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beda2356 | 1 | /** @file\r |
2 | HII Config Access protocol implementation of SecureBoot configuration module.\r | |
3 | \r | |
02dd6af9 | 4 | Copyright (c) 2011 - 2016, Intel Corporation. All rights reserved.<BR>\r |
bc0c99b3 | 5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
beda2356 | 8 | http://opensource.org/licenses/bsd-license.php\r |
9 | \r | |
bc0c99b3 | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
beda2356 | 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "SecureBootConfigImpl.h"\r | |
16 | \r | |
ecc722ad | 17 | CHAR16 mSecureBootStorageName[] = L"SECUREBOOT_CONFIGURATION";\r |
beda2356 | 18 | \r |
19 | SECUREBOOT_CONFIG_PRIVATE_DATA mSecureBootConfigPrivateDateTemplate = {\r | |
20333c6d | 20 | SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE,\r |
beda2356 | 21 | {\r |
22 | SecureBootExtractConfig,\r | |
23 | SecureBootRouteConfig,\r | |
24 | SecureBootCallback\r | |
25 | }\r | |
26 | };\r | |
27 | \r | |
28 | HII_VENDOR_DEVICE_PATH mSecureBootHiiVendorDevicePath = {\r | |
29 | {\r | |
30 | {\r | |
31 | HARDWARE_DEVICE_PATH,\r | |
32 | HW_VENDOR_DP,\r | |
33 | {\r | |
34 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
35 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
36 | }\r | |
37 | },\r | |
38 | SECUREBOOT_CONFIG_FORM_SET_GUID\r | |
39 | },\r | |
40 | {\r | |
41 | END_DEVICE_PATH_TYPE,\r | |
42 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
bc0c99b3 | 43 | {\r |
beda2356 | 44 | (UINT8) (END_DEVICE_PATH_LENGTH),\r |
45 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
46 | }\r | |
47 | }\r | |
48 | };\r | |
49 | \r | |
ecc722ad | 50 | \r |
a365eed4 | 51 | BOOLEAN mIsEnterSecureBootForm = FALSE;\r |
96832eef CZ |
52 | BOOLEAN mIsSelectedSecureBootModeForm = FALSE;\r |
53 | BOOLEAN mIsSecureBootModeChanged = FALSE;\r | |
a365eed4 | 54 | \r |
ecc722ad | 55 | //\r |
56 | // OID ASN.1 Value for Hash Algorithms\r | |
57 | //\r | |
58 | UINT8 mHashOidValue[] = {\r | |
59 | 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, // OBJ_md5\r | |
60 | 0x2B, 0x0E, 0x03, 0x02, 0x1A, // OBJ_sha1\r | |
61 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, // OBJ_sha224\r | |
62 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, // OBJ_sha256\r | |
63 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, // OBJ_sha384\r | |
64 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, // OBJ_sha512\r | |
65 | };\r | |
66 | \r | |
67 | HASH_TABLE mHash[] = {\r | |
20333c6d QL |
68 | { L"SHA1", 20, &mHashOidValue[8], 5, Sha1GetContextSize, Sha1Init, Sha1Update, Sha1Final },\r |
69 | { L"SHA224", 28, &mHashOidValue[13], 9, NULL, NULL, NULL, NULL },\r | |
70 | { L"SHA256", 32, &mHashOidValue[22], 9, Sha256GetContextSize, Sha256Init, Sha256Update, Sha256Final},\r | |
71 | { L"SHA384", 48, &mHashOidValue[31], 9, Sha384GetContextSize, Sha384Init, Sha384Update, Sha384Final},\r | |
72 | { L"SHA512", 64, &mHashOidValue[40], 9, Sha512GetContextSize, Sha512Init, Sha512Update, Sha512Final}\r | |
ecc722ad | 73 | };\r |
74 | \r | |
e4d7370d | 75 | //\r |
20333c6d QL |
76 | // Variable Definitions\r |
77 | //\r | |
ecc722ad | 78 | UINT32 mPeCoffHeaderOffset = 0;\r |
79 | WIN_CERTIFICATE *mCertificate = NULL;\r | |
80 | IMAGE_TYPE mImageType;\r | |
81 | UINT8 *mImageBase = NULL;\r | |
82 | UINTN mImageSize = 0;\r | |
83 | UINT8 mImageDigest[MAX_DIGEST_SIZE];\r | |
84 | UINTN mImageDigestSize;\r | |
85 | EFI_GUID mCertType;\r | |
86 | EFI_IMAGE_SECURITY_DATA_DIRECTORY *mSecDataDir = NULL;\r | |
87 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION mNtHeader;\r | |
88 | \r | |
e4d7370d | 89 | //\r |
90 | // Possible DER-encoded certificate file suffixes, end with NULL pointer.\r | |
91 | //\r | |
92 | CHAR16* mDerEncodedSuffix[] = {\r | |
93 | L".cer",\r | |
94 | L".der",\r | |
95 | L".crt",\r | |
96 | NULL\r | |
97 | };\r | |
98 | CHAR16* mSupportX509Suffix = L"*.cer/der/crt";\r | |
99 | \r | |
762d8ddb DB |
100 | SECUREBOOT_CONFIG_PRIVATE_DATA *gSecureBootPrivateData = NULL;\r |
101 | \r | |
e4d7370d | 102 | /**\r |
103 | This code checks if the FileSuffix is one of the possible DER-encoded certificate suffix.\r | |
104 | \r | |
105 | @param[in] FileSuffix The suffix of the input certificate file\r | |
106 | \r | |
107 | @retval TRUE It's a DER-encoded certificate.\r | |
108 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
109 | \r | |
110 | **/\r | |
111 | BOOLEAN\r | |
112 | IsDerEncodeCertificate (\r | |
113 | IN CONST CHAR16 *FileSuffix\r | |
114 | )\r | |
115 | {\r | |
20333c6d | 116 | UINTN Index;\r |
e4d7370d | 117 | for (Index = 0; mDerEncodedSuffix[Index] != NULL; Index++) {\r |
118 | if (StrCmp (FileSuffix, mDerEncodedSuffix[Index]) == 0) {\r | |
119 | return TRUE;\r | |
120 | }\r | |
121 | }\r | |
122 | return FALSE;\r | |
123 | }\r | |
ecc722ad | 124 | \r |
125 | /**\r | |
126 | Set Secure Boot option into variable space.\r | |
127 | \r | |
128 | @param[in] VarValue The option of Secure Boot.\r | |
129 | \r | |
130 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
131 | @retval Others Other errors as indicated.\r | |
132 | \r | |
133 | **/\r | |
134 | EFI_STATUS\r | |
135 | SaveSecureBootVariable (\r | |
136 | IN UINT8 VarValue\r | |
137 | )\r | |
138 | {\r | |
139 | EFI_STATUS Status;\r | |
140 | \r | |
141 | Status = gRT->SetVariable (\r | |
142 | EFI_SECURE_BOOT_ENABLE_NAME,\r | |
143 | &gEfiSecureBootEnableDisableGuid,\r | |
144 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
145 | sizeof (UINT8),\r | |
146 | &VarValue\r | |
147 | );\r | |
148 | return Status;\r | |
149 | }\r | |
150 | \r | |
8c1babfd | 151 | /**\r |
152 | Create a time based data payload by concatenating the EFI_VARIABLE_AUTHENTICATION_2\r | |
153 | descriptor with the input data. NO authentication is required in this function.\r | |
20333c6d | 154 | \r |
8c1babfd | 155 | @param[in, out] DataSize On input, the size of Data buffer in bytes.\r |
156 | On output, the size of data returned in Data\r | |
157 | buffer in bytes.\r | |
20333c6d | 158 | @param[in, out] Data On input, Pointer to data buffer to be wrapped or\r |
8c1babfd | 159 | pointer to NULL to wrap an empty payload.\r |
160 | On output, Pointer to the new payload date buffer allocated from pool,\r | |
20333c6d | 161 | it's caller's responsibility to free the memory when finish using it.\r |
8c1babfd | 162 | \r |
163 | @retval EFI_SUCCESS Create time based payload successfully.\r | |
164 | @retval EFI_OUT_OF_RESOURCES There are not enough memory resourses to create time based payload.\r | |
165 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
166 | @retval Others Unexpected error happens.\r | |
167 | \r | |
168 | **/\r | |
169 | EFI_STATUS\r | |
170 | CreateTimeBasedPayload (\r | |
171 | IN OUT UINTN *DataSize,\r | |
172 | IN OUT UINT8 **Data\r | |
173 | )\r | |
174 | {\r | |
175 | EFI_STATUS Status;\r | |
176 | UINT8 *NewData;\r | |
177 | UINT8 *Payload;\r | |
178 | UINTN PayloadSize;\r | |
179 | EFI_VARIABLE_AUTHENTICATION_2 *DescriptorData;\r | |
180 | UINTN DescriptorSize;\r | |
181 | EFI_TIME Time;\r | |
20333c6d | 182 | \r |
8c1babfd | 183 | if (Data == NULL || DataSize == NULL) {\r |
184 | return EFI_INVALID_PARAMETER;\r | |
185 | }\r | |
20333c6d | 186 | \r |
8c1babfd | 187 | //\r |
20333c6d | 188 | // In Setup mode or Custom mode, the variable does not need to be signed but the\r |
8c1babfd | 189 | // parameters to the SetVariable() call still need to be prepared as authenticated\r |
190 | // variable. So we create EFI_VARIABLE_AUTHENTICATED_2 descriptor without certificate\r | |
191 | // data in it.\r | |
192 | //\r | |
193 | Payload = *Data;\r | |
194 | PayloadSize = *DataSize;\r | |
20333c6d | 195 | \r |
8c1babfd | 196 | DescriptorSize = OFFSET_OF (EFI_VARIABLE_AUTHENTICATION_2, AuthInfo) + OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
197 | NewData = (UINT8*) AllocateZeroPool (DescriptorSize + PayloadSize);\r | |
198 | if (NewData == NULL) {\r | |
199 | return EFI_OUT_OF_RESOURCES;\r | |
200 | }\r | |
201 | \r | |
202 | if ((Payload != NULL) && (PayloadSize != 0)) {\r | |
203 | CopyMem (NewData + DescriptorSize, Payload, PayloadSize);\r | |
204 | }\r | |
205 | \r | |
206 | DescriptorData = (EFI_VARIABLE_AUTHENTICATION_2 *) (NewData);\r | |
207 | \r | |
208 | ZeroMem (&Time, sizeof (EFI_TIME));\r | |
209 | Status = gRT->GetTime (&Time, NULL);\r | |
210 | if (EFI_ERROR (Status)) {\r | |
211 | FreePool(NewData);\r | |
212 | return Status;\r | |
213 | }\r | |
214 | Time.Pad1 = 0;\r | |
215 | Time.Nanosecond = 0;\r | |
216 | Time.TimeZone = 0;\r | |
217 | Time.Daylight = 0;\r | |
218 | Time.Pad2 = 0;\r | |
219 | CopyMem (&DescriptorData->TimeStamp, &Time, sizeof (EFI_TIME));\r | |
20333c6d | 220 | \r |
8c1babfd | 221 | DescriptorData->AuthInfo.Hdr.dwLength = OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
222 | DescriptorData->AuthInfo.Hdr.wRevision = 0x0200;\r | |
223 | DescriptorData->AuthInfo.Hdr.wCertificateType = WIN_CERT_TYPE_EFI_GUID;\r | |
224 | CopyGuid (&DescriptorData->AuthInfo.CertType, &gEfiCertPkcs7Guid);\r | |
20333c6d | 225 | \r |
8c1babfd | 226 | if (Payload != NULL) {\r |
227 | FreePool(Payload);\r | |
228 | }\r | |
20333c6d | 229 | \r |
8c1babfd | 230 | *DataSize = DescriptorSize + PayloadSize;\r |
231 | *Data = NewData;\r | |
232 | return EFI_SUCCESS;\r | |
233 | }\r | |
234 | \r | |
ecc722ad | 235 | /**\r |
236 | Internal helper function to delete a Variable given its name and GUID, NO authentication\r | |
237 | required.\r | |
238 | \r | |
