEnrollType %d\n", Private->FileContext->FileType));\r | |
4400 | }\r | |
4401 | \r | |
762d8ddb | 4402 | break;\r |
ecc722ad | 4403 | \r |
762d8ddb | 4404 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBT:\r |
d6224153 | 4405 | ChooseFile (NULL, NULL, UpdateDBTFromFile, &File);\r |
ecc722ad | 4406 | break;\r |
4407 | \r | |
20333c6d | 4408 | case KEY_SECURE_BOOT_DELETE_PK:\r |
f71ed839 | 4409 | if (Value->u8) {\r |
4410 | CreatePopUp (\r | |
4411 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4412 | &Key,\r | |
4413 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
4414 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
4415 | NULL\r | |
4416 | );\r | |
4417 | if (Key.UnicodeChar == 'y' || Key.UnicodeChar == 'Y') {\r | |
ecc722ad | 4418 | Status = DeletePlatformKey ();\r |
f71ed839 | 4419 | if (EFI_ERROR (Status)) {\r |
4420 | CreatePopUp (\r | |
4421 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4422 | &Key,\r | |
4423 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
4424 | NULL\r | |
4425 | );\r | |
4426 | }\r | |
ecc722ad | 4427 | }\r |
f71ed839 | 4428 | }\r |
ecc722ad | 4429 | break;\r |
4430 | \r | |
4431 | case KEY_DELETE_KEK:\r | |
4432 | UpdateDeletePage (\r | |
20333c6d | 4433 | Private,\r |
ecc722ad | 4434 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
4435 | &gEfiGlobalVariableGuid,\r | |
4436 | LABEL_KEK_DELETE,\r | |
4437 | FORMID_DELETE_KEK_FORM,\r | |
20333c6d | 4438 | OPTION_DEL_KEK_QUESTION_ID\r |
ecc722ad | 4439 | );\r |
4440 | break;\r | |
4441 | \r | |
20333c6d | 4442 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB:\r |
ecc722ad | 4443 | UpdateDeletePage (\r |
4444 | Private,\r | |
4445 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4446 | &gEfiImageSecurityDatabaseGuid,\r | |
4447 | LABEL_DB_DELETE,\r | |
4448 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
4449 | OPTION_DEL_DB_QUESTION_ID\r | |
4450 | );\r | |
4451 | break;\r | |
4452 | \r | |
85974aef | 4453 | //\r |
4454 | // From DBX option to the level-1 form, display signature list.\r | |
4455 | //\r | |
4456 | case KEY_VALUE_FROM_DBX_TO_LIST_FORM:\r | |
0085d619 | 4457 | Private->VariableName = Variable_DBX;\r |
85974aef | 4458 | LoadSignatureList (\r |
ecc722ad | 4459 | Private,\r |
85974aef | 4460 | LABEL_SIGNATURE_LIST_START,\r |
4461 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4462 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4463 | );\r | |
4464 | break;\r | |
4465 | \r | |
4466 | //\r | |
4467 | // Delete all signature list and reload.\r | |
4468 | //\r | |
4469 | case KEY_SECURE_BOOT_DELETE_ALL_LIST:\r | |
4470 | CreatePopUp(\r | |
4471 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4472 | &Key,\r | |
4473 | L"Press 'Y' to delete signature list.",\r | |
4474 | L"Press other key to cancel and exit.",\r | |
4475 | NULL\r | |
4476 | );\r | |
4477 | \r | |
4478 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4479 | DeleteSignatureEx (Private, Delete_Signature_List_All, IfrNvData->CheckedDataCount);\r |
85974aef | 4480 | }\r |
4481 | \r | |
4482 | LoadSignatureList (\r | |
4483 | Private,\r | |
4484 | LABEL_SIGNATURE_LIST_START,\r | |
4485 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4486 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4487 | );\r | |
4488 | break;\r | |
ecc722ad | 4489 | \r |
85974aef | 4490 | //\r |
4491 | // Delete one signature list and reload.\r | |
4492 | //\r | |
4493 | case KEY_SECURE_BOOT_DELETE_ALL_DATA:\r | |
4494 | CreatePopUp(\r | |
4495 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4496 | &Key,\r | |
4497 | L"Press 'Y' to delete signature data.",\r | |
4498 | L"Press other key to cancel and exit.",\r | |
4499 | NULL\r | |
