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beda2356 | 1 | /** @file\r |
2 | HII Config Access protocol implementation of SecureBoot configuration module.\r | |
3 | \r | |
c035e373 | 4 | Copyright (c) 2011 - 2017, Intel Corporation. All rights reserved.<BR>\r |
bc0c99b3 | 5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
beda2356 | 8 | http://opensource.org/licenses/bsd-license.php\r |
9 | \r | |
bc0c99b3 | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
beda2356 | 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "SecureBootConfigImpl.h"\r | |
85974aef | 16 | #include <Library/BaseCryptLib.h>\r |
beda2356 | 17 | \r |
ecc722ad | 18 | CHAR16 mSecureBootStorageName[] = L"SECUREBOOT_CONFIGURATION";\r |
beda2356 | 19 | \r |
20 | SECUREBOOT_CONFIG_PRIVATE_DATA mSecureBootConfigPrivateDateTemplate = {\r | |
20333c6d | 21 | SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE,\r |
beda2356 | 22 | {\r |
23 | SecureBootExtractConfig,\r | |
24 | SecureBootRouteConfig,\r | |
25 | SecureBootCallback\r | |
26 | }\r | |
27 | };\r | |
28 | \r | |
29 | HII_VENDOR_DEVICE_PATH mSecureBootHiiVendorDevicePath = {\r | |
30 | {\r | |
31 | {\r | |
32 | HARDWARE_DEVICE_PATH,\r | |
33 | HW_VENDOR_DP,\r | |
34 | {\r | |
35 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
36 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
37 | }\r | |
38 | },\r | |
39 | SECUREBOOT_CONFIG_FORM_SET_GUID\r | |
40 | },\r | |
41 | {\r | |
42 | END_DEVICE_PATH_TYPE,\r | |
43 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
bc0c99b3 | 44 | {\r |
beda2356 | 45 | (UINT8) (END_DEVICE_PATH_LENGTH),\r |
46 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
47 | }\r | |
48 | }\r | |
49 | };\r | |
50 | \r | |
ecc722ad | 51 | \r |
a365eed4 FS |
52 | BOOLEAN mIsEnterSecureBootForm = FALSE;\r |
53 | \r | |
ecc722ad | 54 | //\r |
55 | // OID ASN.1 Value for Hash Algorithms\r | |
56 | //\r | |
57 | UINT8 mHashOidValue[] = {\r | |
58 | 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, // OBJ_md5\r | |
59 | 0x2B, 0x0E, 0x03, 0x02, 0x1A, // OBJ_sha1\r | |
60 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, // OBJ_sha224\r | |
61 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, // OBJ_sha256\r | |
62 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, // OBJ_sha384\r | |
63 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, // OBJ_sha512\r | |
64 | };\r | |
65 | \r | |
66 | HASH_TABLE mHash[] = {\r | |
20333c6d QL |
67 | { L"SHA224", 28, &mHashOidValue[13], 9, NULL, NULL, NULL, NULL },\r |
68 | { L"SHA256", 32, &mHashOidValue[22], 9, Sha256GetContextSize, Sha256Init, Sha256Update, Sha256Final},\r | |
69 | { L"SHA384", 48, &mHashOidValue[31], 9, Sha384GetContextSize, Sha384Init, Sha384Update, Sha384Final},\r | |
70 | { L"SHA512", 64, &mHashOidValue[40], 9, Sha512GetContextSize, Sha512Init, Sha512Update, Sha512Final}\r | |
ecc722ad | 71 | };\r |
72 | \r | |
e4d7370d | 73 | //\r |
20333c6d QL |
74 | // Variable Definitions\r |
75 | //\r | |
ecc722ad | 76 | UINT32 mPeCoffHeaderOffset = 0;\r |
77 | WIN_CERTIFICATE *mCertificate = NULL;\r | |
78 | IMAGE_TYPE mImageType;\r | |
79 | UINT8 *mImageBase = NULL;\r | |
80 | UINTN mImageSize = 0;\r | |
81 | UINT8 mImageDigest[MAX_DIGEST_SIZE];\r | |
82 | UINTN mImageDigestSize;\r | |
83 | EFI_GUID mCertType;\r | |
84 | EFI_IMAGE_SECURITY_DATA_DIRECTORY *mSecDataDir = NULL;\r | |
85 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION mNtHeader;\r | |
86 | \r | |
e4d7370d | 87 | //\r |
88 | // Possible DER-encoded certificate file suffixes, end with NULL pointer.\r | |
89 | //\r | |
90 | CHAR16* mDerEncodedSuffix[] = {\r | |
91 | L".cer",\r | |
92 | L".der",\r | |
93 | L".crt",\r | |
94 | NULL\r | |
95 | };\r | |
96 | CHAR16* mSupportX509Suffix = L"*.cer/der/crt";\r | |
97 | \r | |
762d8ddb DB |
98 | SECUREBOOT_CONFIG_PRIVATE_DATA *gSecureBootPrivateData = NULL;\r |
99 | \r | |
4de754e1 ZC |
100 | /**\r |
101 | This code cleans up enrolled file by closing file & free related resources attached to\r | |
9d9b8b77 | 102 | enrolled file.\r |
4de754e1 | 103 | \r |
9d9b8b77 | 104 | @param[in] FileContext FileContext cached in SecureBootConfig driver\r |
4de754e1 ZC |
105 | \r |
106 | **/\r | |
4de754e1 ZC |
107 | VOID\r |
108 | CloseEnrolledFile(\r | |
109 | IN SECUREBOOT_FILE_CONTEXT *FileContext\r | |
110 | )\r | |
111 | {\r | |
112 | if (FileContext->FHandle != NULL) {\r | |
113 | CloseFile (FileContext->FHandle);\r | |
114 | FileContext->FHandle = NULL;\r | |
115 | }\r | |
116 | \r | |
117 | if (FileContext->FileName != NULL){\r | |
118 | FreePool(FileContext->FileName);\r | |
119 | FileContext->FileName = NULL;\r | |
120 | }\r | |
121 | FileContext->FileType = UNKNOWN_FILE_TYPE;\r | |
122 | \r | |
123 | }\r | |
124 | \r | |
e4d7370d | 125 | /**\r |
126 | This code checks if the FileSuffix is one of the possible DER-encoded certificate suffix.\r | |
127 | \r | |
128 | @param[in] FileSuffix The suffix of the input certificate file\r | |
129 | \r | |
130 | @retval TRUE It's a DER-encoded certificate.\r | |
131 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
132 | \r | |
133 | **/\r | |
134 | BOOLEAN\r | |
135 | IsDerEncodeCertificate (\r | |
136 | IN CONST CHAR16 *FileSuffix\r | |
137 | )\r | |
138 | {\r | |
20333c6d | 139 | UINTN Index;\r |
e4d7370d | 140 | for (Index = 0; mDerEncodedSuffix[Index] != NULL; Index++) {\r |
141 | if (StrCmp (FileSuffix, mDerEncodedSuffix[Index]) == 0) {\r | |
142 | return TRUE;\r | |
143 | }\r | |
144 | }\r | |
145 | return FALSE;\r | |
146 | }\r | |
ecc722ad | 147 | \r |
4de754e1 ZC |
148 | /**\r |
149 | This code checks if the file content complies with EFI_VARIABLE_AUTHENTICATION_2 format\r | |
150 | The function reads file content but won't open/close given FileHandle.\r | |
151 | \r | |
152 | @param[in] FileHandle The FileHandle to be checked\r | |
153 | \r | |
154 | @retval TRUE The content is EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
155 | @retval FALSE The content is NOT a EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
156 | \r | |
157 | **/\r | |
158 | BOOLEAN\r | |
159 | IsAuthentication2Format (\r | |
160 | IN EFI_FILE_HANDLE FileHandle\r | |
161 | )\r | |
162 | {\r | |
163 | EFI_STATUS Status;\r | |
164 | EFI_VARIABLE_AUTHENTICATION_2 *Auth2;\r | |
165 | BOOLEAN IsAuth2Format;\r | |
166 | \r | |
167 | IsAuth2Format = FALSE;\r | |
168 | \r | |
169 | //\r | |
170 | // Read the whole file content\r | |
171 | //\r | |
172 | Status = ReadFileContent(\r | |
173 | FileHandle,\r | |
174 | (VOID **) &mImageBase,\r | |
175 | &mImageSize,\r | |
176 | 0\r | |
177 | );\r | |
178 | if (EFI_ERROR (Status)) {\r | |
179 | goto ON_EXIT;\r | |
180 | }\r | |
181 | \r | |
182 | Auth2 = (EFI_VARIABLE_AUTHENTICATION_2 *)mImageBase;\r | |
183 | if (Auth2->AuthInfo.Hdr.wCertificateType != WIN_CERT_TYPE_EFI_GUID) {\r | |
184 | goto ON_EXIT;\r | |
185 | }\r | |
186 | \r | |
187 | if (CompareGuid(&gEfiCertPkcs7Guid, &Auth2->AuthInfo.CertType)) {\r | |
188 | IsAuth2Format = TRUE;\r | |
189 | }\r | |
190 | \r | |
191 | ON_EXIT:\r | |
192 | //\r | |
193 | // Do not close File. simply check file content\r | |
194 | //\r | |
195 | if (mImageBase != NULL) {\r | |
196 | FreePool (mImageBase);\r | |
197 | mImageBase = NULL;\r | |
198 | }\r | |
199 | \r | |
200 | return IsAuth2Format;\r | |
201 | }\r | |
202 | \r | |
ecc722ad | 203 | /**\r |
204 | Set Secure Boot option into variable space.\r | |
205 | \r | |
206 | @param[in] VarValue The option of Secure Boot.\r | |
207 | \r | |
208 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
209 | @retval Others Other errors as indicated.\r | |
210 | \r | |
211 | **/\r | |
212 | EFI_STATUS\r | |
213 | SaveSecureBootVariable (\r | |
214 | IN UINT8 VarValue\r | |
215 | )\r | |
216 | {\r | |
217 | EFI_STATUS Status;\r | |
218 | \r | |
219 | Status = gRT->SetVariable (\r | |
220 | EFI_SECURE_BOOT_ENABLE_NAME,\r | |
221 | &gEfiSecureBootEnableDisableGuid,\r | |
222 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
223 | sizeof (UINT8),\r | |
224 | &VarValue\r | |
225 | );\r | |
226 | return Status;\r | |
227 | }\r | |
228 | \r | |
8c1babfd | 229 | /**\r |
230 | Create a time based data payload by concatenating the EFI_VARIABLE_AUTHENTICATION_2\r | |
231 | descriptor with the input data. NO authentication is required in this function.\r | |
20333c6d | 232 | \r |
8c1babfd | 233 | @param[in, out] DataSize On input, the size of Data buffer in bytes.\r |
234 | On output, the size of data returned in Data\r | |
235 | buffer in bytes.\r | |
20333c6d | 236 | @param[in, out] Data On input, Pointer to data buffer to be wrapped or\r |
8c1babfd | 237 | pointer to NULL to wrap an empty payload.\r |
238 | On output, Pointer to the new payload date buffer allocated from pool,\r | |
20333c6d | 239 | it's caller's responsibility to free the memory when finish using it.\r |
8c1babfd | 240 | \r |
241 | @retval EFI_SUCCESS Create time based payload successfully.\r | |
242 | @retval EFI_OUT_OF_RESOURCES There are not enough memory resourses to create time based payload.\r | |
243 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
244 | @retval Others Unexpected error happens.\r | |
245 | \r | |
246 | **/\r | |
247 | EFI_STATUS\r | |
248 | CreateTimeBasedPayload (\r | |
249 | IN OUT UINTN *DataSize,\r | |
250 | IN OUT UINT8 **Data\r | |
251 | )\r | |
252 | {\r | |
253 | EFI_STATUS Status;\r | |
254 | UINT8 *NewData;\r | |
255 | UINT8 *Payload;\r | |
256 | UINTN PayloadSize;\r | |
257 | EFI_VARIABLE_AUTHENTICATION_2 *DescriptorData;\r | |
258 | UINTN DescriptorSize;\r | |
259 | EFI_TIME Time;\r | |
20333c6d | 260 | \r |
8c1babfd | 261 | if (Data == NULL || DataSize == NULL) {\r |
262 | return EFI_INVALID_PARAMETER;\r | |
263 | }\r | |
20333c6d | 264 | \r |
8c1babfd | 265 | //\r |
20333c6d | 266 | // In Setup mode or Custom mode, the variable does not need to be signed but the\r |
8c1babfd | 267 | // parameters to the SetVariable() call still need to be prepared as authenticated\r |
268 | // variable. So we create EFI_VARIABLE_AUTHENTICATED_2 descriptor without certificate\r | |
269 | // data in it.\r | |
270 | //\r | |
271 | Payload = *Data;\r | |
272 | PayloadSize = *DataSize;\r | |
20333c6d | 273 | \r |
8c1babfd | 274 | DescriptorSize = OFFSET_OF (EFI_VARIABLE_AUTHENTICATION_2, AuthInfo) + OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
275 | NewData = (UINT8*) AllocateZeroPool (DescriptorSize + PayloadSize);\r | |
276 | if (NewData == NULL) {\r | |
277 | return EFI_OUT_OF_RESOURCES;\r | |
278 | }\r | |
279 | \r | |
280 | if ((Payload != NULL) && (PayloadSize != 0)) {\r | |
281 | CopyMem (NewData + DescriptorSize, Payload, PayloadSize);\r | |
282 | }\r | |
283 | \r | |
284 | DescriptorData = (EFI_VARIABLE_AUTHENTICATION_2 *) (NewData);\r | |
285 | \r | |
286 | ZeroMem (&Time, sizeof (EFI_TIME));\r | |
287 | Status = gRT->GetTime (&Time, NULL);\r | |
288 | if (EFI_ERROR (Status)) {\r | |
289 | FreePool(NewData);\r | |
290 | return Status;\r | |
291 | }\r | |
292 | Time.Pad1 = 0;\r | |
293 | Time.Nanosecond = 0;\r | |
294 | Time.TimeZone = 0;\r | |
295 | Time.Daylight = 0;\r | |
296 | Time.Pad2 = 0;\r | |
297 | CopyMem (&DescriptorData->TimeStamp, &Time, sizeof (EFI_TIME));\r | |
20333c6d | 298 | \r |
8c1babfd | 299 | DescriptorData->AuthInfo.Hdr.dwLength = OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
300 | DescriptorData->AuthInfo.Hdr.wRevision = 0x0200;\r | |
301 | DescriptorData->AuthInfo.Hdr.wCertificateType = WIN_CERT_TYPE_EFI_GUID;\r | |
302 | CopyGuid (&DescriptorData->AuthInfo.CertType, &gEfiCertPkcs7Guid);\r | |
20333c6d | 303 | \r |
8c1babfd | 304 | if (Payload != NULL) {\r |
305 | FreePool(Payload);\r | |
306 | }\r | |
20333c6d | 307 | \r |
8c1babfd | 308 | *DataSize = DescriptorSize + PayloadSize;\r |
309 | *Data = NewData;\r | |
310 | return EFI_SUCCESS;\r | |
311 | }\r | |
312 | \r | |
ecc722ad | 313 | /**\r |
314 | Internal helper function to delete a Variable given its name and GUID, NO authentication\r | |
315 | required.\r | |
316 | \r | |
317 | @param[in] VariableName Name of the Variable.\r | |
318 | @param[in] VendorGuid GUID of the Variable.\r | |
319 | \r | |
320 | @retval EFI_SUCCESS Variable deleted successfully.\r | |
321 | @retval Others The driver failed to start the device.\r | |
322 | \r | |
323 | **/\r | |
324 | EFI_STATUS\r | |
325 | DeleteVariable (\r | |
326 | IN CHAR16 *VariableName,\r | |
327 | IN EFI_GUID *VendorGuid\r | |
328 | )\r | |
329 | {\r | |
330 | EFI_STATUS Status;\r | |
331 | VOID* Variable;\r | |
8c1babfd | 332 | UINT8 *Data;\r |
333 | UINTN DataSize;\r | |
334 | UINT32 Attr;\r | |
ecc722ad | 335 | \r |
bf4a3dbd | 336 | GetVariable2 (VariableName, VendorGuid, &Variable, NULL);\r |
ecc722ad | 337 | if (Variable == NULL) {\r |
338 | return EFI_SUCCESS;\r | |
339 | }\r | |
f71ed839 | 340 | FreePool (Variable);\r |
ecc722ad | 341 | \r |
8c1babfd | 342 | Data = NULL;\r |
343 | DataSize = 0;\r | |
344 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
345 | | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
ecc722ad | 346 | \r |
8c1babfd | 347 | Status = CreateTimeBasedPayload (&DataSize, &Data);\r |
348 | if (EFI_ERROR (Status)) {\r | |
349 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
350 | return Status;\r | |
ecc722ad | 351 | }\r |
352 | \r | |
8c1babfd | 353 | Status = gRT->SetVariable (\r |
354 | VariableName,\r | |
355 | VendorGuid,\r | |
356 | Attr,\r | |
357 | DataSize,\r | |
358 | Data\r | |
359 | );\r | |
360 | if (Data != NULL) {\r | |
361 | FreePool (Data);\r | |
ecc722ad | 362 | }\r |
ecc722ad | 363 | return Status;\r |
364 | }\r | |
365 | \r | |
f71ed839 | 366 | /**\r |
367 | \r | |
368 | Set the platform secure boot mode into "Custom" or "Standard" mode.\r | |
369 | \r | |
370 | @param[in] SecureBootMode New secure boot mode: STANDARD_SECURE_BOOT_MODE or\r | |
371 | CUSTOM_SECURE_BOOT_MODE.\r | |
20333c6d | 372 | \r |
f71ed839 | 373 | @return EFI_SUCCESS The platform has switched to the special mode successfully.\r |
374 | @return other Fail to operate the secure boot mode.\r | |
20333c6d | 375 | \r |
f71ed839 | 376 | **/\r |
377 | EFI_STATUS\r | |
378 | SetSecureBootMode (\r | |
379 | IN UINT8 SecureBootMode\r | |
380 | )\r | |
381 | {\r | |
20333c6d | 382 | return gRT->SetVariable (\r |
f71ed839 | 383 | EFI_CUSTOM_MODE_NAME,\r |
384 | &gEfiCustomModeEnableGuid,\r | |
385 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
386 | sizeof (UINT8),\r | |
387 | &SecureBootMode\r | |
388 | );\r | |
389 | }\r | |
390 | \r | |
ecc722ad | 391 | /**\r |
392 | Generate the PK signature list from the X509 Certificate storing file (.cer)\r | |
393 | \r | |
394 | @param[in] X509File FileHandle of X509 Certificate storing file.\r | |
395 | @param[out] PkCert Point to the data buffer to store the signature list.\r | |
20333c6d | 396 | \r |
ecc722ad | 397 | @return EFI_UNSUPPORTED Unsupported Key Length.\r |
398 | @return EFI_OUT_OF_RESOURCES There are not enough memory resourses to form the signature list.\r | |
20333c6d | 399 | \r |
ecc722ad | 400 | **/\r |
401 | EFI_STATUS\r | |
402 | CreatePkX509SignatureList (\r | |
20333c6d QL |
403 | IN EFI_FILE_HANDLE X509File,\r |
404 | OUT EFI_SIGNATURE_LIST **PkCert\r | |
ecc722ad | 405 | )\r |
406 | {\r | |
20333c6d | 407 | EFI_STATUS Status;\r |
ecc722ad | 408 | UINT8 *X509Data;\r |
409 | UINTN X509DataSize;\r | |
410 | EFI_SIGNATURE_DATA *PkCertData;\r | |
411 | \r | |
412 | X509Data = NULL;\r | |
413 | PkCertData = NULL;\r | |
20333c6d QL |
414 | X509DataSize = 0;\r |
415 | \r | |
4adc12bf | 416 | Status = ReadFileContent (X509File, (VOID**) &X509Data, &X509DataSize, 0);\r |
ecc722ad | 417 | if (EFI_ERROR (Status)) {\r |
418 | goto ON_EXIT;\r | |
419 | }\r | |
ba57d4fd | 420 | ASSERT (X509Data != NULL);\r |
ecc722ad | 421 | \r |
422 | //\r | |
423 | // Allocate space for PK certificate list and initialize it.\r | |
424 | // Create PK database entry with SignatureHeaderSize equals 0.\r | |
425 | //\r | |
426 | *PkCert = (EFI_SIGNATURE_LIST*) AllocateZeroPool (\r | |
427 | sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
428 | + X509DataSize\r | |
429 | );\r | |
430 | if (*PkCert == NULL) {\r | |
431 | Status = EFI_OUT_OF_RESOURCES;\r | |
432 | goto ON_EXIT;\r | |
433 | }\r | |
434 | \r | |
20333c6d | 435 | (*PkCert)->SignatureListSize = (UINT32) (sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 436 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
437 | + X509DataSize);\r | |
438 | (*PkCert)->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
439 | (*PkCert)->SignatureHeaderSize = 0;\r | |
440 | CopyGuid (&(*PkCert)->SignatureType, &gEfiCertX509Guid);\r | |
20333c6d | 441 | PkCertData = (EFI_SIGNATURE_DATA*) ((UINTN)(*PkCert)\r |
ecc722ad | 442 | + sizeof(EFI_SIGNATURE_LIST)\r |
443 | + (*PkCert)->SignatureHeaderSize);\r | |
20333c6d | 444 | CopyGuid (&PkCertData->SignatureOwner, &gEfiGlobalVariableGuid);\r |
ecc722ad | 445 | //\r |
446 | // Fill the PK database with PKpub data from X509 certificate file.\r | |
20333c6d | 447 | //\r |
ecc722ad | 448 | CopyMem (&(PkCertData->SignatureData[0]), X509Data, X509DataSize);\r |
20333c6d | 449 | \r |
ecc722ad | 450 | ON_EXIT:\r |
20333c6d | 451 | \r |
ecc722ad | 452 | if (X509Data != NULL) {\r |
453 | FreePool (X509Data);\r | |
454 | }\r | |
20333c6d | 455 | \r |
ecc722ad | 456 | if (EFI_ERROR(Status) && *PkCert != NULL) {\r |
457 | FreePool (*PkCert);\r | |
458 | *PkCert = NULL;\r | |
459 | }\r | |
20333c6d | 460 | \r |
ecc722ad | 461 | return Status;\r |
462 | }\r | |
463 | \r | |
464 | /**\r | |
465 | Enroll new PK into the System without original PK's authentication.\r | |
466 | \r | |
467 | The SignatureOwner GUID will be the same with PK's vendorguid.\r | |
468 | \r | |
469 | @param[in] PrivateData The module's private data.\r | |
470 | \r | |
471 | @retval EFI_SUCCESS New PK enrolled successfully.\r | |
472 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
473 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 474 | \r |
ecc722ad | 475 | **/\r |
476 | EFI_STATUS\r | |
477 | EnrollPlatformKey (\r | |
478 | IN SECUREBOOT_CONFIG_PRIVATE_DATA* Private\r | |
20333c6d | 479 | )\r |
ecc722ad | 480 | {\r |
481 | EFI_STATUS Status;\r | |
482 | UINT32 Attr;\r | |
483 | UINTN DataSize;\r | |
484 | EFI_SIGNATURE_LIST *PkCert;\r | |
485 | UINT16* FilePostFix;\r | |
fd64f84f | 486 | UINTN NameLength;\r |
20333c6d | 487 | \r |
ecc722ad | 488 | if (Private->FileContext->FileName == NULL) {\r |
489 | return EFI_INVALID_PARAMETER;\r | |
490 | }\r | |
491 | \r | |
492 | PkCert = NULL;\r | |
493 | \r | |
f71ed839 | 494 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
495 | if (EFI_ERROR (Status)) {\r | |
496 | return Status;\r | |
497 | }\r | |
498 | \r | |
ecc722ad | 499 | //\r |
e4d7370d | 500 | // Parse the file's postfix. Only support DER encoded X.509 certificate files.\r |
ecc722ad | 501 | //\r |
fd64f84f GCPL |
502 | NameLength = StrLen (Private->FileContext->FileName);\r |
503 | if (NameLength <= 4) {\r | |
504 | return EFI_INVALID_PARAMETER;\r | |
505 | }\r | |
506 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
e4d7370d | 507 | if (!IsDerEncodeCertificate(FilePostFix)) {\r |
508 | DEBUG ((EFI_D_ERROR, "Unsupported file type, only DER encoded certificate (%s) is supported.", mSupportX509Suffix));\r | |
ecc722ad | 509 | return EFI_INVALID_PARAMETER;\r |
510 | }\r | |
511 | DEBUG ((EFI_D_INFO, "FileName= %s\n", Private->FileContext->FileName));\r | |
512 | DEBUG ((EFI_D_INFO, "FilePostFix = %s\n", FilePostFix));\r | |
513 | \r | |
514 | //\r | |
515 | // Prase the selected PK file and generature PK certificate list.\r | |
516 | //\r | |
8c1babfd | 517 | Status = CreatePkX509SignatureList (\r |
20333c6d QL |
518 | Private->FileContext->FHandle,\r |
519 | &PkCert\r | |
8c1babfd | 520 | );\r |
521 | if (EFI_ERROR (Status)) {\r | |
522 | goto ON_EXIT;\r | |
ecc722ad | 523 | }\r |
ba57d4fd | 524 | ASSERT (PkCert != NULL);\r |
20333c6d | 525 | \r |
ecc722ad | 526 | //\r |
527 | // Set Platform Key variable.\r | |
20333c6d QL |
528 | //\r |
529 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 530 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
ecc722ad | 531 | DataSize = PkCert->SignatureListSize;\r |
8c1babfd | 532 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &PkCert);\r |
533 | if (EFI_ERROR (Status)) {\r | |
534 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
535 | goto ON_EXIT;\r | |
536 | }\r | |
20333c6d | 537 | \r |
ecc722ad | 538 | Status = gRT->SetVariable(\r |
20333c6d QL |
539 | EFI_PLATFORM_KEY_NAME,\r |
540 | &gEfiGlobalVariableGuid,\r | |
541 | Attr,\r | |
542 | DataSize,\r | |
ecc722ad | 543 | PkCert\r |
544 | );\r | |
545 | if (EFI_ERROR (Status)) {\r | |
546 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
547 | DEBUG ((EFI_D_ERROR, "Enroll PK failed with out of resource.\n"));\r | |
548 | }\r | |
549 | goto ON_EXIT;\r | |
550 | }\r | |
20333c6d | 551 | \r |
ecc722ad | 552 | ON_EXIT:\r |
553 | \r | |
554 | if (PkCert != NULL) {\r | |
555 | FreePool(PkCert);\r | |
556 | }\r | |
20333c6d | 557 | \r |
4de754e1 | 558 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 559 | \r |
560 | return Status;\r | |
561 | }\r | |
562 | \r | |
563 | /**\r | |
564 | Remove the PK variable.\r | |
565 | \r | |
566 | @retval EFI_SUCCESS Delete PK successfully.\r | |
567 | @retval Others Could not allow to delete PK.\r | |
20333c6d | 568 | \r |
ecc722ad | 569 | **/\r |
570 | EFI_STATUS\r | |
571 | DeletePlatformKey (\r | |
572 | VOID\r | |
573 | )\r | |
574 | {\r | |
575 | EFI_STATUS Status;\r | |
576 | \r | |
f71ed839 | 577 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
578 | if (EFI_ERROR (Status)) {\r | |
579 | return Status;\r | |
580 | }\r | |
581 | \r | |
8c1babfd | 582 | Status = DeleteVariable (\r |
583 | EFI_PLATFORM_KEY_NAME,\r | |
584 | &gEfiGlobalVariableGuid\r | |
585 | );\r | |
ecc722ad | 586 | return Status;\r |
587 | }\r | |
588 | \r | |
589 | /**\r | |
590 | Enroll a new KEK item from public key storing file (*.pbk).\r | |
591 | \r | |
592 | @param[in] PrivateData The module's private data.\r | |
593 | \r | |
594 | @retval EFI_SUCCESS New KEK enrolled successfully.\r | |
595 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
596 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
597 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
598 | \r | |
599 | **/\r | |
600 | EFI_STATUS\r | |
601 | EnrollRsa2048ToKek (\r | |
602 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
603 | )\r | |
604 | {\r | |
605 | EFI_STATUS Status;\r | |
606 | UINT32 Attr;\r | |
607 | UINTN DataSize;\r | |
608 | EFI_SIGNATURE_LIST *KekSigList;\r | |
609 | UINTN KeyBlobSize;\r | |
610 | UINT8 *KeyBlob;\r | |
611 | CPL_KEY_INFO *KeyInfo;\r | |
612 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
613 | UINTN KekSigListSize;\r | |
20333c6d | 614 | UINT8 *KeyBuffer;\r |
ecc722ad | 615 | UINTN KeyLenInBytes;\r |
616 | \r | |
617 | Attr = 0;\r | |
618 | DataSize = 0;\r | |
619 | KeyBuffer = NULL;\r | |
620 | KeyBlobSize = 0;\r | |
621 | KeyBlob = NULL;\r | |
622 | KeyInfo = NULL;\r | |
623 | KEKSigData = NULL;\r | |
624 | KekSigList = NULL;\r | |
625 | KekSigListSize = 0;\r | |
20333c6d | 626 | \r |
ecc722ad | 627 | //\r |
628 | // Form the KeKpub certificate list into EFI_SIGNATURE_LIST type.\r | |
629 | // First, We have to parse out public key data from the pbk key file.\r | |
20333c6d | 630 | //\r |
ecc722ad | 631 | Status = ReadFileContent (\r |
632 | Private->FileContext->FHandle,\r | |
4adc12bf | 633 | (VOID**) &KeyBlob,\r |
ecc722ad | 634 | &KeyBlobSize,\r |
635 | 0\r | |
636 | );\r | |
637 | if (EFI_ERROR (Status)) {\r | |
638 | goto ON_EXIT;\r | |
639 | }\r | |
ba57d4fd | 640 | ASSERT (KeyBlob != NULL);\r |
ecc722ad | 641 | KeyInfo = (CPL_KEY_INFO *) KeyBlob;\r |
642 | if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {\r | |
643 | DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));\r | |
644 | Status = EFI_UNSUPPORTED;\r | |
645 | goto ON_EXIT;\r | |
646 | }\r | |
20333c6d | 647 | \r |
ecc722ad | 648 | //\r |
649 | // Convert the Public key to fix octet string format represented in RSA PKCS#1.\r | |
