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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 | |
5396354b JG |
93 | //\r |
94 | // Prompt strings during certificate enrollment.\r | |
95 | //\r | |
96 | CHAR16* mX509EnrollPromptTitle[] = {\r | |
97 | L"",\r | |
98 | L"ERROR: Unsupported file type!",\r | |
99 | L"ERROR: Unsupported certificate!",\r | |
100 | NULL\r | |
101 | };\r | |
102 | CHAR16* mX509EnrollPromptString[] = {\r | |
103 | L"",\r | |
104 | L"Only DER encoded certificate file (*.cer/der/crt) is supported.",\r | |
105 | L"Public key length should be equal to or greater than 2048 bits.",\r | |
106 | NULL\r | |
107 | };\r | |
108 | \r | |
762d8ddb DB |
109 | SECUREBOOT_CONFIG_PRIVATE_DATA *gSecureBootPrivateData = NULL;\r |
110 | \r | |
4de754e1 ZC |
111 | /**\r |
112 | This code cleans up enrolled file by closing file & free related resources attached to\r | |
9d9b8b77 | 113 | enrolled file.\r |
4de754e1 | 114 | \r |
9d9b8b77 | 115 | @param[in] FileContext FileContext cached in SecureBootConfig driver\r |
4de754e1 ZC |
116 | \r |
117 | **/\r | |
4de754e1 ZC |
118 | VOID\r |
119 | CloseEnrolledFile(\r | |
120 | IN SECUREBOOT_FILE_CONTEXT *FileContext\r | |
121 | )\r | |
122 | {\r | |
123 | if (FileContext->FHandle != NULL) {\r | |
124 | CloseFile (FileContext->FHandle);\r | |
125 | FileContext->FHandle = NULL;\r | |
126 | }\r | |
127 | \r | |
128 | if (FileContext->FileName != NULL){\r | |
129 | FreePool(FileContext->FileName);\r | |
130 | FileContext->FileName = NULL;\r | |
131 | }\r | |
132 | FileContext->FileType = UNKNOWN_FILE_TYPE;\r | |
133 | \r | |
134 | }\r | |
135 | \r | |
e4d7370d | 136 | /**\r |
137 | This code checks if the FileSuffix is one of the possible DER-encoded certificate suffix.\r | |
138 | \r | |
139 | @param[in] FileSuffix The suffix of the input certificate file\r | |
140 | \r | |
141 | @retval TRUE It's a DER-encoded certificate.\r | |
142 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
143 | \r | |
144 | **/\r | |
145 | BOOLEAN\r | |
146 | IsDerEncodeCertificate (\r | |
147 | IN CONST CHAR16 *FileSuffix\r | |
148 | )\r | |
149 | {\r | |
20333c6d | 150 | UINTN Index;\r |
e4d7370d | 151 | for (Index = 0; mDerEncodedSuffix[Index] != NULL; Index++) {\r |
152 | if (StrCmp (FileSuffix, mDerEncodedSuffix[Index]) == 0) {\r | |
153 | return TRUE;\r | |
154 | }\r | |
155 | }\r | |
156 | return FALSE;\r | |
157 | }\r | |
ecc722ad | 158 | \r |
4de754e1 ZC |
159 | /**\r |
160 | This code checks if the file content complies with EFI_VARIABLE_AUTHENTICATION_2 format\r | |
161 | The function reads file content but won't open/close given FileHandle.\r | |
162 | \r | |
163 | @param[in] FileHandle The FileHandle to be checked\r | |
164 | \r | |
165 | @retval TRUE The content is EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
166 | @retval FALSE The content is NOT a EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
167 | \r | |
168 | **/\r | |
169 | BOOLEAN\r | |
170 | IsAuthentication2Format (\r | |
171 | IN EFI_FILE_HANDLE FileHandle\r | |
172 | )\r | |
173 | {\r | |
174 | EFI_STATUS Status;\r | |
175 | EFI_VARIABLE_AUTHENTICATION_2 *Auth2;\r | |
176 | BOOLEAN IsAuth2Format;\r | |
177 | \r | |
178 | IsAuth2Format = FALSE;\r | |
179 | \r | |
180 | //\r | |
181 | // Read the whole file content\r | |
182 | //\r | |
183 | Status = ReadFileContent(\r | |
184 | FileHandle,\r | |
185 | (VOID **) &mImageBase,\r | |
186 | &mImageSize,\r | |
187 | 0\r | |
188 | );\r | |
189 | if (EFI_ERROR (Status)) {\r | |
190 | goto ON_EXIT;\r | |
191 | }\r | |
192 | \r | |
193 | Auth2 = (EFI_VARIABLE_AUTHENTICATION_2 *)mImageBase;\r | |
194 | if (Auth2->AuthInfo.Hdr.wCertificateType != WIN_CERT_TYPE_EFI_GUID) {\r | |
195 | goto ON_EXIT;\r | |
196 | }\r | |
197 | \r | |
198 | if (CompareGuid(&gEfiCertPkcs7Guid, &Auth2->AuthInfo.CertType)) {\r | |
199 | IsAuth2Format = TRUE;\r | |
200 | }\r | |
201 | \r | |
202 | ON_EXIT:\r | |
203 | //\r | |
204 | // Do not close File. simply check file content\r | |
205 | //\r | |
206 | if (mImageBase != NULL) {\r | |
207 | FreePool (mImageBase);\r | |
208 | mImageBase = NULL;\r | |
209 | }\r | |
210 | \r | |
211 | return IsAuth2Format;\r | |
212 | }\r | |
213 | \r | |
ecc722ad | 214 | /**\r |
215 | Set Secure Boot option into variable space.\r | |
216 | \r | |
217 | @param[in] VarValue The option of Secure Boot.\r | |
218 | \r | |
219 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
220 | @retval Others Other errors as indicated.\r | |
221 | \r | |
222 | **/\r | |
223 | EFI_STATUS\r | |
224 | SaveSecureBootVariable (\r | |
225 | IN UINT8 VarValue\r | |
226 | )\r | |
227 | {\r | |
228 | EFI_STATUS Status;\r | |
229 | \r | |
230 | Status = gRT->SetVariable (\r | |
231 | EFI_SECURE_BOOT_ENABLE_NAME,\r | |
232 | &gEfiSecureBootEnableDisableGuid,\r | |
233 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
234 | sizeof (UINT8),\r | |
235 | &VarValue\r | |
236 | );\r | |
237 | return Status;\r | |
238 | }\r | |
239 | \r | |
8c1babfd | 240 | /**\r |
241 | Create a time based data payload by concatenating the EFI_VARIABLE_AUTHENTICATION_2\r | |
242 | descriptor with the input data. NO authentication is required in this function.\r | |
20333c6d | 243 | \r |
8c1babfd | 244 | @param[in, out] DataSize On input, the size of Data buffer in bytes.\r |
245 | On output, the size of data returned in Data\r | |
246 | buffer in bytes.\r | |
20333c6d | 247 | @param[in, out] Data On input, Pointer to data buffer to be wrapped or\r |
8c1babfd | 248 | pointer to NULL to wrap an empty payload.\r |
249 | On output, Pointer to the new payload date buffer allocated from pool,\r | |
20333c6d | 250 | it's caller's responsibility to free the memory when finish using it.\r |
8c1babfd | 251 | \r |
252 | @retval EFI_SUCCESS Create time based payload successfully.\r | |
d6b926e7 | 253 | @retval EFI_OUT_OF_RESOURCES There are not enough memory resources to create time based payload.\r |
8c1babfd | 254 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r |
255 | @retval Others Unexpected error happens.\r | |
256 | \r | |
257 | **/\r | |
258 | EFI_STATUS\r | |
259 | CreateTimeBasedPayload (\r | |
260 | IN OUT UINTN *DataSize,\r | |
261 | IN OUT UINT8 **Data\r | |
262 | )\r | |
263 | {\r | |
264 | EFI_STATUS Status;\r | |
265 | UINT8 *NewData;\r | |
266 | UINT8 *Payload;\r | |
267 | UINTN PayloadSize;\r | |
268 | EFI_VARIABLE_AUTHENTICATION_2 *DescriptorData;\r | |
269 | UINTN DescriptorSize;\r | |
270 | EFI_TIME Time;\r | |
20333c6d | 271 | \r |
8c1babfd | 272 | if (Data == NULL || DataSize == NULL) {\r |
273 | return EFI_INVALID_PARAMETER;\r | |
274 | }\r | |
20333c6d | 275 | \r |
8c1babfd | 276 | //\r |
20333c6d | 277 | // In Setup mode or Custom mode, the variable does not need to be signed but the\r |
8c1babfd | 278 | // parameters to the SetVariable() call still need to be prepared as authenticated\r |
279 | // variable. So we create EFI_VARIABLE_AUTHENTICATED_2 descriptor without certificate\r | |
280 | // data in it.\r | |
281 | //\r | |
282 | Payload = *Data;\r | |
283 | PayloadSize = *DataSize;\r | |
20333c6d | 284 | \r |
8c1babfd | 285 | DescriptorSize = OFFSET_OF (EFI_VARIABLE_AUTHENTICATION_2, AuthInfo) + OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
286 | NewData = (UINT8*) AllocateZeroPool (DescriptorSize + PayloadSize);\r | |
287 | if (NewData == NULL) {\r | |
288 | return EFI_OUT_OF_RESOURCES;\r | |
289 | }\r | |
290 | \r | |
291 | if ((Payload != NULL) && (PayloadSize != 0)) {\r | |
292 | CopyMem (NewData + DescriptorSize, Payload, PayloadSize);\r | |
293 | }\r | |
294 | \r | |
295 | DescriptorData = (EFI_VARIABLE_AUTHENTICATION_2 *) (NewData);\r | |
296 | \r | |
297 | ZeroMem (&Time, sizeof (EFI_TIME));\r | |
298 | Status = gRT->GetTime (&Time, NULL);\r | |
299 | if (EFI_ERROR (Status)) {\r | |
300 | FreePool(NewData);\r | |
301 | return Status;\r | |
302 | }\r | |
303 | Time.Pad1 = 0;\r | |
304 | Time.Nanosecond = 0;\r | |
305 | Time.TimeZone = 0;\r | |
306 | Time.Daylight = 0;\r | |
307 | Time.Pad2 = 0;\r | |
308 | CopyMem (&DescriptorData->TimeStamp, &Time, sizeof (EFI_TIME));\r | |
20333c6d | 309 | \r |
8c1babfd | 310 | DescriptorData->AuthInfo.Hdr.dwLength = OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
311 | DescriptorData->AuthInfo.Hdr.wRevision = 0x0200;\r | |
312 | DescriptorData->AuthInfo.Hdr.wCertificateType = WIN_CERT_TYPE_EFI_GUID;\r | |
313 | CopyGuid (&DescriptorData->AuthInfo.CertType, &gEfiCertPkcs7Guid);\r | |
20333c6d | 314 | \r |
8c1babfd | 315 | if (Payload != NULL) {\r |
316 | FreePool(Payload);\r | |
317 | }\r | |
20333c6d | 318 | \r |
8c1babfd | 319 | *DataSize = DescriptorSize + PayloadSize;\r |
320 | *Data = NewData;\r | |
321 | return EFI_SUCCESS;\r | |
322 | }\r | |
323 | \r | |
ecc722ad | 324 | /**\r |
325 | Internal helper function to delete a Variable given its name and GUID, NO authentication\r | |
326 | required.\r | |
327 | \r | |
328 | @param[in] VariableName Name of the Variable.\r | |
329 | @param[in] VendorGuid GUID of the Variable.\r | |
330 | \r | |
331 | @retval EFI_SUCCESS Variable deleted successfully.\r | |
332 | @retval Others The driver failed to start the device.\r | |
333 | \r | |
334 | **/\r | |
335 | EFI_STATUS\r | |
336 | DeleteVariable (\r | |
337 | IN CHAR16 *VariableName,\r | |
338 | IN EFI_GUID *VendorGuid\r | |
339 | )\r | |
340 | {\r | |
341 | EFI_STATUS Status;\r | |
342 | VOID* Variable;\r | |
8c1babfd | 343 | UINT8 *Data;\r |
344 | UINTN DataSize;\r | |
345 | UINT32 Attr;\r | |
ecc722ad | 346 | \r |
bf4a3dbd | 347 | GetVariable2 (VariableName, VendorGuid, &Variable, NULL);\r |
ecc722ad | 348 | if (Variable == NULL) {\r |
349 | return EFI_SUCCESS;\r | |
350 | }\r | |
f71ed839 | 351 | FreePool (Variable);\r |
ecc722ad | 352 | \r |
8c1babfd | 353 | Data = NULL;\r |
354 | DataSize = 0;\r | |
355 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
356 | | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
ecc722ad | 357 | \r |
8c1babfd | 358 | Status = CreateTimeBasedPayload (&DataSize, &Data);\r |
359 | if (EFI_ERROR (Status)) {\r | |
360 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
361 | return Status;\r | |
ecc722ad | 362 | }\r |
363 | \r | |
8c1babfd | 364 | Status = gRT->SetVariable (\r |
365 | VariableName,\r | |
366 | VendorGuid,\r | |
367 | Attr,\r | |
368 | DataSize,\r | |
369 | Data\r | |
370 | );\r | |
371 | if (Data != NULL) {\r | |
372 | FreePool (Data);\r | |
ecc722ad | 373 | }\r |
ecc722ad | 374 | return Status;\r |
375 | }\r | |
376 | \r | |
f71ed839 | 377 | /**\r |
378 | \r | |
379 | Set the platform secure boot mode into "Custom" or "Standard" mode.\r | |
380 | \r | |
381 | @param[in] SecureBootMode New secure boot mode: STANDARD_SECURE_BOOT_MODE or\r | |
382 | CUSTOM_SECURE_BOOT_MODE.\r | |
20333c6d | 383 | \r |
f71ed839 | 384 | @return EFI_SUCCESS The platform has switched to the special mode successfully.\r |
385 | @return other Fail to operate the secure boot mode.\r | |
20333c6d | 386 | \r |
f71ed839 | 387 | **/\r |
388 | EFI_STATUS\r | |
389 | SetSecureBootMode (\r | |
390 | IN UINT8 SecureBootMode\r | |
391 | )\r | |
392 | {\r | |
20333c6d | 393 | return gRT->SetVariable (\r |
f71ed839 | 394 | EFI_CUSTOM_MODE_NAME,\r |
395 | &gEfiCustomModeEnableGuid,\r | |
396 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
397 | sizeof (UINT8),\r | |
398 | &SecureBootMode\r | |
399 | );\r | |
400 | }\r | |
401 | \r | |
5396354b JG |
402 | /**\r |
403 | This code checks if the encode type and key strength of X.509\r | |
404 | certificate is qualified.\r | |
405 | \r | |
406 | @param[in] X509FileContext FileContext of X.509 certificate storing\r | |
407 | file.\r | |
408 | @param[out] Error Error type checked in the certificate.\r | |
409 | \r | |
410 | @return EFI_SUCCESS The certificate checked successfully.\r | |
411 | @return EFI_INVALID_PARAMETER The parameter is invalid.\r | |
412 | @return EFI_OUT_OF_RESOURCES Memory allocation failed.\r | |
413 | \r | |
414 | **/\r | |
415 | EFI_STATUS\r | |
416 | CheckX509Certificate (\r | |
417 | IN SECUREBOOT_FILE_CONTEXT* X509FileContext,\r | |
418 | OUT ENROLL_KEY_ERROR* Error\r | |
419 | )\r | |
420 | {\r | |
421 | EFI_STATUS Status;\r | |
422 | UINT16* FilePostFix;\r | |
423 | UINTN NameLength;\r | |
424 | UINT8* X509Data;\r | |
425 | UINTN X509DataSize;\r | |
426 | void* X509PubKey;\r | |
427 | UINTN PubKeyModSize;\r | |
428 | \r | |
429 | if (X509FileContext->FileName == NULL) {\r | |
430 | *Error = Unsupported_Type;\r | |
431 | return EFI_INVALID_PARAMETER;\r | |
432 | }\r | |
433 | \r | |
434 | X509Data = NULL;\r | |
435 | X509DataSize = 0;\r | |
436 | X509PubKey = NULL;\r | |
437 | PubKeyModSize = 0;\r | |
438 | \r | |
439 | //\r | |
440 | // Parse the file's postfix. Only support DER encoded X.509 certificate files.\r | |
441 | //\r | |
442 | NameLength = StrLen (X509FileContext->FileName);\r | |
443 | if (NameLength <= 4) {\r | |
444 | DEBUG ((DEBUG_ERROR, "Wrong X509 NameLength\n"));\r | |
445 | *Error = Unsupported_Type;\r | |
446 | return EFI_INVALID_PARAMETER;\r | |
447 | }\r | |
448 | FilePostFix = X509FileContext->FileName + NameLength - 4;\r | |
449 | if (!IsDerEncodeCertificate (FilePostFix)) {\r | |
450 | DEBUG ((DEBUG_ERROR, "Unsupported file type, only DER encoded certificate (%s) is supported.\n", mSupportX509Suffix));\r | |
451 | *Error = Unsupported_Type;\r | |
452 | return EFI_INVALID_PARAMETER;\r | |
453 | }\r | |
454 | DEBUG ((DEBUG_INFO, "FileName= %s\n", X509FileContext->FileName));\r | |
455 | DEBUG ((DEBUG_INFO, "FilePostFix = %s\n", FilePostFix));\r | |
456 | \r | |
457 | //\r | |
458 | // Read the certificate file content\r | |
459 | //\r | |
460 | Status = ReadFileContent (X509FileContext->FHandle, (VOID**) &X509Data, &X509DataSize, 0);\r | |
461 | if (EFI_ERROR (Status)) {\r | |
462 | DEBUG ((DEBUG_ERROR, "Error occured while reading the file.\n"));\r | |
463 | goto ON_EXIT;\r | |
464 | }\r | |
465 | \r | |
466 | //\r | |
467 | // Parse the public key context.\r | |
468 | //\r | |
469 | if (RsaGetPublicKeyFromX509 (X509Data, X509DataSize, &X509PubKey) == FALSE) {\r | |
470 | DEBUG ((DEBUG_ERROR, "Error occured while parsing the pubkey from certificate.\n"));\r | |
471 | Status = EFI_INVALID_PARAMETER;\r | |
472 | *Error = Unsupported_Type;\r | |
473 | goto ON_EXIT;\r | |
474 | }\r | |
475 | \r | |
476 | //\r | |
477 | // Parse Module size of public key using interface provided by CryptoPkg, which is\r | |
478 | // actually the size of public key.\r | |
479 | //\r | |
480 | if (X509PubKey != NULL) {\r | |
481 | RsaGetKey (X509PubKey, RsaKeyN, NULL, &PubKeyModSize);\r | |
482 | if (PubKeyModSize < CER_PUBKEY_MIN_SIZE) {\r | |
483 | DEBUG ((DEBUG_ERROR, "Unqualified PK size, key size should be equal to or greater than 2048 bits.\n"));\r | |
484 | Status = EFI_INVALID_PARAMETER;\r | |
485 | *Error = Unqualified_Key;\r | |
486 | }\r | |
487 | RsaFree (X509PubKey);\r | |
488 | }\r | |
489 | \r | |
490 | ON_EXIT:\r | |
491 | if (X509Data != NULL) {\r | |
492 | FreePool (X509Data);\r | |
493 | }\r | |
494 | \r | |
495 | return Status;\r | |
496 | }\r | |
497 | \r | |
ecc722ad | 498 | /**\r |
499 | Generate the PK signature list from the X509 Certificate storing file (.cer)\r | |
500 | \r | |
501 | @param[in] X509File FileHandle of X509 Certificate storing file.\r | |
502 | @param[out] PkCert Point to the data buffer to store the signature list.\r | |
20333c6d | 503 | \r |
ecc722ad | 504 | @return EFI_UNSUPPORTED Unsupported Key Length.\r |
d6b926e7 | 505 | @return EFI_OUT_OF_RESOURCES There are not enough memory resources to form the signature list.\r |
20333c6d | 506 | \r |
ecc722ad | 507 | **/\r |
508 | EFI_STATUS\r | |
509 | CreatePkX509SignatureList (\r | |
20333c6d QL |
510 | IN EFI_FILE_HANDLE X509File,\r |
511 | OUT EFI_SIGNATURE_LIST **PkCert\r | |
ecc722ad | 512 | )\r |
513 | {\r | |
20333c6d | 514 | EFI_STATUS Status;\r |
ecc722ad | 515 | UINT8 *X509Data;\r |
516 | UINTN X509DataSize;\r | |
517 | EFI_SIGNATURE_DATA *PkCertData;\r | |
518 | \r | |
519 | X509Data = NULL;\r | |
520 | PkCertData = NULL;\r | |
20333c6d QL |
521 | X509DataSize = 0;\r |
522 | \r | |
4adc12bf | 523 | Status = ReadFileContent (X509File, (VOID**) &X509Data, &X509DataSize, 0);\r |
ecc722ad | 524 | if (EFI_ERROR (Status)) {\r |
525 | goto ON_EXIT;\r | |
526 | }\r | |
ba57d4fd | 527 | ASSERT (X509Data != NULL);\r |
ecc722ad | 528 | \r |
529 | //\r | |
530 | // Allocate space for PK certificate list and initialize it.\r | |
531 | // Create PK database entry with SignatureHeaderSize equals 0.\r | |
532 | //\r | |
533 | *PkCert = (EFI_SIGNATURE_LIST*) AllocateZeroPool (\r | |
534 | sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
535 | + X509DataSize\r | |
536 | );\r | |
537 | if (*PkCert == NULL) {\r | |
538 | Status = EFI_OUT_OF_RESOURCES;\r | |
539 | goto ON_EXIT;\r | |
540 | }\r | |
541 | \r | |
20333c6d | 542 | (*PkCert)->SignatureListSize = (UINT32) (sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 543 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
544 | + X509DataSize);\r | |
545 | (*PkCert)->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
546 | (*PkCert)->SignatureHeaderSize = 0;\r | |
547 | CopyGuid (&(*PkCert)->SignatureType, &gEfiCertX509Guid);\r | |
20333c6d | 548 | PkCertData = (EFI_SIGNATURE_DATA*) ((UINTN)(*PkCert)\r |
ecc722ad | 549 | + sizeof(EFI_SIGNATURE_LIST)\r |
550 | + (*PkCert)->SignatureHeaderSize);\r | |
20333c6d | 551 | CopyGuid (&PkCertData->SignatureOwner, &gEfiGlobalVariableGuid);\r |
ecc722ad | 552 | //\r |
553 | // Fill the PK database with PKpub data from X509 certificate file.\r | |
20333c6d | 554 | //\r |
ecc722ad | 555 | CopyMem (&(PkCertData->SignatureData[0]), X509Data, X509DataSize);\r |
20333c6d | 556 | \r |
ecc722ad | 557 | ON_EXIT:\r |
20333c6d | 558 | \r |
ecc722ad | 559 | if (X509Data != NULL) {\r |
560 | FreePool (X509Data);\r | |
561 | }\r | |
20333c6d | 562 | \r |
ecc722ad | 563 | if (EFI_ERROR(Status) && *PkCert != NULL) {\r |
564 | FreePool (*PkCert);\r | |
565 | *PkCert = NULL;\r | |
566 | }\r | |
20333c6d | 567 | \r |
ecc722ad | 568 | return Status;\r |
569 | }\r | |
570 | \r | |
571 | /**\r | |
572 | Enroll new PK into the System without original PK's authentication.\r | |
573 | \r | |
574 | The SignatureOwner GUID will be the same with PK's vendorguid.\r | |
575 | \r | |
576 | @param[in] PrivateData The module's private data.\r | |
577 | \r | |
578 | @retval EFI_SUCCESS New PK enrolled successfully.\r | |
579 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
580 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 581 | \r |
ecc722ad | 582 | **/\r |
583 | EFI_STATUS\r | |
584 | EnrollPlatformKey (\r | |
585 | IN SECUREBOOT_CONFIG_PRIVATE_DATA* Private\r | |
20333c6d | 586 | )\r |
ecc722ad | 587 | {\r |
588 | EFI_STATUS Status;\r | |
589 | UINT32 Attr;\r | |
590 | UINTN DataSize;\r | |
591 | EFI_SIGNATURE_LIST *PkCert;\r | |
ecc722ad | 592 | \r |
593 | PkCert = NULL;\r | |
594 | \r | |
f71ed839 | 595 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
596 | if (EFI_ERROR (Status)) {\r | |
597 | return Status;\r | |
598 | }\r | |
599 | \r | |
ecc722ad | 600 | //\r |
d6b926e7 | 601 | // Prase the selected PK file and generate PK certificate list.\r |
ecc722ad | 602 | //\r |
8c1babfd | 603 | Status = CreatePkX509SignatureList (\r |
20333c6d QL |
604 | Private->FileContext->FHandle,\r |
605 | &PkCert\r | |
8c1babfd | 606 | );\r |
607 | if (EFI_ERROR (Status)) {\r | |
608 | goto ON_EXIT;\r | |
ecc722ad | 609 | }\r |
ba57d4fd | 610 | ASSERT (PkCert != NULL);\r |
20333c6d | 611 | \r |
ecc722ad | 612 | //\r |
613 | // Set Platform Key variable.\r | |
20333c6d QL |
614 | //\r |
615 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 616 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
ecc722ad | 617 | DataSize = PkCert->SignatureListSize;\r |
8c1babfd | 618 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &PkCert);\r |
619 | if (EFI_ERROR (Status)) {\r | |
620 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
621 | goto ON_EXIT;\r | |
622 | }\r | |
20333c6d | 623 | \r |
ecc722ad | 624 | Status = gRT->SetVariable(\r |
20333c6d QL |
625 | EFI_PLATFORM_KEY_NAME,\r |
626 | &gEfiGlobalVariableGuid,\r | |
627 | Attr,\r | |
628 | DataSize,\r | |
ecc722ad | 629 | PkCert\r |
630 | );\r | |
631 | if (EFI_ERROR (Status)) {\r | |
632 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
633 | DEBUG ((EFI_D_ERROR, "Enroll PK failed with out of resource.\n"));\r | |
634 | }\r | |
635 | goto ON_EXIT;\r | |
636 | }\r | |
20333c6d | 637 | \r |
ecc722ad | 638 | ON_EXIT:\r |
639 | \r | |
640 | if (PkCert != NULL) {\r | |
641 | FreePool(PkCert);\r | |
642 | }\r | |
20333c6d | 643 | \r |
4de754e1 | 644 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 645 | \r |
646 | return Status;\r | |
647 | }\r | |
648 | \r | |
649 | /**\r | |
650 | Remove the PK variable.\r | |
651 | \r | |
652 | @retval EFI_SUCCESS Delete PK successfully.\r | |
653 | @retval Others Could not allow to delete PK.\r | |
20333c6d | 654 | \r |
ecc722ad | 655 | **/\r |
656 | EFI_STATUS\r | |
657 | DeletePlatformKey (\r | |
658 | VOID\r | |
659 | )\r | |
660 | {\r | |
661 | EFI_STATUS Status;\r | |
662 | \r | |
f71ed839 | 663 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
664 | if (EFI_ERROR (Status)) {\r | |
665 | return Status;\r | |
666 | }\r | |
667 | \r | |
8c1babfd | 668 | Status = DeleteVariable (\r |
669 | EFI_PLATFORM_KEY_NAME,\r | |
670 | &gEfiGlobalVariableGuid\r | |
671 | );\r | |
ecc722ad | 672 | return Status;\r |
673 | }\r | |
674 | \r | |
675 | /**\r | |
676 | Enroll a new KEK item from public key storing file (*.pbk).\r | |
677 | \r | |
678 | @param[in] PrivateData The module's private data.\r | |
679 | \r | |
680 | @retval EFI_SUCCESS New KEK enrolled successfully.\r | |
681 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
682 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
683 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
684 | \r | |
685 | **/\r | |
686 | EFI_STATUS\r | |
687 | EnrollRsa2048ToKek (\r | |
688 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
689 | )\r | |
690 | {\r | |
691 | EFI_STATUS Status;\r | |
692 | UINT32 Attr;\r | |
693 | UINTN DataSize;\r | |
694 | EFI_SIGNATURE_LIST *KekSigList;\r | |
695 | UINTN KeyBlobSize;\r | |
696 | UINT8 *KeyBlob;\r | |
697 | CPL_KEY_INFO *KeyInfo;\r | |
698 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
699 | UINTN KekSigListSize;\r | |
20333c6d | 700 | UINT8 *KeyBuffer;\r |
ecc722ad | 701 | UINTN KeyLenInBytes;\r |
702 | \r | |
703 | Attr = 0;\r | |
704 | DataSize = 0;\r | |
705 | KeyBuffer = NULL;\r | |
706 | KeyBlobSize = 0;\r | |
707 | KeyBlob = NULL;\r | |
708 | KeyInfo = NULL;\r | |
709 | KEKSigData = NULL;\r | |
710 | KekSigList = NULL;\r | |
711 | KekSigListSize = 0;\r | |
20333c6d | 712 | \r |
ecc722ad | 713 | //\r |
714 | // Form the KeKpub certificate list into EFI_SIGNATURE_LIST type.\r | |
715 | // First, We have to parse out public key data from the pbk key file.\r | |
20333c6d | 716 | //\r |
ecc722ad | 717 | Status = ReadFileContent (\r |
718 | Private->FileContext->FHandle,\r | |
4adc12bf | 719 | (VOID**) &KeyBlob,\r |
ecc722ad | 720 | &KeyBlobSize,\r |
721 | 0\r | |
722 | );\r | |
723 | if (EFI_ERROR (Status)) {\r | |
724 | goto ON_EXIT;\r | |
725 | }\r | |
ba57d4fd | 726 | ASSERT (KeyBlob != NULL);\r |
ecc722ad | 727 | KeyInfo = (CPL_KEY_INFO *) KeyBlob;\r |
728 | if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {\r | |
729 | DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));\r | |
730 | Status = EFI_UNSUPPORTED;\r | |
731 | goto ON_EXIT;\r | |
732 | }\r | |
20333c6d | 733 | \r |
ecc722ad | 734 | //\r |
735 | // Convert the Public key to fix octet string format represented in RSA PKCS#1.\r | |
20333c6d | 736 | //\r |
ecc722ad | 737 | KeyLenInBytes = KeyInfo->KeyLengthInBits / 8;\r |
738 | KeyBuffer = AllocateZeroPool (KeyLenInBytes);\r | |
739 | if (KeyBuffer == NULL) {\r | |
740 | Status = EFI_OUT_OF_RESOURCES;\r | |
741 | goto ON_EXIT;\r | |
742 | }\r | |
743 | Int2OctStr (\r | |
20333c6d QL |