4500 | );\r | |
4501 | \r | |
4502 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4503 | DeleteSignatureEx (Private, Delete_Signature_List_One, IfrNvData->CheckedDataCount);\r |
85974aef | 4504 | }\r |
4505 | \r | |
4506 | LoadSignatureList (\r | |
4507 | Private,\r | |
4508 | LABEL_SIGNATURE_LIST_START,\r | |
4509 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4510 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4511 | );\r | |
4512 | break;\r | |
4513 | \r | |
4514 | //\r | |
4515 | // Delete checked signature data and reload.\r | |
4516 | //\r | |
4517 | case KEY_SECURE_BOOT_DELETE_CHECK_DATA:\r | |
4518 | CreatePopUp(\r | |
4519 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4520 | &Key,\r | |
4521 | L"Press 'Y' to delete signature data.",\r | |
4522 | L"Press other key to cancel and exit.",\r | |
4523 | NULL\r | |
4524 | );\r | |
4525 | \r | |
4526 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4527 | DeleteSignatureEx (Private, Delete_Signature_Data, IfrNvData->CheckedDataCount);\r |
85974aef | 4528 | }\r |
4529 | \r | |
4530 | LoadSignatureList (\r | |
4531 | Private,\r | |
4532 | LABEL_SIGNATURE_LIST_START,\r | |
4533 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4534 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4535 | );\r | |
ecc722ad | 4536 | break;\r |
4537 | \r | |
20333c6d QL |
4538 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBT:\r |
4539 | UpdateDeletePage (\r | |
4540 | Private,\r | |
4541 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4542 | &gEfiImageSecurityDatabaseGuid,\r | |
4543 | LABEL_DBT_DELETE,\r | |
4544 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
4545 | OPTION_DEL_DBT_QUESTION_ID\r | |
4546 | );\r | |
4547 | \r | |
4548 | break;\r | |
4549 | \r | |
ecc722ad | 4550 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r |
4551 | Status = EnrollKeyExchangeKey (Private);\r | |
ee79ac8d | 4552 | if (EFI_ERROR (Status)) {\r |
4553 | CreatePopUp (\r | |
4554 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4555 | &Key,\r | |
4556 | L"ERROR: Unsupported file type!",\r | |
4557 | L"Only supports DER-encoded X509 certificate",\r | |
4558 | NULL\r | |
4559 | );\r | |
4560 | }\r | |
ecc722ad | 4561 | break;\r |
4562 | \r | |
4563 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
4564 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
ee79ac8d | 4565 | if (EFI_ERROR (Status)) {\r |
4566 | CreatePopUp (\r | |
4567 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4568 | &Key,\r | |
4569 | L"ERROR: Unsupported file type!",\r | |
4570 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
4571 | NULL\r | |
4572 | );\r | |
4573 | }\r | |
ecc722ad | 4574 | break;\r |
4575 | \r | |
4576 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
20333c6d QL |
4577 | if (IsX509CertInDbx (Private, EFI_IMAGE_SECURITY_DATABASE1)) {\r |
4578 | CreatePopUp (\r | |
4579 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4580 | &Key,\r | |
4581 | L"Enrollment failed! Same certificate had already been in the dbx!",\r | |
4582 | NULL\r | |
4583 | );\r | |
4de754e1 ZC |
4584 | \r |
4585 | //\r | |
4586 | // Cert already exists in DBX. Close opened file before exit.\r | |
4587 | //\r | |
4588 | CloseEnrolledFile(Private->FileContext);\r | |
4589 | break;\r | |
20333c6d QL |
4590 | }\r |
4591 | \r | |
4592 | if ((IfrNvData != NULL) && (IfrNvData->CertificateFormat < HASHALG_MAX)) {\r | |
4593 | Status = EnrollX509HashtoSigDB (\r | |
4594 | Private,\r | |
4595 | IfrNvData->CertificateFormat,\r | |
4596 | &IfrNvData->RevocationDate,\r | |
4597 | &IfrNvData->RevocationTime,\r | |
4598 | IfrNvData->AlwaysRevocation\r | |
4599 | );\r | |
4de754e1 | 4600 | IfrNvData->CertificateFormat = HASHALG_RAW;\r |