20333c6d | 650 | //\r |
ecc722ad | 651 | KeyLenInBytes = KeyInfo->KeyLengthInBits / 8;\r |
652 | KeyBuffer = AllocateZeroPool (KeyLenInBytes);\r | |
653 | if (KeyBuffer == NULL) {\r | |
654 | Status = EFI_OUT_OF_RESOURCES;\r | |
655 | goto ON_EXIT;\r | |
656 | }\r | |
657 | Int2OctStr (\r | |
20333c6d QL |
658 | (UINTN*) (KeyBlob + sizeof (CPL_KEY_INFO)),\r |
659 | KeyLenInBytes / sizeof (UINTN),\r | |
660 | KeyBuffer,\r | |
ecc722ad | 661 | KeyLenInBytes\r |
662 | );\r | |
663 | CopyMem(KeyBlob + sizeof(CPL_KEY_INFO), KeyBuffer, KeyLenInBytes);\r | |
20333c6d | 664 | \r |
ecc722ad | 665 | //\r |
666 | // Form an new EFI_SIGNATURE_LIST.\r | |
667 | //\r | |
668 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
669 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
670 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
671 | \r | |
672 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
673 | if (KekSigList == NULL) {\r | |
674 | Status = EFI_OUT_OF_RESOURCES;\r | |
675 | goto ON_EXIT;\r | |
676 | }\r | |
677 | \r | |
678 | KekSigList->SignatureListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
679 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
680 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
681 | KekSigList->SignatureHeaderSize = 0;\r | |
682 | KekSigList->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
683 | CopyGuid (&KekSigList->SignatureType, &gEfiCertRsa2048Guid);\r | |
20333c6d | 684 | \r |
ecc722ad | 685 | KEKSigData = (EFI_SIGNATURE_DATA*)((UINT8*)KekSigList + sizeof(EFI_SIGNATURE_LIST));\r |
686 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
687 | CopyMem (\r | |
688 | KEKSigData->SignatureData,\r | |
689 | KeyBlob + sizeof(CPL_KEY_INFO),\r | |
690 | WIN_CERT_UEFI_RSA2048_SIZE\r | |
691 | );\r | |
20333c6d | 692 | \r |
ecc722ad | 693 | //\r |
20333c6d QL |
694 | // Check if KEK entry has been already existed.\r |
695 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 696 | // new KEK to original variable.\r |
20333c6d QL |
697 | //\r |
698 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 699 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
700 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
701 | if (EFI_ERROR (Status)) {\r | |
702 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
703 | goto ON_EXIT;\r | |
704 | }\r | |
705 | \r | |
ecc722ad | 706 | Status = gRT->GetVariable(\r |
20333c6d QL |
707 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
708 | &gEfiGlobalVariableGuid,\r | |
709 | NULL,\r | |
710 | &DataSize,\r | |
ecc722ad | 711 | NULL\r |
712 | );\r | |
713 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
714 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
715 | } else if (Status != EFI_NOT_FOUND) {\r | |
716 | goto ON_EXIT;\r | |
717 | }\r | |
20333c6d | 718 | \r |
ecc722ad | 719 | //\r |
720 | // Done. Now we have formed the correct KEKpub database item, just set it into variable storage,\r | |
20333c6d | 721 | //\r |
ecc722ad | 722 | Status = gRT->SetVariable(\r |
20333c6d QL |
723 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
724 | &gEfiGlobalVariableGuid,\r | |
725 | Attr,\r | |
726 | KekSigListSize,\r | |
ecc722ad | 727 | KekSigList\r |
728 | );\r | |
729 | if (EFI_ERROR (Status)) {\r | |
730 | goto ON_EXIT;\r | |
731 | }\r | |
20333c6d | 732 | \r |
ecc722ad | 733 | ON_EXIT:\r |
734 | \r | |
4de754e1 | 735 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 736 | \r |
737 | if (Private->SignatureGUID != NULL) {\r | |
738 | FreePool (Private->SignatureGUID);\r | |
739 | Private->SignatureGUID = NULL;\r | |
740 | }\r | |
741 | \r | |
742 | if (KeyBlob != NULL) {\r | |
743 | FreePool (KeyBlob);\r | |
744 | }\r | |
745 | if (KeyBuffer != NULL) {\r | |
746 | FreePool (KeyBuffer);\r | |
747 | }\r | |
748 | if (KekSigList != NULL) {\r | |
749 | FreePool (KekSigList);\r | |
750 | }\r | |
20333c6d | 751 | \r |
ecc722ad | 752 | return Status;\r |
753 | }\r | |
754 | \r | |
755 | /**\r | |
756 | Enroll a new KEK item from X509 certificate file.\r | |
757 | \r | |
758 | @param[in] PrivateData The module's private data.\r | |
759 | \r | |
760 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
761 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
762 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
763 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
764 | \r | |
765 | **/\r | |
766 | EFI_STATUS\r | |
767 | EnrollX509ToKek (\r | |
768 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
20333c6d | 769 | )\r |
ecc722ad | 770 | {\r |
771 | EFI_STATUS Status;\r | |
772 | UINTN X509DataSize;\r | |
773 | VOID *X509Data;\r | |
774 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
775 | EFI_SIGNATURE_LIST *KekSigList;\r | |
776 | UINTN DataSize;\r | |
777 | UINTN KekSigListSize;\r | |
778 | UINT32 Attr;\r | |
779 | \r | |
780 | X509Data = NULL;\r | |
781 | X509DataSize = 0;\r | |
782 | KekSigList = NULL;\r | |
783 | KekSigListSize = 0;\r | |
784 | DataSize = 0;\r | |
785 | KEKSigData = NULL;\r | |
786 | \r | |
787 | Status = ReadFileContent (\r | |
788 | Private->FileContext->FHandle,\r | |
789 | &X509Data,\r | |
790 | &X509DataSize,\r | |
791 | 0\r | |
792 | );\r | |
793 | if (EFI_ERROR (Status)) {\r | |
794 | goto ON_EXIT;\r | |
795 | }\r | |
ba57d4fd | 796 | ASSERT (X509Data != NULL);\r |
ecc722ad | 797 | \r |
798 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
799 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
800 | if (KekSigList == NULL) {\r | |
801 | Status = EFI_OUT_OF_RESOURCES;\r | |
802 | goto ON_EXIT;\r | |
803 | }\r | |
804 | \r | |
805 | //\r | |
806 | // Fill Certificate Database parameters.\r | |
20333c6d | 807 | //\r |
ecc722ad | 808 | KekSigList->SignatureListSize = (UINT32) KekSigListSize;\r |
809 | KekSigList->SignatureHeaderSize = 0;\r | |
810 | KekSigList->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
811 | CopyGuid (&KekSigList->SignatureType, &gEfiCertX509Guid);\r | |
812 | \r | |
813 | KEKSigData = (EFI_SIGNATURE_DATA*) ((UINT8*) KekSigList + sizeof (EFI_SIGNATURE_LIST));\r | |
814 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
815 | CopyMem (KEKSigData->SignatureData, X509Data, X509DataSize);\r | |
816 | \r | |
817 | //\r | |
20333c6d QL |
818 | // Check if KEK been already existed.\r |
819 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 820 | // new kek to original variable\r |
20333c6d QL |
821 | //\r |
822 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 823 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
824 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
825 | if (EFI_ERROR (Status)) {\r | |
826 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
827 | goto ON_EXIT;\r | |
828 | }\r | |
20333c6d | 829 | \r |
ecc722ad | 830 | Status = gRT->GetVariable(\r |
20333c6d QL |
831 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
832 | &gEfiGlobalVariableGuid,\r | |
833 | NULL,\r | |
834 | &DataSize,\r | |
ecc722ad | 835 | NULL\r |
836 | );\r | |
837 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
838 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
839 | } else if (Status != EFI_NOT_FOUND) {\r | |
840 | goto ON_EXIT;\r | |
20333c6d | 841 | }\r |
ecc722ad | 842 | \r |
843 | Status = gRT->SetVariable(\r | |
20333c6d QL |
844 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
845 | &gEfiGlobalVariableGuid,\r | |
846 | Attr,\r | |
ecc722ad | 847 | KekSigListSize,\r |
848 | KekSigList\r | |
849 | );\r | |
850 | if (EFI_ERROR (Status)) {\r | |
851 | goto ON_EXIT;\r | |
852 | }\r | |
853 | \r | |
854 | ON_EXIT:\r | |
20333c6d | 855 | \r |
4de754e1 | 856 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d QL |
857 | \r |
858 | if (Private->SignatureGUID != NULL) {\r | |
859 | FreePool (Private->SignatureGUID);\r | |
860 | Private->SignatureGUID = NULL;\r | |
861 | }\r | |
862 | \r | |
863 | if (KekSigList != NULL) {\r | |
864 | FreePool (KekSigList);\r | |
865 | }\r | |
866 | \r | |
867 | return Status;\r | |
868 | }\r | |
869 | \r | |
870 | /**\r | |
871 | Enroll new KEK into the System without PK's authentication.\r | |
872 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
873 | \r | |
874 | @param[in] PrivateData The module's private data.\r | |
875 | \r | |
876 | @retval EFI_SUCCESS New KEK enrolled successful.\r | |
877 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
878 | @retval others Fail to enroll KEK data.\r | |
879 | \r | |
880 | **/\r | |
881 | EFI_STATUS\r | |
882 | EnrollKeyExchangeKey (\r | |
883 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
884 | )\r | |
885 | {\r | |
886 | UINT16* FilePostFix;\r | |
887 | EFI_STATUS Status;\r | |
888 | UINTN NameLength;\r | |
889 | \r | |
4de754e1 | 890 | if ((Private->FileContext->FHandle == NULL) || (Private->FileContext->FileName == NULL) || (Private->SignatureGUID == NULL)) {\r |
20333c6d QL |
891 | return EFI_INVALID_PARAMETER;\r |
892 | }\r | |
893 | \r | |
894 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
895 | if (EFI_ERROR (Status)) {\r | |
896 | return Status;\r | |
897 | }\r | |
898 | \r | |
899 | //\r | |
900 | // Parse the file's postfix. Supports DER-encoded X509 certificate,\r | |
901 | // and .pbk as RSA public key file.\r | |
902 | //\r | |
903 | NameLength = StrLen (Private->FileContext->FileName);\r | |
904 | if (NameLength <= 4) {\r | |
905 | return EFI_INVALID_PARAMETER;\r | |
906 | }\r | |
907 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
908 | if (IsDerEncodeCertificate(FilePostFix)) {\r | |
909 | return EnrollX509ToKek (Private);\r | |
910 | } else if (CompareMem (FilePostFix, L".pbk",4) == 0) {\r | |
911 | return EnrollRsa2048ToKek (Private);\r | |
912 | } else {\r | |
4de754e1 ZC |
913 | //\r |
914 | // File type is wrong, simply close it\r | |
915 | //\r | |
916 | CloseEnrolledFile(Private->FileContext);\r | |
917 | \r | |
20333c6d QL |
918 | return EFI_INVALID_PARAMETER;\r |
919 | }\r | |
920 | }\r | |
921 | \r | |
922 | /**\r | |
923 | Enroll a new X509 certificate into Signature Database (DB or DBX or DBT) without\r | |
924 | KEK's authentication.\r | |
925 | \r | |
926 | @param[in] PrivateData The module's private data.\r | |
927 | @param[in] VariableName Variable name of signature database, must be\r | |
928 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
929 | \r | |
930 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
931 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
932 | \r | |
933 | **/\r | |
934 | EFI_STATUS\r | |
935 | EnrollX509toSigDB (\r | |
936 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
937 | IN CHAR16 *VariableName\r | |
938 | )\r | |
939 | {\r | |
940 | EFI_STATUS Status;\r | |
941 | UINTN X509DataSize;\r | |
942 | VOID *X509Data;\r | |
943 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
944 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
945 | VOID *Data;\r | |
946 | UINTN DataSize;\r | |
947 | UINTN SigDBSize;\r | |
948 | UINT32 Attr;\r | |
949 | \r | |
950 | X509DataSize = 0;\r | |
951 | SigDBSize = 0;\r | |
952 | DataSize = 0;\r | |
953 | X509Data = NULL;\r | |
954 | SigDBCert = NULL;\r | |
955 | SigDBCertData = NULL;\r | |
956 | Data = NULL;\r | |
957 | \r | |
958 | Status = ReadFileContent (\r | |
959 | Private->FileContext->FHandle,\r | |
960 | &X509Data,\r | |
961 | &X509DataSize,\r | |
962 | 0\r | |
963 | );\r | |
964 | if (EFI_ERROR (Status)) {\r | |
965 | goto ON_EXIT;\r | |
966 | }\r | |
967 | ASSERT (X509Data != NULL);\r | |
968 | \r | |
969 | SigDBSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
970 | \r | |
971 | Data = AllocateZeroPool (SigDBSize);\r | |
972 | if (Data == NULL) {\r | |
973 | Status = EFI_OUT_OF_RESOURCES;\r | |
974 | goto ON_EXIT;\r | |
975 | }\r | |
976 | \r | |
977 | //\r | |
978 | // Fill Certificate Database parameters.\r | |
979 | //\r | |
980 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r | |
981 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
982 | SigDBCert->SignatureHeaderSize = 0;\r | |
983 | SigDBCert->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
984 | CopyGuid (&SigDBCert->SignatureType, &gEfiCertX509Guid);\r | |
985 | \r | |
986 | SigDBCertData = (EFI_SIGNATURE_DATA*) ((UINT8* ) SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r | |
987 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
988 | CopyMem ((UINT8* ) (SigDBCertData->SignatureData), X509Data, X509DataSize);\r | |
989 | \r | |
990 | //\r | |
991 | // Check if signature database entry has been already existed.\r | |
992 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
993 | // new signature data to original variable\r | |
994 | //\r | |
995 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
996 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
997 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
998 | if (EFI_ERROR (Status)) {\r | |
999 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
1000 | goto ON_EXIT;\r | |
1001 | }\r | |
1002 | \r | |
1003 | Status = gRT->GetVariable(\r | |
1004 | VariableName,\r | |
1005 | &gEfiImageSecurityDatabaseGuid,\r | |
1006 | NULL,\r | |
1007 | &DataSize,\r | |
1008 | NULL\r | |
1009 | );\r | |
1010 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1011 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
1012 | } else if (Status != EFI_NOT_FOUND) {\r | |
1013 | goto ON_EXIT;\r | |
1014 | }\r | |
1015 | \r | |
1016 | Status = gRT->SetVariable(\r | |
1017 | VariableName,\r | |
1018 | &gEfiImageSecurityDatabaseGuid,\r | |
1019 | Attr,\r | |
1020 | SigDBSize,\r | |
1021 | Data\r | |
1022 | );\r | |
1023 | if (EFI_ERROR (Status)) {\r | |
1024 | goto ON_EXIT;\r | |
1025 | }\r | |
1026 | \r | |
1027 | ON_EXIT:\r | |
1028 | \r | |
4de754e1 | 1029 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d QL |
1030 | \r |
1031 | if (Private->SignatureGUID != NULL) {\r | |
1032 | FreePool (Private->SignatureGUID);\r | |
1033 | Private->SignatureGUID = NULL;\r | |
1034 | }\r | |
1035 | \r | |
1036 | if (Data != NULL) {\r | |
1037 | FreePool (Data);\r | |
1038 | }\r | |
1039 | \r | |
1040 | if (X509Data != NULL) {\r | |
1041 | FreePool (X509Data);\r | |
1042 | }\r | |
1043 | \r | |
1044 | return Status;\r | |
1045 | }\r | |
1046 | \r | |
1047 | /**\r | |
1048 | Check whether signature is in specified database.\r | |
1049 | \r | |
1050 | @param[in] VariableName Name of database variable that is searched in.\r | |
1051 | @param[in] Signature Pointer to signature that is searched for.\r | |
1052 | @param[in] SignatureSize Size of Signature.\r | |
1053 | \r | |
1054 | @return TRUE Found the signature in the variable database.\r | |
1055 | @return FALSE Not found the signature in the variable database.\r | |
1056 | \r | |
1057 | **/\r | |
1058 | BOOLEAN\r | |
1059 | IsSignatureFoundInDatabase (\r | |
1060 | IN CHAR16 *VariableName,\r | |
1061 | IN UINT8 *Signature,\r | |
1062 | IN UINTN SignatureSize\r | |
1063 | )\r | |
1064 | {\r | |
1065 | EFI_STATUS Status;\r | |
1066 | EFI_SIGNATURE_LIST *CertList;\r | |
1067 | EFI_SIGNATURE_DATA *Cert;\r | |
1068 | UINTN DataSize;\r | |
1069 | UINT8 *Data;\r | |
1070 | UINTN Index;\r | |
1071 | UINTN CertCount;\r | |
1072 | BOOLEAN IsFound;\r | |
1073 | \r | |
1074 | //\r | |
1075 | // Read signature database variable.\r | |
1076 | //\r | |
1077 | IsFound = FALSE;\r | |
1078 | Data = NULL;\r | |
1079 | DataSize = 0;\r | |
1080 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1081 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1082 | return FALSE;\r | |
1083 | }\r | |
1084 | \r | |
1085 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1086 | if (Data == NULL) {\r | |
1087 | return FALSE;\r | |
1088 | }\r | |
1089 | \r | |
1090 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1091 | if (EFI_ERROR (Status)) {\r | |
1092 | goto Done;\r | |
1093 | }\r | |
1094 | \r | |
1095 | //\r | |
1096 | // Enumerate all signature data in SigDB to check if executable's signature exists.\r | |
1097 | //\r | |
1098 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
1099 | while ((DataSize > 0) && (DataSize >= CertList->SignatureListSize)) {\r | |
1100 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
1101 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
1102 | if ((CertList->SignatureSize == sizeof(EFI_SIGNATURE_DATA) - 1 + SignatureSize) && (CompareGuid(&CertList->SignatureType, &gEfiCertX509Guid))) {\r | |
1103 | for (Index = 0; Index < CertCount; Index++) {\r | |
1104 | if (CompareMem (Cert->SignatureData, Signature, SignatureSize) == 0) {\r | |
1105 | //\r | |
1106 | // Find the signature in database.\r | |
1107 | //\r | |
1108 | IsFound = TRUE;\r | |
1109 | break;\r | |
1110 | }\r | |
1111 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
1112 | }\r | |
1113 | \r | |
1114 | if (IsFound) {\r | |
1115 | break;\r | |
1116 | }\r | |
1117 | }\r | |
1118 | \r | |
1119 | DataSize -= CertList->SignatureListSize;\r | |
1120 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
1121 | }\r | |
1122 | \r | |
1123 | Done:\r | |
1124 | if (Data != NULL) {\r | |
1125 | FreePool (Data);\r | |
1126 | }\r | |
1127 | \r | |
1128 | return IsFound;\r | |
1129 | }\r | |
1130 | \r | |
1131 | /**\r | |
1132 | Calculate the hash of a certificate data with the specified hash algorithm.\r | |
1133 | \r | |
1134 | @param[in] CertData The certificate data to be hashed.\r | |
1135 | @param[in] CertSize The certificate size in bytes.\r | |
1136 | @param[in] HashAlg The specified hash algorithm.\r | |
1137 | @param[out] CertHash The output digest of the certificate\r | |
1138 | \r | |
1139 | @retval TRUE Successfully got the hash of the CertData.\r | |
1140 | @retval FALSE Failed to get the hash of CertData.\r | |
1141 | \r | |
1142 | **/\r | |
1143 | BOOLEAN\r | |
1144 | CalculateCertHash (\r | |
1145 | IN UINT8 *CertData,\r | |
1146 | IN UINTN CertSize,\r | |
1147 | IN UINT32 HashAlg,\r | |
1148 | OUT UINT8 *CertHash\r | |
1149 | )\r | |
1150 | {\r | |
1151 | BOOLEAN Status;\r | |
1152 | VOID *HashCtx;\r | |
1153 | UINTN CtxSize;\r | |
12d95665 LQ |
1154 | UINT8 *TBSCert;\r |
1155 | UINTN TBSCertSize;\r | |
20333c6d QL |
1156 | \r |
1157 | HashCtx = NULL;\r | |
1158 | Status = FALSE;\r | |
1159 | \r | |
1160 | if (HashAlg >= HASHALG_MAX) {\r | |
1161 | return FALSE;\r | |
1162 | }\r | |
1163 | \r | |
12d95665 LQ |
1164 | //\r |
1165 | // Retrieve the TBSCertificate for Hash Calculation.\r | |
1166 | //\r | |
1167 | if (!X509GetTBSCert (CertData, CertSize, &TBSCert, &TBSCertSize)) {\r | |
1168 | return FALSE;\r | |
1169 | }\r | |
1170 | \r | |
20333c6d QL |
1171 | //\r |
1172 | // 1. Initialize context of hash.\r | |
1173 | //\r | |
1174 | CtxSize = mHash[HashAlg].GetContextSize ();\r | |
1175 | HashCtx = AllocatePool (CtxSize);\r | |
1176 | ASSERT (HashCtx != NULL);\r | |
1177 | \r | |
1178 | //\r | |
1179 | // 2. Initialize a hash context.\r | |
1180 | //\r | |
1181 | Status = mHash[HashAlg].HashInit (HashCtx);\r | |
1182 | if (!Status) {\r | |
1183 | goto Done;\r | |
1184 | }\r | |
1185 | \r | |
1186 | //\r | |
1187 | // 3. Calculate the hash.\r | |
1188 | //\r | |
12d95665 | 1189 | Status = mHash[HashAlg].HashUpdate (HashCtx, TBSCert, TBSCertSize);\r |
20333c6d QL |
1190 | if (!Status) {\r |
1191 | goto Done;\r | |
1192 | }\r | |
1193 | \r | |
1194 | //\r | |
1195 | // 4. Get the hash result.\r | |
1196 | //\r | |
1197 | ZeroMem (CertHash, mHash[HashAlg].DigestLength);\r | |
1198 | Status = mHash[HashAlg].HashFinal (HashCtx, CertHash);\r | |
1199 | \r | |
1200 | Done:\r | |
1201 | if (HashCtx != NULL) {\r | |
1202 | FreePool (HashCtx);\r | |
1203 | }\r | |
1204 | \r | |
1205 | return Status;\r | |
1206 | }\r | |
1207 | \r | |
1208 | /**\r | |
1209 | Check whether the hash of an X.509 certificate is in forbidden database (DBX).\r | |
1210 | \r | |
1211 | @param[in] Certificate Pointer to X.509 Certificate that is searched for.\r | |
1212 | @param[in] CertSize Size of X.509 Certificate.\r | |
1213 | \r | |
1214 | @return TRUE Found the certificate hash in the forbidden database.\r | |
1215 | @return FALSE Certificate hash is Not found in the forbidden database.\r | |
1216 | \r | |
1217 | **/\r | |
1218 | BOOLEAN\r | |
1219 | IsCertHashFoundInDbx (\r | |
1220 | IN UINT8 *Certificate,\r | |
1221 | IN UINTN CertSize\r | |
1222 | )\r | |
1223 | {\r | |
1224 | BOOLEAN IsFound;\r | |
1225 | EFI_STATUS Status;\r | |
1226 | EFI_SIGNATURE_LIST *DbxList;\r | |
1227 | EFI_SIGNATURE_DATA *CertHash;\r | |
1228 | UINTN CertHashCount;\r | |
1229 | UINTN Index;\r | |
1230 | UINT32 HashAlg;\r | |
1231 | UINT8 CertDigest[MAX_DIGEST_SIZE];\r | |
1232 | UINT8 *DbxCertHash;\r | |
1233 | UINTN SiglistHeaderSize;\r | |
1234 | UINT8 *Data;\r | |
1235 | UINTN DataSize;\r | |
1236 | \r | |
1237 | IsFound = FALSE;\r | |
1238 | HashAlg = HASHALG_MAX;\r | |
1239 | Data = NULL;\r | |
1240 | \r | |
1241 | //\r | |
1242 | // Read signature database variable.\r | |
1243 | //\r | |
1244 | DataSize = 0;\r | |
1245 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1246 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1247 | return FALSE;\r | |
1248 | }\r | |
1249 | \r | |
1250 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1251 | if (Data == NULL) {\r | |
1252 | return FALSE;\r | |
1253 | }\r | |
1254 | \r | |
1255 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1256 | if (EFI_ERROR (Status)) {\r | |
1257 | goto Done;\r | |
1258 | }\r | |
1259 | \r | |
1260 | //\r | |
1261 | // Check whether the certificate hash exists in the forbidden database.\r | |
1262 | //\r | |
1263 | DbxList = (EFI_SIGNATURE_LIST *) Data;\r | |
1264 | while ((DataSize > 0) && (DataSize >= DbxList->SignatureListSize)) {\r | |
1265 | //\r | |
1266 | // Determine Hash Algorithm of Certificate in the forbidden database.\r | |
1267 | //\r | |
1268 | if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
1269 | HashAlg = HASHALG_SHA256;\r | |
1270 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
1271 | HashAlg = HASHALG_SHA384;\r | |
1272 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
1273 | HashAlg = HASHALG_SHA512;\r | |
1274 | } else {\r | |
1275 | DataSize -= DbxList->SignatureListSize;\r | |
1276 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1277 | continue;\r | |
1278 | }\r | |
1279 | \r | |
1280 | //\r | |
1281 | // Calculate the hash value of current db certificate for comparision.\r | |
1282 | //\r | |
1283 | if (!CalculateCertHash (Certificate, CertSize, HashAlg, CertDigest)) {\r | |
1284 | goto Done;\r | |
1285 | }\r | |
1286 | \r | |
1287 | SiglistHeaderSize = sizeof (EFI_SIGNATURE_LIST) + DbxList->SignatureHeaderSize;\r | |
1288 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) DbxList + SiglistHeaderSize);\r | |
1289 | CertHashCount = (DbxList->SignatureListSize - SiglistHeaderSize) / DbxList->SignatureSize;\r | |
1290 | for (Index = 0; Index < CertHashCount; Index++) {\r | |
1291 | //\r | |
1292 | // Iterate each Signature Data Node within this CertList for verify.\r | |
1293 | //\r | |
1294 | DbxCertHash = CertHash->SignatureData;\r | |
1295 | if (CompareMem (DbxCertHash, CertDigest, mHash[HashAlg].DigestLength) == 0) {\r | |
1296 | //\r | |
1297 | // Hash of Certificate is found in forbidden database.\r | |
1298 | //\r | |
1299 | IsFound = TRUE;\r | |
1300 | goto Done;\r | |
1301 | }\r | |
1302 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertHash + DbxList->SignatureSize);\r | |
1303 | }\r | |
1304 | \r | |
1305 | DataSize -= DbxList->SignatureListSize;\r | |
1306 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1307 | }\r | |
1308 | \r | |
1309 | Done:\r | |
1310 | if (Data != NULL) {\r | |
1311 | FreePool (Data);\r | |
1312 | }\r | |
1313 | \r | |
1314 | return IsFound;\r | |
1315 | }\r | |
1316 | \r | |
1317 | /**\r | |
1318 | Check whether the signature list exists in given variable data.\r | |
1319 | \r | |
1320 | It searches the signature list for the ceritificate hash by CertType.\r | |
1321 | If the signature list is found, get the offset of Database for the\r | |
1322 | next hash of a certificate.\r | |
1323 | \r | |
1324 | @param[in] Database Variable data to save signature list.\r | |
