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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 |
beda2356 | 12 | \r |
ecc722ad | 13 | CHAR16 mSecureBootStorageName[] = L"SECUREBOOT_CONFIGURATION";\r |
beda2356 | 14 | \r |
15 | SECUREBOOT_CONFIG_PRIVATE_DATA mSecureBootConfigPrivateDateTemplate = {\r | |
20333c6d | 16 | SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE,\r |
beda2356 | 17 | {\r |
18 | SecureBootExtractConfig,\r | |
19 | SecureBootRouteConfig,\r | |
20 | SecureBootCallback\r | |
21 | }\r | |
22 | };\r | |
23 | \r | |
24 | HII_VENDOR_DEVICE_PATH mSecureBootHiiVendorDevicePath = {\r | |
25 | {\r | |
26 | {\r | |
27 | HARDWARE_DEVICE_PATH,\r | |
28 | HW_VENDOR_DP,\r | |
29 | {\r | |
30 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
31 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
32 | }\r | |
33 | },\r | |
34 | SECUREBOOT_CONFIG_FORM_SET_GUID\r | |
35 | },\r | |
36 | {\r | |
37 | END_DEVICE_PATH_TYPE,\r | |
38 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
bc0c99b3 | 39 | {\r |
beda2356 | 40 | (UINT8) (END_DEVICE_PATH_LENGTH),\r |
41 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
42 | }\r | |
43 | }\r | |
44 | };\r | |
45 | \r | |
ecc722ad | 46 | \r |
a365eed4 FS |
47 | BOOLEAN mIsEnterSecureBootForm = FALSE;\r |
48 | \r | |
ecc722ad | 49 | //\r |
50 | // OID ASN.1 Value for Hash Algorithms\r | |
51 | //\r | |
52 | UINT8 mHashOidValue[] = {\r | |
53 | 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, // OBJ_md5\r | |
54 | 0x2B, 0x0E, 0x03, 0x02, 0x1A, // OBJ_sha1\r | |
55 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, // OBJ_sha224\r | |
56 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, // OBJ_sha256\r | |
57 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, // OBJ_sha384\r | |
58 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, // OBJ_sha512\r | |
59 | };\r | |
60 | \r | |
61 | HASH_TABLE mHash[] = {\r | |
20333c6d QL |
62 | { L"SHA224", 28, &mHashOidValue[13], 9, NULL, NULL, NULL, NULL },\r |
63 | { L"SHA256", 32, &mHashOidValue[22], 9, Sha256GetContextSize, Sha256Init, Sha256Update, Sha256Final},\r | |
64 | { L"SHA384", 48, &mHashOidValue[31], 9, Sha384GetContextSize, Sha384Init, Sha384Update, Sha384Final},\r | |
65 | { L"SHA512", 64, &mHashOidValue[40], 9, Sha512GetContextSize, Sha512Init, Sha512Update, Sha512Final}\r | |
ecc722ad | 66 | };\r |
67 | \r | |
e4d7370d | 68 | //\r |
20333c6d QL |
69 | // Variable Definitions\r |
70 | //\r | |
ecc722ad | 71 | UINT32 mPeCoffHeaderOffset = 0;\r |
72 | WIN_CERTIFICATE *mCertificate = NULL;\r | |
73 | IMAGE_TYPE mImageType;\r | |
74 | UINT8 *mImageBase = NULL;\r | |
75 | UINTN mImageSize = 0;\r | |
76 | UINT8 mImageDigest[MAX_DIGEST_SIZE];\r | |
77 | UINTN mImageDigestSize;\r | |
78 | EFI_GUID mCertType;\r | |
79 | EFI_IMAGE_SECURITY_DATA_DIRECTORY *mSecDataDir = NULL;\r | |
80 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION mNtHeader;\r | |
81 | \r | |
e4d7370d | 82 | //\r |
83 | // Possible DER-encoded certificate file suffixes, end with NULL pointer.\r | |
84 | //\r | |
85 | CHAR16* mDerEncodedSuffix[] = {\r | |
86 | L".cer",\r | |
87 | L".der",\r | |
88 | L".crt",\r | |
89 | NULL\r | |
90 | };\r | |
91 | CHAR16* mSupportX509Suffix = L"*.cer/der/crt";\r | |
92 | \r | |
762d8ddb DB |
93 | SECUREBOOT_CONFIG_PRIVATE_DATA *gSecureBootPrivateData = NULL;\r |
94 | \r | |
4de754e1 ZC |
95 | /**\r |
96 | This code cleans up enrolled file by closing file & free related resources attached to\r | |
9d9b8b77 | 97 | enrolled file.\r |
4de754e1 | 98 | \r |
9d9b8b77 | 99 | @param[in] FileContext FileContext cached in SecureBootConfig driver\r |
4de754e1 ZC |
100 | \r |
101 | **/\r | |
4de754e1 ZC |
102 | VOID\r |
103 | CloseEnrolledFile(\r | |
104 | IN SECUREBOOT_FILE_CONTEXT *FileContext\r | |
105 | )\r | |
106 | {\r | |
107 | if (FileContext->FHandle != NULL) {\r | |
108 | CloseFile (FileContext->FHandle);\r | |
109 | FileContext->FHandle = NULL;\r | |
110 | }\r | |
111 | \r | |
112 | if (FileContext->FileName != NULL){\r | |
113 | FreePool(FileContext->FileName);\r | |
114 | FileContext->FileName = NULL;\r | |
115 | }\r | |
116 | FileContext->FileType = UNKNOWN_FILE_TYPE;\r | |
117 | \r | |
118 | }\r | |
119 | \r | |
e4d7370d | 120 | /**\r |
121 | This code checks if the FileSuffix is one of the possible DER-encoded certificate suffix.\r | |
122 | \r | |
123 | @param[in] FileSuffix The suffix of the input certificate file\r | |
124 | \r | |
125 | @retval TRUE It's a DER-encoded certificate.\r | |
126 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
127 | \r | |
128 | **/\r | |
129 | BOOLEAN\r | |
130 | IsDerEncodeCertificate (\r | |
131 | IN CONST CHAR16 *FileSuffix\r | |
132 | )\r | |
133 | {\r | |
20333c6d | 134 | UINTN Index;\r |
e4d7370d | 135 | for (Index = 0; mDerEncodedSuffix[Index] != NULL; Index++) {\r |
136 | if (StrCmp (FileSuffix, mDerEncodedSuffix[Index]) == 0) {\r | |
137 | return TRUE;\r | |
138 | }\r | |
139 | }\r | |
140 | return FALSE;\r | |
141 | }\r | |
ecc722ad | 142 | \r |
4de754e1 ZC |
143 | /**\r |
144 | This code checks if the file content complies with EFI_VARIABLE_AUTHENTICATION_2 format\r | |
145 | The function reads file content but won't open/close given FileHandle.\r | |
146 | \r | |
147 | @param[in] FileHandle The FileHandle to be checked\r | |
148 | \r | |
149 | @retval TRUE The content is EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
150 | @retval FALSE The content is NOT a EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
151 | \r | |
152 | **/\r | |
153 | BOOLEAN\r | |
154 | IsAuthentication2Format (\r | |
155 | IN EFI_FILE_HANDLE FileHandle\r | |
156 | )\r | |
157 | {\r | |
158 | EFI_STATUS Status;\r | |
159 | EFI_VARIABLE_AUTHENTICATION_2 *Auth2;\r | |
160 | BOOLEAN IsAuth2Format;\r | |
161 | \r | |
162 | IsAuth2Format = FALSE;\r | |
163 | \r | |
164 | //\r | |
165 | // Read the whole file content\r | |
166 | //\r | |
167 | Status = ReadFileContent(\r | |
168 | FileHandle,\r | |
169 | (VOID **) &mImageBase,\r | |
170 | &mImageSize,\r | |
171 | 0\r | |
172 | );\r | |
173 | if (EFI_ERROR (Status)) {\r | |
174 | goto ON_EXIT;\r | |
175 | }\r | |
176 | \r | |
177 | Auth2 = (EFI_VARIABLE_AUTHENTICATION_2 *)mImageBase;\r | |
178 | if (Auth2->AuthInfo.Hdr.wCertificateType != WIN_CERT_TYPE_EFI_GUID) {\r | |
179 | goto ON_EXIT;\r | |
180 | }\r | |
181 | \r | |
182 | if (CompareGuid(&gEfiCertPkcs7Guid, &Auth2->AuthInfo.CertType)) {\r | |
183 | IsAuth2Format = TRUE;\r | |
184 | }\r | |
185 | \r | |
186 | ON_EXIT:\r | |
187 | //\r | |
188 | // Do not close File. simply check file content\r | |
189 | //\r | |
190 | if (mImageBase != NULL) {\r | |
191 | FreePool (mImageBase);\r | |
192 | mImageBase = NULL;\r | |
193 | }\r | |
194 | \r | |
195 | return IsAuth2Format;\r | |
196 | }\r | |
197 | \r | |
ecc722ad | 198 | /**\r |
199 | Set Secure Boot option into variable space.\r | |
200 | \r | |
201 | @param[in] VarValue The option of Secure Boot.\r | |
202 | \r | |
203 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
204 | @retval Others Other errors as indicated.\r | |
205 | \r | |
206 | **/\r | |
207 | EFI_STATUS\r | |
208 | SaveSecureBootVariable (\r | |
209 | IN UINT8 VarValue\r | |
210 | )\r | |
211 | {\r | |
212 | EFI_STATUS Status;\r | |
213 | \r | |
214 | Status = gRT->SetVariable (\r | |
215 | EFI_SECURE_BOOT_ENABLE_NAME,\r | |
216 | &gEfiSecureBootEnableDisableGuid,\r | |
217 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
218 | sizeof (UINT8),\r | |
219 | &VarValue\r | |
220 | );\r | |
221 | return Status;\r | |
222 | }\r | |
223 | \r | |
8c1babfd | 224 | /**\r |
225 | Create a time based data payload by concatenating the EFI_VARIABLE_AUTHENTICATION_2\r | |
226 | descriptor with the input data. NO authentication is required in this function.\r | |
20333c6d | 227 | \r |
8c1babfd | 228 | @param[in, out] DataSize On input, the size of Data buffer in bytes.\r |
229 | On output, the size of data returned in Data\r | |
230 | buffer in bytes.\r | |
20333c6d | 231 | @param[in, out] Data On input, Pointer to data buffer to be wrapped or\r |
8c1babfd | 232 | pointer to NULL to wrap an empty payload.\r |
233 | On output, Pointer to the new payload date buffer allocated from pool,\r | |
20333c6d | 234 | it's caller's responsibility to free the memory when finish using it.\r |
8c1babfd | 235 | \r |
236 | @retval EFI_SUCCESS Create time based payload successfully.\r | |
d6b926e7 | 237 | @retval EFI_OUT_OF_RESOURCES There are not enough memory resources to create time based payload.\r |
8c1babfd | 238 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r |
239 | @retval Others Unexpected error happens.\r | |
240 | \r | |
241 | **/\r | |
242 | EFI_STATUS\r | |
243 | CreateTimeBasedPayload (\r | |
244 | IN OUT UINTN *DataSize,\r | |
245 | IN OUT UINT8 **Data\r | |
246 | )\r | |
247 | {\r | |
248 | EFI_STATUS Status;\r | |
249 | UINT8 *NewData;\r | |
250 | UINT8 *Payload;\r | |
251 | UINTN PayloadSize;\r | |
252 | EFI_VARIABLE_AUTHENTICATION_2 *DescriptorData;\r | |
253 | UINTN DescriptorSize;\r | |
254 | EFI_TIME Time;\r | |
20333c6d | 255 | \r |
8c1babfd | 256 | if (Data == NULL || DataSize == NULL) {\r |
257 | return EFI_INVALID_PARAMETER;\r | |
258 | }\r | |
20333c6d | 259 | \r |
8c1babfd | 260 | //\r |
20333c6d | 261 | // In Setup mode or Custom mode, the variable does not need to be signed but the\r |
8c1babfd | 262 | // parameters to the SetVariable() call still need to be prepared as authenticated\r |
263 | // variable. So we create EFI_VARIABLE_AUTHENTICATED_2 descriptor without certificate\r | |
264 | // data in it.\r | |
265 | //\r | |
266 | Payload = *Data;\r | |
267 | PayloadSize = *DataSize;\r | |
20333c6d | 268 | \r |
8c1babfd | 269 | DescriptorSize = OFFSET_OF (EFI_VARIABLE_AUTHENTICATION_2, AuthInfo) + OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
270 | NewData = (UINT8*) AllocateZeroPool (DescriptorSize + PayloadSize);\r | |
271 | if (NewData == NULL) {\r | |
272 | return EFI_OUT_OF_RESOURCES;\r | |
273 | }\r | |
274 | \r | |
275 | if ((Payload != NULL) && (PayloadSize != 0)) {\r | |
276 | CopyMem (NewData + DescriptorSize, Payload, PayloadSize);\r | |
277 | }\r | |
278 | \r | |
279 | DescriptorData = (EFI_VARIABLE_AUTHENTICATION_2 *) (NewData);\r | |
280 | \r | |
281 | ZeroMem (&Time, sizeof (EFI_TIME));\r | |
282 | Status = gRT->GetTime (&Time, NULL);\r | |
283 | if (EFI_ERROR (Status)) {\r | |
284 | FreePool(NewData);\r | |
285 | return Status;\r | |
286 | }\r | |
287 | Time.Pad1 = 0;\r | |
288 | Time.Nanosecond = 0;\r | |
289 | Time.TimeZone = 0;\r | |
290 | Time.Daylight = 0;\r | |
291 | Time.Pad2 = 0;\r | |
292 | CopyMem (&DescriptorData->TimeStamp, &Time, sizeof (EFI_TIME));\r | |
20333c6d | 293 | \r |
8c1babfd | 294 | DescriptorData->AuthInfo.Hdr.dwLength = OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
295 | DescriptorData->AuthInfo.Hdr.wRevision = 0x0200;\r | |
296 | DescriptorData->AuthInfo.Hdr.wCertificateType = WIN_CERT_TYPE_EFI_GUID;\r | |
297 | CopyGuid (&DescriptorData->AuthInfo.CertType, &gEfiCertPkcs7Guid);\r | |
20333c6d | 298 | \r |
8c1babfd | 299 | if (Payload != NULL) {\r |
300 | FreePool(Payload);\r | |
301 | }\r | |
20333c6d | 302 | \r |
8c1babfd | 303 | *DataSize = DescriptorSize + PayloadSize;\r |
304 | *Data = NewData;\r | |
305 | return EFI_SUCCESS;\r | |
306 | }\r | |
307 | \r | |
ecc722ad | 308 | /**\r |
309 | Internal helper function to delete a Variable given its name and GUID, NO authentication\r | |
310 | required.\r | |
311 | \r | |
312 | @param[in] VariableName Name of the Variable.\r | |
313 | @param[in] VendorGuid GUID of the Variable.\r | |
314 | \r | |
315 | @retval EFI_SUCCESS Variable deleted successfully.\r | |
316 | @retval Others The driver failed to start the device.\r | |
317 | \r | |
318 | **/\r | |
319 | EFI_STATUS\r | |
320 | DeleteVariable (\r | |
321 | IN CHAR16 *VariableName,\r | |
322 | IN EFI_GUID *VendorGuid\r | |
323 | )\r | |
324 | {\r | |
325 | EFI_STATUS Status;\r | |
326 | VOID* Variable;\r | |
8c1babfd | 327 | UINT8 *Data;\r |
328 | UINTN DataSize;\r | |
329 | UINT32 Attr;\r | |
ecc722ad | 330 | \r |
bf4a3dbd | 331 | GetVariable2 (VariableName, VendorGuid, &Variable, NULL);\r |
ecc722ad | 332 | if (Variable == NULL) {\r |
333 | return EFI_SUCCESS;\r | |
334 | }\r | |
f71ed839 | 335 | FreePool (Variable);\r |
ecc722ad | 336 | \r |
8c1babfd | 337 | Data = NULL;\r |
338 | DataSize = 0;\r | |
339 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
340 | | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
ecc722ad | 341 | \r |
8c1babfd | 342 | Status = CreateTimeBasedPayload (&DataSize, &Data);\r |
343 | if (EFI_ERROR (Status)) {\r | |
344 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
345 | return Status;\r | |
ecc722ad | 346 | }\r |
347 | \r | |
8c1babfd | 348 | Status = gRT->SetVariable (\r |
349 | VariableName,\r | |
350 | VendorGuid,\r | |
351 | Attr,\r | |
352 | DataSize,\r | |
353 | Data\r | |
354 | );\r | |
355 | if (Data != NULL) {\r | |
356 | FreePool (Data);\r | |
ecc722ad | 357 | }\r |
ecc722ad | 358 | return Status;\r |
359 | }\r | |
360 | \r | |
f71ed839 | 361 | /**\r |
362 | \r | |
363 | Set the platform secure boot mode into "Custom" or "Standard" mode.\r | |
364 | \r | |
365 | @param[in] SecureBootMode New secure boot mode: STANDARD_SECURE_BOOT_MODE or\r | |
366 | CUSTOM_SECURE_BOOT_MODE.\r | |
20333c6d | 367 | \r |
f71ed839 | 368 | @return EFI_SUCCESS The platform has switched to the special mode successfully.\r |
369 | @return other Fail to operate the secure boot mode.\r | |
20333c6d | 370 | \r |
f71ed839 | 371 | **/\r |
372 | EFI_STATUS\r | |
373 | SetSecureBootMode (\r | |
374 | IN UINT8 SecureBootMode\r | |
375 | )\r | |
376 | {\r | |
20333c6d | 377 | return gRT->SetVariable (\r |
f71ed839 | 378 | EFI_CUSTOM_MODE_NAME,\r |
379 | &gEfiCustomModeEnableGuid,\r | |
380 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
381 | sizeof (UINT8),\r | |
382 | &SecureBootMode\r | |
383 | );\r | |
384 | }\r | |
385 | \r | |
ecc722ad | 386 | /**\r |
387 | Generate the PK signature list from the X509 Certificate storing file (.cer)\r | |
388 | \r | |
389 | @param[in] X509File FileHandle of X509 Certificate storing file.\r | |
390 | @param[out] PkCert Point to the data buffer to store the signature list.\r | |
20333c6d | 391 | \r |
ecc722ad | 392 | @return EFI_UNSUPPORTED Unsupported Key Length.\r |
d6b926e7 | 393 | @return EFI_OUT_OF_RESOURCES There are not enough memory resources to form the signature list.\r |
20333c6d | 394 | \r |
ecc722ad | 395 | **/\r |
396 | EFI_STATUS\r | |
397 | CreatePkX509SignatureList (\r | |
20333c6d QL |
398 | IN EFI_FILE_HANDLE X509File,\r |
399 | OUT EFI_SIGNATURE_LIST **PkCert\r | |
ecc722ad | 400 | )\r |
401 | {\r | |
20333c6d | 402 | EFI_STATUS Status;\r |
ecc722ad | 403 | UINT8 *X509Data;\r |
404 | UINTN X509DataSize;\r | |
405 | EFI_SIGNATURE_DATA *PkCertData;\r | |
406 | \r | |
407 | X509Data = NULL;\r | |
408 | PkCertData = NULL;\r | |
20333c6d QL |
409 | X509DataSize = 0;\r |
410 | \r | |
4adc12bf | 411 | Status = ReadFileContent (X509File, (VOID**) &X509Data, &X509DataSize, 0);\r |
ecc722ad | 412 | if (EFI_ERROR (Status)) {\r |
413 | goto ON_EXIT;\r | |
414 | }\r | |
ba57d4fd | 415 | ASSERT (X509Data != NULL);\r |
ecc722ad | 416 | \r |
417 | //\r | |
418 | // Allocate space for PK certificate list and initialize it.\r | |
419 | // Create PK database entry with SignatureHeaderSize equals 0.\r | |
420 | //\r | |
421 | *PkCert = (EFI_SIGNATURE_LIST*) AllocateZeroPool (\r | |
422 | sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
423 | + X509DataSize\r | |
424 | );\r | |
425 | if (*PkCert == NULL) {\r | |
426 | Status = EFI_OUT_OF_RESOURCES;\r | |
427 | goto ON_EXIT;\r | |
428 | }\r | |
429 | \r | |
20333c6d | 430 | (*PkCert)->SignatureListSize = (UINT32) (sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 431 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
432 | + X509DataSize);\r | |
433 | (*PkCert)->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
434 | (*PkCert)->SignatureHeaderSize = 0;\r | |
435 | CopyGuid (&(*PkCert)->SignatureType, &gEfiCertX509Guid);\r | |
20333c6d | 436 | PkCertData = (EFI_SIGNATURE_DATA*) ((UINTN)(*PkCert)\r |
ecc722ad | 437 | + sizeof(EFI_SIGNATURE_LIST)\r |
438 | + (*PkCert)->SignatureHeaderSize);\r | |
20333c6d | 439 | CopyGuid (&PkCertData->SignatureOwner, &gEfiGlobalVariableGuid);\r |
ecc722ad | 440 | //\r |
441 | // Fill the PK database with PKpub data from X509 certificate file.\r | |
20333c6d | 442 | //\r |
ecc722ad | 443 | CopyMem (&(PkCertData->SignatureData[0]), X509Data, X509DataSize);\r |
20333c6d | 444 | \r |
ecc722ad | 445 | ON_EXIT:\r |
20333c6d | 446 | \r |
ecc722ad | 447 | if (X509Data != NULL) {\r |
448 | FreePool (X509Data);\r | |
449 | }\r | |
20333c6d | 450 | \r |
ecc722ad | 451 | if (EFI_ERROR(Status) && *PkCert != NULL) {\r |
452 | FreePool (*PkCert);\r | |
453 | *PkCert = NULL;\r | |
454 | }\r | |
20333c6d | 455 | \r |
ecc722ad | 456 | return Status;\r |
457 | }\r | |
458 | \r | |
459 | /**\r | |
460 | Enroll new PK into the System without original PK's authentication.\r | |
461 | \r | |
462 | The SignatureOwner GUID will be the same with PK's vendorguid.\r | |
463 | \r | |
464 | @param[in] PrivateData The module's private data.\r | |
465 | \r | |
466 | @retval EFI_SUCCESS New PK enrolled successfully.\r | |
467 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
468 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 469 | \r |
ecc722ad | 470 | **/\r |
471 | EFI_STATUS\r | |
472 | EnrollPlatformKey (\r | |
473 | IN SECUREBOOT_CONFIG_PRIVATE_DATA* Private\r | |
20333c6d | 474 | )\r |
ecc722ad | 475 | {\r |
476 | EFI_STATUS Status;\r | |
477 | UINT32 Attr;\r | |
478 | UINTN DataSize;\r | |
479 | EFI_SIGNATURE_LIST *PkCert;\r | |
480 | UINT16* FilePostFix;\r | |
fd64f84f | 481 | UINTN NameLength;\r |
20333c6d | 482 | \r |
ecc722ad | 483 | if (Private->FileContext->FileName == NULL) {\r |
484 | return EFI_INVALID_PARAMETER;\r | |
485 | }\r | |
486 | \r | |
487 | PkCert = NULL;\r | |
488 | \r | |
f71ed839 | 489 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
490 | if (EFI_ERROR (Status)) {\r | |
491 | return Status;\r | |
492 | }\r | |
493 | \r | |
ecc722ad | 494 | //\r |
e4d7370d | 495 | // Parse the file's postfix. Only support DER encoded X.509 certificate files.\r |
ecc722ad | 496 | //\r |
fd64f84f GCPL |
497 | NameLength = StrLen (Private->FileContext->FileName);\r |
498 | if (NameLength <= 4) {\r | |
499 | return EFI_INVALID_PARAMETER;\r | |
500 | }\r | |
501 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
e4d7370d | 502 | if (!IsDerEncodeCertificate(FilePostFix)) {\r |
503 | DEBUG ((EFI_D_ERROR, "Unsupported file type, only DER encoded certificate (%s) is supported.", mSupportX509Suffix));\r | |
ecc722ad | 504 | return EFI_INVALID_PARAMETER;\r |
505 | }\r | |
506 | DEBUG ((EFI_D_INFO, "FileName= %s\n", Private->FileContext->FileName));\r | |
507 | DEBUG ((EFI_D_INFO, "FilePostFix = %s\n", FilePostFix));\r | |
508 | \r | |
509 | //\r | |
d6b926e7 | 510 | // Prase the selected PK file and generate PK certificate list.\r |
ecc722ad | 511 | //\r |
8c1babfd | 512 | Status = CreatePkX509SignatureList (\r |
20333c6d QL |
513 | Private->FileContext->FHandle,\r |
514 | &PkCert\r | |
8c1babfd | 515 | );\r |
516 | if (EFI_ERROR (Status)) {\r | |
517 | goto ON_EXIT;\r | |
ecc722ad | 518 | }\r |
ba57d4fd | 519 | ASSERT (PkCert != NULL);\r |
20333c6d | 520 | \r |
ecc722ad | 521 | //\r |
522 | // Set Platform Key variable.\r | |
20333c6d QL |
523 | //\r |
524 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 525 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
ecc722ad | 526 | DataSize = PkCert->SignatureListSize;\r |
8c1babfd | 527 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &PkCert);\r |
528 | if (EFI_ERROR (Status)) {\r | |
529 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
530 | goto ON_EXIT;\r | |
531 | }\r | |
20333c6d | 532 | \r |
ecc722ad | 533 | Status = gRT->SetVariable(\r |
20333c6d QL |
534 | EFI_PLATFORM_KEY_NAME,\r |
535 | &gEfiGlobalVariableGuid,\r | |
536 | Attr,\r | |
537 | DataSize,\r | |
ecc722ad | 538 | PkCert\r |
539 | );\r | |
540 | if (EFI_ERROR (Status)) {\r | |
541 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
542 | DEBUG ((EFI_D_ERROR, "Enroll PK failed with out of resource.\n"));\r | |
543 | }\r | |
544 | goto ON_EXIT;\r | |
545 | }\r | |
20333c6d | 546 | \r |
ecc722ad | 547 | ON_EXIT:\r |
548 | \r | |
549 | if (PkCert != NULL) {\r | |
550 | FreePool(PkCert);\r | |
551 | }\r | |
20333c6d | 552 | \r |
4de754e1 | 553 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 554 | \r |
555 | return Status;\r | |
556 | }\r | |
557 | \r | |
558 | /**\r | |
559 | Remove the PK variable.\r | |
560 | \r | |
561 | @retval EFI_SUCCESS Delete PK successfully.\r | |
562 | @retval Others Could not allow to delete PK.\r | |
20333c6d | 563 | \r |
ecc722ad | 564 | **/\r |
565 | EFI_STATUS\r | |
566 | DeletePlatformKey (\r | |
567 | VOID\r | |
568 | )\r | |
569 | {\r | |
570 | EFI_STATUS Status;\r | |
571 | \r | |
f71ed839 | 572 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
573 | if (EFI_ERROR (Status)) {\r | |
574 | return Status;\r | |
575 | }\r | |
576 | \r | |
8c1babfd | 577 | Status = DeleteVariable (\r |
578 | EFI_PLATFORM_KEY_NAME,\r | |
579 | &gEfiGlobalVariableGuid\r | |
580 | );\r | |
ecc722ad | 581 | return Status;\r |
582 | }\r | |
583 | \r | |
584 | /**\r | |
585 | Enroll a new KEK item from public key storing file (*.pbk).\r | |
586 | \r | |
587 | @param[in] PrivateData The module's private data.\r | |
588 | \r | |
589 | @retval EFI_SUCCESS New KEK enrolled successfully.\r | |
590 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
591 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
592 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
593 | \r | |
594 | **/\r | |
595 | EFI_STATUS\r | |
596 | EnrollRsa2048ToKek (\r | |
597 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
598 | )\r | |
599 | {\r | |
600 | EFI_STATUS Status;\r | |
601 | UINT32 Attr;\r | |
602 | UINTN DataSize;\r | |
603 | EFI_SIGNATURE_LIST *KekSigList;\r | |
604 | UINTN KeyBlobSize;\r | |
605 | UINT8 *KeyBlob;\r | |
606 | CPL_KEY_INFO *KeyInfo;\r | |
607 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
608 | UINTN KekSigListSize;\r | |
20333c6d | 609 | UINT8 *KeyBuffer;\r |
ecc722ad | 610 | UINTN KeyLenInBytes;\r |
611 | \r | |
612 | Attr = 0;\r | |
613 | DataSize = 0;\r | |
614 | KeyBuffer = NULL;\r | |
615 | KeyBlobSize = 0;\r | |
616 | KeyBlob = NULL;\r | |
617 | KeyInfo = NULL;\r | |
618 | KEKSigData = NULL;\r | |
619 | KekSigList = NULL;\r | |
620 | KekSigListSize = 0;\r | |
20333c6d | 621 | \r |
ecc722ad | 622 | //\r |
623 | // Form the KeKpub certificate list into EFI_SIGNATURE_LIST type.\r | |
624 | // First, We have to parse out public key data from the pbk key file.\r | |
20333c6d | 625 | //\r |
ecc722ad | 626 | Status = ReadFileContent (\r |
627 | Private->FileContext->FHandle,\r | |
4adc12bf | 628 | (VOID**) &KeyBlob,\r |
ecc722ad | 629 | &KeyBlobSize,\r |
630 | 0\r | |
631 | );\r | |
632 | if (EFI_ERROR (Status)) {\r | |
633 | goto ON_EXIT;\r | |
634 | }\r | |
ba57d4fd | 635 | ASSERT (KeyBlob != NULL);\r |
ecc722ad | 636 | KeyInfo = (CPL_KEY_INFO *) KeyBlob;\r |
637 | if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {\r | |
638 | DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));\r | |
639 | Status = EFI_UNSUPPORTED;\r | |
640 | goto ON_EXIT;\r | |
641 | }\r | |
20333c6d | 642 | \r |
ecc722ad | 643 | //\r |
644 | // Convert the Public key to fix octet string format represented in RSA PKCS#1.\r | |
20333c6d | 645 | //\r |
ecc722ad | 646 | KeyLenInBytes = KeyInfo->KeyLengthInBits / 8;\r |
647 | KeyBuffer = AllocateZeroPool (KeyLenInBytes);\r | |
648 | if (KeyBuffer == NULL) {\r | |
649 | Status = EFI_OUT_OF_RESOURCES;\r | |
650 | goto ON_EXIT;\r | |
651 | }\r | |
652 | Int2OctStr (\r | |