20333c6d QL |
4601 | } else {\r |
4602 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
4603 | }\r | |
ee79ac8d | 4604 | if (EFI_ERROR (Status)) {\r |
4605 | CreatePopUp (\r | |
4606 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4607 | &Key,\r | |
4608 | L"ERROR: Unsupported file type!",\r | |
4de754e1 | 4609 | L"Only supports DER-encoded X509 certificate, AUTH_2 format data & executable EFI image",\r |
ee79ac8d | 4610 | NULL\r |
4611 | );\r | |
4612 | }\r | |
ecc722ad | 4613 | break;\r |
4614 | \r | |
20333c6d QL |
4615 | case KEY_VALUE_SAVE_AND_EXIT_DBT:\r |
4616 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE2);\r | |
4617 | if (EFI_ERROR (Status)) {\r | |
4618 | CreatePopUp (\r | |
4619 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4620 | &Key,\r | |
4621 | L"ERROR: Unsupported file type!",\r | |
4622 | L"Only supports DER-encoded X509 certificate.",\r | |
4623 | NULL\r | |
4624 | );\r | |
4625 | }\r | |
4626 | break;\r | |
762d8ddb | 4627 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r |
5396354b JG |
4628 | //\r |
4629 | // Check the suffix, encode type and the key strength of PK certificate.\r | |
4630 | //\r | |
4631 | Status = CheckX509Certificate (Private->FileContext, &EnrollKeyErrorCode);\r | |
4632 | if (EFI_ERROR (Status)) {\r | |
4633 | if (EnrollKeyErrorCode != None_Error && EnrollKeyErrorCode < Enroll_Error_Max) {\r | |
4634 | CreatePopUp (\r | |
4635 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4636 | &Key,\r | |
4637 | mX509EnrollPromptTitle[EnrollKeyErrorCode],\r | |
4638 | mX509EnrollPromptString[EnrollKeyErrorCode],\r | |
4639 | NULL\r | |
4640 | );\r | |
4641 | break;\r | |
4642 | }\r | |
4643 | } else {\r | |
4644 | Status = EnrollPlatformKey (Private);\r | |
4645 | }\r | |
762d8ddb DB |
4646 | if (EFI_ERROR (Status)) {\r |
4647 | UnicodeSPrint (\r | |
4648 | PromptString,\r | |
4649 | sizeof (PromptString),\r | |
5396354b JG |
4650 | L"Error status: %x.",\r |
4651 | Status\r | |
762d8ddb DB |
4652 | );\r |
4653 | CreatePopUp (\r | |
4654 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4655 | &Key,\r | |
5396354b | 4656 | L"ERROR: Enrollment failed!",\r |
762d8ddb DB |
4657 | PromptString,\r |
4658 | NULL\r | |
4659 | );\r | |
4660 | }\r | |
4661 | break;\r | |
ecc722ad | 4662 | default:\r |
762d8ddb | 4663 | if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r |
ecc722ad | 4664 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r |
4665 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
4666 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
4667 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4668 | DeleteSignature (\r | |
4669 | Private,\r | |
4670 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4671 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 4672 | LABEL_DB_DELETE,\r |
ecc722ad | 4673 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r |
4674 | OPTION_DEL_DB_QUESTION_ID,\r | |
4675 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
4676 | );\r | |
85974aef | 4677 | } else if ((QuestionId >= OPTION_SIGNATURE_LIST_QUESTION_ID) &&\r |
4678 | (QuestionId < (OPTION_SIGNATURE_LIST_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4679 | LoadSignatureData (\r | |
ecc722ad | 4680 | Private,\r |
85974aef | 4681 | LABEL_SIGNATURE_DATA_START,\r |
4682 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
4683 | OPTION_SIGNATURE_DATA_QUESTION_ID,\r | |
4684 | QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4685 | );\r | |
4686 | Private->ListIndex = QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID;\r | |
4687 | } else if ((QuestionId >= OPTION_SIGNATURE_DATA_QUESTION_ID) &&\r | |