1325 | @param[in] DatabaseSize Variable size.\r | |
1326 | @param[in] SignatureType The type of the signature.\r | |
1327 | @param[out] Offset The offset to save a new hash of certificate.\r | |
1328 | \r | |
1329 | @return TRUE The signature list is found in the forbidden database.\r | |
1330 | @return FALSE The signature list is not found in the forbidden database.\r | |
1331 | **/\r | |
1332 | BOOLEAN\r | |
1333 | GetSignaturelistOffset (\r | |
1334 | IN EFI_SIGNATURE_LIST *Database,\r | |
1335 | IN UINTN DatabaseSize,\r | |
1336 | IN EFI_GUID *SignatureType,\r | |
1337 | OUT UINTN *Offset\r | |
1338 | )\r | |
1339 | {\r | |
1340 | EFI_SIGNATURE_LIST *SigList;\r | |
1341 | UINTN SiglistSize;\r | |
1342 | \r | |
1343 | if ((Database == NULL) || (DatabaseSize == 0)) {\r | |
1344 | *Offset = 0;\r | |
1345 | return FALSE;\r | |
1346 | }\r | |
1347 | \r | |
1348 | SigList = Database;\r | |
1349 | SiglistSize = DatabaseSize;\r | |
1350 | while ((SiglistSize > 0) && (SiglistSize >= SigList->SignatureListSize)) {\r | |
1351 | if (CompareGuid (&SigList->SignatureType, SignatureType)) {\r | |
1352 | *Offset = DatabaseSize - SiglistSize;\r | |
1353 | return TRUE;\r | |
1354 | }\r | |
1355 | SiglistSize -= SigList->SignatureListSize;\r | |
1356 | SigList = (EFI_SIGNATURE_LIST *) ((UINT8 *) SigList + SigList->SignatureListSize);\r | |
1357 | }\r | |
1358 | *Offset = 0;\r | |
1359 | return FALSE;\r | |
1360 | }\r | |
1361 | \r | |
1362 | /**\r | |
1363 | Enroll a new X509 certificate hash into Signature Database (dbx) without\r | |
1364 | KEK's authentication.\r | |
1365 | \r | |
1366 | @param[in] PrivateData The module's private data.\r | |
1367 | @param[in] HashAlg The hash algorithm to enroll the certificate.\r | |
1368 | @param[in] RevocationDate The revocation date of the certificate.\r | |
1369 | @param[in] RevocationTime The revocation time of the certificate.\r | |
1370 | @param[in] AlwaysRevocation Indicate whether the certificate is always revoked.\r | |
1371 | \r | |
1372 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
1373 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1374 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1375 | \r | |
1376 | **/\r | |
1377 | EFI_STATUS\r | |
1378 | EnrollX509HashtoSigDB (\r | |
1379 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
1380 | IN UINT32 HashAlg,\r | |
1381 | IN EFI_HII_DATE *RevocationDate,\r | |
1382 | IN EFI_HII_TIME *RevocationTime,\r | |
1383 | IN BOOLEAN AlwaysRevocation\r | |
1384 | )\r | |
1385 | {\r | |
1386 | EFI_STATUS Status;\r | |
1387 | UINTN X509DataSize;\r | |
1388 | VOID *X509Data;\r | |
1389 | EFI_SIGNATURE_LIST *SignatureList;\r | |
1390 | UINTN SignatureListSize;\r | |
1391 | UINT8 *Data;\r | |
1392 | UINT8 *NewData;\r | |
1393 | UINTN DataSize;\r | |
1394 | UINTN DbSize;\r | |
1395 | UINT32 Attr;\r | |
1396 | EFI_SIGNATURE_DATA *SignatureData;\r | |
1397 | UINTN SignatureSize;\r | |
1398 | EFI_GUID SignatureType;\r | |
1399 | UINTN Offset;\r | |
1400 | UINT8 CertHash[MAX_DIGEST_SIZE];\r | |
1401 | UINT16* FilePostFix;\r | |
1402 | UINTN NameLength;\r | |
1403 | EFI_TIME *Time;\r | |
1404 | \r | |
1405 | X509DataSize = 0;\r | |
1406 | DbSize = 0;\r | |
1407 | X509Data = NULL;\r | |
1408 | SignatureData = NULL;\r | |
1409 | SignatureList = NULL;\r | |
1410 | Data = NULL;\r | |
1411 | NewData = NULL;\r | |
1412 | \r | |
1413 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
1414 | return EFI_INVALID_PARAMETER;\r | |
1415 | }\r | |
1416 | \r | |
1417 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
1418 | if (EFI_ERROR (Status)) {\r | |
1419 | return Status;\r | |
1420 | }\r | |
1421 | \r | |
1422 | //\r | |
1423 | // Parse the file's postfix.\r | |
1424 | //\r | |
1425 | NameLength = StrLen (Private->FileContext->FileName);\r | |
1426 | if (NameLength <= 4) {\r | |
1427 | return EFI_INVALID_PARAMETER;\r | |
1428 | }\r | |
1429 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
1430 | if (!IsDerEncodeCertificate(FilePostFix)) {\r | |
1431 | //\r | |
1432 | // Only supports DER-encoded X509 certificate.\r | |
1433 | //\r | |
1434 | return EFI_INVALID_PARAMETER;\r | |
1435 | }\r | |
1436 | \r | |
1437 | //\r | |
1438 | // Get the certificate from file and calculate its hash.\r | |
1439 | //\r | |
1440 | Status = ReadFileContent (\r | |
1441 | Private->FileContext->FHandle,\r | |
1442 | &X509Data,\r | |
1443 | &X509DataSize,\r | |
1444 | 0\r | |
1445 | );\r | |
1446 | if (EFI_ERROR (Status)) {\r | |
1447 | goto ON_EXIT;\r | |
1448 | }\r | |
1449 | ASSERT (X509Data != NULL);\r | |
1450 | \r | |
1451 | if (!CalculateCertHash (X509Data, X509DataSize, HashAlg, CertHash)) {\r | |
1452 | goto ON_EXIT;\r | |
1453 | }\r | |
1454 | \r | |
1455 | //\r | |
1456 | // Get the variable for enrollment.\r | |
1457 | //\r | |
1458 | DataSize = 0;\r | |
1459 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1460 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1461 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1462 | if (Data == NULL) {\r | |
1463 | return EFI_OUT_OF_RESOURCES;\r | |
1464 | }\r | |
1465 | \r | |
1466 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1467 | if (EFI_ERROR (Status)) {\r | |
1468 | goto ON_EXIT;\r | |
1469 | }\r | |
1470 | }\r | |
1471 | \r | |
1472 | //\r | |
1473 | // Allocate memory for Signature and fill the Signature\r | |
1474 | //\r | |
1475 | SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + sizeof (EFI_TIME) + mHash[HashAlg].DigestLength;\r | |
1476 | SignatureData = (EFI_SIGNATURE_DATA *) AllocateZeroPool (SignatureSize);\r | |
1477 | if (SignatureData == NULL) {\r | |
1478 | return EFI_OUT_OF_RESOURCES;\r | |
1479 | }\r | |
1480 | CopyGuid (&SignatureData->SignatureOwner, Private->SignatureGUID);\r | |
1481 | CopyMem (SignatureData->SignatureData, CertHash, mHash[HashAlg].DigestLength);\r | |
1482 | \r | |
1483 | //\r | |
1484 | // Fill the time.\r | |
1485 | //\r | |
1486 | if (!AlwaysRevocation) {\r | |
1487 | Time = (EFI_TIME *)(&SignatureData->SignatureData + mHash[HashAlg].DigestLength);\r | |
1488 | Time->Year = RevocationDate->Year;\r | |
1489 | Time->Month = RevocationDate->Month;\r | |
1490 | Time->Day = RevocationDate->Day;\r | |
1491 | Time->Hour = RevocationTime->Hour;\r | |
1492 | Time->Minute = RevocationTime->Minute;\r | |
1493 | Time->Second = RevocationTime->Second;\r | |
1494 | }\r | |
1495 | \r | |
1496 | //\r | |
1497 | // Determine the GUID for certificate hash.\r | |
1498 | //\r | |
1499 | switch (HashAlg) {\r | |
1500 | case HASHALG_SHA256:\r | |
1501 | SignatureType = gEfiCertX509Sha256Guid;\r | |
1502 | break;\r | |
1503 | case HASHALG_SHA384:\r | |
1504 | SignatureType = gEfiCertX509Sha384Guid;\r | |
1505 | break;\r | |
1506 | case HASHALG_SHA512:\r | |
1507 | SignatureType = gEfiCertX509Sha512Guid;\r | |
1508 | break;\r | |
1509 | default:\r | |
1510 | return FALSE;\r | |
1511 | }\r | |
1512 | \r | |
1513 | //\r | |
1514 | // Add signature into the new variable data buffer\r | |
1515 | //\r | |
1516 | if (GetSignaturelistOffset((EFI_SIGNATURE_LIST *)Data, DataSize, &SignatureType, &Offset)) {\r | |
1517 | //\r | |
1518 | // Add the signature to the found signaturelist.\r | |
1519 | //\r | |
1520 | DbSize = DataSize + SignatureSize;\r | |
1521 | NewData = AllocateZeroPool (DbSize);\r | |
1522 | if (NewData == NULL) {\r | |
1523 | Status = EFI_OUT_OF_RESOURCES;\r | |
1524 | goto ON_EXIT;\r | |
1525 | }\r | |
1526 | \r | |
1527 | SignatureList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
1528 | SignatureListSize = (UINTN) ReadUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize);\r | |
1529 | CopyMem (NewData, Data, Offset + SignatureListSize);\r | |
1530 | \r | |
1531 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + Offset);\r | |
1532 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32)(SignatureListSize + SignatureSize));\r | |
1533 | \r | |
1534 | Offset += SignatureListSize;\r | |
1535 | CopyMem (NewData + Offset, SignatureData, SignatureSize);\r | |
1536 | CopyMem (NewData + Offset + SignatureSize, Data + Offset, DataSize - Offset);\r | |
1537 | \r | |
1538 | FreePool (Data);\r | |
1539 | Data = NewData;\r | |
1540 | DataSize = DbSize;\r | |
1541 | } else {\r | |
1542 | //\r | |
1543 | // Create a new signaturelist, and add the signature into the signaturelist.\r | |
1544 | //\r | |
1545 | DbSize = DataSize + sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1546 | NewData = AllocateZeroPool (DbSize);\r | |
1547 | if (NewData == NULL) {\r | |
1548 | Status = EFI_OUT_OF_RESOURCES;\r | |
1549 | goto ON_EXIT;\r | |
1550 | }\r | |
1551 | //\r | |
1552 | // Fill Certificate Database parameters.\r | |
1553 | //\r | |
1554 | SignatureList = (EFI_SIGNATURE_LIST*) (NewData + DataSize);\r | |
1555 | SignatureListSize = sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1556 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32) SignatureListSize);\r | |
1557 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureSize, (UINT32) SignatureSize);\r | |
1558 | CopyGuid (&SignatureList->SignatureType, &SignatureType);\r | |
1559 | CopyMem ((UINT8* ) SignatureList + sizeof (EFI_SIGNATURE_LIST), SignatureData, SignatureSize);\r | |
1560 | if ((DataSize != 0) && (Data != NULL)) {\r | |
1561 | CopyMem (NewData, Data, DataSize);\r | |
1562 | FreePool (Data);\r | |
1563 | }\r | |
1564 | Data = NewData;\r | |
1565 | DataSize = DbSize;\r | |
1566 | }\r | |
1567 | \r | |
1568 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &Data);\r | |
1569 | if (EFI_ERROR (Status)) {\r | |
1570 | goto ON_EXIT;\r | |
1571 | }\r | |
1572 | \r | |
1573 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
1574 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
1575 | Status = gRT->SetVariable(\r | |
1576 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
1577 | &gEfiImageSecurityDatabaseGuid,\r | |
1578 | Attr,\r | |
1579 | DataSize,\r | |
1580 | Data\r | |
1581 | );\r | |
1582 | if (EFI_ERROR (Status)) {\r | |
1583 | goto ON_EXIT;\r | |
1584 | }\r | |
1585 | \r | |
1586 | ON_EXIT:\r | |
762d8ddb | 1587 | \r |
4de754e1 | 1588 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 1589 | \r |
1590 | if (Private->SignatureGUID != NULL) {\r | |
1591 | FreePool (Private->SignatureGUID);\r | |
1592 | Private->SignatureGUID = NULL;\r | |
1593 | }\r | |
1594 | \r | |
20333c6d QL |
1595 | if (Data != NULL) {\r |
1596 | FreePool (Data);\r | |
ecc722ad | 1597 | }\r |
1598 | \r | |
20333c6d QL |
1599 | if (SignatureData != NULL) {\r |
1600 | FreePool (SignatureData);\r | |
ecc722ad | 1601 | }\r |
1602 | \r | |
20333c6d QL |
1603 | if (X509Data != NULL) {\r |
1604 | FreePool (X509Data);\r | |
f71ed839 | 1605 | }\r |
1606 | \r | |
20333c6d | 1607 | return Status;\r |
ecc722ad | 1608 | }\r |
1609 | \r | |
1610 | /**\r | |
20333c6d | 1611 | Check whether a certificate from a file exists in dbx.\r |
ecc722ad | 1612 | \r |
1613 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
1614 | @param[in] VariableName Variable name of signature database, must be\r |
1615 | EFI_IMAGE_SECURITY_DATABASE1.\r | |
ecc722ad | 1616 | \r |
20333c6d QL |
1617 | @retval TRUE The X509 certificate is found in dbx successfully.\r |
1618 | @retval FALSE The X509 certificate is not found in dbx.\r | |
ecc722ad | 1619 | **/\r |
20333c6d QL |
1620 | BOOLEAN\r |
1621 | IsX509CertInDbx (\r | |
ecc722ad | 1622 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1623 | IN CHAR16 *VariableName\r | |
20333c6d | 1624 | )\r |
ecc722ad | 1625 | {\r |
20333c6d QL |
1626 | EFI_STATUS Status;\r |
1627 | UINTN X509DataSize;\r | |
1628 | VOID *X509Data;\r | |
1629 | BOOLEAN IsFound;\r | |
ecc722ad | 1630 | \r |
20333c6d QL |
1631 | //\r |
1632 | // Read the certificate from file\r | |
1633 | //\r | |
ecc722ad | 1634 | X509DataSize = 0;\r |
ecc722ad | 1635 | X509Data = NULL;\r |
ecc722ad | 1636 | Status = ReadFileContent (\r |
1637 | Private->FileContext->FHandle,\r | |
1638 | &X509Data,\r | |
1639 | &X509DataSize,\r | |
1640 | 0\r | |
1641 | );\r | |
1642 | if (EFI_ERROR (Status)) {\r | |
20333c6d | 1643 | return FALSE;\r |
ecc722ad | 1644 | }\r |
1645 | \r | |
1646 | //\r | |
20333c6d | 1647 | // Check the raw certificate.\r |
ecc722ad | 1648 | //\r |
20333c6d QL |
1649 | IsFound = FALSE;\r |
1650 | if (IsSignatureFoundInDatabase (EFI_IMAGE_SECURITY_DATABASE1, X509Data, X509DataSize)) {\r | |
1651 | IsFound = TRUE;\r | |
8c1babfd | 1652 | goto ON_EXIT;\r |
1653 | }\r | |
ecc722ad | 1654 | \r |
20333c6d QL |
1655 | //\r |
1656 | // Check the hash of certificate.\r | |
1657 | //\r | |
1658 | if (IsCertHashFoundInDbx (X509Data, X509DataSize)) {\r | |
1659 | IsFound = TRUE;\r | |
ecc722ad | 1660 | goto ON_EXIT;\r |
1661 | }\r | |
1662 | \r | |
1663 | ON_EXIT:\r | |
ecc722ad | 1664 | if (X509Data != NULL) {\r |
1665 | FreePool (X509Data);\r | |
1666 | }\r | |
1667 | \r | |
20333c6d | 1668 | return IsFound;\r |
ecc722ad | 1669 | }\r |
1670 | \r | |
5e9dfc67 LG |
1671 | /**\r |
1672 | Reads contents of a PE/COFF image in memory buffer.\r | |
1673 | \r | |
1674 | Caution: This function may receive untrusted input.\r | |
1675 | PE/COFF image is external input, so this function will make sure the PE/COFF image content\r | |
1676 | read is within the image buffer.\r | |
1677 | \r | |
1678 | @param FileHandle Pointer to the file handle to read the PE/COFF image.\r | |
1679 | @param FileOffset Offset into the PE/COFF image to begin the read operation.\r | |
1680 | @param ReadSize On input, the size in bytes of the requested read operation.\r | |
1681 | On output, the number of bytes actually read.\r | |
1682 | @param Buffer Output buffer that contains the data read from the PE/COFF image.\r | |
1683 | \r | |
1684 | @retval EFI_SUCCESS The specified portion of the PE/COFF image was read and the size\r | |
1685 | **/\r | |
1686 | EFI_STATUS\r | |
1687 | EFIAPI\r | |
1688 | SecureBootConfigImageRead (\r | |
1689 | IN VOID *FileHandle,\r | |
1690 | IN UINTN FileOffset,\r | |
1691 | IN OUT UINTN *ReadSize,\r | |
1692 | OUT VOID *Buffer\r | |
1693 | )\r | |
1694 | {\r | |
1695 | UINTN EndPosition;\r | |
1696 | \r | |
1697 | if (FileHandle == NULL || ReadSize == NULL || Buffer == NULL) {\r | |
1698 | return EFI_INVALID_PARAMETER;\r | |
1699 | }\r | |
1700 | \r | |
1701 | if (MAX_ADDRESS - FileOffset < *ReadSize) {\r | |
1702 | return EFI_INVALID_PARAMETER;\r | |
1703 | }\r | |
1704 | \r | |
1705 | EndPosition = FileOffset + *ReadSize;\r | |
1706 | if (EndPosition > mImageSize) {\r | |
1707 | *ReadSize = (UINT32)(mImageSize - FileOffset);\r | |
1708 | }\r | |
1709 | \r | |
1710 | if (FileOffset >= mImageSize) {\r | |
1711 | *ReadSize = 0;\r | |
1712 | }\r | |
1713 | \r | |
1714 | CopyMem (Buffer, (UINT8 *)((UINTN) FileHandle + FileOffset), *ReadSize);\r | |
1715 | \r | |
1716 | return EFI_SUCCESS;\r | |
1717 | }\r | |
1718 | \r | |
ecc722ad | 1719 | /**\r |
1720 | Load PE/COFF image information into internal buffer and check its validity.\r | |
1721 | \r | |
1722 | @retval EFI_SUCCESS Successful\r | |
1723 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
1724 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
1725 | \r | |
1726 | **/\r | |
1727 | EFI_STATUS\r | |
1728 | LoadPeImage (\r | |
20333c6d QL |
1729 | VOID\r |
1730 | )\r | |
ecc722ad | 1731 | {\r |
1732 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
1733 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
1734 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
5e9dfc67 LG |
1735 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r |
1736 | EFI_STATUS Status;\r | |
ecc722ad | 1737 | \r |
1738 | NtHeader32 = NULL;\r | |
1739 | NtHeader64 = NULL;\r | |
5e9dfc67 LG |
1740 | \r |
1741 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
1742 | ImageContext.Handle = (VOID *) mImageBase;\r | |
1743 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE) SecureBootConfigImageRead;\r | |
1744 | \r | |
1745 | //\r | |
1746 | // Get information about the image being loaded\r | |
1747 | //\r | |
1748 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r | |
1749 | if (EFI_ERROR (Status)) {\r | |
1750 | //\r | |
1751 | // The information can't be got from the invalid PeImage\r | |
1752 | //\r | |
1753 | DEBUG ((DEBUG_INFO, "SecureBootConfigDxe: PeImage invalid. \n"));\r | |
1754 | return Status;\r | |
1755 | }\r | |
1756 | \r | |
ecc722ad | 1757 | //\r |
1758 | // Read the Dos header\r | |
1759 | //\r | |
1760 | DosHdr = (EFI_IMAGE_DOS_HEADER*)(mImageBase);\r | |
1761 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE)\r | |
1762 | {\r | |
1763 | //\r | |
20333c6d | 1764 | // DOS image header is present,\r |
ecc722ad | 1765 | // So read the PE header after the DOS image header\r |
1766 | //\r | |
1767 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
1768 | }\r | |
1769 | else\r | |
1770 | {\r | |
1771 | mPeCoffHeaderOffset = 0;\r | |
1772 | }\r | |
1773 | \r | |
1774 | //\r | |
1775 | // Read PE header and check the signature validity and machine compatibility\r | |
1776 | //\r | |
1777 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32*) (mImageBase + mPeCoffHeaderOffset);\r | |
1778 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE)\r | |
1779 | {\r | |
1780 | return EFI_UNSUPPORTED;\r | |
1781 | }\r | |
1782 | \r | |
1783 | mNtHeader.Pe32 = NtHeader32;\r | |
1784 | \r | |
1785 | //\r | |
1786 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1787 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1788 | //\r | |
20333c6d | 1789 | if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32)\r |
a16170a1 AB |
1790 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)\r |
1791 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)) {\r | |
ecc722ad | 1792 | //\r |
a16170a1 | 1793 | // 32-bits Architecture\r |
ecc722ad | 1794 | //\r |
1795 | mImageType = ImageType_IA32;\r | |
1796 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1797 | }\r | |
1798 | else if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
a16170a1 AB |
1799 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)\r |
1800 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_AARCH64)) {\r | |
ecc722ad | 1801 | //\r |
1802 | // 64-bits Architecture\r | |
1803 | //\r | |
1804 | mImageType = ImageType_X64;\r | |
1805 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *) (mImageBase + mPeCoffHeaderOffset);\r | |
1806 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1807 | } else {\r | |
1808 | return EFI_UNSUPPORTED;\r | |
1809 | }\r | |
1810 | \r | |
1811 | return EFI_SUCCESS;\r | |
1812 | }\r | |
1813 | \r | |
1814 | /**\r | |
1815 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1816 | PE/COFF Specification 8.0 Appendix A\r | |
1817 | \r | |
5e9dfc67 LG |
1818 | Notes: PE/COFF image has been checked by BasePeCoffLib PeCoffLoaderGetImageInfo() in \r |
1819 | the function LoadPeImage ().\r | |
1820 | \r | |
ecc722ad | 1821 | @param[in] HashAlg Hash algorithm type.\r |
20333c6d | 1822 | \r |
ecc722ad | 1823 | @retval TRUE Successfully hash image.\r |
1824 | @retval FALSE Fail in hash image.\r | |
1825 | \r | |
1826 | **/\r | |
20333c6d | 1827 | BOOLEAN\r |
ecc722ad | 1828 | HashPeImage (\r |
1829 | IN UINT32 HashAlg\r | |
1830 | )\r | |
1831 | {\r | |
1832 | BOOLEAN Status;\r | |
1833 | UINT16 Magic;\r | |
1834 | EFI_IMAGE_SECTION_HEADER *Section;\r | |
1835 | VOID *HashCtx;\r | |
1836 | UINTN CtxSize;\r | |
1837 | UINT8 *HashBase;\r | |
1838 | UINTN HashSize;\r | |
1839 | UINTN SumOfBytesHashed;\r | |
1840 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1841 | UINTN Index;\r | |
1842 | UINTN Pos;\r | |
1843 | \r | |
1844 | HashCtx = NULL;\r | |
1845 | SectionHeader = NULL;\r | |
1846 | Status = FALSE;\r | |
1847 | \r | |
c035e373 | 1848 | if (HashAlg != HASHALG_SHA256) {\r |
ecc722ad | 1849 | return FALSE;\r |
1850 | }\r | |
20333c6d | 1851 | \r |
ecc722ad | 1852 | //\r |
1853 | // Initialize context of hash.\r | |
1854 | //\r | |
1855 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1856 | \r | |
c035e373 ZL |
1857 | mImageDigestSize = SHA256_DIGEST_SIZE;\r |
1858 | mCertType = gEfiCertSha256Guid;\r | |
ecc722ad | 1859 | \r |
1860 | CtxSize = mHash[HashAlg].GetContextSize();\r | |
20333c6d | 1861 | \r |
ecc722ad | 1862 | HashCtx = AllocatePool (CtxSize);\r |
1863 | ASSERT (HashCtx != NULL);\r | |
1864 | \r | |
1865 | // 1. Load the image header into memory.\r | |
1866 | \r | |
1867 | // 2. Initialize a SHA hash context.\r | |
1868 | Status = mHash[HashAlg].HashInit(HashCtx);\r | |
1869 | if (!Status) {\r | |
1870 | goto Done;\r | |
1871 | }\r | |
1872 | //\r | |
1873 | // Measuring PE/COFF Image Header;\r | |
1874 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1875 | //\r | |
de2447dd | 1876 | if (mNtHeader.Pe32->FileHeader.Machine == IMAGE_FILE_MACHINE_IA64 && mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
1877 | //\r | |
20333c6d QL |
1878 | // NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value\r |
1879 | // in the PE/COFF Header. If the MachineType is Itanium(IA64) and the\r | |
de2447dd | 1880 | // Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC\r |
1881 | // then override the magic value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC\r | |
1882 | //\r | |
1883 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
1884 | } else {\r | |
1885 | //\r | |
1886 | // Get the magic value from the PE/COFF Optional Header\r | |
1887 | //\r | |
1888 | Magic = mNtHeader.Pe32->OptionalHeader.Magic;\r | |
1889 | }\r | |
20333c6d | 1890 | \r |
ecc722ad | 1891 | //\r |
1892 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1893 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1894 | //\r | |
1895 | HashBase = mImageBase;\r | |
1896 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1897 | //\r | |
1898 | // Use PE32 offset.\r | |
1899 | //\r | |
4333b99d | 1900 | HashSize = (UINTN) (&mNtHeader.Pe32->OptionalHeader.CheckSum) - (UINTN) HashBase;\r |
ecc722ad | 1901 | } else {\r |
1902 | //\r | |
1903 | // Use PE32+ offset.\r | |
1904 | //\r | |
4333b99d | 1905 | HashSize = (UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - (UINTN) HashBase;\r |
ecc722ad | 1906 | }\r |
1907 | \r | |
1908 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1909 | if (!Status) {\r | |
1910 | goto Done;\r | |
1911 | }\r | |
1912 | //\r | |
1913 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1914 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1915 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1916 | //\r | |
1917 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1918 | //\r | |
1919 | // Use PE32 offset.\r | |
1920 | //\r | |
1921 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r | |
4333b99d | 1922 | HashSize = (UINTN) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN) HashBase;\r |
ecc722ad | 1923 | } else {\r |
1924 | //\r | |
1925 | // Use PE32+ offset.\r | |
20333c6d | 1926 | //\r |
ecc722ad | 1927 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r |
4333b99d | 1928 | HashSize = (UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN) HashBase;\r |
ecc722ad | 1929 | }\r |
1930 | \r | |
1931 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1932 | if (!Status) {\r | |
1933 | goto Done;\r | |
1934 | }\r | |
1935 | //\r | |
1936 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
1937 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
1938 | //\r | |
1939 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1940 | //\r | |
1941 | // Use PE32 offset\r | |
1942 | //\r | |
1943 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
4333b99d | 1944 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - ((UINTN) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN) mImageBase);\r |
ecc722ad | 1945 | } else {\r |
1946 | //\r | |
1947 | // Use PE32+ offset.\r | |
1948 | //\r | |
1949 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
4333b99d | 1950 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - ((UINTN) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN) mImageBase);\r |
ecc722ad | 1951 | }\r |
1952 | \r | |
1953 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1954 | if (!Status) {\r | |