20333c6d QL |
653 | (UINTN*) (KeyBlob + sizeof (CPL_KEY_INFO)),\r |
654 | KeyLenInBytes / sizeof (UINTN),\r | |
655 | KeyBuffer,\r | |
ecc722ad | 656 | KeyLenInBytes\r |
657 | );\r | |
658 | CopyMem(KeyBlob + sizeof(CPL_KEY_INFO), KeyBuffer, KeyLenInBytes);\r | |
20333c6d | 659 | \r |
ecc722ad | 660 | //\r |
661 | // Form an new EFI_SIGNATURE_LIST.\r | |
662 | //\r | |
663 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
664 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
665 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
666 | \r | |
667 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
668 | if (KekSigList == NULL) {\r | |
669 | Status = EFI_OUT_OF_RESOURCES;\r | |
670 | goto ON_EXIT;\r | |
671 | }\r | |
672 | \r | |
673 | KekSigList->SignatureListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
674 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
675 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
676 | KekSigList->SignatureHeaderSize = 0;\r | |
677 | KekSigList->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
678 | CopyGuid (&KekSigList->SignatureType, &gEfiCertRsa2048Guid);\r | |
20333c6d | 679 | \r |
ecc722ad | 680 | KEKSigData = (EFI_SIGNATURE_DATA*)((UINT8*)KekSigList + sizeof(EFI_SIGNATURE_LIST));\r |
681 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
682 | CopyMem (\r | |
683 | KEKSigData->SignatureData,\r | |
684 | KeyBlob + sizeof(CPL_KEY_INFO),\r | |
685 | WIN_CERT_UEFI_RSA2048_SIZE\r | |
686 | );\r | |
20333c6d | 687 | \r |
ecc722ad | 688 | //\r |
20333c6d QL |
689 | // Check if KEK entry has been already existed.\r |
690 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 691 | // new KEK to original variable.\r |
20333c6d QL |
692 | //\r |
693 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 694 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
695 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
696 | if (EFI_ERROR (Status)) {\r | |
697 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
698 | goto ON_EXIT;\r | |
699 | }\r | |
700 | \r | |
ecc722ad | 701 | Status = gRT->GetVariable(\r |
20333c6d QL |
702 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
703 | &gEfiGlobalVariableGuid,\r | |
704 | NULL,\r | |
705 | &DataSize,\r | |
ecc722ad | 706 | NULL\r |
707 | );\r | |
708 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
709 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
710 | } else if (Status != EFI_NOT_FOUND) {\r | |
711 | goto ON_EXIT;\r | |
712 | }\r | |
20333c6d | 713 | \r |
ecc722ad | 714 | //\r |
715 | // Done. Now we have formed the correct KEKpub database item, just set it into variable storage,\r | |
20333c6d | 716 | //\r |
ecc722ad | 717 | Status = gRT->SetVariable(\r |
20333c6d QL |
718 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
719 | &gEfiGlobalVariableGuid,\r | |
720 | Attr,\r | |
721 | KekSigListSize,\r | |
ecc722ad | 722 | KekSigList\r |
723 | );\r | |
724 | if (EFI_ERROR (Status)) {\r | |
725 | goto ON_EXIT;\r | |
726 | }\r | |
20333c6d | 727 | \r |
ecc722ad | 728 | ON_EXIT:\r |
729 | \r | |
4de754e1 | 730 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 731 | \r |
732 | if (Private->SignatureGUID != NULL) {\r | |
733 | FreePool (Private->SignatureGUID);\r | |
734 | Private->SignatureGUID = NULL;\r | |
735 | }\r | |
736 | \r | |
737 | if (KeyBlob != NULL) {\r | |
738 | FreePool (KeyBlob);\r | |
739 | }\r | |
740 | if (KeyBuffer != NULL) {\r | |
741 | FreePool (KeyBuffer);\r | |
742 | }\r | |
743 | if (KekSigList != NULL) {\r | |
744 | FreePool (KekSigList);\r | |
745 | }\r | |
20333c6d | 746 | \r |
ecc722ad | 747 | return Status;\r |
748 | }\r | |
749 | \r | |
750 | /**\r | |
751 | Enroll a new KEK item from X509 certificate file.\r | |
752 | \r | |
753 | @param[in] PrivateData The module's private data.\r | |
754 | \r | |
755 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
756 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
757 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
758 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
759 | \r | |
760 | **/\r | |
761 | EFI_STATUS\r | |
762 | EnrollX509ToKek (\r | |
763 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
20333c6d | 764 | )\r |
ecc722ad | 765 | {\r |
766 | EFI_STATUS Status;\r | |
767 | UINTN X509DataSize;\r | |
768 | VOID *X509Data;\r | |
769 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
770 | EFI_SIGNATURE_LIST *KekSigList;\r | |
771 | UINTN DataSize;\r | |
772 | UINTN KekSigListSize;\r | |
773 | UINT32 Attr;\r | |
774 | \r | |
775 | X509Data = NULL;\r | |
776 | X509DataSize = 0;\r | |
777 | KekSigList = NULL;\r | |
778 | KekSigListSize = 0;\r | |
779 | DataSize = 0;\r | |
780 | KEKSigData = NULL;\r | |
781 | \r | |
782 | Status = ReadFileContent (\r | |
783 | Private->FileContext->FHandle,\r | |
784 | &X509Data,\r | |
785 | &X509DataSize,\r | |
786 | 0\r | |
787 | );\r | |
788 | if (EFI_ERROR (Status)) {\r | |
789 | goto ON_EXIT;\r | |
790 | }\r | |
ba57d4fd | 791 | ASSERT (X509Data != NULL);\r |
ecc722ad | 792 | \r |
793 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
794 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
795 | if (KekSigList == NULL) {\r | |
796 | Status = EFI_OUT_OF_RESOURCES;\r | |
797 | goto ON_EXIT;\r | |
798 | }\r | |
799 | \r | |
800 | //\r | |
801 | // Fill Certificate Database parameters.\r | |
20333c6d | 802 | //\r |
ecc722ad | 803 | KekSigList->SignatureListSize = (UINT32) KekSigListSize;\r |
804 | KekSigList->SignatureHeaderSize = 0;\r | |
805 | KekSigList->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
806 | CopyGuid (&KekSigList->SignatureType, &gEfiCertX509Guid);\r | |
807 | \r | |
808 | KEKSigData = (EFI_SIGNATURE_DATA*) ((UINT8*) KekSigList + sizeof (EFI_SIGNATURE_LIST));\r | |
809 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
810 | CopyMem (KEKSigData->SignatureData, X509Data, X509DataSize);\r | |
811 | \r | |
812 | //\r | |
20333c6d QL |
813 | // Check if KEK been already existed.\r |
814 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 815 | // new kek to original variable\r |
20333c6d QL |
816 | //\r |
817 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 818 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
819 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
820 | if (EFI_ERROR (Status)) {\r | |
821 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
822 | goto ON_EXIT;\r | |
823 | }\r | |
20333c6d | 824 | \r |
ecc722ad | 825 | Status = gRT->GetVariable(\r |
20333c6d QL |
826 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
827 | &gEfiGlobalVariableGuid,\r | |
828 | NULL,\r | |
829 | &DataSize,\r | |
ecc722ad | 830 | NULL\r |
831 | );\r | |
832 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
833 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
834 | } else if (Status != EFI_NOT_FOUND) {\r | |
835 | goto ON_EXIT;\r | |
20333c6d | 836 | }\r |
ecc722ad | 837 | \r |
838 | Status = gRT->SetVariable(\r | |
20333c6d QL |
839 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
840 | &gEfiGlobalVariableGuid,\r | |
841 | Attr,\r | |
ecc722ad | 842 | KekSigListSize,\r |
843 | KekSigList\r | |
844 | );\r | |
845 | if (EFI_ERROR (Status)) {\r | |
846 | goto ON_EXIT;\r | |
847 | }\r | |
848 | \r | |
849 | ON_EXIT:\r | |
20333c6d | 850 | \r |
4de754e1 | 851 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d QL |
852 | \r |
853 | if (Private->SignatureGUID != NULL) {\r | |
854 | FreePool (Private->SignatureGUID);\r | |
855 | Private->SignatureGUID = NULL;\r | |
856 | }\r | |
857 | \r | |
858 | if (KekSigList != NULL) {\r | |
859 | FreePool (KekSigList);\r | |
860 | }\r | |
861 | \r | |
862 | return Status;\r | |
863 | }\r | |
864 | \r | |
865 | /**\r | |
866 | Enroll new KEK into the System without PK's authentication.\r | |
867 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
868 | \r | |
869 | @param[in] PrivateData The module's private data.\r | |
870 | \r | |
871 | @retval EFI_SUCCESS New KEK enrolled successful.\r | |
872 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
873 | @retval others Fail to enroll KEK data.\r | |
874 | \r | |
875 | **/\r | |
876 | EFI_STATUS\r | |
877 | EnrollKeyExchangeKey (\r | |
878 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
879 | )\r | |
880 | {\r | |
881 | UINT16* FilePostFix;\r | |
882 | EFI_STATUS Status;\r | |
883 | UINTN NameLength;\r | |
884 | \r | |
4de754e1 | 885 | if ((Private->FileContext->FHandle == NULL) || (Private->FileContext->FileName == NULL) || (Private->SignatureGUID == NULL)) {\r |
20333c6d QL |
886 | return EFI_INVALID_PARAMETER;\r |
887 | }\r | |
888 | \r | |
889 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
890 | if (EFI_ERROR (Status)) {\r | |
891 | return Status;\r | |
892 | }\r | |
893 | \r | |
894 | //\r | |
895 | // Parse the file's postfix. Supports DER-encoded X509 certificate,\r | |
896 | // and .pbk as RSA public key file.\r | |
897 | //\r | |
898 | NameLength = StrLen (Private->FileContext->FileName);\r | |
899 | if (NameLength <= 4) {\r | |
900 | return EFI_INVALID_PARAMETER;\r | |
901 | }\r | |
902 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
903 | if (IsDerEncodeCertificate(FilePostFix)) {\r | |
904 | return EnrollX509ToKek (Private);\r | |
905 | } else if (CompareMem (FilePostFix, L".pbk",4) == 0) {\r | |
906 | return EnrollRsa2048ToKek (Private);\r | |
907 | } else {\r | |
4de754e1 ZC |
908 | //\r |
909 | // File type is wrong, simply close it\r | |
910 | //\r | |
911 | CloseEnrolledFile(Private->FileContext);\r | |
912 | \r | |
20333c6d QL |
913 | return EFI_INVALID_PARAMETER;\r |
914 | }\r | |
915 | }\r | |
916 | \r | |
917 | /**\r | |
918 | Enroll a new X509 certificate into Signature Database (DB or DBX or DBT) without\r | |
919 | KEK's authentication.\r | |
920 | \r | |
921 | @param[in] PrivateData The module's private data.\r | |
922 | @param[in] VariableName Variable name of signature database, must be\r | |
923 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
924 | \r | |
925 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
926 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
927 | \r | |
928 | **/\r | |
929 | EFI_STATUS\r | |
930 | EnrollX509toSigDB (\r | |
931 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
932 | IN CHAR16 *VariableName\r | |
933 | )\r | |
934 | {\r | |
935 | EFI_STATUS Status;\r | |
936 | UINTN X509DataSize;\r | |
937 | VOID *X509Data;\r | |
938 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
939 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
940 | VOID *Data;\r | |
941 | UINTN DataSize;\r | |
942 | UINTN SigDBSize;\r | |
943 | UINT32 Attr;\r | |
944 | \r | |
945 | X509DataSize = 0;\r | |
946 | SigDBSize = 0;\r | |
947 | DataSize = 0;\r | |
948 | X509Data = NULL;\r | |
949 | SigDBCert = NULL;\r | |
950 | SigDBCertData = NULL;\r | |
951 | Data = NULL;\r | |
952 | \r | |
953 | Status = ReadFileContent (\r | |
954 | Private->FileContext->FHandle,\r | |
955 | &X509Data,\r | |
956 | &X509DataSize,\r | |
957 | 0\r | |
958 | );\r | |
959 | if (EFI_ERROR (Status)) {\r | |
960 | goto ON_EXIT;\r | |
961 | }\r | |
962 | ASSERT (X509Data != NULL);\r | |
963 | \r | |
964 | SigDBSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
965 | \r | |
966 | Data = AllocateZeroPool (SigDBSize);\r | |
967 | if (Data == NULL) {\r | |
968 | Status = EFI_OUT_OF_RESOURCES;\r | |
969 | goto ON_EXIT;\r | |
970 | }\r | |
971 | \r | |
972 | //\r | |
973 | // Fill Certificate Database parameters.\r | |
974 | //\r | |
975 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r | |
976 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
977 | SigDBCert->SignatureHeaderSize = 0;\r | |
978 | SigDBCert->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
979 | CopyGuid (&SigDBCert->SignatureType, &gEfiCertX509Guid);\r | |
980 | \r | |
981 | SigDBCertData = (EFI_SIGNATURE_DATA*) ((UINT8* ) SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r | |
982 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
983 | CopyMem ((UINT8* ) (SigDBCertData->SignatureData), X509Data, X509DataSize);\r | |
984 | \r | |
985 | //\r | |
986 | // Check if signature database entry has been already existed.\r | |
987 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
988 | // new signature data to original variable\r | |
989 | //\r | |
990 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
991 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
992 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
993 | if (EFI_ERROR (Status)) {\r | |
994 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
995 | goto ON_EXIT;\r | |
996 | }\r | |
997 | \r | |
998 | Status = gRT->GetVariable(\r | |
999 | VariableName,\r | |
1000 | &gEfiImageSecurityDatabaseGuid,\r | |
1001 | NULL,\r | |
1002 | &DataSize,\r | |
1003 | NULL\r | |
1004 | );\r | |
1005 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1006 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
1007 | } else if (Status != EFI_NOT_FOUND) {\r | |
1008 | goto ON_EXIT;\r | |
1009 | }\r | |
1010 | \r | |
1011 | Status = gRT->SetVariable(\r | |
1012 | VariableName,\r | |
1013 | &gEfiImageSecurityDatabaseGuid,\r | |
1014 | Attr,\r | |
1015 | SigDBSize,\r | |
1016 | Data\r | |
1017 | );\r | |
1018 | if (EFI_ERROR (Status)) {\r | |
1019 | goto ON_EXIT;\r | |
1020 | }\r | |
1021 | \r | |
1022 | ON_EXIT:\r | |
1023 | \r | |
4de754e1 | 1024 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d QL |
1025 | \r |
1026 | if (Private->SignatureGUID != NULL) {\r | |
1027 | FreePool (Private->SignatureGUID);\r | |
1028 | Private->SignatureGUID = NULL;\r | |
1029 | }\r | |
1030 | \r | |
1031 | if (Data != NULL) {\r | |
1032 | FreePool (Data);\r | |
1033 | }\r | |
1034 | \r | |
1035 | if (X509Data != NULL) {\r | |
1036 | FreePool (X509Data);\r | |
1037 | }\r | |
1038 | \r | |
1039 | return Status;\r | |
1040 | }\r | |
1041 | \r | |
1042 | /**\r | |
1043 | Check whether signature is in specified database.\r | |
1044 | \r | |
1045 | @param[in] VariableName Name of database variable that is searched in.\r | |
1046 | @param[in] Signature Pointer to signature that is searched for.\r | |
1047 | @param[in] SignatureSize Size of Signature.\r | |
1048 | \r | |
1049 | @return TRUE Found the signature in the variable database.\r | |
1050 | @return FALSE Not found the signature in the variable database.\r | |
1051 | \r | |
1052 | **/\r | |
1053 | BOOLEAN\r | |
1054 | IsSignatureFoundInDatabase (\r | |
1055 | IN CHAR16 *VariableName,\r | |
1056 | IN UINT8 *Signature,\r | |
1057 | IN UINTN SignatureSize\r | |
1058 | )\r | |
1059 | {\r | |
1060 | EFI_STATUS Status;\r | |
1061 | EFI_SIGNATURE_LIST *CertList;\r | |
1062 | EFI_SIGNATURE_DATA *Cert;\r | |
1063 | UINTN DataSize;\r | |
1064 | UINT8 *Data;\r | |
1065 | UINTN Index;\r | |
1066 | UINTN CertCount;\r | |
1067 | BOOLEAN IsFound;\r | |
1068 | \r | |
1069 | //\r | |
1070 | // Read signature database variable.\r | |
1071 | //\r | |
1072 | IsFound = FALSE;\r | |
1073 | Data = NULL;\r | |
1074 | DataSize = 0;\r | |
1075 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1076 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1077 | return FALSE;\r | |
1078 | }\r | |
1079 | \r | |
1080 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1081 | if (Data == NULL) {\r | |
1082 | return FALSE;\r | |
1083 | }\r | |
1084 | \r | |
1085 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1086 | if (EFI_ERROR (Status)) {\r | |
1087 | goto Done;\r | |
1088 | }\r | |
1089 | \r | |
1090 | //\r | |
d6b926e7 | 1091 | // Enumerate all signature data in SigDB to check if signature exists for executable.\r |
20333c6d QL |
1092 | //\r |
1093 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
1094 | while ((DataSize > 0) && (DataSize >= CertList->SignatureListSize)) {\r | |
1095 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
1096 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
1097 | if ((CertList->SignatureSize == sizeof(EFI_SIGNATURE_DATA) - 1 + SignatureSize) && (CompareGuid(&CertList->SignatureType, &gEfiCertX509Guid))) {\r | |
1098 | for (Index = 0; Index < CertCount; Index++) {\r | |
1099 | if (CompareMem (Cert->SignatureData, Signature, SignatureSize) == 0) {\r | |
1100 | //\r | |
1101 | // Find the signature in database.\r | |
1102 | //\r | |
1103 | IsFound = TRUE;\r | |
1104 | break;\r | |
1105 | }\r | |
1106 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
1107 | }\r | |
1108 | \r | |
1109 | if (IsFound) {\r | |
1110 | break;\r | |
1111 | }\r | |
1112 | }\r | |
1113 | \r | |
1114 | DataSize -= CertList->SignatureListSize;\r | |
1115 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
1116 | }\r | |
1117 | \r | |
1118 | Done:\r | |
1119 | if (Data != NULL) {\r | |
1120 | FreePool (Data);\r | |
1121 | }\r | |
1122 | \r | |
1123 | return IsFound;\r | |
1124 | }\r | |
1125 | \r | |
1126 | /**\r | |
1127 | Calculate the hash of a certificate data with the specified hash algorithm.\r | |
1128 | \r | |
1129 | @param[in] CertData The certificate data to be hashed.\r | |
1130 | @param[in] CertSize The certificate size in bytes.\r | |
1131 | @param[in] HashAlg The specified hash algorithm.\r | |
1132 | @param[out] CertHash The output digest of the certificate\r | |
1133 | \r | |
1134 | @retval TRUE Successfully got the hash of the CertData.\r | |
1135 | @retval FALSE Failed to get the hash of CertData.\r | |
1136 | \r | |
1137 | **/\r | |
1138 | BOOLEAN\r | |
1139 | CalculateCertHash (\r | |
1140 | IN UINT8 *CertData,\r | |
1141 | IN UINTN CertSize,\r | |
1142 | IN UINT32 HashAlg,\r | |
1143 | OUT UINT8 *CertHash\r | |
1144 | )\r | |
1145 | {\r | |
1146 | BOOLEAN Status;\r | |
1147 | VOID *HashCtx;\r | |
1148 | UINTN CtxSize;\r | |
12d95665 LQ |
1149 | UINT8 *TBSCert;\r |
1150 | UINTN TBSCertSize;\r | |
20333c6d QL |
1151 | \r |
1152 | HashCtx = NULL;\r | |
1153 | Status = FALSE;\r | |
1154 | \r | |
1155 | if (HashAlg >= HASHALG_MAX) {\r | |
1156 | return FALSE;\r | |
1157 | }\r | |
1158 | \r | |
12d95665 LQ |
1159 | //\r |
1160 | // Retrieve the TBSCertificate for Hash Calculation.\r | |
1161 | //\r | |
1162 | if (!X509GetTBSCert (CertData, CertSize, &TBSCert, &TBSCertSize)) {\r | |
1163 | return FALSE;\r | |
1164 | }\r | |
1165 | \r | |
20333c6d QL |
1166 | //\r |
1167 | // 1. Initialize context of hash.\r | |
1168 | //\r | |
1169 | CtxSize = mHash[HashAlg].GetContextSize ();\r | |
1170 | HashCtx = AllocatePool (CtxSize);\r | |
1171 | ASSERT (HashCtx != NULL);\r | |
1172 | \r | |
1173 | //\r | |
1174 | // 2. Initialize a hash context.\r | |
1175 | //\r | |
1176 | Status = mHash[HashAlg].HashInit (HashCtx);\r | |
1177 | if (!Status) {\r | |
1178 | goto Done;\r | |
1179 | }\r | |
1180 | \r | |
1181 | //\r | |
1182 | // 3. Calculate the hash.\r | |
1183 | //\r | |
12d95665 | 1184 | Status = mHash[HashAlg].HashUpdate (HashCtx, TBSCert, TBSCertSize);\r |
20333c6d QL |
1185 | if (!Status) {\r |
1186 | goto Done;\r | |
1187 | }\r | |
1188 | \r | |
1189 | //\r | |
1190 | // 4. Get the hash result.\r | |
1191 | //\r | |
1192 | ZeroMem (CertHash, mHash[HashAlg].DigestLength);\r | |
1193 | Status = mHash[HashAlg].HashFinal (HashCtx, CertHash);\r | |
1194 | \r | |
1195 | Done:\r | |
1196 | if (HashCtx != NULL) {\r | |
1197 | FreePool (HashCtx);\r | |
1198 | }\r | |
1199 | \r | |
1200 | return Status;\r | |
1201 | }\r | |
1202 | \r | |
1203 | /**\r | |
1204 | Check whether the hash of an X.509 certificate is in forbidden database (DBX).\r | |
1205 | \r | |
1206 | @param[in] Certificate Pointer to X.509 Certificate that is searched for.\r | |
1207 | @param[in] CertSize Size of X.509 Certificate.\r | |
1208 | \r | |
1209 | @return TRUE Found the certificate hash in the forbidden database.\r | |
1210 | @return FALSE Certificate hash is Not found in the forbidden database.\r | |
1211 | \r | |
1212 | **/\r | |
1213 | BOOLEAN\r | |
1214 | IsCertHashFoundInDbx (\r | |
1215 | IN UINT8 *Certificate,\r | |
1216 | IN UINTN CertSize\r | |
1217 | )\r | |
1218 | {\r | |
1219 | BOOLEAN IsFound;\r | |
1220 | EFI_STATUS Status;\r | |
1221 | EFI_SIGNATURE_LIST *DbxList;\r | |
1222 | EFI_SIGNATURE_DATA *CertHash;\r | |
1223 | UINTN CertHashCount;\r | |
1224 | UINTN Index;\r | |
1225 | UINT32 HashAlg;\r | |
1226 | UINT8 CertDigest[MAX_DIGEST_SIZE];\r | |
1227 | UINT8 *DbxCertHash;\r | |
1228 | UINTN SiglistHeaderSize;\r | |
1229 | UINT8 *Data;\r | |
1230 | UINTN DataSize;\r | |
1231 | \r | |
1232 | IsFound = FALSE;\r | |
1233 | HashAlg = HASHALG_MAX;\r | |
1234 | Data = NULL;\r | |
1235 | \r | |
1236 | //\r | |
1237 | // Read signature database variable.\r | |
1238 | //\r | |
1239 | DataSize = 0;\r | |
1240 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1241 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1242 | return FALSE;\r | |
1243 | }\r | |
1244 | \r | |
1245 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1246 | if (Data == NULL) {\r | |
1247 | return FALSE;\r | |
1248 | }\r | |
1249 | \r | |
1250 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1251 | if (EFI_ERROR (Status)) {\r | |
1252 | goto Done;\r | |
1253 | }\r | |
1254 | \r | |
1255 | //\r | |
1256 | // Check whether the certificate hash exists in the forbidden database.\r | |
1257 | //\r | |
1258 | DbxList = (EFI_SIGNATURE_LIST *) Data;\r | |
1259 | while ((DataSize > 0) && (DataSize >= DbxList->SignatureListSize)) {\r | |
1260 | //\r | |
1261 | // Determine Hash Algorithm of Certificate in the forbidden database.\r | |
1262 | //\r | |
1263 | if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
1264 | HashAlg = HASHALG_SHA256;\r | |
1265 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
1266 | HashAlg = HASHALG_SHA384;\r | |
1267 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
1268 | HashAlg = HASHALG_SHA512;\r | |
1269 | } else {\r | |
1270 | DataSize -= DbxList->SignatureListSize;\r | |
1271 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1272 | continue;\r | |
1273 | }\r | |
1274 | \r | |
1275 | //\r | |
1276 | // Calculate the hash value of current db certificate for comparision.\r | |
1277 | //\r | |
1278 | if (!CalculateCertHash (Certificate, CertSize, HashAlg, CertDigest)) {\r | |
1279 | goto Done;\r | |
1280 | }\r | |
1281 | \r | |
1282 | SiglistHeaderSize = sizeof (EFI_SIGNATURE_LIST) + DbxList->SignatureHeaderSize;\r | |
1283 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) DbxList + SiglistHeaderSize);\r | |
1284 | CertHashCount = (DbxList->SignatureListSize - SiglistHeaderSize) / DbxList->SignatureSize;\r | |
1285 | for (Index = 0; Index < CertHashCount; Index++) {\r | |
1286 | //\r | |
1287 | // Iterate each Signature Data Node within this CertList for verify.\r | |
1288 | //\r | |
1289 | DbxCertHash = CertHash->SignatureData;\r | |
1290 | if (CompareMem (DbxCertHash, CertDigest, mHash[HashAlg].DigestLength) == 0) {\r | |
1291 | //\r | |
1292 | // Hash of Certificate is found in forbidden database.\r | |
1293 | //\r | |
1294 | IsFound = TRUE;\r | |
1295 | goto Done;\r | |
1296 | }\r | |
1297 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertHash + DbxList->SignatureSize);\r | |
1298 | }\r | |
1299 | \r | |
1300 | DataSize -= DbxList->SignatureListSize;\r | |
1301 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1302 | }\r | |
1303 | \r | |
1304 | Done:\r | |
1305 | if (Data != NULL) {\r | |
1306 | FreePool (Data);\r | |
1307 | }\r | |
1308 | \r | |
1309 | return IsFound;\r | |
1310 | }\r | |
1311 | \r | |
1312 | /**\r | |
1313 | Check whether the signature list exists in given variable data.\r | |
1314 | \r | |
d6b926e7 | 1315 | It searches the signature list for the certificate hash by CertType.\r |
20333c6d QL |
1316 | If the signature list is found, get the offset of Database for the\r |
1317 | next hash of a certificate.\r | |
1318 | \r | |
1319 | @param[in] Database Variable data to save signature list.\r | |
1320 | @param[in] DatabaseSize Variable size.\r | |
1321 | @param[in] SignatureType The type of the signature.\r | |