239 | @param[in] VariableName Name of the Variable.\r | |
240 | @param[in] VendorGuid GUID of the Variable.\r | |
241 | \r | |
242 | @retval EFI_SUCCESS Variable deleted successfully.\r | |
243 | @retval Others The driver failed to start the device.\r | |
244 | \r | |
245 | **/\r | |
246 | EFI_STATUS\r | |
247 | DeleteVariable (\r | |
248 | IN CHAR16 *VariableName,\r | |
249 | IN EFI_GUID *VendorGuid\r | |
250 | )\r | |
251 | {\r | |
252 | EFI_STATUS Status;\r | |
253 | VOID* Variable;\r | |
8c1babfd | 254 | UINT8 *Data;\r |
255 | UINTN DataSize;\r | |
256 | UINT32 Attr;\r | |
ecc722ad | 257 | \r |
bf4a3dbd | 258 | GetVariable2 (VariableName, VendorGuid, &Variable, NULL);\r |
ecc722ad | 259 | if (Variable == NULL) {\r |
260 | return EFI_SUCCESS;\r | |
261 | }\r | |
f71ed839 | 262 | FreePool (Variable);\r |
ecc722ad | 263 | \r |
8c1babfd | 264 | Data = NULL;\r |
265 | DataSize = 0;\r | |
266 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
267 | | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
ecc722ad | 268 | \r |
8c1babfd | 269 | Status = CreateTimeBasedPayload (&DataSize, &Data);\r |
270 | if (EFI_ERROR (Status)) {\r | |
271 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
272 | return Status;\r | |
ecc722ad | 273 | }\r |
274 | \r | |
8c1babfd | 275 | Status = gRT->SetVariable (\r |
276 | VariableName,\r | |
277 | VendorGuid,\r | |
278 | Attr,\r | |
279 | DataSize,\r | |
280 | Data\r | |
281 | );\r | |
282 | if (Data != NULL) {\r | |
283 | FreePool (Data);\r | |
ecc722ad | 284 | }\r |
ecc722ad | 285 | return Status;\r |
286 | }\r | |
287 | \r | |
f71ed839 | 288 | /**\r |
289 | \r | |
290 | Set the platform secure boot mode into "Custom" or "Standard" mode.\r | |
291 | \r | |
292 | @param[in] SecureBootMode New secure boot mode: STANDARD_SECURE_BOOT_MODE or\r | |
293 | CUSTOM_SECURE_BOOT_MODE.\r | |
20333c6d | 294 | \r |
f71ed839 | 295 | @return EFI_SUCCESS The platform has switched to the special mode successfully.\r |
296 | @return other Fail to operate the secure boot mode.\r | |
20333c6d | 297 | \r |
f71ed839 | 298 | **/\r |
299 | EFI_STATUS\r | |
300 | SetSecureBootMode (\r | |
301 | IN UINT8 SecureBootMode\r | |
302 | )\r | |
303 | {\r | |
20333c6d | 304 | return gRT->SetVariable (\r |
f71ed839 | 305 | EFI_CUSTOM_MODE_NAME,\r |
306 | &gEfiCustomModeEnableGuid,\r | |
307 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
308 | sizeof (UINT8),\r | |
309 | &SecureBootMode\r | |
310 | );\r | |
311 | }\r | |
312 | \r | |
ecc722ad | 313 | /**\r |
314 | Generate the PK signature list from the X509 Certificate storing file (.cer)\r | |
315 | \r | |
316 | @param[in] X509File FileHandle of X509 Certificate storing file.\r | |
317 | @param[out] PkCert Point to the data buffer to store the signature list.\r | |
20333c6d | 318 | \r |
ecc722ad | 319 | @return EFI_UNSUPPORTED Unsupported Key Length.\r |
320 | @return EFI_OUT_OF_RESOURCES There are not enough memory resourses to form the signature list.\r | |
20333c6d | 321 | \r |
ecc722ad | 322 | **/\r |
323 | EFI_STATUS\r | |
324 | CreatePkX509SignatureList (\r | |
20333c6d QL |
325 | IN EFI_FILE_HANDLE X509File,\r |
326 | OUT EFI_SIGNATURE_LIST **PkCert\r | |
ecc722ad | 327 | )\r |
328 | {\r | |
20333c6d | 329 | EFI_STATUS Status;\r |
ecc722ad | 330 | UINT8 *X509Data;\r |
331 | UINTN X509DataSize;\r | |
332 | EFI_SIGNATURE_DATA *PkCertData;\r | |
333 | \r | |
334 | X509Data = NULL;\r | |
335 | PkCertData = NULL;\r | |
20333c6d QL |
336 | X509DataSize = 0;\r |
337 | \r | |
4adc12bf | 338 | Status = ReadFileContent (X509File, (VOID**) &X509Data, &X509DataSize, 0);\r |
ecc722ad | 339 | if (EFI_ERROR (Status)) {\r |
340 | goto ON_EXIT;\r | |
341 | }\r | |
ba57d4fd | 342 | ASSERT (X509Data != NULL);\r |
ecc722ad | 343 | \r |
344 | //\r | |
345 | // Allocate space for PK certificate list and initialize it.\r | |
346 | // Create PK database entry with SignatureHeaderSize equals 0.\r | |
347 | //\r | |
348 | *PkCert = (EFI_SIGNATURE_LIST*) AllocateZeroPool (\r | |
349 | sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
350 | + X509DataSize\r | |
351 | );\r | |
352 | if (*PkCert == NULL) {\r | |
353 | Status = EFI_OUT_OF_RESOURCES;\r | |
354 | goto ON_EXIT;\r | |
355 | }\r | |
356 | \r | |
20333c6d | 357 | (*PkCert)->SignatureListSize = (UINT32) (sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 358 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
359 | + X509DataSize);\r | |
360 | (*PkCert)->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
361 | (*PkCert)->SignatureHeaderSize = 0;\r | |
362 | CopyGuid (&(*PkCert)->SignatureType, &gEfiCertX509Guid);\r | |
20333c6d | 363 | PkCertData = (EFI_SIGNATURE_DATA*) ((UINTN)(*PkCert)\r |
ecc722ad | 364 | + sizeof(EFI_SIGNATURE_LIST)\r |
365 | + (*PkCert)->SignatureHeaderSize);\r | |
20333c6d | 366 | CopyGuid (&PkCertData->SignatureOwner, &gEfiGlobalVariableGuid);\r |
ecc722ad | 367 | //\r |
368 | // Fill the PK database with PKpub data from X509 certificate file.\r | |
20333c6d | 369 | //\r |
ecc722ad | 370 | CopyMem (&(PkCertData->SignatureData[0]), X509Data, X509DataSize);\r |
20333c6d | 371 | \r |
ecc722ad | 372 | ON_EXIT:\r |
20333c6d | 373 | \r |
ecc722ad | 374 | if (X509Data != NULL) {\r |
375 | FreePool (X509Data);\r | |
376 | }\r | |
20333c6d | 377 | \r |
ecc722ad | 378 | if (EFI_ERROR(Status) && *PkCert != NULL) {\r |
379 | FreePool (*PkCert);\r | |
380 | *PkCert = NULL;\r | |
381 | }\r | |
20333c6d | 382 | \r |
ecc722ad | 383 | return Status;\r |
384 | }\r | |
385 | \r | |
386 | /**\r | |
387 | Enroll new PK into the System without original PK's authentication.\r | |
388 | \r | |
389 | The SignatureOwner GUID will be the same with PK's vendorguid.\r | |
390 | \r | |
391 | @param[in] PrivateData The module's private data.\r | |
392 | \r | |
393 | @retval EFI_SUCCESS New PK enrolled successfully.\r | |
394 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
395 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 396 | \r |
ecc722ad | 397 | **/\r |
398 | EFI_STATUS\r | |
399 | EnrollPlatformKey (\r | |
400 | IN SECUREBOOT_CONFIG_PRIVATE_DATA* Private\r | |
20333c6d | 401 | )\r |
ecc722ad | 402 | {\r |
403 | EFI_STATUS Status;\r | |
404 | UINT32 Attr;\r | |
405 | UINTN DataSize;\r | |
406 | EFI_SIGNATURE_LIST *PkCert;\r | |
407 | UINT16* FilePostFix;\r | |
fd64f84f | 408 | UINTN NameLength;\r |
20333c6d | 409 | \r |
ecc722ad | 410 | if (Private->FileContext->FileName == NULL) {\r |
411 | return EFI_INVALID_PARAMETER;\r | |
412 | }\r | |
413 | \r | |
414 | PkCert = NULL;\r | |
415 | \r | |
f71ed839 | 416 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
417 | if (EFI_ERROR (Status)) {\r | |
418 | return Status;\r | |
419 | }\r | |
420 | \r | |
ecc722ad | 421 | //\r |
e4d7370d | 422 | // Parse the file's postfix. Only support DER encoded X.509 certificate files.\r |
ecc722ad | 423 | //\r |
fd64f84f GCPL |
424 | NameLength = StrLen (Private->FileContext->FileName);\r |
425 | if (NameLength <= 4) {\r | |
426 | return EFI_INVALID_PARAMETER;\r | |
427 | }\r | |
428 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
e4d7370d | 429 | if (!IsDerEncodeCertificate(FilePostFix)) {\r |
430 | DEBUG ((EFI_D_ERROR, "Unsupported file type, only DER encoded certificate (%s) is supported.", mSupportX509Suffix));\r | |
ecc722ad | 431 | return EFI_INVALID_PARAMETER;\r |
432 | }\r | |
433 | DEBUG ((EFI_D_INFO, "FileName= %s\n", Private->FileContext->FileName));\r | |
434 | DEBUG ((EFI_D_INFO, "FilePostFix = %s\n", FilePostFix));\r | |
435 | \r | |
436 | //\r | |
437 | // Prase the selected PK file and generature PK certificate list.\r | |
438 | //\r | |
8c1babfd | 439 | Status = CreatePkX509SignatureList (\r |
20333c6d QL |
440 | Private->FileContext->FHandle,\r |
441 | &PkCert\r | |
8c1babfd | 442 | );\r |
443 | if (EFI_ERROR (Status)) {\r | |
444 | goto ON_EXIT;\r | |
ecc722ad | 445 | }\r |
ba57d4fd | 446 | ASSERT (PkCert != NULL);\r |
20333c6d | 447 | \r |
ecc722ad | 448 | //\r |
449 | // Set Platform Key variable.\r | |
20333c6d QL |
450 | //\r |
451 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 452 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
ecc722ad | 453 | DataSize = PkCert->SignatureListSize;\r |
8c1babfd | 454 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &PkCert);\r |
455 | if (EFI_ERROR (Status)) {\r | |
456 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
457 | goto ON_EXIT;\r | |
458 | }\r | |
20333c6d | 459 | \r |
ecc722ad | 460 | Status = gRT->SetVariable(\r |
20333c6d QL |
461 | EFI_PLATFORM_KEY_NAME,\r |
462 | &gEfiGlobalVariableGuid,\r | |
463 | Attr,\r | |
464 | DataSize,\r | |
ecc722ad | 465 | PkCert\r |
466 | );\r | |
467 | if (EFI_ERROR (Status)) {\r | |
468 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
469 | DEBUG ((EFI_D_ERROR, "Enroll PK failed with out of resource.\n"));\r | |
470 | }\r | |
471 | goto ON_EXIT;\r | |
472 | }\r | |
20333c6d | 473 | \r |
ecc722ad | 474 | ON_EXIT:\r |
475 | \r | |
476 | if (PkCert != NULL) {\r | |
477 | FreePool(PkCert);\r | |
478 | }\r | |
20333c6d | 479 | \r |
ecc722ad | 480 | if (Private->FileContext->FHandle != NULL) {\r |
481 | CloseFile (Private->FileContext->FHandle);\r | |
482 | Private->FileContext->FHandle = NULL;\r | |
483 | }\r | |
484 | \r | |
485 | return Status;\r | |
486 | }\r | |
487 | \r | |
488 | /**\r | |
489 | Remove the PK variable.\r | |
490 | \r | |
491 | @retval EFI_SUCCESS Delete PK successfully.\r | |
492 | @retval Others Could not allow to delete PK.\r | |
20333c6d | 493 | \r |
ecc722ad | 494 | **/\r |
495 | EFI_STATUS\r | |