744 | (UINTN*) (KeyBlob + sizeof (CPL_KEY_INFO)),\r |
745 | KeyLenInBytes / sizeof (UINTN),\r | |
746 | KeyBuffer,\r | |
ecc722ad | 747 | KeyLenInBytes\r |
748 | );\r | |
749 | CopyMem(KeyBlob + sizeof(CPL_KEY_INFO), KeyBuffer, KeyLenInBytes);\r | |
20333c6d | 750 | \r |
ecc722ad | 751 | //\r |
752 | // Form an new EFI_SIGNATURE_LIST.\r | |
753 | //\r | |
754 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
755 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
756 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
757 | \r | |
758 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
759 | if (KekSigList == NULL) {\r | |
760 | Status = EFI_OUT_OF_RESOURCES;\r | |
761 | goto ON_EXIT;\r | |
762 | }\r | |
763 | \r | |
764 | KekSigList->SignatureListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
765 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
766 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
767 | KekSigList->SignatureHeaderSize = 0;\r | |
768 | KekSigList->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
769 | CopyGuid (&KekSigList->SignatureType, &gEfiCertRsa2048Guid);\r | |
20333c6d | 770 | \r |
ecc722ad | 771 | KEKSigData = (EFI_SIGNATURE_DATA*)((UINT8*)KekSigList + sizeof(EFI_SIGNATURE_LIST));\r |
772 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
773 | CopyMem (\r | |
774 | KEKSigData->SignatureData,\r | |
775 | KeyBlob + sizeof(CPL_KEY_INFO),\r | |
776 | WIN_CERT_UEFI_RSA2048_SIZE\r | |
777 | );\r | |
20333c6d | 778 | \r |
ecc722ad | 779 | //\r |
20333c6d QL |
780 | // Check if KEK entry has been already existed.\r |
781 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 782 | // new KEK to original variable.\r |
20333c6d QL |
783 | //\r |
784 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 785 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
786 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
787 | if (EFI_ERROR (Status)) {\r | |
788 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
789 | goto ON_EXIT;\r | |
790 | }\r | |
791 | \r | |
ecc722ad | 792 | Status = gRT->GetVariable(\r |
20333c6d QL |
793 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
794 | &gEfiGlobalVariableGuid,\r | |
795 | NULL,\r | |
796 | &DataSize,\r | |
ecc722ad | 797 | NULL\r |
798 | );\r | |
799 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
800 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
801 | } else if (Status != EFI_NOT_FOUND) {\r | |
802 | goto ON_EXIT;\r | |
803 | }\r | |
20333c6d | 804 | \r |
ecc722ad | 805 | //\r |
806 | // Done. Now we have formed the correct KEKpub database item, just set it into variable storage,\r | |
20333c6d | 807 | //\r |
ecc722ad | 808 | Status = gRT->SetVariable(\r |
20333c6d QL |
809 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
810 | &gEfiGlobalVariableGuid,\r | |
811 | Attr,\r | |
812 | KekSigListSize,\r | |
ecc722ad | 813 | KekSigList\r |
814 | );\r | |
815 | if (EFI_ERROR (Status)) {\r | |
816 | goto ON_EXIT;\r | |
817 | }\r | |
20333c6d | 818 | \r |
ecc722ad | 819 | ON_EXIT:\r |
820 | \r | |
4de754e1 | 821 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 822 | \r |
823 | if (Private->SignatureGUID != NULL) {\r | |
824 | FreePool (Private->SignatureGUID);\r | |
825 | Private->SignatureGUID = NULL;\r | |
826 | }\r | |
827 | \r | |
828 | if (KeyBlob != NULL) {\r | |
829 | FreePool (KeyBlob);\r | |
830 | }\r | |
831 | if (KeyBuffer != NULL) {\r | |
832 | FreePool (KeyBuffer);\r | |
833 | }\r | |
834 | if (KekSigList != NULL) {\r | |
835 | FreePool (KekSigList);\r | |
836 | }\r | |
20333c6d | 837 | \r |
ecc722ad | 838 | return Status;\r |
839 | }\r | |
840 | \r | |
841 | /**\r | |
842 | Enroll a new KEK item from X509 certificate file.\r | |
843 | \r | |
844 | @param[in] PrivateData The module's private data.\r | |
845 | \r | |
846 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
847 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
848 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
849 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
850 | \r | |
851 | **/\r | |
852 | EFI_STATUS\r | |
853 | EnrollX509ToKek (\r | |
854 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
20333c6d | 855 | )\r |
ecc722ad | 856 | {\r |
857 | EFI_STATUS Status;\r | |
858 | UINTN X509DataSize;\r | |
859 | VOID *X509Data;\r | |
860 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
861 | EFI_SIGNATURE_LIST *KekSigList;\r | |
862 | UINTN DataSize;\r | |
863 | UINTN KekSigListSize;\r | |
864 | UINT32 Attr;\r | |
865 | \r | |
866 | X509Data = NULL;\r | |
867 | X509DataSize = 0;\r | |
868 | KekSigList = NULL;\r | |
869 | KekSigListSize = 0;\r | |
870 | DataSize = 0;\r | |
871 | KEKSigData = NULL;\r | |
872 | \r | |
873 | Status = ReadFileContent (\r | |
874 | Private->FileContext->FHandle,\r | |
875 | &X509Data,\r | |
876 | &X509DataSize,\r | |
877 | 0\r | |
878 | );\r | |
879 | if (EFI_ERROR (Status)) {\r | |
880 | goto ON_EXIT;\r | |
881 | }\r | |
ba57d4fd | 882 | ASSERT (X509Data != NULL);\r |
ecc722ad | 883 | \r |
884 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
885 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
886 | if (KekSigList == NULL) {\r | |
887 | Status = EFI_OUT_OF_RESOURCES;\r | |
888 | goto ON_EXIT;\r | |
889 | }\r | |
890 | \r | |
891 | //\r | |
892 | // Fill Certificate Database parameters.\r | |
20333c6d | 893 | //\r |
ecc722ad | 894 | KekSigList->SignatureListSize = (UINT32) KekSigListSize;\r |
895 | KekSigList->SignatureHeaderSize = 0;\r | |
896 | KekSigList->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
897 | CopyGuid (&KekSigList->SignatureType, &gEfiCertX509Guid);\r | |
898 | \r | |
899 | KEKSigData = (EFI_SIGNATURE_DATA*) ((UINT8*) KekSigList + sizeof (EFI_SIGNATURE_LIST));\r | |
900 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
901 | CopyMem (KEKSigData->SignatureData, X509Data, X509DataSize);\r | |
902 | \r | |
903 | //\r | |
20333c6d QL |
904 | // Check if KEK been already existed.\r |
905 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 906 | // new kek to original variable\r |
20333c6d QL |
907 | //\r |
908 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 909 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
910 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
911 | if (EFI_ERROR (Status)) {\r | |
912 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
913 | goto ON_EXIT;\r | |
914 | }\r | |
20333c6d | 915 | \r |
ecc722ad | 916 | Status = gRT->GetVariable(\r |
20333c6d QL |
917 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
918 | &gEfiGlobalVariableGuid,\r | |
919 | NULL,\r | |
920 | &DataSize,\r | |
ecc722ad | 921 | NULL\r |
922 | );\r | |
923 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
924 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
925 | } else if (Status != EFI_NOT_FOUND) {\r | |
926 | goto ON_EXIT;\r | |
20333c6d | 927 | }\r |
ecc722ad | 928 | \r |
929 | Status = gRT->SetVariable(\r | |
20333c6d QL |
930 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
931 | &gEfiGlobalVariableGuid,\r | |
932 | Attr,\r | |
ecc722ad | 933 | KekSigListSize,\r |
934 | KekSigList\r | |
935 | );\r | |
936 | if (EFI_ERROR (Status)) {\r | |
937 | goto ON_EXIT;\r | |
938 | }\r | |
939 | \r | |
940 | ON_EXIT:\r | |
20333c6d | 941 | \r |
4de754e1 | 942 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d QL |
943 | \r |
944 | if (Private->SignatureGUID != NULL) {\r | |
945 | FreePool (Private->SignatureGUID);\r | |
946 | Private->SignatureGUID = NULL;\r | |
947 | }\r | |
948 | \r | |
949 | if (KekSigList != NULL) {\r | |
950 | FreePool (KekSigList);\r | |
951 | }\r | |
952 | \r | |
953 | return Status;\r | |
954 | }\r | |
955 | \r | |
956 | /**\r | |
957 | Enroll new KEK into the System without PK's authentication.\r | |
958 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
959 | \r | |
960 | @param[in] PrivateData The module's private data.\r | |
961 | \r | |
962 | @retval EFI_SUCCESS New KEK enrolled successful.\r | |
963 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
964 | @retval others Fail to enroll KEK data.\r | |
965 | \r | |
966 | **/\r | |
967 | EFI_STATUS\r | |
968 | EnrollKeyExchangeKey (\r | |
969 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
970 | )\r | |
971 | {\r | |
972 | UINT16* FilePostFix;\r | |
973 | EFI_STATUS Status;\r | |
974 | UINTN NameLength;\r | |
975 | \r | |
4de754e1 | 976 | if ((Private->FileContext->FHandle == NULL) || (Private->FileContext->FileName == NULL) || (Private->SignatureGUID == NULL)) {\r |
20333c6d QL |
977 | return EFI_INVALID_PARAMETER;\r |
978 | }\r | |
979 | \r | |
980 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
981 | if (EFI_ERROR (Status)) {\r | |
982 | return Status;\r | |
983 | }\r | |
984 | \r | |
985 | //\r | |
986 | // Parse the file's postfix. Supports DER-encoded X509 certificate,\r | |
987 | // and .pbk as RSA public key file.\r | |
988 | //\r | |
989 | NameLength = StrLen (Private->FileContext->FileName);\r | |
990 | if (NameLength <= 4) {\r | |
991 | return EFI_INVALID_PARAMETER;\r | |
992 | }\r | |
993 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
994 | if (IsDerEncodeCertificate(FilePostFix)) {\r | |
995 | return EnrollX509ToKek (Private);\r | |
996 | } else if (CompareMem (FilePostFix, L".pbk",4) == 0) {\r | |
997 | return EnrollRsa2048ToKek (Private);\r | |
998 | } else {\r | |
4de754e1 ZC |
999 | //\r |
1000 | // File type is wrong, simply close it\r | |
1001 | //\r | |
1002 | CloseEnrolledFile(Private->FileContext);\r | |
1003 | \r | |
20333c6d QL |
1004 | return EFI_INVALID_PARAMETER;\r |
1005 | }\r | |
1006 | }\r | |
1007 | \r | |
1008 | /**\r | |
1009 | Enroll a new X509 certificate into Signature Database (DB or DBX or DBT) without\r | |
1010 | KEK's authentication.\r | |
1011 | \r | |
1012 | @param[in] PrivateData The module's private data.\r | |
1013 | @param[in] VariableName Variable name of signature database, must be\r | |
1014 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
1015 | \r | |
1016 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
1017 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1018 | \r | |
1019 | **/\r | |
1020 | EFI_STATUS\r | |
1021 | EnrollX509toSigDB (\r | |
1022 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
1023 | IN CHAR16 *VariableName\r | |
1024 | )\r | |
1025 | {\r | |
1026 | EFI_STATUS Status;\r | |
1027 | UINTN X509DataSize;\r | |
1028 | VOID *X509Data;\r | |
1029 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
1030 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
1031 | VOID *Data;\r | |
1032 | UINTN DataSize;\r | |
1033 | UINTN SigDBSize;\r | |
1034 | UINT32 Attr;\r | |
1035 | \r | |
1036 | X509DataSize = 0;\r | |
1037 | SigDBSize = 0;\r | |
1038 | DataSize = 0;\r | |
1039 | X509Data = NULL;\r | |
1040 | SigDBCert = NULL;\r | |
1041 | SigDBCertData = NULL;\r | |
1042 | Data = NULL;\r | |
1043 | \r | |
1044 | Status = ReadFileContent (\r | |
1045 | Private->FileContext->FHandle,\r | |
1046 | &X509Data,\r | |
1047 | &X509DataSize,\r | |
1048 | 0\r | |
1049 | );\r | |
1050 | if (EFI_ERROR (Status)) {\r | |
1051 | goto ON_EXIT;\r | |
1052 | }\r | |
1053 | ASSERT (X509Data != NULL);\r | |
1054 | \r | |
1055 | SigDBSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
1056 | \r | |
1057 | Data = AllocateZeroPool (SigDBSize);\r | |
1058 | if (Data == NULL) {\r | |
1059 | Status = EFI_OUT_OF_RESOURCES;\r | |
1060 | goto ON_EXIT;\r | |
1061 | }\r | |
1062 | \r | |
1063 | //\r | |
1064 | // Fill Certificate Database parameters.\r | |
1065 | //\r | |
1066 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r | |
1067 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
1068 | SigDBCert->SignatureHeaderSize = 0;\r | |
1069 | SigDBCert->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
1070 | CopyGuid (&SigDBCert->SignatureType, &gEfiCertX509Guid);\r | |
1071 | \r | |
1072 | SigDBCertData = (EFI_SIGNATURE_DATA*) ((UINT8* ) SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r | |
1073 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
1074 | CopyMem ((UINT8* ) (SigDBCertData->SignatureData), X509Data, X509DataSize);\r | |
1075 | \r | |
1076 | //\r | |
1077 | // Check if signature database entry has been already existed.\r | |
1078 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
1079 | // new signature data to original variable\r | |
1080 | //\r | |
1081 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
1082 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
1083 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
1084 | if (EFI_ERROR (Status)) {\r | |
1085 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
1086 | goto ON_EXIT;\r | |
1087 | }\r | |
1088 | \r | |
1089 | Status = gRT->GetVariable(\r | |
1090 | VariableName,\r | |
1091 | &gEfiImageSecurityDatabaseGuid,\r | |
1092 | NULL,\r | |
1093 | &DataSize,\r | |
1094 | NULL\r | |
1095 | );\r | |
1096 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1097 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
1098 | } else if (Status != EFI_NOT_FOUND) {\r | |
1099 | goto ON_EXIT;\r | |
1100 | }\r | |
1101 | \r | |
1102 | Status = gRT->SetVariable(\r | |
1103 | VariableName,\r | |
1104 | &gEfiImageSecurityDatabaseGuid,\r | |
1105 | Attr,\r | |
1106 | SigDBSize,\r | |
1107 | Data\r | |
1108 | );\r | |
1109 | if (EFI_ERROR (Status)) {\r | |
1110 | goto ON_EXIT;\r | |
1111 | }\r | |
1112 | \r | |
1113 | ON_EXIT:\r | |
1114 | \r | |
4de754e1 | 1115 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d QL |
1116 | \r |
1117 | if (Private->SignatureGUID != NULL) {\r | |
1118 | FreePool (Private->SignatureGUID);\r | |
1119 | Private->SignatureGUID = NULL;\r | |
1120 | }\r | |
1121 | \r | |
1122 | if (Data != NULL) {\r | |
1123 | FreePool (Data);\r | |
1124 | }\r | |
1125 | \r | |
1126 | if (X509Data != NULL) {\r | |
1127 | FreePool (X509Data);\r | |
1128 | }\r | |
1129 | \r | |
1130 | return Status;\r | |
1131 | }\r | |
1132 | \r | |
1133 | /**\r | |
1134 | Check whether signature is in specified database.\r | |
1135 | \r | |
1136 | @param[in] VariableName Name of database variable that is searched in.\r | |
1137 | @param[in] Signature Pointer to signature that is searched for.\r | |
1138 | @param[in] SignatureSize Size of Signature.\r | |
1139 | \r | |
1140 | @return TRUE Found the signature in the variable database.\r | |
1141 | @return FALSE Not found the signature in the variable database.\r | |
1142 | \r | |
1143 | **/\r | |
1144 | BOOLEAN\r | |
1145 | IsSignatureFoundInDatabase (\r | |
1146 | IN CHAR16 *VariableName,\r | |
1147 | IN UINT8 *Signature,\r | |
1148 | IN UINTN SignatureSize\r | |
1149 | )\r | |
1150 | {\r | |
1151 | EFI_STATUS Status;\r | |
1152 | EFI_SIGNATURE_LIST *CertList;\r | |
1153 | EFI_SIGNATURE_DATA *Cert;\r | |
1154 | UINTN DataSize;\r | |
1155 | UINT8 *Data;\r | |
1156 | UINTN Index;\r | |
1157 | UINTN CertCount;\r | |
1158 | BOOLEAN IsFound;\r | |
1159 | \r | |
1160 | //\r | |
1161 | // Read signature database variable.\r | |
1162 | //\r | |
1163 | IsFound = FALSE;\r | |
1164 | Data = NULL;\r | |
1165 | DataSize = 0;\r | |
1166 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1167 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1168 | return FALSE;\r | |
1169 | }\r | |
1170 | \r | |
1171 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1172 | if (Data == NULL) {\r | |
1173 | return FALSE;\r | |
1174 | }\r | |
1175 | \r | |
1176 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1177 | if (EFI_ERROR (Status)) {\r | |
1178 | goto Done;\r | |
1179 | }\r | |
1180 | \r | |
1181 | //\r | |
d6b926e7 | 1182 | // Enumerate all signature data in SigDB to check if signature exists for executable.\r |
20333c6d QL |
1183 | //\r |
1184 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
1185 | while ((DataSize > 0) && (DataSize >= CertList->SignatureListSize)) {\r | |
1186 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
1187 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
1188 | if ((CertList->SignatureSize == sizeof(EFI_SIGNATURE_DATA) - 1 + SignatureSize) && (CompareGuid(&CertList->SignatureType, &gEfiCertX509Guid))) {\r | |
1189 | for (Index = 0; Index < CertCount; Index++) {\r | |
1190 | if (CompareMem (Cert->SignatureData, Signature, SignatureSize) == 0) {\r | |
1191 | //\r | |
1192 | // Find the signature in database.\r | |
1193 | //\r | |
1194 | IsFound = TRUE;\r | |
1195 | break;\r | |
1196 | }\r | |
1197 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
1198 | }\r | |
1199 | \r | |
1200 | if (IsFound) {\r | |
1201 | break;\r | |
1202 | }\r | |
1203 | }\r | |
1204 | \r | |
1205 | DataSize -= CertList->SignatureListSize;\r | |
1206 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
1207 | }\r | |
1208 | \r | |
1209 | Done:\r | |
1210 | if (Data != NULL) {\r | |
1211 | FreePool (Data);\r | |
1212 | }\r | |
1213 | \r | |
1214 | return IsFound;\r | |
1215 | }\r | |
1216 | \r | |
1217 | /**\r | |
1218 | Calculate the hash of a certificate data with the specified hash algorithm.\r | |
1219 | \r | |
1220 | @param[in] CertData The certificate data to be hashed.\r | |
1221 | @param[in] CertSize The certificate size in bytes.\r | |
1222 | @param[in] HashAlg The specified hash algorithm.\r | |
1223 | @param[out] CertHash The output digest of the certificate\r | |
1224 | \r | |
1225 | @retval TRUE Successfully got the hash of the CertData.\r | |
1226 | @retval FALSE Failed to get the hash of CertData.\r | |
1227 | \r | |
1228 | **/\r | |
1229 | BOOLEAN\r | |
1230 | CalculateCertHash (\r | |
1231 | IN UINT8 *CertData,\r | |
1232 | IN UINTN CertSize,\r | |
1233 | IN UINT32 HashAlg,\r | |
1234 | OUT UINT8 *CertHash\r | |
1235 | )\r | |
1236 | {\r | |
1237 | BOOLEAN Status;\r | |
1238 | VOID *HashCtx;\r | |
1239 | UINTN CtxSize;\r | |
12d95665 LQ |
1240 | UINT8 *TBSCert;\r |
1241 | UINTN TBSCertSize;\r | |
20333c6d QL |
1242 | \r |
1243 | HashCtx = NULL;\r | |
1244 | Status = FALSE;\r | |
1245 | \r | |
1246 | if (HashAlg >= HASHALG_MAX) {\r | |
1247 | return FALSE;\r | |
1248 | }\r | |
1249 | \r | |
12d95665 LQ |
1250 | //\r |
1251 | // Retrieve the TBSCertificate for Hash Calculation.\r | |
1252 | //\r | |
1253 | if (!X509GetTBSCert (CertData, CertSize, &TBSCert, &TBSCertSize)) {\r | |
1254 | return FALSE;\r | |
1255 | }\r | |
1256 | \r | |
20333c6d QL |
1257 | //\r |
1258 | // 1. Initialize context of hash.\r | |
1259 | //\r | |
1260 | CtxSize = mHash[HashAlg].GetContextSize ();\r | |
1261 | HashCtx = AllocatePool (CtxSize);\r | |
1262 | ASSERT (HashCtx != NULL);\r | |
1263 | \r | |
1264 | //\r | |
1265 | // 2. Initialize a hash context.\r | |
1266 | //\r | |
1267 | Status = mHash[HashAlg].HashInit (HashCtx);\r | |
1268 | if (!Status) {\r | |
1269 | goto Done;\r | |
1270 | }\r | |
1271 | \r | |
1272 | //\r | |
1273 | // 3. Calculate the hash.\r | |
1274 | //\r | |
12d95665 | 1275 | Status = mHash[HashAlg].HashUpdate (HashCtx, TBSCert, TBSCertSize);\r |
20333c6d QL |
1276 | if (!Status) {\r |
1277 | goto Done;\r | |
1278 | }\r | |
1279 | \r | |
1280 | //\r | |
1281 | // 4. Get the hash result.\r | |
1282 | //\r | |
1283 | ZeroMem (CertHash, mHash[HashAlg].DigestLength);\r | |
1284 | Status = mHash[HashAlg].HashFinal (HashCtx, CertHash);\r | |
1285 | \r | |
1286 | Done:\r | |
1287 | if (HashCtx != NULL) {\r | |
1288 | FreePool (HashCtx);\r | |
1289 | }\r | |
1290 | \r | |
1291 | return Status;\r | |
1292 | }\r | |
1293 | \r | |
1294 | /**\r | |
1295 | Check whether the hash of an X.509 certificate is in forbidden database (DBX).\r | |
1296 | \r | |
1297 | @param[in] Certificate Pointer to X.509 Certificate that is searched for.\r | |
1298 | @param[in] CertSize Size of X.509 Certificate.\r | |
1299 | \r | |
1300 | @return TRUE Found the certificate hash in the forbidden database.\r | |
1301 | @return FALSE Certificate hash is Not found in the forbidden database.\r | |
1302 | \r | |
1303 | **/\r | |
1304 | BOOLEAN\r | |
1305 | IsCertHashFoundInDbx (\r | |
1306 | IN UINT8 *Certificate,\r | |
1307 | IN UINTN CertSize\r | |
1308 | )\r | |
1309 | {\r | |
1310 | BOOLEAN IsFound;\r | |
1311 | EFI_STATUS Status;\r | |
1312 | EFI_SIGNATURE_LIST *DbxList;\r | |
1313 | EFI_SIGNATURE_DATA *CertHash;\r | |
1314 | UINTN CertHashCount;\r | |
1315 | UINTN Index;\r | |
1316 | UINT32 HashAlg;\r | |
1317 | UINT8 CertDigest[MAX_DIGEST_SIZE];\r | |
1318 | UINT8 *DbxCertHash;\r | |
1319 | UINTN SiglistHeaderSize;\r | |
1320 | UINT8 *Data;\r | |
1321 | UINTN DataSize;\r | |
1322 | \r | |
1323 | IsFound = FALSE;\r | |
1324 | HashAlg = HASHALG_MAX;\r | |
1325 | Data = NULL;\r | |
1326 | \r | |
1327 | //\r | |
1328 | // Read signature database variable.\r | |
1329 | //\r | |
1330 | DataSize = 0;\r | |
1331 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1332 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1333 | return FALSE;\r | |
1334 | }\r | |
1335 | \r | |
1336 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1337 | if (Data == NULL) {\r | |
1338 | return FALSE;\r | |
1339 | }\r | |
1340 | \r | |
1341 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1342 | if (EFI_ERROR (Status)) {\r | |
1343 | goto Done;\r | |
1344 | }\r | |
1345 | \r | |
1346 | //\r | |
1347 | // Check whether the certificate hash exists in the forbidden database.\r | |
1348 | //\r | |
1349 | DbxList = (EFI_SIGNATURE_LIST *) Data;\r | |
1350 | while ((DataSize > 0) && (DataSize >= DbxList->SignatureListSize)) {\r | |
1351 | //\r | |
1352 | // Determine Hash Algorithm of Certificate in the forbidden database.\r | |
1353 | //\r | |
1354 | if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
1355 | HashAlg = HASHALG_SHA256;\r | |
1356 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
1357 | HashAlg = HASHALG_SHA384;\r | |
1358 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
1359 | HashAlg = HASHALG_SHA512;\r | |
1360 | } else {\r | |
1361 | DataSize -= DbxList->SignatureListSize;\r | |
1362 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1363 | continue;\r | |
1364 | }\r | |
1365 | \r | |
1366 | //\r | |
1367 | // Calculate the hash value of current db certificate for comparision.\r | |
1368 | //\r | |
1369 | if (!CalculateCertHash (Certificate, CertSize, HashAlg, CertDigest)) {\r | |
1370 | goto Done;\r | |
1371 | }\r | |
1372 | \r | |
1373 | SiglistHeaderSize = sizeof (EFI_SIGNATURE_LIST) + DbxList->SignatureHeaderSize;\r | |
1374 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) DbxList + SiglistHeaderSize);\r | |
1375 | CertHashCount = (DbxList->SignatureListSize - SiglistHeaderSize) / DbxList->SignatureSize;\r | |
1376 | for (Index = 0; Index < CertHashCount; Index++) {\r | |
1377 | //\r | |
1378 | // Iterate each Signature Data Node within this CertList for verify.\r | |
1379 | //\r | |
1380 | DbxCertHash = CertHash->SignatureData;\r | |
1381 | if (CompareMem (DbxCertHash, CertDigest, mHash[HashAlg].DigestLength) == 0) {\r | |
1382 | //\r | |
1383 | // Hash of Certificate is found in forbidden database.\r | |
1384 | //\r | |
1385 | IsFound = TRUE;\r | |
1386 | goto Done;\r | |
1387 | }\r | |
1388 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertHash + DbxList->SignatureSize);\r | |
1389 | }\r | |
1390 | \r | |
1391 | DataSize -= DbxList->SignatureListSize;\r | |
1392 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1393 | }\r | |
1394 | \r | |
1395 | Done:\r | |
1396 | if (Data != NULL) {\r | |
1397 | FreePool (Data);\r | |
1398 | }\r | |
1399 | \r | |
1400 | return IsFound;\r | |
1401 | }\r | |
1402 | \r | |
1403 | /**\r | |
1404 | Check whether the signature list exists in given variable data.\r | |
1405 | \r | |
d6b926e7 | 1406 | It searches the signature list for the certificate hash by CertType.\r |
20333c6d QL |
1407 | If the signature list is found, get the offset of Database for the\r |
1408 | next hash of a certificate.\r | |
1409 | \r | |
1410 | @param[in] Database Variable data to save signature list.\r | |
1411 | @param[in] DatabaseSize Variable size.\r | |
1412 | @param[in] SignatureType The type of the signature.\r | |
1413 | @param[out] Offset The offset to save a new hash of certificate.\r | |
1414 | \r | |