1322 | @param[out] Offset The offset to save a new hash of certificate.\r | |
1323 | \r | |
1324 | @return TRUE The signature list is found in the forbidden database.\r | |
1325 | @return FALSE The signature list is not found in the forbidden database.\r | |
1326 | **/\r | |
1327 | BOOLEAN\r | |
1328 | GetSignaturelistOffset (\r | |
1329 | IN EFI_SIGNATURE_LIST *Database,\r | |
1330 | IN UINTN DatabaseSize,\r | |
1331 | IN EFI_GUID *SignatureType,\r | |
1332 | OUT UINTN *Offset\r | |
1333 | )\r | |
1334 | {\r | |
1335 | EFI_SIGNATURE_LIST *SigList;\r | |
1336 | UINTN SiglistSize;\r | |
1337 | \r | |
1338 | if ((Database == NULL) || (DatabaseSize == 0)) {\r | |
1339 | *Offset = 0;\r | |
1340 | return FALSE;\r | |
1341 | }\r | |
1342 | \r | |
1343 | SigList = Database;\r | |
1344 | SiglistSize = DatabaseSize;\r | |
1345 | while ((SiglistSize > 0) && (SiglistSize >= SigList->SignatureListSize)) {\r | |
1346 | if (CompareGuid (&SigList->SignatureType, SignatureType)) {\r | |
1347 | *Offset = DatabaseSize - SiglistSize;\r | |
1348 | return TRUE;\r | |
1349 | }\r | |
1350 | SiglistSize -= SigList->SignatureListSize;\r | |
1351 | SigList = (EFI_SIGNATURE_LIST *) ((UINT8 *) SigList + SigList->SignatureListSize);\r | |
1352 | }\r | |
1353 | *Offset = 0;\r | |
1354 | return FALSE;\r | |
1355 | }\r | |
1356 | \r | |
1357 | /**\r | |
1358 | Enroll a new X509 certificate hash into Signature Database (dbx) without\r | |
1359 | KEK's authentication.\r | |
1360 | \r | |
1361 | @param[in] PrivateData The module's private data.\r | |
1362 | @param[in] HashAlg The hash algorithm to enroll the certificate.\r | |
1363 | @param[in] RevocationDate The revocation date of the certificate.\r | |
1364 | @param[in] RevocationTime The revocation time of the certificate.\r | |
1365 | @param[in] AlwaysRevocation Indicate whether the certificate is always revoked.\r | |
1366 | \r | |
1367 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
1368 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1369 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1370 | \r | |
1371 | **/\r | |
1372 | EFI_STATUS\r | |
1373 | EnrollX509HashtoSigDB (\r | |
1374 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
1375 | IN UINT32 HashAlg,\r | |
1376 | IN EFI_HII_DATE *RevocationDate,\r | |
1377 | IN EFI_HII_TIME *RevocationTime,\r | |
1378 | IN BOOLEAN AlwaysRevocation\r | |
1379 | )\r | |
1380 | {\r | |
1381 | EFI_STATUS Status;\r | |
1382 | UINTN X509DataSize;\r | |
1383 | VOID *X509Data;\r | |
1384 | EFI_SIGNATURE_LIST *SignatureList;\r | |
1385 | UINTN SignatureListSize;\r | |
1386 | UINT8 *Data;\r | |
1387 | UINT8 *NewData;\r | |
1388 | UINTN DataSize;\r | |
1389 | UINTN DbSize;\r | |
1390 | UINT32 Attr;\r | |
1391 | EFI_SIGNATURE_DATA *SignatureData;\r | |
1392 | UINTN SignatureSize;\r | |
1393 | EFI_GUID SignatureType;\r | |
1394 | UINTN Offset;\r | |
1395 | UINT8 CertHash[MAX_DIGEST_SIZE];\r | |
1396 | UINT16* FilePostFix;\r | |
1397 | UINTN NameLength;\r | |
1398 | EFI_TIME *Time;\r | |
1399 | \r | |
1400 | X509DataSize = 0;\r | |
1401 | DbSize = 0;\r | |
1402 | X509Data = NULL;\r | |
1403 | SignatureData = NULL;\r | |
1404 | SignatureList = NULL;\r | |
1405 | Data = NULL;\r | |
1406 | NewData = NULL;\r | |
1407 | \r | |
1408 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
1409 | return EFI_INVALID_PARAMETER;\r | |
1410 | }\r | |
1411 | \r | |
1412 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
1413 | if (EFI_ERROR (Status)) {\r | |
1414 | return Status;\r | |
1415 | }\r | |
1416 | \r | |
1417 | //\r | |
1418 | // Parse the file's postfix.\r | |
1419 | //\r | |
1420 | NameLength = StrLen (Private->FileContext->FileName);\r | |
1421 | if (NameLength <= 4) {\r | |
1422 | return EFI_INVALID_PARAMETER;\r | |
1423 | }\r | |
1424 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
1425 | if (!IsDerEncodeCertificate(FilePostFix)) {\r | |
1426 | //\r | |
1427 | // Only supports DER-encoded X509 certificate.\r | |
1428 | //\r | |
1429 | return EFI_INVALID_PARAMETER;\r | |
1430 | }\r | |
1431 | \r | |
1432 | //\r | |
1433 | // Get the certificate from file and calculate its hash.\r | |
1434 | //\r | |
1435 | Status = ReadFileContent (\r | |
1436 | Private->FileContext->FHandle,\r | |
1437 | &X509Data,\r | |
1438 | &X509DataSize,\r | |
1439 | 0\r | |
1440 | );\r | |
1441 | if (EFI_ERROR (Status)) {\r | |
1442 | goto ON_EXIT;\r | |
1443 | }\r | |
1444 | ASSERT (X509Data != NULL);\r | |
1445 | \r | |
1446 | if (!CalculateCertHash (X509Data, X509DataSize, HashAlg, CertHash)) {\r | |
1447 | goto ON_EXIT;\r | |
1448 | }\r | |
1449 | \r | |
1450 | //\r | |
1451 | // Get the variable for enrollment.\r | |
1452 | //\r | |
1453 | DataSize = 0;\r | |
1454 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1455 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1456 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1457 | if (Data == NULL) {\r | |
1458 | return EFI_OUT_OF_RESOURCES;\r | |
1459 | }\r | |
1460 | \r | |
1461 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1462 | if (EFI_ERROR (Status)) {\r | |
1463 | goto ON_EXIT;\r | |
1464 | }\r | |
1465 | }\r | |
1466 | \r | |
1467 | //\r | |
1468 | // Allocate memory for Signature and fill the Signature\r | |
1469 | //\r | |
1470 | SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + sizeof (EFI_TIME) + mHash[HashAlg].DigestLength;\r | |
1471 | SignatureData = (EFI_SIGNATURE_DATA *) AllocateZeroPool (SignatureSize);\r | |
1472 | if (SignatureData == NULL) {\r | |
1473 | return EFI_OUT_OF_RESOURCES;\r | |
1474 | }\r | |
1475 | CopyGuid (&SignatureData->SignatureOwner, Private->SignatureGUID);\r | |
1476 | CopyMem (SignatureData->SignatureData, CertHash, mHash[HashAlg].DigestLength);\r | |
1477 | \r | |
1478 | //\r | |
1479 | // Fill the time.\r | |
1480 | //\r | |
1481 | if (!AlwaysRevocation) {\r | |
1482 | Time = (EFI_TIME *)(&SignatureData->SignatureData + mHash[HashAlg].DigestLength);\r | |
1483 | Time->Year = RevocationDate->Year;\r | |
1484 | Time->Month = RevocationDate->Month;\r | |
1485 | Time->Day = RevocationDate->Day;\r | |
1486 | Time->Hour = RevocationTime->Hour;\r | |
1487 | Time->Minute = RevocationTime->Minute;\r | |
1488 | Time->Second = RevocationTime->Second;\r | |
1489 | }\r | |
1490 | \r | |
1491 | //\r | |
1492 | // Determine the GUID for certificate hash.\r | |
1493 | //\r | |
1494 | switch (HashAlg) {\r | |
1495 | case HASHALG_SHA256:\r | |
1496 | SignatureType = gEfiCertX509Sha256Guid;\r | |
1497 | break;\r | |
1498 | case HASHALG_SHA384:\r | |
1499 | SignatureType = gEfiCertX509Sha384Guid;\r | |
1500 | break;\r | |
1501 | case HASHALG_SHA512:\r | |
1502 | SignatureType = gEfiCertX509Sha512Guid;\r | |
1503 | break;\r | |
1504 | default:\r | |
1505 | return FALSE;\r | |
1506 | }\r | |
1507 | \r | |
1508 | //\r | |
1509 | // Add signature into the new variable data buffer\r | |
1510 | //\r | |
1511 | if (GetSignaturelistOffset((EFI_SIGNATURE_LIST *)Data, DataSize, &SignatureType, &Offset)) {\r | |
1512 | //\r | |
1513 | // Add the signature to the found signaturelist.\r | |
1514 | //\r | |
1515 | DbSize = DataSize + SignatureSize;\r | |
1516 | NewData = AllocateZeroPool (DbSize);\r | |
1517 | if (NewData == NULL) {\r | |
1518 | Status = EFI_OUT_OF_RESOURCES;\r | |
1519 | goto ON_EXIT;\r | |
1520 | }\r | |
1521 | \r | |
1522 | SignatureList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
1523 | SignatureListSize = (UINTN) ReadUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize);\r | |
1524 | CopyMem (NewData, Data, Offset + SignatureListSize);\r | |
1525 | \r | |
1526 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + Offset);\r | |
1527 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32)(SignatureListSize + SignatureSize));\r | |
1528 | \r | |
1529 | Offset += SignatureListSize;\r | |
1530 | CopyMem (NewData + Offset, SignatureData, SignatureSize);\r | |
1531 | CopyMem (NewData + Offset + SignatureSize, Data + Offset, DataSize - Offset);\r | |
1532 | \r | |
1533 | FreePool (Data);\r | |
1534 | Data = NewData;\r | |
1535 | DataSize = DbSize;\r | |
1536 | } else {\r | |
1537 | //\r | |
1538 | // Create a new signaturelist, and add the signature into the signaturelist.\r | |
1539 | //\r | |
1540 | DbSize = DataSize + sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1541 | NewData = AllocateZeroPool (DbSize);\r | |
1542 | if (NewData == NULL) {\r | |
1543 | Status = EFI_OUT_OF_RESOURCES;\r | |
1544 | goto ON_EXIT;\r | |
1545 | }\r | |
1546 | //\r | |
1547 | // Fill Certificate Database parameters.\r | |
1548 | //\r | |
1549 | SignatureList = (EFI_SIGNATURE_LIST*) (NewData + DataSize);\r | |
1550 | SignatureListSize = sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1551 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32) SignatureListSize);\r | |
1552 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureSize, (UINT32) SignatureSize);\r | |
1553 | CopyGuid (&SignatureList->SignatureType, &SignatureType);\r | |
1554 | CopyMem ((UINT8* ) SignatureList + sizeof (EFI_SIGNATURE_LIST), SignatureData, SignatureSize);\r | |
1555 | if ((DataSize != 0) && (Data != NULL)) {\r | |
1556 | CopyMem (NewData, Data, DataSize);\r | |
1557 | FreePool (Data);\r | |
1558 | }\r | |
1559 | Data = NewData;\r | |
1560 | DataSize = DbSize;\r | |
1561 | }\r | |
1562 | \r | |
1563 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &Data);\r | |
1564 | if (EFI_ERROR (Status)) {\r | |
1565 | goto ON_EXIT;\r | |
1566 | }\r | |
1567 | \r | |
1568 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
1569 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
1570 | Status = gRT->SetVariable(\r | |
1571 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
1572 | &gEfiImageSecurityDatabaseGuid,\r | |
1573 | Attr,\r | |
1574 | DataSize,\r | |
1575 | Data\r | |
1576 | );\r | |
1577 | if (EFI_ERROR (Status)) {\r | |
1578 | goto ON_EXIT;\r | |
1579 | }\r | |
1580 | \r | |
1581 | ON_EXIT:\r | |
762d8ddb | 1582 | \r |
4de754e1 | 1583 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 1584 | \r |
1585 | if (Private->SignatureGUID != NULL) {\r | |
1586 | FreePool (Private->SignatureGUID);\r | |
1587 | Private->SignatureGUID = NULL;\r | |
1588 | }\r | |
1589 | \r | |
20333c6d QL |
1590 | if (Data != NULL) {\r |
1591 | FreePool (Data);\r | |
ecc722ad | 1592 | }\r |
1593 | \r | |
20333c6d QL |
1594 | if (SignatureData != NULL) {\r |
1595 | FreePool (SignatureData);\r | |
ecc722ad | 1596 | }\r |
1597 | \r | |
20333c6d QL |
1598 | if (X509Data != NULL) {\r |
1599 | FreePool (X509Data);\r | |
f71ed839 | 1600 | }\r |
1601 | \r | |
20333c6d | 1602 | return Status;\r |
ecc722ad | 1603 | }\r |
1604 | \r | |
1605 | /**\r | |
20333c6d | 1606 | Check whether a certificate from a file exists in dbx.\r |
ecc722ad | 1607 | \r |
1608 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
1609 | @param[in] VariableName Variable name of signature database, must be\r |
1610 | EFI_IMAGE_SECURITY_DATABASE1.\r | |
ecc722ad | 1611 | \r |
20333c6d QL |
1612 | @retval TRUE The X509 certificate is found in dbx successfully.\r |
1613 | @retval FALSE The X509 certificate is not found in dbx.\r | |
ecc722ad | 1614 | **/\r |
20333c6d QL |
1615 | BOOLEAN\r |
1616 | IsX509CertInDbx (\r | |
ecc722ad | 1617 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1618 | IN CHAR16 *VariableName\r | |
20333c6d | 1619 | )\r |
ecc722ad | 1620 | {\r |
20333c6d QL |
1621 | EFI_STATUS Status;\r |
1622 | UINTN X509DataSize;\r | |
1623 | VOID *X509Data;\r | |
1624 | BOOLEAN IsFound;\r | |
ecc722ad | 1625 | \r |
20333c6d QL |
1626 | //\r |
1627 | // Read the certificate from file\r | |
1628 | //\r | |
ecc722ad | 1629 | X509DataSize = 0;\r |
ecc722ad | 1630 | X509Data = NULL;\r |
ecc722ad | 1631 | Status = ReadFileContent (\r |
1632 | Private->FileContext->FHandle,\r | |
1633 | &X509Data,\r | |
1634 | &X509DataSize,\r | |
1635 | 0\r | |
1636 | );\r | |
1637 | if (EFI_ERROR (Status)) {\r | |
20333c6d | 1638 | return FALSE;\r |
ecc722ad | 1639 | }\r |
1640 | \r | |
1641 | //\r | |
20333c6d | 1642 | // Check the raw certificate.\r |
ecc722ad | 1643 | //\r |
20333c6d QL |
1644 | IsFound = FALSE;\r |
1645 | if (IsSignatureFoundInDatabase (EFI_IMAGE_SECURITY_DATABASE1, X509Data, X509DataSize)) {\r | |
1646 | IsFound = TRUE;\r | |
8c1babfd | 1647 | goto ON_EXIT;\r |
1648 | }\r | |
ecc722ad | 1649 | \r |
20333c6d QL |
1650 | //\r |
1651 | // Check the hash of certificate.\r | |
1652 | //\r | |
1653 | if (IsCertHashFoundInDbx (X509Data, X509DataSize)) {\r | |
1654 | IsFound = TRUE;\r | |
ecc722ad | 1655 | goto ON_EXIT;\r |
1656 | }\r | |
1657 | \r | |
1658 | ON_EXIT:\r | |
ecc722ad | 1659 | if (X509Data != NULL) {\r |
1660 | FreePool (X509Data);\r | |
1661 | }\r | |
1662 | \r | |
20333c6d | 1663 | return IsFound;\r |
ecc722ad | 1664 | }\r |
1665 | \r | |
5e9dfc67 LG |
1666 | /**\r |
1667 | Reads contents of a PE/COFF image in memory buffer.\r | |
1668 | \r | |
1669 | Caution: This function may receive untrusted input.\r | |
1670 | PE/COFF image is external input, so this function will make sure the PE/COFF image content\r | |
1671 | read is within the image buffer.\r | |
1672 | \r | |
1673 | @param FileHandle Pointer to the file handle to read the PE/COFF image.\r | |
1674 | @param FileOffset Offset into the PE/COFF image to begin the read operation.\r | |
1675 | @param ReadSize On input, the size in bytes of the requested read operation.\r | |
1676 | On output, the number of bytes actually read.\r | |
1677 | @param Buffer Output buffer that contains the data read from the PE/COFF image.\r | |
1678 | \r | |
1679 | @retval EFI_SUCCESS The specified portion of the PE/COFF image was read and the size\r | |
1680 | **/\r | |
1681 | EFI_STATUS\r | |
1682 | EFIAPI\r | |
1683 | SecureBootConfigImageRead (\r | |
1684 | IN VOID *FileHandle,\r | |
1685 | IN UINTN FileOffset,\r | |
1686 | IN OUT UINTN *ReadSize,\r | |
1687 | OUT VOID *Buffer\r | |
1688 | )\r | |
1689 | {\r | |
1690 | UINTN EndPosition;\r | |
1691 | \r | |
1692 | if (FileHandle == NULL || ReadSize == NULL || Buffer == NULL) {\r | |
1693 | return EFI_INVALID_PARAMETER;\r | |
1694 | }\r | |
1695 | \r | |
1696 | if (MAX_ADDRESS - FileOffset < *ReadSize) {\r | |
1697 | return EFI_INVALID_PARAMETER;\r | |
1698 | }\r | |
1699 | \r | |
1700 | EndPosition = FileOffset + *ReadSize;\r | |
1701 | if (EndPosition > mImageSize) {\r | |
1702 | *ReadSize = (UINT32)(mImageSize - FileOffset);\r | |
1703 | }\r | |
1704 | \r | |
1705 | if (FileOffset >= mImageSize) {\r | |
1706 | *ReadSize = 0;\r | |
1707 | }\r | |
1708 | \r | |
1709 | CopyMem (Buffer, (UINT8 *)((UINTN) FileHandle + FileOffset), *ReadSize);\r | |
1710 | \r | |
1711 | return EFI_SUCCESS;\r | |
1712 | }\r | |
1713 | \r | |
ecc722ad | 1714 | /**\r |
1715 | Load PE/COFF image information into internal buffer and check its validity.\r | |
1716 | \r | |
1717 | @retval EFI_SUCCESS Successful\r | |
1718 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
1719 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
1720 | \r | |
1721 | **/\r | |
1722 | EFI_STATUS\r | |
1723 | LoadPeImage (\r | |
20333c6d QL |
1724 | VOID\r |
1725 | )\r | |
ecc722ad | 1726 | {\r |
1727 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
1728 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
1729 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
5e9dfc67 LG |
1730 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r |
1731 | EFI_STATUS Status;\r | |
ecc722ad | 1732 | \r |
1733 | NtHeader32 = NULL;\r | |
1734 | NtHeader64 = NULL;\r | |
5e9dfc67 LG |
1735 | \r |
1736 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
1737 | ImageContext.Handle = (VOID *) mImageBase;\r | |
1738 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE) SecureBootConfigImageRead;\r | |
1739 | \r | |
1740 | //\r | |
1741 | // Get information about the image being loaded\r | |
1742 | //\r | |
1743 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r | |
1744 | if (EFI_ERROR (Status)) {\r | |
1745 | //\r | |
1746 | // The information can't be got from the invalid PeImage\r | |
1747 | //\r | |
1748 | DEBUG ((DEBUG_INFO, "SecureBootConfigDxe: PeImage invalid. \n"));\r | |
1749 | return Status;\r | |
1750 | }\r | |
1751 | \r | |
ecc722ad | 1752 | //\r |
1753 | // Read the Dos header\r | |
1754 | //\r | |
1755 | DosHdr = (EFI_IMAGE_DOS_HEADER*)(mImageBase);\r | |
1756 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE)\r | |
1757 | {\r | |
1758 | //\r | |
20333c6d | 1759 | // DOS image header is present,\r |
ecc722ad | 1760 | // So read the PE header after the DOS image header\r |
1761 | //\r | |
1762 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
1763 | }\r | |
1764 | else\r | |
1765 | {\r | |
1766 | mPeCoffHeaderOffset = 0;\r | |
1767 | }\r | |
1768 | \r | |
1769 | //\r | |
1770 | // Read PE header and check the signature validity and machine compatibility\r | |
1771 | //\r | |
1772 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32*) (mImageBase + mPeCoffHeaderOffset);\r | |
1773 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE)\r | |
1774 | {\r | |
1775 | return EFI_UNSUPPORTED;\r | |
1776 | }\r | |
1777 | \r | |
1778 | mNtHeader.Pe32 = NtHeader32;\r | |
1779 | \r | |
1780 | //\r | |
1781 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1782 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1783 | //\r | |
20333c6d | 1784 | if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32)\r |
a16170a1 AB |
1785 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)\r |
1786 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)) {\r | |
ecc722ad | 1787 | //\r |
a16170a1 | 1788 | // 32-bits Architecture\r |
ecc722ad | 1789 | //\r |
1790 | mImageType = ImageType_IA32;\r | |
1791 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1792 | }\r | |
1793 | else if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
a16170a1 AB |
1794 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)\r |
1795 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_AARCH64)) {\r | |
ecc722ad | 1796 | //\r |
1797 | // 64-bits Architecture\r | |
1798 | //\r | |
1799 | mImageType = ImageType_X64;\r | |
1800 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *) (mImageBase + mPeCoffHeaderOffset);\r | |
1801 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1802 | } else {\r | |
1803 | return EFI_UNSUPPORTED;\r | |
1804 | }\r | |
1805 | \r | |
1806 | return EFI_SUCCESS;\r | |
1807 | }\r | |
1808 | \r | |
1809 | /**\r | |
1810 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1811 | PE/COFF Specification 8.0 Appendix A\r | |
1812 | \r | |
b3548d32 | 1813 | Notes: PE/COFF image has been checked by BasePeCoffLib PeCoffLoaderGetImageInfo() in\r |
5e9dfc67 LG |
1814 | the function LoadPeImage ().\r |
1815 | \r | |
ecc722ad | 1816 | @param[in] HashAlg Hash algorithm type.\r |
20333c6d | 1817 | \r |
ecc722ad | 1818 | @retval TRUE Successfully hash image.\r |
1819 | @retval FALSE Fail in hash image.\r | |
1820 | \r | |
1821 | **/\r | |
20333c6d | 1822 | BOOLEAN\r |
ecc722ad | 1823 | HashPeImage (\r |
1824 | IN UINT32 HashAlg\r | |
1825 | )\r | |
1826 | {\r | |
1827 | BOOLEAN Status;\r | |
ecc722ad | 1828 | EFI_IMAGE_SECTION_HEADER *Section;\r |
1829 | VOID *HashCtx;\r | |
1830 | UINTN CtxSize;\r | |
1831 | UINT8 *HashBase;\r | |
1832 | UINTN HashSize;\r | |
1833 | UINTN SumOfBytesHashed;\r | |
1834 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1835 | UINTN Index;\r | |
1836 | UINTN Pos;\r | |
1837 | \r | |
1838 | HashCtx = NULL;\r | |
1839 | SectionHeader = NULL;\r | |
1840 | Status = FALSE;\r | |
1841 | \r | |
c035e373 | 1842 | if (HashAlg != HASHALG_SHA256) {\r |
ecc722ad | 1843 | return FALSE;\r |
1844 | }\r | |
20333c6d | 1845 | \r |
ecc722ad | 1846 | //\r |
1847 | // Initialize context of hash.\r | |
1848 | //\r | |
1849 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1850 | \r | |
c035e373 ZL |
1851 | mImageDigestSize = SHA256_DIGEST_SIZE;\r |
1852 | mCertType = gEfiCertSha256Guid;\r | |
ecc722ad | 1853 | \r |
1854 | CtxSize = mHash[HashAlg].GetContextSize();\r | |
20333c6d | 1855 | \r |
ecc722ad | 1856 | HashCtx = AllocatePool (CtxSize);\r |
1857 | ASSERT (HashCtx != NULL);\r | |
1858 | \r | |
1859 | // 1. Load the image header into memory.\r | |
1860 | \r | |
1861 | // 2. Initialize a SHA hash context.\r | |
1862 | Status = mHash[HashAlg].HashInit(HashCtx);\r | |
1863 | if (!Status) {\r | |
1864 | goto Done;\r | |
1865 | }\r | |
1866 | //\r | |
1867 | // Measuring PE/COFF Image Header;\r | |
1868 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1869 | //\r | |
20333c6d | 1870 | \r |
ecc722ad | 1871 | //\r |
1872 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1873 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1874 | //\r | |
1875 | HashBase = mImageBase;\r | |
f199664c | 1876 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1877 | //\r |
1878 | // Use PE32 offset.\r | |
1879 | //\r | |
4333b99d | 1880 | HashSize = (UINTN) (&mNtHeader.Pe32->OptionalHeader.CheckSum) - (UINTN) HashBase;\r |
ecc722ad | 1881 | } else {\r |
1882 | //\r | |
1883 | // Use PE32+ offset.\r | |
1884 | //\r | |
4333b99d | 1885 | HashSize = (UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - (UINTN) HashBase;\r |
ecc722ad | 1886 | }\r |
1887 | \r | |
1888 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1889 | if (!Status) {\r | |
1890 | goto Done;\r | |
1891 | }\r | |
1892 | //\r | |
1893 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1894 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1895 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1896 | //\r | |
f199664c | 1897 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1898 | //\r |
1899 | // Use PE32 offset.\r | |
1900 | //\r | |
1901 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r | |
4333b99d | 1902 | HashSize = (UINTN) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN) HashBase;\r |
ecc722ad | 1903 | } else {\r |
1904 | //\r | |
1905 | // Use PE32+ offset.\r | |
20333c6d | 1906 | //\r |
ecc722ad | 1907 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r |
4333b99d | 1908 | HashSize = (UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN) HashBase;\r |
ecc722ad | 1909 | }\r |
1910 | \r | |
1911 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1912 | if (!Status) {\r | |
1913 | goto Done;\r | |
1914 | }\r | |
1915 | //\r | |
1916 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
1917 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
1918 | //\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 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
4333b99d | 1924 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - ((UINTN) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN) mImageBase);\r |
ecc722ad | 1925 | } else {\r |
1926 | //\r | |
1927 | // Use PE32+ offset.\r | |
1928 | //\r | |
1929 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
4333b99d | 1930 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - ((UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN) mImageBase);\r |
ecc722ad | 1931 | }\r |
1932 | \r | |
1933 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1934 | if (!Status) {\r | |
1935 | goto Done;\r | |
1936 | }\r | |
1937 | //\r | |
1938 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
1939 | //\r | |
f199664c | 1940 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1941 | //\r |
1942 | // Use PE32 offset.\r | |
1943 | //\r | |
1944 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
1945 | } else {\r | |
1946 | //\r | |
1947 | // Use PE32+ offset\r | |
1948 | //\r | |
1949 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
1950 | }\r | |
1951 | \r | |
1952 | //\r | |
1953 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
1954 | // structures in the image. The 'NumberOfSections' field of the image\r | |
1955 | // header indicates how big the table should be. Do not include any\r | |
1956 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
1957 | //\r | |