4688 | (QuestionId < (OPTION_SIGNATURE_DATA_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4689 | if (Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID]) {\r | |
4690 | IfrNvData->CheckedDataCount--;\r | |
4691 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = FALSE;\r | |
4692 | } else {\r | |
4693 | IfrNvData->CheckedDataCount++;\r | |
4694 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = TRUE;\r | |
4695 | }\r | |
20333c6d QL |
4696 | } else if ((QuestionId >= OPTION_DEL_DBT_QUESTION_ID) &&\r |
4697 | (QuestionId < (OPTION_DEL_DBT_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4698 | DeleteSignature (\r | |
4699 | Private,\r | |
4700 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4701 | &gEfiImageSecurityDatabaseGuid,\r | |
4702 | LABEL_DBT_DELETE,\r | |
4703 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
4704 | OPTION_DEL_DBT_QUESTION_ID,\r | |
4705 | QuestionId - OPTION_DEL_DBT_QUESTION_ID\r | |
4706 | );\r | |
ecc722ad | 4707 | }\r |
4708 | break;\r | |
ecc722ad | 4709 | \r |
4710 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
4711 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
4712 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
4713 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
20333c6d | 4714 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBT:\r |
4de754e1 | 4715 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d | 4716 | \r |
ecc722ad | 4717 | if (Private->SignatureGUID != NULL) {\r |
4718 | FreePool (Private->SignatureGUID);\r | |
4719 | Private->SignatureGUID = NULL;\r | |
4720 | }\r | |
ecc722ad | 4721 | break;\r |
762d8ddb DB |
4722 | }\r |
4723 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
4724 | switch (QuestionId) {\r | |
4725 | case KEY_SECURE_BOOT_ENABLE:\r | |
4726 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4727 | break;\r | |
ecc722ad | 4728 | case KEY_SECURE_BOOT_MODE:\r |
a365eed4 | 4729 | mIsEnterSecureBootForm = FALSE;\r |
ecc722ad | 4730 | break;\r |
ecc722ad | 4731 | case KEY_SECURE_BOOT_KEK_GUID:\r |
4732 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
4733 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
20333c6d | 4734 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBT:\r |
ecc722ad | 4735 | ASSERT (Private->SignatureGUID != NULL);\r |
2a085774 RN |
4736 | RStatus = StrToGuid (IfrNvData->SignatureGuid, Private->SignatureGUID);\r |
4737 | if (RETURN_ERROR (RStatus) || (IfrNvData->SignatureGuid[GUID_STRING_LENGTH] != L'\0')) {\r | |
4738 | Status = EFI_INVALID_PARAMETER;\r | |
ecc722ad | 4739 | break;\r |
4740 | }\r | |
4741 | \r | |
4742 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4743 | break;\r | |
ecc722ad | 4744 | case KEY_SECURE_BOOT_DELETE_PK:\r |
12087ff6 ZC |
4745 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
4746 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
f71ed839 | 4747 | IfrNvData->DeletePk = TRUE;\r |
4748 | IfrNvData->HasPk = FALSE;\r | |
ecc722ad | 4749 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r |
f71ed839 | 4750 | } else {\r |
4751 | IfrNvData->DeletePk = FALSE;\r | |
4752 | IfrNvData->HasPk = TRUE;\r | |
4753 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4754 | }\r | |
12087ff6 ZC |
4755 | if (SetupMode != NULL) {\r |
4756 | FreePool (SetupMode);\r | |
4757 | }\r | |
c93bcb7e ED |
4758 | break;\r |
4759 | default:\r | |
c93bcb7e | 4760 | break;\r |
ecc722ad | 4761 | }\r |
a2f2c258 | 4762 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
4763 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
126f3b1d ZC |
4764 | GetVariable2 (EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid, (VOID**)&Pk, NULL);\r |
4765 | if (Pk == NULL) {\r | |