1415 | @return TRUE The signature list is found in the forbidden database.\r | |
1416 | @return FALSE The signature list is not found in the forbidden database.\r | |
1417 | **/\r | |
1418 | BOOLEAN\r | |
1419 | GetSignaturelistOffset (\r | |
1420 | IN EFI_SIGNATURE_LIST *Database,\r | |
1421 | IN UINTN DatabaseSize,\r | |
1422 | IN EFI_GUID *SignatureType,\r | |
1423 | OUT UINTN *Offset\r | |
1424 | )\r | |
1425 | {\r | |
1426 | EFI_SIGNATURE_LIST *SigList;\r | |
1427 | UINTN SiglistSize;\r | |
1428 | \r | |
1429 | if ((Database == NULL) || (DatabaseSize == 0)) {\r | |
1430 | *Offset = 0;\r | |
1431 | return FALSE;\r | |
1432 | }\r | |
1433 | \r | |
1434 | SigList = Database;\r | |
1435 | SiglistSize = DatabaseSize;\r | |
1436 | while ((SiglistSize > 0) && (SiglistSize >= SigList->SignatureListSize)) {\r | |
1437 | if (CompareGuid (&SigList->SignatureType, SignatureType)) {\r | |
1438 | *Offset = DatabaseSize - SiglistSize;\r | |
1439 | return TRUE;\r | |
1440 | }\r | |
1441 | SiglistSize -= SigList->SignatureListSize;\r | |
1442 | SigList = (EFI_SIGNATURE_LIST *) ((UINT8 *) SigList + SigList->SignatureListSize);\r | |
1443 | }\r | |
1444 | *Offset = 0;\r | |
1445 | return FALSE;\r | |
1446 | }\r | |
1447 | \r | |
1448 | /**\r | |
1449 | Enroll a new X509 certificate hash into Signature Database (dbx) without\r | |
1450 | KEK's authentication.\r | |
1451 | \r | |
1452 | @param[in] PrivateData The module's private data.\r | |
1453 | @param[in] HashAlg The hash algorithm to enroll the certificate.\r | |
1454 | @param[in] RevocationDate The revocation date of the certificate.\r | |
1455 | @param[in] RevocationTime The revocation time of the certificate.\r | |
1456 | @param[in] AlwaysRevocation Indicate whether the certificate is always revoked.\r | |
1457 | \r | |
1458 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
1459 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1460 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1461 | \r | |
1462 | **/\r | |
1463 | EFI_STATUS\r | |
1464 | EnrollX509HashtoSigDB (\r | |
1465 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
1466 | IN UINT32 HashAlg,\r | |
1467 | IN EFI_HII_DATE *RevocationDate,\r | |
1468 | IN EFI_HII_TIME *RevocationTime,\r | |
1469 | IN BOOLEAN AlwaysRevocation\r | |
1470 | )\r | |
1471 | {\r | |
1472 | EFI_STATUS Status;\r | |
1473 | UINTN X509DataSize;\r | |
1474 | VOID *X509Data;\r | |
1475 | EFI_SIGNATURE_LIST *SignatureList;\r | |
1476 | UINTN SignatureListSize;\r | |
1477 | UINT8 *Data;\r | |
1478 | UINT8 *NewData;\r | |
1479 | UINTN DataSize;\r | |
1480 | UINTN DbSize;\r | |
1481 | UINT32 Attr;\r | |
1482 | EFI_SIGNATURE_DATA *SignatureData;\r | |
1483 | UINTN SignatureSize;\r | |
1484 | EFI_GUID SignatureType;\r | |
1485 | UINTN Offset;\r | |
1486 | UINT8 CertHash[MAX_DIGEST_SIZE];\r | |
1487 | UINT16* FilePostFix;\r | |
1488 | UINTN NameLength;\r | |
1489 | EFI_TIME *Time;\r | |
1490 | \r | |
1491 | X509DataSize = 0;\r | |
1492 | DbSize = 0;\r | |
1493 | X509Data = NULL;\r | |
1494 | SignatureData = NULL;\r | |
1495 | SignatureList = NULL;\r | |
1496 | Data = NULL;\r | |
1497 | NewData = NULL;\r | |
1498 | \r | |
1499 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
1500 | return EFI_INVALID_PARAMETER;\r | |
1501 | }\r | |
1502 | \r | |
1503 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
1504 | if (EFI_ERROR (Status)) {\r | |
1505 | return Status;\r | |
1506 | }\r | |
1507 | \r | |
1508 | //\r | |
1509 | // Parse the file's postfix.\r | |
1510 | //\r | |
1511 | NameLength = StrLen (Private->FileContext->FileName);\r | |
1512 | if (NameLength <= 4) {\r | |
1513 | return EFI_INVALID_PARAMETER;\r | |
1514 | }\r | |
1515 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
1516 | if (!IsDerEncodeCertificate(FilePostFix)) {\r | |
1517 | //\r | |
1518 | // Only supports DER-encoded X509 certificate.\r | |
1519 | //\r | |
1520 | return EFI_INVALID_PARAMETER;\r | |
1521 | }\r | |
1522 | \r | |
1523 | //\r | |
1524 | // Get the certificate from file and calculate its hash.\r | |
1525 | //\r | |
1526 | Status = ReadFileContent (\r | |
1527 | Private->FileContext->FHandle,\r | |
1528 | &X509Data,\r | |
1529 | &X509DataSize,\r | |
1530 | 0\r | |
1531 | );\r | |
1532 | if (EFI_ERROR (Status)) {\r | |
1533 | goto ON_EXIT;\r | |
1534 | }\r | |
1535 | ASSERT (X509Data != NULL);\r | |
1536 | \r | |
1537 | if (!CalculateCertHash (X509Data, X509DataSize, HashAlg, CertHash)) {\r | |
1538 | goto ON_EXIT;\r | |
1539 | }\r | |
1540 | \r | |
1541 | //\r | |
1542 | // Get the variable for enrollment.\r | |
1543 | //\r | |
1544 | DataSize = 0;\r | |
1545 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1546 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1547 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1548 | if (Data == NULL) {\r | |
1549 | return EFI_OUT_OF_RESOURCES;\r | |
1550 | }\r | |
1551 | \r | |
1552 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1553 | if (EFI_ERROR (Status)) {\r | |
1554 | goto ON_EXIT;\r | |
1555 | }\r | |
1556 | }\r | |
1557 | \r | |
1558 | //\r | |
1559 | // Allocate memory for Signature and fill the Signature\r | |
1560 | //\r | |
1561 | SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + sizeof (EFI_TIME) + mHash[HashAlg].DigestLength;\r | |
1562 | SignatureData = (EFI_SIGNATURE_DATA *) AllocateZeroPool (SignatureSize);\r | |
1563 | if (SignatureData == NULL) {\r | |
1564 | return EFI_OUT_OF_RESOURCES;\r | |
1565 | }\r | |
1566 | CopyGuid (&SignatureData->SignatureOwner, Private->SignatureGUID);\r | |
1567 | CopyMem (SignatureData->SignatureData, CertHash, mHash[HashAlg].DigestLength);\r | |
1568 | \r | |
1569 | //\r | |
1570 | // Fill the time.\r | |
1571 | //\r | |
1572 | if (!AlwaysRevocation) {\r | |
1573 | Time = (EFI_TIME *)(&SignatureData->SignatureData + mHash[HashAlg].DigestLength);\r | |
1574 | Time->Year = RevocationDate->Year;\r | |
1575 | Time->Month = RevocationDate->Month;\r | |
1576 | Time->Day = RevocationDate->Day;\r | |
1577 | Time->Hour = RevocationTime->Hour;\r | |
1578 | Time->Minute = RevocationTime->Minute;\r | |
1579 | Time->Second = RevocationTime->Second;\r | |
1580 | }\r | |
1581 | \r | |
1582 | //\r | |
1583 | // Determine the GUID for certificate hash.\r | |
1584 | //\r | |
1585 | switch (HashAlg) {\r | |
1586 | case HASHALG_SHA256:\r | |
1587 | SignatureType = gEfiCertX509Sha256Guid;\r | |
1588 | break;\r | |
1589 | case HASHALG_SHA384:\r | |
1590 | SignatureType = gEfiCertX509Sha384Guid;\r | |
1591 | break;\r | |
1592 | case HASHALG_SHA512:\r | |
1593 | SignatureType = gEfiCertX509Sha512Guid;\r | |
1594 | break;\r | |
1595 | default:\r | |
1596 | return FALSE;\r | |
1597 | }\r | |
1598 | \r | |
1599 | //\r | |
1600 | // Add signature into the new variable data buffer\r | |
1601 | //\r | |
1602 | if (GetSignaturelistOffset((EFI_SIGNATURE_LIST *)Data, DataSize, &SignatureType, &Offset)) {\r | |
1603 | //\r | |
1604 | // Add the signature to the found signaturelist.\r | |
1605 | //\r | |
1606 | DbSize = DataSize + SignatureSize;\r | |
1607 | NewData = AllocateZeroPool (DbSize);\r | |
1608 | if (NewData == NULL) {\r | |
1609 | Status = EFI_OUT_OF_RESOURCES;\r | |
1610 | goto ON_EXIT;\r | |
1611 | }\r | |
1612 | \r | |
1613 | SignatureList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
1614 | SignatureListSize = (UINTN) ReadUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize);\r | |
1615 | CopyMem (NewData, Data, Offset + SignatureListSize);\r | |
1616 | \r | |
1617 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + Offset);\r | |
1618 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32)(SignatureListSize + SignatureSize));\r | |
1619 | \r | |
1620 | Offset += SignatureListSize;\r | |
1621 | CopyMem (NewData + Offset, SignatureData, SignatureSize);\r | |
1622 | CopyMem (NewData + Offset + SignatureSize, Data + Offset, DataSize - Offset);\r | |
1623 | \r | |
1624 | FreePool (Data);\r | |
1625 | Data = NewData;\r | |
1626 | DataSize = DbSize;\r | |
1627 | } else {\r | |
1628 | //\r | |
1629 | // Create a new signaturelist, and add the signature into the signaturelist.\r | |
1630 | //\r | |
1631 | DbSize = DataSize + sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1632 | NewData = AllocateZeroPool (DbSize);\r | |
1633 | if (NewData == NULL) {\r | |
1634 | Status = EFI_OUT_OF_RESOURCES;\r | |
1635 | goto ON_EXIT;\r | |
1636 | }\r | |
1637 | //\r | |
1638 | // Fill Certificate Database parameters.\r | |
1639 | //\r | |
1640 | SignatureList = (EFI_SIGNATURE_LIST*) (NewData + DataSize);\r | |
1641 | SignatureListSize = sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1642 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32) SignatureListSize);\r | |
1643 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureSize, (UINT32) SignatureSize);\r | |
1644 | CopyGuid (&SignatureList->SignatureType, &SignatureType);\r | |
1645 | CopyMem ((UINT8* ) SignatureList + sizeof (EFI_SIGNATURE_LIST), SignatureData, SignatureSize);\r | |
1646 | if ((DataSize != 0) && (Data != NULL)) {\r | |
1647 | CopyMem (NewData, Data, DataSize);\r | |
1648 | FreePool (Data);\r | |
1649 | }\r | |
1650 | Data = NewData;\r | |
1651 | DataSize = DbSize;\r | |
1652 | }\r | |
1653 | \r | |
1654 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &Data);\r | |
1655 | if (EFI_ERROR (Status)) {\r | |
1656 | goto ON_EXIT;\r | |
1657 | }\r | |
1658 | \r | |
1659 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
1660 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
1661 | Status = gRT->SetVariable(\r | |
1662 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
1663 | &gEfiImageSecurityDatabaseGuid,\r | |
1664 | Attr,\r | |
1665 | DataSize,\r | |
1666 | Data\r | |
1667 | );\r | |
1668 | if (EFI_ERROR (Status)) {\r | |
1669 | goto ON_EXIT;\r | |
1670 | }\r | |
1671 | \r | |
1672 | ON_EXIT:\r | |
762d8ddb | 1673 | \r |
4de754e1 | 1674 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 1675 | \r |
1676 | if (Private->SignatureGUID != NULL) {\r | |
1677 | FreePool (Private->SignatureGUID);\r | |
1678 | Private->SignatureGUID = NULL;\r | |
1679 | }\r | |
1680 | \r | |
20333c6d QL |
1681 | if (Data != NULL) {\r |
1682 | FreePool (Data);\r | |
ecc722ad | 1683 | }\r |
1684 | \r | |
20333c6d QL |
1685 | if (SignatureData != NULL) {\r |
1686 | FreePool (SignatureData);\r | |
ecc722ad | 1687 | }\r |
1688 | \r | |
20333c6d QL |
1689 | if (X509Data != NULL) {\r |
1690 | FreePool (X509Data);\r | |
f71ed839 | 1691 | }\r |
1692 | \r | |
20333c6d | 1693 | return Status;\r |
ecc722ad | 1694 | }\r |
1695 | \r | |
1696 | /**\r | |
20333c6d | 1697 | Check whether a certificate from a file exists in dbx.\r |
ecc722ad | 1698 | \r |
1699 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
1700 | @param[in] VariableName Variable name of signature database, must be\r |
1701 | EFI_IMAGE_SECURITY_DATABASE1.\r | |
ecc722ad | 1702 | \r |
20333c6d QL |
1703 | @retval TRUE The X509 certificate is found in dbx successfully.\r |
1704 | @retval FALSE The X509 certificate is not found in dbx.\r | |
ecc722ad | 1705 | **/\r |
20333c6d QL |
1706 | BOOLEAN\r |
1707 | IsX509CertInDbx (\r | |
ecc722ad | 1708 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1709 | IN CHAR16 *VariableName\r | |
20333c6d | 1710 | )\r |
ecc722ad | 1711 | {\r |
20333c6d QL |
1712 | EFI_STATUS Status;\r |
1713 | UINTN X509DataSize;\r | |
1714 | VOID *X509Data;\r | |
1715 | BOOLEAN IsFound;\r | |
ecc722ad | 1716 | \r |
20333c6d QL |
1717 | //\r |
1718 | // Read the certificate from file\r | |
1719 | //\r | |
ecc722ad | 1720 | X509DataSize = 0;\r |
ecc722ad | 1721 | X509Data = NULL;\r |
ecc722ad | 1722 | Status = ReadFileContent (\r |
1723 | Private->FileContext->FHandle,\r | |
1724 | &X509Data,\r | |
1725 | &X509DataSize,\r | |
1726 | 0\r | |
1727 | );\r | |
1728 | if (EFI_ERROR (Status)) {\r | |
20333c6d | 1729 | return FALSE;\r |
ecc722ad | 1730 | }\r |
1731 | \r | |
1732 | //\r | |
20333c6d | 1733 | // Check the raw certificate.\r |
ecc722ad | 1734 | //\r |
20333c6d QL |
1735 | IsFound = FALSE;\r |
1736 | if (IsSignatureFoundInDatabase (EFI_IMAGE_SECURITY_DATABASE1, X509Data, X509DataSize)) {\r | |
1737 | IsFound = TRUE;\r | |
8c1babfd | 1738 | goto ON_EXIT;\r |
1739 | }\r | |
ecc722ad | 1740 | \r |
20333c6d QL |
1741 | //\r |
1742 | // Check the hash of certificate.\r | |
1743 | //\r | |
1744 | if (IsCertHashFoundInDbx (X509Data, X509DataSize)) {\r | |
1745 | IsFound = TRUE;\r | |
ecc722ad | 1746 | goto ON_EXIT;\r |
1747 | }\r | |
1748 | \r | |
1749 | ON_EXIT:\r | |
ecc722ad | 1750 | if (X509Data != NULL) {\r |
1751 | FreePool (X509Data);\r | |
1752 | }\r | |
1753 | \r | |
20333c6d | 1754 | return IsFound;\r |
ecc722ad | 1755 | }\r |
1756 | \r | |
5e9dfc67 LG |
1757 | /**\r |
1758 | Reads contents of a PE/COFF image in memory buffer.\r | |
1759 | \r | |
1760 | Caution: This function may receive untrusted input.\r | |
1761 | PE/COFF image is external input, so this function will make sure the PE/COFF image content\r | |
1762 | read is within the image buffer.\r | |
1763 | \r | |
1764 | @param FileHandle Pointer to the file handle to read the PE/COFF image.\r | |
1765 | @param FileOffset Offset into the PE/COFF image to begin the read operation.\r | |
1766 | @param ReadSize On input, the size in bytes of the requested read operation.\r | |
1767 | On output, the number of bytes actually read.\r | |
1768 | @param Buffer Output buffer that contains the data read from the PE/COFF image.\r | |
1769 | \r | |
1770 | @retval EFI_SUCCESS The specified portion of the PE/COFF image was read and the size\r | |
1771 | **/\r | |
1772 | EFI_STATUS\r | |
1773 | EFIAPI\r | |
1774 | SecureBootConfigImageRead (\r | |
1775 | IN VOID *FileHandle,\r | |
1776 | IN UINTN FileOffset,\r | |
1777 | IN OUT UINTN *ReadSize,\r | |
1778 | OUT VOID *Buffer\r | |
1779 | )\r | |
1780 | {\r | |
1781 | UINTN EndPosition;\r | |
1782 | \r | |
1783 | if (FileHandle == NULL || ReadSize == NULL || Buffer == NULL) {\r | |
1784 | return EFI_INVALID_PARAMETER;\r | |
1785 | }\r | |
1786 | \r | |
1787 | if (MAX_ADDRESS - FileOffset < *ReadSize) {\r | |
1788 | return EFI_INVALID_PARAMETER;\r | |
1789 | }\r | |
1790 | \r | |
1791 | EndPosition = FileOffset + *ReadSize;\r | |
1792 | if (EndPosition > mImageSize) {\r | |
1793 | *ReadSize = (UINT32)(mImageSize - FileOffset);\r | |
1794 | }\r | |
1795 | \r | |
1796 | if (FileOffset >= mImageSize) {\r | |
1797 | *ReadSize = 0;\r | |
1798 | }\r | |
1799 | \r | |
1800 | CopyMem (Buffer, (UINT8 *)((UINTN) FileHandle + FileOffset), *ReadSize);\r | |
1801 | \r | |
1802 | return EFI_SUCCESS;\r | |
1803 | }\r | |
1804 | \r | |
ecc722ad | 1805 | /**\r |
1806 | Load PE/COFF image information into internal buffer and check its validity.\r | |
1807 | \r | |
1808 | @retval EFI_SUCCESS Successful\r | |
1809 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
1810 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
1811 | \r | |
1812 | **/\r | |
1813 | EFI_STATUS\r | |
1814 | LoadPeImage (\r | |
20333c6d QL |
1815 | VOID\r |
1816 | )\r | |
ecc722ad | 1817 | {\r |
1818 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
1819 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
1820 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
5e9dfc67 LG |
1821 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r |
1822 | EFI_STATUS Status;\r | |
ecc722ad | 1823 | \r |
1824 | NtHeader32 = NULL;\r | |
1825 | NtHeader64 = NULL;\r | |
5e9dfc67 LG |
1826 | \r |
1827 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
1828 | ImageContext.Handle = (VOID *) mImageBase;\r | |
1829 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE) SecureBootConfigImageRead;\r | |
1830 | \r | |
1831 | //\r | |
1832 | // Get information about the image being loaded\r | |
1833 | //\r | |
1834 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r | |
1835 | if (EFI_ERROR (Status)) {\r | |
1836 | //\r | |
1837 | // The information can't be got from the invalid PeImage\r | |
1838 | //\r | |
1839 | DEBUG ((DEBUG_INFO, "SecureBootConfigDxe: PeImage invalid. \n"));\r | |
1840 | return Status;\r | |
1841 | }\r | |
1842 | \r | |
ecc722ad | 1843 | //\r |
1844 | // Read the Dos header\r | |
1845 | //\r | |
1846 | DosHdr = (EFI_IMAGE_DOS_HEADER*)(mImageBase);\r | |
1847 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE)\r | |
1848 | {\r | |
1849 | //\r | |
20333c6d | 1850 | // DOS image header is present,\r |
ecc722ad | 1851 | // So read the PE header after the DOS image header\r |
1852 | //\r | |
1853 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
1854 | }\r | |
1855 | else\r | |
1856 | {\r | |
1857 | mPeCoffHeaderOffset = 0;\r | |
1858 | }\r | |
1859 | \r | |
1860 | //\r | |
1861 | // Read PE header and check the signature validity and machine compatibility\r | |
1862 | //\r | |
1863 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32*) (mImageBase + mPeCoffHeaderOffset);\r | |
1864 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE)\r | |
1865 | {\r | |
1866 | return EFI_UNSUPPORTED;\r | |
1867 | }\r | |
1868 | \r | |
1869 | mNtHeader.Pe32 = NtHeader32;\r | |
1870 | \r | |
1871 | //\r | |
1872 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1873 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1874 | //\r | |
20333c6d | 1875 | if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32)\r |
a16170a1 AB |
1876 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)\r |
1877 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)) {\r | |
ecc722ad | 1878 | //\r |
a16170a1 | 1879 | // 32-bits Architecture\r |
ecc722ad | 1880 | //\r |
1881 | mImageType = ImageType_IA32;\r | |
1882 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1883 | }\r | |
1884 | else if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
a16170a1 AB |
1885 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)\r |
1886 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_AARCH64)) {\r | |
ecc722ad | 1887 | //\r |
1888 | // 64-bits Architecture\r | |
1889 | //\r | |
1890 | mImageType = ImageType_X64;\r | |
1891 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *) (mImageBase + mPeCoffHeaderOffset);\r | |
1892 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1893 | } else {\r | |
1894 | return EFI_UNSUPPORTED;\r | |
1895 | }\r | |
1896 | \r | |
1897 | return EFI_SUCCESS;\r | |
1898 | }\r | |
1899 | \r | |
1900 | /**\r | |
1901 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1902 | PE/COFF Specification 8.0 Appendix A\r | |
1903 | \r | |
b3548d32 | 1904 | Notes: PE/COFF image has been checked by BasePeCoffLib PeCoffLoaderGetImageInfo() in\r |
5e9dfc67 LG |
1905 | the function LoadPeImage ().\r |
1906 | \r | |
ecc722ad | 1907 | @param[in] HashAlg Hash algorithm type.\r |
20333c6d | 1908 | \r |
ecc722ad | 1909 | @retval TRUE Successfully hash image.\r |
1910 | @retval FALSE Fail in hash image.\r | |
1911 | \r | |
1912 | **/\r | |
20333c6d | 1913 | BOOLEAN\r |
ecc722ad | 1914 | HashPeImage (\r |
1915 | IN UINT32 HashAlg\r | |
1916 | )\r | |
1917 | {\r | |
1918 | BOOLEAN Status;\r | |
ecc722ad | 1919 | EFI_IMAGE_SECTION_HEADER *Section;\r |
1920 | VOID *HashCtx;\r | |
1921 | UINTN CtxSize;\r | |
1922 | UINT8 *HashBase;\r | |
1923 | UINTN HashSize;\r | |
1924 | UINTN SumOfBytesHashed;\r | |
1925 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1926 | UINTN Index;\r | |
1927 | UINTN Pos;\r | |
1928 | \r | |
1929 | HashCtx = NULL;\r | |
1930 | SectionHeader = NULL;\r | |
1931 | Status = FALSE;\r | |
1932 | \r | |
c035e373 | 1933 | if (HashAlg != HASHALG_SHA256) {\r |
ecc722ad | 1934 | return FALSE;\r |
1935 | }\r | |
20333c6d | 1936 | \r |
ecc722ad | 1937 | //\r |
1938 | // Initialize context of hash.\r | |
1939 | //\r | |
1940 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1941 | \r | |
c035e373 ZL |
1942 | mImageDigestSize = SHA256_DIGEST_SIZE;\r |
1943 | mCertType = gEfiCertSha256Guid;\r | |
ecc722ad | 1944 | \r |
1945 | CtxSize = mHash[HashAlg].GetContextSize();\r | |
20333c6d | 1946 | \r |
ecc722ad | 1947 | HashCtx = AllocatePool (CtxSize);\r |
1948 | ASSERT (HashCtx != NULL);\r | |
1949 | \r | |
1950 | // 1. Load the image header into memory.\r | |
1951 | \r | |
1952 | // 2. Initialize a SHA hash context.\r | |
1953 | Status = mHash[HashAlg].HashInit(HashCtx);\r | |
1954 | if (!Status) {\r | |
1955 | goto Done;\r | |
1956 | }\r | |
1957 | //\r | |
1958 | // Measuring PE/COFF Image Header;\r | |
1959 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1960 | //\r | |
20333c6d | 1961 | \r |
ecc722ad | 1962 | //\r |
1963 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1964 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1965 | //\r | |
1966 | HashBase = mImageBase;\r | |
f199664c | 1967 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1968 | //\r |
1969 | // Use PE32 offset.\r | |
1970 | //\r | |
4333b99d | 1971 | HashSize = (UINTN) (&mNtHeader.Pe32->OptionalHeader.CheckSum) - (UINTN) HashBase;\r |
ecc722ad | 1972 | } else {\r |
1973 | //\r | |
1974 | // Use PE32+ offset.\r | |
1975 | //\r | |
4333b99d | 1976 | HashSize = (UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - (UINTN) HashBase;\r |
ecc722ad | 1977 | }\r |
1978 | \r | |
1979 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1980 | if (!Status) {\r | |
1981 | goto Done;\r | |
1982 | }\r | |
1983 | //\r | |
1984 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1985 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1986 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1987 | //\r | |
f199664c | 1988 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1989 | //\r |
1990 | // Use PE32 offset.\r | |
1991 | //\r | |
1992 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r | |
4333b99d | 1993 | HashSize = (UINTN) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN) HashBase;\r |
ecc722ad | 1994 | } else {\r |
1995 | //\r | |
1996 | // Use PE32+ offset.\r | |
20333c6d | 1997 | //\r |
ecc722ad | 1998 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r |
4333b99d | 1999 | HashSize = (UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN) HashBase;\r |
ecc722ad | 2000 | }\r |
2001 | \r | |
2002 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
2003 | if (!Status) {\r | |
2004 | goto Done;\r | |
2005 | }\r | |
2006 | //\r | |
2007 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
2008 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
2009 | //\r | |
f199664c | 2010 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 2011 | //\r |
2012 | // Use PE32 offset\r | |
2013 | //\r | |
2014 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
4333b99d | 2015 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - ((UINTN) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN) mImageBase);\r |
ecc722ad | 2016 | } else {\r |
2017 | //\r | |
2018 | // Use PE32+ offset.\r | |
2019 | //\r | |
2020 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
4333b99d | 2021 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - ((UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN) mImageBase);\r |
ecc722ad | 2022 | }\r |
2023 | \r | |
2024 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
2025 | if (!Status) {\r | |
2026 | goto Done;\r | |
2027 | }\r | |
2028 | //\r | |
2029 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
2030 | //\r | |
f199664c | 2031 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 2032 | //\r |
2033 | // Use PE32 offset.\r | |
2034 | //\r | |
2035 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
2036 | } else {\r | |
2037 | //\r | |
2038 | // Use PE32+ offset\r | |
2039 | //\r | |
2040 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
2041 | }\r | |
2042 | \r | |
2043 | //\r | |
2044 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
2045 | // structures in the image. The 'NumberOfSections' field of the image\r | |
2046 | // header indicates how big the table should be. Do not include any\r | |
2047 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
2048 | //\r | |
2049 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *) AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r | |