1958 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *) AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r | |
1959 | ASSERT (SectionHeader != NULL);\r | |
1960 | //\r | |
1961 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
1962 | // a key, arrange the elements in the table in ascending order. In other\r | |
1963 | // words, sort the section headers according to the disk-file offset of\r | |
1964 | // the section.\r | |
1965 | //\r | |
1966 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1967 | mImageBase +\r | |
1968 | mPeCoffHeaderOffset +\r | |
1969 | sizeof (UINT32) +\r | |
1970 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
1971 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1972 | );\r | |
1973 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1974 | Pos = Index;\r | |
1975 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
1976 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1977 | Pos--;\r | |
1978 | }\r | |
1979 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1980 | Section += 1;\r | |
1981 | }\r | |
1982 | \r | |
1983 | //\r | |
1984 | // 13. Walk through the sorted table, bring the corresponding section\r | |
1985 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
1986 | // field in the section header to determine the amount of data to hash).\r | |
1987 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
1988 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
1989 | //\r | |
1990 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1991 | Section = &SectionHeader[Index];\r | |
1992 | if (Section->SizeOfRawData == 0) {\r | |
1993 | continue;\r | |
1994 | }\r | |
1995 | HashBase = mImageBase + Section->PointerToRawData;\r | |
1996 | HashSize = (UINTN) Section->SizeOfRawData;\r | |
1997 | \r | |
1998 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1999 | if (!Status) {\r | |
2000 | goto Done;\r | |
2001 | }\r | |
2002 | \r | |
2003 | SumOfBytesHashed += HashSize;\r | |
2004 | }\r | |
2005 | \r | |
2006 | //\r | |
2007 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
2008 | // data in the file that needs to be added to the hash. This data begins\r | |
2009 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
2010 | // FileSize - (CertDirectory->Size)\r | |
2011 | //\r | |
2012 | if (mImageSize > SumOfBytesHashed) {\r | |
2013 | HashBase = mImageBase + SumOfBytesHashed;\r | |
f199664c | 2014 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 2015 | //\r |
2016 | // Use PE32 offset.\r | |
2017 | //\r | |
2018 | HashSize = (UINTN)(\r | |
2019 | mImageSize -\r | |
2020 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
2021 | SumOfBytesHashed);\r | |
2022 | } else {\r | |
2023 | //\r | |
2024 | // Use PE32+ offset.\r | |
2025 | //\r | |
2026 | HashSize = (UINTN)(\r | |
2027 | mImageSize -\r | |
2028 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
20333c6d | 2029 | SumOfBytesHashed);\r |
ecc722ad | 2030 | }\r |
2031 | \r | |
2032 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
2033 | if (!Status) {\r | |
2034 | goto Done;\r | |
2035 | }\r | |
2036 | }\r | |
2037 | \r | |
2038 | Status = mHash[HashAlg].HashFinal(HashCtx, mImageDigest);\r | |
2039 | \r | |
2040 | Done:\r | |
2041 | if (HashCtx != NULL) {\r | |
2042 | FreePool (HashCtx);\r | |
2043 | }\r | |
2044 | if (SectionHeader != NULL) {\r | |
2045 | FreePool (SectionHeader);\r | |
2046 | }\r | |
2047 | return Status;\r | |
2048 | }\r | |
2049 | \r | |
2050 | /**\r | |
69f8bb52 | 2051 | Recognize the Hash algorithm in PE/COFF Authenticode and calculate hash of\r |
20333c6d | 2052 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification\r |
ecc722ad | 2053 | 8.0 Appendix A\r |
2054 | \r | |
2055 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
2056 | @retval EFI_SUCCESS Hash successfully.\r | |
2057 | \r | |
2058 | **/\r | |
20333c6d | 2059 | EFI_STATUS\r |
ecc722ad | 2060 | HashPeImageByType (\r |
2061 | VOID\r | |
2062 | )\r | |
2063 | {\r | |
2064 | UINT8 Index;\r | |
2065 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
2066 | \r | |
2067 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *) (mImageBase + mSecDataDir->Offset);\r | |
2068 | \r | |
20333c6d | 2069 | for (Index = 0; Index < HASHALG_MAX; Index++) {\r |
ecc722ad | 2070 | //\r |
2071 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
20333c6d | 2072 | // According to PKCS#7 Definition:\r |
ecc722ad | 2073 | // SignedData ::= SEQUENCE {\r |
2074 | // version Version,\r | |
2075 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
2076 | // contentInfo ContentInfo,\r | |
2077 | // .... }\r | |
2078 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
2079 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
2080 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
2081 | //\r | |
2082 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r | |
2083 | //\r | |
2084 | // Only support two bytes of Long Form of Length Encoding.\r | |
2085 | //\r | |
2086 | continue;\r | |
2087 | }\r | |
2088 | \r | |
20333c6d | 2089 | //\r |
ecc722ad | 2090 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r |
2091 | break;\r | |
2092 | }\r | |
2093 | }\r | |
2094 | \r | |
2095 | if (Index == HASHALG_MAX) {\r | |
2096 | return EFI_UNSUPPORTED;\r | |
2097 | }\r | |
2098 | \r | |
2099 | //\r | |
2100 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
2101 | //\r | |
2102 | if (!HashPeImage(Index)) {\r | |
2103 | return EFI_UNSUPPORTED;\r | |
2104 | }\r | |
2105 | \r | |
2106 | return EFI_SUCCESS;\r | |
2107 | }\r | |
2108 | \r | |
4de754e1 | 2109 | /**\r |
d6b926e7 | 2110 | Enroll a new signature of executable into Signature Database.\r |
4de754e1 ZC |
2111 | \r |
2112 | @param[in] PrivateData The module's private data.\r | |
2113 | @param[in] VariableName Variable name of signature database, must be\r | |
2114 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2115 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
2116 | \r | |
2117 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2118 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2119 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2120 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2121 | \r | |
2122 | **/\r | |
2123 | EFI_STATUS\r | |
2124 | EnrollAuthentication2Descriptor (\r | |
2125 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2126 | IN CHAR16 *VariableName\r | |
2127 | )\r | |
2128 | {\r | |
2129 | EFI_STATUS Status;\r | |
2130 | VOID *Data;\r | |
2131 | UINTN DataSize;\r | |
2132 | UINT32 Attr;\r | |
2133 | \r | |
2134 | Data = NULL;\r | |
2135 | \r | |
2136 | //\r | |
2137 | // DBT only support DER-X509 Cert Enrollment\r | |
2138 | //\r | |
2139 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r | |
2140 | return EFI_UNSUPPORTED;\r | |
2141 | }\r | |
2142 | \r | |
2143 | //\r | |
2144 | // Read the whole file content\r | |
2145 | //\r | |
2146 | Status = ReadFileContent(\r | |
2147 | Private->FileContext->FHandle,\r | |
2148 | (VOID **) &mImageBase,\r | |
2149 | &mImageSize,\r | |
2150 | 0\r | |
2151 | );\r | |
2152 | if (EFI_ERROR (Status)) {\r | |
2153 | goto ON_EXIT;\r | |
2154 | }\r | |
2155 | ASSERT (mImageBase != NULL);\r | |
2156 | \r | |
2157 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
2158 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
2159 | \r | |
2160 | //\r | |
2161 | // Check if SigDB variable has been already existed.\r | |
2162 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
2163 | // new signature data to original variable\r | |
2164 | //\r | |
2165 | DataSize = 0;\r | |
2166 | Status = gRT->GetVariable(\r | |
2167 | VariableName,\r | |
2168 | &gEfiImageSecurityDatabaseGuid,\r | |
2169 | NULL,\r | |
2170 | &DataSize,\r | |
2171 | NULL\r | |
2172 | );\r | |
2173 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2174 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2175 | } else if (Status != EFI_NOT_FOUND) {\r | |
2176 | goto ON_EXIT;\r | |
2177 | }\r | |
2178 | \r | |
2179 | //\r | |
d6b926e7 | 2180 | // Directly set AUTHENTICATION_2 data to SetVariable\r |
4de754e1 ZC |
2181 | //\r |
2182 | Status = gRT->SetVariable(\r | |
2183 | VariableName,\r | |
2184 | &gEfiImageSecurityDatabaseGuid,\r | |
2185 | Attr,\r | |
2186 | mImageSize,\r | |
2187 | mImageBase\r | |
2188 | );\r | |
2189 | \r | |
2190 | DEBUG((DEBUG_INFO, "Enroll AUTH_2 data to Var:%s Status: %x\n", VariableName, Status));\r | |
2191 | \r | |
2192 | ON_EXIT:\r | |
2193 | \r | |
2194 | CloseEnrolledFile(Private->FileContext);\r | |
2195 | \r | |
2196 | if (Data != NULL) {\r | |
2197 | FreePool (Data);\r | |
2198 | }\r | |
2199 | \r | |
2200 | if (mImageBase != NULL) {\r | |
2201 | FreePool (mImageBase);\r | |
2202 | mImageBase = NULL;\r | |
2203 | }\r | |
2204 | \r | |
2205 | return Status;\r | |
2206 | \r | |
2207 | }\r | |
2208 | \r | |
2209 | \r | |
ecc722ad | 2210 | /**\r |
d6b926e7 | 2211 | Enroll a new signature of executable into Signature Database.\r |
ecc722ad | 2212 | \r |
2213 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
2214 | @param[in] VariableName Variable name of signature database, must be\r |
2215 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2216 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
ecc722ad | 2217 | \r |
2218 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2219 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2220 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2221 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2222 | \r | |
2223 | **/\r | |
2224 | EFI_STATUS\r | |
2225 | EnrollImageSignatureToSigDB (\r | |
2226 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2227 | IN CHAR16 *VariableName\r | |
2228 | )\r | |
2229 | {\r | |
2230 | EFI_STATUS Status;\r | |
2231 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
2232 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
2233 | VOID *Data;\r | |
2234 | UINTN DataSize;\r | |
2235 | UINTN SigDBSize;\r | |
2236 | UINT32 Attr;\r | |
2237 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
2238 | \r | |
2239 | Data = NULL;\r | |
2240 | GuidCertData = NULL;\r | |
ecc722ad | 2241 | \r |
20333c6d QL |
2242 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r |
2243 | return EFI_UNSUPPORTED;\r | |
2244 | }\r | |
2245 | \r | |
ecc722ad | 2246 | //\r |
2247 | // Form the SigDB certificate list.\r | |
2248 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
2249 | //\r | |
d6b926e7 | 2250 | // We need to parse signature data of executable from specified signed executable file.\r |
ecc722ad | 2251 | // In current implementation, we simply trust the pass-in signed executable file.\r |
2252 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
2253 | //\r | |
2254 | \r | |
2255 | //\r | |
2256 | // Read the whole file content\r | |
2257 | //\r | |
2258 | Status = ReadFileContent(\r | |
2259 | Private->FileContext->FHandle,\r | |
20333c6d QL |
2260 | (VOID **) &mImageBase,\r |
2261 | &mImageSize,\r | |
ecc722ad | 2262 | 0\r |
2263 | );\r | |
2264 | if (EFI_ERROR (Status)) {\r | |
2265 | goto ON_EXIT;\r | |
20333c6d | 2266 | }\r |
ba57d4fd | 2267 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 2268 | \r |
2269 | Status = LoadPeImage ();\r | |
2270 | if (EFI_ERROR (Status)) {\r | |
2271 | goto ON_EXIT;\r | |
2272 | }\r | |
2273 | \r | |
2274 | if (mSecDataDir->SizeOfCert == 0) {\r | |
2275 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2276 | Status = EFI_SECURITY_VIOLATION;\r | |
2277 | goto ON_EXIT;\r | |
2278 | }\r | |
2279 | } else {\r | |
20333c6d | 2280 | \r |
ecc722ad | 2281 | //\r |
2282 | // Read the certificate data\r | |
2283 | //\r | |
2284 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
2285 | \r | |
2286 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
2287 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID*) mCertificate;\r | |
2288 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof(EFI_GUID)) != 0) {\r | |
2289 | Status = EFI_ABORTED;\r | |
2290 | goto ON_EXIT;\r | |
2291 | }\r | |
2292 | \r | |
2293 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2294 | Status = EFI_ABORTED;\r | |
2295 | goto ON_EXIT;;\r | |
2296 | }\r | |
20333c6d | 2297 | \r |
ecc722ad | 2298 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r |
2299 | \r | |
2300 | Status = HashPeImageByType ();\r | |
2301 | if (EFI_ERROR (Status)) {\r | |
2302 | goto ON_EXIT;;\r | |
2303 | }\r | |
2304 | } else {\r | |
2305 | Status = EFI_ABORTED;\r | |
2306 | goto ON_EXIT;\r | |
2307 | }\r | |
2308 | }\r | |
2309 | \r | |
2310 | //\r | |
2311 | // Create a new SigDB entry.\r | |
2312 | //\r | |
20333c6d | 2313 | SigDBSize = sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 2314 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
2315 | + (UINT32) mImageDigestSize;\r | |
2316 | \r | |
2317 | Data = (UINT8*) AllocateZeroPool (SigDBSize);\r | |
2318 | if (Data == NULL) {\r | |
2319 | Status = EFI_OUT_OF_RESOURCES;\r | |
2320 | goto ON_EXIT;\r | |
2321 | }\r | |
20333c6d | 2322 | \r |
ecc722ad | 2323 | //\r |
2324 | // Adjust the Certificate Database parameters.\r | |
20333c6d | 2325 | //\r |
ecc722ad | 2326 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r |
2327 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
2328 | SigDBCert->SignatureHeaderSize = 0;\r | |
2329 | SigDBCert->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + (UINT32) mImageDigestSize;\r | |
2330 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r | |
2331 | \r | |
2332 | SigDBCertData = (EFI_SIGNATURE_DATA*)((UINT8*)SigDBCert + sizeof(EFI_SIGNATURE_LIST));\r | |
2333 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
2334 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
2335 | \r | |
20333c6d | 2336 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r |
8c1babfd | 2337 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
2338 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
2339 | if (EFI_ERROR (Status)) {\r | |
2340 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2341 | goto ON_EXIT;\r | |
2342 | }\r | |
20333c6d | 2343 | \r |
ecc722ad | 2344 | //\r |
20333c6d QL |
2345 | // Check if SigDB variable has been already existed.\r |
2346 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 2347 | // new signature data to original variable\r |
20333c6d | 2348 | //\r |
ecc722ad | 2349 | DataSize = 0;\r |
2350 | Status = gRT->GetVariable(\r | |
20333c6d QL |
2351 | VariableName,\r |
2352 | &gEfiImageSecurityDatabaseGuid,\r | |
2353 | NULL,\r | |
2354 | &DataSize,\r | |
ecc722ad | 2355 | NULL\r |
2356 | );\r | |
2357 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2358 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2359 | } else if (Status != EFI_NOT_FOUND) {\r | |
2360 | goto ON_EXIT;\r | |
20333c6d | 2361 | }\r |
ecc722ad | 2362 | \r |
2363 | //\r | |
2364 | // Enroll the variable.\r | |
2365 | //\r | |
2366 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2367 | VariableName,\r |
2368 | &gEfiImageSecurityDatabaseGuid,\r | |
2369 | Attr,\r | |
2370 | SigDBSize,\r | |
ecc722ad | 2371 | Data\r |
2372 | );\r | |
2373 | if (EFI_ERROR (Status)) {\r | |
2374 | goto ON_EXIT;\r | |
2375 | }\r | |
2376 | \r | |
2377 | ON_EXIT:\r | |
2378 | \r | |
4de754e1 | 2379 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 2380 | \r |
2381 | if (Private->SignatureGUID != NULL) {\r | |
2382 | FreePool (Private->SignatureGUID);\r | |
2383 | Private->SignatureGUID = NULL;\r | |
2384 | }\r | |
2385 | \r | |
2386 | if (Data != NULL) {\r | |
2387 | FreePool (Data);\r | |
2388 | }\r | |
2389 | \r | |
2390 | if (mImageBase != NULL) {\r | |
2391 | FreePool (mImageBase);\r | |
2392 | mImageBase = NULL;\r | |
2393 | }\r | |
2394 | \r | |
2395 | return Status;\r | |
2396 | }\r | |
2397 | \r | |
2398 | /**\r | |
20333c6d | 2399 | Enroll signature into DB/DBX/DBT without KEK's authentication.\r |
ecc722ad | 2400 | The SignatureOwner GUID will be Private->SignatureGUID.\r |
20333c6d | 2401 | \r |
ecc722ad | 2402 | @param[in] PrivateData The module's private data.\r |
20333c6d | 2403 | @param[in] VariableName Variable name of signature database, must be\r |
ecc722ad | 2404 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r |
20333c6d | 2405 | \r |
ecc722ad | 2406 | @retval EFI_SUCCESS New signature enrolled successfully.\r |
2407 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2408 | @retval others Fail to enroll signature data.\r | |
20333c6d | 2409 | \r |
ecc722ad | 2410 | **/\r |
2411 | EFI_STATUS\r | |
2412 | EnrollSignatureDatabase (\r | |
2413 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2414 | IN CHAR16 *VariableName\r | |
20333c6d | 2415 | )\r |
ecc722ad | 2416 | {\r |
2417 | UINT16* FilePostFix;\r | |
f71ed839 | 2418 | EFI_STATUS Status;\r |
fd64f84f | 2419 | UINTN NameLength;\r |
ecc722ad | 2420 | \r |
2421 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
2422 | return EFI_INVALID_PARAMETER;\r | |
2423 | }\r | |
2424 | \r | |
20333c6d | 2425 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 2426 | if (EFI_ERROR (Status)) {\r |
2427 | return Status;\r | |
2428 | }\r | |
20333c6d | 2429 | \r |
ecc722ad | 2430 | //\r |
20333c6d | 2431 | // Parse the file's postfix.\r |
ecc722ad | 2432 | //\r |
fd64f84f GCPL |
2433 | NameLength = StrLen (Private->FileContext->FileName);\r |
2434 | if (NameLength <= 4) {\r | |
2435 | return EFI_INVALID_PARAMETER;\r | |
2436 | }\r | |
2437 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
20333c6d | 2438 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
ecc722ad | 2439 | //\r |
e4d7370d | 2440 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 2441 | //\r |
2442 | return EnrollX509toSigDB (Private, VariableName);\r | |
4de754e1 ZC |
2443 | } else if (IsAuthentication2Format(Private->FileContext->FHandle)){\r |
2444 | return EnrollAuthentication2Descriptor(Private, VariableName);\r | |
2445 | } else {\r | |
2446 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
ecc722ad | 2447 | }\r |
ecc722ad | 2448 | }\r |
2449 | \r | |
2450 | /**\r | |
20333c6d | 2451 | List all signatures in specified signature database (e.g. KEK/DB/DBX/DBT)\r |
ecc722ad | 2452 | by GUID in the page for user to select and delete as needed.\r |
2453 | \r | |
2454 | @param[in] PrivateData Module's private data.\r | |
2455 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2456 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2457 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2458 | @param[in] FormId Form ID of current page.\r | |
2459 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2460 | \r | |
2461 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2462 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
20333c6d | 2463 | \r |
ecc722ad | 2464 | **/\r |
2465 | EFI_STATUS\r | |
2466 | UpdateDeletePage (\r | |
2467 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2468 | IN CHAR16 *VariableName,\r | |
2469 | IN EFI_GUID *VendorGuid,\r | |
2470 | IN UINT16 LabelNumber,\r | |
2471 | IN EFI_FORM_ID FormId,\r | |
2472 | IN EFI_QUESTION_ID QuestionIdBase\r | |
2473 | )\r | |
2474 | {\r | |
2475 | EFI_STATUS Status;\r | |
2476 | UINT32 Index;\r | |
2477 | UINTN CertCount;\r | |
2478 | UINTN GuidIndex;\r | |
2479 | VOID *StartOpCodeHandle;\r | |
2480 | VOID *EndOpCodeHandle;\r | |
2481 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
20333c6d | 2482 | EFI_IFR_GUID_LABEL *EndLabel;\r |
ecc722ad | 2483 | UINTN DataSize;\r |
2484 | UINT8 *Data;\r | |
2485 | EFI_SIGNATURE_LIST *CertList;\r | |
2486 | EFI_SIGNATURE_DATA *Cert;\r | |
2487 | UINT32 ItemDataSize;\r | |
2488 | CHAR16 *GuidStr;\r | |
2489 | EFI_STRING_ID GuidID;\r | |
2490 | EFI_STRING_ID Help;\r | |
2491 | \r | |
2492 | Data = NULL;\r | |
2493 | CertList = NULL;\r | |
2494 | Cert = NULL;\r | |
2495 | GuidStr = NULL;\r | |
2496 | StartOpCodeHandle = NULL;\r | |
2497 | EndOpCodeHandle = NULL;\r | |
20333c6d | 2498 | \r |
ecc722ad | 2499 | //\r |
2500 | // Initialize the container for dynamic opcodes.\r | |
2501 | //\r | |
2502 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2503 | if (StartOpCodeHandle == NULL) {\r | |
2504 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2505 | goto ON_EXIT;\r |
ecc722ad | 2506 | }\r |
2507 | \r | |
2508 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2509 | if (EndOpCodeHandle == NULL) {\r | |
2510 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2511 | goto ON_EXIT;\r |
ecc722ad | 2512 | }\r |
2513 | \r | |
2514 | //\r | |
2515 | // Create Hii Extend Label OpCode.\r | |
2516 | //\r | |
2517 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2518 | StartOpCodeHandle,\r | |
2519 | &gEfiIfrTianoGuid,\r | |
2520 | NULL,\r | |
2521 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2522 | );\r | |
2523 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2524 | StartLabel->Number = LabelNumber;\r | |
2525 | \r | |
2526 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2527 | EndOpCodeHandle,\r | |
2528 | &gEfiIfrTianoGuid,\r | |
2529 | NULL,\r | |
2530 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2531 | );\r | |
2532 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2533 | EndLabel->Number = LABEL_END;\r | |
2534 | \r | |
2535 | //\r | |
2536 | // Read Variable.\r | |
2537 | //\r | |
2538 | DataSize = 0;\r | |
20333c6d | 2539 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r |
ecc722ad | 2540 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r |
2541 | goto ON_EXIT;\r | |
2542 | }\r | |
2543 | \r | |
2544 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2545 | if (Data == NULL) {\r | |
2546 | Status = EFI_OUT_OF_RESOURCES;\r | |
2547 | goto ON_EXIT;\r | |
2548 | }\r | |
2549 | \r | |
2550 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
2551 | if (EFI_ERROR (Status)) {\r | |
2552 | goto ON_EXIT;\r | |
2553 | }\r | |
2554 | \r | |
2555 | GuidStr = AllocateZeroPool (100);\r | |
2556 | if (GuidStr == NULL) {\r | |
2557 | Status = EFI_OUT_OF_RESOURCES;\r | |
2558 | goto ON_EXIT;\r | |
2559 | }\r | |
2560 | \r | |
2561 | //\r | |
2562 | // Enumerate all KEK pub data.\r | |
2563 | //\r | |
2564 | ItemDataSize = (UINT32) DataSize;\r | |
2565 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2566 | GuidIndex = 0;\r | |
2567 | \r | |
2568 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2569 | \r | |
2570 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
2571 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
2572 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2573 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
2574 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
2575 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
2576 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
2577 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
20333c6d QL |
2578 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid)) {\r |
2579 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA256_GUID);\r | |
2580 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
2581 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA384_GUID);\r | |
2582 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
2583 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA512_GUID);\r | |
ecc722ad | 2584 | } else {\r |
2585 | //\r | |
2586 | // The signature type is not supported in current implementation.\r | |
2587 | //\r | |
b7d269ea | 2588 | ItemDataSize -= CertList->SignatureListSize;\r |
2589 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
ecc722ad | 2590 | continue;\r |
2591 | }\r | |
2592 | \r | |
2593 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2594 | for (Index = 0; Index < CertCount; Index++) {\r | |
20333c6d QL |
2595 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList\r |
2596 | + sizeof (EFI_SIGNATURE_LIST)\r | |
2597 | + CertList->SignatureHeaderSize\r | |
ecc722ad | 2598 | + Index * CertList->SignatureSize);\r |
2599 | //\r | |
20333c6d | 2600 | // Display GUID and help\r |
ecc722ad | 2601 | //\r |