496 | DeletePlatformKey (\r | |
497 | VOID\r | |
498 | )\r | |
499 | {\r | |
500 | EFI_STATUS Status;\r | |
501 | \r | |
f71ed839 | 502 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
503 | if (EFI_ERROR (Status)) {\r | |
504 | return Status;\r | |
505 | }\r | |
506 | \r | |
8c1babfd | 507 | Status = DeleteVariable (\r |
508 | EFI_PLATFORM_KEY_NAME,\r | |
509 | &gEfiGlobalVariableGuid\r | |
510 | );\r | |
ecc722ad | 511 | return Status;\r |
512 | }\r | |
513 | \r | |
514 | /**\r | |
515 | Enroll a new KEK item from public key storing file (*.pbk).\r | |
516 | \r | |
517 | @param[in] PrivateData The module's private data.\r | |
518 | \r | |
519 | @retval EFI_SUCCESS New KEK enrolled successfully.\r | |
520 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
521 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
522 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
523 | \r | |
524 | **/\r | |
525 | EFI_STATUS\r | |
526 | EnrollRsa2048ToKek (\r | |
527 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
528 | )\r | |
529 | {\r | |
530 | EFI_STATUS Status;\r | |
531 | UINT32 Attr;\r | |
532 | UINTN DataSize;\r | |
533 | EFI_SIGNATURE_LIST *KekSigList;\r | |
534 | UINTN KeyBlobSize;\r | |
535 | UINT8 *KeyBlob;\r | |
536 | CPL_KEY_INFO *KeyInfo;\r | |
537 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
538 | UINTN KekSigListSize;\r | |
20333c6d | 539 | UINT8 *KeyBuffer;\r |
ecc722ad | 540 | UINTN KeyLenInBytes;\r |
541 | \r | |
542 | Attr = 0;\r | |
543 | DataSize = 0;\r | |
544 | KeyBuffer = NULL;\r | |
545 | KeyBlobSize = 0;\r | |
546 | KeyBlob = NULL;\r | |
547 | KeyInfo = NULL;\r | |
548 | KEKSigData = NULL;\r | |
549 | KekSigList = NULL;\r | |
550 | KekSigListSize = 0;\r | |
20333c6d | 551 | \r |
ecc722ad | 552 | //\r |
553 | // Form the KeKpub certificate list into EFI_SIGNATURE_LIST type.\r | |
554 | // First, We have to parse out public key data from the pbk key file.\r | |
20333c6d | 555 | //\r |
ecc722ad | 556 | Status = ReadFileContent (\r |
557 | Private->FileContext->FHandle,\r | |
4adc12bf | 558 | (VOID**) &KeyBlob,\r |
ecc722ad | 559 | &KeyBlobSize,\r |
560 | 0\r | |
561 | );\r | |
562 | if (EFI_ERROR (Status)) {\r | |
563 | goto ON_EXIT;\r | |
564 | }\r | |
ba57d4fd | 565 | ASSERT (KeyBlob != NULL);\r |
ecc722ad | 566 | KeyInfo = (CPL_KEY_INFO *) KeyBlob;\r |
567 | if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {\r | |
568 | DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));\r | |
569 | Status = EFI_UNSUPPORTED;\r | |
570 | goto ON_EXIT;\r | |
571 | }\r | |
20333c6d | 572 | \r |
ecc722ad | 573 | //\r |
574 | // Convert the Public key to fix octet string format represented in RSA PKCS#1.\r | |
20333c6d | 575 | //\r |
ecc722ad | 576 | KeyLenInBytes = KeyInfo->KeyLengthInBits / 8;\r |
577 | KeyBuffer = AllocateZeroPool (KeyLenInBytes);\r | |
578 | if (KeyBuffer == NULL) {\r | |
579 | Status = EFI_OUT_OF_RESOURCES;\r | |
580 | goto ON_EXIT;\r | |
581 | }\r | |
582 | Int2OctStr (\r | |
20333c6d QL |
583 | (UINTN*) (KeyBlob + sizeof (CPL_KEY_INFO)),\r |
584 | KeyLenInBytes / sizeof (UINTN),\r | |
585 | KeyBuffer,\r | |
ecc722ad | 586 | KeyLenInBytes\r |
587 | );\r | |
588 | CopyMem(KeyBlob + sizeof(CPL_KEY_INFO), KeyBuffer, KeyLenInBytes);\r | |
20333c6d | 589 | \r |
ecc722ad | 590 | //\r |
591 | // Form an new EFI_SIGNATURE_LIST.\r | |
592 | //\r | |
593 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
594 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
595 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
596 | \r | |
597 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
598 | if (KekSigList == NULL) {\r | |
599 | Status = EFI_OUT_OF_RESOURCES;\r | |
600 | goto ON_EXIT;\r | |
601 | }\r | |
602 | \r | |
603 | KekSigList->SignatureListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
604 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
605 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
606 | KekSigList->SignatureHeaderSize = 0;\r | |
607 | KekSigList->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
608 | CopyGuid (&KekSigList->SignatureType, &gEfiCertRsa2048Guid);\r | |
20333c6d | 609 | \r |
ecc722ad | 610 | KEKSigData = (EFI_SIGNATURE_DATA*)((UINT8*)KekSigList + sizeof(EFI_SIGNATURE_LIST));\r |
611 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
612 | CopyMem (\r | |
613 | KEKSigData->SignatureData,\r | |
614 | KeyBlob + sizeof(CPL_KEY_INFO),\r | |
615 | WIN_CERT_UEFI_RSA2048_SIZE\r | |
616 | );\r | |
20333c6d | 617 | \r |
ecc722ad | 618 | //\r |
20333c6d QL |
619 | // Check if KEK entry has been already existed.\r |
620 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 621 | // new KEK to original variable.\r |
20333c6d QL |
622 | //\r |
623 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 624 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
625 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
626 | if (EFI_ERROR (Status)) {\r | |
627 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
628 | goto ON_EXIT;\r | |
629 | }\r | |
630 | \r | |
ecc722ad | 631 | Status = gRT->GetVariable(\r |
20333c6d QL |
632 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
633 | &gEfiGlobalVariableGuid,\r | |
634 | NULL,\r | |
635 | &DataSize,\r | |
ecc722ad | 636 | NULL\r |
637 | );\r | |
638 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
639 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
640 | } else if (Status != EFI_NOT_FOUND) {\r | |
641 | goto ON_EXIT;\r | |
642 | }\r | |
20333c6d | 643 | \r |
ecc722ad | 644 | //\r |
645 | // Done. Now we have formed the correct KEKpub database item, just set it into variable storage,\r | |
20333c6d | 646 | //\r |
ecc722ad | 647 | Status = gRT->SetVariable(\r |
20333c6d QL |
648 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
649 | &gEfiGlobalVariableGuid,\r | |
650 | Attr,\r | |
651 | KekSigListSize,\r | |
ecc722ad | 652 | KekSigList\r |
653 | );\r | |
654 | if (EFI_ERROR (Status)) {\r | |
655 | goto ON_EXIT;\r | |
656 | }\r | |
20333c6d | 657 | \r |
ecc722ad | 658 | ON_EXIT:\r |
659 | \r | |
660 | CloseFile (Private->FileContext->FHandle);\r | |
661 | Private->FileContext->FHandle = NULL;\r | |
762d8ddb DB |
662 | \r |
663 | if (Private->FileContext->FileName != NULL){\r | |
664 | FreePool(Private->FileContext->FileName);\r | |
665 | Private->FileContext->FileName = NULL;\r | |
666 | }\r | |
ecc722ad | 667 | \r |
668 | if (Private->SignatureGUID != NULL) {\r | |
669 | FreePool (Private->SignatureGUID);\r | |
670 | Private->SignatureGUID = NULL;\r | |
671 | }\r | |
672 | \r | |
673 | if (KeyBlob != NULL) {\r | |
674 | FreePool (KeyBlob);\r | |
675 | }\r | |
676 | if (KeyBuffer != NULL) {\r | |
677 | FreePool (KeyBuffer);\r | |
678 | }\r | |
679 | if (KekSigList != NULL) {\r | |
680 | FreePool (KekSigList);\r | |
681 | }\r | |
20333c6d | 682 | \r |
ecc722ad | 683 | return Status;\r |
684 | }\r | |
685 | \r | |
686 | /**\r | |
687 | Enroll a new KEK item from X509 certificate file.\r | |
688 | \r | |
689 | @param[in] PrivateData The module's private data.\r | |
690 | \r | |
691 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
692 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
693 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
694 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
695 | \r | |
696 | **/\r | |
697 | EFI_STATUS\r | |
698 | EnrollX509ToKek (\r | |
699 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
20333c6d | 700 | )\r |
ecc722ad | 701 | {\r |
702 | EFI_STATUS Status;\r | |
703 | UINTN X509DataSize;\r | |
704 | VOID *X509Data;\r | |
705 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
706 | EFI_SIGNATURE_LIST *KekSigList;\r | |
707 | UINTN DataSize;\r | |
708 | UINTN KekSigListSize;\r | |
709 | UINT32 Attr;\r | |
710 | \r | |
711 | X509Data = NULL;\r | |
712 | X509DataSize = 0;\r | |
713 | KekSigList = NULL;\r | |
714 | KekSigListSize = 0;\r | |
715 | DataSize = 0;\r | |
716 | KEKSigData = NULL;\r | |
717 | \r | |
718 | Status = ReadFileContent (\r | |
719 | Private->FileContext->FHandle,\r | |
720 | &X509Data,\r | |
721 | &X509DataSize,\r | |
722 | 0\r | |
723 | );\r | |
724 | if (EFI_ERROR (Status)) {\r | |
725 | goto ON_EXIT;\r | |
726 | }\r | |
ba57d4fd | 727 | ASSERT (X509Data != NULL);\r |
ecc722ad | 728 | \r |
729 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
730 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
731 | if (KekSigList == NULL) {\r | |
732 | Status = EFI_OUT_OF_RESOURCES;\r | |
733 | goto ON_EXIT;\r | |
734 | }\r | |
735 | \r | |
736 | //\r | |
737 | // Fill Certificate Database parameters.\r | |
20333c6d | 738 | //\r |
ecc722ad | 739 | KekSigList->SignatureListSize = (UINT32) KekSigListSize;\r |
740 | KekSigList->SignatureHeaderSize = 0;\r | |
741 | KekSigList->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
742 | CopyGuid (&KekSigList->SignatureType, &gEfiCertX509Guid);\r | |
743 | \r | |
744 | KEKSigData = (EFI_SIGNATURE_DATA*) ((UINT8*) KekSigList + sizeof (EFI_SIGNATURE_LIST));\r | |
745 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
746 | CopyMem (KEKSigData->SignatureData, X509Data, X509DataSize);\r | |
747 | \r | |
748 | //\r | |
20333c6d QL |
749 | // Check if KEK been already existed.\r |
750 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 751 | // new kek to original variable\r |
20333c6d QL |
752 | //\r |
753 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 754 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
755 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
756 | if (EFI_ERROR (Status)) {\r | |