2050 | ASSERT (SectionHeader != NULL);\r | |
2051 | //\r | |
2052 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
2053 | // a key, arrange the elements in the table in ascending order. In other\r | |
2054 | // words, sort the section headers according to the disk-file offset of\r | |
2055 | // the section.\r | |
2056 | //\r | |
2057 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
2058 | mImageBase +\r | |
2059 | mPeCoffHeaderOffset +\r | |
2060 | sizeof (UINT32) +\r | |
2061 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
2062 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
2063 | );\r | |
2064 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
2065 | Pos = Index;\r | |
2066 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
2067 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
2068 | Pos--;\r | |
2069 | }\r | |
2070 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
2071 | Section += 1;\r | |
2072 | }\r | |
2073 | \r | |
2074 | //\r | |
2075 | // 13. Walk through the sorted table, bring the corresponding section\r | |
2076 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
2077 | // field in the section header to determine the amount of data to hash).\r | |
2078 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
2079 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
2080 | //\r | |
2081 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
2082 | Section = &SectionHeader[Index];\r | |
2083 | if (Section->SizeOfRawData == 0) {\r | |
2084 | continue;\r | |
2085 | }\r | |
2086 | HashBase = mImageBase + Section->PointerToRawData;\r | |
2087 | HashSize = (UINTN) Section->SizeOfRawData;\r | |
2088 | \r | |
2089 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
2090 | if (!Status) {\r | |
2091 | goto Done;\r | |
2092 | }\r | |
2093 | \r | |
2094 | SumOfBytesHashed += HashSize;\r | |
2095 | }\r | |
2096 | \r | |
2097 | //\r | |
2098 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
2099 | // data in the file that needs to be added to the hash. This data begins\r | |
2100 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
2101 | // FileSize - (CertDirectory->Size)\r | |
2102 | //\r | |
2103 | if (mImageSize > SumOfBytesHashed) {\r | |
2104 | HashBase = mImageBase + SumOfBytesHashed;\r | |
f199664c | 2105 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 2106 | //\r |
2107 | // Use PE32 offset.\r | |
2108 | //\r | |
2109 | HashSize = (UINTN)(\r | |
2110 | mImageSize -\r | |
2111 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
2112 | SumOfBytesHashed);\r | |
2113 | } else {\r | |
2114 | //\r | |
2115 | // Use PE32+ offset.\r | |
2116 | //\r | |
2117 | HashSize = (UINTN)(\r | |
2118 | mImageSize -\r | |
2119 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
20333c6d | 2120 | SumOfBytesHashed);\r |
ecc722ad | 2121 | }\r |
2122 | \r | |
2123 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
2124 | if (!Status) {\r | |
2125 | goto Done;\r | |
2126 | }\r | |
2127 | }\r | |
2128 | \r | |
2129 | Status = mHash[HashAlg].HashFinal(HashCtx, mImageDigest);\r | |
2130 | \r | |
2131 | Done:\r | |
2132 | if (HashCtx != NULL) {\r | |
2133 | FreePool (HashCtx);\r | |
2134 | }\r | |
2135 | if (SectionHeader != NULL) {\r | |
2136 | FreePool (SectionHeader);\r | |
2137 | }\r | |
2138 | return Status;\r | |
2139 | }\r | |
2140 | \r | |
2141 | /**\r | |
69f8bb52 | 2142 | Recognize the Hash algorithm in PE/COFF Authenticode and calculate hash of\r |
20333c6d | 2143 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification\r |
ecc722ad | 2144 | 8.0 Appendix A\r |
2145 | \r | |
2146 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
2147 | @retval EFI_SUCCESS Hash successfully.\r | |
2148 | \r | |
2149 | **/\r | |
20333c6d | 2150 | EFI_STATUS\r |
ecc722ad | 2151 | HashPeImageByType (\r |
2152 | VOID\r | |
2153 | )\r | |
2154 | {\r | |
2155 | UINT8 Index;\r | |
2156 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
2157 | \r | |
2158 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *) (mImageBase + mSecDataDir->Offset);\r | |
2159 | \r | |
20333c6d | 2160 | for (Index = 0; Index < HASHALG_MAX; Index++) {\r |
ecc722ad | 2161 | //\r |
2162 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
20333c6d | 2163 | // According to PKCS#7 Definition:\r |
ecc722ad | 2164 | // SignedData ::= SEQUENCE {\r |
2165 | // version Version,\r | |
2166 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
2167 | // contentInfo ContentInfo,\r | |
2168 | // .... }\r | |
2169 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
2170 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
2171 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
2172 | //\r | |
2173 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r | |
2174 | //\r | |
2175 | // Only support two bytes of Long Form of Length Encoding.\r | |
2176 | //\r | |
2177 | continue;\r | |
2178 | }\r | |
2179 | \r | |
20333c6d | 2180 | //\r |
ecc722ad | 2181 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r |
2182 | break;\r | |
2183 | }\r | |
2184 | }\r | |
2185 | \r | |
2186 | if (Index == HASHALG_MAX) {\r | |
2187 | return EFI_UNSUPPORTED;\r | |
2188 | }\r | |
2189 | \r | |
2190 | //\r | |
2191 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
2192 | //\r | |
2193 | if (!HashPeImage(Index)) {\r | |
2194 | return EFI_UNSUPPORTED;\r | |
2195 | }\r | |
2196 | \r | |
2197 | return EFI_SUCCESS;\r | |
2198 | }\r | |
2199 | \r | |
4de754e1 | 2200 | /**\r |
d6b926e7 | 2201 | Enroll a new signature of executable into Signature Database.\r |
4de754e1 ZC |
2202 | \r |
2203 | @param[in] PrivateData The module's private data.\r | |
2204 | @param[in] VariableName Variable name of signature database, must be\r | |
2205 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2206 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
2207 | \r | |
2208 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2209 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2210 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2211 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2212 | \r | |
2213 | **/\r | |
2214 | EFI_STATUS\r | |
2215 | EnrollAuthentication2Descriptor (\r | |
2216 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2217 | IN CHAR16 *VariableName\r | |
2218 | )\r | |
2219 | {\r | |
2220 | EFI_STATUS Status;\r | |
2221 | VOID *Data;\r | |
2222 | UINTN DataSize;\r | |
2223 | UINT32 Attr;\r | |
2224 | \r | |
2225 | Data = NULL;\r | |
2226 | \r | |
2227 | //\r | |
2228 | // DBT only support DER-X509 Cert Enrollment\r | |
2229 | //\r | |
2230 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r | |
2231 | return EFI_UNSUPPORTED;\r | |
2232 | }\r | |
2233 | \r | |
2234 | //\r | |
2235 | // Read the whole file content\r | |
2236 | //\r | |
2237 | Status = ReadFileContent(\r | |
2238 | Private->FileContext->FHandle,\r | |
2239 | (VOID **) &mImageBase,\r | |
2240 | &mImageSize,\r | |
2241 | 0\r | |
2242 | );\r | |
2243 | if (EFI_ERROR (Status)) {\r | |
2244 | goto ON_EXIT;\r | |
2245 | }\r | |
2246 | ASSERT (mImageBase != NULL);\r | |
2247 | \r | |
2248 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
2249 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
2250 | \r | |
2251 | //\r | |
2252 | // Check if SigDB variable has been already existed.\r | |
2253 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
2254 | // new signature data to original variable\r | |
2255 | //\r | |
2256 | DataSize = 0;\r | |
2257 | Status = gRT->GetVariable(\r | |
2258 | VariableName,\r | |
2259 | &gEfiImageSecurityDatabaseGuid,\r | |
2260 | NULL,\r | |
2261 | &DataSize,\r | |
2262 | NULL\r | |
2263 | );\r | |
2264 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2265 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2266 | } else if (Status != EFI_NOT_FOUND) {\r | |
2267 | goto ON_EXIT;\r | |
2268 | }\r | |
2269 | \r | |
2270 | //\r | |
d6b926e7 | 2271 | // Directly set AUTHENTICATION_2 data to SetVariable\r |
4de754e1 ZC |
2272 | //\r |
2273 | Status = gRT->SetVariable(\r | |
2274 | VariableName,\r | |
2275 | &gEfiImageSecurityDatabaseGuid,\r | |
2276 | Attr,\r | |
2277 | mImageSize,\r | |
2278 | mImageBase\r | |
2279 | );\r | |
2280 | \r | |
2281 | DEBUG((DEBUG_INFO, "Enroll AUTH_2 data to Var:%s Status: %x\n", VariableName, Status));\r | |
2282 | \r | |
2283 | ON_EXIT:\r | |
2284 | \r | |
2285 | CloseEnrolledFile(Private->FileContext);\r | |
2286 | \r | |
2287 | if (Data != NULL) {\r | |
2288 | FreePool (Data);\r | |
2289 | }\r | |
2290 | \r | |
2291 | if (mImageBase != NULL) {\r | |
2292 | FreePool (mImageBase);\r | |
2293 | mImageBase = NULL;\r | |
2294 | }\r | |
2295 | \r | |
2296 | return Status;\r | |
2297 | \r | |
2298 | }\r | |
2299 | \r | |
2300 | \r | |
ecc722ad | 2301 | /**\r |
d6b926e7 | 2302 | Enroll a new signature of executable into Signature Database.\r |
ecc722ad | 2303 | \r |
2304 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
2305 | @param[in] VariableName Variable name of signature database, must be\r |
2306 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2307 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
ecc722ad | 2308 | \r |
2309 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2310 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2311 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2312 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2313 | \r | |
2314 | **/\r | |
2315 | EFI_STATUS\r | |
2316 | EnrollImageSignatureToSigDB (\r | |
2317 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2318 | IN CHAR16 *VariableName\r | |
2319 | )\r | |
2320 | {\r | |
2321 | EFI_STATUS Status;\r | |
2322 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
2323 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
2324 | VOID *Data;\r | |
2325 | UINTN DataSize;\r | |
2326 | UINTN SigDBSize;\r | |
2327 | UINT32 Attr;\r | |
2328 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
2329 | \r | |
2330 | Data = NULL;\r | |
2331 | GuidCertData = NULL;\r | |
ecc722ad | 2332 | \r |
20333c6d QL |
2333 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r |
2334 | return EFI_UNSUPPORTED;\r | |
2335 | }\r | |
2336 | \r | |
ecc722ad | 2337 | //\r |
2338 | // Form the SigDB certificate list.\r | |
2339 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
2340 | //\r | |
d6b926e7 | 2341 | // We need to parse signature data of executable from specified signed executable file.\r |
ecc722ad | 2342 | // In current implementation, we simply trust the pass-in signed executable file.\r |
2343 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
2344 | //\r | |
2345 | \r | |
2346 | //\r | |
2347 | // Read the whole file content\r | |
2348 | //\r | |
2349 | Status = ReadFileContent(\r | |
2350 | Private->FileContext->FHandle,\r | |
20333c6d QL |
2351 | (VOID **) &mImageBase,\r |
2352 | &mImageSize,\r | |
ecc722ad | 2353 | 0\r |
2354 | );\r | |
2355 | if (EFI_ERROR (Status)) {\r | |
2356 | goto ON_EXIT;\r | |
20333c6d | 2357 | }\r |
ba57d4fd | 2358 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 2359 | \r |
2360 | Status = LoadPeImage ();\r | |
2361 | if (EFI_ERROR (Status)) {\r | |
2362 | goto ON_EXIT;\r | |
2363 | }\r | |
2364 | \r | |
2365 | if (mSecDataDir->SizeOfCert == 0) {\r | |
2366 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2367 | Status = EFI_SECURITY_VIOLATION;\r | |
2368 | goto ON_EXIT;\r | |
2369 | }\r | |
2370 | } else {\r | |
20333c6d | 2371 | \r |
ecc722ad | 2372 | //\r |
2373 | // Read the certificate data\r | |
2374 | //\r | |
2375 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
2376 | \r | |
2377 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
2378 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID*) mCertificate;\r | |
2379 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof(EFI_GUID)) != 0) {\r | |
2380 | Status = EFI_ABORTED;\r | |
2381 | goto ON_EXIT;\r | |
2382 | }\r | |
2383 | \r | |
2384 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2385 | Status = EFI_ABORTED;\r | |
2386 | goto ON_EXIT;;\r | |
2387 | }\r | |
20333c6d | 2388 | \r |
ecc722ad | 2389 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r |
2390 | \r | |
2391 | Status = HashPeImageByType ();\r | |
2392 | if (EFI_ERROR (Status)) {\r | |
2393 | goto ON_EXIT;;\r | |
2394 | }\r | |
2395 | } else {\r | |
2396 | Status = EFI_ABORTED;\r | |
2397 | goto ON_EXIT;\r | |
2398 | }\r | |
2399 | }\r | |
2400 | \r | |
2401 | //\r | |
2402 | // Create a new SigDB entry.\r | |
2403 | //\r | |
20333c6d | 2404 | SigDBSize = sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 2405 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
2406 | + (UINT32) mImageDigestSize;\r | |
2407 | \r | |
2408 | Data = (UINT8*) AllocateZeroPool (SigDBSize);\r | |
2409 | if (Data == NULL) {\r | |
2410 | Status = EFI_OUT_OF_RESOURCES;\r | |
2411 | goto ON_EXIT;\r | |
2412 | }\r | |
20333c6d | 2413 | \r |
ecc722ad | 2414 | //\r |
2415 | // Adjust the Certificate Database parameters.\r | |
20333c6d | 2416 | //\r |
ecc722ad | 2417 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r |
2418 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
2419 | SigDBCert->SignatureHeaderSize = 0;\r | |
2420 | SigDBCert->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + (UINT32) mImageDigestSize;\r | |
2421 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r | |
2422 | \r | |
2423 | SigDBCertData = (EFI_SIGNATURE_DATA*)((UINT8*)SigDBCert + sizeof(EFI_SIGNATURE_LIST));\r | |
2424 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
2425 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
2426 | \r | |
20333c6d | 2427 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r |
8c1babfd | 2428 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
2429 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
2430 | if (EFI_ERROR (Status)) {\r | |
2431 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2432 | goto ON_EXIT;\r | |
2433 | }\r | |
20333c6d | 2434 | \r |
ecc722ad | 2435 | //\r |
20333c6d QL |
2436 | // Check if SigDB variable has been already existed.\r |
2437 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 2438 | // new signature data to original variable\r |
20333c6d | 2439 | //\r |
ecc722ad | 2440 | DataSize = 0;\r |
2441 | Status = gRT->GetVariable(\r | |
20333c6d QL |
2442 | VariableName,\r |
2443 | &gEfiImageSecurityDatabaseGuid,\r | |
2444 | NULL,\r | |
2445 | &DataSize,\r | |
ecc722ad | 2446 | NULL\r |
2447 | );\r | |
2448 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2449 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2450 | } else if (Status != EFI_NOT_FOUND) {\r | |
2451 | goto ON_EXIT;\r | |
20333c6d | 2452 | }\r |
ecc722ad | 2453 | \r |
2454 | //\r | |
2455 | // Enroll the variable.\r | |
2456 | //\r | |
2457 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2458 | VariableName,\r |
2459 | &gEfiImageSecurityDatabaseGuid,\r | |
2460 | Attr,\r | |
2461 | SigDBSize,\r | |
ecc722ad | 2462 | Data\r |
2463 | );\r | |
2464 | if (EFI_ERROR (Status)) {\r | |
2465 | goto ON_EXIT;\r | |
2466 | }\r | |
2467 | \r | |
2468 | ON_EXIT:\r | |
2469 | \r | |
4de754e1 | 2470 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 2471 | \r |
2472 | if (Private->SignatureGUID != NULL) {\r | |
2473 | FreePool (Private->SignatureGUID);\r | |
2474 | Private->SignatureGUID = NULL;\r | |
2475 | }\r | |
2476 | \r | |
2477 | if (Data != NULL) {\r | |
2478 | FreePool (Data);\r | |
2479 | }\r | |
2480 | \r | |
2481 | if (mImageBase != NULL) {\r | |
2482 | FreePool (mImageBase);\r | |
2483 | mImageBase = NULL;\r | |
2484 | }\r | |
2485 | \r | |
2486 | return Status;\r | |
2487 | }\r | |
2488 | \r | |
2489 | /**\r | |
20333c6d | 2490 | Enroll signature into DB/DBX/DBT without KEK's authentication.\r |
ecc722ad | 2491 | The SignatureOwner GUID will be Private->SignatureGUID.\r |
20333c6d | 2492 | \r |
ecc722ad | 2493 | @param[in] PrivateData The module's private data.\r |
20333c6d | 2494 | @param[in] VariableName Variable name of signature database, must be\r |
ecc722ad | 2495 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r |
20333c6d | 2496 | \r |
ecc722ad | 2497 | @retval EFI_SUCCESS New signature enrolled successfully.\r |
2498 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2499 | @retval others Fail to enroll signature data.\r | |
20333c6d | 2500 | \r |
ecc722ad | 2501 | **/\r |
2502 | EFI_STATUS\r | |
2503 | EnrollSignatureDatabase (\r | |
2504 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2505 | IN CHAR16 *VariableName\r | |
20333c6d | 2506 | )\r |
ecc722ad | 2507 | {\r |
2508 | UINT16* FilePostFix;\r | |
f71ed839 | 2509 | EFI_STATUS Status;\r |
fd64f84f | 2510 | UINTN NameLength;\r |
ecc722ad | 2511 | \r |
2512 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
2513 | return EFI_INVALID_PARAMETER;\r | |
2514 | }\r | |
2515 | \r | |
20333c6d | 2516 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 2517 | if (EFI_ERROR (Status)) {\r |
2518 | return Status;\r | |
2519 | }\r | |
20333c6d | 2520 | \r |
ecc722ad | 2521 | //\r |
20333c6d | 2522 | // Parse the file's postfix.\r |
ecc722ad | 2523 | //\r |
fd64f84f GCPL |
2524 | NameLength = StrLen (Private->FileContext->FileName);\r |
2525 | if (NameLength <= 4) {\r | |
2526 | return EFI_INVALID_PARAMETER;\r | |
2527 | }\r | |
2528 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
20333c6d | 2529 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
ecc722ad | 2530 | //\r |
e4d7370d | 2531 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 2532 | //\r |
2533 | return EnrollX509toSigDB (Private, VariableName);\r | |
4de754e1 ZC |
2534 | } else if (IsAuthentication2Format(Private->FileContext->FHandle)){\r |
2535 | return EnrollAuthentication2Descriptor(Private, VariableName);\r | |
2536 | } else {\r | |
2537 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
ecc722ad | 2538 | }\r |
ecc722ad | 2539 | }\r |
2540 | \r | |
2541 | /**\r | |
20333c6d | 2542 | List all signatures in specified signature database (e.g. KEK/DB/DBX/DBT)\r |
ecc722ad | 2543 | by GUID in the page for user to select and delete as needed.\r |
2544 | \r | |
2545 | @param[in] PrivateData Module's private data.\r | |
2546 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2547 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2548 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2549 | @param[in] FormId Form ID of current page.\r | |
2550 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2551 | \r | |
2552 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2553 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
20333c6d | 2554 | \r |
ecc722ad | 2555 | **/\r |
2556 | EFI_STATUS\r | |
2557 | UpdateDeletePage (\r | |
2558 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2559 | IN CHAR16 *VariableName,\r | |
2560 | IN EFI_GUID *VendorGuid,\r | |
2561 | IN UINT16 LabelNumber,\r | |
2562 | IN EFI_FORM_ID FormId,\r | |
2563 | IN EFI_QUESTION_ID QuestionIdBase\r | |
2564 | )\r | |
2565 | {\r | |
2566 | EFI_STATUS Status;\r | |
2567 | UINT32 Index;\r | |
2568 | UINTN CertCount;\r | |
2569 | UINTN GuidIndex;\r | |
2570 | VOID *StartOpCodeHandle;\r | |
2571 | VOID *EndOpCodeHandle;\r | |
2572 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
20333c6d | 2573 | EFI_IFR_GUID_LABEL *EndLabel;\r |
ecc722ad | 2574 | UINTN DataSize;\r |
2575 | UINT8 *Data;\r | |
2576 | EFI_SIGNATURE_LIST *CertList;\r | |
2577 | EFI_SIGNATURE_DATA *Cert;\r | |
2578 | UINT32 ItemDataSize;\r | |
2579 | CHAR16 *GuidStr;\r | |
2580 | EFI_STRING_ID GuidID;\r | |
2581 | EFI_STRING_ID Help;\r | |
2582 | \r | |
2583 | Data = NULL;\r | |
2584 | CertList = NULL;\r | |
2585 | Cert = NULL;\r | |
2586 | GuidStr = NULL;\r | |
2587 | StartOpCodeHandle = NULL;\r | |
2588 | EndOpCodeHandle = NULL;\r | |
20333c6d | 2589 | \r |
ecc722ad | 2590 | //\r |
2591 | // Initialize the container for dynamic opcodes.\r | |
2592 | //\r | |
2593 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2594 | if (StartOpCodeHandle == NULL) {\r | |
2595 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2596 | goto ON_EXIT;\r |
ecc722ad | 2597 | }\r |
2598 | \r | |
2599 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2600 | if (EndOpCodeHandle == NULL) {\r | |
2601 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2602 | goto ON_EXIT;\r |
ecc722ad | 2603 | }\r |
2604 | \r | |
2605 | //\r | |
2606 | // Create Hii Extend Label OpCode.\r | |
2607 | //\r | |
2608 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2609 | StartOpCodeHandle,\r | |
2610 | &gEfiIfrTianoGuid,\r | |
2611 | NULL,\r | |
2612 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2613 | );\r | |
2614 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2615 | StartLabel->Number = LabelNumber;\r | |
2616 | \r | |
2617 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2618 | EndOpCodeHandle,\r | |
2619 | &gEfiIfrTianoGuid,\r | |
2620 | NULL,\r | |
2621 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2622 | );\r | |
2623 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2624 | EndLabel->Number = LABEL_END;\r | |
2625 | \r | |
2626 | //\r | |
2627 | // Read Variable.\r | |
2628 | //\r | |
2629 | DataSize = 0;\r | |
20333c6d | 2630 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r |
ecc722ad | 2631 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r |
2632 | goto ON_EXIT;\r | |
2633 | }\r | |
2634 | \r | |
2635 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2636 | if (Data == NULL) {\r | |
2637 | Status = EFI_OUT_OF_RESOURCES;\r | |
2638 | goto ON_EXIT;\r | |
2639 | }\r | |
2640 | \r | |
2641 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
2642 | if (EFI_ERROR (Status)) {\r | |
2643 | goto ON_EXIT;\r | |
2644 | }\r | |
2645 | \r | |
2646 | GuidStr = AllocateZeroPool (100);\r | |
2647 | if (GuidStr == NULL) {\r | |
2648 | Status = EFI_OUT_OF_RESOURCES;\r | |
2649 | goto ON_EXIT;\r | |
2650 | }\r | |
2651 | \r | |
2652 | //\r | |
2653 | // Enumerate all KEK pub data.\r | |
2654 | //\r | |
2655 | ItemDataSize = (UINT32) DataSize;\r | |
2656 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2657 | GuidIndex = 0;\r | |
2658 | \r | |
2659 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2660 | \r | |
2661 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
2662 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
2663 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2664 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
2665 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
2666 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
2667 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
2668 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
20333c6d QL |
2669 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid)) {\r |
2670 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA256_GUID);\r | |
2671 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
2672 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA384_GUID);\r | |
2673 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
2674 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA512_GUID);\r | |
ecc722ad | 2675 | } else {\r |
2676 | //\r | |
2677 | // The signature type is not supported in current implementation.\r | |
2678 | //\r | |
b7d269ea | 2679 | ItemDataSize -= CertList->SignatureListSize;\r |
2680 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
ecc722ad | 2681 | continue;\r |
2682 | }\r | |
2683 | \r | |
2684 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2685 | for (Index = 0; Index < CertCount; Index++) {\r | |
20333c6d QL |
2686 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList\r |
2687 | + sizeof (EFI_SIGNATURE_LIST)\r | |
2688 | + CertList->SignatureHeaderSize\r | |
ecc722ad | 2689 | + Index * CertList->SignatureSize);\r |
2690 | //\r | |
20333c6d | 2691 | // Display GUID and help\r |
ecc722ad | 2692 | //\r |
2693 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
2694 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r | |
2695 | HiiCreateCheckBoxOpCode (\r | |
2696 | StartOpCodeHandle,\r | |
2697 | (EFI_QUESTION_ID) (QuestionIdBase + GuidIndex++),\r | |