2602 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
2603 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r | |
2604 | HiiCreateCheckBoxOpCode (\r | |
2605 | StartOpCodeHandle,\r | |
2606 | (EFI_QUESTION_ID) (QuestionIdBase + GuidIndex++),\r | |
20333c6d QL |
2607 | 0,\r |
2608 | 0,\r | |
2609 | GuidID,\r | |
ecc722ad | 2610 | Help,\r |
2611 | EFI_IFR_FLAG_CALLBACK,\r | |
2612 | 0,\r | |
2613 | NULL\r | |
20333c6d | 2614 | );\r |
ecc722ad | 2615 | }\r |
2616 | \r | |
2617 | ItemDataSize -= CertList->SignatureListSize;\r | |
2618 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2619 | }\r | |
2620 | \r | |
2621 | ON_EXIT:\r | |
2622 | HiiUpdateForm (\r | |
2623 | PrivateData->HiiHandle,\r | |
2624 | &gSecureBootConfigFormSetGuid,\r | |
2625 | FormId,\r | |
2626 | StartOpCodeHandle,\r | |
2627 | EndOpCodeHandle\r | |
2628 | );\r | |
2629 | \r | |
2630 | if (StartOpCodeHandle != NULL) {\r | |
2631 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2632 | }\r | |
2633 | \r | |
2634 | if (EndOpCodeHandle != NULL) {\r | |
2635 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2636 | }\r | |
20333c6d | 2637 | \r |
ecc722ad | 2638 | if (Data != NULL) {\r |
2639 | FreePool (Data);\r | |
2640 | }\r | |
2641 | \r | |
2642 | if (GuidStr != NULL) {\r | |
2643 | FreePool (GuidStr);\r | |
2644 | }\r | |
2645 | \r | |
2646 | return EFI_SUCCESS;\r | |
2647 | }\r | |
2648 | \r | |
beda2356 | 2649 | /**\r |
20333c6d | 2650 | Delete a KEK entry from KEK database.\r |
beda2356 | 2651 | \r |
ecc722ad | 2652 | @param[in] PrivateData Module's private data.\r |
2653 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 2654 | \r |
ecc722ad | 2655 | @retval EFI_SUCCESS Delete kek item successfully.\r |
2656 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 2657 | \r |
ecc722ad | 2658 | **/\r |
2659 | EFI_STATUS\r | |
2660 | DeleteKeyExchangeKey (\r | |
2661 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2662 | IN EFI_QUESTION_ID QuestionId\r | |
2663 | )\r | |
2664 | {\r | |
2665 | EFI_STATUS Status;\r | |
2666 | UINTN DataSize;\r | |
2667 | UINT8 *Data;\r | |
2668 | UINT8 *OldData;\r | |
2669 | UINT32 Attr;\r | |
2670 | UINT32 Index;\r | |
2671 | EFI_SIGNATURE_LIST *CertList;\r | |
2672 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2673 | EFI_SIGNATURE_DATA *Cert;\r | |
2674 | UINTN CertCount;\r | |
2675 | UINT32 Offset;\r | |
2676 | BOOLEAN IsKEKItemFound;\r | |
2677 | UINT32 KekDataSize;\r | |
2678 | UINTN DeleteKekIndex;\r | |
2679 | UINTN GuidIndex;\r | |
2680 | \r | |
2681 | Data = NULL;\r | |
2682 | OldData = NULL;\r | |
2683 | CertList = NULL;\r | |
2684 | Cert = NULL;\r | |
20333c6d | 2685 | Attr = 0;\r |
ecc722ad | 2686 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r |
f71ed839 | 2687 | \r |
2688 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
2689 | if (EFI_ERROR (Status)) {\r | |
2690 | return Status;\r | |
2691 | }\r | |
20333c6d | 2692 | \r |
ecc722ad | 2693 | //\r |
2694 | // Get original KEK variable.\r | |
20333c6d QL |
2695 | //\r |
2696 | DataSize = 0;\r | |
ecc722ad | 2697 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r |
2698 | if (EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2699 | goto ON_EXIT;\r | |
2700 | }\r | |
2701 | \r | |
2702 | OldData = (UINT8*)AllocateZeroPool(DataSize);\r | |
2703 | if (OldData == NULL) {\r | |
20333c6d | 2704 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2705 | goto ON_EXIT;\r |
2706 | }\r | |
2707 | \r | |
2708 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
2709 | if (EFI_ERROR(Status)) {\r | |
2710 | goto ON_EXIT;\r | |
2711 | }\r | |
2712 | \r | |
2713 | //\r | |
20333c6d | 2714 | // Allocate space for new variable.\r |
ecc722ad | 2715 | //\r |
2716 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2717 | if (Data == NULL) {\r | |
2718 | Status = EFI_OUT_OF_RESOURCES;\r | |
2719 | goto ON_EXIT;\r | |
2720 | }\r | |
2721 | \r | |
2722 | //\r | |
2723 | // Enumerate all KEK pub data and erasing the target item.\r | |
2724 | //\r | |
2725 | IsKEKItemFound = FALSE;\r | |
2726 | KekDataSize = (UINT32) DataSize;\r | |
2727 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2728 | Offset = 0;\r | |
2729 | GuidIndex = 0;\r | |
2730 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2731 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2732 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2733 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2734 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
2735 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2736 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2737 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2738 | for (Index = 0; Index < CertCount; Index++) {\r | |
2739 | if (GuidIndex == DeleteKekIndex ) {\r | |
2740 | //\r | |
2741 | // Find it! Skip it!\r | |
2742 | //\r | |
2743 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2744 | IsKEKItemFound = TRUE;\r |
ecc722ad | 2745 | } else {\r |
2746 | //\r | |
2747 | // This item doesn't match. Copy it to the Data buffer.\r | |
2748 | //\r | |
2749 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
2750 | Offset += CertList->SignatureSize;\r | |
2751 | }\r | |
2752 | GuidIndex++;\r | |
2753 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8*) Cert + CertList->SignatureSize);\r | |
2754 | }\r | |
2755 | } else {\r | |
2756 | //\r | |
2757 | // This List doesn't match. Copy it to the Data buffer.\r | |
2758 | //\r | |
2759 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
2760 | Offset += CertList->SignatureListSize;\r | |
2761 | }\r | |
20333c6d | 2762 | \r |
ecc722ad | 2763 | KekDataSize -= CertList->SignatureListSize;\r |
2764 | CertList = (EFI_SIGNATURE_LIST*) ((UINT8*) CertList + CertList->SignatureListSize);\r | |
2765 | }\r | |
2766 | \r | |
2767 | if (!IsKEKItemFound) {\r | |
2768 | //\r | |
2769 | // Doesn't find the Kek Item!\r | |
2770 | //\r | |
2771 | Status = EFI_NOT_FOUND;\r | |
2772 | goto ON_EXIT;\r | |
2773 | }\r | |
2774 | \r | |
2775 | //\r | |
2776 | // Delete the Signature header if there is no signature in the list.\r | |
2777 | //\r | |
2778 | KekDataSize = Offset;\r | |
2779 | CertList = (EFI_SIGNATURE_LIST*) Data;\r | |
2780 | Offset = 0;\r | |
2781 | ZeroMem (OldData, KekDataSize);\r | |
2782 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2783 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2784 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2785 | if (CertCount != 0) {\r |
2786 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
2787 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2788 | }\r |
ecc722ad | 2789 | KekDataSize -= CertList->SignatureListSize;\r |
2790 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2791 | }\r | |
2792 | \r | |
ecc722ad | 2793 | DataSize = Offset;\r |
8c1babfd | 2794 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2795 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2796 | if (EFI_ERROR (Status)) {\r | |
2797 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2798 | goto ON_EXIT;\r | |
2799 | }\r | |
2800 | }\r | |
ecc722ad | 2801 | \r |
2802 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2803 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2804 | &gEfiGlobalVariableGuid,\r | |
2805 | Attr,\r | |
2806 | DataSize,\r | |
ecc722ad | 2807 | OldData\r |
2808 | );\r | |
2809 | if (EFI_ERROR (Status)) {\r | |
2810 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
2811 | goto ON_EXIT;\r | |
2812 | }\r | |
20333c6d | 2813 | \r |
ecc722ad | 2814 | ON_EXIT:\r |
2815 | if (Data != NULL) {\r | |
2816 | FreePool(Data);\r | |
2817 | }\r | |
2818 | \r | |
2819 | if (OldData != NULL) {\r | |
2820 | FreePool(OldData);\r | |
2821 | }\r | |
2822 | \r | |
2823 | return UpdateDeletePage (\r | |
20333c6d | 2824 | PrivateData,\r |
ecc722ad | 2825 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2826 | &gEfiGlobalVariableGuid,\r | |
2827 | LABEL_KEK_DELETE,\r | |
2828 | FORMID_DELETE_KEK_FORM,\r | |
2829 | OPTION_DEL_KEK_QUESTION_ID\r | |
2830 | );\r | |
2831 | }\r | |
2832 | \r | |
2833 | /**\r | |
85974aef | 2834 | Delete a signature entry from signature database.\r |
beda2356 | 2835 | \r |
ecc722ad | 2836 | @param[in] PrivateData Module's private data.\r |
2837 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2838 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2839 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2840 | @param[in] FormId Form ID of current page.\r | |
2841 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2842 | @param[in] DeleteIndex Signature index to delete.\r | |
20333c6d | 2843 | \r |
85974aef | 2844 | @retval EFI_SUCCESS Delete signature successfully.\r |
ecc722ad | 2845 | @retval EFI_NOT_FOUND Can't find the signature item,\r |
2846 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 2847 | **/\r |
2848 | EFI_STATUS\r | |
ecc722ad | 2849 | DeleteSignature (\r |
2850 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2851 | IN CHAR16 *VariableName,\r | |
2852 | IN EFI_GUID *VendorGuid,\r | |
2853 | IN UINT16 LabelNumber,\r | |
2854 | IN EFI_FORM_ID FormId,\r | |
2855 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
2856 | IN UINTN DeleteIndex\r | |
beda2356 | 2857 | )\r |
2858 | {\r | |
ecc722ad | 2859 | EFI_STATUS Status;\r |
2860 | UINTN DataSize;\r | |
2861 | UINT8 *Data;\r | |
2862 | UINT8 *OldData;\r | |
2863 | UINT32 Attr;\r | |
2864 | UINT32 Index;\r | |
2865 | EFI_SIGNATURE_LIST *CertList;\r | |
2866 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2867 | EFI_SIGNATURE_DATA *Cert;\r | |
2868 | UINTN CertCount;\r | |
2869 | UINT32 Offset;\r | |
2870 | BOOLEAN IsItemFound;\r | |
2871 | UINT32 ItemDataSize;\r | |
2872 | UINTN GuidIndex;\r | |
bc0c99b3 | 2873 | \r |
ecc722ad | 2874 | Data = NULL;\r |
2875 | OldData = NULL;\r | |
2876 | CertList = NULL;\r | |
2877 | Cert = NULL;\r | |
20333c6d | 2878 | Attr = 0;\r |
ecc722ad | 2879 | \r |
f71ed839 | 2880 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
2881 | if (EFI_ERROR (Status)) {\r | |
2882 | return Status;\r | |
2883 | }\r | |
2884 | \r | |
ecc722ad | 2885 | //\r |
2886 | // Get original signature list data.\r | |
20333c6d | 2887 | //\r |
ecc722ad | 2888 | DataSize = 0;\r |
2889 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r | |
2890 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2891 | goto ON_EXIT;\r | |
2892 | }\r | |
2893 | \r | |
2894 | OldData = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2895 | if (OldData == NULL) {\r | |
20333c6d | 2896 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2897 | goto ON_EXIT;\r |
2898 | }\r | |
2899 | \r | |
2900 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
2901 | if (EFI_ERROR(Status)) {\r | |
2902 | goto ON_EXIT;\r | |
20333c6d | 2903 | }\r |
ecc722ad | 2904 | \r |
2905 | //\r | |
20333c6d | 2906 | // Allocate space for new variable.\r |
ecc722ad | 2907 | //\r |
2908 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2909 | if (Data == NULL) {\r | |
2910 | Status = EFI_OUT_OF_RESOURCES;\r | |
2911 | goto ON_EXIT;\r | |
2912 | }\r | |
2913 | \r | |
2914 | //\r | |
2915 | // Enumerate all signature data and erasing the target item.\r | |
2916 | //\r | |
2917 | IsItemFound = FALSE;\r | |
2918 | ItemDataSize = (UINT32) DataSize;\r | |
2919 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2920 | Offset = 0;\r | |
2921 | GuidIndex = 0;\r | |
2922 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2923 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2924 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
2925 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
20333c6d QL |
2926 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid) ||\r |
2927 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid) ||\r | |
2928 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid) ||\r | |
2929 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)\r | |
ecc722ad | 2930 | ) {\r |
2931 | //\r | |
2932 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
2933 | //\r | |
2934 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2935 | NewCertList = (EFI_SIGNATURE_LIST*) (Data + Offset);\r | |
2936 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2937 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2938 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2939 | for (Index = 0; Index < CertCount; Index++) {\r | |
2940 | if (GuidIndex == DeleteIndex) {\r | |
2941 | //\r | |
2942 | // Find it! Skip it!\r | |
2943 | //\r | |
2944 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2945 | IsItemFound = TRUE;\r |
ecc722ad | 2946 | } else {\r |
2947 | //\r | |
2948 | // This item doesn't match. Copy it to the Data buffer.\r | |
2949 | //\r | |
2950 | CopyMem (Data + Offset, (UINT8*)(Cert), CertList->SignatureSize);\r | |
2951 | Offset += CertList->SignatureSize;\r | |
2952 | }\r | |
2953 | GuidIndex++;\r | |
2954 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
2955 | }\r | |
2956 | } else {\r | |
2957 | //\r | |
2958 | // This List doesn't match. Just copy it to the Data buffer.\r | |
2959 | //\r | |
2960 | CopyMem (Data + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2961 | Offset += CertList->SignatureListSize;\r | |
2962 | }\r | |
20333c6d | 2963 | \r |
ecc722ad | 2964 | ItemDataSize -= CertList->SignatureListSize;\r |
2965 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2966 | }\r | |
2967 | \r | |
2968 | if (!IsItemFound) {\r | |
2969 | //\r | |
2970 | // Doesn't find the signature Item!\r | |
2971 | //\r | |
2972 | Status = EFI_NOT_FOUND;\r | |
2973 | goto ON_EXIT;\r | |
2974 | }\r | |
2975 | \r | |
2976 | //\r | |
2977 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
2978 | //\r | |
2979 | ItemDataSize = Offset;\r | |
2980 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2981 | Offset = 0;\r | |
2982 | ZeroMem (OldData, ItemDataSize);\r | |
2983 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2984 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2985 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2986 | if (CertCount != 0) {\r |
2987 | CopyMem (OldData + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2988 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2989 | }\r |
ecc722ad | 2990 | ItemDataSize -= CertList->SignatureListSize;\r |
2991 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2992 | }\r | |
2993 | \r | |
ecc722ad | 2994 | DataSize = Offset;\r |
8c1babfd | 2995 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2996 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2997 | if (EFI_ERROR (Status)) {\r | |
2998 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2999 | goto ON_EXIT;\r | |
3000 | }\r | |
3001 | }\r | |
ecc722ad | 3002 | \r |
3003 | Status = gRT->SetVariable(\r | |
20333c6d QL |
3004 | VariableName,\r |
3005 | VendorGuid,\r | |
3006 | Attr,\r | |
3007 | DataSize,\r | |
ecc722ad | 3008 | OldData\r |
3009 | );\r | |
beda2356 | 3010 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 3011 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
3012 | goto ON_EXIT;\r | |
beda2356 | 3013 | }\r |
20333c6d | 3014 | \r |
ecc722ad | 3015 | ON_EXIT:\r |
3016 | if (Data != NULL) {\r | |
3017 | FreePool(Data);\r | |
3018 | }\r | |
3019 | \r | |
3020 | if (OldData != NULL) {\r | |
3021 | FreePool(OldData);\r | |
3022 | }\r | |
3023 | \r | |
3024 | return UpdateDeletePage (\r | |
20333c6d | 3025 | PrivateData,\r |
ecc722ad | 3026 | VariableName,\r |
3027 | VendorGuid,\r | |
3028 | LabelNumber,\r | |
3029 | FormId,\r | |
3030 | QuestionIdBase\r | |
3031 | );\r | |
3032 | }\r | |
3033 | \r | |
85974aef | 3034 | /**\r |
3035 | This function to delete signature list or data, according by DelType.\r | |
3036 | \r | |
3037 | @param[in] PrivateData Module's private data.\r | |
3038 | @param[in] DelType Indicate delete signature list or data.\r | |
3039 | @param[in] CheckedCount Indicate how many signature data have\r | |
3040 | been checked in current signature list.\r | |
3041 | \r | |
3042 | @retval EFI_SUCCESS Success to update the signature list page\r | |
3043 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3044 | **/\r | |
3045 | EFI_STATUS\r | |
3046 | DeleteSignatureEx (\r | |
3047 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
3048 | IN SIGNATURE_DELETE_TYPE DelType,\r | |
3049 | IN UINT32 CheckedCount\r | |
3050 | )\r | |
3051 | {\r | |
3052 | EFI_STATUS Status;\r | |
3053 | EFI_SIGNATURE_LIST *ListWalker;\r | |
3054 | EFI_SIGNATURE_LIST *NewCertList;\r | |
3055 | EFI_SIGNATURE_DATA *DataWalker;\r | |
65c77f02 | 3056 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
85974aef | 3057 | UINT32 VariableAttr;\r |
3058 | UINTN VariableDataSize;\r | |
3059 | UINTN RemainingSize;\r | |
3060 | UINTN ListIndex;\r | |
3061 | UINTN Index;\r | |
3062 | UINTN Offset;\r | |
3063 | UINT8 *VariableData;\r | |
3064 | UINT8 *NewVariableData;\r | |
3065 | \r | |
3066 | Status = EFI_SUCCESS;\r | |
85974aef | 3067 | VariableAttr = 0;\r |
3068 | VariableDataSize = 0;\r | |
3069 | ListIndex = 0;\r | |
3070 | Offset = 0;\r | |
3071 | VariableData = NULL;\r | |
3072 | NewVariableData = NULL;\r | |
3073 | \r | |
0085d619 | 3074 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 3075 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 3076 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 3077 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 3078 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 3079 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 3080 | } else {\r |
3081 | goto ON_EXIT;\r | |
3082 | }\r | |
3083 | \r | |
3084 | Status = gRT->GetVariable (\r | |
3085 | VariableName,\r | |
3086 | &gEfiImageSecurityDatabaseGuid,\r | |
3087 | &VariableAttr,\r | |
3088 | &VariableDataSize,\r | |
3089 | VariableData\r | |
3090 | );\r | |
3091 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
3092 | goto ON_EXIT;\r | |
3093 | }\r | |
3094 | \r | |
3095 | VariableData = AllocateZeroPool (VariableDataSize);\r | |
3096 | if (VariableData == NULL) {\r | |
3097 | Status = EFI_OUT_OF_RESOURCES;\r | |
3098 | goto ON_EXIT;\r | |
3099 | }\r | |
3100 | \r | |
3101 | Status = gRT->GetVariable (\r | |
3102 | VariableName,\r | |
3103 | &gEfiImageSecurityDatabaseGuid,\r | |
3104 | &VariableAttr,\r | |
3105 | &VariableDataSize,\r | |
3106 | VariableData\r | |
3107 | );\r | |
3108 | if (EFI_ERROR (Status)) {\r | |
3109 | goto ON_EXIT;\r | |
3110 | }\r | |
3111 | \r | |
3112 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
3113 | if (EFI_ERROR (Status)) {\r | |
3114 | goto ON_EXIT;\r | |
3115 | }\r | |
3116 | \r | |
3117 | NewVariableData = AllocateZeroPool (VariableDataSize);\r | |
3118 | if (NewVariableData == NULL) {\r | |
3119 | Status = EFI_OUT_OF_RESOURCES;\r | |
3120 | goto ON_EXIT;\r | |
3121 | }\r | |
3122 | \r | |
3123 | RemainingSize = VariableDataSize;\r | |
3124 | ListWalker = (EFI_SIGNATURE_LIST *)(VariableData);\r | |
0085d619 | 3125 | if (DelType == Delete_Signature_List_All) {\r |
85974aef | 3126 | VariableDataSize = 0;\r |
3127 | } else {\r | |
dcd70885 LG |
3128 | //\r |
3129 | // Traverse to target EFI_SIGNATURE_LIST but others will be skipped.\r | |
3130 | //\r | |
85974aef | 3131 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex < PrivateData->ListIndex) {\r |
3132 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, ListWalker->SignatureListSize);\r | |
3133 | Offset += ListWalker->SignatureListSize;\r | |
3134 | \r | |
3135 | RemainingSize -= ListWalker->SignatureListSize;\r | |
3136 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
3137 | ListIndex++;\r | |
3138 | }\r | |
3139 | \r | |
dcd70885 LG |
3140 | //\r |
3141 | // Handle the target EFI_SIGNATURE_LIST.\r | |
3142 | // If CheckedCount == SIGNATURE_DATA_COUNTS (ListWalker) or DelType == Delete_Signature_List_One\r | |
3143 | // it means delete the whole EFI_SIGNATURE_LIST, So we just skip this EFI_SIGNATURE_LIST.\r | |
3144 | //\r | |
3145 | if (CheckedCount < SIGNATURE_DATA_COUNTS (ListWalker) && DelType == Delete_Signature_Data) {\r | |
85974aef | 3146 | NewCertList = (EFI_SIGNATURE_LIST *)(NewVariableData + Offset);\r |
3147 | //\r | |
3148 | // Copy header.\r | |
3149 | //\r | |
dcd70885 | 3150 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
85974aef | 3151 | Offset += sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize;\r |
3152 | \r | |
3153 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof(EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r | |
3154 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS(ListWalker); Index = Index + 1) {\r | |
3155 | if (PrivateData->CheckArray[Index]) {\r | |
3156 | //\r | |
3157 | // Delete checked signature data, and update the size of whole signature list.\r | |
3158 | //\r | |
3159 | NewCertList->SignatureListSize -= NewCertList->SignatureSize;\r | |
3160 | } else {\r | |
3161 | //\r | |
3162 | // Remain the unchecked signature data.\r | |
3163 | //\r | |
3164 | CopyMem ((UINT8 *)NewVariableData + Offset, DataWalker, ListWalker->SignatureSize);\r | |
3165 | Offset += ListWalker->SignatureSize;\r | |
3166 | }\r | |
3167 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r | |
3168 | }\r | |
85974aef | 3169 | }\r |
3170 | \r | |
dcd70885 LG |
3171 | RemainingSize -= ListWalker->SignatureListSize;\r |
3172 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
3173 | \r | |
85974aef | 3174 | //\r |
3175 | // Copy remaining data, maybe 0.\r | |
3176 | //\r | |
3177 | CopyMem((UINT8 *)NewVariableData + Offset, ListWalker, RemainingSize);\r | |
3178 | Offset += RemainingSize;\r | |
3179 | \r | |
3180 | VariableDataSize = Offset;\r | |
3181 | }\r | |
3182 | \r | |
3183 | if ((VariableAttr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r | |
3184 | Status = CreateTimeBasedPayload (&VariableDataSize, &NewVariableData);\r | |
3185 | if (EFI_ERROR (Status)) {\r | |
3186 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
3187 | goto ON_EXIT;\r | |
3188 | }\r | |
3189 | }\r | |
3190 | \r | |
3191 | Status = gRT->SetVariable (\r | |
3192 | VariableName,\r | |
3193 | &gEfiImageSecurityDatabaseGuid,\r | |
3194 | VariableAttr,\r | |
3195 | VariableDataSize,\r | |
3196 | NewVariableData\r | |
3197 | );\r | |
3198 | if (EFI_ERROR (Status)) {\r | |
3199 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r", Status));\r | |
3200 | goto ON_EXIT;\r | |
3201 | }\r | |
3202 | \r | |
3203 | ON_EXIT:\r | |
85974aef | 3204 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3205 | SECUREBOOT_FREE_NON_NULL (NewVariableData);\r | |
3206 | \r | |
3207 | return Status;\r | |
3208 | }\r | |
3209 | \r | |
02dd6af9 CZ |
3210 | /**\r |
3211 | \r | |
3212 | Update SecureBoot strings based on new Secure Boot Mode State. String includes STR_SECURE_BOOT_STATE_CONTENT\r | |
3213 | and STR_CUR_SECURE_BOOT_MODE_CONTENT.\r | |
3214 | \r | |
3215 | @param[in] PrivateData Module's private data.\r | |
3216 | \r | |
3217 | @return EFI_SUCCESS Update secure boot strings successfully.\r | |
3218 | @return other Fail to update secure boot strings.\r | |
3219 | \r | |
3220 | **/\r | |
3221 | EFI_STATUS\r | |
3222 | UpdateSecureBootString(\r | |
3223 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
abffadf0 ZC |
3224 | )\r |
3225 | {\r | |
02dd6af9 CZ |
3226 | UINT8 *SecureBoot;\r |
3227 | \r | |
e8cd9b80 CZ |
3228 | SecureBoot = NULL;\r |
3229 | \r | |
02dd6af9 CZ |
3230 | //\r |
3231 | // Get current secure boot state.\r | |
3232 | //\r | |
e8cd9b80 CZ |
3233 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SecureBoot, NULL);\r |
3234 | if (SecureBoot == NULL) {\r | |
3235 | return EFI_NOT_FOUND;\r | |
02dd6af9 CZ |
3236 | }\r |
3237 | \r | |
3238 | if (*SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
3239 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
3240 | } else {\r | |
3241 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
3242 | }\r | |
02dd6af9 CZ |
3243 | \r |
3244 | FreePool(SecureBoot);\r | |
3245 | \r | |
3246 | return EFI_SUCCESS;\r | |