757 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
758 | goto ON_EXIT;\r | |
759 | }\r | |
20333c6d | 760 | \r |
ecc722ad | 761 | Status = gRT->GetVariable(\r |
20333c6d QL |
762 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
763 | &gEfiGlobalVariableGuid,\r | |
764 | NULL,\r | |
765 | &DataSize,\r | |
ecc722ad | 766 | NULL\r |
767 | );\r | |
768 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
769 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
770 | } else if (Status != EFI_NOT_FOUND) {\r | |
771 | goto ON_EXIT;\r | |
20333c6d | 772 | }\r |
ecc722ad | 773 | \r |
774 | Status = gRT->SetVariable(\r | |
20333c6d QL |
775 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
776 | &gEfiGlobalVariableGuid,\r | |
777 | Attr,\r | |
ecc722ad | 778 | KekSigListSize,\r |
779 | KekSigList\r | |
780 | );\r | |
781 | if (EFI_ERROR (Status)) {\r | |
782 | goto ON_EXIT;\r | |
783 | }\r | |
784 | \r | |
785 | ON_EXIT:\r | |
20333c6d QL |
786 | \r |
787 | CloseFile (Private->FileContext->FHandle);\r | |
762d8ddb DB |
788 | if (Private->FileContext->FileName != NULL){\r |
789 | FreePool(Private->FileContext->FileName);\r | |
790 | Private->FileContext->FileName = NULL;\r | |
791 | }\r | |
792 | \r | |
20333c6d QL |
793 | Private->FileContext->FHandle = NULL;\r |
794 | \r | |
795 | if (Private->SignatureGUID != NULL) {\r | |
796 | FreePool (Private->SignatureGUID);\r | |
797 | Private->SignatureGUID = NULL;\r | |
798 | }\r | |
799 | \r | |
800 | if (KekSigList != NULL) {\r | |
801 | FreePool (KekSigList);\r | |
802 | }\r | |
803 | \r | |
804 | return Status;\r | |
805 | }\r | |
806 | \r | |
807 | /**\r | |
808 | Enroll new KEK into the System without PK's authentication.\r | |
809 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
810 | \r | |
811 | @param[in] PrivateData The module's private data.\r | |
812 | \r | |
813 | @retval EFI_SUCCESS New KEK enrolled successful.\r | |
814 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
815 | @retval others Fail to enroll KEK data.\r | |
816 | \r | |
817 | **/\r | |
818 | EFI_STATUS\r | |
819 | EnrollKeyExchangeKey (\r | |
820 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
821 | )\r | |
822 | {\r | |
823 | UINT16* FilePostFix;\r | |
824 | EFI_STATUS Status;\r | |
825 | UINTN NameLength;\r | |
826 | \r | |
827 | if ((Private->FileContext->FileName == NULL) || (Private->SignatureGUID == NULL)) {\r | |
828 | return EFI_INVALID_PARAMETER;\r | |
829 | }\r | |
830 | \r | |
831 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
832 | if (EFI_ERROR (Status)) {\r | |
833 | return Status;\r | |
834 | }\r | |
835 | \r | |
836 | //\r | |
837 | // Parse the file's postfix. Supports DER-encoded X509 certificate,\r | |
838 | // and .pbk as RSA public key file.\r | |
839 | //\r | |
840 | NameLength = StrLen (Private->FileContext->FileName);\r | |
841 | if (NameLength <= 4) {\r | |
842 | return EFI_INVALID_PARAMETER;\r | |
843 | }\r | |
844 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
845 | if (IsDerEncodeCertificate(FilePostFix)) {\r | |
846 | return EnrollX509ToKek (Private);\r | |
847 | } else if (CompareMem (FilePostFix, L".pbk",4) == 0) {\r | |
848 | return EnrollRsa2048ToKek (Private);\r | |
849 | } else {\r | |
850 | return EFI_INVALID_PARAMETER;\r | |
851 | }\r | |
852 | }\r | |
853 | \r | |
854 | /**\r | |
855 | Enroll a new X509 certificate into Signature Database (DB or DBX or DBT) without\r | |
856 | KEK's authentication.\r | |
857 | \r | |
858 | @param[in] PrivateData The module's private data.\r | |
859 | @param[in] VariableName Variable name of signature database, must be\r | |
860 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
861 | \r | |
862 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
863 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
864 | \r | |
865 | **/\r | |
866 | EFI_STATUS\r | |
867 | EnrollX509toSigDB (\r | |
868 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
869 | IN CHAR16 *VariableName\r | |
870 | )\r | |
871 | {\r | |
872 | EFI_STATUS Status;\r | |
873 | UINTN X509DataSize;\r | |
874 | VOID *X509Data;\r | |
875 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
876 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
877 | VOID *Data;\r | |
878 | UINTN DataSize;\r | |
879 | UINTN SigDBSize;\r | |
880 | UINT32 Attr;\r | |
881 | \r | |
882 | X509DataSize = 0;\r | |
883 | SigDBSize = 0;\r | |
884 | DataSize = 0;\r | |
885 | X509Data = NULL;\r | |
886 | SigDBCert = NULL;\r | |
887 | SigDBCertData = NULL;\r | |
888 | Data = NULL;\r | |
889 | \r | |
890 | Status = ReadFileContent (\r | |
891 | Private->FileContext->FHandle,\r | |
892 | &X509Data,\r | |
893 | &X509DataSize,\r | |
894 | 0\r | |
895 | );\r | |
896 | if (EFI_ERROR (Status)) {\r | |
897 | goto ON_EXIT;\r | |
898 | }\r | |
899 | ASSERT (X509Data != NULL);\r | |
900 | \r | |
901 | SigDBSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
902 | \r | |
903 | Data = AllocateZeroPool (SigDBSize);\r | |
904 | if (Data == NULL) {\r | |
905 | Status = EFI_OUT_OF_RESOURCES;\r | |
906 | goto ON_EXIT;\r | |
907 | }\r | |
908 | \r | |
909 | //\r | |
910 | // Fill Certificate Database parameters.\r | |
911 | //\r | |
912 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r | |
913 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
914 | SigDBCert->SignatureHeaderSize = 0;\r | |
915 | SigDBCert->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
916 | CopyGuid (&SigDBCert->SignatureType, &gEfiCertX509Guid);\r | |
917 | \r | |
918 | SigDBCertData = (EFI_SIGNATURE_DATA*) ((UINT8* ) SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r | |
919 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
920 | CopyMem ((UINT8* ) (SigDBCertData->SignatureData), X509Data, X509DataSize);\r | |
921 | \r | |
922 | //\r | |
923 | // Check if signature database entry has been already existed.\r | |
924 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
925 | // new signature data to original variable\r | |
926 | //\r | |
927 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
928 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
929 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
930 | if (EFI_ERROR (Status)) {\r | |
931 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
932 | goto ON_EXIT;\r | |
933 | }\r | |
934 | \r | |
935 | Status = gRT->GetVariable(\r | |
936 | VariableName,\r | |
937 | &gEfiImageSecurityDatabaseGuid,\r | |
938 | NULL,\r | |
939 | &DataSize,\r | |
940 | NULL\r | |
941 | );\r | |
942 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
943 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
944 | } else if (Status != EFI_NOT_FOUND) {\r | |
945 | goto ON_EXIT;\r | |
946 | }\r | |
947 | \r | |
948 | Status = gRT->SetVariable(\r | |
949 | VariableName,\r | |
950 | &gEfiImageSecurityDatabaseGuid,\r | |
951 | Attr,\r | |
952 | SigDBSize,\r | |
953 | Data\r | |
954 | );\r | |
955 | if (EFI_ERROR (Status)) {\r | |
956 | goto ON_EXIT;\r | |
957 | }\r | |
958 | \r | |
959 | ON_EXIT:\r | |
960 | \r | |
961 | CloseFile (Private->FileContext->FHandle);\r | |
762d8ddb DB |
962 | if (Private->FileContext->FileName != NULL){\r |
963 | FreePool(Private->FileContext->FileName);\r | |
964 | Private->FileContext->FileName = NULL;\r | |
965 | }\r | |
966 | \r | |
20333c6d QL |
967 | Private->FileContext->FHandle = NULL;\r |
968 | \r | |
969 | if (Private->SignatureGUID != NULL) {\r | |
970 | FreePool (Private->SignatureGUID);\r | |
971 | Private->SignatureGUID = NULL;\r | |
972 | }\r | |
973 | \r | |
974 | if (Data != NULL) {\r | |
975 | FreePool (Data);\r | |
976 | }\r | |
977 | \r | |
978 | if (X509Data != NULL) {\r | |
979 | FreePool (X509Data);\r | |
980 | }\r | |
981 | \r | |
982 | return Status;\r | |
983 | }\r | |
984 | \r | |
985 | /**\r | |
986 | Check whether signature is in specified database.\r | |
987 | \r | |
988 | @param[in] VariableName Name of database variable that is searched in.\r | |
989 | @param[in] Signature Pointer to signature that is searched for.\r | |
990 | @param[in] SignatureSize Size of Signature.\r | |
991 | \r | |
992 | @return TRUE Found the signature in the variable database.\r | |
993 | @return FALSE Not found the signature in the variable database.\r | |
994 | \r | |
995 | **/\r | |
996 | BOOLEAN\r | |
997 | IsSignatureFoundInDatabase (\r | |
998 | IN CHAR16 *VariableName,\r | |
999 | IN UINT8 *Signature,\r | |
1000 | IN UINTN SignatureSize\r | |
1001 | )\r | |
1002 | {\r | |
1003 | EFI_STATUS Status;\r | |
1004 | EFI_SIGNATURE_LIST *CertList;\r | |
1005 | EFI_SIGNATURE_DATA *Cert;\r | |
1006 | UINTN DataSize;\r | |
1007 | UINT8 *Data;\r | |
1008 | UINTN Index;\r | |
1009 | UINTN CertCount;\r | |
1010 | BOOLEAN IsFound;\r | |
1011 | \r | |
1012 | //\r | |
1013 | // Read signature database variable.\r | |
1014 | //\r | |
1015 | IsFound = FALSE;\r | |
1016 | Data = NULL;\r | |
1017 | DataSize = 0;\r | |
1018 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1019 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1020 | return FALSE;\r | |
1021 | }\r | |
1022 | \r | |
1023 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1024 | if (Data == NULL) {\r | |
1025 | return FALSE;\r | |
1026 | }\r | |
1027 | \r | |
1028 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1029 | if (EFI_ERROR (Status)) {\r | |
1030 | goto Done;\r | |
1031 | }\r | |
1032 | \r | |
1033 | //\r | |
1034 | // Enumerate all signature data in SigDB to check if executable's signature exists.\r | |
1035 | //\r | |