20333c6d QL |
2698 | 0,\r |
2699 | 0,\r | |
2700 | GuidID,\r | |
ecc722ad | 2701 | Help,\r |
2702 | EFI_IFR_FLAG_CALLBACK,\r | |
2703 | 0,\r | |
2704 | NULL\r | |
20333c6d | 2705 | );\r |
ecc722ad | 2706 | }\r |
2707 | \r | |
2708 | ItemDataSize -= CertList->SignatureListSize;\r | |
2709 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2710 | }\r | |
2711 | \r | |
2712 | ON_EXIT:\r | |
2713 | HiiUpdateForm (\r | |
2714 | PrivateData->HiiHandle,\r | |
2715 | &gSecureBootConfigFormSetGuid,\r | |
2716 | FormId,\r | |
2717 | StartOpCodeHandle,\r | |
2718 | EndOpCodeHandle\r | |
2719 | );\r | |
2720 | \r | |
2721 | if (StartOpCodeHandle != NULL) {\r | |
2722 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2723 | }\r | |
2724 | \r | |
2725 | if (EndOpCodeHandle != NULL) {\r | |
2726 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2727 | }\r | |
20333c6d | 2728 | \r |
ecc722ad | 2729 | if (Data != NULL) {\r |
2730 | FreePool (Data);\r | |
2731 | }\r | |
2732 | \r | |
2733 | if (GuidStr != NULL) {\r | |
2734 | FreePool (GuidStr);\r | |
2735 | }\r | |
2736 | \r | |
2737 | return EFI_SUCCESS;\r | |
2738 | }\r | |
2739 | \r | |
beda2356 | 2740 | /**\r |
20333c6d | 2741 | Delete a KEK entry from KEK database.\r |
beda2356 | 2742 | \r |
ecc722ad | 2743 | @param[in] PrivateData Module's private data.\r |
2744 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 2745 | \r |
ecc722ad | 2746 | @retval EFI_SUCCESS Delete kek item successfully.\r |
2747 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 2748 | \r |
ecc722ad | 2749 | **/\r |
2750 | EFI_STATUS\r | |
2751 | DeleteKeyExchangeKey (\r | |
2752 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2753 | IN EFI_QUESTION_ID QuestionId\r | |
2754 | )\r | |
2755 | {\r | |
2756 | EFI_STATUS Status;\r | |
2757 | UINTN DataSize;\r | |
2758 | UINT8 *Data;\r | |
2759 | UINT8 *OldData;\r | |
2760 | UINT32 Attr;\r | |
2761 | UINT32 Index;\r | |
2762 | EFI_SIGNATURE_LIST *CertList;\r | |
2763 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2764 | EFI_SIGNATURE_DATA *Cert;\r | |
2765 | UINTN CertCount;\r | |
2766 | UINT32 Offset;\r | |
2767 | BOOLEAN IsKEKItemFound;\r | |
2768 | UINT32 KekDataSize;\r | |
2769 | UINTN DeleteKekIndex;\r | |
2770 | UINTN GuidIndex;\r | |
2771 | \r | |
2772 | Data = NULL;\r | |
2773 | OldData = NULL;\r | |
2774 | CertList = NULL;\r | |
2775 | Cert = NULL;\r | |
20333c6d | 2776 | Attr = 0;\r |
ecc722ad | 2777 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r |
f71ed839 | 2778 | \r |
2779 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
2780 | if (EFI_ERROR (Status)) {\r | |
2781 | return Status;\r | |
2782 | }\r | |
20333c6d | 2783 | \r |
ecc722ad | 2784 | //\r |
2785 | // Get original KEK variable.\r | |
20333c6d QL |
2786 | //\r |
2787 | DataSize = 0;\r | |
ecc722ad | 2788 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r |
2789 | if (EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2790 | goto ON_EXIT;\r | |
2791 | }\r | |
2792 | \r | |
2793 | OldData = (UINT8*)AllocateZeroPool(DataSize);\r | |
2794 | if (OldData == NULL) {\r | |
20333c6d | 2795 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2796 | goto ON_EXIT;\r |
2797 | }\r | |
2798 | \r | |
2799 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
2800 | if (EFI_ERROR(Status)) {\r | |
2801 | goto ON_EXIT;\r | |
2802 | }\r | |
2803 | \r | |
2804 | //\r | |
20333c6d | 2805 | // Allocate space for new variable.\r |
ecc722ad | 2806 | //\r |
2807 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2808 | if (Data == NULL) {\r | |
2809 | Status = EFI_OUT_OF_RESOURCES;\r | |
2810 | goto ON_EXIT;\r | |
2811 | }\r | |
2812 | \r | |
2813 | //\r | |
2814 | // Enumerate all KEK pub data and erasing the target item.\r | |
2815 | //\r | |
2816 | IsKEKItemFound = FALSE;\r | |
2817 | KekDataSize = (UINT32) DataSize;\r | |
2818 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2819 | Offset = 0;\r | |
2820 | GuidIndex = 0;\r | |
2821 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2822 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2823 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2824 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2825 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
2826 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2827 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2828 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2829 | for (Index = 0; Index < CertCount; Index++) {\r | |
2830 | if (GuidIndex == DeleteKekIndex ) {\r | |
2831 | //\r | |
2832 | // Find it! Skip it!\r | |
2833 | //\r | |
2834 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2835 | IsKEKItemFound = TRUE;\r |
ecc722ad | 2836 | } else {\r |
2837 | //\r | |
2838 | // This item doesn't match. Copy it to the Data buffer.\r | |
2839 | //\r | |
2840 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
2841 | Offset += CertList->SignatureSize;\r | |
2842 | }\r | |
2843 | GuidIndex++;\r | |
2844 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8*) Cert + CertList->SignatureSize);\r | |
2845 | }\r | |
2846 | } else {\r | |
2847 | //\r | |
2848 | // This List doesn't match. Copy it to the Data buffer.\r | |
2849 | //\r | |
2850 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
2851 | Offset += CertList->SignatureListSize;\r | |
2852 | }\r | |
20333c6d | 2853 | \r |
ecc722ad | 2854 | KekDataSize -= CertList->SignatureListSize;\r |
2855 | CertList = (EFI_SIGNATURE_LIST*) ((UINT8*) CertList + CertList->SignatureListSize);\r | |
2856 | }\r | |
2857 | \r | |
2858 | if (!IsKEKItemFound) {\r | |
2859 | //\r | |
2860 | // Doesn't find the Kek Item!\r | |
2861 | //\r | |
2862 | Status = EFI_NOT_FOUND;\r | |
2863 | goto ON_EXIT;\r | |
2864 | }\r | |
2865 | \r | |
2866 | //\r | |
2867 | // Delete the Signature header if there is no signature in the list.\r | |
2868 | //\r | |
2869 | KekDataSize = Offset;\r | |
2870 | CertList = (EFI_SIGNATURE_LIST*) Data;\r | |
2871 | Offset = 0;\r | |
2872 | ZeroMem (OldData, KekDataSize);\r | |
2873 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2874 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2875 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2876 | if (CertCount != 0) {\r |
2877 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
2878 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2879 | }\r |
ecc722ad | 2880 | KekDataSize -= CertList->SignatureListSize;\r |
2881 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2882 | }\r | |
2883 | \r | |
ecc722ad | 2884 | DataSize = Offset;\r |
8c1babfd | 2885 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2886 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2887 | if (EFI_ERROR (Status)) {\r | |
2888 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2889 | goto ON_EXIT;\r | |
2890 | }\r | |
2891 | }\r | |
ecc722ad | 2892 | \r |
2893 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2894 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2895 | &gEfiGlobalVariableGuid,\r | |
2896 | Attr,\r | |
2897 | DataSize,\r | |
ecc722ad | 2898 | OldData\r |
2899 | );\r | |
2900 | if (EFI_ERROR (Status)) {\r | |
2901 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
2902 | goto ON_EXIT;\r | |
2903 | }\r | |
20333c6d | 2904 | \r |
ecc722ad | 2905 | ON_EXIT:\r |
2906 | if (Data != NULL) {\r | |
2907 | FreePool(Data);\r | |
2908 | }\r | |
2909 | \r | |
2910 | if (OldData != NULL) {\r | |
2911 | FreePool(OldData);\r | |
2912 | }\r | |
2913 | \r | |
2914 | return UpdateDeletePage (\r | |
20333c6d | 2915 | PrivateData,\r |
ecc722ad | 2916 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2917 | &gEfiGlobalVariableGuid,\r | |
2918 | LABEL_KEK_DELETE,\r | |
2919 | FORMID_DELETE_KEK_FORM,\r | |
2920 | OPTION_DEL_KEK_QUESTION_ID\r | |
2921 | );\r | |
2922 | }\r | |
2923 | \r | |
2924 | /**\r | |
85974aef | 2925 | Delete a signature entry from signature database.\r |
beda2356 | 2926 | \r |
ecc722ad | 2927 | @param[in] PrivateData Module's private data.\r |
2928 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2929 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2930 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2931 | @param[in] FormId Form ID of current page.\r | |
2932 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2933 | @param[in] DeleteIndex Signature index to delete.\r | |
20333c6d | 2934 | \r |
85974aef | 2935 | @retval EFI_SUCCESS Delete signature successfully.\r |
ecc722ad | 2936 | @retval EFI_NOT_FOUND Can't find the signature item,\r |
2937 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 2938 | **/\r |
2939 | EFI_STATUS\r | |
ecc722ad | 2940 | DeleteSignature (\r |
2941 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2942 | IN CHAR16 *VariableName,\r | |
2943 | IN EFI_GUID *VendorGuid,\r | |
2944 | IN UINT16 LabelNumber,\r | |
2945 | IN EFI_FORM_ID FormId,\r | |
2946 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
2947 | IN UINTN DeleteIndex\r | |
beda2356 | 2948 | )\r |
2949 | {\r | |
ecc722ad | 2950 | EFI_STATUS Status;\r |
2951 | UINTN DataSize;\r | |
2952 | UINT8 *Data;\r | |
2953 | UINT8 *OldData;\r | |
2954 | UINT32 Attr;\r | |
2955 | UINT32 Index;\r | |
2956 | EFI_SIGNATURE_LIST *CertList;\r | |
2957 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2958 | EFI_SIGNATURE_DATA *Cert;\r | |
2959 | UINTN CertCount;\r | |
2960 | UINT32 Offset;\r | |
2961 | BOOLEAN IsItemFound;\r | |
2962 | UINT32 ItemDataSize;\r | |
2963 | UINTN GuidIndex;\r | |
bc0c99b3 | 2964 | \r |
ecc722ad | 2965 | Data = NULL;\r |
2966 | OldData = NULL;\r | |
2967 | CertList = NULL;\r | |
2968 | Cert = NULL;\r | |
20333c6d | 2969 | Attr = 0;\r |
ecc722ad | 2970 | \r |
f71ed839 | 2971 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
2972 | if (EFI_ERROR (Status)) {\r | |
2973 | return Status;\r | |
2974 | }\r | |
2975 | \r | |
ecc722ad | 2976 | //\r |
2977 | // Get original signature list data.\r | |
20333c6d | 2978 | //\r |
ecc722ad | 2979 | DataSize = 0;\r |
2980 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r | |
2981 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2982 | goto ON_EXIT;\r | |
2983 | }\r | |
2984 | \r | |
2985 | OldData = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2986 | if (OldData == NULL) {\r | |
20333c6d | 2987 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2988 | goto ON_EXIT;\r |
2989 | }\r | |
2990 | \r | |
2991 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
2992 | if (EFI_ERROR(Status)) {\r | |
2993 | goto ON_EXIT;\r | |
20333c6d | 2994 | }\r |
ecc722ad | 2995 | \r |
2996 | //\r | |
20333c6d | 2997 | // Allocate space for new variable.\r |
ecc722ad | 2998 | //\r |
2999 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
3000 | if (Data == NULL) {\r | |
3001 | Status = EFI_OUT_OF_RESOURCES;\r | |
3002 | goto ON_EXIT;\r | |
3003 | }\r | |
3004 | \r | |
3005 | //\r | |
3006 | // Enumerate all signature data and erasing the target item.\r | |
3007 | //\r | |
3008 | IsItemFound = FALSE;\r | |
3009 | ItemDataSize = (UINT32) DataSize;\r | |
3010 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
3011 | Offset = 0;\r | |
3012 | GuidIndex = 0;\r | |
3013 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
3014 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
3015 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
3016 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
20333c6d QL |
3017 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid) ||\r |
3018 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid) ||\r | |
3019 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid) ||\r | |
3020 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)\r | |
ecc722ad | 3021 | ) {\r |
3022 | //\r | |
3023 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
3024 | //\r | |
3025 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
3026 | NewCertList = (EFI_SIGNATURE_LIST*) (Data + Offset);\r | |
3027 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
3028 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
3029 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
3030 | for (Index = 0; Index < CertCount; Index++) {\r | |
3031 | if (GuidIndex == DeleteIndex) {\r | |
3032 | //\r | |
3033 | // Find it! Skip it!\r | |
3034 | //\r | |
3035 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 3036 | IsItemFound = TRUE;\r |
ecc722ad | 3037 | } else {\r |
3038 | //\r | |
3039 | // This item doesn't match. Copy it to the Data buffer.\r | |
3040 | //\r | |
3041 | CopyMem (Data + Offset, (UINT8*)(Cert), CertList->SignatureSize);\r | |
3042 | Offset += CertList->SignatureSize;\r | |
3043 | }\r | |
3044 | GuidIndex++;\r | |
3045 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
3046 | }\r | |
3047 | } else {\r | |
3048 | //\r | |
3049 | // This List doesn't match. Just copy it to the Data buffer.\r | |
3050 | //\r | |
3051 | CopyMem (Data + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
3052 | Offset += CertList->SignatureListSize;\r | |
3053 | }\r | |
20333c6d | 3054 | \r |
ecc722ad | 3055 | ItemDataSize -= CertList->SignatureListSize;\r |
3056 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
3057 | }\r | |
3058 | \r | |
3059 | if (!IsItemFound) {\r | |
3060 | //\r | |
3061 | // Doesn't find the signature Item!\r | |
3062 | //\r | |
3063 | Status = EFI_NOT_FOUND;\r | |
3064 | goto ON_EXIT;\r | |
3065 | }\r | |
3066 | \r | |
3067 | //\r | |
3068 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
3069 | //\r | |
3070 | ItemDataSize = Offset;\r | |
3071 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
3072 | Offset = 0;\r | |
3073 | ZeroMem (OldData, ItemDataSize);\r | |
3074 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
3075 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 3076 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 3077 | if (CertCount != 0) {\r |
3078 | CopyMem (OldData + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
3079 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 3080 | }\r |
ecc722ad | 3081 | ItemDataSize -= CertList->SignatureListSize;\r |
3082 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
3083 | }\r | |
3084 | \r | |
ecc722ad | 3085 | DataSize = Offset;\r |
8c1babfd | 3086 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
3087 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
3088 | if (EFI_ERROR (Status)) {\r | |
3089 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
3090 | goto ON_EXIT;\r | |
3091 | }\r | |
3092 | }\r | |
ecc722ad | 3093 | \r |
3094 | Status = gRT->SetVariable(\r | |
20333c6d QL |
3095 | VariableName,\r |
3096 | VendorGuid,\r | |
3097 | Attr,\r | |
3098 | DataSize,\r | |
ecc722ad | 3099 | OldData\r |
3100 | );\r | |
beda2356 | 3101 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 3102 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
3103 | goto ON_EXIT;\r | |
beda2356 | 3104 | }\r |
20333c6d | 3105 | \r |
ecc722ad | 3106 | ON_EXIT:\r |
3107 | if (Data != NULL) {\r | |
3108 | FreePool(Data);\r | |
3109 | }\r | |
3110 | \r | |
3111 | if (OldData != NULL) {\r | |
3112 | FreePool(OldData);\r | |
3113 | }\r | |
3114 | \r | |
3115 | return UpdateDeletePage (\r | |
20333c6d | 3116 | PrivateData,\r |
ecc722ad | 3117 | VariableName,\r |
3118 | VendorGuid,\r | |
3119 | LabelNumber,\r | |
3120 | FormId,\r | |
3121 | QuestionIdBase\r | |
3122 | );\r | |
3123 | }\r | |
3124 | \r | |
85974aef | 3125 | /**\r |
3126 | This function to delete signature list or data, according by DelType.\r | |
3127 | \r | |
3128 | @param[in] PrivateData Module's private data.\r | |
3129 | @param[in] DelType Indicate delete signature list or data.\r | |
3130 | @param[in] CheckedCount Indicate how many signature data have\r | |
3131 | been checked in current signature list.\r | |
3132 | \r | |
3133 | @retval EFI_SUCCESS Success to update the signature list page\r | |
3134 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3135 | **/\r | |
3136 | EFI_STATUS\r | |
3137 | DeleteSignatureEx (\r | |
3138 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
3139 | IN SIGNATURE_DELETE_TYPE DelType,\r | |
3140 | IN UINT32 CheckedCount\r | |
3141 | )\r | |
3142 | {\r | |
3143 | EFI_STATUS Status;\r | |
3144 | EFI_SIGNATURE_LIST *ListWalker;\r | |
3145 | EFI_SIGNATURE_LIST *NewCertList;\r | |
3146 | EFI_SIGNATURE_DATA *DataWalker;\r | |
65c77f02 | 3147 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
85974aef | 3148 | UINT32 VariableAttr;\r |
3149 | UINTN VariableDataSize;\r | |
3150 | UINTN RemainingSize;\r | |
3151 | UINTN ListIndex;\r | |
3152 | UINTN Index;\r | |
3153 | UINTN Offset;\r | |
3154 | UINT8 *VariableData;\r | |
3155 | UINT8 *NewVariableData;\r | |
3156 | \r | |
3157 | Status = EFI_SUCCESS;\r | |
85974aef | 3158 | VariableAttr = 0;\r |
3159 | VariableDataSize = 0;\r | |
3160 | ListIndex = 0;\r | |
3161 | Offset = 0;\r | |
3162 | VariableData = NULL;\r | |
3163 | NewVariableData = NULL;\r | |
3164 | \r | |
0085d619 | 3165 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 3166 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 3167 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 3168 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 3169 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 3170 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 3171 | } else {\r |
3172 | goto ON_EXIT;\r | |
3173 | }\r | |
3174 | \r | |
3175 | Status = gRT->GetVariable (\r | |
3176 | VariableName,\r | |
3177 | &gEfiImageSecurityDatabaseGuid,\r | |
3178 | &VariableAttr,\r | |
3179 | &VariableDataSize,\r | |
3180 | VariableData\r | |
3181 | );\r | |
3182 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
3183 | goto ON_EXIT;\r | |
3184 | }\r | |
3185 | \r | |
3186 | VariableData = AllocateZeroPool (VariableDataSize);\r | |
3187 | if (VariableData == NULL) {\r | |
3188 | Status = EFI_OUT_OF_RESOURCES;\r | |
3189 | goto ON_EXIT;\r | |
3190 | }\r | |
3191 | \r | |
3192 | Status = gRT->GetVariable (\r | |
3193 | VariableName,\r | |
3194 | &gEfiImageSecurityDatabaseGuid,\r | |
3195 | &VariableAttr,\r | |
3196 | &VariableDataSize,\r | |
3197 | VariableData\r | |
3198 | );\r | |
3199 | if (EFI_ERROR (Status)) {\r | |
3200 | goto ON_EXIT;\r | |
3201 | }\r | |
3202 | \r | |
3203 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
3204 | if (EFI_ERROR (Status)) {\r | |
3205 | goto ON_EXIT;\r | |
3206 | }\r | |
3207 | \r | |
3208 | NewVariableData = AllocateZeroPool (VariableDataSize);\r | |
3209 | if (NewVariableData == NULL) {\r | |
3210 | Status = EFI_OUT_OF_RESOURCES;\r | |
3211 | goto ON_EXIT;\r | |
3212 | }\r | |
3213 | \r | |
3214 | RemainingSize = VariableDataSize;\r | |
3215 | ListWalker = (EFI_SIGNATURE_LIST *)(VariableData);\r | |
0085d619 | 3216 | if (DelType == Delete_Signature_List_All) {\r |
85974aef | 3217 | VariableDataSize = 0;\r |
3218 | } else {\r | |
dcd70885 LG |
3219 | //\r |
3220 | // Traverse to target EFI_SIGNATURE_LIST but others will be skipped.\r | |
3221 | //\r | |
85974aef | 3222 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex < PrivateData->ListIndex) {\r |
3223 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, ListWalker->SignatureListSize);\r | |
3224 | Offset += ListWalker->SignatureListSize;\r | |
3225 | \r | |
3226 | RemainingSize -= ListWalker->SignatureListSize;\r | |
3227 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
3228 | ListIndex++;\r | |
3229 | }\r | |
3230 | \r | |
dcd70885 LG |
3231 | //\r |
3232 | // Handle the target EFI_SIGNATURE_LIST.\r | |
3233 | // If CheckedCount == SIGNATURE_DATA_COUNTS (ListWalker) or DelType == Delete_Signature_List_One\r | |
3234 | // it means delete the whole EFI_SIGNATURE_LIST, So we just skip this EFI_SIGNATURE_LIST.\r | |
3235 | //\r | |
3236 | if (CheckedCount < SIGNATURE_DATA_COUNTS (ListWalker) && DelType == Delete_Signature_Data) {\r | |
85974aef | 3237 | NewCertList = (EFI_SIGNATURE_LIST *)(NewVariableData + Offset);\r |
3238 | //\r | |
3239 | // Copy header.\r | |
3240 | //\r | |
dcd70885 | 3241 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
85974aef | 3242 | Offset += sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize;\r |
3243 | \r | |
3244 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof(EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r | |
3245 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS(ListWalker); Index = Index + 1) {\r | |
3246 | if (PrivateData->CheckArray[Index]) {\r | |
3247 | //\r | |
3248 | // Delete checked signature data, and update the size of whole signature list.\r | |
3249 | //\r | |
3250 | NewCertList->SignatureListSize -= NewCertList->SignatureSize;\r | |
3251 | } else {\r | |
3252 | //\r | |
3253 | // Remain the unchecked signature data.\r | |
3254 | //\r | |
3255 | CopyMem ((UINT8 *)NewVariableData + Offset, DataWalker, ListWalker->SignatureSize);\r | |
3256 | Offset += ListWalker->SignatureSize;\r | |
3257 | }\r | |
3258 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r | |
3259 | }\r | |
85974aef | 3260 | }\r |
3261 | \r | |
dcd70885 LG |
3262 | RemainingSize -= ListWalker->SignatureListSize;\r |
3263 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
3264 | \r | |
85974aef | 3265 | //\r |
3266 | // Copy remaining data, maybe 0.\r | |
3267 | //\r | |
3268 | CopyMem((UINT8 *)NewVariableData + Offset, ListWalker, RemainingSize);\r | |
3269 | Offset += RemainingSize;\r | |
3270 | \r | |
3271 | VariableDataSize = Offset;\r | |
3272 | }\r | |
3273 | \r | |
3274 | if ((VariableAttr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r | |
3275 | Status = CreateTimeBasedPayload (&VariableDataSize, &NewVariableData);\r | |
3276 | if (EFI_ERROR (Status)) {\r | |
3277 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
3278 | goto ON_EXIT;\r | |
3279 | }\r | |
3280 | }\r | |
3281 | \r | |
3282 | Status = gRT->SetVariable (\r | |
3283 | VariableName,\r | |
3284 | &gEfiImageSecurityDatabaseGuid,\r | |
3285 | VariableAttr,\r | |
3286 | VariableDataSize,\r | |
3287 | NewVariableData\r | |
3288 | );\r | |
3289 | if (EFI_ERROR (Status)) {\r | |
3290 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r", Status));\r | |
3291 | goto ON_EXIT;\r | |
3292 | }\r | |
3293 | \r | |
3294 | ON_EXIT:\r | |
85974aef | 3295 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3296 | SECUREBOOT_FREE_NON_NULL (NewVariableData);\r | |
3297 | \r | |
3298 | return Status;\r | |
3299 | }\r | |
3300 | \r | |
02dd6af9 CZ |
3301 | /**\r |
3302 | \r | |
3303 | Update SecureBoot strings based on new Secure Boot Mode State. String includes STR_SECURE_BOOT_STATE_CONTENT\r | |
3304 | and STR_CUR_SECURE_BOOT_MODE_CONTENT.\r | |
3305 | \r | |
3306 | @param[in] PrivateData Module's private data.\r | |
3307 | \r | |
3308 | @return EFI_SUCCESS Update secure boot strings successfully.\r | |
3309 | @return other Fail to update secure boot strings.\r | |
3310 | \r | |
3311 | **/\r | |
3312 | EFI_STATUS\r | |
3313 | UpdateSecureBootString(\r | |
3314 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
abffadf0 ZC |
3315 | )\r |
3316 | {\r | |
02dd6af9 CZ |
3317 | UINT8 *SecureBoot;\r |
3318 | \r | |
e8cd9b80 CZ |
3319 | SecureBoot = NULL;\r |
3320 | \r | |
02dd6af9 CZ |
3321 | //\r |
3322 | // Get current secure boot state.\r | |
3323 | //\r | |
e8cd9b80 CZ |
3324 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SecureBoot, NULL);\r |
3325 | if (SecureBoot == NULL) {\r | |
3326 | return EFI_NOT_FOUND;\r | |
02dd6af9 CZ |
3327 | }\r |
3328 | \r | |
3329 | if (*SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
3330 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
3331 | } else {\r | |
3332 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
3333 | }\r | |
02dd6af9 CZ |
3334 | \r |
3335 | FreePool(SecureBoot);\r | |
3336 | \r | |
3337 | return EFI_SUCCESS;\r | |
3338 | }\r | |
3339 | \r | |
ecc722ad | 3340 | /**\r |
3341 | This function extracts configuration from variable.\r | |
20333c6d | 3342 | \r |
4de754e1 | 3343 | @param[in] Private Point to SecureBoot configuration driver private data.\r |
ecc722ad | 3344 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r |
3345 | \r | |