3247 | }\r | |
3248 | \r | |
ecc722ad | 3249 | /**\r |
3250 | This function extracts configuration from variable.\r | |
20333c6d | 3251 | \r |
4de754e1 | 3252 | @param[in] Private Point to SecureBoot configuration driver private data.\r |
ecc722ad | 3253 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r |
3254 | \r | |
3255 | **/\r | |
3256 | VOID\r | |
3257 | SecureBootExtractConfigFromVariable (\r | |
4de754e1 | 3258 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
ecc722ad | 3259 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r |
20333c6d | 3260 | )\r |
ecc722ad | 3261 | {\r |
20333c6d | 3262 | UINT8 *SecureBootEnable;\r |
12087ff6 | 3263 | UINT8 *SetupMode;\r |
20333c6d QL |
3264 | UINT8 *SecureBootMode;\r |
3265 | EFI_TIME CurrTime;\r | |
ecc722ad | 3266 | \r |
3267 | SecureBootEnable = NULL;\r | |
12087ff6 | 3268 | SetupMode = NULL;\r |
ecc722ad | 3269 | SecureBootMode = NULL;\r |
20333c6d QL |
3270 | \r |
3271 | //\r | |
d6b926e7 | 3272 | // Initialize the Date and Time using system time.\r |
20333c6d QL |
3273 | //\r |
3274 | ConfigData->CertificateFormat = HASHALG_RAW;\r | |
3275 | ConfigData->AlwaysRevocation = TRUE;\r | |
3276 | gRT->GetTime (&CurrTime, NULL);\r | |
3277 | ConfigData->RevocationDate.Year = CurrTime.Year;\r | |
3278 | ConfigData->RevocationDate.Month = CurrTime.Month;\r | |
3279 | ConfigData->RevocationDate.Day = CurrTime.Day;\r | |
3280 | ConfigData->RevocationTime.Hour = CurrTime.Hour;\r | |
3281 | ConfigData->RevocationTime.Minute = CurrTime.Minute;\r | |
3282 | ConfigData->RevocationTime.Second = 0;\r | |
4de754e1 ZC |
3283 | if (Private->FileContext->FHandle != NULL) {\r |
3284 | ConfigData->FileEnrollType = Private->FileContext->FileType;\r | |
3285 | } else {\r | |
3286 | ConfigData->FileEnrollType = UNKNOWN_FILE_TYPE;\r | |
3287 | }\r | |
20333c6d | 3288 | \r |
ecc722ad | 3289 | //\r |
3290 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
3291 | //\r | |
3292 | if (UserPhysicalPresent()) {\r | |
3293 | ConfigData->PhysicalPresent = TRUE;\r | |
3294 | } else {\r | |
3295 | ConfigData->PhysicalPresent = FALSE;\r | |
3296 | }\r | |
20333c6d | 3297 | \r |
96832eef CZ |
3298 | //\r |
3299 | // If there is no PK then the Delete Pk button will be gray.\r | |
3300 | //\r | |
12087ff6 ZC |
3301 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
3302 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
96832eef CZ |
3303 | ConfigData->HasPk = FALSE;\r |
3304 | } else {\r | |
3305 | ConfigData->HasPk = TRUE;\r | |
3306 | }\r | |
3307 | \r | |
126f3b1d | 3308 | //\r |
d6b926e7 | 3309 | // Check SecureBootEnable & Pk status, fix the inconsistency.\r |
126f3b1d ZC |
3310 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r |
3311 | // Checkbox.\r | |
3312 | //\r | |
3313 | ConfigData->AttemptSecureBoot = FALSE;\r | |
b3548d32 | 3314 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
126f3b1d ZC |
3315 | \r |
3316 | //\r | |
d6b926e7 | 3317 | // Fix Pk and SecureBootEnable inconsistency\r |
126f3b1d | 3318 | //\r |
f1005559 | 3319 | if ((SetupMode != NULL) && (*SetupMode) == USER_MODE) {\r |
126f3b1d ZC |
3320 | ConfigData->HideSecureBoot = FALSE;\r |
3321 | if ((SecureBootEnable != NULL) && (*SecureBootEnable == SECURE_BOOT_ENABLE)) {\r | |
3322 | ConfigData->AttemptSecureBoot = TRUE;\r | |
3323 | }\r | |
3324 | } else {\r | |
3325 | ConfigData->HideSecureBoot = TRUE;\r | |
3326 | }\r | |
3327 | \r | |
12087ff6 ZC |
3328 | //\r |
3329 | // Get the SecureBootMode from CustomMode variable.\r | |
3330 | //\r | |
3331 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3332 | if (SecureBootMode == NULL) {\r | |
3333 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3334 | } else {\r | |
3335 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
3336 | }\r | |
3337 | \r | |
f71ed839 | 3338 | if (SecureBootEnable != NULL) {\r |
3339 | FreePool (SecureBootEnable);\r | |
3340 | }\r | |
12087ff6 ZC |
3341 | if (SetupMode != NULL) {\r |
3342 | FreePool (SetupMode);\r | |
3343 | }\r | |
f71ed839 | 3344 | if (SecureBootMode != NULL) {\r |
3345 | FreePool (SecureBootMode);\r | |
3346 | }\r | |
beda2356 | 3347 | }\r |
3348 | \r | |
3349 | /**\r | |
3350 | This function allows a caller to extract the current configuration for one\r | |
3351 | or more named elements from the target driver.\r | |
3352 | \r | |
3353 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3354 | @param[in] Request A null-terminated Unicode string in\r | |
3355 | <ConfigRequest> format.\r | |
3356 | @param[out] Progress On return, points to a character in the Request\r | |
3357 | string. Points to the string's null terminator if\r | |
3358 | request was successful. Points to the most recent\r | |
3359 | '&' before the first failing name/value pair (or\r | |
3360 | the beginning of the string if the failure is in\r | |
3361 | the first name/value pair) if the request was not\r | |
3362 | successful.\r | |
3363 | @param[out] Results A null-terminated Unicode string in\r | |
3364 | <ConfigAltResp> format which has all values filled\r | |
3365 | in for the names in the Request string. String to\r | |
3366 | be allocated by the called function.\r | |
3367 | \r | |
3368 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
3369 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
3370 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
3371 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3372 | driver.\r | |
3373 | \r | |
3374 | **/\r | |
3375 | EFI_STATUS\r | |
3376 | EFIAPI\r | |
3377 | SecureBootExtractConfig (\r | |
3378 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3379 | IN CONST EFI_STRING Request,\r | |
3380 | OUT EFI_STRING *Progress,\r | |
3381 | OUT EFI_STRING *Results\r | |
3382 | )\r | |
3383 | {\r | |
3384 | EFI_STATUS Status;\r | |
3385 | UINTN BufferSize;\r | |
bc0c99b3 | 3386 | UINTN Size;\r |
beda2356 | 3387 | SECUREBOOT_CONFIGURATION Configuration;\r |
beda2356 | 3388 | EFI_STRING ConfigRequest;\r |
bc0c99b3 | 3389 | EFI_STRING ConfigRequestHdr;\r |
bc0c99b3 | 3390 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r |
3391 | BOOLEAN AllocatedRequest;\r | |
3392 | \r | |
beda2356 | 3393 | if (Progress == NULL || Results == NULL) {\r |
3394 | return EFI_INVALID_PARAMETER;\r | |
3395 | }\r | |
20333c6d | 3396 | \r |
bc0c99b3 | 3397 | AllocatedRequest = FALSE;\r |
3398 | ConfigRequestHdr = NULL;\r | |
3399 | ConfigRequest = NULL;\r | |
3400 | Size = 0;\r | |
20333c6d | 3401 | \r |
ea71453f | 3402 | ZeroMem (&Configuration, sizeof (Configuration));\r |
bc0c99b3 | 3403 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3404 | *Progress = Request;\r | |
20333c6d | 3405 | \r |
beda2356 | 3406 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
3407 | return EFI_NOT_FOUND;\r | |
3408 | }\r | |
3409 | \r | |
4de754e1 ZC |
3410 | ZeroMem(&Configuration, sizeof(SECUREBOOT_CONFIGURATION));\r |
3411 | \r | |
beda2356 | 3412 | //\r |
ecc722ad | 3413 | // Get Configuration from Variable.\r |
beda2356 | 3414 | //\r |
4de754e1 | 3415 | SecureBootExtractConfigFromVariable (PrivateData, &Configuration);\r |
f71ed839 | 3416 | \r |
bc0c99b3 | 3417 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 3418 | ConfigRequest = Request;\r |
bc0c99b3 | 3419 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
3420 | //\r | |
3421 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 3422 | //\r |
3423 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
3424 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
3425 | //\r | |
3426 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
3427 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
3428 | ConfigRequest = AllocateZeroPool (Size);\r | |
3429 | ASSERT (ConfigRequest != NULL);\r | |
3430 | AllocatedRequest = TRUE;\r | |
3431 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
3432 | FreePool (ConfigRequestHdr);\r | |
3433 | ConfigRequestHdr = NULL;\r | |
3434 | }\r | |
beda2356 | 3435 | \r |
3436 | Status = gHiiConfigRouting->BlockToConfig (\r | |
3437 | gHiiConfigRouting,\r | |
3438 | ConfigRequest,\r | |
3439 | (UINT8 *) &Configuration,\r | |
3440 | BufferSize,\r | |
3441 | Results,\r | |
3442 | Progress\r | |
3443 | );\r | |
bc0c99b3 | 3444 | \r |
3445 | //\r | |
3446 | // Free the allocated config request string.\r | |
3447 | //\r | |
3448 | if (AllocatedRequest) {\r | |
3449 | FreePool (ConfigRequest);\r | |
3450 | }\r | |
3451 | \r | |
beda2356 | 3452 | //\r |
3453 | // Set Progress string to the original request string.\r | |
3454 | //\r | |
3455 | if (Request == NULL) {\r | |
3456 | *Progress = NULL;\r | |
3457 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
3458 | *Progress = Request + StrLen (Request);\r | |
3459 | }\r | |
3460 | \r | |
3461 | return Status;\r | |
3462 | }\r | |
3463 | \r | |
3464 | /**\r | |
3465 | This function processes the results of changes in configuration.\r | |
3466 | \r | |
3467 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3468 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
3469 | format.\r | |
3470 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
3471 | the most recent '&' before the first failing\r | |
3472 | name/value pair (or the beginning of the string if\r | |
3473 | the failure is in the first name/value pair) or\r | |
3474 | the terminating NULL if all was successful.\r | |
3475 | \r | |
3476 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
3477 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
3478 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3479 | driver.\r | |
3480 | \r | |
3481 | **/\r | |
3482 | EFI_STATUS\r | |
3483 | EFIAPI\r | |
3484 | SecureBootRouteConfig (\r | |
3485 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3486 | IN CONST EFI_STRING Configuration,\r | |
3487 | OUT EFI_STRING *Progress\r | |
3488 | )\r | |
3489 | {\r | |
4de754e1 ZC |
3490 | SECUREBOOT_CONFIGURATION IfrNvData;\r |
3491 | UINTN BufferSize;\r | |
3492 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
3493 | EFI_STATUS Status;\r | |
20333c6d | 3494 | \r |
beda2356 | 3495 | if (Configuration == NULL || Progress == NULL) {\r |
3496 | return EFI_INVALID_PARAMETER;\r | |
3497 | }\r | |
3498 | \r | |
3499 | *Progress = Configuration;\r | |
3500 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
3501 | return EFI_NOT_FOUND;\r | |
3502 | }\r | |
3503 | \r | |
4de754e1 ZC |
3504 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3505 | \r | |
a365eed4 FS |
3506 | //\r |
3507 | // Get Configuration from Variable.\r | |
3508 | //\r | |
4de754e1 | 3509 | SecureBootExtractConfigFromVariable (PrivateData, &IfrNvData);\r |
a365eed4 FS |
3510 | \r |
3511 | //\r | |
3512 | // Map the Configuration to the configuration block.\r | |
3513 | //\r | |
a2f2c258 | 3514 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
3515 | Status = gHiiConfigRouting->ConfigToBlock (\r | |
3516 | gHiiConfigRouting,\r | |
3517 | Configuration,\r | |
3518 | (UINT8 *)&IfrNvData,\r | |
3519 | &BufferSize,\r | |
3520 | Progress\r | |
3521 | );\r | |
3522 | if (EFI_ERROR (Status)) {\r | |
3523 | return Status;\r | |
3524 | }\r | |
3525 | \r | |
3526 | //\r | |
3527 | // Store Buffer Storage back to EFI variable if needed\r | |
3528 | //\r | |
126f3b1d | 3529 | if (!IfrNvData.HideSecureBoot) {\r |
a2f2c258 | 3530 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r |
3531 | if (EFI_ERROR (Status)) {\r | |
3532 | return Status;\r | |
3533 | }\r | |
3534 | }\r | |
3535 | \r | |
ecc722ad | 3536 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 3537 | return EFI_SUCCESS;\r |
3538 | }\r | |
3539 | \r | |
85974aef | 3540 | /**\r |
3541 | This function to load signature list, the update the menu page.\r | |
3542 | \r | |
3543 | @param[in] PrivateData Module's private data.\r | |
3544 | @param[in] LabelId Label number to insert opcodes.\r | |
3545 | @param[in] FormId Form ID of current page.\r | |
3546 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
3547 | \r | |
3548 | @retval EFI_SUCCESS Success to update the signature list page\r | |
3549 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3550 | **/\r | |
3551 | EFI_STATUS\r | |
3552 | LoadSignatureList (\r | |
3553 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
3554 | IN UINT16 LabelId,\r | |
3555 | IN EFI_FORM_ID FormId,\r | |
3556 | IN EFI_QUESTION_ID QuestionIdBase\r | |
3557 | )\r | |
3558 | {\r | |
3559 | EFI_STATUS Status;\r | |
3560 | EFI_STRING_ID ListType;\r | |
3539e850 | 3561 | EFI_STRING FormatNameString;\r |
3562 | EFI_STRING FormatHelpString;\r | |
3563 | EFI_STRING FormatTypeString;\r | |
85974aef | 3564 | EFI_SIGNATURE_LIST *ListWalker;\r |
3565 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
3566 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
3567 | EFI_IFR_GUID_LABEL *StartGoto;\r | |
3568 | EFI_IFR_GUID_LABEL *EndGoto;\r | |
3569 | EFI_FORM_ID DstFormId;\r | |
3570 | VOID *StartOpCodeHandle;\r | |
3571 | VOID *EndOpCodeHandle;\r | |
3572 | VOID *StartGotoHandle;\r | |
3573 | VOID *EndGotoHandle;\r | |
3574 | UINTN DataSize;\r | |
3575 | UINTN RemainingSize;\r | |
3576 | UINT16 Index;\r | |
3577 | UINT8 *VariableData;\r | |
65c77f02 | 3578 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
3579 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
3580 | CHAR16 HelpBuffer[BUFFER_MAX_SIZE];\r | |
85974aef | 3581 | \r |
3582 | Status = EFI_SUCCESS;\r | |
3539e850 | 3583 | FormatNameString = NULL;\r |
3584 | FormatHelpString = NULL;\r | |
85974aef | 3585 | StartOpCodeHandle = NULL;\r |
3586 | EndOpCodeHandle = NULL;\r | |
3587 | StartGotoHandle = NULL;\r | |
3588 | EndGotoHandle = NULL;\r | |
3589 | Index = 0;\r | |
3590 | VariableData = NULL;\r | |
85974aef | 3591 | \r |
3592 | //\r | |
3593 | // Initialize the container for dynamic opcodes.\r | |
3594 | //\r | |
3595 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3596 | if (StartOpCodeHandle == NULL) {\r | |
3597 | Status = EFI_OUT_OF_RESOURCES;\r | |
3598 | goto ON_EXIT;\r | |
3599 | }\r | |
3600 | \r | |
3601 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3602 | if (EndOpCodeHandle == NULL) {\r | |
3603 | Status = EFI_OUT_OF_RESOURCES;\r | |
3604 | goto ON_EXIT;\r | |
3605 | }\r | |
3606 | \r | |
3607 | StartGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3608 | if (StartGotoHandle == NULL) {\r | |
3609 | Status = EFI_OUT_OF_RESOURCES;\r | |
3610 | goto ON_EXIT;\r | |
3611 | }\r | |
3612 | \r | |
3613 | EndGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3614 | if (EndGotoHandle == NULL) {\r | |
3615 | Status = EFI_OUT_OF_RESOURCES;\r | |
3616 | goto ON_EXIT;\r | |
3617 | }\r | |
3618 | \r | |
3619 | //\r | |
3620 | // Create Hii Extend Label OpCode.\r | |
3621 | //\r | |
3622 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3623 | StartOpCodeHandle,\r | |
3624 | &gEfiIfrTianoGuid,\r | |
3625 | NULL,\r | |
3626 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3627 | );\r | |
3628 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3629 | StartLabel->Number = LabelId;\r | |
3630 | \r | |
3631 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3632 | EndOpCodeHandle,\r | |
3633 | &gEfiIfrTianoGuid,\r | |
3634 | NULL,\r | |
3635 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3636 | );\r | |
3637 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3638 | EndLabel->Number = LABEL_END;\r | |
3639 | \r | |
3640 | StartGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode(\r | |
3641 | StartGotoHandle,\r | |
3642 | &gEfiIfrTianoGuid,\r | |
3643 | NULL,\r | |
3644 | sizeof(EFI_IFR_GUID_LABEL)\r | |
3645 | );\r | |
3646 | StartGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3647 | StartGoto->Number = LABEL_DELETE_ALL_LIST_BUTTON;\r | |
3648 | \r | |
3649 | EndGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode(\r | |
3650 | EndGotoHandle,\r | |
3651 | &gEfiIfrTianoGuid,\r | |
3652 | NULL,\r | |
3653 | sizeof(EFI_IFR_GUID_LABEL)\r | |
3654 | );\r | |
3655 | EndGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3656 | EndGoto->Number = LABEL_END;\r | |
3657 | \r | |
0085d619 | 3658 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 3659 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
85974aef | 3660 | DstFormId = FORMID_SECURE_BOOT_DB_OPTION_FORM;\r |
0085d619 | 3661 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 3662 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
85974aef | 3663 | DstFormId = FORMID_SECURE_BOOT_DBX_OPTION_FORM;\r |
0085d619 | 3664 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 3665 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 3666 | DstFormId = FORMID_SECURE_BOOT_DBT_OPTION_FORM;\r |
3667 | } else {\r | |
3668 | goto ON_EXIT;\r | |
3669 | }\r | |
3670 | \r | |
3671 | HiiCreateGotoOpCode (\r | |
3672 | StartGotoHandle,\r | |
3673 | DstFormId,\r | |
3674 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3675 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3676 | EFI_IFR_FLAG_CALLBACK,\r | |
3677 | KEY_SECURE_BOOT_DELETE_ALL_LIST\r | |
3678 | );\r | |
3679 | \r | |
3680 | //\r | |
3681 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
3682 | //\r | |
3683 | DataSize = 0;\r | |
3684 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
3685 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
3686 | goto ON_EXIT;\r | |
3687 | }\r | |
3688 | \r | |
3689 | VariableData = AllocateZeroPool (DataSize);\r | |
3690 | if (VariableData == NULL) {\r | |
3691 | Status = EFI_OUT_OF_RESOURCES;\r | |
3692 | goto ON_EXIT;\r | |
3693 | }\r | |
3694 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
3695 | if (EFI_ERROR (Status)) {\r | |
3696 | goto ON_EXIT;\r | |
3697 | }\r | |
3698 | \r | |
3539e850 | 3699 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_NAME_FORMAT), NULL);\r |
3700 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_HELP_FORMAT), NULL);\r | |
3701 | if (FormatNameString == NULL || FormatHelpString == NULL) {\r | |
3702 | goto ON_EXIT;\r | |
3703 | }\r | |
3704 | \r | |
85974aef | 3705 | RemainingSize = DataSize;\r |
3706 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r | |
3707 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize)) {\r | |
3708 | if (CompareGuid (&ListWalker->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
3709 | ListType = STRING_TOKEN (STR_LIST_TYPE_RSA2048_SHA256);\r | |
3710 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Guid)) {\r | |
3711 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509);\r | |
3712 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha1Guid)) {\r | |
3713 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA1);\r | |
3714 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha256Guid)) {\r | |
3715 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA256);\r | |
3716 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
3717 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA256);\r | |
3718 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
3719 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA384);\r | |
3720 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
3721 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA512);\r | |
3722 | } else {\r | |
3723 | ListType = STRING_TOKEN (STR_LIST_TYPE_UNKNOWN);\r | |
3724 | }\r | |
3539e850 | 3725 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListType, NULL);\r |
3726 | if (FormatTypeString == NULL) {\r | |
3727 | goto ON_EXIT;\r | |
3728 | }\r | |
85974aef | 3729 | \r |
65c77f02 | 3730 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 3731 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
65c77f02 | 3732 | \r |
3733 | ZeroMem (HelpBuffer, sizeof (HelpBuffer));\r | |
85974aef | 3734 | UnicodeSPrint (HelpBuffer,\r |
65c77f02 | 3735 | sizeof (HelpBuffer),\r |
3539e850 | 3736 | FormatHelpString,\r |
3737 | FormatTypeString,\r | |
85974aef | 3738 | SIGNATURE_DATA_COUNTS (ListWalker)\r |
3739 | );\r | |
3539e850 | 3740 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
3741 | FormatTypeString = NULL;\r | |
85974aef | 3742 | \r |
3743 | HiiCreateGotoOpCode (\r | |
3744 | StartOpCodeHandle,\r | |
3745 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
3746 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
3747 | HiiSetString (PrivateData->HiiHandle, 0, HelpBuffer, NULL),\r | |
3748 | EFI_IFR_FLAG_CALLBACK,\r | |
3749 | QuestionIdBase + Index++\r | |
3750 | );\r | |
3751 | \r | |
85974aef | 3752 | RemainingSize -= ListWalker->SignatureListSize;\r |
3753 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
3754 | }\r | |
3755 | \r | |
3756 | ON_EXIT:\r | |
3757 | HiiUpdateForm (\r | |
3758 | PrivateData->HiiHandle,\r | |
3759 | &gSecureBootConfigFormSetGuid,\r | |
3760 | FormId,\r | |
3761 | StartOpCodeHandle,\r | |
3762 | EndOpCodeHandle\r | |
3763 | );\r | |
3764 | \r | |
3765 | HiiUpdateForm (\r | |
3766 | PrivateData->HiiHandle,\r | |
3767 | &gSecureBootConfigFormSetGuid,\r | |
3768 | FormId,\r | |
3769 | StartGotoHandle,\r | |
3770 | EndGotoHandle\r | |
3771 | );\r | |
3772 | \r | |
3773 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
3774 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
3775 | SECUREBOOT_FREE_NON_OPCODE (StartGotoHandle);\r | |
3776 | SECUREBOOT_FREE_NON_OPCODE (EndGotoHandle);\r | |
3777 | \r | |
85974aef | 3778 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 3779 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
3780 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r | |
85974aef | 3781 | \r |
3782 | PrivateData->ListCount = Index;\r | |
3783 | \r | |
3784 | return Status;\r | |
3785 | }\r | |
3786 | \r | |
3787 | /**\r | |
3788 | Parse hash value from EFI_SIGNATURE_DATA, and save in the CHAR16 type array.\r | |
3789 | The buffer is callee allocated and should be freed by the caller.\r | |
3790 | \r | |
3791 | @param[in] ListEntry The pointer point to the signature list.\r | |
3792 | @param[in] DataEntry The signature data we are processing.\r | |
3793 | @param[out] BufferToReturn Buffer to save the hash value.\r | |
3794 | \r | |
3795 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3796 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3797 | @retval EFI_SUCCESS Operation success.\r | |
3798 | **/\r | |
3799 | EFI_STATUS\r | |
3800 | ParseHashValue (\r | |
3801 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3802 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3803 | OUT CHAR16 **BufferToReturn\r | |
3804 | )\r | |
3805 | {\r | |
3806 | UINTN Index;\r | |
3807 | UINTN BufferIndex;\r | |
3808 | UINTN TotalSize;\r | |
3809 | UINTN DataSize;\r | |
3810 | UINTN Line;\r | |
3811 | UINTN OneLineBytes;\r | |
3812 | \r | |
3813 | //\r | |
3814 | // Assume that, display 8 bytes in one line.\r | |
3815 | //\r | |
3816 | OneLineBytes = 8;\r | |
3817 | \r | |
3818 | if (ListEntry == NULL || DataEntry == NULL || BufferToReturn == NULL) {\r | |
3819 | return EFI_INVALID_PARAMETER;\r | |
3820 | }\r | |
3821 | \r | |
3822 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
3823 | Line = (DataSize + OneLineBytes - 1) / OneLineBytes;\r | |
3824 | \r | |
3825 | //\r | |
3826 | // Each byte will split two Hex-number, and each line need additional memory to save '\r\n'.\r | |
3827 | //\r | |
3828 | TotalSize = ((DataSize + Line) * 2 * sizeof(CHAR16));\r | |
3829 | \r | |
3830 | *BufferToReturn = AllocateZeroPool(TotalSize);\r | |
3831 | if (*BufferToReturn == NULL) {\r | |
3832 | return EFI_OUT_OF_RESOURCES;\r | |
3833 | }\r | |
3834 | \r | |
3835 | for (Index = 0, BufferIndex = 0; Index < DataSize; Index = Index + 1) {\r | |
3836 | if ((Index > 0) && (Index % OneLineBytes == 0)) {\r | |
3837 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"\n");\r | |
3838 | }\r | |
3839 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"%02x", DataEntry->SignatureData[Index]);\r | |
3840 | }\r | |
3841 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"\n");\r | |
3842 | \r | |
3843 | return EFI_SUCCESS;\r | |
3844 | }\r | |
3845 | \r | |
3846 | /**\r | |