1036 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
1037 | while ((DataSize > 0) && (DataSize >= CertList->SignatureListSize)) {\r | |
1038 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
1039 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
1040 | if ((CertList->SignatureSize == sizeof(EFI_SIGNATURE_DATA) - 1 + SignatureSize) && (CompareGuid(&CertList->SignatureType, &gEfiCertX509Guid))) {\r | |
1041 | for (Index = 0; Index < CertCount; Index++) {\r | |
1042 | if (CompareMem (Cert->SignatureData, Signature, SignatureSize) == 0) {\r | |
1043 | //\r | |
1044 | // Find the signature in database.\r | |
1045 | //\r | |
1046 | IsFound = TRUE;\r | |
1047 | break;\r | |
1048 | }\r | |
1049 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
1050 | }\r | |
1051 | \r | |
1052 | if (IsFound) {\r | |
1053 | break;\r | |
1054 | }\r | |
1055 | }\r | |
1056 | \r | |
1057 | DataSize -= CertList->SignatureListSize;\r | |
1058 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
1059 | }\r | |
1060 | \r | |
1061 | Done:\r | |
1062 | if (Data != NULL) {\r | |
1063 | FreePool (Data);\r | |
1064 | }\r | |
1065 | \r | |
1066 | return IsFound;\r | |
1067 | }\r | |
1068 | \r | |
1069 | /**\r | |
1070 | Calculate the hash of a certificate data with the specified hash algorithm.\r | |
1071 | \r | |
1072 | @param[in] CertData The certificate data to be hashed.\r | |
1073 | @param[in] CertSize The certificate size in bytes.\r | |
1074 | @param[in] HashAlg The specified hash algorithm.\r | |
1075 | @param[out] CertHash The output digest of the certificate\r | |
1076 | \r | |
1077 | @retval TRUE Successfully got the hash of the CertData.\r | |
1078 | @retval FALSE Failed to get the hash of CertData.\r | |
1079 | \r | |
1080 | **/\r | |
1081 | BOOLEAN\r | |
1082 | CalculateCertHash (\r | |
1083 | IN UINT8 *CertData,\r | |
1084 | IN UINTN CertSize,\r | |
1085 | IN UINT32 HashAlg,\r | |
1086 | OUT UINT8 *CertHash\r | |
1087 | )\r | |
1088 | {\r | |
1089 | BOOLEAN Status;\r | |
1090 | VOID *HashCtx;\r | |
1091 | UINTN CtxSize;\r | |
12d95665 LQ |
1092 | UINT8 *TBSCert;\r |
1093 | UINTN TBSCertSize;\r | |
20333c6d QL |
1094 | \r |
1095 | HashCtx = NULL;\r | |
1096 | Status = FALSE;\r | |
1097 | \r | |
1098 | if (HashAlg >= HASHALG_MAX) {\r | |
1099 | return FALSE;\r | |
1100 | }\r | |
1101 | \r | |
12d95665 LQ |
1102 | //\r |
1103 | // Retrieve the TBSCertificate for Hash Calculation.\r | |
1104 | //\r | |
1105 | if (!X509GetTBSCert (CertData, CertSize, &TBSCert, &TBSCertSize)) {\r | |
1106 | return FALSE;\r | |
1107 | }\r | |
1108 | \r | |
20333c6d QL |
1109 | //\r |
1110 | // 1. Initialize context of hash.\r | |
1111 | //\r | |
1112 | CtxSize = mHash[HashAlg].GetContextSize ();\r | |
1113 | HashCtx = AllocatePool (CtxSize);\r | |
1114 | ASSERT (HashCtx != NULL);\r | |
1115 | \r | |
1116 | //\r | |
1117 | // 2. Initialize a hash context.\r | |
1118 | //\r | |
1119 | Status = mHash[HashAlg].HashInit (HashCtx);\r | |
1120 | if (!Status) {\r | |
1121 | goto Done;\r | |
1122 | }\r | |
1123 | \r | |
1124 | //\r | |
1125 | // 3. Calculate the hash.\r | |
1126 | //\r | |
12d95665 | 1127 | Status = mHash[HashAlg].HashUpdate (HashCtx, TBSCert, TBSCertSize);\r |
20333c6d QL |
1128 | if (!Status) {\r |
1129 | goto Done;\r | |
1130 | }\r | |
1131 | \r | |
1132 | //\r | |
1133 | // 4. Get the hash result.\r | |
1134 | //\r | |
1135 | ZeroMem (CertHash, mHash[HashAlg].DigestLength);\r | |
1136 | Status = mHash[HashAlg].HashFinal (HashCtx, CertHash);\r | |
1137 | \r | |
1138 | Done:\r | |
1139 | if (HashCtx != NULL) {\r | |
1140 | FreePool (HashCtx);\r | |
1141 | }\r | |
1142 | \r | |
1143 | return Status;\r | |
1144 | }\r | |
1145 | \r | |
1146 | /**\r | |
1147 | Check whether the hash of an X.509 certificate is in forbidden database (DBX).\r | |
1148 | \r | |
1149 | @param[in] Certificate Pointer to X.509 Certificate that is searched for.\r | |
1150 | @param[in] CertSize Size of X.509 Certificate.\r | |
1151 | \r | |
1152 | @return TRUE Found the certificate hash in the forbidden database.\r | |
1153 | @return FALSE Certificate hash is Not found in the forbidden database.\r | |
1154 | \r | |
1155 | **/\r | |
1156 | BOOLEAN\r | |
1157 | IsCertHashFoundInDbx (\r | |
1158 | IN UINT8 *Certificate,\r | |
1159 | IN UINTN CertSize\r | |
1160 | )\r | |
1161 | {\r | |
1162 | BOOLEAN IsFound;\r | |
1163 | EFI_STATUS Status;\r | |
1164 | EFI_SIGNATURE_LIST *DbxList;\r | |
1165 | EFI_SIGNATURE_DATA *CertHash;\r | |
1166 | UINTN CertHashCount;\r | |
1167 | UINTN Index;\r | |
1168 | UINT32 HashAlg;\r | |
1169 | UINT8 CertDigest[MAX_DIGEST_SIZE];\r | |
1170 | UINT8 *DbxCertHash;\r | |
1171 | UINTN SiglistHeaderSize;\r | |
1172 | UINT8 *Data;\r | |
1173 | UINTN DataSize;\r | |
1174 | \r | |
1175 | IsFound = FALSE;\r | |
1176 | HashAlg = HASHALG_MAX;\r | |
1177 | Data = NULL;\r | |
1178 | \r | |
1179 | //\r | |
1180 | // Read signature database variable.\r | |
1181 | //\r | |
1182 | DataSize = 0;\r | |
1183 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1184 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1185 | return FALSE;\r | |
1186 | }\r | |
1187 | \r | |
1188 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1189 | if (Data == NULL) {\r | |
1190 | return FALSE;\r | |
1191 | }\r | |
1192 | \r | |
1193 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1194 | if (EFI_ERROR (Status)) {\r | |
1195 | goto Done;\r | |
1196 | }\r | |
1197 | \r | |
1198 | //\r | |
1199 | // Check whether the certificate hash exists in the forbidden database.\r | |
1200 | //\r | |
1201 | DbxList = (EFI_SIGNATURE_LIST *) Data;\r | |
1202 | while ((DataSize > 0) && (DataSize >= DbxList->SignatureListSize)) {\r | |
1203 | //\r | |
1204 | // Determine Hash Algorithm of Certificate in the forbidden database.\r | |
1205 | //\r | |
1206 | if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
1207 | HashAlg = HASHALG_SHA256;\r | |
1208 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
1209 | HashAlg = HASHALG_SHA384;\r | |
1210 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
1211 | HashAlg = HASHALG_SHA512;\r | |
1212 | } else {\r | |
1213 | DataSize -= DbxList->SignatureListSize;\r | |
1214 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1215 | continue;\r | |
1216 | }\r | |
1217 | \r | |
1218 | //\r | |
1219 | // Calculate the hash value of current db certificate for comparision.\r | |
1220 | //\r | |
1221 | if (!CalculateCertHash (Certificate, CertSize, HashAlg, CertDigest)) {\r | |
1222 | goto Done;\r | |
1223 | }\r | |
1224 | \r | |
1225 | SiglistHeaderSize = sizeof (EFI_SIGNATURE_LIST) + DbxList->SignatureHeaderSize;\r | |
1226 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) DbxList + SiglistHeaderSize);\r | |
1227 | CertHashCount = (DbxList->SignatureListSize - SiglistHeaderSize) / DbxList->SignatureSize;\r | |
1228 | for (Index = 0; Index < CertHashCount; Index++) {\r | |
1229 | //\r | |
1230 | // Iterate each Signature Data Node within this CertList for verify.\r | |
1231 | //\r | |
1232 | DbxCertHash = CertHash->SignatureData;\r | |
1233 | if (CompareMem (DbxCertHash, CertDigest, mHash[HashAlg].DigestLength) == 0) {\r | |
1234 | //\r | |
1235 | // Hash of Certificate is found in forbidden database.\r | |
1236 | //\r | |
1237 | IsFound = TRUE;\r | |
1238 | goto Done;\r | |
1239 | }\r | |
1240 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertHash + DbxList->SignatureSize);\r | |
1241 | }\r | |
1242 | \r | |
1243 | DataSize -= DbxList->SignatureListSize;\r | |
1244 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1245 | }\r | |
1246 | \r | |
1247 | Done:\r | |
1248 | if (Data != NULL) {\r | |
1249 | FreePool (Data);\r | |
1250 | }\r | |
1251 | \r | |
1252 | return IsFound;\r | |
1253 | }\r | |
1254 | \r | |
1255 | /**\r | |
1256 | Check whether the signature list exists in given variable data.\r | |
1257 | \r | |
1258 | It searches the signature list for the ceritificate hash by CertType.\r | |
1259 | If the signature list is found, get the offset of Database for the\r | |
1260 | next hash of a certificate.\r | |
1261 | \r | |
1262 | @param[in] Database Variable data to save signature list.\r | |
1263 | @param[in] DatabaseSize Variable size.\r | |
1264 | @param[in] SignatureType The type of the signature.\r | |
1265 | @param[out] Offset The offset to save a new hash of certificate.\r | |
1266 | \r | |
1267 | @return TRUE The signature list is found in the forbidden database.\r | |
1268 | @return FALSE The signature list is not found in the forbidden database.\r | |
1269 | **/\r | |
1270 | BOOLEAN\r | |
1271 | GetSignaturelistOffset (\r | |
1272 | IN EFI_SIGNATURE_LIST *Database,\r | |
1273 | IN UINTN DatabaseSize,\r | |
1274 | IN EFI_GUID *SignatureType,\r | |
1275 | OUT UINTN *Offset\r | |
1276 | )\r | |
1277 | {\r | |
1278 | EFI_SIGNATURE_LIST *SigList;\r | |
1279 | UINTN SiglistSize;\r | |
1280 | \r | |
1281 | if ((Database == NULL) || (DatabaseSize == 0)) {\r | |
1282 | *Offset = 0;\r | |
1283 | return FALSE;\r | |
1284 | }\r | |
1285 | \r | |
1286 | SigList = Database;\r | |
1287 | SiglistSize = DatabaseSize;\r | |
1288 | while ((SiglistSize > 0) && (SiglistSize >= SigList->SignatureListSize)) {\r | |
1289 | if (CompareGuid (&SigList->SignatureType, SignatureType)) {\r | |
1290 | *Offset = DatabaseSize - SiglistSize;\r | |
1291 | return TRUE;\r | |
1292 | }\r | |
1293 | SiglistSize -= SigList->SignatureListSize;\r | |
1294 | SigList = (EFI_SIGNATURE_LIST *) ((UINT8 *) SigList + SigList->SignatureListSize);\r | |
1295 | }\r | |
1296 | *Offset = 0;\r | |
1297 | return FALSE;\r | |