1955 | goto Done;\r | |
1956 | }\r | |
1957 | //\r | |
1958 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
1959 | //\r | |
1960 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1961 | //\r | |
1962 | // Use PE32 offset.\r | |
1963 | //\r | |
1964 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
1965 | } else {\r | |
1966 | //\r | |
1967 | // Use PE32+ offset\r | |
1968 | //\r | |
1969 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
1970 | }\r | |
1971 | \r | |
1972 | //\r | |
1973 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
1974 | // structures in the image. The 'NumberOfSections' field of the image\r | |
1975 | // header indicates how big the table should be. Do not include any\r | |
1976 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
1977 | //\r | |
1978 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *) AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r | |
1979 | ASSERT (SectionHeader != NULL);\r | |
1980 | //\r | |
1981 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
1982 | // a key, arrange the elements in the table in ascending order. In other\r | |
1983 | // words, sort the section headers according to the disk-file offset of\r | |
1984 | // the section.\r | |
1985 | //\r | |
1986 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1987 | mImageBase +\r | |
1988 | mPeCoffHeaderOffset +\r | |
1989 | sizeof (UINT32) +\r | |
1990 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
1991 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1992 | );\r | |
1993 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1994 | Pos = Index;\r | |
1995 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
1996 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1997 | Pos--;\r | |
1998 | }\r | |
1999 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
2000 | Section += 1;\r | |
2001 | }\r | |
2002 | \r | |
2003 | //\r | |
2004 | // 13. Walk through the sorted table, bring the corresponding section\r | |
2005 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
2006 | // field in the section header to determine the amount of data to hash).\r | |
2007 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
2008 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
2009 | //\r | |
2010 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
2011 | Section = &SectionHeader[Index];\r | |
2012 | if (Section->SizeOfRawData == 0) {\r | |
2013 | continue;\r | |
2014 | }\r | |
2015 | HashBase = mImageBase + Section->PointerToRawData;\r | |
2016 | HashSize = (UINTN) Section->SizeOfRawData;\r | |
2017 | \r | |
2018 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
2019 | if (!Status) {\r | |
2020 | goto Done;\r | |
2021 | }\r | |
2022 | \r | |
2023 | SumOfBytesHashed += HashSize;\r | |
2024 | }\r | |
2025 | \r | |
2026 | //\r | |
2027 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
2028 | // data in the file that needs to be added to the hash. This data begins\r | |
2029 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
2030 | // FileSize - (CertDirectory->Size)\r | |
2031 | //\r | |
2032 | if (mImageSize > SumOfBytesHashed) {\r | |
2033 | HashBase = mImageBase + SumOfBytesHashed;\r | |
2034 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
2035 | //\r | |
2036 | // Use PE32 offset.\r | |
2037 | //\r | |
2038 | HashSize = (UINTN)(\r | |
2039 | mImageSize -\r | |
2040 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
2041 | SumOfBytesHashed);\r | |
2042 | } else {\r | |
2043 | //\r | |
2044 | // Use PE32+ offset.\r | |
2045 | //\r | |
2046 | HashSize = (UINTN)(\r | |
2047 | mImageSize -\r | |
2048 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
20333c6d | 2049 | SumOfBytesHashed);\r |
ecc722ad | 2050 | }\r |
2051 | \r | |
2052 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
2053 | if (!Status) {\r | |
2054 | goto Done;\r | |
2055 | }\r | |
2056 | }\r | |
2057 | \r | |
2058 | Status = mHash[HashAlg].HashFinal(HashCtx, mImageDigest);\r | |
2059 | \r | |
2060 | Done:\r | |
2061 | if (HashCtx != NULL) {\r | |
2062 | FreePool (HashCtx);\r | |
2063 | }\r | |
2064 | if (SectionHeader != NULL) {\r | |
2065 | FreePool (SectionHeader);\r | |
2066 | }\r | |
2067 | return Status;\r | |
2068 | }\r | |
2069 | \r | |
2070 | /**\r | |
69f8bb52 | 2071 | Recognize the Hash algorithm in PE/COFF Authenticode and calculate hash of\r |
20333c6d | 2072 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification\r |
ecc722ad | 2073 | 8.0 Appendix A\r |
2074 | \r | |
2075 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
2076 | @retval EFI_SUCCESS Hash successfully.\r | |
2077 | \r | |
2078 | **/\r | |
20333c6d | 2079 | EFI_STATUS\r |
ecc722ad | 2080 | HashPeImageByType (\r |
2081 | VOID\r | |
2082 | )\r | |
2083 | {\r | |
2084 | UINT8 Index;\r | |
2085 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
2086 | \r | |
2087 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *) (mImageBase + mSecDataDir->Offset);\r | |
2088 | \r | |
20333c6d | 2089 | for (Index = 0; Index < HASHALG_MAX; Index++) {\r |
ecc722ad | 2090 | //\r |
2091 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
20333c6d | 2092 | // According to PKCS#7 Definition:\r |
ecc722ad | 2093 | // SignedData ::= SEQUENCE {\r |
2094 | // version Version,\r | |
2095 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
2096 | // contentInfo ContentInfo,\r | |
2097 | // .... }\r | |
2098 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
2099 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
2100 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
2101 | //\r | |
2102 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r | |
2103 | //\r | |
2104 | // Only support two bytes of Long Form of Length Encoding.\r | |
2105 | //\r | |
2106 | continue;\r | |
2107 | }\r | |
2108 | \r | |
20333c6d | 2109 | //\r |
ecc722ad | 2110 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r |
2111 | break;\r | |
2112 | }\r | |
2113 | }\r | |
2114 | \r | |
2115 | if (Index == HASHALG_MAX) {\r | |
2116 | return EFI_UNSUPPORTED;\r | |
2117 | }\r | |
2118 | \r | |
2119 | //\r | |
2120 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
2121 | //\r | |
2122 | if (!HashPeImage(Index)) {\r | |
2123 | return EFI_UNSUPPORTED;\r | |
2124 | }\r | |
2125 | \r | |
2126 | return EFI_SUCCESS;\r | |
2127 | }\r | |
2128 | \r | |
4de754e1 ZC |
2129 | /**\r |
2130 | Enroll a new executable's signature into Signature Database.\r | |
2131 | \r | |
2132 | @param[in] PrivateData The module's private data.\r | |
2133 | @param[in] VariableName Variable name of signature database, must be\r | |
2134 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2135 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
2136 | \r | |
2137 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2138 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2139 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2140 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2141 | \r | |
2142 | **/\r | |
2143 | EFI_STATUS\r | |
2144 | EnrollAuthentication2Descriptor (\r | |
2145 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2146 | IN CHAR16 *VariableName\r | |
2147 | )\r | |
2148 | {\r | |
2149 | EFI_STATUS Status;\r | |
2150 | VOID *Data;\r | |
2151 | UINTN DataSize;\r | |
2152 | UINT32 Attr;\r | |
2153 | \r | |
2154 | Data = NULL;\r | |
2155 | \r | |
2156 | //\r | |
2157 | // DBT only support DER-X509 Cert Enrollment\r | |
2158 | //\r | |
2159 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r | |
2160 | return EFI_UNSUPPORTED;\r | |
2161 | }\r | |
2162 | \r | |
2163 | //\r | |
2164 | // Read the whole file content\r | |
2165 | //\r | |
2166 | Status = ReadFileContent(\r | |
2167 | Private->FileContext->FHandle,\r | |
2168 | (VOID **) &mImageBase,\r | |
2169 | &mImageSize,\r | |
2170 | 0\r | |
2171 | );\r | |
2172 | if (EFI_ERROR (Status)) {\r | |
2173 | goto ON_EXIT;\r | |
2174 | }\r | |
2175 | ASSERT (mImageBase != NULL);\r | |
2176 | \r | |
2177 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
2178 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
2179 | \r | |
2180 | //\r | |
2181 | // Check if SigDB variable has been already existed.\r | |
2182 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
2183 | // new signature data to original variable\r | |
2184 | //\r | |
2185 | DataSize = 0;\r | |
2186 | Status = gRT->GetVariable(\r | |
2187 | VariableName,\r | |
2188 | &gEfiImageSecurityDatabaseGuid,\r | |
2189 | NULL,\r | |
2190 | &DataSize,\r | |
2191 | NULL\r | |
2192 | );\r | |
2193 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2194 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2195 | } else if (Status != EFI_NOT_FOUND) {\r | |
2196 | goto ON_EXIT;\r | |
2197 | }\r | |
2198 | \r | |
2199 | //\r | |
2200 | // Diretly set AUTHENTICATION_2 data to SetVariable\r | |
2201 | //\r | |
2202 | Status = gRT->SetVariable(\r | |
2203 | VariableName,\r | |
2204 | &gEfiImageSecurityDatabaseGuid,\r | |
2205 | Attr,\r | |
2206 | mImageSize,\r | |
2207 | mImageBase\r | |
2208 | );\r | |
2209 | \r | |
2210 | DEBUG((DEBUG_INFO, "Enroll AUTH_2 data to Var:%s Status: %x\n", VariableName, Status));\r | |
2211 | \r | |
2212 | ON_EXIT:\r | |
2213 | \r | |
2214 | CloseEnrolledFile(Private->FileContext);\r | |
2215 | \r | |
2216 | if (Data != NULL) {\r | |
2217 | FreePool (Data);\r | |
2218 | }\r | |
2219 | \r | |
2220 | if (mImageBase != NULL) {\r | |
2221 | FreePool (mImageBase);\r | |
2222 | mImageBase = NULL;\r | |
2223 | }\r | |
2224 | \r | |
2225 | return Status;\r | |
2226 | \r | |
2227 | }\r | |
2228 | \r | |
2229 | \r | |
ecc722ad | 2230 | /**\r |
20333c6d | 2231 | Enroll a new executable's signature into Signature Database.\r |
ecc722ad | 2232 | \r |
2233 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
2234 | @param[in] VariableName Variable name of signature database, must be\r |
2235 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2236 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
ecc722ad | 2237 | \r |
2238 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2239 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2240 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2241 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2242 | \r | |
2243 | **/\r | |
2244 | EFI_STATUS\r | |
2245 | EnrollImageSignatureToSigDB (\r | |
2246 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2247 | IN CHAR16 *VariableName\r | |
2248 | )\r | |
2249 | {\r | |
2250 | EFI_STATUS Status;\r | |
2251 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
2252 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
2253 | VOID *Data;\r | |
2254 | UINTN DataSize;\r | |
2255 | UINTN SigDBSize;\r | |
2256 | UINT32 Attr;\r | |
2257 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
2258 | \r | |
2259 | Data = NULL;\r | |
2260 | GuidCertData = NULL;\r | |
ecc722ad | 2261 | \r |
20333c6d QL |
2262 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r |
2263 | return EFI_UNSUPPORTED;\r | |
2264 | }\r | |
2265 | \r | |
ecc722ad | 2266 | //\r |
2267 | // Form the SigDB certificate list.\r | |
2268 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
2269 | //\r | |
2270 | // We need to parse executable's signature data from specified signed executable file.\r | |
2271 | // In current implementation, we simply trust the pass-in signed executable file.\r | |
2272 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
2273 | //\r | |
2274 | \r | |
2275 | //\r | |
2276 | // Read the whole file content\r | |
2277 | //\r | |
2278 | Status = ReadFileContent(\r | |
2279 | Private->FileContext->FHandle,\r | |
20333c6d QL |
2280 | (VOID **) &mImageBase,\r |
2281 | &mImageSize,\r | |
ecc722ad | 2282 | 0\r |
2283 | );\r | |
2284 | if (EFI_ERROR (Status)) {\r | |
2285 | goto ON_EXIT;\r | |
20333c6d | 2286 | }\r |
ba57d4fd | 2287 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 2288 | \r |
2289 | Status = LoadPeImage ();\r | |
2290 | if (EFI_ERROR (Status)) {\r | |
2291 | goto ON_EXIT;\r | |
2292 | }\r | |
2293 | \r | |
2294 | if (mSecDataDir->SizeOfCert == 0) {\r | |
2295 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2296 | Status = EFI_SECURITY_VIOLATION;\r | |
2297 | goto ON_EXIT;\r | |
2298 | }\r | |
2299 | } else {\r | |
20333c6d | 2300 | \r |
ecc722ad | 2301 | //\r |
2302 | // Read the certificate data\r | |
2303 | //\r | |
2304 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
2305 | \r | |
2306 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
2307 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID*) mCertificate;\r | |
2308 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof(EFI_GUID)) != 0) {\r | |
2309 | Status = EFI_ABORTED;\r | |
2310 | goto ON_EXIT;\r | |
2311 | }\r | |
2312 | \r | |
2313 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2314 | Status = EFI_ABORTED;\r | |
2315 | goto ON_EXIT;;\r | |
2316 | }\r | |
20333c6d | 2317 | \r |
ecc722ad | 2318 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r |
2319 | \r | |
2320 | Status = HashPeImageByType ();\r | |
2321 | if (EFI_ERROR (Status)) {\r | |
2322 | goto ON_EXIT;;\r | |
2323 | }\r | |
2324 | } else {\r | |
2325 | Status = EFI_ABORTED;\r | |
2326 | goto ON_EXIT;\r | |
2327 | }\r | |
2328 | }\r | |
2329 | \r | |
2330 | //\r | |
2331 | // Create a new SigDB entry.\r | |
2332 | //\r | |
20333c6d | 2333 | SigDBSize = sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 2334 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
2335 | + (UINT32) mImageDigestSize;\r | |
2336 | \r | |
2337 | Data = (UINT8*) AllocateZeroPool (SigDBSize);\r | |
2338 | if (Data == NULL) {\r | |
2339 | Status = EFI_OUT_OF_RESOURCES;\r | |
2340 | goto ON_EXIT;\r | |
2341 | }\r | |
20333c6d | 2342 | \r |
ecc722ad | 2343 | //\r |
2344 | // Adjust the Certificate Database parameters.\r | |
20333c6d | 2345 | //\r |
ecc722ad | 2346 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r |
2347 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
2348 | SigDBCert->SignatureHeaderSize = 0;\r | |
2349 | SigDBCert->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + (UINT32) mImageDigestSize;\r | |
2350 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r | |
2351 | \r | |
2352 | SigDBCertData = (EFI_SIGNATURE_DATA*)((UINT8*)SigDBCert + sizeof(EFI_SIGNATURE_LIST));\r | |
2353 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
2354 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
2355 | \r | |
20333c6d | 2356 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r |
8c1babfd | 2357 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
2358 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
2359 | if (EFI_ERROR (Status)) {\r | |
2360 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2361 | goto ON_EXIT;\r | |
2362 | }\r | |
20333c6d | 2363 | \r |
ecc722ad | 2364 | //\r |
20333c6d QL |
2365 | // Check if SigDB variable has been already existed.\r |
2366 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 2367 | // new signature data to original variable\r |
20333c6d | 2368 | //\r |
ecc722ad | 2369 | DataSize = 0;\r |
2370 | Status = gRT->GetVariable(\r | |
20333c6d QL |
2371 | VariableName,\r |
2372 | &gEfiImageSecurityDatabaseGuid,\r | |
2373 | NULL,\r | |
2374 | &DataSize,\r | |
ecc722ad | 2375 | NULL\r |
2376 | );\r | |
2377 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2378 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2379 | } else if (Status != EFI_NOT_FOUND) {\r | |
2380 | goto ON_EXIT;\r | |
20333c6d | 2381 | }\r |
ecc722ad | 2382 | \r |
2383 | //\r | |
2384 | // Enroll the variable.\r | |
2385 | //\r | |
2386 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2387 | VariableName,\r |
2388 | &gEfiImageSecurityDatabaseGuid,\r | |
2389 | Attr,\r | |
2390 | SigDBSize,\r | |
ecc722ad | 2391 | Data\r |
2392 | );\r | |
2393 | if (EFI_ERROR (Status)) {\r | |
2394 | goto ON_EXIT;\r | |
2395 | }\r | |
2396 | \r | |
2397 | ON_EXIT:\r | |
2398 | \r | |
4de754e1 | 2399 | CloseEnrolledFile(Private->FileContext);\r |
ecc722ad | 2400 | \r |
2401 | if (Private->SignatureGUID != NULL) {\r | |
2402 | FreePool (Private->SignatureGUID);\r | |
2403 | Private->SignatureGUID = NULL;\r | |
2404 | }\r | |
2405 | \r | |
2406 | if (Data != NULL) {\r | |
2407 | FreePool (Data);\r | |
2408 | }\r | |
2409 | \r | |
2410 | if (mImageBase != NULL) {\r | |
2411 | FreePool (mImageBase);\r | |
2412 | mImageBase = NULL;\r | |
2413 | }\r | |
2414 | \r | |
2415 | return Status;\r | |
2416 | }\r | |
2417 | \r | |
2418 | /**\r | |
20333c6d | 2419 | Enroll signature into DB/DBX/DBT without KEK's authentication.\r |
ecc722ad | 2420 | The SignatureOwner GUID will be Private->SignatureGUID.\r |
20333c6d | 2421 | \r |
ecc722ad | 2422 | @param[in] PrivateData The module's private data.\r |
20333c6d | 2423 | @param[in] VariableName Variable name of signature database, must be\r |
ecc722ad | 2424 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r |
20333c6d | 2425 | \r |
ecc722ad | 2426 | @retval EFI_SUCCESS New signature enrolled successfully.\r |
2427 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2428 | @retval others Fail to enroll signature data.\r | |
20333c6d | 2429 | \r |
ecc722ad | 2430 | **/\r |
2431 | EFI_STATUS\r | |
2432 | EnrollSignatureDatabase (\r | |
2433 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2434 | IN CHAR16 *VariableName\r | |
20333c6d | 2435 | )\r |
ecc722ad | 2436 | {\r |
2437 | UINT16* FilePostFix;\r | |
f71ed839 | 2438 | EFI_STATUS Status;\r |
fd64f84f | 2439 | UINTN NameLength;\r |
ecc722ad | 2440 | \r |
2441 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
2442 | return EFI_INVALID_PARAMETER;\r | |
2443 | }\r | |
2444 | \r | |
20333c6d | 2445 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 2446 | if (EFI_ERROR (Status)) {\r |
2447 | return Status;\r | |
2448 | }\r | |
20333c6d | 2449 | \r |
ecc722ad | 2450 | //\r |
20333c6d | 2451 | // Parse the file's postfix.\r |
ecc722ad | 2452 | //\r |
fd64f84f GCPL |
2453 | NameLength = StrLen (Private->FileContext->FileName);\r |
2454 | if (NameLength <= 4) {\r | |
2455 | return EFI_INVALID_PARAMETER;\r | |
2456 | }\r | |
2457 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
20333c6d | 2458 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
ecc722ad | 2459 | //\r |
e4d7370d | 2460 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 2461 | //\r |
2462 | return EnrollX509toSigDB (Private, VariableName);\r | |
4de754e1 ZC |
2463 | } else if (IsAuthentication2Format(Private->FileContext->FHandle)){\r |
2464 | return EnrollAuthentication2Descriptor(Private, VariableName);\r | |
2465 | } else {\r | |
2466 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
ecc722ad | 2467 | }\r |
ecc722ad | 2468 | }\r |
2469 | \r | |
2470 | /**\r | |
20333c6d | 2471 | List all signatures in specified signature database (e.g. KEK/DB/DBX/DBT)\r |
ecc722ad | 2472 | by GUID in the page for user to select and delete as needed.\r |
2473 | \r | |
2474 | @param[in] PrivateData Module's private data.\r | |
2475 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2476 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2477 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2478 | @param[in] FormId Form ID of current page.\r | |
2479 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2480 | \r | |
2481 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2482 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
20333c6d | 2483 | \r |
ecc722ad | 2484 | **/\r |
2485 | EFI_STATUS\r | |
2486 | UpdateDeletePage (\r | |
2487 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2488 | IN CHAR16 *VariableName,\r | |
2489 | IN EFI_GUID *VendorGuid,\r | |
2490 | IN UINT16 LabelNumber,\r | |
2491 | IN EFI_FORM_ID FormId,\r | |
2492 | IN EFI_QUESTION_ID QuestionIdBase\r | |
2493 | )\r | |
2494 | {\r | |
2495 | EFI_STATUS Status;\r | |
2496 | UINT32 Index;\r | |
2497 | UINTN CertCount;\r | |
2498 | UINTN GuidIndex;\r | |
2499 | VOID *StartOpCodeHandle;\r | |
2500 | VOID *EndOpCodeHandle;\r | |
2501 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
20333c6d | 2502 | EFI_IFR_GUID_LABEL *EndLabel;\r |
ecc722ad | 2503 | UINTN DataSize;\r |
2504 | UINT8 *Data;\r | |
2505 | EFI_SIGNATURE_LIST *CertList;\r | |
2506 | EFI_SIGNATURE_DATA *Cert;\r | |
2507 | UINT32 ItemDataSize;\r | |
2508 | CHAR16 *GuidStr;\r | |
2509 | EFI_STRING_ID GuidID;\r | |
2510 | EFI_STRING_ID Help;\r | |
2511 | \r | |
2512 | Data = NULL;\r | |
2513 | CertList = NULL;\r | |
2514 | Cert = NULL;\r | |
2515 | GuidStr = NULL;\r | |
2516 | StartOpCodeHandle = NULL;\r | |
2517 | EndOpCodeHandle = NULL;\r | |
20333c6d | 2518 | \r |
ecc722ad | 2519 | //\r |
2520 | // Initialize the container for dynamic opcodes.\r | |
2521 | //\r | |
2522 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2523 | if (StartOpCodeHandle == NULL) {\r | |
2524 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2525 | goto ON_EXIT;\r |
ecc722ad | 2526 | }\r |
2527 | \r | |
2528 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2529 | if (EndOpCodeHandle == NULL) {\r | |
2530 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2531 | goto ON_EXIT;\r |
ecc722ad | 2532 | }\r |
2533 | \r | |
2534 | //\r | |
2535 | // Create Hii Extend Label OpCode.\r | |
2536 | //\r | |
2537 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2538 | StartOpCodeHandle,\r | |
2539 | &gEfiIfrTianoGuid,\r | |
2540 | NULL,\r | |
2541 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2542 | );\r | |
2543 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2544 | StartLabel->Number = LabelNumber;\r | |
2545 | \r | |
2546 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2547 | EndOpCodeHandle,\r | |
2548 | &gEfiIfrTianoGuid,\r | |
2549 | NULL,\r | |
2550 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2551 | );\r | |
2552 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2553 | EndLabel->Number = LABEL_END;\r | |
2554 | \r | |
2555 | //\r | |
2556 | // Read Variable.\r | |
2557 | //\r | |
2558 | DataSize = 0;\r | |
20333c6d | 2559 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r |
ecc722ad | 2560 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r |
2561 | goto ON_EXIT;\r | |
2562 | }\r | |
2563 | \r | |
2564 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2565 | if (Data == NULL) {\r | |
2566 | Status = EFI_OUT_OF_RESOURCES;\r | |
2567 | goto ON_EXIT;\r | |
2568 | }\r | |
2569 | \r | |
2570 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
2571 | if (EFI_ERROR (Status)) {\r | |
2572 | goto ON_EXIT;\r | |
2573 | }\r | |
2574 | \r | |
2575 | GuidStr = AllocateZeroPool (100);\r | |
2576 | if (GuidStr == NULL) {\r | |
2577 | Status = EFI_OUT_OF_RESOURCES;\r | |
2578 | goto ON_EXIT;\r | |
2579 | }\r | |
2580 | \r | |
2581 | //\r | |
2582 | // Enumerate all KEK pub data.\r | |
2583 | //\r | |
2584 | ItemDataSize = (UINT32) DataSize;\r | |
2585 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2586 | GuidIndex = 0;\r | |
2587 | \r | |
2588 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2589 | \r | |
2590 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
2591 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
2592 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2593 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
2594 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
2595 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
2596 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
2597 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
20333c6d QL |
2598 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid)) {\r |
2599 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA256_GUID);\r | |
2600 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
2601 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA384_GUID);\r | |
2602 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
2603 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA512_GUID);\r | |
ecc722ad | 2604 | } else {\r |
2605 | //\r | |
2606 | // The signature type is not supported in current implementation.\r | |