3847 | Function to get the common name from the X509 format certificate.\r | |
3848 | The buffer is callee allocated and should be freed by the caller.\r | |
3849 | \r | |
3850 | @param[in] ListEntry The pointer point to the signature list.\r | |
3851 | @param[in] DataEntry The signature data we are processing.\r | |
3852 | @param[out] BufferToReturn Buffer to save the CN of X509 certificate.\r | |
3853 | \r | |
3854 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3855 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3856 | @retval EFI_SUCCESS Operation success.\r | |
3857 | @retval EFI_NOT_FOUND Not found CN field in the X509 certificate.\r | |
3858 | **/\r | |
3859 | EFI_STATUS\r | |
3860 | GetCommonNameFromX509 (\r | |
3861 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3862 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3863 | OUT CHAR16 **BufferToReturn\r | |
3864 | )\r | |
3865 | {\r | |
3866 | EFI_STATUS Status;\r | |
3867 | CHAR8 *CNBuffer;\r | |
3868 | UINTN CNBufferSize;\r | |
3869 | \r | |
3870 | Status = EFI_SUCCESS;\r | |
3871 | CNBuffer = NULL;\r | |
3872 | \r | |
3873 | CNBuffer = AllocateZeroPool(256);\r | |
3874 | if (CNBuffer == NULL) {\r | |
3875 | Status = EFI_OUT_OF_RESOURCES;\r | |
3876 | goto ON_EXIT;\r | |
3877 | }\r | |
3878 | \r | |
3879 | CNBufferSize = 256;\r | |
3880 | X509GetCommonName (\r | |
3881 | (UINT8 *)DataEntry + sizeof(EFI_GUID),\r | |
3882 | ListEntry->SignatureSize - sizeof(EFI_GUID),\r | |
3883 | CNBuffer,\r | |
3884 | &CNBufferSize\r | |
3885 | );\r | |
3886 | \r | |
3887 | *BufferToReturn = AllocateZeroPool(256 * sizeof(CHAR16));\r | |
3888 | if (*BufferToReturn == NULL) {\r | |
3889 | Status = EFI_OUT_OF_RESOURCES;\r | |
3890 | goto ON_EXIT;\r | |
3891 | }\r | |
3892 | \r | |
3893 | AsciiStrToUnicodeStrS (CNBuffer, *BufferToReturn, 256);\r | |
3894 | \r | |
3895 | ON_EXIT:\r | |
3896 | SECUREBOOT_FREE_NON_NULL (CNBuffer);\r | |
3897 | \r | |
3898 | return Status;\r | |
3899 | }\r | |
3900 | \r | |
3901 | /**\r | |
3902 | Format the help info for the signature data, each help info contain 3 parts.\r | |
3903 | 1. Onwer Guid.\r | |
3904 | 2. Content, depends on the type of the signature list.\r | |
3905 | 3. Revocation time.\r | |
3906 | \r | |
3907 | @param[in] PrivateData Module's private data.\r | |
3908 | @param[in] ListEntry Point to the signature list.\r | |
3909 | @param[in] DataEntry Point to the signature data we are processing.\r | |
3910 | @param[out] StringId Save the string id of help info.\r | |
3911 | \r | |
3912 | @retval EFI_SUCCESS Operation success.\r | |
3913 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3914 | **/\r | |
3915 | EFI_STATUS\r | |
3916 | FormatHelpInfo (\r | |
3917 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
3918 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3919 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3920 | OUT EFI_STRING_ID *StringId\r | |
3921 | )\r | |
3922 | {\r | |
3923 | EFI_STATUS Status;\r | |
3924 | EFI_TIME *Time;\r | |
3925 | EFI_STRING_ID ListTypeId;\r | |
3539e850 | 3926 | EFI_STRING FormatHelpString;\r |
3927 | EFI_STRING FormatTypeString;\r | |
85974aef | 3928 | UINTN DataSize;\r |
3929 | UINTN HelpInfoIndex;\r | |
3930 | UINTN TotalSize;\r | |
65c77f02 | 3931 | CHAR16 GuidString[BUFFER_MAX_SIZE];\r |
3932 | CHAR16 TimeString[BUFFER_MAX_SIZE];\r | |
85974aef | 3933 | CHAR16 *DataString;\r |
85974aef | 3934 | CHAR16 *HelpInfoString;\r |
3935 | BOOLEAN IsCert;\r | |
3936 | \r | |
3539e850 | 3937 | Status = EFI_SUCCESS;\r |
3938 | Time = NULL;\r | |
3939 | FormatTypeString = NULL;\r | |
3940 | HelpInfoIndex = 0;\r | |
3941 | DataString = NULL;\r | |
3942 | HelpInfoString = NULL;\r | |
3943 | IsCert = FALSE;\r | |
85974aef | 3944 | \r |
3945 | if (CompareGuid(&ListEntry->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
3946 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_RSA2048_SHA256);\r | |
3947 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
3948 | IsCert = TRUE;\r | |
3949 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Guid)) {\r | |
3950 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509);\r | |
3951 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
3952 | IsCert = TRUE;\r | |
3953 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertSha1Guid)) {\r | |
3954 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_SHA1);\r | |
3955 | DataSize = 20;\r | |
3956 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertSha256Guid)) {\r | |
3957 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_SHA256);\r | |
3958 | DataSize = 32;\r | |
3959 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
3960 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA256);\r | |
3961 | DataSize = 32;\r | |
3962 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3963 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
3964 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA384);\r | |
3965 | DataSize = 48;\r | |
3966 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3967 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
3968 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA512);\r | |
3969 | DataSize = 64;\r | |
3970 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3971 | } else {\r | |
3972 | Status = EFI_UNSUPPORTED;\r | |
3973 | goto ON_EXIT;\r | |
3974 | }\r | |
3975 | \r | |
3539e850 | 3976 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListTypeId, NULL);\r |
3977 | if (FormatTypeString == NULL) {\r | |
3978 | goto ON_EXIT;\r | |
3979 | }\r | |
3980 | \r | |
85974aef | 3981 | TotalSize = 1024;\r |
3982 | HelpInfoString = AllocateZeroPool (TotalSize);\r | |
3983 | if (HelpInfoString == NULL) {\r | |
3984 | Status = EFI_OUT_OF_RESOURCES;\r | |
3985 | goto ON_EXIT;\r | |
3986 | }\r | |
3987 | \r | |
3988 | //\r | |
3989 | // Format GUID part.\r | |
3990 | //\r | |
65c77f02 | 3991 | ZeroMem (GuidString, sizeof (GuidString));\r |
3992 | GuidToString(&DataEntry->SignatureOwner, GuidString, BUFFER_MAX_SIZE);\r | |
3539e850 | 3993 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_GUID), NULL);\r |
3994 | if (FormatHelpString == NULL) {\r | |
3995 | goto ON_EXIT;\r | |
3996 | }\r | |
85974aef | 3997 | HelpInfoIndex += UnicodeSPrint (\r |
3998 | &HelpInfoString[HelpInfoIndex],\r | |
3999 | TotalSize - sizeof(CHAR16) * HelpInfoIndex,\r | |
3539e850 | 4000 | FormatHelpString,\r |
85974aef | 4001 | GuidString\r |
4002 | );\r | |
3539e850 | 4003 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
4004 | FormatHelpString = NULL;\r | |
85974aef | 4005 | \r |
4006 | //\r | |
4007 | // Format content part, it depends on the type of signature list, hash value or CN.\r | |
4008 | //\r | |
4009 | if (IsCert) {\r | |
4010 | GetCommonNameFromX509 (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 4011 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_CN), NULL);\r |
85974aef | 4012 | } else {\r |
4013 | //\r | |
4014 | // Format hash value for each signature data entry.\r | |
4015 | //\r | |
4016 | ParseHashValue (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 4017 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_HASH), NULL);\r |
4018 | }\r | |
4019 | if (FormatHelpString == NULL) {\r | |
4020 | goto ON_EXIT;\r | |
85974aef | 4021 | }\r |
3539e850 | 4022 | HelpInfoIndex += UnicodeSPrint (\r |
4023 | &HelpInfoString[HelpInfoIndex],\r | |
4024 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
4025 | FormatHelpString,\r | |
4026 | FormatTypeString,\r | |
4027 | DataSize,\r | |
4028 | DataString\r | |
4029 | );\r | |
4030 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r | |
4031 | FormatHelpString = NULL;\r | |
85974aef | 4032 | \r |
4033 | //\r | |
4034 | // Format revocation time part.\r | |
4035 | //\r | |
4036 | if (Time != NULL) {\r | |
65c77f02 | 4037 | ZeroMem (TimeString, sizeof (TimeString));\r |
85974aef | 4038 | UnicodeSPrint (\r |
4039 | TimeString,\r | |
65c77f02 | 4040 | sizeof (TimeString),\r |
85974aef | 4041 | L"%d-%d-%d %d:%d:%d",\r |
4042 | Time->Year,\r | |
4043 | Time->Month,\r | |
4044 | Time->Day,\r | |
4045 | Time->Hour,\r | |
4046 | Time->Minute,\r | |
4047 | Time->Second\r | |
4048 | );\r | |
3539e850 | 4049 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_TIME), NULL);\r |
4050 | if (FormatHelpString == NULL) {\r | |
4051 | goto ON_EXIT;\r | |
4052 | }\r | |
85974aef | 4053 | UnicodeSPrint (\r |
4054 | &HelpInfoString[HelpInfoIndex],\r | |
4055 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
3539e850 | 4056 | FormatHelpString,\r |
85974aef | 4057 | TimeString\r |
4058 | );\r | |
3539e850 | 4059 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
4060 | FormatHelpString = NULL;\r | |
85974aef | 4061 | }\r |
4062 | \r | |
4063 | *StringId = HiiSetString (PrivateData->HiiHandle, 0, HelpInfoString, NULL);\r | |
85974aef | 4064 | ON_EXIT:\r |
85974aef | 4065 | SECUREBOOT_FREE_NON_NULL (DataString);\r |
85974aef | 4066 | SECUREBOOT_FREE_NON_NULL (HelpInfoString);\r |
4067 | \r | |
3539e850 | 4068 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
4069 | \r | |
85974aef | 4070 | return Status;\r |
4071 | }\r | |
4072 | \r | |
4073 | /**\r | |
4074 | This functino to load signature data under the signature list.\r | |
4075 | \r | |
4076 | @param[in] PrivateData Module's private data.\r | |
4077 | @param[in] LabelId Label number to insert opcodes.\r | |
4078 | @param[in] FormId Form ID of current page.\r | |
4079 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
4080 | @param[in] ListIndex Indicate to load which signature list.\r | |
4081 | \r | |
4082 | @retval EFI_SUCCESS Success to update the signature list page\r | |
4083 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
4084 | **/\r | |
4085 | EFI_STATUS\r | |
4086 | LoadSignatureData (\r | |
4087 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
4088 | IN UINT16 LabelId,\r | |
4089 | IN EFI_FORM_ID FormId,\r | |
4090 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
4091 | IN UINT16 ListIndex\r | |
4092 | )\r | |
4093 | {\r | |
4094 | EFI_STATUS Status;\r | |
4095 | EFI_SIGNATURE_LIST *ListWalker;\r | |
4096 | EFI_SIGNATURE_DATA *DataWalker;\r | |
4097 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
4098 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
4099 | EFI_STRING_ID HelpStringId;\r | |
3539e850 | 4100 | EFI_STRING FormatNameString;\r |
85974aef | 4101 | VOID *StartOpCodeHandle;\r |
4102 | VOID *EndOpCodeHandle;\r | |
4103 | UINTN DataSize;\r | |
4104 | UINTN RemainingSize;\r | |
4105 | UINT16 Index;\r | |
4106 | UINT8 *VariableData;\r | |
65c77f02 | 4107 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
4108 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
85974aef | 4109 | \r |
4110 | Status = EFI_SUCCESS;\r | |
3539e850 | 4111 | FormatNameString = NULL;\r |
85974aef | 4112 | StartOpCodeHandle = NULL;\r |
4113 | EndOpCodeHandle = NULL;\r | |
4114 | Index = 0;\r | |
4115 | VariableData = NULL;\r | |
85974aef | 4116 | \r |
4117 | //\r | |
4118 | // Initialize the container for dynamic opcodes.\r | |
4119 | //\r | |
4120 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4121 | if (StartOpCodeHandle == NULL) {\r | |
4122 | Status = EFI_OUT_OF_RESOURCES;\r | |
4123 | goto ON_EXIT;\r | |
4124 | }\r | |
4125 | \r | |
4126 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4127 | if (EndOpCodeHandle == NULL) {\r | |
4128 | Status = EFI_OUT_OF_RESOURCES;\r | |
4129 | goto ON_EXIT;\r | |
4130 | }\r | |
4131 | \r | |
4132 | //\r | |
4133 | // Create Hii Extend Label OpCode.\r | |
4134 | //\r | |
4135 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4136 | StartOpCodeHandle,\r | |
4137 | &gEfiIfrTianoGuid,\r | |
4138 | NULL,\r | |
4139 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4140 | );\r | |
4141 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4142 | StartLabel->Number = LabelId;\r | |
4143 | \r | |
4144 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4145 | EndOpCodeHandle,\r | |
4146 | &gEfiIfrTianoGuid,\r | |
4147 | NULL,\r | |
4148 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4149 | );\r | |
4150 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4151 | EndLabel->Number = LABEL_END;\r | |
4152 | \r | |
0085d619 | 4153 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 4154 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 4155 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 4156 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 4157 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 4158 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 4159 | } else {\r |
4160 | goto ON_EXIT;\r | |
4161 | }\r | |
4162 | \r | |
4163 | //\r | |
4164 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
4165 | //\r | |
4166 | DataSize = 0;\r | |
4167 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
4168 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
4169 | goto ON_EXIT;\r | |
4170 | }\r | |
4171 | \r | |
4172 | VariableData = AllocateZeroPool (DataSize);\r | |
4173 | if (VariableData == NULL) {\r | |
4174 | Status = EFI_OUT_OF_RESOURCES;\r | |
4175 | goto ON_EXIT;\r | |
4176 | }\r | |
4177 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
4178 | if (EFI_ERROR (Status)) {\r | |
4179 | goto ON_EXIT;\r | |
4180 | }\r | |
4181 | \r | |
85974aef | 4182 | RemainingSize = DataSize;\r |
4183 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r | |
4184 | \r | |
4185 | //\r | |
4186 | // Skip signature list.\r | |
4187 | //\r | |
4188 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex-- > 0) {\r | |
4189 | RemainingSize -= ListWalker->SignatureListSize;\r | |
4190 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
4191 | }\r | |
4192 | \r | |
3539e850 | 4193 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_NAME_FORMAT), NULL);\r |
4194 | if (FormatNameString == NULL) {\r | |
4195 | goto ON_EXIT;\r | |
4196 | }\r | |
4197 | \r | |
85974aef | 4198 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof(EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
4199 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS(ListWalker); Index = Index + 1) {\r | |
4200 | //\r | |
4201 | // Format name buffer.\r | |
4202 | //\r | |
65c77f02 | 4203 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 4204 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
85974aef | 4205 | \r |
4206 | //\r | |
4207 | // Format help info buffer.\r | |
4208 | //\r | |
4209 | Status = FormatHelpInfo (PrivateData, ListWalker, DataWalker, &HelpStringId);\r | |
4210 | if (EFI_ERROR (Status)) {\r | |
4211 | goto ON_EXIT;\r | |
4212 | }\r | |
4213 | \r | |
4214 | HiiCreateCheckBoxOpCode (\r | |
4215 | StartOpCodeHandle,\r | |
4216 | (EFI_QUESTION_ID)(QuestionIdBase + Index),\r | |
4217 | 0,\r | |
4218 | 0,\r | |
4219 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
4220 | HelpStringId,\r | |
4221 | EFI_IFR_FLAG_CALLBACK,\r | |
4222 | 0,\r | |
4223 | NULL\r | |
4224 | );\r | |
4225 | \r | |
4226 | ZeroMem(NameBuffer, 100);\r | |
4227 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r | |
4228 | }\r | |
4229 | \r | |
4230 | //\r | |
4231 | // Allocate a buffer to record which signature data will be checked.\r | |
4232 | // This memory buffer will be freed when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
4233 | //\r | |
4234 | PrivateData->CheckArray = AllocateZeroPool (SIGNATURE_DATA_COUNTS (ListWalker) * sizeof (BOOLEAN));\r | |
85974aef | 4235 | ON_EXIT:\r |
4236 | HiiUpdateForm (\r | |
4237 | PrivateData->HiiHandle,\r | |
4238 | &gSecureBootConfigFormSetGuid,\r | |
4239 | FormId,\r | |
4240 | StartOpCodeHandle,\r | |
4241 | EndOpCodeHandle\r | |
4242 | );\r | |
4243 | \r | |
4244 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
4245 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
4246 | \r | |
85974aef | 4247 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 4248 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
85974aef | 4249 | \r |
4250 | return Status;\r | |
4251 | }\r | |
4252 | \r | |
beda2356 | 4253 | /**\r |
ecc722ad | 4254 | This function is called to provide results data to the driver.\r |
beda2356 | 4255 | \r |
4256 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
4257 | @param[in] Action Specifies the type of action taken by the browser.\r | |
4258 | @param[in] QuestionId A unique value which is sent to the original\r | |
4259 | exporting driver so that it can identify the type\r | |
4260 | of data to expect.\r | |
4261 | @param[in] Type The type of value for the question.\r | |
4262 | @param[in] Value A pointer to the data being sent to the original\r | |
4263 | exporting driver.\r | |
4264 | @param[out] ActionRequest On return, points to the action requested by the\r | |
4265 | callback function.\r | |
4266 | \r | |
4267 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
4268 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
4269 | variable and its data.\r | |
4270 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
4271 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
4272 | callback.\r | |
4273 | \r | |
4274 | **/\r | |
4275 | EFI_STATUS\r | |
4276 | EFIAPI\r | |
4277 | SecureBootCallback (\r | |
4278 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
4279 | IN EFI_BROWSER_ACTION Action,\r | |
4280 | IN EFI_QUESTION_ID QuestionId,\r | |
4281 | IN UINT8 Type,\r | |
4282 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
4283 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
4284 | )\r | |
4285 | {\r | |
ecc722ad | 4286 | EFI_INPUT_KEY Key;\r |
20333c6d | 4287 | EFI_STATUS Status;\r |
2a085774 | 4288 | RETURN_STATUS RStatus;\r |
ecc722ad | 4289 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r |
4290 | UINTN BufferSize;\r | |
4291 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
4292 | UINT16 LabelId;\r | |
bf4a3dbd | 4293 | UINT8 *SecureBootEnable;\r |
126f3b1d | 4294 | UINT8 *Pk;\r |
f71ed839 | 4295 | UINT8 *SecureBootMode;\r |
12087ff6 | 4296 | UINT8 *SetupMode;\r |
e4d7370d | 4297 | CHAR16 PromptString[100];\r |
762d8ddb | 4298 | EFI_DEVICE_PATH_PROTOCOL *File;\r |
4de754e1 ZC |
4299 | UINTN NameLength;\r |
4300 | UINT16 *FilePostFix;\r | |
4301 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
488aab25 | 4302 | BOOLEAN GetBrowserDataResult;\r |
bf4a3dbd | 4303 | \r |
96832eef | 4304 | Status = EFI_SUCCESS;\r |
bf4a3dbd | 4305 | SecureBootEnable = NULL;\r |
f71ed839 | 4306 | SecureBootMode = NULL;\r |
12087ff6 | 4307 | SetupMode = NULL;\r |
762d8ddb | 4308 | File = NULL;\r |
bc0c99b3 | 4309 | \r |
beda2356 | 4310 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
4311 | return EFI_INVALID_PARAMETER;\r | |
4312 | }\r | |
12087ff6 | 4313 | \r |
96832eef CZ |
4314 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
4315 | \r | |
762d8ddb DB |
4316 | gSecureBootPrivateData = Private;\r |
4317 | \r | |
96832eef CZ |
4318 | //\r |
4319 | // Retrieve uncommitted data from Browser\r | |
4320 | //\r | |
4321 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
4322 | IfrNvData = AllocateZeroPool (BufferSize);\r | |
4323 | if (IfrNvData == NULL) {\r | |
4324 | return EFI_OUT_OF_RESOURCES;\r | |
4325 | }\r | |
4326 | \r | |
488aab25 | 4327 | GetBrowserDataResult = HiiGetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *) IfrNvData);\r |
beda2356 | 4328 | \r |
a365eed4 FS |
4329 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
4330 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
02dd6af9 CZ |
4331 | //\r |
4332 | // Update secure boot strings when opening this form\r | |
4333 | //\r | |
4334 | Status = UpdateSecureBootString(Private);\r | |
4de754e1 | 4335 | SecureBootExtractConfigFromVariable (Private, IfrNvData);\r |
a365eed4 | 4336 | mIsEnterSecureBootForm = TRUE;\r |
4de754e1 ZC |
4337 | } else {\r |
4338 | //\r | |
4339 | // When entering SecureBoot OPTION Form\r | |
4340 | // always close opened file & free resource\r | |
4341 | //\r | |
4342 | if ((QuestionId == KEY_SECURE_BOOT_PK_OPTION) ||\r | |
4343 | (QuestionId == KEY_SECURE_BOOT_KEK_OPTION) ||\r | |
4344 | (QuestionId == KEY_SECURE_BOOT_DB_OPTION) ||\r | |
4345 | (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) ||\r | |
4346 | (QuestionId == KEY_SECURE_BOOT_DBT_OPTION)) {\r | |
4347 | CloseEnrolledFile(Private->FileContext);\r | |
85974aef | 4348 | } else if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_LIST) {\r |
4349 | //\r | |
4350 | // Update ListCount field in varstore\r | |
4351 | // Button "Delete All Signature List" is\r | |
4352 | // enable when ListCount is greater than 0.\r | |
4353 | //\r | |
4354 | IfrNvData->ListCount = Private->ListCount;\r | |
4de754e1 | 4355 | }\r |
a365eed4 | 4356 | }\r |
96832eef | 4357 | goto EXIT;\r |
a365eed4 | 4358 | }\r |
20333c6d | 4359 | \r |
a365eed4 FS |
4360 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r |
4361 | Status = EFI_UNSUPPORTED;\r | |
4362 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
4363 | if (mIsEnterSecureBootForm) {\r | |
4364 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
4365 | Status = EFI_SUCCESS;\r | |
4366 | }\r | |
b3548d32 | 4367 | }\r |
96832eef | 4368 | goto EXIT;\r |
a365eed4 | 4369 | }\r |
20333c6d | 4370 | \r |
f71ed839 | 4371 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
4372 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 4373 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
4374 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD)) {\r | |
96832eef CZ |
4375 | Status = EFI_UNSUPPORTED;\r |
4376 | goto EXIT;\r | |
beda2356 | 4377 | }\r |
bc0c99b3 | 4378 | \r |
ecc722ad | 4379 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r |
4380 | \r | |
4381 | switch (QuestionId) {\r | |
4382 | case KEY_SECURE_BOOT_ENABLE:\r | |
f01b91ae | 4383 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
bf4a3dbd | 4384 | if (NULL != SecureBootEnable) {\r |
f71ed839 | 4385 | FreePool (SecureBootEnable);\r |
ecc722ad | 4386 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r |
4387 | CreatePopUp (\r | |
4388 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4389 | &Key,\r | |
4390 | L"Only Physical Presence User could disable secure boot!",\r | |
4391 | NULL\r | |
4392 | );\r | |
4393 | Status = EFI_UNSUPPORTED;\r | |
0357efe3 | 4394 | } else {\r |
4395 | CreatePopUp (\r | |
4396 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4397 | &Key,\r | |
f71ed839 | 4398 | L"Configuration changed, please reset the platform to take effect!",\r |
0357efe3 | 4399 | NULL\r |
4400 | );\r | |
ecc722ad | 4401 | }\r |
ecc722ad | 4402 | }\r |
4403 | break;\r | |
4404 | \r | |
ecc722ad | 4405 | case KEY_SECURE_BOOT_KEK_OPTION:\r |
4406 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
4407 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
20333c6d | 4408 | case KEY_SECURE_BOOT_DBT_OPTION:\r |
4de754e1 | 4409 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
ecc722ad | 4410 | //\r |
4411 | // Clear Signature GUID.\r | |
4412 | //\r | |
4413 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
4414 | if (Private->SignatureGUID == NULL) {\r | |
4415 | Private->SignatureGUID = (EFI_GUID *) AllocateZeroPool (sizeof (EFI_GUID));\r | |
4416 | if (Private->SignatureGUID == NULL) {\r | |
4417 | return EFI_OUT_OF_RESOURCES;\r | |
4418 | }\r | |
4419 | }\r | |
beda2356 | 4420 | \r |
4de754e1 ZC |
4421 | //\r |
4422 | // Cleanup VFRData once leaving PK/KEK/DB/DBX/DBT enroll/delete page\r | |
4423 | //\r | |
4424 | SecureBootExtractConfigFromVariable (PrivateData, IfrNvData);\r | |
4425 | \r | |
ecc722ad | 4426 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r |
4427 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
4428 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
4429 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
20333c6d QL |
4430 | } else if (QuestionId == KEY_SECURE_BOOT_DBT_OPTION) {\r |
4431 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;\r | |
ecc722ad | 4432 | } else {\r |