1298 | }\r | |
1299 | \r | |
1300 | /**\r | |
1301 | Enroll a new X509 certificate hash into Signature Database (dbx) without\r | |
1302 | KEK's authentication.\r | |
1303 | \r | |
1304 | @param[in] PrivateData The module's private data.\r | |
1305 | @param[in] HashAlg The hash algorithm to enroll the certificate.\r | |
1306 | @param[in] RevocationDate The revocation date of the certificate.\r | |
1307 | @param[in] RevocationTime The revocation time of the certificate.\r | |
1308 | @param[in] AlwaysRevocation Indicate whether the certificate is always revoked.\r | |
1309 | \r | |
1310 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
1311 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1312 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1313 | \r | |
1314 | **/\r | |
1315 | EFI_STATUS\r | |
1316 | EnrollX509HashtoSigDB (\r | |
1317 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
1318 | IN UINT32 HashAlg,\r | |
1319 | IN EFI_HII_DATE *RevocationDate,\r | |
1320 | IN EFI_HII_TIME *RevocationTime,\r | |
1321 | IN BOOLEAN AlwaysRevocation\r | |
1322 | )\r | |
1323 | {\r | |
1324 | EFI_STATUS Status;\r | |
1325 | UINTN X509DataSize;\r | |
1326 | VOID *X509Data;\r | |
1327 | EFI_SIGNATURE_LIST *SignatureList;\r | |
1328 | UINTN SignatureListSize;\r | |
1329 | UINT8 *Data;\r | |
1330 | UINT8 *NewData;\r | |
1331 | UINTN DataSize;\r | |
1332 | UINTN DbSize;\r | |
1333 | UINT32 Attr;\r | |
1334 | EFI_SIGNATURE_DATA *SignatureData;\r | |
1335 | UINTN SignatureSize;\r | |
1336 | EFI_GUID SignatureType;\r | |
1337 | UINTN Offset;\r | |
1338 | UINT8 CertHash[MAX_DIGEST_SIZE];\r | |
1339 | UINT16* FilePostFix;\r | |
1340 | UINTN NameLength;\r | |
1341 | EFI_TIME *Time;\r | |
1342 | \r | |
1343 | X509DataSize = 0;\r | |
1344 | DbSize = 0;\r | |
1345 | X509Data = NULL;\r | |
1346 | SignatureData = NULL;\r | |
1347 | SignatureList = NULL;\r | |
1348 | Data = NULL;\r | |
1349 | NewData = NULL;\r | |
1350 | \r | |
1351 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
1352 | return EFI_INVALID_PARAMETER;\r | |
1353 | }\r | |
1354 | \r | |
1355 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
1356 | if (EFI_ERROR (Status)) {\r | |
1357 | return Status;\r | |
1358 | }\r | |
1359 | \r | |
1360 | //\r | |
1361 | // Parse the file's postfix.\r | |
1362 | //\r | |
1363 | NameLength = StrLen (Private->FileContext->FileName);\r | |
1364 | if (NameLength <= 4) {\r | |
1365 | return EFI_INVALID_PARAMETER;\r | |
1366 | }\r | |
1367 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
1368 | if (!IsDerEncodeCertificate(FilePostFix)) {\r | |
1369 | //\r | |
1370 | // Only supports DER-encoded X509 certificate.\r | |
1371 | //\r | |
1372 | return EFI_INVALID_PARAMETER;\r | |
1373 | }\r | |
1374 | \r | |
1375 | //\r | |
1376 | // Get the certificate from file and calculate its hash.\r | |
1377 | //\r | |
1378 | Status = ReadFileContent (\r | |
1379 | Private->FileContext->FHandle,\r | |
1380 | &X509Data,\r | |
1381 | &X509DataSize,\r | |
1382 | 0\r | |
1383 | );\r | |
1384 | if (EFI_ERROR (Status)) {\r | |
1385 | goto ON_EXIT;\r | |
1386 | }\r | |
1387 | ASSERT (X509Data != NULL);\r | |
1388 | \r | |
1389 | if (!CalculateCertHash (X509Data, X509DataSize, HashAlg, CertHash)) {\r | |
1390 | goto ON_EXIT;\r | |
1391 | }\r | |
1392 | \r | |
1393 | //\r | |
1394 | // Get the variable for enrollment.\r | |
1395 | //\r | |
1396 | DataSize = 0;\r | |
1397 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1398 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1399 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1400 | if (Data == NULL) {\r | |
1401 | return EFI_OUT_OF_RESOURCES;\r | |
1402 | }\r | |
1403 | \r | |
1404 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1405 | if (EFI_ERROR (Status)) {\r | |
1406 | goto ON_EXIT;\r | |
1407 | }\r | |
1408 | }\r | |
1409 | \r | |
1410 | //\r | |
1411 | // Allocate memory for Signature and fill the Signature\r | |
1412 | //\r | |
1413 | SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + sizeof (EFI_TIME) + mHash[HashAlg].DigestLength;\r | |
1414 | SignatureData = (EFI_SIGNATURE_DATA *) AllocateZeroPool (SignatureSize);\r | |
1415 | if (SignatureData == NULL) {\r | |
1416 | return EFI_OUT_OF_RESOURCES;\r | |
1417 | }\r | |
1418 | CopyGuid (&SignatureData->SignatureOwner, Private->SignatureGUID);\r | |
1419 | CopyMem (SignatureData->SignatureData, CertHash, mHash[HashAlg].DigestLength);\r | |
1420 | \r | |
1421 | //\r | |
1422 | // Fill the time.\r | |
1423 | //\r | |
1424 | if (!AlwaysRevocation) {\r | |
1425 | Time = (EFI_TIME *)(&SignatureData->SignatureData + mHash[HashAlg].DigestLength);\r | |
1426 | Time->Year = RevocationDate->Year;\r | |
1427 | Time->Month = RevocationDate->Month;\r | |
1428 | Time->Day = RevocationDate->Day;\r | |
1429 | Time->Hour = RevocationTime->Hour;\r | |
1430 | Time->Minute = RevocationTime->Minute;\r | |
1431 | Time->Second = RevocationTime->Second;\r | |
1432 | }\r | |
1433 | \r | |
1434 | //\r | |
1435 | // Determine the GUID for certificate hash.\r | |
1436 | //\r | |
1437 | switch (HashAlg) {\r | |
1438 | case HASHALG_SHA256:\r | |
1439 | SignatureType = gEfiCertX509Sha256Guid;\r | |
1440 | break;\r | |
1441 | case HASHALG_SHA384:\r | |
1442 | SignatureType = gEfiCertX509Sha384Guid;\r | |
1443 | break;\r | |
1444 | case HASHALG_SHA512:\r | |
1445 | SignatureType = gEfiCertX509Sha512Guid;\r | |
1446 | break;\r | |
1447 | default:\r | |
1448 | return FALSE;\r | |
1449 | }\r | |
1450 | \r | |
1451 | //\r | |
1452 | // Add signature into the new variable data buffer\r | |
1453 | //\r | |
1454 | if (GetSignaturelistOffset((EFI_SIGNATURE_LIST *)Data, DataSize, &SignatureType, &Offset)) {\r | |
1455 | //\r | |
1456 | // Add the signature to the found signaturelist.\r | |
1457 | //\r | |
1458 | DbSize = DataSize + SignatureSize;\r | |
1459 | NewData = AllocateZeroPool (DbSize);\r | |
1460 | if (NewData == NULL) {\r | |
1461 | Status = EFI_OUT_OF_RESOURCES;\r | |
1462 | goto ON_EXIT;\r | |
1463 | }\r | |
1464 | \r | |
1465 | SignatureList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
1466 | SignatureListSize = (UINTN) ReadUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize);\r | |
1467 | CopyMem (NewData, Data, Offset + SignatureListSize);\r | |
1468 | \r | |
1469 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + Offset);\r | |
1470 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32)(SignatureListSize + SignatureSize));\r | |
1471 | \r | |
1472 | Offset += SignatureListSize;\r | |
1473 | CopyMem (NewData + Offset, SignatureData, SignatureSize);\r | |
1474 | CopyMem (NewData + Offset + SignatureSize, Data + Offset, DataSize - Offset);\r | |
1475 | \r | |
1476 | FreePool (Data);\r | |
1477 | Data = NewData;\r | |
1478 | DataSize = DbSize;\r | |
1479 | } else {\r | |
1480 | //\r | |
1481 | // Create a new signaturelist, and add the signature into the signaturelist.\r | |
1482 | //\r | |
1483 | DbSize = DataSize + sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1484 | NewData = AllocateZeroPool (DbSize);\r | |
1485 | if (NewData == NULL) {\r | |
1486 | Status = EFI_OUT_OF_RESOURCES;\r | |
1487 | goto ON_EXIT;\r | |
1488 | }\r | |
1489 | //\r | |
1490 | // Fill Certificate Database parameters.\r | |
1491 | //\r | |
1492 | SignatureList = (EFI_SIGNATURE_LIST*) (NewData + DataSize);\r | |
1493 | SignatureListSize = sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1494 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32) SignatureListSize);\r | |
1495 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureSize, (UINT32) SignatureSize);\r | |
1496 | CopyGuid (&SignatureList->SignatureType, &SignatureType);\r | |
1497 | CopyMem ((UINT8* ) SignatureList + sizeof (EFI_SIGNATURE_LIST), SignatureData, SignatureSize);\r | |
1498 | if ((DataSize != 0) && (Data != NULL)) {\r | |
1499 | CopyMem (NewData, Data, DataSize);\r | |
1500 | FreePool (Data);\r | |
1501 | }\r | |
1502 | Data = NewData;\r | |
1503 | DataSize = DbSize;\r | |
1504 | }\r | |
1505 | \r | |
1506 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &Data);\r | |
1507 | if (EFI_ERROR (Status)) {\r | |
1508 | goto ON_EXIT;\r | |
1509 | }\r | |
1510 | \r | |
1511 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
1512 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
1513 | Status = gRT->SetVariable(\r | |
1514 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
1515 | &gEfiImageSecurityDatabaseGuid,\r | |
1516 | Attr,\r | |
1517 | DataSize,\r | |
1518 | Data\r | |
1519 | );\r | |
1520 | if (EFI_ERROR (Status)) {\r | |
1521 | goto ON_EXIT;\r | |
1522 | }\r | |
1523 | \r | |
1524 | ON_EXIT:\r | |
ecc722ad | 1525 | CloseFile (Private->FileContext->FHandle);\r |
762d8ddb DB |
1526 | if (Private->FileContext->FileName != NULL){\r |
1527 | FreePool(Private->FileContext->FileName);\r | |
1528 | Private->FileContext->FileName = NULL;\r | |
1529 | }\r | |
1530 | \r | |
ecc722ad | 1531 | Private->FileContext->FHandle = NULL;\r |
1532 | \r | |
1533 | if (Private->SignatureGUID != NULL) {\r | |
1534 | FreePool (Private->SignatureGUID);\r | |
1535 | Private->SignatureGUID = NULL;\r | |
1536 | }\r | |
1537 | \r | |
20333c6d QL |
1538 | if (Data != NULL) {\r |
1539 | FreePool (Data);\r | |
ecc722ad | 1540 | }\r |
1541 | \r | |
20333c6d QL |
1542 | if (SignatureData != NULL) {\r |
1543 | FreePool (SignatureData);\r | |
ecc722ad | 1544 | }\r |
1545 | \r | |
20333c6d QL |
1546 | if (X509Data != NULL) {\r |
1547 | FreePool (X509Data);\r | |
f71ed839 | 1548 | }\r |
1549 | \r | |
20333c6d | 1550 | return Status;\r |