2607 | //\r | |
b7d269ea | 2608 | ItemDataSize -= CertList->SignatureListSize;\r |
2609 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
ecc722ad | 2610 | continue;\r |
2611 | }\r | |
2612 | \r | |
2613 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2614 | for (Index = 0; Index < CertCount; Index++) {\r | |
20333c6d QL |
2615 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList\r |
2616 | + sizeof (EFI_SIGNATURE_LIST)\r | |
2617 | + CertList->SignatureHeaderSize\r | |
ecc722ad | 2618 | + Index * CertList->SignatureSize);\r |
2619 | //\r | |
20333c6d | 2620 | // Display GUID and help\r |
ecc722ad | 2621 | //\r |
2622 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
2623 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r | |
2624 | HiiCreateCheckBoxOpCode (\r | |
2625 | StartOpCodeHandle,\r | |
2626 | (EFI_QUESTION_ID) (QuestionIdBase + GuidIndex++),\r | |
20333c6d QL |
2627 | 0,\r |
2628 | 0,\r | |
2629 | GuidID,\r | |
ecc722ad | 2630 | Help,\r |
2631 | EFI_IFR_FLAG_CALLBACK,\r | |
2632 | 0,\r | |
2633 | NULL\r | |
20333c6d | 2634 | );\r |
ecc722ad | 2635 | }\r |
2636 | \r | |
2637 | ItemDataSize -= CertList->SignatureListSize;\r | |
2638 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2639 | }\r | |
2640 | \r | |
2641 | ON_EXIT:\r | |
2642 | HiiUpdateForm (\r | |
2643 | PrivateData->HiiHandle,\r | |
2644 | &gSecureBootConfigFormSetGuid,\r | |
2645 | FormId,\r | |
2646 | StartOpCodeHandle,\r | |
2647 | EndOpCodeHandle\r | |
2648 | );\r | |
2649 | \r | |
2650 | if (StartOpCodeHandle != NULL) {\r | |
2651 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2652 | }\r | |
2653 | \r | |
2654 | if (EndOpCodeHandle != NULL) {\r | |
2655 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2656 | }\r | |
20333c6d | 2657 | \r |
ecc722ad | 2658 | if (Data != NULL) {\r |
2659 | FreePool (Data);\r | |
2660 | }\r | |
2661 | \r | |
2662 | if (GuidStr != NULL) {\r | |
2663 | FreePool (GuidStr);\r | |
2664 | }\r | |
2665 | \r | |
2666 | return EFI_SUCCESS;\r | |
2667 | }\r | |
2668 | \r | |
beda2356 | 2669 | /**\r |
20333c6d | 2670 | Delete a KEK entry from KEK database.\r |
beda2356 | 2671 | \r |
ecc722ad | 2672 | @param[in] PrivateData Module's private data.\r |
2673 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 2674 | \r |
ecc722ad | 2675 | @retval EFI_SUCCESS Delete kek item successfully.\r |
2676 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 2677 | \r |
ecc722ad | 2678 | **/\r |
2679 | EFI_STATUS\r | |
2680 | DeleteKeyExchangeKey (\r | |
2681 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2682 | IN EFI_QUESTION_ID QuestionId\r | |
2683 | )\r | |
2684 | {\r | |
2685 | EFI_STATUS Status;\r | |
2686 | UINTN DataSize;\r | |
2687 | UINT8 *Data;\r | |
2688 | UINT8 *OldData;\r | |
2689 | UINT32 Attr;\r | |
2690 | UINT32 Index;\r | |
2691 | EFI_SIGNATURE_LIST *CertList;\r | |
2692 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2693 | EFI_SIGNATURE_DATA *Cert;\r | |
2694 | UINTN CertCount;\r | |
2695 | UINT32 Offset;\r | |
2696 | BOOLEAN IsKEKItemFound;\r | |
2697 | UINT32 KekDataSize;\r | |
2698 | UINTN DeleteKekIndex;\r | |
2699 | UINTN GuidIndex;\r | |
2700 | \r | |
2701 | Data = NULL;\r | |
2702 | OldData = NULL;\r | |
2703 | CertList = NULL;\r | |
2704 | Cert = NULL;\r | |
20333c6d | 2705 | Attr = 0;\r |
ecc722ad | 2706 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r |
f71ed839 | 2707 | \r |
2708 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
2709 | if (EFI_ERROR (Status)) {\r | |
2710 | return Status;\r | |
2711 | }\r | |
20333c6d | 2712 | \r |
ecc722ad | 2713 | //\r |
2714 | // Get original KEK variable.\r | |
20333c6d QL |
2715 | //\r |
2716 | DataSize = 0;\r | |
ecc722ad | 2717 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r |
2718 | if (EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2719 | goto ON_EXIT;\r | |
2720 | }\r | |
2721 | \r | |
2722 | OldData = (UINT8*)AllocateZeroPool(DataSize);\r | |
2723 | if (OldData == NULL) {\r | |
20333c6d | 2724 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2725 | goto ON_EXIT;\r |
2726 | }\r | |
2727 | \r | |
2728 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
2729 | if (EFI_ERROR(Status)) {\r | |
2730 | goto ON_EXIT;\r | |
2731 | }\r | |
2732 | \r | |
2733 | //\r | |
20333c6d | 2734 | // Allocate space for new variable.\r |
ecc722ad | 2735 | //\r |
2736 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2737 | if (Data == NULL) {\r | |
2738 | Status = EFI_OUT_OF_RESOURCES;\r | |
2739 | goto ON_EXIT;\r | |
2740 | }\r | |
2741 | \r | |
2742 | //\r | |
2743 | // Enumerate all KEK pub data and erasing the target item.\r | |
2744 | //\r | |
2745 | IsKEKItemFound = FALSE;\r | |
2746 | KekDataSize = (UINT32) DataSize;\r | |
2747 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2748 | Offset = 0;\r | |
2749 | GuidIndex = 0;\r | |
2750 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2751 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2752 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2753 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2754 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
2755 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2756 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2757 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2758 | for (Index = 0; Index < CertCount; Index++) {\r | |
2759 | if (GuidIndex == DeleteKekIndex ) {\r | |
2760 | //\r | |
2761 | // Find it! Skip it!\r | |
2762 | //\r | |
2763 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2764 | IsKEKItemFound = TRUE;\r |
ecc722ad | 2765 | } else {\r |
2766 | //\r | |
2767 | // This item doesn't match. Copy it to the Data buffer.\r | |
2768 | //\r | |
2769 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
2770 | Offset += CertList->SignatureSize;\r | |
2771 | }\r | |
2772 | GuidIndex++;\r | |
2773 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8*) Cert + CertList->SignatureSize);\r | |
2774 | }\r | |
2775 | } else {\r | |
2776 | //\r | |
2777 | // This List doesn't match. Copy it to the Data buffer.\r | |
2778 | //\r | |
2779 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
2780 | Offset += CertList->SignatureListSize;\r | |
2781 | }\r | |
20333c6d | 2782 | \r |
ecc722ad | 2783 | KekDataSize -= CertList->SignatureListSize;\r |
2784 | CertList = (EFI_SIGNATURE_LIST*) ((UINT8*) CertList + CertList->SignatureListSize);\r | |
2785 | }\r | |
2786 | \r | |
2787 | if (!IsKEKItemFound) {\r | |
2788 | //\r | |
2789 | // Doesn't find the Kek Item!\r | |
2790 | //\r | |
2791 | Status = EFI_NOT_FOUND;\r | |
2792 | goto ON_EXIT;\r | |
2793 | }\r | |
2794 | \r | |
2795 | //\r | |
2796 | // Delete the Signature header if there is no signature in the list.\r | |
2797 | //\r | |
2798 | KekDataSize = Offset;\r | |
2799 | CertList = (EFI_SIGNATURE_LIST*) Data;\r | |
2800 | Offset = 0;\r | |
2801 | ZeroMem (OldData, KekDataSize);\r | |
2802 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2803 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2804 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2805 | if (CertCount != 0) {\r |
2806 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
2807 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2808 | }\r |
ecc722ad | 2809 | KekDataSize -= CertList->SignatureListSize;\r |
2810 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2811 | }\r | |
2812 | \r | |
ecc722ad | 2813 | DataSize = Offset;\r |
8c1babfd | 2814 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2815 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2816 | if (EFI_ERROR (Status)) {\r | |
2817 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2818 | goto ON_EXIT;\r | |
2819 | }\r | |
2820 | }\r | |
ecc722ad | 2821 | \r |
2822 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2823 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2824 | &gEfiGlobalVariableGuid,\r | |
2825 | Attr,\r | |
2826 | DataSize,\r | |
ecc722ad | 2827 | OldData\r |
2828 | );\r | |
2829 | if (EFI_ERROR (Status)) {\r | |
2830 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
2831 | goto ON_EXIT;\r | |
2832 | }\r | |
20333c6d | 2833 | \r |
ecc722ad | 2834 | ON_EXIT:\r |
2835 | if (Data != NULL) {\r | |
2836 | FreePool(Data);\r | |
2837 | }\r | |
2838 | \r | |
2839 | if (OldData != NULL) {\r | |
2840 | FreePool(OldData);\r | |
2841 | }\r | |
2842 | \r | |
2843 | return UpdateDeletePage (\r | |
20333c6d | 2844 | PrivateData,\r |
ecc722ad | 2845 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2846 | &gEfiGlobalVariableGuid,\r | |
2847 | LABEL_KEK_DELETE,\r | |
2848 | FORMID_DELETE_KEK_FORM,\r | |
2849 | OPTION_DEL_KEK_QUESTION_ID\r | |
2850 | );\r | |
2851 | }\r | |
2852 | \r | |
2853 | /**\r | |
85974aef | 2854 | Delete a signature entry from signature database.\r |
beda2356 | 2855 | \r |
ecc722ad | 2856 | @param[in] PrivateData Module's private data.\r |
2857 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2858 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2859 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2860 | @param[in] FormId Form ID of current page.\r | |
2861 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2862 | @param[in] DeleteIndex Signature index to delete.\r | |
20333c6d | 2863 | \r |
85974aef | 2864 | @retval EFI_SUCCESS Delete signature successfully.\r |
ecc722ad | 2865 | @retval EFI_NOT_FOUND Can't find the signature item,\r |
2866 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 2867 | **/\r |
2868 | EFI_STATUS\r | |
ecc722ad | 2869 | DeleteSignature (\r |
2870 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2871 | IN CHAR16 *VariableName,\r | |
2872 | IN EFI_GUID *VendorGuid,\r | |
2873 | IN UINT16 LabelNumber,\r | |
2874 | IN EFI_FORM_ID FormId,\r | |
2875 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
2876 | IN UINTN DeleteIndex\r | |
beda2356 | 2877 | )\r |
2878 | {\r | |
ecc722ad | 2879 | EFI_STATUS Status;\r |
2880 | UINTN DataSize;\r | |
2881 | UINT8 *Data;\r | |
2882 | UINT8 *OldData;\r | |
2883 | UINT32 Attr;\r | |
2884 | UINT32 Index;\r | |
2885 | EFI_SIGNATURE_LIST *CertList;\r | |
2886 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2887 | EFI_SIGNATURE_DATA *Cert;\r | |
2888 | UINTN CertCount;\r | |
2889 | UINT32 Offset;\r | |
2890 | BOOLEAN IsItemFound;\r | |
2891 | UINT32 ItemDataSize;\r | |
2892 | UINTN GuidIndex;\r | |
bc0c99b3 | 2893 | \r |
ecc722ad | 2894 | Data = NULL;\r |
2895 | OldData = NULL;\r | |
2896 | CertList = NULL;\r | |
2897 | Cert = NULL;\r | |
20333c6d | 2898 | Attr = 0;\r |
ecc722ad | 2899 | \r |
f71ed839 | 2900 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
2901 | if (EFI_ERROR (Status)) {\r | |
2902 | return Status;\r | |
2903 | }\r | |
2904 | \r | |
ecc722ad | 2905 | //\r |
2906 | // Get original signature list data.\r | |
20333c6d | 2907 | //\r |
ecc722ad | 2908 | DataSize = 0;\r |
2909 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r | |
2910 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2911 | goto ON_EXIT;\r | |
2912 | }\r | |
2913 | \r | |
2914 | OldData = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2915 | if (OldData == NULL) {\r | |
20333c6d | 2916 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2917 | goto ON_EXIT;\r |
2918 | }\r | |
2919 | \r | |
2920 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
2921 | if (EFI_ERROR(Status)) {\r | |
2922 | goto ON_EXIT;\r | |
20333c6d | 2923 | }\r |
ecc722ad | 2924 | \r |
2925 | //\r | |
20333c6d | 2926 | // Allocate space for new variable.\r |
ecc722ad | 2927 | //\r |
2928 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2929 | if (Data == NULL) {\r | |
2930 | Status = EFI_OUT_OF_RESOURCES;\r | |
2931 | goto ON_EXIT;\r | |
2932 | }\r | |
2933 | \r | |
2934 | //\r | |
2935 | // Enumerate all signature data and erasing the target item.\r | |
2936 | //\r | |
2937 | IsItemFound = FALSE;\r | |
2938 | ItemDataSize = (UINT32) DataSize;\r | |
2939 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2940 | Offset = 0;\r | |
2941 | GuidIndex = 0;\r | |
2942 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2943 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2944 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
2945 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
20333c6d QL |
2946 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid) ||\r |
2947 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid) ||\r | |
2948 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid) ||\r | |
2949 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)\r | |
ecc722ad | 2950 | ) {\r |
2951 | //\r | |
2952 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
2953 | //\r | |
2954 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2955 | NewCertList = (EFI_SIGNATURE_LIST*) (Data + Offset);\r | |
2956 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2957 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2958 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2959 | for (Index = 0; Index < CertCount; Index++) {\r | |
2960 | if (GuidIndex == DeleteIndex) {\r | |
2961 | //\r | |
2962 | // Find it! Skip it!\r | |
2963 | //\r | |
2964 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2965 | IsItemFound = TRUE;\r |
ecc722ad | 2966 | } else {\r |
2967 | //\r | |
2968 | // This item doesn't match. Copy it to the Data buffer.\r | |
2969 | //\r | |
2970 | CopyMem (Data + Offset, (UINT8*)(Cert), CertList->SignatureSize);\r | |
2971 | Offset += CertList->SignatureSize;\r | |
2972 | }\r | |
2973 | GuidIndex++;\r | |
2974 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
2975 | }\r | |
2976 | } else {\r | |
2977 | //\r | |
2978 | // This List doesn't match. Just copy it to the Data buffer.\r | |
2979 | //\r | |
2980 | CopyMem (Data + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2981 | Offset += CertList->SignatureListSize;\r | |
2982 | }\r | |
20333c6d | 2983 | \r |
ecc722ad | 2984 | ItemDataSize -= CertList->SignatureListSize;\r |
2985 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2986 | }\r | |
2987 | \r | |
2988 | if (!IsItemFound) {\r | |
2989 | //\r | |
2990 | // Doesn't find the signature Item!\r | |
2991 | //\r | |
2992 | Status = EFI_NOT_FOUND;\r | |
2993 | goto ON_EXIT;\r | |
2994 | }\r | |
2995 | \r | |
2996 | //\r | |
2997 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
2998 | //\r | |
2999 | ItemDataSize = Offset;\r | |
3000 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
3001 | Offset = 0;\r | |
3002 | ZeroMem (OldData, ItemDataSize);\r | |
3003 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
3004 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 3005 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 3006 | if (CertCount != 0) {\r |
3007 | CopyMem (OldData + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
3008 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 3009 | }\r |
ecc722ad | 3010 | ItemDataSize -= CertList->SignatureListSize;\r |
3011 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
3012 | }\r | |
3013 | \r | |
ecc722ad | 3014 | DataSize = Offset;\r |
8c1babfd | 3015 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
3016 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
3017 | if (EFI_ERROR (Status)) {\r | |
3018 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
3019 | goto ON_EXIT;\r | |
3020 | }\r | |
3021 | }\r | |
ecc722ad | 3022 | \r |
3023 | Status = gRT->SetVariable(\r | |
20333c6d QL |
3024 | VariableName,\r |
3025 | VendorGuid,\r | |
3026 | Attr,\r | |
3027 | DataSize,\r | |
ecc722ad | 3028 | OldData\r |
3029 | );\r | |
beda2356 | 3030 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 3031 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
3032 | goto ON_EXIT;\r | |
beda2356 | 3033 | }\r |
20333c6d | 3034 | \r |
ecc722ad | 3035 | ON_EXIT:\r |
3036 | if (Data != NULL) {\r | |
3037 | FreePool(Data);\r | |
3038 | }\r | |
3039 | \r | |
3040 | if (OldData != NULL) {\r | |
3041 | FreePool(OldData);\r | |
3042 | }\r | |
3043 | \r | |
3044 | return UpdateDeletePage (\r | |
20333c6d | 3045 | PrivateData,\r |
ecc722ad | 3046 | VariableName,\r |
3047 | VendorGuid,\r | |
3048 | LabelNumber,\r | |
3049 | FormId,\r | |
3050 | QuestionIdBase\r | |
3051 | );\r | |
3052 | }\r | |
3053 | \r | |
85974aef | 3054 | /**\r |
3055 | This function to delete signature list or data, according by DelType.\r | |
3056 | \r | |
3057 | @param[in] PrivateData Module's private data.\r | |
3058 | @param[in] DelType Indicate delete signature list or data.\r | |
3059 | @param[in] CheckedCount Indicate how many signature data have\r | |
3060 | been checked in current signature list.\r | |
3061 | \r | |
3062 | @retval EFI_SUCCESS Success to update the signature list page\r | |
3063 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3064 | **/\r | |
3065 | EFI_STATUS\r | |
3066 | DeleteSignatureEx (\r | |
3067 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
3068 | IN SIGNATURE_DELETE_TYPE DelType,\r | |
3069 | IN UINT32 CheckedCount\r | |
3070 | )\r | |
3071 | {\r | |
3072 | EFI_STATUS Status;\r | |
3073 | EFI_SIGNATURE_LIST *ListWalker;\r | |
3074 | EFI_SIGNATURE_LIST *NewCertList;\r | |
3075 | EFI_SIGNATURE_DATA *DataWalker;\r | |
65c77f02 | 3076 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
85974aef | 3077 | UINT32 VariableAttr;\r |
3078 | UINTN VariableDataSize;\r | |
3079 | UINTN RemainingSize;\r | |
3080 | UINTN ListIndex;\r | |
3081 | UINTN Index;\r | |
3082 | UINTN Offset;\r | |
3083 | UINT8 *VariableData;\r | |
3084 | UINT8 *NewVariableData;\r | |
3085 | \r | |
3086 | Status = EFI_SUCCESS;\r | |
85974aef | 3087 | VariableAttr = 0;\r |
3088 | VariableDataSize = 0;\r | |
3089 | ListIndex = 0;\r | |
3090 | Offset = 0;\r | |
3091 | VariableData = NULL;\r | |
3092 | NewVariableData = NULL;\r | |
3093 | \r | |
0085d619 | 3094 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 3095 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 3096 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 3097 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 3098 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 3099 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 3100 | } else {\r |
3101 | goto ON_EXIT;\r | |
3102 | }\r | |
3103 | \r | |
3104 | Status = gRT->GetVariable (\r | |
3105 | VariableName,\r | |
3106 | &gEfiImageSecurityDatabaseGuid,\r | |
3107 | &VariableAttr,\r | |
3108 | &VariableDataSize,\r | |
3109 | VariableData\r | |
3110 | );\r | |
3111 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
3112 | goto ON_EXIT;\r | |
3113 | }\r | |
3114 | \r | |
3115 | VariableData = AllocateZeroPool (VariableDataSize);\r | |
3116 | if (VariableData == NULL) {\r | |
3117 | Status = EFI_OUT_OF_RESOURCES;\r | |
3118 | goto ON_EXIT;\r | |
3119 | }\r | |
3120 | \r | |
3121 | Status = gRT->GetVariable (\r | |
3122 | VariableName,\r | |
3123 | &gEfiImageSecurityDatabaseGuid,\r | |
3124 | &VariableAttr,\r | |
3125 | &VariableDataSize,\r | |
3126 | VariableData\r | |
3127 | );\r | |
3128 | if (EFI_ERROR (Status)) {\r | |
3129 | goto ON_EXIT;\r | |
3130 | }\r | |
3131 | \r | |
3132 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
3133 | if (EFI_ERROR (Status)) {\r | |
3134 | goto ON_EXIT;\r | |
3135 | }\r | |
3136 | \r | |
3137 | NewVariableData = AllocateZeroPool (VariableDataSize);\r | |
3138 | if (NewVariableData == NULL) {\r | |
3139 | Status = EFI_OUT_OF_RESOURCES;\r | |
3140 | goto ON_EXIT;\r | |
3141 | }\r | |
3142 | \r | |
3143 | RemainingSize = VariableDataSize;\r | |
3144 | ListWalker = (EFI_SIGNATURE_LIST *)(VariableData);\r | |
0085d619 | 3145 | if (DelType == Delete_Signature_List_All) {\r |
85974aef | 3146 | VariableDataSize = 0;\r |
3147 | } else {\r | |
c3cb333e | 3148 | // |
3149 | // Traverse to target EFI_SIGNATURE_LIST but others will be skipped. | |
3150 | // | |
85974aef | 3151 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex < PrivateData->ListIndex) {\r |
3152 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, ListWalker->SignatureListSize);\r | |
3153 | Offset += ListWalker->SignatureListSize;\r | |
3154 | \r | |
3155 | RemainingSize -= ListWalker->SignatureListSize;\r | |
3156 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
3157 | ListIndex++;\r | |
3158 | }\r | |
3159 | \r | |
c3cb333e | 3160 | // |
3161 | // Handle the target EFI_SIGNATURE_LIST. | |
3162 | // If CheckedCount == SIGNATURE_DATA_COUNTS (ListWalker) or DelType == Delete_Signature_List_One | |
3163 | // it means delete the whole EFI_SIGNATURE_LIST, So we just skip this EFI_SIGNATURE_LIST. | |
3164 | // | |
3165 | if (CheckedCount < SIGNATURE_DATA_COUNTS (ListWalker) && DelType == Delete_Signature_Data) { | |
85974aef | 3166 | NewCertList = (EFI_SIGNATURE_LIST *)(NewVariableData + Offset);\r |
3167 | //\r | |
3168 | // Copy header.\r | |
3169 | //\r | |
c3cb333e | 3170 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize); |
85974aef | 3171 | Offset += sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize;\r |
3172 | \r | |
3173 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof(EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r | |
3174 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS(ListWalker); Index = Index + 1) {\r | |
3175 | if (PrivateData->CheckArray[Index]) {\r | |
3176 | //\r | |
3177 | // Delete checked signature data, and update the size of whole signature list.\r | |
3178 | //\r | |
3179 | NewCertList->SignatureListSize -= NewCertList->SignatureSize;\r | |
3180 | } else {\r | |
3181 | //\r | |
3182 | // Remain the unchecked signature data.\r | |
3183 | //\r | |
3184 | CopyMem ((UINT8 *)NewVariableData + Offset, DataWalker, ListWalker->SignatureSize);\r | |
3185 | Offset += ListWalker->SignatureSize;\r | |
3186 | }\r | |
3187 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r | |
3188 | }\r | |
85974aef | 3189 | }\r |
3190 | \r | |
c3cb333e | 3191 | RemainingSize -= ListWalker->SignatureListSize; |
3192 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize); | |
3193 | ||
85974aef | 3194 | //\r |
3195 | // Copy remaining data, maybe 0.\r | |
3196 | //\r | |
3197 | CopyMem((UINT8 *)NewVariableData + Offset, ListWalker, RemainingSize);\r | |
3198 | Offset += RemainingSize;\r | |
3199 | \r | |
3200 | VariableDataSize = Offset;\r | |
3201 | }\r | |
3202 | \r | |
3203 | if ((VariableAttr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r | |
3204 | Status = CreateTimeBasedPayload (&VariableDataSize, &NewVariableData);\r | |
3205 | if (EFI_ERROR (Status)) {\r | |
3206 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
3207 | goto ON_EXIT;\r | |
3208 | }\r | |
3209 | }\r | |
3210 | \r | |
3211 | Status = gRT->SetVariable (\r | |
3212 | VariableName,\r | |
3213 | &gEfiImageSecurityDatabaseGuid,\r | |
3214 | VariableAttr,\r | |
3215 | VariableDataSize,\r | |
3216 | NewVariableData\r | |
3217 | );\r | |
3218 | if (EFI_ERROR (Status)) {\r | |
3219 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r", Status));\r | |
3220 | goto ON_EXIT;\r | |
3221 | }\r | |
3222 | \r | |
3223 | ON_EXIT:\r | |
85974aef | 3224 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3225 | SECUREBOOT_FREE_NON_NULL (NewVariableData);\r | |
3226 | \r | |
3227 | return Status;\r | |
3228 | }\r | |
3229 | \r | |
02dd6af9 CZ |
3230 | /**\r |
3231 | \r | |
3232 | Update SecureBoot strings based on new Secure Boot Mode State. String includes STR_SECURE_BOOT_STATE_CONTENT\r | |
3233 | and STR_CUR_SECURE_BOOT_MODE_CONTENT.\r | |
3234 | \r | |
3235 | @param[in] PrivateData Module's private data.\r | |
3236 | \r | |
3237 | @return EFI_SUCCESS Update secure boot strings successfully.\r | |
3238 | @return other Fail to update secure boot strings.\r | |
3239 | \r | |
3240 | **/\r | |
3241 | EFI_STATUS\r | |
3242 | UpdateSecureBootString(\r | |
3243 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
abffadf0 ZC |
3244 | )\r |
3245 | {\r | |
02dd6af9 CZ |
3246 | UINT8 *SecureBoot;\r |
3247 | \r | |
e8cd9b80 CZ |
3248 | SecureBoot = NULL;\r |
3249 | \r | |
02dd6af9 CZ |
3250 | //\r |
3251 | // Get current secure boot state.\r | |
3252 | //\r | |
e8cd9b80 CZ |