4433 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
4434 | }\r | |
4435 | \r | |
4436 | //\r | |
4437 | // Refresh selected file.\r | |
4438 | //\r | |
20333c6d | 4439 | CleanUpPage (LabelId, Private);\r |
ecc722ad | 4440 | break;\r |
762d8ddb DB |
4441 | case KEY_SECURE_BOOT_PK_OPTION:\r |
4442 | LabelId = FORMID_ENROLL_PK_FORM;\r | |
4443 | //\r | |
4444 | // Refresh selected file.\r | |
4445 | //\r | |
4446 | CleanUpPage (LabelId, Private);\r | |
4447 | break;\r | |
4448 | \r | |
4449 | case FORMID_ENROLL_PK_FORM:\r | |
d6224153 | 4450 | ChooseFile (NULL, NULL, UpdatePKFromFile, &File);\r |
762d8ddb | 4451 | break;\r |
20333c6d | 4452 | \r |
ecc722ad | 4453 | case FORMID_ENROLL_KEK_FORM:\r |
d6224153 | 4454 | ChooseFile (NULL, NULL, UpdateKEKFromFile, &File);\r |
762d8ddb DB |
4455 | break;\r |
4456 | \r | |
ecc722ad | 4457 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r |
d6224153 | 4458 | ChooseFile (NULL, NULL, UpdateDBFromFile, &File);\r |
762d8ddb DB |
4459 | break;\r |
4460 | \r | |
ecc722ad | 4461 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r |
d6224153 | 4462 | ChooseFile (NULL, NULL, UpdateDBXFromFile, &File);\r |
4de754e1 ZC |
4463 | \r |
4464 | if (Private->FileContext->FHandle != NULL) {\r | |
4465 | //\r | |
4466 | // Parse the file's postfix.\r | |
4467 | //\r | |
4468 | NameLength = StrLen (Private->FileContext->FileName);\r | |
4469 | if (NameLength <= 4) {\r | |
4470 | return FALSE;\r | |
4471 | }\r | |
4472 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
4473 | \r | |
4474 | if (IsDerEncodeCertificate (FilePostFix)) {\r | |
4475 | //\r | |
4476 | // Supports DER-encoded X509 certificate.\r | |
4477 | //\r | |
4478 | IfrNvData->FileEnrollType = X509_CERT_FILE_TYPE;\r | |
4479 | } else if (IsAuthentication2Format(Private->FileContext->FHandle)){\r | |
4480 | IfrNvData->FileEnrollType = AUTHENTICATION_2_FILE_TYPE;\r | |
4481 | } else {\r | |
4482 | IfrNvData->FileEnrollType = PE_IMAGE_FILE_TYPE;\r | |
4483 | }\r | |
4484 | Private->FileContext->FileType = IfrNvData->FileEnrollType;\r | |
4485 | \r | |
4486 | //\r | |
4487 | // Clean up Certificate Format if File type is not X509 DER\r | |
4488 | //\r | |
4489 | if (IfrNvData->FileEnrollType != X509_CERT_FILE_TYPE) {\r | |
4490 | IfrNvData->CertificateFormat = HASHALG_RAW;\r | |
4491 | }\r | |
4492 | DEBUG((DEBUG_ERROR, "IfrNvData->FileEnrollType %d\n", Private->FileContext->FileType));\r | |
4493 | }\r | |
4494 | \r | |
762d8ddb | 4495 | break;\r |
ecc722ad | 4496 | \r |
762d8ddb | 4497 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBT:\r |
d6224153 | 4498 | ChooseFile (NULL, NULL, UpdateDBTFromFile, &File);\r |
ecc722ad | 4499 | break;\r |
4500 | \r | |
20333c6d | 4501 | case KEY_SECURE_BOOT_DELETE_PK:\r |
f71ed839 | 4502 | if (Value->u8) {\r |
4503 | CreatePopUp (\r | |
4504 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4505 | &Key,\r | |
4506 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
4507 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
4508 | NULL\r | |
4509 | );\r | |
4510 | if (Key.UnicodeChar == 'y' || Key.UnicodeChar == 'Y') {\r | |
ecc722ad | 4511 | Status = DeletePlatformKey ();\r |
f71ed839 | 4512 | if (EFI_ERROR (Status)) {\r |
4513 | CreatePopUp (\r | |
4514 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4515 | &Key,\r | |
4516 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
4517 | NULL\r | |
4518 | );\r | |
4519 | }\r | |
ecc722ad | 4520 | }\r |
f71ed839 | 4521 | }\r |
ecc722ad | 4522 | break;\r |
4523 | \r | |
4524 | case KEY_DELETE_KEK:\r | |
4525 | UpdateDeletePage (\r | |
20333c6d | 4526 | Private,\r |
ecc722ad | 4527 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
4528 | &gEfiGlobalVariableGuid,\r | |
4529 | LABEL_KEK_DELETE,\r | |
4530 | FORMID_DELETE_KEK_FORM,\r | |
20333c6d | 4531 | OPTION_DEL_KEK_QUESTION_ID\r |
ecc722ad | 4532 | );\r |
4533 | break;\r | |
4534 | \r | |
20333c6d | 4535 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB:\r |
ecc722ad | 4536 | UpdateDeletePage (\r |
4537 | Private,\r | |
4538 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4539 | &gEfiImageSecurityDatabaseGuid,\r | |
4540 | LABEL_DB_DELETE,\r | |
4541 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
4542 | OPTION_DEL_DB_QUESTION_ID\r | |
4543 | );\r | |
4544 | break;\r | |
4545 | \r | |
85974aef | 4546 | //\r |
4547 | // From DBX option to the level-1 form, display signature list.\r | |
4548 | //\r | |
4549 | case KEY_VALUE_FROM_DBX_TO_LIST_FORM:\r | |
0085d619 | 4550 | Private->VariableName = Variable_DBX;\r |
85974aef | 4551 | LoadSignatureList (\r |
ecc722ad | 4552 | Private,\r |
85974aef | 4553 | LABEL_SIGNATURE_LIST_START,\r |
4554 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4555 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4556 | );\r | |
4557 | break;\r | |
4558 | \r | |
4559 | //\r | |
4560 | // Delete all signature list and reload.\r | |
4561 | //\r | |
4562 | case KEY_SECURE_BOOT_DELETE_ALL_LIST:\r | |
4563 | CreatePopUp(\r | |
4564 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4565 | &Key,\r | |
4566 | L"Press 'Y' to delete signature list.",\r | |
4567 | L"Press other key to cancel and exit.",\r | |
4568 | NULL\r | |
4569 | );\r | |
4570 | \r | |
4571 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4572 | DeleteSignatureEx (Private, Delete_Signature_List_All, IfrNvData->CheckedDataCount);\r |
85974aef | 4573 | }\r |
4574 | \r | |
4575 | LoadSignatureList (\r | |
4576 | Private,\r | |
4577 | LABEL_SIGNATURE_LIST_START,\r | |
4578 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4579 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4580 | );\r | |
4581 | break;\r | |
ecc722ad | 4582 | \r |
85974aef | 4583 | //\r |
4584 | // Delete one signature list and reload.\r | |
4585 | //\r | |
4586 | case KEY_SECURE_BOOT_DELETE_ALL_DATA:\r | |
4587 | CreatePopUp(\r | |
4588 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4589 | &Key,\r | |
4590 | L"Press 'Y' to delete signature data.",\r | |
4591 | L"Press other key to cancel and exit.",\r | |
4592 | NULL\r | |
4593 | );\r | |
4594 | \r | |
4595 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4596 | DeleteSignatureEx (Private, Delete_Signature_List_One, IfrNvData->CheckedDataCount);\r |
85974aef | 4597 | }\r |
4598 | \r | |
4599 | LoadSignatureList (\r | |
4600 | Private,\r | |
4601 | LABEL_SIGNATURE_LIST_START,\r | |
4602 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4603 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4604 | );\r | |
4605 | break;\r | |
4606 | \r | |
4607 | //\r | |
4608 | // Delete checked signature data and reload.\r | |
4609 | //\r | |
4610 | case KEY_SECURE_BOOT_DELETE_CHECK_DATA:\r | |
4611 | CreatePopUp(\r | |
4612 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4613 | &Key,\r | |
4614 | L"Press 'Y' to delete signature data.",\r | |
4615 | L"Press other key to cancel and exit.",\r | |
4616 | NULL\r | |
4617 | );\r | |
4618 | \r | |
4619 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4620 | DeleteSignatureEx (Private, Delete_Signature_Data, IfrNvData->CheckedDataCount);\r |
85974aef | 4621 | }\r |
4622 | \r | |
4623 | LoadSignatureList (\r | |
4624 | Private,\r | |
4625 | LABEL_SIGNATURE_LIST_START,\r | |
4626 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4627 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4628 | );\r | |
ecc722ad | 4629 | break;\r |
4630 | \r | |
20333c6d QL |
4631 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBT:\r |
4632 | UpdateDeletePage (\r | |
4633 | Private,\r | |
4634 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4635 | &gEfiImageSecurityDatabaseGuid,\r | |
4636 | LABEL_DBT_DELETE,\r | |
4637 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
4638 | OPTION_DEL_DBT_QUESTION_ID\r | |
4639 | );\r | |
4640 | \r | |
4641 | break;\r | |
4642 | \r | |
ecc722ad | 4643 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r |
4644 | Status = EnrollKeyExchangeKey (Private);\r | |
ee79ac8d | 4645 | if (EFI_ERROR (Status)) {\r |
4646 | CreatePopUp (\r | |
4647 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4648 | &Key,\r | |
4649 | L"ERROR: Unsupported file type!",\r | |
4650 | L"Only supports DER-encoded X509 certificate",\r | |
4651 | NULL\r | |
4652 | );\r | |
4653 | }\r | |
ecc722ad | 4654 | break;\r |
4655 | \r | |
4656 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
4657 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
ee79ac8d | 4658 | if (EFI_ERROR (Status)) {\r |
4659 | CreatePopUp (\r | |
4660 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4661 | &Key,\r | |
4662 | L"ERROR: Unsupported file type!",\r | |
4663 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
4664 | NULL\r | |
4665 | );\r | |
4666 | }\r | |
ecc722ad | 4667 | break;\r |
4668 | \r | |
4669 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
20333c6d QL |
4670 | if (IsX509CertInDbx (Private, EFI_IMAGE_SECURITY_DATABASE1)) {\r |
4671 | CreatePopUp (\r | |
4672 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4673 | &Key,\r | |
4674 | L"Enrollment failed! Same certificate had already been in the dbx!",\r | |
4675 | NULL\r | |
4676 | );\r | |
4de754e1 ZC |
4677 | \r |
4678 | //\r | |
4679 | // Cert already exists in DBX. Close opened file before exit.\r | |
4680 | //\r | |
4681 | CloseEnrolledFile(Private->FileContext);\r | |
4682 | break;\r | |
20333c6d QL |
4683 | }\r |
4684 | \r | |
4685 | if ((IfrNvData != NULL) && (IfrNvData->CertificateFormat < HASHALG_MAX)) {\r | |
4686 | Status = EnrollX509HashtoSigDB (\r | |
4687 | Private,\r | |
4688 | IfrNvData->CertificateFormat,\r | |
4689 | &IfrNvData->RevocationDate,\r | |
4690 | &IfrNvData->RevocationTime,\r | |
4691 | IfrNvData->AlwaysRevocation\r | |
4692 | );\r | |
4de754e1 | 4693 | IfrNvData->CertificateFormat = HASHALG_RAW;\r |
20333c6d QL |
4694 | } else {\r |
4695 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
4696 | }\r | |
ee79ac8d | 4697 | if (EFI_ERROR (Status)) {\r |
4698 | CreatePopUp (\r | |
4699 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4700 | &Key,\r | |
4701 | L"ERROR: Unsupported file type!",\r | |
4de754e1 | 4702 | L"Only supports DER-encoded X509 certificate, AUTH_2 format data & executable EFI image",\r |
ee79ac8d | 4703 | NULL\r |
4704 | );\r | |
4705 | }\r | |
ecc722ad | 4706 | break;\r |
4707 | \r | |
20333c6d QL |
4708 | case KEY_VALUE_SAVE_AND_EXIT_DBT:\r |
4709 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE2);\r | |
4710 | if (EFI_ERROR (Status)) {\r | |
4711 | CreatePopUp (\r | |
4712 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4713 | &Key,\r | |
4714 | L"ERROR: Unsupported file type!",\r | |
4715 | L"Only supports DER-encoded X509 certificate.",\r | |
4716 | NULL\r | |
4717 | );\r | |
4718 | }\r | |
4719 | break;\r | |
762d8ddb DB |
4720 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r |
4721 | Status = EnrollPlatformKey (Private);\r | |
4722 | if (EFI_ERROR (Status)) {\r | |
4723 | UnicodeSPrint (\r | |
4724 | PromptString,\r | |
4725 | sizeof (PromptString),\r | |
4726 | L"Only DER encoded certificate file (%s) is supported.",\r | |
4727 | mSupportX509Suffix\r | |
4728 | );\r | |
4729 | CreatePopUp (\r | |
4730 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4731 | &Key,\r | |
4732 | L"ERROR: Unsupported file type!",\r | |
4733 | PromptString,\r | |
4734 | NULL\r | |
4735 | );\r | |
4736 | }\r | |
4737 | break;\r | |
ecc722ad | 4738 | default:\r |
762d8ddb | 4739 | if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r |
ecc722ad | 4740 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r |
4741 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
4742 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
4743 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4744 | DeleteSignature (\r | |
4745 | Private,\r | |
4746 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4747 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 4748 | LABEL_DB_DELETE,\r |
ecc722ad | 4749 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r |
4750 | OPTION_DEL_DB_QUESTION_ID,\r | |
4751 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
4752 | );\r | |
85974aef | 4753 | } else if ((QuestionId >= OPTION_SIGNATURE_LIST_QUESTION_ID) &&\r |
4754 | (QuestionId < (OPTION_SIGNATURE_LIST_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4755 | LoadSignatureData (\r | |
ecc722ad | 4756 | Private,\r |
85974aef | 4757 | LABEL_SIGNATURE_DATA_START,\r |
4758 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
4759 | OPTION_SIGNATURE_DATA_QUESTION_ID,\r | |
4760 | QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4761 | );\r | |
4762 | Private->ListIndex = QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID;\r | |
4763 | } else if ((QuestionId >= OPTION_SIGNATURE_DATA_QUESTION_ID) &&\r | |
4764 | (QuestionId < (OPTION_SIGNATURE_DATA_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4765 | if (Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID]) {\r | |
4766 | IfrNvData->CheckedDataCount--;\r | |
4767 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = FALSE;\r | |
4768 | } else {\r | |
4769 | IfrNvData->CheckedDataCount++;\r | |
4770 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = TRUE;\r | |
4771 | }\r | |
20333c6d QL |
4772 | } else if ((QuestionId >= OPTION_DEL_DBT_QUESTION_ID) &&\r |
4773 | (QuestionId < (OPTION_DEL_DBT_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4774 | DeleteSignature (\r | |
4775 | Private,\r | |
4776 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4777 | &gEfiImageSecurityDatabaseGuid,\r | |
4778 | LABEL_DBT_DELETE,\r | |
4779 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
4780 | OPTION_DEL_DBT_QUESTION_ID,\r | |
4781 | QuestionId - OPTION_DEL_DBT_QUESTION_ID\r | |
4782 | );\r | |
ecc722ad | 4783 | }\r |
4784 | break;\r | |
ecc722ad | 4785 | \r |
4786 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
4787 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
4788 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
4789 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
20333c6d | 4790 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBT:\r |
4de754e1 | 4791 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d | 4792 | \r |
ecc722ad | 4793 | if (Private->SignatureGUID != NULL) {\r |
4794 | FreePool (Private->SignatureGUID);\r | |
4795 | Private->SignatureGUID = NULL;\r | |
4796 | }\r | |
ecc722ad | 4797 | break;\r |
762d8ddb DB |
4798 | }\r |
4799 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
4800 | switch (QuestionId) {\r | |
4801 | case KEY_SECURE_BOOT_ENABLE:\r | |
4802 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4803 | break;\r | |
ecc722ad | 4804 | case KEY_SECURE_BOOT_MODE:\r |
a365eed4 | 4805 | mIsEnterSecureBootForm = FALSE;\r |
ecc722ad | 4806 | break;\r |
ecc722ad | 4807 | case KEY_SECURE_BOOT_KEK_GUID:\r |
4808 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
4809 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
20333c6d | 4810 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBT:\r |
ecc722ad | 4811 | ASSERT (Private->SignatureGUID != NULL);\r |
2a085774 RN |
4812 | RStatus = StrToGuid (IfrNvData->SignatureGuid, Private->SignatureGUID);\r |
4813 | if (RETURN_ERROR (RStatus) || (IfrNvData->SignatureGuid[GUID_STRING_LENGTH] != L'\0')) {\r | |
4814 | Status = EFI_INVALID_PARAMETER;\r | |
ecc722ad | 4815 | break;\r |
4816 | }\r | |
4817 | \r | |
4818 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4819 | break;\r | |
ecc722ad | 4820 | case KEY_SECURE_BOOT_DELETE_PK:\r |
12087ff6 ZC |
4821 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
4822 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
f71ed839 | 4823 | IfrNvData->DeletePk = TRUE;\r |
4824 | IfrNvData->HasPk = FALSE;\r | |
ecc722ad | 4825 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r |
f71ed839 | 4826 | } else {\r |
4827 | IfrNvData->DeletePk = FALSE;\r | |
4828 | IfrNvData->HasPk = TRUE;\r | |
4829 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4830 | }\r | |
12087ff6 ZC |
4831 | if (SetupMode != NULL) {\r |
4832 | FreePool (SetupMode);\r | |
4833 | }\r | |
c93bcb7e ED |
4834 | break;\r |
4835 | default:\r | |
c93bcb7e | 4836 | break;\r |
ecc722ad | 4837 | }\r |
a2f2c258 | 4838 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
4839 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
126f3b1d ZC |
4840 | GetVariable2 (EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid, (VOID**)&Pk, NULL);\r |
4841 | if (Pk == NULL) {\r | |
a2f2c258 | 4842 | IfrNvData->HideSecureBoot = TRUE;\r |
4843 | } else {\r | |
126f3b1d | 4844 | FreePool (Pk);\r |
a2f2c258 | 4845 | IfrNvData->HideSecureBoot = FALSE;\r |
4846 | }\r | |
4847 | Value->b = IfrNvData->HideSecureBoot;\r | |
4848 | }\r | |
f71ed839 | 4849 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
4850 | //\r | |
4851 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
4852 | //\r | |
4853 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
4854 | if (NULL != SecureBootMode && *SecureBootMode == CUSTOM_SECURE_BOOT_MODE) {\r | |
4855 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
4856 | SetSecureBootMode(STANDARD_SECURE_BOOT_MODE);\r | |
4857 | }\r | |
4858 | if (SecureBootMode != NULL) {\r | |
4859 | FreePool (SecureBootMode);\r | |
4860 | }\r | |
85974aef | 4861 | \r |
4862 | if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_DATA) {\r | |
4863 | //\r | |
4864 | // Free memory when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
4865 | //\r | |
4866 | SECUREBOOT_FREE_NON_NULL (Private->CheckArray);\r | |
4867 | IfrNvData->CheckedDataCount = 0;\r | |
4868 | }\r | |
ecc722ad | 4869 | }\r |
20333c6d | 4870 | \r |
96832eef CZ |
4871 | EXIT:\r |
4872 | \r | |
488aab25 | 4873 | if (!EFI_ERROR (Status) && GetBrowserDataResult) {\r |
ecc722ad | 4874 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
742d9b3a | 4875 | HiiSetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8*) IfrNvData, NULL);\r |
ecc722ad | 4876 | }\r |
96832eef | 4877 | \r |
ecc722ad | 4878 | FreePool (IfrNvData);\r |
20333c6d | 4879 | \r |
762d8ddb DB |
4880 | if (File != NULL){\r |
4881 | FreePool(File);\r | |
4882 | File = NULL;\r | |
4883 | }\r | |
4884 | \r | |
ecc722ad | 4885 | return EFI_SUCCESS;\r |
beda2356 | 4886 | }\r |
4887 | \r | |
4888 | /**\r | |
4889 | This function publish the SecureBoot configuration Form.\r | |
4890 | \r | |
4891 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
4892 | \r | |
ecc722ad | 4893 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 4894 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
4895 | @retval Others Other errors as indicated.\r | |
4896 | \r | |
4897 | **/\r | |
4898 | EFI_STATUS\r | |
4899 | InstallSecureBootConfigForm (\r | |
4900 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
4901 | )\r | |
4902 | {\r | |
4903 | EFI_STATUS Status;\r | |
4904 | EFI_HII_HANDLE HiiHandle;\r | |
4905 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 4906 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
4907 | \r | |
4908 | DriverHandle = NULL;\r | |
4909 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
4910 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
4911 | &DriverHandle,\r | |
4912 | &gEfiDevicePathProtocolGuid,\r | |
4913 | &mSecureBootHiiVendorDevicePath,\r | |
4914 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4915 | ConfigAccess,\r | |
4916 | NULL\r | |
4917 | );\r | |
4918 | if (EFI_ERROR (Status)) {\r | |
4919 | return Status;\r | |
4920 | }\r | |
4921 | \r | |
4922 | PrivateData->DriverHandle = DriverHandle;\r | |
4923 | \r | |
4924 | //\r | |
4925 | // Publish the HII package list\r | |
4926 | //\r | |
4927 | HiiHandle = HiiAddPackages (\r | |
4928 | &gSecureBootConfigFormSetGuid,\r | |
4929 | DriverHandle,\r | |
4930 | SecureBootConfigDxeStrings,\r | |
4931 | SecureBootConfigBin,\r | |
4932 | NULL\r | |
4933 | );\r | |
4934 | if (HiiHandle == NULL) {\r | |
4935 | gBS->UninstallMultipleProtocolInterfaces (\r | |
4936 | DriverHandle,\r | |
4937 | &gEfiDevicePathProtocolGuid,\r | |
4938 | &mSecureBootHiiVendorDevicePath,\r | |
4939 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4940 | ConfigAccess,\r | |
4941 | NULL\r | |
bc0c99b3 | 4942 | );\r |
beda2356 | 4943 | return EFI_OUT_OF_RESOURCES;\r |
4944 | }\r | |
bc0c99b3 | 4945 | \r |
beda2356 | 4946 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 4947 | \r |
4948 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
20333c6d | 4949 | \r |
762d8ddb | 4950 | if (PrivateData->FileContext == NULL) {\r |
ecc722ad | 4951 | UninstallSecureBootConfigForm (PrivateData);\r |
4952 | return EFI_OUT_OF_RESOURCES;\r | |
4953 | }\r | |
20333c6d | 4954 | \r |
ecc722ad | 4955 | //\r |
4956 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
4957 | //\r | |
4958 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4959 | if (mStartOpCodeHandle == NULL) {\r | |
4960 | UninstallSecureBootConfigForm (PrivateData);\r | |
4961 | return EFI_OUT_OF_RESOURCES;\r | |
4962 | }\r | |
4963 | \r | |
4964 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4965 | if (mEndOpCodeHandle == NULL) {\r | |
4966 | UninstallSecureBootConfigForm (PrivateData);\r | |
4967 | return EFI_OUT_OF_RESOURCES;\r | |
4968 | }\r | |
4969 | \r | |
4970 | //\r | |
4971 | // Create Hii Extend Label OpCode as the start opcode\r | |
4972 | //\r | |
4973 | mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
4974 | mStartOpCodeHandle,\r | |
4975 | &gEfiIfrTianoGuid,\r | |
4976 | NULL,\r | |
4977 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4978 | );\r | |
4979 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4980 | \r | |
4981 | //\r | |
4982 | // Create Hii Extend Label OpCode as the end opcode\r | |
4983 | //\r | |
4984 | mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
4985 | mEndOpCodeHandle,\r | |
4986 | &gEfiIfrTianoGuid,\r | |
4987 | NULL,\r | |
4988 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4989 | );\r | |
4990 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4991 | mEndLabel->Number = LABEL_END;\r | |
20333c6d | 4992 | \r |
bc0c99b3 | 4993 | return EFI_SUCCESS;\r |
beda2356 | 4994 | }\r |
4995 | \r | |
4996 | /**\r | |
4997 | This function removes SecureBoot configuration Form.\r | |
4998 | \r | |
4999 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
5000 | \r | |
5001 | **/\r | |
5002 | VOID\r | |
5003 | UninstallSecureBootConfigForm (\r | |
5004 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
5005 | )\r | |
5006 | {\r | |
5007 | //\r | |
5008 | // Uninstall HII package list\r | |
5009 | //\r | |
5010 | if (PrivateData->HiiHandle != NULL) {\r | |
5011 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
5012 | PrivateData->HiiHandle = NULL;\r | |
5013 | }\r | |
5014 | \r | |
5015 | //\r | |
5016 | // Uninstall HII Config Access Protocol\r | |
5017 | //\r | |
5018 | if (PrivateData->DriverHandle != NULL) {\r | |
5019 | gBS->UninstallMultipleProtocolInterfaces (\r | |
5020 | PrivateData->DriverHandle,\r | |
5021 | &gEfiDevicePathProtocolGuid,\r | |
5022 | &mSecureBootHiiVendorDevicePath,\r | |
5023 | &gEfiHiiConfigAccessProtocolGuid,\r | |
5024 | &PrivateData->ConfigAccess,\r | |
5025 | NULL\r | |
5026 | );\r | |
5027 | PrivateData->DriverHandle = NULL;\r | |
5028 | }\r | |
bc0c99b3 | 5029 | \r |
ecc722ad | 5030 | if (PrivateData->SignatureGUID != NULL) {\r |
5031 | FreePool (PrivateData->SignatureGUID);\r | |
5032 | }\r | |
5033 | \r | |
ecc722ad | 5034 | if (PrivateData->FileContext != NULL) {\r |
5035 | FreePool (PrivateData->FileContext);\r | |
5036 | }\r | |
5037 | \r | |
beda2356 | 5038 | FreePool (PrivateData);\r |
ecc722ad | 5039 | \r |
ecc722ad | 5040 | if (mStartOpCodeHandle != NULL) {\r |
5041 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
5042 | }\r | |
5043 | \r | |
5044 | if (mEndOpCodeHandle != NULL) {\r | |
5045 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
5046 | }\r | |
beda2356 | 5047 | }\r |