ecc722ad | 1551 | }\r |
1552 | \r | |
1553 | /**\r | |
20333c6d | 1554 | Check whether a certificate from a file exists in dbx.\r |
ecc722ad | 1555 | \r |
1556 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
1557 | @param[in] VariableName Variable name of signature database, must be\r |
1558 | EFI_IMAGE_SECURITY_DATABASE1.\r | |
ecc722ad | 1559 | \r |
20333c6d QL |
1560 | @retval TRUE The X509 certificate is found in dbx successfully.\r |
1561 | @retval FALSE The X509 certificate is not found in dbx.\r | |
ecc722ad | 1562 | **/\r |
20333c6d QL |
1563 | BOOLEAN\r |
1564 | IsX509CertInDbx (\r | |
ecc722ad | 1565 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1566 | IN CHAR16 *VariableName\r | |
20333c6d | 1567 | )\r |
ecc722ad | 1568 | {\r |
20333c6d QL |
1569 | EFI_STATUS Status;\r |
1570 | UINTN X509DataSize;\r | |
1571 | VOID *X509Data;\r | |
1572 | BOOLEAN IsFound;\r | |
ecc722ad | 1573 | \r |
20333c6d QL |
1574 | //\r |
1575 | // Read the certificate from file\r | |
1576 | //\r | |
ecc722ad | 1577 | X509DataSize = 0;\r |
ecc722ad | 1578 | X509Data = NULL;\r |
ecc722ad | 1579 | Status = ReadFileContent (\r |
1580 | Private->FileContext->FHandle,\r | |
1581 | &X509Data,\r | |
1582 | &X509DataSize,\r | |
1583 | 0\r | |
1584 | );\r | |
1585 | if (EFI_ERROR (Status)) {\r | |
20333c6d | 1586 | return FALSE;\r |
ecc722ad | 1587 | }\r |
1588 | \r | |
1589 | //\r | |
20333c6d | 1590 | // Check the raw certificate.\r |
ecc722ad | 1591 | //\r |
20333c6d QL |
1592 | IsFound = FALSE;\r |
1593 | if (IsSignatureFoundInDatabase (EFI_IMAGE_SECURITY_DATABASE1, X509Data, X509DataSize)) {\r | |
1594 | IsFound = TRUE;\r | |
8c1babfd | 1595 | goto ON_EXIT;\r |
1596 | }\r | |
ecc722ad | 1597 | \r |
20333c6d QL |
1598 | //\r |
1599 | // Check the hash of certificate.\r | |
1600 | //\r | |
1601 | if (IsCertHashFoundInDbx (X509Data, X509DataSize)) {\r | |
1602 | IsFound = TRUE;\r | |
ecc722ad | 1603 | goto ON_EXIT;\r |
1604 | }\r | |
1605 | \r | |
1606 | ON_EXIT:\r | |
ecc722ad | 1607 | if (X509Data != NULL) {\r |
1608 | FreePool (X509Data);\r | |
1609 | }\r | |
1610 | \r | |
20333c6d | 1611 | return IsFound;\r |
ecc722ad | 1612 | }\r |
1613 | \r | |
1614 | /**\r | |
1615 | Load PE/COFF image information into internal buffer and check its validity.\r | |
1616 | \r | |
1617 | @retval EFI_SUCCESS Successful\r | |
1618 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
1619 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
1620 | \r | |
1621 | **/\r | |
1622 | EFI_STATUS\r | |
1623 | LoadPeImage (\r | |
20333c6d QL |
1624 | VOID\r |
1625 | )\r | |
ecc722ad | 1626 | {\r |
1627 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
1628 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
1629 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
1630 | \r | |
1631 | NtHeader32 = NULL;\r | |
1632 | NtHeader64 = NULL;\r | |
1633 | //\r | |
1634 | // Read the Dos header\r | |
1635 | //\r | |
1636 | DosHdr = (EFI_IMAGE_DOS_HEADER*)(mImageBase);\r | |
1637 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE)\r | |
1638 | {\r | |
1639 | //\r | |
20333c6d | 1640 | // DOS image header is present,\r |
ecc722ad | 1641 | // So read the PE header after the DOS image header\r |
1642 | //\r | |
1643 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
1644 | }\r | |
1645 | else\r | |
1646 | {\r | |
1647 | mPeCoffHeaderOffset = 0;\r | |
1648 | }\r | |
1649 | \r | |
1650 | //\r | |
1651 | // Read PE header and check the signature validity and machine compatibility\r | |
1652 | //\r | |
1653 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32*) (mImageBase + mPeCoffHeaderOffset);\r | |
1654 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE)\r | |
1655 | {\r | |
1656 | return EFI_UNSUPPORTED;\r | |
1657 | }\r | |
1658 | \r | |
1659 | mNtHeader.Pe32 = NtHeader32;\r | |
1660 | \r | |
1661 | //\r | |
1662 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1663 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1664 | //\r | |
20333c6d | 1665 | if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32)\r |
a16170a1 AB |
1666 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)\r |
1667 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)) {\r | |
ecc722ad | 1668 | //\r |
a16170a1 | 1669 | // 32-bits Architecture\r |
ecc722ad | 1670 | //\r |
1671 | mImageType = ImageType_IA32;\r | |
1672 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1673 | }\r | |
1674 | else if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
a16170a1 AB |
1675 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)\r |
1676 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_AARCH64)) {\r | |
ecc722ad | 1677 | //\r |
1678 | // 64-bits Architecture\r | |
1679 | //\r | |
1680 | mImageType = ImageType_X64;\r | |
1681 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *) (mImageBase + mPeCoffHeaderOffset);\r | |
1682 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1683 | } else {\r | |
1684 | return EFI_UNSUPPORTED;\r | |
1685 | }\r | |
1686 | \r | |
1687 | return EFI_SUCCESS;\r | |
1688 | }\r | |
1689 | \r | |
1690 | /**\r | |
1691 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1692 | PE/COFF Specification 8.0 Appendix A\r | |
1693 | \r | |
1694 | @param[in] HashAlg Hash algorithm type.\r | |
20333c6d | 1695 | \r |
ecc722ad | 1696 | @retval TRUE Successfully hash image.\r |
1697 | @retval FALSE Fail in hash image.\r | |
1698 | \r | |
1699 | **/\r | |
20333c6d | 1700 | BOOLEAN\r |
ecc722ad | 1701 | HashPeImage (\r |
1702 | IN UINT32 HashAlg\r | |
1703 | )\r | |
1704 | {\r | |
1705 | BOOLEAN Status;\r | |
1706 | UINT16 Magic;\r | |
1707 | EFI_IMAGE_SECTION_HEADER *Section;\r | |
1708 | VOID *HashCtx;\r | |
1709 | UINTN CtxSize;\r | |
1710 | UINT8 *HashBase;\r | |
1711 | UINTN HashSize;\r | |
1712 | UINTN SumOfBytesHashed;\r | |
1713 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1714 | UINTN Index;\r | |
1715 | UINTN Pos;\r | |
1716 | \r | |
1717 | HashCtx = NULL;\r | |
1718 | SectionHeader = NULL;\r | |
1719 | Status = FALSE;\r | |
1720 | \r | |
1721 | if ((HashAlg != HASHALG_SHA1) && (HashAlg != HASHALG_SHA256)) {\r | |
1722 | return FALSE;\r | |
1723 | }\r | |
20333c6d | 1724 | \r |
ecc722ad | 1725 | //\r |
1726 | // Initialize context of hash.\r | |
1727 | //\r | |
1728 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1729 | \r | |
1730 | if (HashAlg == HASHALG_SHA1) {\r | |
1731 | mImageDigestSize = SHA1_DIGEST_SIZE;\r | |
20333c6d | 1732 | mCertType = gEfiCertSha1Guid;\r |
ecc722ad | 1733 | } else if (HashAlg == HASHALG_SHA256) {\r |
1734 | mImageDigestSize = SHA256_DIGEST_SIZE;\r | |
1735 | mCertType = gEfiCertSha256Guid;\r | |
1736 | }\r | |
1737 | \r | |
1738 | CtxSize = mHash[HashAlg].GetContextSize();\r | |
20333c6d | 1739 | \r |
ecc722ad | 1740 | HashCtx = AllocatePool (CtxSize);\r |
1741 | ASSERT (HashCtx != NULL);\r | |
1742 | \r | |
1743 | // 1. Load the image header into memory.\r | |
1744 | \r | |
1745 | // 2. Initialize a SHA hash context.\r | |
1746 | Status = mHash[HashAlg].HashInit(HashCtx);\r | |
1747 | if (!Status) {\r | |
1748 | goto Done;\r | |
1749 | }\r | |
1750 | //\r | |
1751 | // Measuring PE/COFF Image Header;\r | |
1752 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1753 | //\r | |
de2447dd | 1754 | if (mNtHeader.Pe32->FileHeader.Machine == IMAGE_FILE_MACHINE_IA64 && mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
1755 | //\r | |
20333c6d QL |
1756 | // NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value\r |
1757 | // in the PE/COFF Header. If the MachineType is Itanium(IA64) and the\r | |
de2447dd | 1758 | // Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC\r |
1759 | // then override the magic value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC\r | |
1760 | //\r | |
1761 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
1762 | } else {\r | |
1763 | //\r | |
1764 | // Get the magic value from the PE/COFF Optional Header\r | |
1765 | //\r | |
1766 | Magic = mNtHeader.Pe32->OptionalHeader.Magic;\r | |
1767 | }\r | |
20333c6d | 1768 | \r |
ecc722ad | 1769 | //\r |
1770 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1771 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1772 | //\r | |
1773 | HashBase = mImageBase;\r | |
1774 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1775 | //\r | |
1776 | // Use PE32 offset.\r | |
1777 | //\r | |
1778 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.CheckSum) - HashBase);\r | |
1779 | } else {\r | |
1780 | //\r | |
1781 | // Use PE32+ offset.\r | |
1782 | //\r | |
1783 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - HashBase);\r | |
1784 | }\r | |
1785 | \r | |
1786 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1787 | if (!Status) {\r | |
1788 | goto Done;\r | |
1789 | }\r | |
1790 | //\r | |
1791 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1792 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1793 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1794 | //\r | |
1795 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1796 | //\r | |
1797 | // Use PE32 offset.\r | |
1798 | //\r | |
1799 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r | |
1800 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - HashBase);\r | |
1801 | } else {\r | |
1802 | //\r | |
1803 | // Use PE32+ offset.\r | |
20333c6d | 1804 | //\r |
ecc722ad | 1805 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r |
1806 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - HashBase);\r | |
1807 | }\r | |
1808 | \r | |