3346 | **/\r | |
3347 | VOID\r | |
3348 | SecureBootExtractConfigFromVariable (\r | |
4de754e1 | 3349 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
ecc722ad | 3350 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r |
20333c6d | 3351 | )\r |
ecc722ad | 3352 | {\r |
20333c6d | 3353 | UINT8 *SecureBootEnable;\r |
12087ff6 | 3354 | UINT8 *SetupMode;\r |
20333c6d QL |
3355 | UINT8 *SecureBootMode;\r |
3356 | EFI_TIME CurrTime;\r | |
ecc722ad | 3357 | \r |
3358 | SecureBootEnable = NULL;\r | |
12087ff6 | 3359 | SetupMode = NULL;\r |
ecc722ad | 3360 | SecureBootMode = NULL;\r |
20333c6d QL |
3361 | \r |
3362 | //\r | |
d6b926e7 | 3363 | // Initialize the Date and Time using system time.\r |
20333c6d QL |
3364 | //\r |
3365 | ConfigData->CertificateFormat = HASHALG_RAW;\r | |
3366 | ConfigData->AlwaysRevocation = TRUE;\r | |
3367 | gRT->GetTime (&CurrTime, NULL);\r | |
3368 | ConfigData->RevocationDate.Year = CurrTime.Year;\r | |
3369 | ConfigData->RevocationDate.Month = CurrTime.Month;\r | |
3370 | ConfigData->RevocationDate.Day = CurrTime.Day;\r | |
3371 | ConfigData->RevocationTime.Hour = CurrTime.Hour;\r | |
3372 | ConfigData->RevocationTime.Minute = CurrTime.Minute;\r | |
3373 | ConfigData->RevocationTime.Second = 0;\r | |
4de754e1 ZC |
3374 | if (Private->FileContext->FHandle != NULL) {\r |
3375 | ConfigData->FileEnrollType = Private->FileContext->FileType;\r | |
3376 | } else {\r | |
3377 | ConfigData->FileEnrollType = UNKNOWN_FILE_TYPE;\r | |
3378 | }\r | |
20333c6d | 3379 | \r |
ecc722ad | 3380 | //\r |
3381 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
3382 | //\r | |
3383 | if (UserPhysicalPresent()) {\r | |
3384 | ConfigData->PhysicalPresent = TRUE;\r | |
3385 | } else {\r | |
3386 | ConfigData->PhysicalPresent = FALSE;\r | |
3387 | }\r | |
20333c6d | 3388 | \r |
96832eef CZ |
3389 | //\r |
3390 | // If there is no PK then the Delete Pk button will be gray.\r | |
3391 | //\r | |
12087ff6 ZC |
3392 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
3393 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
96832eef CZ |
3394 | ConfigData->HasPk = FALSE;\r |
3395 | } else {\r | |
3396 | ConfigData->HasPk = TRUE;\r | |
3397 | }\r | |
3398 | \r | |
126f3b1d | 3399 | //\r |
d6b926e7 | 3400 | // Check SecureBootEnable & Pk status, fix the inconsistency.\r |
126f3b1d ZC |
3401 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r |
3402 | // Checkbox.\r | |
3403 | //\r | |
3404 | ConfigData->AttemptSecureBoot = FALSE;\r | |
b3548d32 | 3405 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
126f3b1d ZC |
3406 | \r |
3407 | //\r | |
d6b926e7 | 3408 | // Fix Pk and SecureBootEnable inconsistency\r |
126f3b1d | 3409 | //\r |
f1005559 | 3410 | if ((SetupMode != NULL) && (*SetupMode) == USER_MODE) {\r |
126f3b1d ZC |
3411 | ConfigData->HideSecureBoot = FALSE;\r |
3412 | if ((SecureBootEnable != NULL) && (*SecureBootEnable == SECURE_BOOT_ENABLE)) {\r | |
3413 | ConfigData->AttemptSecureBoot = TRUE;\r | |
3414 | }\r | |
3415 | } else {\r | |
3416 | ConfigData->HideSecureBoot = TRUE;\r | |
3417 | }\r | |
3418 | \r | |
12087ff6 ZC |
3419 | //\r |
3420 | // Get the SecureBootMode from CustomMode variable.\r | |
3421 | //\r | |
3422 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3423 | if (SecureBootMode == NULL) {\r | |
3424 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3425 | } else {\r | |
3426 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
3427 | }\r | |
3428 | \r | |
f71ed839 | 3429 | if (SecureBootEnable != NULL) {\r |
3430 | FreePool (SecureBootEnable);\r | |
3431 | }\r | |
12087ff6 ZC |
3432 | if (SetupMode != NULL) {\r |
3433 | FreePool (SetupMode);\r | |
3434 | }\r | |
f71ed839 | 3435 | if (SecureBootMode != NULL) {\r |
3436 | FreePool (SecureBootMode);\r | |
3437 | }\r | |
beda2356 | 3438 | }\r |
3439 | \r | |
3440 | /**\r | |
3441 | This function allows a caller to extract the current configuration for one\r | |
3442 | or more named elements from the target driver.\r | |
3443 | \r | |
3444 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3445 | @param[in] Request A null-terminated Unicode string in\r | |
3446 | <ConfigRequest> format.\r | |
3447 | @param[out] Progress On return, points to a character in the Request\r | |
3448 | string. Points to the string's null terminator if\r | |
3449 | request was successful. Points to the most recent\r | |
3450 | '&' before the first failing name/value pair (or\r | |
3451 | the beginning of the string if the failure is in\r | |
3452 | the first name/value pair) if the request was not\r | |
3453 | successful.\r | |
3454 | @param[out] Results A null-terminated Unicode string in\r | |
3455 | <ConfigAltResp> format which has all values filled\r | |
3456 | in for the names in the Request string. String to\r | |
3457 | be allocated by the called function.\r | |
3458 | \r | |
3459 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
3460 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
3461 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
3462 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3463 | driver.\r | |
3464 | \r | |
3465 | **/\r | |
3466 | EFI_STATUS\r | |
3467 | EFIAPI\r | |
3468 | SecureBootExtractConfig (\r | |
3469 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3470 | IN CONST EFI_STRING Request,\r | |
3471 | OUT EFI_STRING *Progress,\r | |
3472 | OUT EFI_STRING *Results\r | |
3473 | )\r | |
3474 | {\r | |
3475 | EFI_STATUS Status;\r | |
3476 | UINTN BufferSize;\r | |
bc0c99b3 | 3477 | UINTN Size;\r |
beda2356 | 3478 | SECUREBOOT_CONFIGURATION Configuration;\r |
beda2356 | 3479 | EFI_STRING ConfigRequest;\r |
bc0c99b3 | 3480 | EFI_STRING ConfigRequestHdr;\r |
bc0c99b3 | 3481 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r |
3482 | BOOLEAN AllocatedRequest;\r | |
3483 | \r | |
beda2356 | 3484 | if (Progress == NULL || Results == NULL) {\r |
3485 | return EFI_INVALID_PARAMETER;\r | |
3486 | }\r | |
20333c6d | 3487 | \r |
bc0c99b3 | 3488 | AllocatedRequest = FALSE;\r |
3489 | ConfigRequestHdr = NULL;\r | |
3490 | ConfigRequest = NULL;\r | |
3491 | Size = 0;\r | |
20333c6d | 3492 | \r |
ea71453f | 3493 | ZeroMem (&Configuration, sizeof (Configuration));\r |
bc0c99b3 | 3494 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3495 | *Progress = Request;\r | |
20333c6d | 3496 | \r |
beda2356 | 3497 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
3498 | return EFI_NOT_FOUND;\r | |
3499 | }\r | |
3500 | \r | |
4de754e1 ZC |
3501 | ZeroMem(&Configuration, sizeof(SECUREBOOT_CONFIGURATION));\r |
3502 | \r | |
beda2356 | 3503 | //\r |
ecc722ad | 3504 | // Get Configuration from Variable.\r |
beda2356 | 3505 | //\r |
4de754e1 | 3506 | SecureBootExtractConfigFromVariable (PrivateData, &Configuration);\r |
f71ed839 | 3507 | \r |
bc0c99b3 | 3508 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 3509 | ConfigRequest = Request;\r |
bc0c99b3 | 3510 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
3511 | //\r | |
3512 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 3513 | //\r |
3514 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
3515 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
3516 | //\r | |
3517 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
3518 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
3519 | ConfigRequest = AllocateZeroPool (Size);\r | |
3520 | ASSERT (ConfigRequest != NULL);\r | |
3521 | AllocatedRequest = TRUE;\r | |
3522 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
3523 | FreePool (ConfigRequestHdr);\r | |
3524 | ConfigRequestHdr = NULL;\r | |
3525 | }\r | |
beda2356 | 3526 | \r |
3527 | Status = gHiiConfigRouting->BlockToConfig (\r | |
3528 | gHiiConfigRouting,\r | |
3529 | ConfigRequest,\r | |
3530 | (UINT8 *) &Configuration,\r | |
3531 | BufferSize,\r | |
3532 | Results,\r | |
3533 | Progress\r | |
3534 | );\r | |
bc0c99b3 | 3535 | \r |
3536 | //\r | |
3537 | // Free the allocated config request string.\r | |
3538 | //\r | |
3539 | if (AllocatedRequest) {\r | |
3540 | FreePool (ConfigRequest);\r | |
3541 | }\r | |
3542 | \r | |
beda2356 | 3543 | //\r |
3544 | // Set Progress string to the original request string.\r | |
3545 | //\r | |
3546 | if (Request == NULL) {\r | |
3547 | *Progress = NULL;\r | |
3548 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
3549 | *Progress = Request + StrLen (Request);\r | |
3550 | }\r | |
3551 | \r | |
3552 | return Status;\r | |
3553 | }\r | |
3554 | \r | |
3555 | /**\r | |
3556 | This function processes the results of changes in configuration.\r | |
3557 | \r | |
3558 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3559 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
3560 | format.\r | |
3561 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
3562 | the most recent '&' before the first failing\r | |
3563 | name/value pair (or the beginning of the string if\r | |
3564 | the failure is in the first name/value pair) or\r | |
3565 | the terminating NULL if all was successful.\r | |
3566 | \r | |
3567 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
3568 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
3569 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3570 | driver.\r | |
3571 | \r | |
3572 | **/\r | |
3573 | EFI_STATUS\r | |
3574 | EFIAPI\r | |
3575 | SecureBootRouteConfig (\r | |
3576 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3577 | IN CONST EFI_STRING Configuration,\r | |
3578 | OUT EFI_STRING *Progress\r | |
3579 | )\r | |
3580 | {\r | |
4de754e1 ZC |
3581 | SECUREBOOT_CONFIGURATION IfrNvData;\r |
3582 | UINTN BufferSize;\r | |
3583 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
3584 | EFI_STATUS Status;\r | |
20333c6d | 3585 | \r |
beda2356 | 3586 | if (Configuration == NULL || Progress == NULL) {\r |
3587 | return EFI_INVALID_PARAMETER;\r | |
3588 | }\r | |
3589 | \r | |
3590 | *Progress = Configuration;\r | |
3591 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
3592 | return EFI_NOT_FOUND;\r | |
3593 | }\r | |
3594 | \r | |
4de754e1 ZC |
3595 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3596 | \r | |
a365eed4 FS |
3597 | //\r |
3598 | // Get Configuration from Variable.\r | |
3599 | //\r | |
4de754e1 | 3600 | SecureBootExtractConfigFromVariable (PrivateData, &IfrNvData);\r |
a365eed4 FS |
3601 | \r |
3602 | //\r | |
3603 | // Map the Configuration to the configuration block.\r | |
3604 | //\r | |
a2f2c258 | 3605 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
3606 | Status = gHiiConfigRouting->ConfigToBlock (\r | |
3607 | gHiiConfigRouting,\r | |
3608 | Configuration,\r | |
3609 | (UINT8 *)&IfrNvData,\r | |
3610 | &BufferSize,\r | |
3611 | Progress\r | |
3612 | );\r | |
3613 | if (EFI_ERROR (Status)) {\r | |
3614 | return Status;\r | |
3615 | }\r | |
3616 | \r | |
3617 | //\r | |
3618 | // Store Buffer Storage back to EFI variable if needed\r | |
3619 | //\r | |
126f3b1d | 3620 | if (!IfrNvData.HideSecureBoot) {\r |
a2f2c258 | 3621 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r |
3622 | if (EFI_ERROR (Status)) {\r | |
3623 | return Status;\r | |
3624 | }\r | |
3625 | }\r | |
3626 | \r | |
ecc722ad | 3627 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 3628 | return EFI_SUCCESS;\r |
3629 | }\r | |
3630 | \r | |
85974aef | 3631 | /**\r |
3632 | This function to load signature list, the update the menu page.\r | |
3633 | \r | |
3634 | @param[in] PrivateData Module's private data.\r | |
3635 | @param[in] LabelId Label number to insert opcodes.\r | |
3636 | @param[in] FormId Form ID of current page.\r | |
3637 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
3638 | \r | |
3639 | @retval EFI_SUCCESS Success to update the signature list page\r | |
3640 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3641 | **/\r | |
3642 | EFI_STATUS\r | |
3643 | LoadSignatureList (\r | |
3644 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
3645 | IN UINT16 LabelId,\r | |
3646 | IN EFI_FORM_ID FormId,\r | |
3647 | IN EFI_QUESTION_ID QuestionIdBase\r | |
3648 | )\r | |
3649 | {\r | |
3650 | EFI_STATUS Status;\r | |
3651 | EFI_STRING_ID ListType;\r | |
3539e850 | 3652 | EFI_STRING FormatNameString;\r |
3653 | EFI_STRING FormatHelpString;\r | |
3654 | EFI_STRING FormatTypeString;\r | |
85974aef | 3655 | EFI_SIGNATURE_LIST *ListWalker;\r |
3656 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
3657 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
3658 | EFI_IFR_GUID_LABEL *StartGoto;\r | |
3659 | EFI_IFR_GUID_LABEL *EndGoto;\r | |
3660 | EFI_FORM_ID DstFormId;\r | |
3661 | VOID *StartOpCodeHandle;\r | |
3662 | VOID *EndOpCodeHandle;\r | |
3663 | VOID *StartGotoHandle;\r | |
3664 | VOID *EndGotoHandle;\r | |
3665 | UINTN DataSize;\r | |
3666 | UINTN RemainingSize;\r | |
3667 | UINT16 Index;\r | |
3668 | UINT8 *VariableData;\r | |
65c77f02 | 3669 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
3670 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
3671 | CHAR16 HelpBuffer[BUFFER_MAX_SIZE];\r | |
85974aef | 3672 | \r |
3673 | Status = EFI_SUCCESS;\r | |
3539e850 | 3674 | FormatNameString = NULL;\r |
3675 | FormatHelpString = NULL;\r | |
85974aef | 3676 | StartOpCodeHandle = NULL;\r |
3677 | EndOpCodeHandle = NULL;\r | |
3678 | StartGotoHandle = NULL;\r | |
3679 | EndGotoHandle = NULL;\r | |
3680 | Index = 0;\r | |
3681 | VariableData = NULL;\r | |
85974aef | 3682 | \r |
3683 | //\r | |
3684 | // Initialize the container for dynamic opcodes.\r | |
3685 | //\r | |
3686 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3687 | if (StartOpCodeHandle == NULL) {\r | |
3688 | Status = EFI_OUT_OF_RESOURCES;\r | |
3689 | goto ON_EXIT;\r | |
3690 | }\r | |
3691 | \r | |
3692 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3693 | if (EndOpCodeHandle == NULL) {\r | |
3694 | Status = EFI_OUT_OF_RESOURCES;\r | |
3695 | goto ON_EXIT;\r | |
3696 | }\r | |
3697 | \r | |
3698 | StartGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3699 | if (StartGotoHandle == NULL) {\r | |
3700 | Status = EFI_OUT_OF_RESOURCES;\r | |
3701 | goto ON_EXIT;\r | |
3702 | }\r | |
3703 | \r | |
3704 | EndGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3705 | if (EndGotoHandle == NULL) {\r | |
3706 | Status = EFI_OUT_OF_RESOURCES;\r | |
3707 | goto ON_EXIT;\r | |
3708 | }\r | |
3709 | \r | |
3710 | //\r | |
3711 | // Create Hii Extend Label OpCode.\r | |
3712 | //\r | |
3713 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3714 | StartOpCodeHandle,\r | |
3715 | &gEfiIfrTianoGuid,\r | |
3716 | NULL,\r | |
3717 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3718 | );\r | |
3719 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3720 | StartLabel->Number = LabelId;\r | |
3721 | \r | |
3722 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3723 | EndOpCodeHandle,\r | |
3724 | &gEfiIfrTianoGuid,\r | |
3725 | NULL,\r | |
3726 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3727 | );\r | |
3728 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3729 | EndLabel->Number = LABEL_END;\r | |
3730 | \r | |
3731 | StartGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode(\r | |
3732 | StartGotoHandle,\r | |
3733 | &gEfiIfrTianoGuid,\r | |
3734 | NULL,\r | |
3735 | sizeof(EFI_IFR_GUID_LABEL)\r | |
3736 | );\r | |
3737 | StartGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3738 | StartGoto->Number = LABEL_DELETE_ALL_LIST_BUTTON;\r | |
3739 | \r | |
3740 | EndGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode(\r | |
3741 | EndGotoHandle,\r | |
3742 | &gEfiIfrTianoGuid,\r | |
3743 | NULL,\r | |
3744 | sizeof(EFI_IFR_GUID_LABEL)\r | |
3745 | );\r | |
3746 | EndGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3747 | EndGoto->Number = LABEL_END;\r | |
3748 | \r | |
0085d619 | 3749 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 3750 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
85974aef | 3751 | DstFormId = FORMID_SECURE_BOOT_DB_OPTION_FORM;\r |
0085d619 | 3752 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 3753 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
85974aef | 3754 | DstFormId = FORMID_SECURE_BOOT_DBX_OPTION_FORM;\r |
0085d619 | 3755 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 3756 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 3757 | DstFormId = FORMID_SECURE_BOOT_DBT_OPTION_FORM;\r |
3758 | } else {\r | |
3759 | goto ON_EXIT;\r | |
3760 | }\r | |
3761 | \r | |
3762 | HiiCreateGotoOpCode (\r | |
3763 | StartGotoHandle,\r | |
3764 | DstFormId,\r | |
3765 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3766 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3767 | EFI_IFR_FLAG_CALLBACK,\r | |
3768 | KEY_SECURE_BOOT_DELETE_ALL_LIST\r | |
3769 | );\r | |
3770 | \r | |
3771 | //\r | |
3772 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
3773 | //\r | |
3774 | DataSize = 0;\r | |
3775 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
3776 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
3777 | goto ON_EXIT;\r | |
3778 | }\r | |
3779 | \r | |
3780 | VariableData = AllocateZeroPool (DataSize);\r | |
3781 | if (VariableData == NULL) {\r | |
3782 | Status = EFI_OUT_OF_RESOURCES;\r | |
3783 | goto ON_EXIT;\r | |
3784 | }\r | |
3785 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
3786 | if (EFI_ERROR (Status)) {\r | |
3787 | goto ON_EXIT;\r | |
3788 | }\r | |
3789 | \r | |
3539e850 | 3790 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_NAME_FORMAT), NULL);\r |
3791 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_HELP_FORMAT), NULL);\r | |
3792 | if (FormatNameString == NULL || FormatHelpString == NULL) {\r | |
3793 | goto ON_EXIT;\r | |
3794 | }\r | |
3795 | \r | |
85974aef | 3796 | RemainingSize = DataSize;\r |
3797 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r | |
3798 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize)) {\r | |
3799 | if (CompareGuid (&ListWalker->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
3800 | ListType = STRING_TOKEN (STR_LIST_TYPE_RSA2048_SHA256);\r | |
3801 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Guid)) {\r | |
3802 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509);\r | |
3803 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha1Guid)) {\r | |
3804 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA1);\r | |
3805 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha256Guid)) {\r | |
3806 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA256);\r | |
3807 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
3808 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA256);\r | |
3809 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
3810 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA384);\r | |
3811 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
3812 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA512);\r | |
3813 | } else {\r | |
3814 | ListType = STRING_TOKEN (STR_LIST_TYPE_UNKNOWN);\r | |
3815 | }\r | |
3539e850 | 3816 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListType, NULL);\r |
3817 | if (FormatTypeString == NULL) {\r | |
3818 | goto ON_EXIT;\r | |
3819 | }\r | |
85974aef | 3820 | \r |
65c77f02 | 3821 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 3822 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
65c77f02 | 3823 | \r |
3824 | ZeroMem (HelpBuffer, sizeof (HelpBuffer));\r | |
85974aef | 3825 | UnicodeSPrint (HelpBuffer,\r |
65c77f02 | 3826 | sizeof (HelpBuffer),\r |
3539e850 | 3827 | FormatHelpString,\r |
3828 | FormatTypeString,\r | |
85974aef | 3829 | SIGNATURE_DATA_COUNTS (ListWalker)\r |
3830 | );\r | |
3539e850 | 3831 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
3832 | FormatTypeString = NULL;\r | |
85974aef | 3833 | \r |
3834 | HiiCreateGotoOpCode (\r | |
3835 | StartOpCodeHandle,\r | |
3836 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
3837 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
3838 | HiiSetString (PrivateData->HiiHandle, 0, HelpBuffer, NULL),\r | |
3839 | EFI_IFR_FLAG_CALLBACK,\r | |
3840 | QuestionIdBase + Index++\r | |
3841 | );\r | |
3842 | \r | |
85974aef | 3843 | RemainingSize -= ListWalker->SignatureListSize;\r |
3844 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
3845 | }\r | |
3846 | \r | |
3847 | ON_EXIT:\r | |
3848 | HiiUpdateForm (\r | |
3849 | PrivateData->HiiHandle,\r | |
3850 | &gSecureBootConfigFormSetGuid,\r | |
3851 | FormId,\r | |
3852 | StartOpCodeHandle,\r | |
3853 | EndOpCodeHandle\r | |
3854 | );\r | |
3855 | \r | |
3856 | HiiUpdateForm (\r | |
3857 | PrivateData->HiiHandle,\r | |
3858 | &gSecureBootConfigFormSetGuid,\r | |
3859 | FormId,\r | |
3860 | StartGotoHandle,\r | |
3861 | EndGotoHandle\r | |
3862 | );\r | |
3863 | \r | |
3864 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
3865 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
3866 | SECUREBOOT_FREE_NON_OPCODE (StartGotoHandle);\r | |
3867 | SECUREBOOT_FREE_NON_OPCODE (EndGotoHandle);\r | |
3868 | \r | |
85974aef | 3869 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 3870 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
3871 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r | |
85974aef | 3872 | \r |
3873 | PrivateData->ListCount = Index;\r | |
3874 | \r | |
3875 | return Status;\r | |
3876 | }\r | |
3877 | \r | |
3878 | /**\r | |
3879 | Parse hash value from EFI_SIGNATURE_DATA, and save in the CHAR16 type array.\r | |
3880 | The buffer is callee allocated and should be freed by the caller.\r | |
3881 | \r | |
3882 | @param[in] ListEntry The pointer point to the signature list.\r | |
3883 | @param[in] DataEntry The signature data we are processing.\r | |
3884 | @param[out] BufferToReturn Buffer to save the hash value.\r | |
3885 | \r | |
3886 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3887 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3888 | @retval EFI_SUCCESS Operation success.\r | |
3889 | **/\r | |
3890 | EFI_STATUS\r | |
3891 | ParseHashValue (\r | |
3892 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3893 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3894 | OUT CHAR16 **BufferToReturn\r | |
3895 | )\r | |
3896 | {\r | |
3897 | UINTN Index;\r | |
3898 | UINTN BufferIndex;\r | |
3899 | UINTN TotalSize;\r | |
3900 | UINTN DataSize;\r | |
3901 | UINTN Line;\r | |
3902 | UINTN OneLineBytes;\r | |
3903 | \r | |
3904 | //\r | |
3905 | // Assume that, display 8 bytes in one line.\r | |
3906 | //\r | |
3907 | OneLineBytes = 8;\r | |
3908 | \r | |
3909 | if (ListEntry == NULL || DataEntry == NULL || BufferToReturn == NULL) {\r | |
3910 | return EFI_INVALID_PARAMETER;\r | |
3911 | }\r | |
3912 | \r | |
3913 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
3914 | Line = (DataSize + OneLineBytes - 1) / OneLineBytes;\r | |
3915 | \r | |
3916 | //\r | |
3917 | // Each byte will split two Hex-number, and each line need additional memory to save '\r\n'.\r | |
3918 | //\r | |
3919 | TotalSize = ((DataSize + Line) * 2 * sizeof(CHAR16));\r | |
3920 | \r | |
3921 | *BufferToReturn = AllocateZeroPool(TotalSize);\r | |
3922 | if (*BufferToReturn == NULL) {\r | |
3923 | return EFI_OUT_OF_RESOURCES;\r | |
3924 | }\r | |
3925 | \r | |
3926 | for (Index = 0, BufferIndex = 0; Index < DataSize; Index = Index + 1) {\r | |
3927 | if ((Index > 0) && (Index % OneLineBytes == 0)) {\r | |
3928 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"\n");\r | |
3929 | }\r | |
3930 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"%02x", DataEntry->SignatureData[Index]);\r | |
3931 | }\r | |
3932 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"\n");\r | |
3933 | \r | |
3934 | return EFI_SUCCESS;\r | |
3935 | }\r | |
3936 | \r | |
3937 | /**\r | |
3938 | Function to get the common name from the X509 format certificate.\r | |
3939 | The buffer is callee allocated and should be freed by the caller.\r | |
3940 | \r | |
3941 | @param[in] ListEntry The pointer point to the signature list.\r | |
3942 | @param[in] DataEntry The signature data we are processing.\r | |
3943 | @param[out] BufferToReturn Buffer to save the CN of X509 certificate.\r | |
3944 | \r | |