3253 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SecureBoot, NULL);\r |
3254 | if (SecureBoot == NULL) {\r | |
3255 | return EFI_NOT_FOUND;\r | |
02dd6af9 CZ |
3256 | }\r |
3257 | \r | |
3258 | if (*SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
3259 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
3260 | } else {\r | |
3261 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
3262 | }\r | |
02dd6af9 CZ |
3263 | \r |
3264 | FreePool(SecureBoot);\r | |
3265 | \r | |
3266 | return EFI_SUCCESS;\r | |
3267 | }\r | |
3268 | \r | |
ecc722ad | 3269 | /**\r |
3270 | This function extracts configuration from variable.\r | |
20333c6d | 3271 | \r |
4de754e1 | 3272 | @param[in] Private Point to SecureBoot configuration driver private data.\r |
ecc722ad | 3273 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r |
3274 | \r | |
3275 | **/\r | |
3276 | VOID\r | |
3277 | SecureBootExtractConfigFromVariable (\r | |
4de754e1 | 3278 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
ecc722ad | 3279 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r |
20333c6d | 3280 | )\r |
ecc722ad | 3281 | {\r |
20333c6d | 3282 | UINT8 *SecureBootEnable;\r |
12087ff6 | 3283 | UINT8 *SetupMode;\r |
20333c6d QL |
3284 | UINT8 *SecureBootMode;\r |
3285 | EFI_TIME CurrTime;\r | |
ecc722ad | 3286 | \r |
3287 | SecureBootEnable = NULL;\r | |
12087ff6 | 3288 | SetupMode = NULL;\r |
ecc722ad | 3289 | SecureBootMode = NULL;\r |
20333c6d QL |
3290 | \r |
3291 | //\r | |
3292 | // Initilize the Date and Time using system time.\r | |
3293 | //\r | |
3294 | ConfigData->CertificateFormat = HASHALG_RAW;\r | |
3295 | ConfigData->AlwaysRevocation = TRUE;\r | |
3296 | gRT->GetTime (&CurrTime, NULL);\r | |
3297 | ConfigData->RevocationDate.Year = CurrTime.Year;\r | |
3298 | ConfigData->RevocationDate.Month = CurrTime.Month;\r | |
3299 | ConfigData->RevocationDate.Day = CurrTime.Day;\r | |
3300 | ConfigData->RevocationTime.Hour = CurrTime.Hour;\r | |
3301 | ConfigData->RevocationTime.Minute = CurrTime.Minute;\r | |
3302 | ConfigData->RevocationTime.Second = 0;\r | |
4de754e1 ZC |
3303 | if (Private->FileContext->FHandle != NULL) {\r |
3304 | ConfigData->FileEnrollType = Private->FileContext->FileType;\r | |
3305 | } else {\r | |
3306 | ConfigData->FileEnrollType = UNKNOWN_FILE_TYPE;\r | |
3307 | }\r | |
20333c6d | 3308 | \r |
ecc722ad | 3309 | //\r |
3310 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
3311 | //\r | |
3312 | if (UserPhysicalPresent()) {\r | |
3313 | ConfigData->PhysicalPresent = TRUE;\r | |
3314 | } else {\r | |
3315 | ConfigData->PhysicalPresent = FALSE;\r | |
3316 | }\r | |
20333c6d | 3317 | \r |
96832eef CZ |
3318 | //\r |
3319 | // If there is no PK then the Delete Pk button will be gray.\r | |
3320 | //\r | |
12087ff6 ZC |
3321 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
3322 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
96832eef CZ |
3323 | ConfigData->HasPk = FALSE;\r |
3324 | } else {\r | |
3325 | ConfigData->HasPk = TRUE;\r | |
3326 | }\r | |
3327 | \r | |
126f3b1d ZC |
3328 | //\r |
3329 | // Check SecureBootEnable & Pk status, fix the inconsistence. \r | |
3330 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r | |
3331 | // Checkbox.\r | |
3332 | //\r | |
3333 | ConfigData->AttemptSecureBoot = FALSE;\r | |
3334 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL); \r | |
3335 | \r | |
3336 | //\r | |
3337 | // Fix Pk, SecureBootEnable inconsistence\r | |
3338 | //\r | |
f1005559 | 3339 | if ((SetupMode != NULL) && (*SetupMode) == USER_MODE) {\r |
126f3b1d ZC |
3340 | ConfigData->HideSecureBoot = FALSE;\r |
3341 | if ((SecureBootEnable != NULL) && (*SecureBootEnable == SECURE_BOOT_ENABLE)) {\r | |
3342 | ConfigData->AttemptSecureBoot = TRUE;\r | |
3343 | }\r | |
3344 | } else {\r | |
3345 | ConfigData->HideSecureBoot = TRUE;\r | |
3346 | }\r | |
3347 | \r | |
12087ff6 ZC |
3348 | //\r |
3349 | // Get the SecureBootMode from CustomMode variable.\r | |
3350 | //\r | |
3351 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3352 | if (SecureBootMode == NULL) {\r | |
3353 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3354 | } else {\r | |
3355 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
3356 | }\r | |
3357 | \r | |
f71ed839 | 3358 | if (SecureBootEnable != NULL) {\r |
3359 | FreePool (SecureBootEnable);\r | |
3360 | }\r | |
12087ff6 ZC |
3361 | if (SetupMode != NULL) {\r |
3362 | FreePool (SetupMode);\r | |
3363 | }\r | |
f71ed839 | 3364 | if (SecureBootMode != NULL) {\r |
3365 | FreePool (SecureBootMode);\r | |
3366 | }\r | |
beda2356 | 3367 | }\r |
3368 | \r | |
3369 | /**\r | |
3370 | This function allows a caller to extract the current configuration for one\r | |
3371 | or more named elements from the target driver.\r | |
3372 | \r | |
3373 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3374 | @param[in] Request A null-terminated Unicode string in\r | |
3375 | <ConfigRequest> format.\r | |
3376 | @param[out] Progress On return, points to a character in the Request\r | |
3377 | string. Points to the string's null terminator if\r | |
3378 | request was successful. Points to the most recent\r | |
3379 | '&' before the first failing name/value pair (or\r | |
3380 | the beginning of the string if the failure is in\r | |
3381 | the first name/value pair) if the request was not\r | |
3382 | successful.\r | |
3383 | @param[out] Results A null-terminated Unicode string in\r | |
3384 | <ConfigAltResp> format which has all values filled\r | |
3385 | in for the names in the Request string. String to\r | |
3386 | be allocated by the called function.\r | |
3387 | \r | |
3388 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
3389 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
3390 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
3391 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3392 | driver.\r | |
3393 | \r | |
3394 | **/\r | |
3395 | EFI_STATUS\r | |
3396 | EFIAPI\r | |
3397 | SecureBootExtractConfig (\r | |
3398 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3399 | IN CONST EFI_STRING Request,\r | |
3400 | OUT EFI_STRING *Progress,\r | |
3401 | OUT EFI_STRING *Results\r | |
3402 | )\r | |
3403 | {\r | |
3404 | EFI_STATUS Status;\r | |
3405 | UINTN BufferSize;\r | |
bc0c99b3 | 3406 | UINTN Size;\r |
beda2356 | 3407 | SECUREBOOT_CONFIGURATION Configuration;\r |
beda2356 | 3408 | EFI_STRING ConfigRequest;\r |
bc0c99b3 | 3409 | EFI_STRING ConfigRequestHdr;\r |
bc0c99b3 | 3410 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r |
3411 | BOOLEAN AllocatedRequest;\r | |
3412 | \r | |
beda2356 | 3413 | if (Progress == NULL || Results == NULL) {\r |
3414 | return EFI_INVALID_PARAMETER;\r | |
3415 | }\r | |
20333c6d | 3416 | \r |
bc0c99b3 | 3417 | AllocatedRequest = FALSE;\r |
3418 | ConfigRequestHdr = NULL;\r | |
3419 | ConfigRequest = NULL;\r | |
3420 | Size = 0;\r | |
20333c6d | 3421 | \r |
ea71453f | 3422 | ZeroMem (&Configuration, sizeof (Configuration));\r |
bc0c99b3 | 3423 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3424 | *Progress = Request;\r | |
20333c6d | 3425 | \r |
beda2356 | 3426 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
3427 | return EFI_NOT_FOUND;\r | |
3428 | }\r | |
3429 | \r | |
4de754e1 ZC |
3430 | ZeroMem(&Configuration, sizeof(SECUREBOOT_CONFIGURATION));\r |
3431 | \r | |
beda2356 | 3432 | //\r |
ecc722ad | 3433 | // Get Configuration from Variable.\r |
beda2356 | 3434 | //\r |
4de754e1 | 3435 | SecureBootExtractConfigFromVariable (PrivateData, &Configuration);\r |
f71ed839 | 3436 | \r |
bc0c99b3 | 3437 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 3438 | ConfigRequest = Request;\r |
bc0c99b3 | 3439 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
3440 | //\r | |
3441 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 3442 | //\r |
3443 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
3444 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
3445 | //\r | |
3446 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
3447 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
3448 | ConfigRequest = AllocateZeroPool (Size);\r | |
3449 | ASSERT (ConfigRequest != NULL);\r | |
3450 | AllocatedRequest = TRUE;\r | |
3451 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
3452 | FreePool (ConfigRequestHdr);\r | |
3453 | ConfigRequestHdr = NULL;\r | |
3454 | }\r | |
beda2356 | 3455 | \r |
3456 | Status = gHiiConfigRouting->BlockToConfig (\r | |
3457 | gHiiConfigRouting,\r | |
3458 | ConfigRequest,\r | |
3459 | (UINT8 *) &Configuration,\r | |
3460 | BufferSize,\r | |
3461 | Results,\r | |
3462 | Progress\r | |
3463 | );\r | |
bc0c99b3 | 3464 | \r |
3465 | //\r | |
3466 | // Free the allocated config request string.\r | |
3467 | //\r | |
3468 | if (AllocatedRequest) {\r | |
3469 | FreePool (ConfigRequest);\r | |
3470 | }\r | |
3471 | \r | |
beda2356 | 3472 | //\r |
3473 | // Set Progress string to the original request string.\r | |
3474 | //\r | |
3475 | if (Request == NULL) {\r | |
3476 | *Progress = NULL;\r | |
3477 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
3478 | *Progress = Request + StrLen (Request);\r | |
3479 | }\r | |
3480 | \r | |
3481 | return Status;\r | |
3482 | }\r | |
3483 | \r | |
3484 | /**\r | |
3485 | This function processes the results of changes in configuration.\r | |
3486 | \r | |
3487 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3488 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
3489 | format.\r | |
3490 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
3491 | the most recent '&' before the first failing\r | |
3492 | name/value pair (or the beginning of the string if\r | |
3493 | the failure is in the first name/value pair) or\r | |
3494 | the terminating NULL if all was successful.\r | |
3495 | \r | |
3496 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
3497 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
3498 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3499 | driver.\r | |
3500 | \r | |
3501 | **/\r | |
3502 | EFI_STATUS\r | |
3503 | EFIAPI\r | |
3504 | SecureBootRouteConfig (\r | |
3505 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3506 | IN CONST EFI_STRING Configuration,\r | |
3507 | OUT EFI_STRING *Progress\r | |
3508 | )\r | |
3509 | {\r | |
4de754e1 ZC |
3510 | SECUREBOOT_CONFIGURATION IfrNvData;\r |
3511 | UINTN BufferSize;\r | |
3512 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
3513 | EFI_STATUS Status;\r | |
20333c6d | 3514 | \r |
beda2356 | 3515 | if (Configuration == NULL || Progress == NULL) {\r |
3516 | return EFI_INVALID_PARAMETER;\r | |
3517 | }\r | |
3518 | \r | |
3519 | *Progress = Configuration;\r | |
3520 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
3521 | return EFI_NOT_FOUND;\r | |
3522 | }\r | |
3523 | \r | |
4de754e1 ZC |
3524 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3525 | \r | |
a365eed4 FS |
3526 | //\r |
3527 | // Get Configuration from Variable.\r | |
3528 | //\r | |
4de754e1 | 3529 | SecureBootExtractConfigFromVariable (PrivateData, &IfrNvData);\r |
a365eed4 FS |
3530 | \r |
3531 | //\r | |
3532 | // Map the Configuration to the configuration block.\r | |
3533 | //\r | |
a2f2c258 | 3534 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
3535 | Status = gHiiConfigRouting->ConfigToBlock (\r | |
3536 | gHiiConfigRouting,\r | |
3537 | Configuration,\r | |
3538 | (UINT8 *)&IfrNvData,\r | |
3539 | &BufferSize,\r | |
3540 | Progress\r | |
3541 | );\r | |
3542 | if (EFI_ERROR (Status)) {\r | |
3543 | return Status;\r | |
3544 | }\r | |
3545 | \r | |
3546 | //\r | |
3547 | // Store Buffer Storage back to EFI variable if needed\r | |
3548 | //\r | |
126f3b1d | 3549 | if (!IfrNvData.HideSecureBoot) {\r |
a2f2c258 | 3550 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r |
3551 | if (EFI_ERROR (Status)) {\r | |
3552 | return Status;\r | |
3553 | }\r | |
3554 | }\r | |
3555 | \r | |
ecc722ad | 3556 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 3557 | return EFI_SUCCESS;\r |
3558 | }\r | |
3559 | \r | |
85974aef | 3560 | /**\r |
3561 | This function to load signature list, the update the menu page.\r | |
3562 | \r | |
3563 | @param[in] PrivateData Module's private data.\r | |
3564 | @param[in] LabelId Label number to insert opcodes.\r | |
3565 | @param[in] FormId Form ID of current page.\r | |
3566 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
3567 | \r | |
3568 | @retval EFI_SUCCESS Success to update the signature list page\r | |
3569 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3570 | **/\r | |
3571 | EFI_STATUS\r | |
3572 | LoadSignatureList (\r | |
3573 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
3574 | IN UINT16 LabelId,\r | |
3575 | IN EFI_FORM_ID FormId,\r | |
3576 | IN EFI_QUESTION_ID QuestionIdBase\r | |
3577 | )\r | |
3578 | {\r | |
3579 | EFI_STATUS Status;\r | |
3580 | EFI_STRING_ID ListType;\r | |
3539e850 | 3581 | EFI_STRING FormatNameString;\r |
3582 | EFI_STRING FormatHelpString;\r | |
3583 | EFI_STRING FormatTypeString;\r | |
85974aef | 3584 | EFI_SIGNATURE_LIST *ListWalker;\r |
3585 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
3586 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
3587 | EFI_IFR_GUID_LABEL *StartGoto;\r | |
3588 | EFI_IFR_GUID_LABEL *EndGoto;\r | |
3589 | EFI_FORM_ID DstFormId;\r | |
3590 | VOID *StartOpCodeHandle;\r | |
3591 | VOID *EndOpCodeHandle;\r | |
3592 | VOID *StartGotoHandle;\r | |
3593 | VOID *EndGotoHandle;\r | |
3594 | UINTN DataSize;\r | |
3595 | UINTN RemainingSize;\r | |
3596 | UINT16 Index;\r | |
3597 | UINT8 *VariableData;\r | |
65c77f02 | 3598 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
3599 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
3600 | CHAR16 HelpBuffer[BUFFER_MAX_SIZE];\r | |
85974aef | 3601 | \r |
3602 | Status = EFI_SUCCESS;\r | |
3539e850 | 3603 | FormatNameString = NULL;\r |
3604 | FormatHelpString = NULL;\r | |
85974aef | 3605 | StartOpCodeHandle = NULL;\r |
3606 | EndOpCodeHandle = NULL;\r | |
3607 | StartGotoHandle = NULL;\r | |
3608 | EndGotoHandle = NULL;\r | |
3609 | Index = 0;\r | |
3610 | VariableData = NULL;\r | |
85974aef | 3611 | \r |
3612 | //\r | |
3613 | // Initialize the container for dynamic opcodes.\r | |
3614 | //\r | |
3615 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3616 | if (StartOpCodeHandle == NULL) {\r | |
3617 | Status = EFI_OUT_OF_RESOURCES;\r | |
3618 | goto ON_EXIT;\r | |
3619 | }\r | |
3620 | \r | |
3621 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3622 | if (EndOpCodeHandle == NULL) {\r | |
3623 | Status = EFI_OUT_OF_RESOURCES;\r | |
3624 | goto ON_EXIT;\r | |
3625 | }\r | |
3626 | \r | |
3627 | StartGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3628 | if (StartGotoHandle == NULL) {\r | |
3629 | Status = EFI_OUT_OF_RESOURCES;\r | |
3630 | goto ON_EXIT;\r | |
3631 | }\r | |
3632 | \r | |
3633 | EndGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3634 | if (EndGotoHandle == NULL) {\r | |
3635 | Status = EFI_OUT_OF_RESOURCES;\r | |
3636 | goto ON_EXIT;\r | |
3637 | }\r | |
3638 | \r | |
3639 | //\r | |
3640 | // Create Hii Extend Label OpCode.\r | |
3641 | //\r | |
3642 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3643 | StartOpCodeHandle,\r | |
3644 | &gEfiIfrTianoGuid,\r | |
3645 | NULL,\r | |
3646 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3647 | );\r | |
3648 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3649 | StartLabel->Number = LabelId;\r | |
3650 | \r | |
3651 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3652 | EndOpCodeHandle,\r | |
3653 | &gEfiIfrTianoGuid,\r | |
3654 | NULL,\r | |
3655 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3656 | );\r | |
3657 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3658 | EndLabel->Number = LABEL_END;\r | |
3659 | \r | |
3660 | StartGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode(\r | |
3661 | StartGotoHandle,\r | |
3662 | &gEfiIfrTianoGuid,\r | |
3663 | NULL,\r | |
3664 | sizeof(EFI_IFR_GUID_LABEL)\r | |
3665 | );\r | |
3666 | StartGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3667 | StartGoto->Number = LABEL_DELETE_ALL_LIST_BUTTON;\r | |
3668 | \r | |
3669 | EndGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode(\r | |
3670 | EndGotoHandle,\r | |
3671 | &gEfiIfrTianoGuid,\r | |
3672 | NULL,\r | |
3673 | sizeof(EFI_IFR_GUID_LABEL)\r | |
3674 | );\r | |
3675 | EndGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3676 | EndGoto->Number = LABEL_END;\r | |
3677 | \r | |
0085d619 | 3678 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 3679 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
85974aef | 3680 | DstFormId = FORMID_SECURE_BOOT_DB_OPTION_FORM;\r |
0085d619 | 3681 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 3682 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
85974aef | 3683 | DstFormId = FORMID_SECURE_BOOT_DBX_OPTION_FORM;\r |
0085d619 | 3684 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 3685 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 3686 | DstFormId = FORMID_SECURE_BOOT_DBT_OPTION_FORM;\r |
3687 | } else {\r | |
3688 | goto ON_EXIT;\r | |
3689 | }\r | |
3690 | \r | |
3691 | HiiCreateGotoOpCode (\r | |
3692 | StartGotoHandle,\r | |
3693 | DstFormId,\r | |
3694 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3695 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3696 | EFI_IFR_FLAG_CALLBACK,\r | |
3697 | KEY_SECURE_BOOT_DELETE_ALL_LIST\r | |
3698 | );\r | |
3699 | \r | |
3700 | //\r | |
3701 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
3702 | //\r | |
3703 | DataSize = 0;\r | |
3704 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
3705 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
3706 | goto ON_EXIT;\r | |
3707 | }\r | |
3708 | \r | |
3709 | VariableData = AllocateZeroPool (DataSize);\r | |
3710 | if (VariableData == NULL) {\r | |
3711 | Status = EFI_OUT_OF_RESOURCES;\r | |
3712 | goto ON_EXIT;\r | |
3713 | }\r | |
3714 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
3715 | if (EFI_ERROR (Status)) {\r | |
3716 | goto ON_EXIT;\r | |
3717 | }\r | |
3718 | \r | |
3539e850 | 3719 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_NAME_FORMAT), NULL);\r |
3720 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_HELP_FORMAT), NULL);\r | |
3721 | if (FormatNameString == NULL || FormatHelpString == NULL) {\r | |
3722 | goto ON_EXIT;\r | |
3723 | }\r | |
3724 | \r | |
85974aef | 3725 | RemainingSize = DataSize;\r |
3726 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r | |
3727 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize)) {\r | |
3728 | if (CompareGuid (&ListWalker->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
3729 | ListType = STRING_TOKEN (STR_LIST_TYPE_RSA2048_SHA256);\r | |
3730 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Guid)) {\r | |
3731 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509);\r | |
3732 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha1Guid)) {\r | |
3733 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA1);\r | |
3734 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha256Guid)) {\r | |
3735 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA256);\r | |
3736 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
3737 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA256);\r | |
3738 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
3739 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA384);\r | |
3740 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
3741 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA512);\r | |
3742 | } else {\r | |
3743 | ListType = STRING_TOKEN (STR_LIST_TYPE_UNKNOWN);\r | |
3744 | }\r | |
3539e850 | 3745 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListType, NULL);\r |
3746 | if (FormatTypeString == NULL) {\r | |
3747 | goto ON_EXIT;\r | |
3748 | }\r | |
85974aef | 3749 | \r |
65c77f02 | 3750 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 3751 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
65c77f02 | 3752 | \r |
3753 | ZeroMem (HelpBuffer, sizeof (HelpBuffer));\r | |
85974aef | 3754 | UnicodeSPrint (HelpBuffer,\r |
65c77f02 | 3755 | sizeof (HelpBuffer),\r |
3539e850 | 3756 | FormatHelpString,\r |
3757 | FormatTypeString,\r | |
85974aef | 3758 | SIGNATURE_DATA_COUNTS (ListWalker)\r |
3759 | );\r | |
3539e850 | 3760 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
3761 | FormatTypeString = NULL;\r | |
85974aef | 3762 | \r |
3763 | HiiCreateGotoOpCode (\r | |
3764 | StartOpCodeHandle,\r | |
3765 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
3766 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
3767 | HiiSetString (PrivateData->HiiHandle, 0, HelpBuffer, NULL),\r | |
3768 | EFI_IFR_FLAG_CALLBACK,\r | |
3769 | QuestionIdBase + Index++\r | |
3770 | );\r | |
3771 | \r | |
85974aef | 3772 | RemainingSize -= ListWalker->SignatureListSize;\r |
3773 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
3774 | }\r | |
3775 | \r | |
3776 | ON_EXIT:\r | |
3777 | HiiUpdateForm (\r | |
3778 | PrivateData->HiiHandle,\r | |
3779 | &gSecureBootConfigFormSetGuid,\r | |
3780 | FormId,\r | |
3781 | StartOpCodeHandle,\r | |
3782 | EndOpCodeHandle\r | |
3783 | );\r | |
3784 | \r | |
3785 | HiiUpdateForm (\r | |
3786 | PrivateData->HiiHandle,\r | |
3787 | &gSecureBootConfigFormSetGuid,\r | |
3788 | FormId,\r | |
3789 | StartGotoHandle,\r | |
3790 | EndGotoHandle\r | |
3791 | );\r | |
3792 | \r | |
3793 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
3794 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
3795 | SECUREBOOT_FREE_NON_OPCODE (StartGotoHandle);\r | |
3796 | SECUREBOOT_FREE_NON_OPCODE (EndGotoHandle);\r | |
3797 | \r | |
85974aef | 3798 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 3799 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
3800 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r | |
85974aef | 3801 | \r |
3802 | PrivateData->ListCount = Index;\r | |
3803 | \r | |
3804 | return Status;\r | |
3805 | }\r | |
3806 | \r | |
3807 | /**\r | |
3808 | Parse hash value from EFI_SIGNATURE_DATA, and save in the CHAR16 type array.\r | |
3809 | The buffer is callee allocated and should be freed by the caller.\r | |
3810 | \r | |
3811 | @param[in] ListEntry The pointer point to the signature list.\r | |
3812 | @param[in] DataEntry The signature data we are processing.\r | |
3813 | @param[out] BufferToReturn Buffer to save the hash value.\r | |
3814 | \r | |
3815 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3816 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3817 | @retval EFI_SUCCESS Operation success.\r | |
3818 | **/\r | |
3819 | EFI_STATUS\r | |
3820 | ParseHashValue (\r | |
3821 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3822 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3823 | OUT CHAR16 **BufferToReturn\r | |
3824 | )\r | |
3825 | {\r | |
3826 | UINTN Index;\r | |
3827 | UINTN BufferIndex;\r | |
3828 | UINTN TotalSize;\r | |
3829 | UINTN DataSize;\r | |
3830 | UINTN Line;\r | |
3831 | UINTN OneLineBytes;\r | |
3832 | \r | |
3833 | //\r | |
3834 | // Assume that, display 8 bytes in one line.\r | |
3835 | //\r | |
3836 | OneLineBytes = 8;\r | |
3837 | \r | |
3838 | if (ListEntry == NULL || DataEntry == NULL || BufferToReturn == NULL) {\r | |
3839 | return EFI_INVALID_PARAMETER;\r | |
3840 | }\r | |
3841 | \r | |
3842 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
3843 | Line = (DataSize + OneLineBytes - 1) / OneLineBytes;\r | |
3844 | \r | |
3845 | //\r | |
3846 | // Each byte will split two Hex-number, and each line need additional memory to save '\r\n'.\r | |
3847 | //\r | |
3848 | TotalSize = ((DataSize + Line) * 2 * sizeof(CHAR16));\r | |
3849 | \r | |
3850 | *BufferToReturn = AllocateZeroPool(TotalSize);\r | |
3851 | if (*BufferToReturn == NULL) {\r | |
3852 | return EFI_OUT_OF_RESOURCES;\r | |
3853 | }\r | |
3854 | \r | |
3855 | for (Index = 0, BufferIndex = 0; Index < DataSize; Index = Index + 1) {\r | |
3856 | if ((Index > 0) && (Index % OneLineBytes == 0)) {\r | |
3857 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"\n");\r | |
3858 | }\r | |