a2f2c258 | 4766 | IfrNvData->HideSecureBoot = TRUE;\r |
4767 | } else {\r | |
126f3b1d | 4768 | FreePool (Pk);\r |
a2f2c258 | 4769 | IfrNvData->HideSecureBoot = FALSE;\r |
4770 | }\r | |
4771 | Value->b = IfrNvData->HideSecureBoot;\r | |
4772 | }\r | |
f71ed839 | 4773 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
4774 | //\r | |
4775 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
4776 | //\r | |
4777 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
4778 | if (NULL != SecureBootMode && *SecureBootMode == CUSTOM_SECURE_BOOT_MODE) {\r | |
4779 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
4780 | SetSecureBootMode(STANDARD_SECURE_BOOT_MODE);\r | |
4781 | }\r | |
4782 | if (SecureBootMode != NULL) {\r | |
4783 | FreePool (SecureBootMode);\r | |
4784 | }\r | |
85974aef | 4785 | \r |
4786 | if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_DATA) {\r | |
4787 | //\r | |
4788 | // Free memory when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
4789 | //\r | |
4790 | SECUREBOOT_FREE_NON_NULL (Private->CheckArray);\r | |
4791 | IfrNvData->CheckedDataCount = 0;\r | |
4792 | }\r | |
ecc722ad | 4793 | }\r |
20333c6d | 4794 | \r |
96832eef CZ |
4795 | EXIT:\r |
4796 | \r | |
488aab25 | 4797 | if (!EFI_ERROR (Status) && GetBrowserDataResult) {\r |
ecc722ad | 4798 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
742d9b3a | 4799 | HiiSetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8*) IfrNvData, NULL);\r |
ecc722ad | 4800 | }\r |
96832eef | 4801 | \r |
ecc722ad | 4802 | FreePool (IfrNvData);\r |
20333c6d | 4803 | \r |
762d8ddb DB |
4804 | if (File != NULL){\r |
4805 | FreePool(File);\r | |
4806 | File = NULL;\r | |
4807 | }\r | |
4808 | \r | |
ecc722ad | 4809 | return EFI_SUCCESS;\r |
beda2356 | 4810 | }\r |
4811 | \r | |
4812 | /**\r | |
4813 | This function publish the SecureBoot configuration Form.\r | |
4814 | \r | |
4815 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
4816 | \r | |
ecc722ad | 4817 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 4818 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
4819 | @retval Others Other errors as indicated.\r | |
4820 | \r | |
4821 | **/\r | |
4822 | EFI_STATUS\r | |
4823 | InstallSecureBootConfigForm (\r | |
4824 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
4825 | )\r | |
4826 | {\r | |
4827 | EFI_STATUS Status;\r | |
4828 | EFI_HII_HANDLE HiiHandle;\r | |
4829 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 4830 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
4831 | \r | |
4832 | DriverHandle = NULL;\r | |
4833 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
4834 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
4835 | &DriverHandle,\r | |
4836 | &gEfiDevicePathProtocolGuid,\r | |
4837 | &mSecureBootHiiVendorDevicePath,\r | |
4838 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4839 | ConfigAccess,\r | |
4840 | NULL\r | |
4841 | );\r | |
4842 | if (EFI_ERROR (Status)) {\r | |
4843 | return Status;\r | |
4844 | }\r | |
4845 | \r | |
4846 | PrivateData->DriverHandle = DriverHandle;\r | |
4847 | \r | |
4848 | //\r | |
4849 | // Publish the HII package list\r | |
4850 | //\r | |
4851 | HiiHandle = HiiAddPackages (\r | |
4852 | &gSecureBootConfigFormSetGuid,\r | |
4853 | DriverHandle,\r | |
4854 | SecureBootConfigDxeStrings,\r | |
4855 | SecureBootConfigBin,\r | |
4856 | NULL\r | |
4857 | );\r | |
4858 | if (HiiHandle == NULL) {\r | |
4859 | gBS->UninstallMultipleProtocolInterfaces (\r | |
4860 | DriverHandle,\r | |
4861 | &gEfiDevicePathProtocolGuid,\r | |
4862 | &mSecureBootHiiVendorDevicePath,\r | |
4863 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4864 | ConfigAccess,\r | |
4865 | NULL\r | |
bc0c99b3 | 4866 | );\r |