3945 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3946 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3947 | @retval EFI_SUCCESS Operation success.\r | |
3948 | @retval EFI_NOT_FOUND Not found CN field in the X509 certificate.\r | |
3949 | **/\r | |
3950 | EFI_STATUS\r | |
3951 | GetCommonNameFromX509 (\r | |
3952 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3953 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3954 | OUT CHAR16 **BufferToReturn\r | |
3955 | )\r | |
3956 | {\r | |
3957 | EFI_STATUS Status;\r | |
3958 | CHAR8 *CNBuffer;\r | |
3959 | UINTN CNBufferSize;\r | |
3960 | \r | |
3961 | Status = EFI_SUCCESS;\r | |
3962 | CNBuffer = NULL;\r | |
3963 | \r | |
3964 | CNBuffer = AllocateZeroPool(256);\r | |
3965 | if (CNBuffer == NULL) {\r | |
3966 | Status = EFI_OUT_OF_RESOURCES;\r | |
3967 | goto ON_EXIT;\r | |
3968 | }\r | |
3969 | \r | |
3970 | CNBufferSize = 256;\r | |
3971 | X509GetCommonName (\r | |
3972 | (UINT8 *)DataEntry + sizeof(EFI_GUID),\r | |
3973 | ListEntry->SignatureSize - sizeof(EFI_GUID),\r | |
3974 | CNBuffer,\r | |
3975 | &CNBufferSize\r | |
3976 | );\r | |
3977 | \r | |
3978 | *BufferToReturn = AllocateZeroPool(256 * sizeof(CHAR16));\r | |
3979 | if (*BufferToReturn == NULL) {\r | |
3980 | Status = EFI_OUT_OF_RESOURCES;\r | |
3981 | goto ON_EXIT;\r | |
3982 | }\r | |
3983 | \r | |
3984 | AsciiStrToUnicodeStrS (CNBuffer, *BufferToReturn, 256);\r | |
3985 | \r | |
3986 | ON_EXIT:\r | |
3987 | SECUREBOOT_FREE_NON_NULL (CNBuffer);\r | |
3988 | \r | |
3989 | return Status;\r | |
3990 | }\r | |
3991 | \r | |
3992 | /**\r | |
3993 | Format the help info for the signature data, each help info contain 3 parts.\r | |
3994 | 1. Onwer Guid.\r | |
3995 | 2. Content, depends on the type of the signature list.\r | |
3996 | 3. Revocation time.\r | |
3997 | \r | |
3998 | @param[in] PrivateData Module's private data.\r | |
3999 | @param[in] ListEntry Point to the signature list.\r | |
4000 | @param[in] DataEntry Point to the signature data we are processing.\r | |
4001 | @param[out] StringId Save the string id of help info.\r | |
4002 | \r | |
4003 | @retval EFI_SUCCESS Operation success.\r | |
4004 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
4005 | **/\r | |
4006 | EFI_STATUS\r | |
4007 | FormatHelpInfo (\r | |
4008 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
4009 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
4010 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
4011 | OUT EFI_STRING_ID *StringId\r | |
4012 | )\r | |
4013 | {\r | |
4014 | EFI_STATUS Status;\r | |
4015 | EFI_TIME *Time;\r | |
4016 | EFI_STRING_ID ListTypeId;\r | |
3539e850 | 4017 | EFI_STRING FormatHelpString;\r |
4018 | EFI_STRING FormatTypeString;\r | |
85974aef | 4019 | UINTN DataSize;\r |
4020 | UINTN HelpInfoIndex;\r | |
4021 | UINTN TotalSize;\r | |
65c77f02 | 4022 | CHAR16 GuidString[BUFFER_MAX_SIZE];\r |
4023 | CHAR16 TimeString[BUFFER_MAX_SIZE];\r | |
85974aef | 4024 | CHAR16 *DataString;\r |
85974aef | 4025 | CHAR16 *HelpInfoString;\r |
4026 | BOOLEAN IsCert;\r | |
4027 | \r | |
3539e850 | 4028 | Status = EFI_SUCCESS;\r |
4029 | Time = NULL;\r | |
4030 | FormatTypeString = NULL;\r | |
4031 | HelpInfoIndex = 0;\r | |
4032 | DataString = NULL;\r | |
4033 | HelpInfoString = NULL;\r | |
4034 | IsCert = FALSE;\r | |
85974aef | 4035 | \r |
4036 | if (CompareGuid(&ListEntry->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
4037 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_RSA2048_SHA256);\r | |
4038 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
4039 | IsCert = TRUE;\r | |
4040 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Guid)) {\r | |
4041 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509);\r | |
4042 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
4043 | IsCert = TRUE;\r | |
4044 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertSha1Guid)) {\r | |
4045 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_SHA1);\r | |
4046 | DataSize = 20;\r | |
4047 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertSha256Guid)) {\r | |
4048 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_SHA256);\r | |
4049 | DataSize = 32;\r | |
4050 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
4051 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA256);\r | |
4052 | DataSize = 32;\r | |
4053 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
4054 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
4055 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA384);\r | |
4056 | DataSize = 48;\r | |
4057 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
4058 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
4059 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA512);\r | |
4060 | DataSize = 64;\r | |
4061 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
4062 | } else {\r | |
4063 | Status = EFI_UNSUPPORTED;\r | |
4064 | goto ON_EXIT;\r | |
4065 | }\r | |
4066 | \r | |
3539e850 | 4067 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListTypeId, NULL);\r |
4068 | if (FormatTypeString == NULL) {\r | |
4069 | goto ON_EXIT;\r | |
4070 | }\r | |
4071 | \r | |
85974aef | 4072 | TotalSize = 1024;\r |
4073 | HelpInfoString = AllocateZeroPool (TotalSize);\r | |
4074 | if (HelpInfoString == NULL) {\r | |
4075 | Status = EFI_OUT_OF_RESOURCES;\r | |
4076 | goto ON_EXIT;\r | |
4077 | }\r | |
4078 | \r | |
4079 | //\r | |
4080 | // Format GUID part.\r | |
4081 | //\r | |
65c77f02 | 4082 | ZeroMem (GuidString, sizeof (GuidString));\r |
4083 | GuidToString(&DataEntry->SignatureOwner, GuidString, BUFFER_MAX_SIZE);\r | |
3539e850 | 4084 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_GUID), NULL);\r |
4085 | if (FormatHelpString == NULL) {\r | |
4086 | goto ON_EXIT;\r | |
4087 | }\r | |
85974aef | 4088 | HelpInfoIndex += UnicodeSPrint (\r |
4089 | &HelpInfoString[HelpInfoIndex],\r | |
4090 | TotalSize - sizeof(CHAR16) * HelpInfoIndex,\r | |
3539e850 | 4091 | FormatHelpString,\r |
85974aef | 4092 | GuidString\r |
4093 | );\r | |
3539e850 | 4094 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
4095 | FormatHelpString = NULL;\r | |
85974aef | 4096 | \r |
4097 | //\r | |
4098 | // Format content part, it depends on the type of signature list, hash value or CN.\r | |
4099 | //\r | |
4100 | if (IsCert) {\r | |
4101 | GetCommonNameFromX509 (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 4102 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_CN), NULL);\r |
85974aef | 4103 | } else {\r |
4104 | //\r | |
4105 | // Format hash value for each signature data entry.\r | |
4106 | //\r | |
4107 | ParseHashValue (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 4108 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_HASH), NULL);\r |
4109 | }\r | |
4110 | if (FormatHelpString == NULL) {\r | |
4111 | goto ON_EXIT;\r | |
85974aef | 4112 | }\r |
3539e850 | 4113 | HelpInfoIndex += UnicodeSPrint (\r |
4114 | &HelpInfoString[HelpInfoIndex],\r | |
4115 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
4116 | FormatHelpString,\r | |
4117 | FormatTypeString,\r | |
4118 | DataSize,\r | |
4119 | DataString\r | |
4120 | );\r | |
4121 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r | |
4122 | FormatHelpString = NULL;\r | |
85974aef | 4123 | \r |
4124 | //\r | |
4125 | // Format revocation time part.\r | |
4126 | //\r | |
4127 | if (Time != NULL) {\r | |
65c77f02 | 4128 | ZeroMem (TimeString, sizeof (TimeString));\r |
85974aef | 4129 | UnicodeSPrint (\r |
4130 | TimeString,\r | |
65c77f02 | 4131 | sizeof (TimeString),\r |
85974aef | 4132 | L"%d-%d-%d %d:%d:%d",\r |
4133 | Time->Year,\r | |
4134 | Time->Month,\r | |
4135 | Time->Day,\r | |
4136 | Time->Hour,\r | |
4137 | Time->Minute,\r | |
4138 | Time->Second\r | |
4139 | );\r | |
3539e850 | 4140 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_TIME), NULL);\r |
4141 | if (FormatHelpString == NULL) {\r | |
4142 | goto ON_EXIT;\r | |
4143 | }\r | |
85974aef | 4144 | UnicodeSPrint (\r |
4145 | &HelpInfoString[HelpInfoIndex],\r | |
4146 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
3539e850 | 4147 | FormatHelpString,\r |
85974aef | 4148 | TimeString\r |
4149 | );\r | |
3539e850 | 4150 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
4151 | FormatHelpString = NULL;\r | |
85974aef | 4152 | }\r |
4153 | \r | |
4154 | *StringId = HiiSetString (PrivateData->HiiHandle, 0, HelpInfoString, NULL);\r | |
85974aef | 4155 | ON_EXIT:\r |
85974aef | 4156 | SECUREBOOT_FREE_NON_NULL (DataString);\r |
85974aef | 4157 | SECUREBOOT_FREE_NON_NULL (HelpInfoString);\r |
4158 | \r | |
3539e850 | 4159 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
4160 | \r | |
85974aef | 4161 | return Status;\r |
4162 | }\r | |
4163 | \r | |
4164 | /**\r | |
ba562ca0 | 4165 | This function to load signature data under the signature list.\r |
85974aef | 4166 | \r |
4167 | @param[in] PrivateData Module's private data.\r | |
4168 | @param[in] LabelId Label number to insert opcodes.\r | |
4169 | @param[in] FormId Form ID of current page.\r | |
4170 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
4171 | @param[in] ListIndex Indicate to load which signature list.\r | |
4172 | \r | |
4173 | @retval EFI_SUCCESS Success to update the signature list page\r | |
4174 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
4175 | **/\r | |
4176 | EFI_STATUS\r | |
4177 | LoadSignatureData (\r | |
4178 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
4179 | IN UINT16 LabelId,\r | |
4180 | IN EFI_FORM_ID FormId,\r | |
4181 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
4182 | IN UINT16 ListIndex\r | |
4183 | )\r | |
4184 | {\r | |
4185 | EFI_STATUS Status;\r | |
4186 | EFI_SIGNATURE_LIST *ListWalker;\r | |
4187 | EFI_SIGNATURE_DATA *DataWalker;\r | |
4188 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
4189 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
4190 | EFI_STRING_ID HelpStringId;\r | |
3539e850 | 4191 | EFI_STRING FormatNameString;\r |
85974aef | 4192 | VOID *StartOpCodeHandle;\r |
4193 | VOID *EndOpCodeHandle;\r | |
4194 | UINTN DataSize;\r | |
4195 | UINTN RemainingSize;\r | |
4196 | UINT16 Index;\r | |
4197 | UINT8 *VariableData;\r | |
65c77f02 | 4198 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
4199 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
85974aef | 4200 | \r |
4201 | Status = EFI_SUCCESS;\r | |
3539e850 | 4202 | FormatNameString = NULL;\r |
85974aef | 4203 | StartOpCodeHandle = NULL;\r |
4204 | EndOpCodeHandle = NULL;\r | |
4205 | Index = 0;\r | |
4206 | VariableData = NULL;\r | |
85974aef | 4207 | \r |
4208 | //\r | |
4209 | // Initialize the container for dynamic opcodes.\r | |
4210 | //\r | |
4211 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4212 | if (StartOpCodeHandle == NULL) {\r | |
4213 | Status = EFI_OUT_OF_RESOURCES;\r | |
4214 | goto ON_EXIT;\r | |
4215 | }\r | |
4216 | \r | |
4217 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4218 | if (EndOpCodeHandle == NULL) {\r | |
4219 | Status = EFI_OUT_OF_RESOURCES;\r | |
4220 | goto ON_EXIT;\r | |
4221 | }\r | |
4222 | \r | |
4223 | //\r | |
4224 | // Create Hii Extend Label OpCode.\r | |
4225 | //\r | |
4226 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4227 | StartOpCodeHandle,\r | |
4228 | &gEfiIfrTianoGuid,\r | |
4229 | NULL,\r | |
4230 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4231 | );\r | |
4232 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4233 | StartLabel->Number = LabelId;\r | |
4234 | \r | |
4235 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4236 | EndOpCodeHandle,\r | |
4237 | &gEfiIfrTianoGuid,\r | |
4238 | NULL,\r | |
4239 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4240 | );\r | |
4241 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4242 | EndLabel->Number = LABEL_END;\r | |
4243 | \r | |
0085d619 | 4244 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 4245 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 4246 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 4247 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 4248 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 4249 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 4250 | } else {\r |
4251 | goto ON_EXIT;\r | |
4252 | }\r | |
4253 | \r | |
4254 | //\r | |
4255 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
4256 | //\r | |
4257 | DataSize = 0;\r | |
4258 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
4259 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
4260 | goto ON_EXIT;\r | |
4261 | }\r | |
4262 | \r | |
4263 | VariableData = AllocateZeroPool (DataSize);\r | |
4264 | if (VariableData == NULL) {\r | |
4265 | Status = EFI_OUT_OF_RESOURCES;\r | |
4266 | goto ON_EXIT;\r | |
4267 | }\r | |
4268 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
4269 | if (EFI_ERROR (Status)) {\r | |
4270 | goto ON_EXIT;\r | |
4271 | }\r | |
4272 | \r | |
85974aef | 4273 | RemainingSize = DataSize;\r |
4274 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r | |
4275 | \r | |
4276 | //\r | |
4277 | // Skip signature list.\r | |
4278 | //\r | |
4279 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex-- > 0) {\r | |
4280 | RemainingSize -= ListWalker->SignatureListSize;\r | |
4281 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
4282 | }\r | |
4283 | \r | |
3539e850 | 4284 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_NAME_FORMAT), NULL);\r |
4285 | if (FormatNameString == NULL) {\r | |
4286 | goto ON_EXIT;\r | |
4287 | }\r | |
4288 | \r | |
85974aef | 4289 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof(EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
4290 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS(ListWalker); Index = Index + 1) {\r | |
4291 | //\r | |
4292 | // Format name buffer.\r | |
4293 | //\r | |
65c77f02 | 4294 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 4295 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
85974aef | 4296 | \r |
4297 | //\r | |
4298 | // Format help info buffer.\r | |
4299 | //\r | |
4300 | Status = FormatHelpInfo (PrivateData, ListWalker, DataWalker, &HelpStringId);\r | |
4301 | if (EFI_ERROR (Status)) {\r | |
4302 | goto ON_EXIT;\r | |
4303 | }\r | |
4304 | \r | |
4305 | HiiCreateCheckBoxOpCode (\r | |
4306 | StartOpCodeHandle,\r | |
4307 | (EFI_QUESTION_ID)(QuestionIdBase + Index),\r | |
4308 | 0,\r | |
4309 | 0,\r | |
4310 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
4311 | HelpStringId,\r | |
4312 | EFI_IFR_FLAG_CALLBACK,\r | |
4313 | 0,\r | |
4314 | NULL\r | |
4315 | );\r | |
4316 | \r | |
4317 | ZeroMem(NameBuffer, 100);\r | |
4318 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r | |
4319 | }\r | |
4320 | \r | |
4321 | //\r | |
4322 | // Allocate a buffer to record which signature data will be checked.\r | |
4323 | // This memory buffer will be freed when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
4324 | //\r | |
4325 | PrivateData->CheckArray = AllocateZeroPool (SIGNATURE_DATA_COUNTS (ListWalker) * sizeof (BOOLEAN));\r | |
85974aef | 4326 | ON_EXIT:\r |
4327 | HiiUpdateForm (\r | |
4328 | PrivateData->HiiHandle,\r | |
4329 | &gSecureBootConfigFormSetGuid,\r | |
4330 | FormId,\r | |
4331 | StartOpCodeHandle,\r | |
4332 | EndOpCodeHandle\r | |
4333 | );\r | |
4334 | \r | |
4335 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
4336 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
4337 | \r | |
85974aef | 4338 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 4339 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
85974aef | 4340 | \r |
4341 | return Status;\r | |
4342 | }\r | |
4343 | \r | |
beda2356 | 4344 | /**\r |
ecc722ad | 4345 | This function is called to provide results data to the driver.\r |
beda2356 | 4346 | \r |
4347 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
4348 | @param[in] Action Specifies the type of action taken by the browser.\r | |
4349 | @param[in] QuestionId A unique value which is sent to the original\r | |
4350 | exporting driver so that it can identify the type\r | |
4351 | of data to expect.\r | |
4352 | @param[in] Type The type of value for the question.\r | |
4353 | @param[in] Value A pointer to the data being sent to the original\r | |
4354 | exporting driver.\r | |
4355 | @param[out] ActionRequest On return, points to the action requested by the\r | |
4356 | callback function.\r | |
4357 | \r | |
4358 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
4359 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
4360 | variable and its data.\r | |
4361 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
4362 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
4363 | callback.\r | |
4364 | \r | |
4365 | **/\r | |
4366 | EFI_STATUS\r | |
4367 | EFIAPI\r | |
4368 | SecureBootCallback (\r | |
4369 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
4370 | IN EFI_BROWSER_ACTION Action,\r | |
4371 | IN EFI_QUESTION_ID QuestionId,\r | |
4372 | IN UINT8 Type,\r | |
4373 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
4374 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
4375 | )\r | |
4376 | {\r | |
ecc722ad | 4377 | EFI_INPUT_KEY Key;\r |
20333c6d | 4378 | EFI_STATUS Status;\r |
2a085774 | 4379 | RETURN_STATUS RStatus;\r |
ecc722ad | 4380 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r |
4381 | UINTN BufferSize;\r | |
4382 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
4383 | UINT16 LabelId;\r | |
bf4a3dbd | 4384 | UINT8 *SecureBootEnable;\r |
126f3b1d | 4385 | UINT8 *Pk;\r |
f71ed839 | 4386 | UINT8 *SecureBootMode;\r |
12087ff6 | 4387 | UINT8 *SetupMode;\r |
e4d7370d | 4388 | CHAR16 PromptString[100];\r |
762d8ddb | 4389 | EFI_DEVICE_PATH_PROTOCOL *File;\r |
4de754e1 ZC |
4390 | UINTN NameLength;\r |
4391 | UINT16 *FilePostFix;\r | |
4392 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
488aab25 | 4393 | BOOLEAN GetBrowserDataResult;\r |
5396354b | 4394 | ENROLL_KEY_ERROR EnrollKeyErrorCode;\r |
bf4a3dbd | 4395 | \r |
5396354b JG |
4396 | Status = EFI_SUCCESS;\r |
4397 | SecureBootEnable = NULL;\r | |
4398 | SecureBootMode = NULL;\r | |
4399 | SetupMode = NULL;\r | |
4400 | File = NULL;\r | |
4401 | EnrollKeyErrorCode = None_Error;\r | |
bc0c99b3 | 4402 | \r |
beda2356 | 4403 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
4404 | return EFI_INVALID_PARAMETER;\r | |
4405 | }\r | |
12087ff6 | 4406 | \r |
96832eef CZ |
4407 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
4408 | \r | |
762d8ddb DB |
4409 | gSecureBootPrivateData = Private;\r |
4410 | \r | |
96832eef CZ |
4411 | //\r |
4412 | // Retrieve uncommitted data from Browser\r | |
4413 | //\r | |
4414 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
4415 | IfrNvData = AllocateZeroPool (BufferSize);\r | |
4416 | if (IfrNvData == NULL) {\r | |
4417 | return EFI_OUT_OF_RESOURCES;\r | |
4418 | }\r | |
4419 | \r | |
488aab25 | 4420 | GetBrowserDataResult = HiiGetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *) IfrNvData);\r |
beda2356 | 4421 | \r |
a365eed4 FS |
4422 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
4423 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
02dd6af9 CZ |
4424 | //\r |
4425 | // Update secure boot strings when opening this form\r | |
4426 | //\r | |
4427 | Status = UpdateSecureBootString(Private);\r | |
4de754e1 | 4428 | SecureBootExtractConfigFromVariable (Private, IfrNvData);\r |
a365eed4 | 4429 | mIsEnterSecureBootForm = TRUE;\r |
4de754e1 ZC |
4430 | } else {\r |
4431 | //\r | |
4432 | // When entering SecureBoot OPTION Form\r | |
4433 | // always close opened file & free resource\r | |
4434 | //\r | |
4435 | if ((QuestionId == KEY_SECURE_BOOT_PK_OPTION) ||\r | |
4436 | (QuestionId == KEY_SECURE_BOOT_KEK_OPTION) ||\r | |
4437 | (QuestionId == KEY_SECURE_BOOT_DB_OPTION) ||\r | |
4438 | (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) ||\r | |
4439 | (QuestionId == KEY_SECURE_BOOT_DBT_OPTION)) {\r | |
4440 | CloseEnrolledFile(Private->FileContext);\r | |
85974aef | 4441 | } else if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_LIST) {\r |
4442 | //\r | |
4443 | // Update ListCount field in varstore\r | |
4444 | // Button "Delete All Signature List" is\r | |
4445 | // enable when ListCount is greater than 0.\r | |
4446 | //\r | |
4447 | IfrNvData->ListCount = Private->ListCount;\r | |
4de754e1 | 4448 | }\r |
a365eed4 | 4449 | }\r |
96832eef | 4450 | goto EXIT;\r |
a365eed4 | 4451 | }\r |
20333c6d | 4452 | \r |
a365eed4 FS |
4453 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r |
4454 | Status = EFI_UNSUPPORTED;\r | |
4455 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
4456 | if (mIsEnterSecureBootForm) {\r | |
4457 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
4458 | Status = EFI_SUCCESS;\r | |
4459 | }\r | |
b3548d32 | 4460 | }\r |
96832eef | 4461 | goto EXIT;\r |
a365eed4 | 4462 | }\r |
20333c6d | 4463 | \r |
f71ed839 | 4464 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
4465 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 4466 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
4467 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD)) {\r | |
96832eef CZ |
4468 | Status = EFI_UNSUPPORTED;\r |
4469 | goto EXIT;\r | |
beda2356 | 4470 | }\r |
bc0c99b3 | 4471 | \r |
ecc722ad | 4472 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r |
4473 | \r | |
4474 | switch (QuestionId) {\r | |
4475 | case KEY_SECURE_BOOT_ENABLE:\r | |
f01b91ae | 4476 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
bf4a3dbd | 4477 | if (NULL != SecureBootEnable) {\r |
f71ed839 | 4478 | FreePool (SecureBootEnable);\r |
ecc722ad | 4479 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r |
4480 | CreatePopUp (\r | |
4481 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4482 | &Key,\r | |
4483 | L"Only Physical Presence User could disable secure boot!",\r | |
4484 | NULL\r | |
4485 | );\r | |
4486 | Status = EFI_UNSUPPORTED;\r | |
0357efe3 | 4487 | } else {\r |
4488 | CreatePopUp (\r | |
4489 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4490 | &Key,\r | |
f71ed839 | 4491 | L"Configuration changed, please reset the platform to take effect!",\r |
0357efe3 | 4492 | NULL\r |
4493 | );\r | |
ecc722ad | 4494 | }\r |
ecc722ad | 4495 | }\r |
4496 | break;\r | |
4497 | \r | |
ecc722ad | 4498 | case KEY_SECURE_BOOT_KEK_OPTION:\r |
4499 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
4500 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
20333c6d | 4501 | case KEY_SECURE_BOOT_DBT_OPTION:\r |
4de754e1 | 4502 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
ecc722ad | 4503 | //\r |
4504 | // Clear Signature GUID.\r | |
4505 | //\r | |
4506 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
4507 | if (Private->SignatureGUID == NULL) {\r | |
4508 | Private->SignatureGUID = (EFI_GUID *) AllocateZeroPool (sizeof (EFI_GUID));\r | |
4509 | if (Private->SignatureGUID == NULL) {\r | |
4510 | return EFI_OUT_OF_RESOURCES;\r | |
4511 | }\r | |
4512 | }\r | |
beda2356 | 4513 | \r |
4de754e1 ZC |
4514 | //\r |
4515 | // Cleanup VFRData once leaving PK/KEK/DB/DBX/DBT enroll/delete page\r | |
4516 | //\r | |
4517 | SecureBootExtractConfigFromVariable (PrivateData, IfrNvData);\r | |
4518 | \r | |
ecc722ad | 4519 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r |
4520 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
4521 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
4522 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
20333c6d QL |
4523 | } else if (QuestionId == KEY_SECURE_BOOT_DBT_OPTION) {\r |
4524 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;\r | |
ecc722ad | 4525 | } else {\r |
4526 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
4527 | }\r | |
4528 | \r | |
4529 | //\r | |
4530 | // Refresh selected file.\r | |
4531 | //\r | |
20333c6d | 4532 | CleanUpPage (LabelId, Private);\r |
ecc722ad | 4533 | break;\r |
762d8ddb DB |
4534 | case KEY_SECURE_BOOT_PK_OPTION:\r |
4535 | LabelId = FORMID_ENROLL_PK_FORM;\r | |
4536 | //\r | |
4537 | // Refresh selected file.\r | |
4538 | //\r | |
4539 | CleanUpPage (LabelId, Private);\r | |
4540 | break;\r | |
4541 | \r | |