3859 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"%02x", DataEntry->SignatureData[Index]);\r | |
3860 | }\r | |
3861 | BufferIndex += UnicodeSPrint(&(*BufferToReturn)[BufferIndex], TotalSize - sizeof(CHAR16) * BufferIndex, L"\n");\r | |
3862 | \r | |
3863 | return EFI_SUCCESS;\r | |
3864 | }\r | |
3865 | \r | |
3866 | /**\r | |
3867 | Function to get the common name from the X509 format certificate.\r | |
3868 | The buffer is callee allocated and should be freed by the caller.\r | |
3869 | \r | |
3870 | @param[in] ListEntry The pointer point to the signature list.\r | |
3871 | @param[in] DataEntry The signature data we are processing.\r | |
3872 | @param[out] BufferToReturn Buffer to save the CN of X509 certificate.\r | |
3873 | \r | |
3874 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3875 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3876 | @retval EFI_SUCCESS Operation success.\r | |
3877 | @retval EFI_NOT_FOUND Not found CN field in the X509 certificate.\r | |
3878 | **/\r | |
3879 | EFI_STATUS\r | |
3880 | GetCommonNameFromX509 (\r | |
3881 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3882 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3883 | OUT CHAR16 **BufferToReturn\r | |
3884 | )\r | |
3885 | {\r | |
3886 | EFI_STATUS Status;\r | |
3887 | CHAR8 *CNBuffer;\r | |
3888 | UINTN CNBufferSize;\r | |
3889 | \r | |
3890 | Status = EFI_SUCCESS;\r | |
3891 | CNBuffer = NULL;\r | |
3892 | \r | |
3893 | CNBuffer = AllocateZeroPool(256);\r | |
3894 | if (CNBuffer == NULL) {\r | |
3895 | Status = EFI_OUT_OF_RESOURCES;\r | |
3896 | goto ON_EXIT;\r | |
3897 | }\r | |
3898 | \r | |
3899 | CNBufferSize = 256;\r | |
3900 | X509GetCommonName (\r | |
3901 | (UINT8 *)DataEntry + sizeof(EFI_GUID),\r | |
3902 | ListEntry->SignatureSize - sizeof(EFI_GUID),\r | |
3903 | CNBuffer,\r | |
3904 | &CNBufferSize\r | |
3905 | );\r | |
3906 | \r | |
3907 | *BufferToReturn = AllocateZeroPool(256 * sizeof(CHAR16));\r | |
3908 | if (*BufferToReturn == NULL) {\r | |
3909 | Status = EFI_OUT_OF_RESOURCES;\r | |
3910 | goto ON_EXIT;\r | |
3911 | }\r | |
3912 | \r | |
3913 | AsciiStrToUnicodeStrS (CNBuffer, *BufferToReturn, 256);\r | |
3914 | \r | |
3915 | ON_EXIT:\r | |
3916 | SECUREBOOT_FREE_NON_NULL (CNBuffer);\r | |
3917 | \r | |
3918 | return Status;\r | |
3919 | }\r | |
3920 | \r | |
3921 | /**\r | |
3922 | Format the help info for the signature data, each help info contain 3 parts.\r | |
3923 | 1. Onwer Guid.\r | |
3924 | 2. Content, depends on the type of the signature list.\r | |
3925 | 3. Revocation time.\r | |
3926 | \r | |
3927 | @param[in] PrivateData Module's private data.\r | |
3928 | @param[in] ListEntry Point to the signature list.\r | |
3929 | @param[in] DataEntry Point to the signature data we are processing.\r | |
3930 | @param[out] StringId Save the string id of help info.\r | |
3931 | \r | |
3932 | @retval EFI_SUCCESS Operation success.\r | |
3933 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3934 | **/\r | |
3935 | EFI_STATUS\r | |
3936 | FormatHelpInfo (\r | |
3937 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
3938 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3939 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3940 | OUT EFI_STRING_ID *StringId\r | |
3941 | )\r | |
3942 | {\r | |
3943 | EFI_STATUS Status;\r | |
3944 | EFI_TIME *Time;\r | |
3945 | EFI_STRING_ID ListTypeId;\r | |
3539e850 | 3946 | EFI_STRING FormatHelpString;\r |
3947 | EFI_STRING FormatTypeString;\r | |
85974aef | 3948 | UINTN DataSize;\r |
3949 | UINTN HelpInfoIndex;\r | |
3950 | UINTN TotalSize;\r | |
65c77f02 | 3951 | CHAR16 GuidString[BUFFER_MAX_SIZE];\r |
3952 | CHAR16 TimeString[BUFFER_MAX_SIZE];\r | |
85974aef | 3953 | CHAR16 *DataString;\r |
85974aef | 3954 | CHAR16 *HelpInfoString;\r |
3955 | BOOLEAN IsCert;\r | |
3956 | \r | |
3539e850 | 3957 | Status = EFI_SUCCESS;\r |
3958 | Time = NULL;\r | |
3959 | FormatTypeString = NULL;\r | |
3960 | HelpInfoIndex = 0;\r | |
3961 | DataString = NULL;\r | |
3962 | HelpInfoString = NULL;\r | |
3963 | IsCert = FALSE;\r | |
85974aef | 3964 | \r |
3965 | if (CompareGuid(&ListEntry->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
3966 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_RSA2048_SHA256);\r | |
3967 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
3968 | IsCert = TRUE;\r | |
3969 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Guid)) {\r | |
3970 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509);\r | |
3971 | DataSize = ListEntry->SignatureSize - sizeof(EFI_GUID);\r | |
3972 | IsCert = TRUE;\r | |
3973 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertSha1Guid)) {\r | |
3974 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_SHA1);\r | |
3975 | DataSize = 20;\r | |
3976 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertSha256Guid)) {\r | |
3977 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_SHA256);\r | |
3978 | DataSize = 32;\r | |
3979 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
3980 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA256);\r | |
3981 | DataSize = 32;\r | |
3982 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3983 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
3984 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA384);\r | |
3985 | DataSize = 48;\r | |
3986 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3987 | } else if (CompareGuid(&ListEntry->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
3988 | ListTypeId = STRING_TOKEN(STR_LIST_TYPE_X509_SHA512);\r | |
3989 | DataSize = 64;\r | |
3990 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3991 | } else {\r | |
3992 | Status = EFI_UNSUPPORTED;\r | |
3993 | goto ON_EXIT;\r | |
3994 | }\r | |
3995 | \r | |
3539e850 | 3996 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListTypeId, NULL);\r |
3997 | if (FormatTypeString == NULL) {\r | |
3998 | goto ON_EXIT;\r | |
3999 | }\r | |
4000 | \r | |
85974aef | 4001 | TotalSize = 1024;\r |
4002 | HelpInfoString = AllocateZeroPool (TotalSize);\r | |
4003 | if (HelpInfoString == NULL) {\r | |
4004 | Status = EFI_OUT_OF_RESOURCES;\r | |
4005 | goto ON_EXIT;\r | |
4006 | }\r | |
4007 | \r | |
4008 | //\r | |
4009 | // Format GUID part.\r | |
4010 | //\r | |
65c77f02 | 4011 | ZeroMem (GuidString, sizeof (GuidString));\r |
4012 | GuidToString(&DataEntry->SignatureOwner, GuidString, BUFFER_MAX_SIZE);\r | |
3539e850 | 4013 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_GUID), NULL);\r |
4014 | if (FormatHelpString == NULL) {\r | |
4015 | goto ON_EXIT;\r | |
4016 | }\r | |
85974aef | 4017 | HelpInfoIndex += UnicodeSPrint (\r |
4018 | &HelpInfoString[HelpInfoIndex],\r | |
4019 | TotalSize - sizeof(CHAR16) * HelpInfoIndex,\r | |
3539e850 | 4020 | FormatHelpString,\r |
85974aef | 4021 | GuidString\r |
4022 | );\r | |
3539e850 | 4023 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
4024 | FormatHelpString = NULL;\r | |
85974aef | 4025 | \r |
4026 | //\r | |
4027 | // Format content part, it depends on the type of signature list, hash value or CN.\r | |
4028 | //\r | |
4029 | if (IsCert) {\r | |
4030 | GetCommonNameFromX509 (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 4031 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_CN), NULL);\r |
85974aef | 4032 | } else {\r |
4033 | //\r | |
4034 | // Format hash value for each signature data entry.\r | |
4035 | //\r | |
4036 | ParseHashValue (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 4037 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_HASH), NULL);\r |
4038 | }\r | |
4039 | if (FormatHelpString == NULL) {\r | |
4040 | goto ON_EXIT;\r | |
85974aef | 4041 | }\r |
3539e850 | 4042 | HelpInfoIndex += UnicodeSPrint (\r |
4043 | &HelpInfoString[HelpInfoIndex],\r | |
4044 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
4045 | FormatHelpString,\r | |
4046 | FormatTypeString,\r | |
4047 | DataSize,\r | |
4048 | DataString\r | |
4049 | );\r | |
4050 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r | |
4051 | FormatHelpString = NULL;\r | |
85974aef | 4052 | \r |
4053 | //\r | |
4054 | // Format revocation time part.\r | |
4055 | //\r | |
4056 | if (Time != NULL) {\r | |
65c77f02 | 4057 | ZeroMem (TimeString, sizeof (TimeString));\r |
85974aef | 4058 | UnicodeSPrint (\r |
4059 | TimeString,\r | |
65c77f02 | 4060 | sizeof (TimeString),\r |
85974aef | 4061 | L"%d-%d-%d %d:%d:%d",\r |
4062 | Time->Year,\r | |
4063 | Time->Month,\r | |
4064 | Time->Day,\r | |
4065 | Time->Hour,\r | |
4066 | Time->Minute,\r | |
4067 | Time->Second\r | |
4068 | );\r | |
3539e850 | 4069 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_TIME), NULL);\r |
4070 | if (FormatHelpString == NULL) {\r | |
4071 | goto ON_EXIT;\r | |
4072 | }\r | |
85974aef | 4073 | UnicodeSPrint (\r |
4074 | &HelpInfoString[HelpInfoIndex],\r | |
4075 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
3539e850 | 4076 | FormatHelpString,\r |
85974aef | 4077 | TimeString\r |
4078 | );\r | |
3539e850 | 4079 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
4080 | FormatHelpString = NULL;\r | |
85974aef | 4081 | }\r |
4082 | \r | |
4083 | *StringId = HiiSetString (PrivateData->HiiHandle, 0, HelpInfoString, NULL);\r | |
85974aef | 4084 | ON_EXIT:\r |
85974aef | 4085 | SECUREBOOT_FREE_NON_NULL (DataString);\r |
85974aef | 4086 | SECUREBOOT_FREE_NON_NULL (HelpInfoString);\r |
4087 | \r | |
3539e850 | 4088 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
4089 | \r | |
85974aef | 4090 | return Status;\r |
4091 | }\r | |
4092 | \r | |
4093 | /**\r | |
4094 | This functino to load signature data under the signature list.\r | |
4095 | \r | |
4096 | @param[in] PrivateData Module's private data.\r | |
4097 | @param[in] LabelId Label number to insert opcodes.\r | |
4098 | @param[in] FormId Form ID of current page.\r | |
4099 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
4100 | @param[in] ListIndex Indicate to load which signature list.\r | |
4101 | \r | |
4102 | @retval EFI_SUCCESS Success to update the signature list page\r | |
4103 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
4104 | **/\r | |
4105 | EFI_STATUS\r | |
4106 | LoadSignatureData (\r | |
4107 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
4108 | IN UINT16 LabelId,\r | |
4109 | IN EFI_FORM_ID FormId,\r | |
4110 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
4111 | IN UINT16 ListIndex\r | |
4112 | )\r | |
4113 | {\r | |
4114 | EFI_STATUS Status;\r | |
4115 | EFI_SIGNATURE_LIST *ListWalker;\r | |
4116 | EFI_SIGNATURE_DATA *DataWalker;\r | |
4117 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
4118 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
4119 | EFI_STRING_ID HelpStringId;\r | |
3539e850 | 4120 | EFI_STRING FormatNameString;\r |
85974aef | 4121 | VOID *StartOpCodeHandle;\r |
4122 | VOID *EndOpCodeHandle;\r | |
4123 | UINTN DataSize;\r | |
4124 | UINTN RemainingSize;\r | |
4125 | UINT16 Index;\r | |
4126 | UINT8 *VariableData;\r | |
65c77f02 | 4127 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
4128 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
85974aef | 4129 | \r |
4130 | Status = EFI_SUCCESS;\r | |
3539e850 | 4131 | FormatNameString = NULL;\r |
85974aef | 4132 | StartOpCodeHandle = NULL;\r |
4133 | EndOpCodeHandle = NULL;\r | |
4134 | Index = 0;\r | |
4135 | VariableData = NULL;\r | |
85974aef | 4136 | \r |
4137 | //\r | |
4138 | // Initialize the container for dynamic opcodes.\r | |
4139 | //\r | |
4140 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4141 | if (StartOpCodeHandle == NULL) {\r | |
4142 | Status = EFI_OUT_OF_RESOURCES;\r | |
4143 | goto ON_EXIT;\r | |
4144 | }\r | |
4145 | \r | |
4146 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4147 | if (EndOpCodeHandle == NULL) {\r | |
4148 | Status = EFI_OUT_OF_RESOURCES;\r | |
4149 | goto ON_EXIT;\r | |
4150 | }\r | |
4151 | \r | |
4152 | //\r | |
4153 | // Create Hii Extend Label OpCode.\r | |
4154 | //\r | |
4155 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4156 | StartOpCodeHandle,\r | |
4157 | &gEfiIfrTianoGuid,\r | |
4158 | NULL,\r | |
4159 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4160 | );\r | |
4161 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4162 | StartLabel->Number = LabelId;\r | |
4163 | \r | |
4164 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4165 | EndOpCodeHandle,\r | |
4166 | &gEfiIfrTianoGuid,\r | |
4167 | NULL,\r | |
4168 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4169 | );\r | |
4170 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4171 | EndLabel->Number = LABEL_END;\r | |
4172 | \r | |
0085d619 | 4173 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 4174 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 4175 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 4176 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 4177 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 4178 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 4179 | } else {\r |
4180 | goto ON_EXIT;\r | |
4181 | }\r | |
4182 | \r | |
4183 | //\r | |
4184 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
4185 | //\r | |
4186 | DataSize = 0;\r | |
4187 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
4188 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
4189 | goto ON_EXIT;\r | |
4190 | }\r | |
4191 | \r | |
4192 | VariableData = AllocateZeroPool (DataSize);\r | |
4193 | if (VariableData == NULL) {\r | |
4194 | Status = EFI_OUT_OF_RESOURCES;\r | |
4195 | goto ON_EXIT;\r | |
4196 | }\r | |
4197 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r | |
4198 | if (EFI_ERROR (Status)) {\r | |
4199 | goto ON_EXIT;\r | |
4200 | }\r | |
4201 | \r | |
85974aef | 4202 | RemainingSize = DataSize;\r |
4203 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r | |
4204 | \r | |
4205 | //\r | |
4206 | // Skip signature list.\r | |
4207 | //\r | |
4208 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex-- > 0) {\r | |
4209 | RemainingSize -= ListWalker->SignatureListSize;\r | |
4210 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r | |
4211 | }\r | |
4212 | \r | |
3539e850 | 4213 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_NAME_FORMAT), NULL);\r |
4214 | if (FormatNameString == NULL) {\r | |
4215 | goto ON_EXIT;\r | |
4216 | }\r | |
4217 | \r | |
85974aef | 4218 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof(EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
4219 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS(ListWalker); Index = Index + 1) {\r | |
4220 | //\r | |
4221 | // Format name buffer.\r | |
4222 | //\r | |
65c77f02 | 4223 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 4224 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
85974aef | 4225 | \r |
4226 | //\r | |
4227 | // Format help info buffer.\r | |
4228 | //\r | |
4229 | Status = FormatHelpInfo (PrivateData, ListWalker, DataWalker, &HelpStringId);\r | |
4230 | if (EFI_ERROR (Status)) {\r | |
4231 | goto ON_EXIT;\r | |
4232 | }\r | |
4233 | \r | |
4234 | HiiCreateCheckBoxOpCode (\r | |
4235 | StartOpCodeHandle,\r | |
4236 | (EFI_QUESTION_ID)(QuestionIdBase + Index),\r | |
4237 | 0,\r | |
4238 | 0,\r | |
4239 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
4240 | HelpStringId,\r | |
4241 | EFI_IFR_FLAG_CALLBACK,\r | |
4242 | 0,\r | |
4243 | NULL\r | |
4244 | );\r | |
4245 | \r | |
4246 | ZeroMem(NameBuffer, 100);\r | |
4247 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r | |
4248 | }\r | |
4249 | \r | |
4250 | //\r | |
4251 | // Allocate a buffer to record which signature data will be checked.\r | |
4252 | // This memory buffer will be freed when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
4253 | //\r | |
4254 | PrivateData->CheckArray = AllocateZeroPool (SIGNATURE_DATA_COUNTS (ListWalker) * sizeof (BOOLEAN));\r | |
85974aef | 4255 | ON_EXIT:\r |
4256 | HiiUpdateForm (\r | |
4257 | PrivateData->HiiHandle,\r | |
4258 | &gSecureBootConfigFormSetGuid,\r | |
4259 | FormId,\r | |
4260 | StartOpCodeHandle,\r | |
4261 | EndOpCodeHandle\r | |
4262 | );\r | |
4263 | \r | |
4264 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
4265 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
4266 | \r | |
85974aef | 4267 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 4268 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
85974aef | 4269 | \r |
4270 | return Status;\r | |
4271 | }\r | |
4272 | \r | |
beda2356 | 4273 | /**\r |
ecc722ad | 4274 | This function is called to provide results data to the driver.\r |
beda2356 | 4275 | \r |
4276 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
4277 | @param[in] Action Specifies the type of action taken by the browser.\r | |
4278 | @param[in] QuestionId A unique value which is sent to the original\r | |
4279 | exporting driver so that it can identify the type\r | |
4280 | of data to expect.\r | |
4281 | @param[in] Type The type of value for the question.\r | |
4282 | @param[in] Value A pointer to the data being sent to the original\r | |
4283 | exporting driver.\r | |
4284 | @param[out] ActionRequest On return, points to the action requested by the\r | |
4285 | callback function.\r | |
4286 | \r | |
4287 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
4288 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
4289 | variable and its data.\r | |
4290 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
4291 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
4292 | callback.\r | |
4293 | \r | |
4294 | **/\r | |
4295 | EFI_STATUS\r | |
4296 | EFIAPI\r | |
4297 | SecureBootCallback (\r | |
4298 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
4299 | IN EFI_BROWSER_ACTION Action,\r | |
4300 | IN EFI_QUESTION_ID QuestionId,\r | |
4301 | IN UINT8 Type,\r | |
4302 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
4303 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
4304 | )\r | |
4305 | {\r | |
ecc722ad | 4306 | EFI_INPUT_KEY Key;\r |
20333c6d | 4307 | EFI_STATUS Status;\r |
2a085774 | 4308 | RETURN_STATUS RStatus;\r |
ecc722ad | 4309 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r |
4310 | UINTN BufferSize;\r | |
4311 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
4312 | UINT16 LabelId;\r | |
bf4a3dbd | 4313 | UINT8 *SecureBootEnable;\r |
126f3b1d | 4314 | UINT8 *Pk;\r |
f71ed839 | 4315 | UINT8 *SecureBootMode;\r |
12087ff6 | 4316 | UINT8 *SetupMode;\r |
e4d7370d | 4317 | CHAR16 PromptString[100];\r |
762d8ddb | 4318 | EFI_DEVICE_PATH_PROTOCOL *File;\r |
4de754e1 ZC |
4319 | UINTN NameLength;\r |
4320 | UINT16 *FilePostFix;\r | |
4321 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
bf4a3dbd | 4322 | \r |
96832eef | 4323 | Status = EFI_SUCCESS;\r |
bf4a3dbd | 4324 | SecureBootEnable = NULL;\r |
f71ed839 | 4325 | SecureBootMode = NULL;\r |
12087ff6 | 4326 | SetupMode = NULL;\r |
762d8ddb | 4327 | File = NULL;\r |
bc0c99b3 | 4328 | \r |
beda2356 | 4329 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
4330 | return EFI_INVALID_PARAMETER;\r | |
4331 | }\r | |
12087ff6 | 4332 | \r |
96832eef CZ |
4333 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
4334 | \r | |
762d8ddb DB |
4335 | gSecureBootPrivateData = Private;\r |
4336 | \r | |
96832eef CZ |
4337 | //\r |
4338 | // Retrieve uncommitted data from Browser\r | |
4339 | //\r | |
4340 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
4341 | IfrNvData = AllocateZeroPool (BufferSize);\r | |
4342 | if (IfrNvData == NULL) {\r | |
4343 | return EFI_OUT_OF_RESOURCES;\r | |
4344 | }\r | |
4345 | \r | |
4346 | HiiGetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *) IfrNvData);\r | |
beda2356 | 4347 | \r |
a365eed4 FS |
4348 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
4349 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
02dd6af9 CZ |
4350 | //\r |
4351 | // Update secure boot strings when opening this form\r | |
4352 | //\r | |
4353 | Status = UpdateSecureBootString(Private);\r | |
4de754e1 | 4354 | SecureBootExtractConfigFromVariable (Private, IfrNvData);\r |
a365eed4 | 4355 | mIsEnterSecureBootForm = TRUE;\r |
4de754e1 ZC |
4356 | } else {\r |
4357 | //\r | |
4358 | // When entering SecureBoot OPTION Form\r | |
4359 | // always close opened file & free resource\r | |
4360 | //\r | |
4361 | if ((QuestionId == KEY_SECURE_BOOT_PK_OPTION) ||\r | |
4362 | (QuestionId == KEY_SECURE_BOOT_KEK_OPTION) ||\r | |
4363 | (QuestionId == KEY_SECURE_BOOT_DB_OPTION) ||\r | |
4364 | (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) ||\r | |
4365 | (QuestionId == KEY_SECURE_BOOT_DBT_OPTION)) {\r | |
4366 | CloseEnrolledFile(Private->FileContext);\r | |
85974aef | 4367 | } else if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_LIST) {\r |
4368 | //\r | |
4369 | // Update ListCount field in varstore\r | |
4370 | // Button "Delete All Signature List" is\r | |
4371 | // enable when ListCount is greater than 0.\r | |
4372 | //\r | |
4373 | IfrNvData->ListCount = Private->ListCount;\r | |
4de754e1 | 4374 | }\r |
a365eed4 | 4375 | }\r |
96832eef | 4376 | goto EXIT;\r |
a365eed4 | 4377 | }\r |
20333c6d | 4378 | \r |
a365eed4 FS |
4379 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r |
4380 | Status = EFI_UNSUPPORTED;\r | |
4381 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
4382 | if (mIsEnterSecureBootForm) {\r | |
4383 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
4384 | Status = EFI_SUCCESS;\r | |
4385 | }\r | |
12087ff6 | 4386 | } \r |
96832eef | 4387 | goto EXIT;\r |
a365eed4 | 4388 | }\r |
20333c6d | 4389 | \r |
f71ed839 | 4390 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
4391 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 4392 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
4393 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD)) {\r | |
96832eef CZ |
4394 | Status = EFI_UNSUPPORTED;\r |
4395 | goto EXIT;\r | |
beda2356 | 4396 | }\r |
bc0c99b3 | 4397 | \r |
ecc722ad | 4398 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r |
4399 | \r | |
4400 | switch (QuestionId) {\r | |
4401 | case KEY_SECURE_BOOT_ENABLE:\r | |
f01b91ae | 4402 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
bf4a3dbd | 4403 | if (NULL != SecureBootEnable) {\r |
f71ed839 | 4404 | FreePool (SecureBootEnable);\r |
ecc722ad | 4405 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r |
4406 | CreatePopUp (\r | |
4407 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4408 | &Key,\r | |
4409 | L"Only Physical Presence User could disable secure boot!",\r | |
4410 | NULL\r | |
4411 | );\r | |
4412 | Status = EFI_UNSUPPORTED;\r | |
0357efe3 | 4413 | } else {\r |
4414 | CreatePopUp (\r | |
4415 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4416 | &Key,\r | |
f71ed839 | 4417 | L"Configuration changed, please reset the platform to take effect!",\r |
0357efe3 | 4418 | NULL\r |
4419 | );\r | |
ecc722ad | 4420 | }\r |
ecc722ad | 4421 | }\r |
4422 | break;\r | |
4423 | \r | |
ecc722ad | 4424 | case KEY_SECURE_BOOT_KEK_OPTION:\r |
4425 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
4426 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
20333c6d | 4427 | case KEY_SECURE_BOOT_DBT_OPTION:\r |
4de754e1 | 4428 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
ecc722ad | 4429 | //\r |
4430 | // Clear Signature GUID.\r | |
4431 | //\r | |
4432 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
4433 | if (Private->SignatureGUID == NULL) {\r | |
4434 | Private->SignatureGUID = (EFI_GUID *) AllocateZeroPool (sizeof (EFI_GUID));\r | |
4435 | if (Private->SignatureGUID == NULL) {\r | |
4436 | return EFI_OUT_OF_RESOURCES;\r | |
4437 | }\r | |
4438 | }\r | |
beda2356 | 4439 | \r |
4de754e1 ZC |
4440 | //\r |
4441 | // Cleanup VFRData once leaving PK/KEK/DB/DBX/DBT enroll/delete page\r | |
4442 | //\r | |
4443 | SecureBootExtractConfigFromVariable (PrivateData, IfrNvData);\r | |
4444 | \r | |
ecc722ad | 4445 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r |
4446 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
4447 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
4448 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
20333c6d QL |