beda2356 | 4867 | return EFI_OUT_OF_RESOURCES;\r |
4868 | }\r | |
bc0c99b3 | 4869 | \r |
beda2356 | 4870 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 4871 | \r |
4872 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
20333c6d | 4873 | \r |
762d8ddb | 4874 | if (PrivateData->FileContext == NULL) {\r |
ecc722ad | 4875 | UninstallSecureBootConfigForm (PrivateData);\r |
4876 | return EFI_OUT_OF_RESOURCES;\r | |
4877 | }\r | |
20333c6d | 4878 | \r |
ecc722ad | 4879 | //\r |
4880 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
4881 | //\r | |
4882 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4883 | if (mStartOpCodeHandle == NULL) {\r | |
4884 | UninstallSecureBootConfigForm (PrivateData);\r | |
4885 | return EFI_OUT_OF_RESOURCES;\r | |
4886 | }\r | |
4887 | \r | |
4888 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4889 | if (mEndOpCodeHandle == NULL) {\r | |
4890 | UninstallSecureBootConfigForm (PrivateData);\r | |
4891 | return EFI_OUT_OF_RESOURCES;\r | |
4892 | }\r | |
4893 | \r | |
4894 | //\r | |
4895 | // Create Hii Extend Label OpCode as the start opcode\r | |
4896 | //\r | |
4897 | mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
4898 | mStartOpCodeHandle,\r | |
4899 | &gEfiIfrTianoGuid,\r | |
4900 | NULL,\r | |
4901 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4902 | );\r | |
4903 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4904 | \r | |
4905 | //\r | |
4906 | // Create Hii Extend Label OpCode as the end opcode\r | |
4907 | //\r | |
4908 | mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
4909 | mEndOpCodeHandle,\r | |
4910 | &gEfiIfrTianoGuid,\r | |
4911 | NULL,\r | |
4912 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4913 | );\r | |
4914 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4915 | mEndLabel->Number = LABEL_END;\r | |
20333c6d | 4916 | \r |
bc0c99b3 | 4917 | return EFI_SUCCESS;\r |
beda2356 | 4918 | }\r |
4919 | \r | |
4920 | /**\r | |
4921 | This function removes SecureBoot configuration Form.\r | |
4922 | \r | |
4923 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
4924 | \r | |
4925 | **/\r | |
4926 | VOID\r | |
4927 | UninstallSecureBootConfigForm (\r | |
4928 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
4929 | )\r | |
4930 | {\r | |
4931 | //\r | |
4932 | // Uninstall HII package list\r | |
4933 | //\r | |
4934 | if (PrivateData->HiiHandle != NULL) {\r | |
4935 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
4936 | PrivateData->HiiHandle = NULL;\r | |
4937 | }\r | |
4938 | \r | |
4939 | //\r | |
4940 | // Uninstall HII Config Access Protocol\r | |
4941 | //\r | |
4942 | if (PrivateData->DriverHandle != NULL) {\r | |
4943 | gBS->UninstallMultipleProtocolInterfaces (\r | |
4944 | PrivateData->DriverHandle,\r | |
4945 | &gEfiDevicePathProtocolGuid,\r | |
4946 | &mSecureBootHiiVendorDevicePath,\r | |
4947 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4948 | &PrivateData->ConfigAccess,\r | |
4949 | NULL\r | |
4950 | );\r | |
4951 | PrivateData->DriverHandle = NULL;\r | |
4952 | }\r | |
bc0c99b3 | 4953 | \r |
ecc722ad | 4954 | if (PrivateData->SignatureGUID != NULL) {\r |
4955 | FreePool (PrivateData->SignatureGUID);\r | |
4956 | }\r | |
4957 | \r | |
ecc722ad | 4958 | if (PrivateData->FileContext != NULL) {\r |
4959 | FreePool (PrivateData->FileContext);\r | |
4960 | }\r | |
4961 | \r | |
beda2356 | 4962 | FreePool (PrivateData);\r |
ecc722ad | 4963 | \r |
ecc722ad | 4964 | if (mStartOpCodeHandle != NULL) {\r |
4965 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
4966 | }\r | |
4967 | \r | |
4968 | if (mEndOpCodeHandle != NULL) {\r | |
4969 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
4970 | }\r | |
beda2356 | 4971 | }\r |