4542 | case FORMID_ENROLL_PK_FORM:\r | |
d6224153 | 4543 | ChooseFile (NULL, NULL, UpdatePKFromFile, &File);\r |
762d8ddb | 4544 | break;\r |
20333c6d | 4545 | \r |
ecc722ad | 4546 | case FORMID_ENROLL_KEK_FORM:\r |
d6224153 | 4547 | ChooseFile (NULL, NULL, UpdateKEKFromFile, &File);\r |
762d8ddb DB |
4548 | break;\r |
4549 | \r | |
ecc722ad | 4550 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r |
d6224153 | 4551 | ChooseFile (NULL, NULL, UpdateDBFromFile, &File);\r |
762d8ddb DB |
4552 | break;\r |
4553 | \r | |
ecc722ad | 4554 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r |
d6224153 | 4555 | ChooseFile (NULL, NULL, UpdateDBXFromFile, &File);\r |
4de754e1 ZC |
4556 | \r |
4557 | if (Private->FileContext->FHandle != NULL) {\r | |
4558 | //\r | |
4559 | // Parse the file's postfix.\r | |
4560 | //\r | |
4561 | NameLength = StrLen (Private->FileContext->FileName);\r | |
4562 | if (NameLength <= 4) {\r | |
4563 | return FALSE;\r | |
4564 | }\r | |
4565 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
4566 | \r | |
4567 | if (IsDerEncodeCertificate (FilePostFix)) {\r | |
4568 | //\r | |
4569 | // Supports DER-encoded X509 certificate.\r | |
4570 | //\r | |
4571 | IfrNvData->FileEnrollType = X509_CERT_FILE_TYPE;\r | |
4572 | } else if (IsAuthentication2Format(Private->FileContext->FHandle)){\r | |
4573 | IfrNvData->FileEnrollType = AUTHENTICATION_2_FILE_TYPE;\r | |
4574 | } else {\r | |
4575 | IfrNvData->FileEnrollType = PE_IMAGE_FILE_TYPE;\r | |
4576 | }\r | |
4577 | Private->FileContext->FileType = IfrNvData->FileEnrollType;\r | |
4578 | \r | |
4579 | //\r | |
4580 | // Clean up Certificate Format if File type is not X509 DER\r | |
4581 | //\r | |
4582 | if (IfrNvData->FileEnrollType != X509_CERT_FILE_TYPE) {\r | |
4583 | IfrNvData->CertificateFormat = HASHALG_RAW;\r | |
4584 | }\r | |
4585 | DEBUG((DEBUG_ERROR, "IfrNvData->FileEnrollType %d\n", Private->FileContext->FileType));\r | |
4586 | }\r | |
4587 | \r | |
762d8ddb | 4588 | break;\r |
ecc722ad | 4589 | \r |
762d8ddb | 4590 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBT:\r |
d6224153 | 4591 | ChooseFile (NULL, NULL, UpdateDBTFromFile, &File);\r |
ecc722ad | 4592 | break;\r |
4593 | \r | |
20333c6d | 4594 | case KEY_SECURE_BOOT_DELETE_PK:\r |
f71ed839 | 4595 | if (Value->u8) {\r |
4596 | CreatePopUp (\r | |
4597 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4598 | &Key,\r | |
4599 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
4600 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
4601 | NULL\r | |
4602 | );\r | |
4603 | if (Key.UnicodeChar == 'y' || Key.UnicodeChar == 'Y') {\r | |
ecc722ad | 4604 | Status = DeletePlatformKey ();\r |
f71ed839 | 4605 | if (EFI_ERROR (Status)) {\r |
4606 | CreatePopUp (\r | |
4607 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4608 | &Key,\r | |
4609 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
4610 | NULL\r | |
4611 | );\r | |
4612 | }\r | |
ecc722ad | 4613 | }\r |
f71ed839 | 4614 | }\r |
ecc722ad | 4615 | break;\r |
4616 | \r | |
4617 | case KEY_DELETE_KEK:\r | |
4618 | UpdateDeletePage (\r | |
20333c6d | 4619 | Private,\r |
ecc722ad | 4620 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
4621 | &gEfiGlobalVariableGuid,\r | |
4622 | LABEL_KEK_DELETE,\r | |
4623 | FORMID_DELETE_KEK_FORM,\r | |
20333c6d | 4624 | OPTION_DEL_KEK_QUESTION_ID\r |
ecc722ad | 4625 | );\r |
4626 | break;\r | |
4627 | \r | |
20333c6d | 4628 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB:\r |
ecc722ad | 4629 | UpdateDeletePage (\r |
4630 | Private,\r | |
4631 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4632 | &gEfiImageSecurityDatabaseGuid,\r | |
4633 | LABEL_DB_DELETE,\r | |
4634 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
4635 | OPTION_DEL_DB_QUESTION_ID\r | |
4636 | );\r | |
4637 | break;\r | |
4638 | \r | |
85974aef | 4639 | //\r |
4640 | // From DBX option to the level-1 form, display signature list.\r | |
4641 | //\r | |
4642 | case KEY_VALUE_FROM_DBX_TO_LIST_FORM:\r | |
0085d619 | 4643 | Private->VariableName = Variable_DBX;\r |
85974aef | 4644 | LoadSignatureList (\r |
ecc722ad | 4645 | Private,\r |
85974aef | 4646 | LABEL_SIGNATURE_LIST_START,\r |
4647 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4648 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4649 | );\r | |
4650 | break;\r | |
4651 | \r | |
4652 | //\r | |
4653 | // Delete all signature list and reload.\r | |
4654 | //\r | |
4655 | case KEY_SECURE_BOOT_DELETE_ALL_LIST:\r | |
4656 | CreatePopUp(\r | |
4657 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4658 | &Key,\r | |
4659 | L"Press 'Y' to delete signature list.",\r | |
4660 | L"Press other key to cancel and exit.",\r | |
4661 | NULL\r | |
4662 | );\r | |
4663 | \r | |
4664 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4665 | DeleteSignatureEx (Private, Delete_Signature_List_All, IfrNvData->CheckedDataCount);\r |
85974aef | 4666 | }\r |
4667 | \r | |
4668 | LoadSignatureList (\r | |
4669 | Private,\r | |
4670 | LABEL_SIGNATURE_LIST_START,\r | |
4671 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4672 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4673 | );\r | |
4674 | break;\r | |
ecc722ad | 4675 | \r |
85974aef | 4676 | //\r |
4677 | // Delete one signature list and reload.\r | |
4678 | //\r | |
4679 | case KEY_SECURE_BOOT_DELETE_ALL_DATA:\r | |
4680 | CreatePopUp(\r | |
4681 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4682 | &Key,\r | |
4683 | L"Press 'Y' to delete signature data.",\r | |
4684 | L"Press other key to cancel and exit.",\r | |
4685 | NULL\r | |
4686 | );\r | |
4687 | \r | |
4688 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4689 | DeleteSignatureEx (Private, Delete_Signature_List_One, IfrNvData->CheckedDataCount);\r |
85974aef | 4690 | }\r |
4691 | \r | |
4692 | LoadSignatureList (\r | |
4693 | Private,\r | |
4694 | LABEL_SIGNATURE_LIST_START,\r | |
4695 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4696 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4697 | );\r | |
4698 | break;\r | |
4699 | \r | |
4700 | //\r | |
4701 | // Delete checked signature data and reload.\r | |
4702 | //\r | |
4703 | case KEY_SECURE_BOOT_DELETE_CHECK_DATA:\r | |
4704 | CreatePopUp(\r | |
4705 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4706 | &Key,\r | |
4707 | L"Press 'Y' to delete signature data.",\r | |
4708 | L"Press other key to cancel and exit.",\r | |
4709 | NULL\r | |
4710 | );\r | |
4711 | \r | |
4712 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4713 | DeleteSignatureEx (Private, Delete_Signature_Data, IfrNvData->CheckedDataCount);\r |
85974aef | 4714 | }\r |
4715 | \r | |
4716 | LoadSignatureList (\r | |
4717 | Private,\r | |
4718 | LABEL_SIGNATURE_LIST_START,\r | |
4719 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4720 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4721 | );\r | |
ecc722ad | 4722 | break;\r |
4723 | \r | |
20333c6d QL |
4724 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBT:\r |
4725 | UpdateDeletePage (\r | |
4726 | Private,\r | |
4727 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4728 | &gEfiImageSecurityDatabaseGuid,\r | |
4729 | LABEL_DBT_DELETE,\r | |
4730 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
4731 | OPTION_DEL_DBT_QUESTION_ID\r | |
4732 | );\r | |
4733 | \r | |
4734 | break;\r | |
4735 | \r | |
ecc722ad | 4736 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r |
4737 | Status = EnrollKeyExchangeKey (Private);\r | |
ee79ac8d | 4738 | if (EFI_ERROR (Status)) {\r |
4739 | CreatePopUp (\r | |
4740 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4741 | &Key,\r | |
4742 | L"ERROR: Unsupported file type!",\r | |
4743 | L"Only supports DER-encoded X509 certificate",\r | |
4744 | NULL\r | |
4745 | );\r | |
4746 | }\r | |
ecc722ad | 4747 | break;\r |
4748 | \r | |
4749 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
4750 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
ee79ac8d | 4751 | if (EFI_ERROR (Status)) {\r |
4752 | CreatePopUp (\r | |
4753 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4754 | &Key,\r | |
4755 | L"ERROR: Unsupported file type!",\r | |
4756 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
4757 | NULL\r | |
4758 | );\r | |
4759 | }\r | |
ecc722ad | 4760 | break;\r |
4761 | \r | |
4762 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
20333c6d QL |
4763 | if (IsX509CertInDbx (Private, EFI_IMAGE_SECURITY_DATABASE1)) {\r |
4764 | CreatePopUp (\r | |
4765 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4766 | &Key,\r | |
4767 | L"Enrollment failed! Same certificate had already been in the dbx!",\r | |
4768 | NULL\r | |
4769 | );\r | |
4de754e1 ZC |
4770 | \r |
4771 | //\r | |
4772 | // Cert already exists in DBX. Close opened file before exit.\r | |
4773 | //\r | |
4774 | CloseEnrolledFile(Private->FileContext);\r | |
4775 | break;\r | |
20333c6d QL |
4776 | }\r |
4777 | \r | |
4778 | if ((IfrNvData != NULL) && (IfrNvData->CertificateFormat < HASHALG_MAX)) {\r | |
4779 | Status = EnrollX509HashtoSigDB (\r | |
4780 | Private,\r | |
4781 | IfrNvData->CertificateFormat,\r | |
4782 | &IfrNvData->RevocationDate,\r | |
4783 | &IfrNvData->RevocationTime,\r | |
4784 | IfrNvData->AlwaysRevocation\r | |
4785 | );\r | |
4de754e1 | 4786 | IfrNvData->CertificateFormat = HASHALG_RAW;\r |
20333c6d QL |
4787 | } else {\r |
4788 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
4789 | }\r | |
ee79ac8d | 4790 | if (EFI_ERROR (Status)) {\r |
4791 | CreatePopUp (\r | |
4792 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4793 | &Key,\r | |
4794 | L"ERROR: Unsupported file type!",\r | |
4de754e1 | 4795 | L"Only supports DER-encoded X509 certificate, AUTH_2 format data & executable EFI image",\r |
ee79ac8d | 4796 | NULL\r |
4797 | );\r | |
4798 | }\r | |
ecc722ad | 4799 | break;\r |
4800 | \r | |
20333c6d QL |
4801 | case KEY_VALUE_SAVE_AND_EXIT_DBT:\r |
4802 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE2);\r | |
4803 | if (EFI_ERROR (Status)) {\r | |
4804 | CreatePopUp (\r | |
4805 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4806 | &Key,\r | |
4807 | L"ERROR: Unsupported file type!",\r | |
4808 | L"Only supports DER-encoded X509 certificate.",\r | |
4809 | NULL\r | |
4810 | );\r | |
4811 | }\r | |
4812 | break;\r | |
762d8ddb | 4813 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r |
5396354b JG |
4814 | //\r |
4815 | // Check the suffix, encode type and the key strength of PK certificate.\r | |
4816 | //\r | |
4817 | Status = CheckX509Certificate (Private->FileContext, &EnrollKeyErrorCode);\r | |
4818 | if (EFI_ERROR (Status)) {\r | |
4819 | if (EnrollKeyErrorCode != None_Error && EnrollKeyErrorCode < Enroll_Error_Max) {\r | |
4820 | CreatePopUp (\r | |
4821 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4822 | &Key,\r | |
4823 | mX509EnrollPromptTitle[EnrollKeyErrorCode],\r | |
4824 | mX509EnrollPromptString[EnrollKeyErrorCode],\r | |
4825 | NULL\r | |
4826 | );\r | |
4827 | break;\r | |
4828 | }\r | |
4829 | } else {\r | |
4830 | Status = EnrollPlatformKey (Private);\r | |
4831 | }\r | |
762d8ddb DB |
4832 | if (EFI_ERROR (Status)) {\r |
4833 | UnicodeSPrint (\r | |
4834 | PromptString,\r | |
4835 | sizeof (PromptString),\r | |
5396354b JG |
4836 | L"Error status: %x.",\r |
4837 | Status\r | |
762d8ddb DB |
4838 | );\r |
4839 | CreatePopUp (\r | |
4840 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4841 | &Key,\r | |
5396354b | 4842 | L"ERROR: Enrollment failed!",\r |
762d8ddb DB |
4843 | PromptString,\r |
4844 | NULL\r | |
4845 | );\r | |
4846 | }\r | |
4847 | break;\r | |
ecc722ad | 4848 | default:\r |
762d8ddb | 4849 | if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r |
ecc722ad | 4850 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r |
4851 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
4852 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
4853 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4854 | DeleteSignature (\r | |
4855 | Private,\r | |
4856 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4857 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 4858 | LABEL_DB_DELETE,\r |
ecc722ad | 4859 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r |
4860 | OPTION_DEL_DB_QUESTION_ID,\r | |
4861 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
4862 | );\r | |
85974aef | 4863 | } else if ((QuestionId >= OPTION_SIGNATURE_LIST_QUESTION_ID) &&\r |
4864 | (QuestionId < (OPTION_SIGNATURE_LIST_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4865 | LoadSignatureData (\r | |
ecc722ad | 4866 | Private,\r |
85974aef | 4867 | LABEL_SIGNATURE_DATA_START,\r |
4868 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
4869 | OPTION_SIGNATURE_DATA_QUESTION_ID,\r | |
4870 | QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4871 | );\r | |
4872 | Private->ListIndex = QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID;\r | |
4873 | } else if ((QuestionId >= OPTION_SIGNATURE_DATA_QUESTION_ID) &&\r | |
4874 | (QuestionId < (OPTION_SIGNATURE_DATA_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4875 | if (Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID]) {\r | |
4876 | IfrNvData->CheckedDataCount--;\r | |
4877 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = FALSE;\r | |
4878 | } else {\r | |
4879 | IfrNvData->CheckedDataCount++;\r | |
4880 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = TRUE;\r | |
4881 | }\r | |
20333c6d QL |
4882 | } else if ((QuestionId >= OPTION_DEL_DBT_QUESTION_ID) &&\r |
4883 | (QuestionId < (OPTION_DEL_DBT_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4884 | DeleteSignature (\r | |
4885 | Private,\r | |
4886 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4887 | &gEfiImageSecurityDatabaseGuid,\r | |
4888 | LABEL_DBT_DELETE,\r | |
4889 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
4890 | OPTION_DEL_DBT_QUESTION_ID,\r | |
4891 | QuestionId - OPTION_DEL_DBT_QUESTION_ID\r | |
4892 | );\r | |
ecc722ad | 4893 | }\r |
4894 | break;\r | |
ecc722ad | 4895 | \r |
4896 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
4897 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
4898 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
4899 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
20333c6d | 4900 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBT:\r |
4de754e1 | 4901 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d | 4902 | \r |
ecc722ad | 4903 | if (Private->SignatureGUID != NULL) {\r |
4904 | FreePool (Private->SignatureGUID);\r | |
4905 | Private->SignatureGUID = NULL;\r | |
4906 | }\r | |
ecc722ad | 4907 | break;\r |
762d8ddb DB |
4908 | }\r |
4909 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
4910 | switch (QuestionId) {\r | |
4911 | case KEY_SECURE_BOOT_ENABLE:\r | |
4912 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4913 | break;\r | |
ecc722ad | 4914 | case KEY_SECURE_BOOT_MODE:\r |
a365eed4 | 4915 | mIsEnterSecureBootForm = FALSE;\r |
ecc722ad | 4916 | break;\r |
ecc722ad | 4917 | case KEY_SECURE_BOOT_KEK_GUID:\r |
4918 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
4919 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
20333c6d | 4920 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBT:\r |
ecc722ad | 4921 | ASSERT (Private->SignatureGUID != NULL);\r |
2a085774 RN |
4922 | RStatus = StrToGuid (IfrNvData->SignatureGuid, Private->SignatureGUID);\r |
4923 | if (RETURN_ERROR (RStatus) || (IfrNvData->SignatureGuid[GUID_STRING_LENGTH] != L'\0')) {\r | |
4924 | Status = EFI_INVALID_PARAMETER;\r | |
ecc722ad | 4925 | break;\r |
4926 | }\r | |
4927 | \r | |
4928 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4929 | break;\r | |
ecc722ad | 4930 | case KEY_SECURE_BOOT_DELETE_PK:\r |
12087ff6 ZC |
4931 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
4932 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
f71ed839 | 4933 | IfrNvData->DeletePk = TRUE;\r |
4934 | IfrNvData->HasPk = FALSE;\r | |
ecc722ad | 4935 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r |
f71ed839 | 4936 | } else {\r |
4937 | IfrNvData->DeletePk = FALSE;\r | |
4938 | IfrNvData->HasPk = TRUE;\r | |
4939 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4940 | }\r | |
12087ff6 ZC |
4941 | if (SetupMode != NULL) {\r |
4942 | FreePool (SetupMode);\r | |
4943 | }\r | |
c93bcb7e ED |
4944 | break;\r |
4945 | default:\r | |
c93bcb7e | 4946 | break;\r |
ecc722ad | 4947 | }\r |
a2f2c258 | 4948 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
4949 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
126f3b1d ZC |
4950 | GetVariable2 (EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid, (VOID**)&Pk, NULL);\r |
4951 | if (Pk == NULL) {\r | |
a2f2c258 | 4952 | IfrNvData->HideSecureBoot = TRUE;\r |
4953 | } else {\r | |
126f3b1d | 4954 | FreePool (Pk);\r |
a2f2c258 | 4955 | IfrNvData->HideSecureBoot = FALSE;\r |
4956 | }\r | |
4957 | Value->b = IfrNvData->HideSecureBoot;\r | |
4958 | }\r | |
f71ed839 | 4959 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
4960 | //\r | |
4961 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
4962 | //\r | |
4963 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
4964 | if (NULL != SecureBootMode && *SecureBootMode == CUSTOM_SECURE_BOOT_MODE) {\r | |
4965 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
4966 | SetSecureBootMode(STANDARD_SECURE_BOOT_MODE);\r | |
4967 | }\r | |
4968 | if (SecureBootMode != NULL) {\r | |
4969 | FreePool (SecureBootMode);\r | |
4970 | }\r | |
85974aef | 4971 | \r |
4972 | if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_DATA) {\r | |
4973 | //\r | |
4974 | // Free memory when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
4975 | //\r | |
4976 | SECUREBOOT_FREE_NON_NULL (Private->CheckArray);\r | |
4977 | IfrNvData->CheckedDataCount = 0;\r | |
4978 | }\r | |
ecc722ad | 4979 | }\r |
20333c6d | 4980 | \r |
96832eef CZ |
4981 | EXIT:\r |
4982 | \r | |
488aab25 | 4983 | if (!EFI_ERROR (Status) && GetBrowserDataResult) {\r |
ecc722ad | 4984 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
742d9b3a | 4985 | HiiSetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8*) IfrNvData, NULL);\r |
ecc722ad | 4986 | }\r |
96832eef | 4987 | \r |
ecc722ad | 4988 | FreePool (IfrNvData);\r |
20333c6d | 4989 | \r |
762d8ddb DB |
4990 | if (File != NULL){\r |
4991 | FreePool(File);\r | |
4992 | File = NULL;\r | |
4993 | }\r | |
4994 | \r | |
ecc722ad | 4995 | return EFI_SUCCESS;\r |
beda2356 | 4996 | }\r |
4997 | \r | |
4998 | /**\r | |
4999 | This function publish the SecureBoot configuration Form.\r | |
5000 | \r | |
5001 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
5002 | \r | |
ecc722ad | 5003 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 5004 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
5005 | @retval Others Other errors as indicated.\r | |
5006 | \r | |
5007 | **/\r | |
5008 | EFI_STATUS\r | |
5009 | InstallSecureBootConfigForm (\r | |
5010 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
5011 | )\r | |
5012 | {\r | |
5013 | EFI_STATUS Status;\r | |
5014 | EFI_HII_HANDLE HiiHandle;\r | |
5015 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 5016 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
5017 | \r | |
5018 | DriverHandle = NULL;\r | |
5019 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
5020 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
5021 | &DriverHandle,\r | |
5022 | &gEfiDevicePathProtocolGuid,\r | |
5023 | &mSecureBootHiiVendorDevicePath,\r | |
5024 | &gEfiHiiConfigAccessProtocolGuid,\r | |
5025 | ConfigAccess,\r | |
5026 | NULL\r | |
5027 | );\r | |
5028 | if (EFI_ERROR (Status)) {\r | |
5029 | return Status;\r | |
5030 | }\r | |
5031 | \r | |
5032 | PrivateData->DriverHandle = DriverHandle;\r | |
5033 | \r | |
5034 | //\r | |
5035 | // Publish the HII package list\r | |
5036 | //\r | |
5037 | HiiHandle = HiiAddPackages (\r | |
5038 | &gSecureBootConfigFormSetGuid,\r | |
5039 | DriverHandle,\r | |
5040 | SecureBootConfigDxeStrings,\r | |
5041 | SecureBootConfigBin,\r | |
5042 | NULL\r | |
5043 | );\r | |
5044 | if (HiiHandle == NULL) {\r | |
5045 | gBS->UninstallMultipleProtocolInterfaces (\r | |
5046 | DriverHandle,\r | |
5047 | &gEfiDevicePathProtocolGuid,\r | |
5048 | &mSecureBootHiiVendorDevicePath,\r | |
5049 | &gEfiHiiConfigAccessProtocolGuid,\r | |
5050 | ConfigAccess,\r | |
5051 | NULL\r | |
bc0c99b3 | 5052 | );\r |
beda2356 | 5053 | return EFI_OUT_OF_RESOURCES;\r |
5054 | }\r | |
bc0c99b3 | 5055 | \r |
beda2356 | 5056 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 5057 | \r |
5058 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
20333c6d | 5059 | \r |
762d8ddb | 5060 | if (PrivateData->FileContext == NULL) {\r |
ecc722ad | 5061 | UninstallSecureBootConfigForm (PrivateData);\r |
5062 | return EFI_OUT_OF_RESOURCES;\r | |
5063 | }\r | |
20333c6d | 5064 | \r |
ecc722ad | 5065 | //\r |
5066 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
5067 | //\r | |
5068 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
5069 | if (mStartOpCodeHandle == NULL) {\r | |
5070 | UninstallSecureBootConfigForm (PrivateData);\r | |
5071 | return EFI_OUT_OF_RESOURCES;\r | |
5072 | }\r | |
5073 | \r | |
5074 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
5075 | if (mEndOpCodeHandle == NULL) {\r | |
5076 | UninstallSecureBootConfigForm (PrivateData);\r | |
5077 | return EFI_OUT_OF_RESOURCES;\r | |
5078 | }\r | |
5079 | \r | |
5080 | //\r | |
5081 | // Create Hii Extend Label OpCode as the start opcode\r | |
5082 | //\r | |
5083 | mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
5084 | mStartOpCodeHandle,\r | |
5085 | &gEfiIfrTianoGuid,\r | |
5086 | NULL,\r | |
5087 | sizeof (EFI_IFR_GUID_LABEL)\r | |
5088 | );\r | |
5089 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
5090 | \r | |
5091 | //\r | |
5092 | // Create Hii Extend Label OpCode as the end opcode\r | |
5093 | //\r | |
5094 | mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
5095 | mEndOpCodeHandle,\r | |
5096 | &gEfiIfrTianoGuid,\r | |
5097 | NULL,\r | |
5098 | sizeof (EFI_IFR_GUID_LABEL)\r | |
5099 | );\r | |
5100 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
5101 | mEndLabel->Number = LABEL_END;\r | |
20333c6d | 5102 | \r |
bc0c99b3 | 5103 | return EFI_SUCCESS;\r |
beda2356 | 5104 | }\r |
5105 | \r | |
5106 | /**\r | |
5107 | This function removes SecureBoot configuration Form.\r | |
5108 | \r | |
5109 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
5110 | \r | |
5111 | **/\r | |
5112 | VOID\r | |
5113 | UninstallSecureBootConfigForm (\r | |
5114 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
5115 | )\r | |
5116 | {\r | |
5117 | //\r | |
5118 | // Uninstall HII package list\r | |
5119 | //\r | |
5120 | if (PrivateData->HiiHandle != NULL) {\r | |
5121 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
5122 | PrivateData->HiiHandle = NULL;\r | |
5123 | }\r | |
5124 | \r | |
5125 | //\r | |
5126 | // Uninstall HII Config Access Protocol\r | |
5127 | //\r | |
5128 | if (PrivateData->DriverHandle != NULL) {\r | |
5129 | gBS->UninstallMultipleProtocolInterfaces (\r | |
5130 | PrivateData->DriverHandle,\r | |
5131 | &gEfiDevicePathProtocolGuid,\r | |
5132 | &mSecureBootHiiVendorDevicePath,\r | |
5133 | &gEfiHiiConfigAccessProtocolGuid,\r | |
5134 | &PrivateData->ConfigAccess,\r | |
5135 | NULL\r | |
5136 | );\r | |
5137 | PrivateData->DriverHandle = NULL;\r | |
5138 | }\r | |
bc0c99b3 | 5139 | \r |
ecc722ad | 5140 | if (PrivateData->SignatureGUID != NULL) {\r |
5141 | FreePool (PrivateData->SignatureGUID);\r | |
5142 | }\r | |
5143 | \r | |
ecc722ad | 5144 | if (PrivateData->FileContext != NULL) {\r |
5145 | FreePool (PrivateData->FileContext);\r | |
5146 | }\r | |
5147 | \r | |
beda2356 | 5148 | FreePool (PrivateData);\r |
ecc722ad | 5149 | \r |
ecc722ad | 5150 | if (mStartOpCodeHandle != NULL) {\r |
5151 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
5152 | }\r | |
5153 | \r | |
5154 | if (mEndOpCodeHandle != NULL) {\r | |
5155 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
5156 | }\r | |
beda2356 | 5157 | }\r |