4449 | } else if (QuestionId == KEY_SECURE_BOOT_DBT_OPTION) {\r |
4450 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;\r | |
ecc722ad | 4451 | } else {\r |
4452 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
4453 | }\r | |
4454 | \r | |
4455 | //\r | |
4456 | // Refresh selected file.\r | |
4457 | //\r | |
20333c6d | 4458 | CleanUpPage (LabelId, Private);\r |
ecc722ad | 4459 | break;\r |
762d8ddb DB |
4460 | case KEY_SECURE_BOOT_PK_OPTION:\r |
4461 | LabelId = FORMID_ENROLL_PK_FORM;\r | |
4462 | //\r | |
4463 | // Refresh selected file.\r | |
4464 | //\r | |
4465 | CleanUpPage (LabelId, Private);\r | |
4466 | break;\r | |
4467 | \r | |
4468 | case FORMID_ENROLL_PK_FORM:\r | |
d6224153 | 4469 | ChooseFile (NULL, NULL, UpdatePKFromFile, &File);\r |
762d8ddb | 4470 | break;\r |
20333c6d | 4471 | \r |
ecc722ad | 4472 | case FORMID_ENROLL_KEK_FORM:\r |
d6224153 | 4473 | ChooseFile (NULL, NULL, UpdateKEKFromFile, &File);\r |
762d8ddb DB |
4474 | break;\r |
4475 | \r | |
ecc722ad | 4476 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r |
d6224153 | 4477 | ChooseFile (NULL, NULL, UpdateDBFromFile, &File);\r |
762d8ddb DB |
4478 | break;\r |
4479 | \r | |
ecc722ad | 4480 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r |
d6224153 | 4481 | ChooseFile (NULL, NULL, UpdateDBXFromFile, &File);\r |
4de754e1 ZC |
4482 | \r |
4483 | if (Private->FileContext->FHandle != NULL) {\r | |
4484 | //\r | |
4485 | // Parse the file's postfix.\r | |
4486 | //\r | |
4487 | NameLength = StrLen (Private->FileContext->FileName);\r | |
4488 | if (NameLength <= 4) {\r | |
4489 | return FALSE;\r | |
4490 | }\r | |
4491 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
4492 | \r | |
4493 | if (IsDerEncodeCertificate (FilePostFix)) {\r | |
4494 | //\r | |
4495 | // Supports DER-encoded X509 certificate.\r | |
4496 | //\r | |
4497 | IfrNvData->FileEnrollType = X509_CERT_FILE_TYPE;\r | |
4498 | } else if (IsAuthentication2Format(Private->FileContext->FHandle)){\r | |
4499 | IfrNvData->FileEnrollType = AUTHENTICATION_2_FILE_TYPE;\r | |
4500 | } else {\r | |
4501 | IfrNvData->FileEnrollType = PE_IMAGE_FILE_TYPE;\r | |
4502 | }\r | |
4503 | Private->FileContext->FileType = IfrNvData->FileEnrollType;\r | |
4504 | \r | |
4505 | //\r | |
4506 | // Clean up Certificate Format if File type is not X509 DER\r | |
4507 | //\r | |
4508 | if (IfrNvData->FileEnrollType != X509_CERT_FILE_TYPE) {\r | |
4509 | IfrNvData->CertificateFormat = HASHALG_RAW;\r | |
4510 | }\r | |
4511 | DEBUG((DEBUG_ERROR, "IfrNvData->FileEnrollType %d\n", Private->FileContext->FileType));\r | |
4512 | }\r | |
4513 | \r | |
762d8ddb | 4514 | break;\r |
ecc722ad | 4515 | \r |
762d8ddb | 4516 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBT:\r |
d6224153 | 4517 | ChooseFile (NULL, NULL, UpdateDBTFromFile, &File);\r |
ecc722ad | 4518 | break;\r |
4519 | \r | |
20333c6d | 4520 | case KEY_SECURE_BOOT_DELETE_PK:\r |
f71ed839 | 4521 | if (Value->u8) {\r |
4522 | CreatePopUp (\r | |
4523 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4524 | &Key,\r | |
4525 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
4526 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
4527 | NULL\r | |
4528 | );\r | |
4529 | if (Key.UnicodeChar == 'y' || Key.UnicodeChar == 'Y') {\r | |
ecc722ad | 4530 | Status = DeletePlatformKey ();\r |
f71ed839 | 4531 | if (EFI_ERROR (Status)) {\r |
4532 | CreatePopUp (\r | |
4533 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4534 | &Key,\r | |
4535 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
4536 | NULL\r | |
4537 | );\r | |
4538 | }\r | |
ecc722ad | 4539 | }\r |
f71ed839 | 4540 | }\r |
ecc722ad | 4541 | break;\r |
4542 | \r | |
4543 | case KEY_DELETE_KEK:\r | |
4544 | UpdateDeletePage (\r | |
20333c6d | 4545 | Private,\r |
ecc722ad | 4546 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
4547 | &gEfiGlobalVariableGuid,\r | |
4548 | LABEL_KEK_DELETE,\r | |
4549 | FORMID_DELETE_KEK_FORM,\r | |
20333c6d | 4550 | OPTION_DEL_KEK_QUESTION_ID\r |
ecc722ad | 4551 | );\r |
4552 | break;\r | |
4553 | \r | |
20333c6d | 4554 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB:\r |
ecc722ad | 4555 | UpdateDeletePage (\r |
4556 | Private,\r | |
4557 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4558 | &gEfiImageSecurityDatabaseGuid,\r | |
4559 | LABEL_DB_DELETE,\r | |
4560 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
4561 | OPTION_DEL_DB_QUESTION_ID\r | |
4562 | );\r | |
4563 | break;\r | |
4564 | \r | |
85974aef | 4565 | //\r |
4566 | // From DBX option to the level-1 form, display signature list.\r | |
4567 | //\r | |
4568 | case KEY_VALUE_FROM_DBX_TO_LIST_FORM:\r | |
0085d619 | 4569 | Private->VariableName = Variable_DBX;\r |
85974aef | 4570 | LoadSignatureList (\r |
ecc722ad | 4571 | Private,\r |
85974aef | 4572 | LABEL_SIGNATURE_LIST_START,\r |
4573 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4574 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4575 | );\r | |
4576 | break;\r | |
4577 | \r | |
4578 | //\r | |
4579 | // Delete all signature list and reload.\r | |
4580 | //\r | |
4581 | case KEY_SECURE_BOOT_DELETE_ALL_LIST:\r | |
4582 | CreatePopUp(\r | |
4583 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4584 | &Key,\r | |
4585 | L"Press 'Y' to delete signature list.",\r | |
4586 | L"Press other key to cancel and exit.",\r | |
4587 | NULL\r | |
4588 | );\r | |
4589 | \r | |
4590 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4591 | DeleteSignatureEx (Private, Delete_Signature_List_All, IfrNvData->CheckedDataCount);\r |
85974aef | 4592 | }\r |
4593 | \r | |
4594 | LoadSignatureList (\r | |
4595 | Private,\r | |
4596 | LABEL_SIGNATURE_LIST_START,\r | |
4597 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4598 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4599 | );\r | |
4600 | break;\r | |
ecc722ad | 4601 | \r |
85974aef | 4602 | //\r |
4603 | // Delete one signature list and reload.\r | |
4604 | //\r | |
4605 | case KEY_SECURE_BOOT_DELETE_ALL_DATA:\r | |
4606 | CreatePopUp(\r | |
4607 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4608 | &Key,\r | |
4609 | L"Press 'Y' to delete signature data.",\r | |
4610 | L"Press other key to cancel and exit.",\r | |
4611 | NULL\r | |
4612 | );\r | |
4613 | \r | |
4614 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4615 | DeleteSignatureEx (Private, Delete_Signature_List_One, IfrNvData->CheckedDataCount);\r |
85974aef | 4616 | }\r |
4617 | \r | |
4618 | LoadSignatureList (\r | |
4619 | Private,\r | |
4620 | LABEL_SIGNATURE_LIST_START,\r | |
4621 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4622 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4623 | );\r | |
4624 | break;\r | |
4625 | \r | |
4626 | //\r | |
4627 | // Delete checked signature data and reload.\r | |
4628 | //\r | |
4629 | case KEY_SECURE_BOOT_DELETE_CHECK_DATA:\r | |
4630 | CreatePopUp(\r | |
4631 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4632 | &Key,\r | |
4633 | L"Press 'Y' to delete signature data.",\r | |
4634 | L"Press other key to cancel and exit.",\r | |
4635 | NULL\r | |
4636 | );\r | |
4637 | \r | |
4638 | if (Key.UnicodeChar == L'Y' || Key.UnicodeChar == L'y') {\r | |
0085d619 | 4639 | DeleteSignatureEx (Private, Delete_Signature_Data, IfrNvData->CheckedDataCount);\r |
85974aef | 4640 | }\r |
4641 | \r | |
4642 | LoadSignatureList (\r | |
4643 | Private,\r | |
4644 | LABEL_SIGNATURE_LIST_START,\r | |
4645 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4646 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4647 | );\r | |
ecc722ad | 4648 | break;\r |
4649 | \r | |
20333c6d QL |
4650 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBT:\r |
4651 | UpdateDeletePage (\r | |
4652 | Private,\r | |
4653 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4654 | &gEfiImageSecurityDatabaseGuid,\r | |
4655 | LABEL_DBT_DELETE,\r | |
4656 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
4657 | OPTION_DEL_DBT_QUESTION_ID\r | |
4658 | );\r | |
4659 | \r | |
4660 | break;\r | |
4661 | \r | |
ecc722ad | 4662 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r |
4663 | Status = EnrollKeyExchangeKey (Private);\r | |
ee79ac8d | 4664 | if (EFI_ERROR (Status)) {\r |
4665 | CreatePopUp (\r | |
4666 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4667 | &Key,\r | |
4668 | L"ERROR: Unsupported file type!",\r | |
4669 | L"Only supports DER-encoded X509 certificate",\r | |
4670 | NULL\r | |
4671 | );\r | |
4672 | }\r | |
ecc722ad | 4673 | break;\r |
4674 | \r | |
4675 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
4676 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
ee79ac8d | 4677 | if (EFI_ERROR (Status)) {\r |
4678 | CreatePopUp (\r | |
4679 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4680 | &Key,\r | |
4681 | L"ERROR: Unsupported file type!",\r | |
4682 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
4683 | NULL\r | |
4684 | );\r | |
4685 | }\r | |
ecc722ad | 4686 | break;\r |
4687 | \r | |
4688 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
20333c6d QL |
4689 | if (IsX509CertInDbx (Private, EFI_IMAGE_SECURITY_DATABASE1)) {\r |
4690 | CreatePopUp (\r | |
4691 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4692 | &Key,\r | |
4693 | L"Enrollment failed! Same certificate had already been in the dbx!",\r | |
4694 | NULL\r | |
4695 | );\r | |
4de754e1 ZC |
4696 | \r |
4697 | //\r | |
4698 | // Cert already exists in DBX. Close opened file before exit.\r | |
4699 | //\r | |
4700 | CloseEnrolledFile(Private->FileContext);\r | |
4701 | break;\r | |
20333c6d QL |
4702 | }\r |
4703 | \r | |
4704 | if ((IfrNvData != NULL) && (IfrNvData->CertificateFormat < HASHALG_MAX)) {\r | |
4705 | Status = EnrollX509HashtoSigDB (\r | |
4706 | Private,\r | |
4707 | IfrNvData->CertificateFormat,\r | |
4708 | &IfrNvData->RevocationDate,\r | |
4709 | &IfrNvData->RevocationTime,\r | |
4710 | IfrNvData->AlwaysRevocation\r | |
4711 | );\r | |
4de754e1 | 4712 | IfrNvData->CertificateFormat = HASHALG_RAW;\r |
20333c6d QL |
4713 | } else {\r |
4714 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
4715 | }\r | |
ee79ac8d | 4716 | if (EFI_ERROR (Status)) {\r |
4717 | CreatePopUp (\r | |
4718 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4719 | &Key,\r | |
4720 | L"ERROR: Unsupported file type!",\r | |
4de754e1 | 4721 | L"Only supports DER-encoded X509 certificate, AUTH_2 format data & executable EFI image",\r |
ee79ac8d | 4722 | NULL\r |
4723 | );\r | |
4724 | }\r | |
ecc722ad | 4725 | break;\r |
4726 | \r | |
20333c6d QL |
4727 | case KEY_VALUE_SAVE_AND_EXIT_DBT:\r |
4728 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE2);\r | |
4729 | if (EFI_ERROR (Status)) {\r | |
4730 | CreatePopUp (\r | |
4731 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4732 | &Key,\r | |
4733 | L"ERROR: Unsupported file type!",\r | |
4734 | L"Only supports DER-encoded X509 certificate.",\r | |
4735 | NULL\r | |
4736 | );\r | |
4737 | }\r | |
4738 | break;\r | |
762d8ddb DB |
4739 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r |
4740 | Status = EnrollPlatformKey (Private);\r | |
4741 | if (EFI_ERROR (Status)) {\r | |
4742 | UnicodeSPrint (\r | |
4743 | PromptString,\r | |
4744 | sizeof (PromptString),\r | |
4745 | L"Only DER encoded certificate file (%s) is supported.",\r | |
4746 | mSupportX509Suffix\r | |
4747 | );\r | |
4748 | CreatePopUp (\r | |
4749 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4750 | &Key,\r | |
4751 | L"ERROR: Unsupported file type!",\r | |
4752 | PromptString,\r | |
4753 | NULL\r | |
4754 | );\r | |
4755 | }\r | |
4756 | break;\r | |
ecc722ad | 4757 | default:\r |
762d8ddb | 4758 | if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r |
ecc722ad | 4759 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r |
4760 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
4761 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
4762 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4763 | DeleteSignature (\r | |
4764 | Private,\r | |
4765 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4766 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 4767 | LABEL_DB_DELETE,\r |
ecc722ad | 4768 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r |
4769 | OPTION_DEL_DB_QUESTION_ID,\r | |
4770 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
4771 | );\r | |
85974aef | 4772 | } else if ((QuestionId >= OPTION_SIGNATURE_LIST_QUESTION_ID) &&\r |
4773 | (QuestionId < (OPTION_SIGNATURE_LIST_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4774 | LoadSignatureData (\r | |
ecc722ad | 4775 | Private,\r |
85974aef | 4776 | LABEL_SIGNATURE_DATA_START,\r |
4777 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
4778 | OPTION_SIGNATURE_DATA_QUESTION_ID,\r | |
4779 | QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4780 | );\r | |
4781 | Private->ListIndex = QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID;\r | |
4782 | } else if ((QuestionId >= OPTION_SIGNATURE_DATA_QUESTION_ID) &&\r | |
4783 | (QuestionId < (OPTION_SIGNATURE_DATA_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4784 | if (Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID]) {\r | |
4785 | IfrNvData->CheckedDataCount--;\r | |
4786 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = FALSE;\r | |
4787 | } else {\r | |
4788 | IfrNvData->CheckedDataCount++;\r | |
4789 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = TRUE;\r | |
4790 | }\r | |
20333c6d QL |
4791 | } else if ((QuestionId >= OPTION_DEL_DBT_QUESTION_ID) &&\r |
4792 | (QuestionId < (OPTION_DEL_DBT_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
4793 | DeleteSignature (\r | |
4794 | Private,\r | |
4795 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4796 | &gEfiImageSecurityDatabaseGuid,\r | |
4797 | LABEL_DBT_DELETE,\r | |
4798 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
4799 | OPTION_DEL_DBT_QUESTION_ID,\r | |
4800 | QuestionId - OPTION_DEL_DBT_QUESTION_ID\r | |
4801 | );\r | |
ecc722ad | 4802 | }\r |
4803 | break;\r | |
ecc722ad | 4804 | \r |
4805 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
4806 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
4807 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
4808 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
20333c6d | 4809 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBT:\r |
4de754e1 | 4810 | CloseEnrolledFile(Private->FileContext);\r |
20333c6d | 4811 | \r |
ecc722ad | 4812 | if (Private->SignatureGUID != NULL) {\r |
4813 | FreePool (Private->SignatureGUID);\r | |
4814 | Private->SignatureGUID = NULL;\r | |
4815 | }\r | |
ecc722ad | 4816 | break;\r |
762d8ddb DB |
4817 | }\r |
4818 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
4819 | switch (QuestionId) {\r | |
4820 | case KEY_SECURE_BOOT_ENABLE:\r | |
4821 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4822 | break;\r | |
ecc722ad | 4823 | case KEY_SECURE_BOOT_MODE:\r |
a365eed4 | 4824 | mIsEnterSecureBootForm = FALSE;\r |
ecc722ad | 4825 | break;\r |
ecc722ad | 4826 | case KEY_SECURE_BOOT_KEK_GUID:\r |
4827 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
4828 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
20333c6d | 4829 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBT:\r |
ecc722ad | 4830 | ASSERT (Private->SignatureGUID != NULL);\r |
2a085774 RN |
4831 | RStatus = StrToGuid (IfrNvData->SignatureGuid, Private->SignatureGUID);\r |
4832 | if (RETURN_ERROR (RStatus) || (IfrNvData->SignatureGuid[GUID_STRING_LENGTH] != L'\0')) {\r | |
4833 | Status = EFI_INVALID_PARAMETER;\r | |
ecc722ad | 4834 | break;\r |
4835 | }\r | |
4836 | \r | |
4837 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4838 | break;\r | |
ecc722ad | 4839 | case KEY_SECURE_BOOT_DELETE_PK:\r |
12087ff6 ZC |
4840 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
4841 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
f71ed839 | 4842 | IfrNvData->DeletePk = TRUE;\r |
4843 | IfrNvData->HasPk = FALSE;\r | |
ecc722ad | 4844 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r |
f71ed839 | 4845 | } else {\r |
4846 | IfrNvData->DeletePk = FALSE;\r | |
4847 | IfrNvData->HasPk = TRUE;\r | |
4848 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4849 | }\r | |
12087ff6 ZC |
4850 | if (SetupMode != NULL) {\r |
4851 | FreePool (SetupMode);\r | |
4852 | }\r | |
c93bcb7e ED |
4853 | break;\r |
4854 | default:\r | |
c93bcb7e | 4855 | break;\r |
ecc722ad | 4856 | }\r |
a2f2c258 | 4857 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
4858 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
126f3b1d ZC |
4859 | GetVariable2 (EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid, (VOID**)&Pk, NULL);\r |
4860 | if (Pk == NULL) {\r | |
a2f2c258 | 4861 | IfrNvData->HideSecureBoot = TRUE;\r |
4862 | } else {\r | |
126f3b1d | 4863 | FreePool (Pk);\r |
a2f2c258 | 4864 | IfrNvData->HideSecureBoot = FALSE;\r |
4865 | }\r | |
4866 | Value->b = IfrNvData->HideSecureBoot;\r | |
4867 | }\r | |
f71ed839 | 4868 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
4869 | //\r | |
4870 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
4871 | //\r | |
4872 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
4873 | if (NULL != SecureBootMode && *SecureBootMode == CUSTOM_SECURE_BOOT_MODE) {\r | |
4874 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
4875 | SetSecureBootMode(STANDARD_SECURE_BOOT_MODE);\r | |
4876 | }\r | |
4877 | if (SecureBootMode != NULL) {\r | |
4878 | FreePool (SecureBootMode);\r | |
4879 | }\r | |
85974aef | 4880 | \r |
4881 | if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_DATA) {\r | |
4882 | //\r | |
4883 | // Free memory when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
4884 | //\r | |
4885 | SECUREBOOT_FREE_NON_NULL (Private->CheckArray);\r | |
4886 | IfrNvData->CheckedDataCount = 0;\r | |
4887 | }\r | |
ecc722ad | 4888 | }\r |
20333c6d | 4889 | \r |
96832eef CZ |
4890 | EXIT:\r |
4891 | \r | |
ecc722ad | 4892 | if (!EFI_ERROR (Status)) {\r |
4893 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
742d9b3a | 4894 | HiiSetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8*) IfrNvData, NULL);\r |
ecc722ad | 4895 | }\r |
96832eef | 4896 | \r |
ecc722ad | 4897 | FreePool (IfrNvData);\r |
20333c6d | 4898 | \r |
762d8ddb DB |
4899 | if (File != NULL){\r |
4900 | FreePool(File);\r | |
4901 | File = NULL;\r | |
4902 | }\r | |
4903 | \r | |
ecc722ad | 4904 | return EFI_SUCCESS;\r |
beda2356 | 4905 | }\r |
4906 | \r | |
4907 | /**\r | |
4908 | This function publish the SecureBoot configuration Form.\r | |
4909 | \r | |
4910 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
4911 | \r | |
ecc722ad | 4912 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 4913 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
4914 | @retval Others Other errors as indicated.\r | |
4915 | \r | |
4916 | **/\r | |
4917 | EFI_STATUS\r | |
4918 | InstallSecureBootConfigForm (\r | |
4919 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
4920 | )\r | |
4921 | {\r | |
4922 | EFI_STATUS Status;\r | |
4923 | EFI_HII_HANDLE HiiHandle;\r | |
4924 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 4925 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
4926 | \r | |
4927 | DriverHandle = NULL;\r | |
4928 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
4929 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
4930 | &DriverHandle,\r | |
4931 | &gEfiDevicePathProtocolGuid,\r | |
4932 | &mSecureBootHiiVendorDevicePath,\r | |
4933 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4934 | ConfigAccess,\r | |
4935 | NULL\r | |
4936 | );\r | |
4937 | if (EFI_ERROR (Status)) {\r | |
4938 | return Status;\r | |
4939 | }\r | |
4940 | \r | |
4941 | PrivateData->DriverHandle = DriverHandle;\r | |
4942 | \r | |
4943 | //\r | |
4944 | // Publish the HII package list\r | |
4945 | //\r | |
4946 | HiiHandle = HiiAddPackages (\r | |
4947 | &gSecureBootConfigFormSetGuid,\r | |
4948 | DriverHandle,\r | |
4949 | SecureBootConfigDxeStrings,\r | |
4950 | SecureBootConfigBin,\r | |
4951 | NULL\r | |
4952 | );\r | |
4953 | if (HiiHandle == NULL) {\r | |
4954 | gBS->UninstallMultipleProtocolInterfaces (\r | |
4955 | DriverHandle,\r | |
4956 | &gEfiDevicePathProtocolGuid,\r | |
4957 | &mSecureBootHiiVendorDevicePath,\r | |
4958 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4959 | ConfigAccess,\r | |
4960 | NULL\r | |
bc0c99b3 | 4961 | );\r |
beda2356 | 4962 | return EFI_OUT_OF_RESOURCES;\r |
4963 | }\r | |
bc0c99b3 | 4964 | \r |
beda2356 | 4965 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 4966 | \r |
4967 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
20333c6d | 4968 | \r |
762d8ddb | 4969 | if (PrivateData->FileContext == NULL) {\r |
ecc722ad | 4970 | UninstallSecureBootConfigForm (PrivateData);\r |
4971 | return EFI_OUT_OF_RESOURCES;\r | |
4972 | }\r | |
20333c6d | 4973 | \r |
ecc722ad | 4974 | //\r |
4975 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
4976 | //\r | |
4977 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4978 | if (mStartOpCodeHandle == NULL) {\r | |
4979 | UninstallSecureBootConfigForm (PrivateData);\r | |
4980 | return EFI_OUT_OF_RESOURCES;\r | |
4981 | }\r | |
4982 | \r | |
4983 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4984 | if (mEndOpCodeHandle == NULL) {\r | |
4985 | UninstallSecureBootConfigForm (PrivateData);\r | |
4986 | return EFI_OUT_OF_RESOURCES;\r | |
4987 | }\r | |
4988 | \r | |
4989 | //\r | |
4990 | // Create Hii Extend Label OpCode as the start opcode\r | |
4991 | //\r | |
4992 | mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
4993 | mStartOpCodeHandle,\r | |
4994 | &gEfiIfrTianoGuid,\r | |
4995 | NULL,\r | |
4996 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4997 | );\r | |
4998 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4999 | \r | |
5000 | //\r | |
5001 | // Create Hii Extend Label OpCode as the end opcode\r | |
5002 | //\r | |
5003 | mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
5004 | mEndOpCodeHandle,\r | |
5005 | &gEfiIfrTianoGuid,\r | |
5006 | NULL,\r | |
5007 | sizeof (EFI_IFR_GUID_LABEL)\r | |
5008 | );\r | |
5009 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
5010 | mEndLabel->Number = LABEL_END;\r | |
20333c6d | 5011 | \r |
bc0c99b3 | 5012 | return EFI_SUCCESS;\r |
beda2356 | 5013 | }\r |
5014 | \r | |
5015 | /**\r | |
5016 | This function removes SecureBoot configuration Form.\r | |
5017 | \r | |
5018 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
5019 | \r | |
5020 | **/\r | |
5021 | VOID\r | |
5022 | UninstallSecureBootConfigForm (\r | |
5023 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
5024 | )\r | |
5025 | {\r | |
5026 | //\r | |
5027 | // Uninstall HII package list\r | |
5028 | //\r | |
5029 | if (PrivateData->HiiHandle != NULL) {\r | |
5030 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
5031 | PrivateData->HiiHandle = NULL;\r | |
5032 | }\r | |
5033 | \r | |
5034 | //\r | |
5035 | // Uninstall HII Config Access Protocol\r | |
5036 | //\r | |
5037 | if (PrivateData->DriverHandle != NULL) {\r | |
5038 | gBS->UninstallMultipleProtocolInterfaces (\r | |
5039 | PrivateData->DriverHandle,\r | |
5040 | &gEfiDevicePathProtocolGuid,\r | |
5041 | &mSecureBootHiiVendorDevicePath,\r | |
5042 | &gEfiHiiConfigAccessProtocolGuid,\r | |
5043 | &PrivateData->ConfigAccess,\r | |
5044 | NULL\r | |
5045 | );\r | |
5046 | PrivateData->DriverHandle = NULL;\r | |
5047 | }\r | |
bc0c99b3 | 5048 | \r |
ecc722ad | 5049 | if (PrivateData->SignatureGUID != NULL) {\r |
5050 | FreePool (PrivateData->SignatureGUID);\r | |
5051 | }\r | |
5052 | \r | |
ecc722ad | 5053 | if (PrivateData->FileContext != NULL) {\r |
5054 | FreePool (PrivateData->FileContext);\r | |
5055 | }\r | |
5056 | \r | |
beda2356 | 5057 | FreePool (PrivateData);\r |
ecc722ad | 5058 | \r |
ecc722ad | 5059 | if (mStartOpCodeHandle != NULL) {\r |
5060 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
5061 | }\r | |
5062 | \r | |
5063 | if (mEndOpCodeHandle != NULL) {\r | |
5064 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
5065 | }\r | |
beda2356 | 5066 | }\r |