1809 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1810 | if (!Status) {\r | |
1811 | goto Done;\r | |
1812 | }\r | |
1813 | //\r | |
1814 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
1815 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
1816 | //\r | |
1817 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1818 | //\r | |
1819 | // Use PE32 offset\r | |
1820 | //\r | |
1821 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
1822 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - mImageBase);\r | |
1823 | } else {\r | |
1824 | //\r | |
1825 | // Use PE32+ offset.\r | |
1826 | //\r | |
1827 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
1828 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - mImageBase);\r | |
1829 | }\r | |
1830 | \r | |
1831 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1832 | if (!Status) {\r | |
1833 | goto Done;\r | |
1834 | }\r | |
1835 | //\r | |
1836 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
1837 | //\r | |
1838 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1839 | //\r | |
1840 | // Use PE32 offset.\r | |
1841 | //\r | |
1842 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
1843 | } else {\r | |
1844 | //\r | |
1845 | // Use PE32+ offset\r | |
1846 | //\r | |
1847 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
1848 | }\r | |
1849 | \r | |
1850 | //\r | |
1851 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
1852 | // structures in the image. The 'NumberOfSections' field of the image\r | |
1853 | // header indicates how big the table should be. Do not include any\r | |
1854 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
1855 | //\r | |
1856 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *) AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r | |
1857 | ASSERT (SectionHeader != NULL);\r | |
1858 | //\r | |
1859 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
1860 | // a key, arrange the elements in the table in ascending order. In other\r | |
1861 | // words, sort the section headers according to the disk-file offset of\r | |
1862 | // the section.\r | |
1863 | //\r | |
1864 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1865 | mImageBase +\r | |
1866 | mPeCoffHeaderOffset +\r | |
1867 | sizeof (UINT32) +\r | |
1868 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
1869 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1870 | );\r | |
1871 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1872 | Pos = Index;\r | |
1873 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
1874 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1875 | Pos--;\r | |
1876 | }\r | |
1877 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1878 | Section += 1;\r | |
1879 | }\r | |
1880 | \r | |
1881 | //\r | |
1882 | // 13. Walk through the sorted table, bring the corresponding section\r | |
1883 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
1884 | // field in the section header to determine the amount of data to hash).\r | |
1885 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
1886 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
1887 | //\r | |
1888 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1889 | Section = &SectionHeader[Index];\r | |
1890 | if (Section->SizeOfRawData == 0) {\r | |
1891 | continue;\r | |
1892 | }\r | |
1893 | HashBase = mImageBase + Section->PointerToRawData;\r | |
1894 | HashSize = (UINTN) Section->SizeOfRawData;\r | |
1895 | \r | |
1896 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1897 | if (!Status) {\r | |
1898 | goto Done;\r | |
1899 | }\r | |
1900 | \r | |
1901 | SumOfBytesHashed += HashSize;\r | |
1902 | }\r | |
1903 | \r | |
1904 | //\r | |
1905 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
1906 | // data in the file that needs to be added to the hash. This data begins\r | |
1907 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
1908 | // FileSize - (CertDirectory->Size)\r | |
1909 | //\r | |
1910 | if (mImageSize > SumOfBytesHashed) {\r | |
1911 | HashBase = mImageBase + SumOfBytesHashed;\r | |
1912 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1913 | //\r | |
1914 | // Use PE32 offset.\r | |
1915 | //\r | |
1916 | HashSize = (UINTN)(\r | |
1917 | mImageSize -\r | |
1918 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
1919 | SumOfBytesHashed);\r | |
1920 | } else {\r | |
1921 | //\r | |
1922 | // Use PE32+ offset.\r | |
1923 | //\r | |
1924 | HashSize = (UINTN)(\r | |
1925 | mImageSize -\r | |
1926 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
20333c6d | 1927 | SumOfBytesHashed);\r |
ecc722ad | 1928 | }\r |
1929 | \r | |
1930 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1931 | if (!Status) {\r | |
1932 | goto Done;\r | |
1933 | }\r | |
1934 | }\r | |
1935 | \r | |
1936 | Status = mHash[HashAlg].HashFinal(HashCtx, mImageDigest);\r | |
1937 | \r | |
1938 | Done:\r | |
1939 | if (HashCtx != NULL) {\r | |
1940 | FreePool (HashCtx);\r | |
1941 | }\r | |
1942 | if (SectionHeader != NULL) {\r | |
1943 | FreePool (SectionHeader);\r | |
1944 | }\r | |
1945 | return Status;\r | |
1946 | }\r | |
1947 | \r | |
1948 | /**\r | |
69f8bb52 | 1949 | Recognize the Hash algorithm in PE/COFF Authenticode and calculate hash of\r |
20333c6d | 1950 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification\r |
ecc722ad | 1951 | 8.0 Appendix A\r |
1952 | \r | |
1953 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
1954 | @retval EFI_SUCCESS Hash successfully.\r | |
1955 | \r | |
1956 | **/\r | |
20333c6d | 1957 | EFI_STATUS\r |
ecc722ad | 1958 | HashPeImageByType (\r |
1959 | VOID\r | |
1960 | )\r | |
1961 | {\r | |
1962 | UINT8 Index;\r | |
1963 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
1964 | \r | |
1965 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *) (mImageBase + mSecDataDir->Offset);\r | |
1966 | \r | |
20333c6d | 1967 | for (Index = 0; Index < HASHALG_MAX; Index++) {\r |
ecc722ad | 1968 | //\r |
1969 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
20333c6d | 1970 | // According to PKCS#7 Definition:\r |
ecc722ad | 1971 | // SignedData ::= SEQUENCE {\r |
1972 | // version Version,\r | |
1973 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
1974 | // contentInfo ContentInfo,\r | |
1975 | // .... }\r | |
1976 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
1977 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
1978 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
1979 | //\r | |
1980 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r | |
1981 | //\r | |
1982 | // Only support two bytes of Long Form of Length Encoding.\r | |
1983 | //\r | |
1984 | continue;\r | |
1985 | }\r | |
1986 | \r | |
20333c6d | 1987 | //\r |
ecc722ad | 1988 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r |
1989 | break;\r | |
1990 | }\r | |
1991 | }\r | |
1992 | \r | |
1993 | if (Index == HASHALG_MAX) {\r | |
1994 | return EFI_UNSUPPORTED;\r | |
1995 | }\r | |
1996 | \r | |
1997 | //\r | |
1998 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
1999 | //\r | |
2000 | if (!HashPeImage(Index)) {\r | |
2001 | return EFI_UNSUPPORTED;\r | |
2002 | }\r | |
2003 | \r | |
2004 | return EFI_SUCCESS;\r | |
2005 | }\r | |
2006 | \r | |
2007 | /**\r | |
20333c6d | 2008 | Enroll a new executable's signature into Signature Database.\r |
ecc722ad | 2009 | \r |
2010 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
2011 | @param[in] VariableName Variable name of signature database, must be\r |
2012 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2013 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
ecc722ad | 2014 | \r |
2015 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2016 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2017 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2018 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2019 | \r | |
2020 | **/\r | |
2021 | EFI_STATUS\r | |
2022 | EnrollImageSignatureToSigDB (\r | |
2023 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2024 | IN CHAR16 *VariableName\r | |
2025 | )\r | |
2026 | {\r | |
2027 | EFI_STATUS Status;\r | |
2028 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
2029 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
2030 | VOID *Data;\r | |
2031 | UINTN DataSize;\r | |
2032 | UINTN SigDBSize;\r | |
2033 | UINT32 Attr;\r | |
2034 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
2035 | \r | |
2036 | Data = NULL;\r | |
2037 | GuidCertData = NULL;\r | |
ecc722ad | 2038 | \r |
20333c6d QL |
2039 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r |
2040 | return EFI_UNSUPPORTED;\r | |
2041 | }\r | |
2042 | \r | |
ecc722ad | 2043 | //\r |
2044 | // Form the SigDB certificate list.\r | |
2045 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
2046 | //\r | |
2047 | // We need to parse executable's signature data from specified signed executable file.\r | |
2048 | // In current implementation, we simply trust the pass-in signed executable file.\r | |
2049 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
2050 | //\r | |
2051 | \r | |
2052 | //\r | |
2053 | // Read the whole file content\r | |
2054 | //\r | |
2055 | Status = ReadFileContent(\r | |
2056 | Private->FileContext->FHandle,\r | |
20333c6d QL |
2057 | (VOID **) &mImageBase,\r |
2058 | &mImageSize,\r | |
ecc722ad | 2059 | 0\r |
2060 | );\r | |
2061 | if (EFI_ERROR (Status)) {\r | |
2062 | goto ON_EXIT;\r | |
20333c6d | 2063 | }\r |
ba57d4fd | 2064 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 2065 | \r |
2066 | Status = LoadPeImage ();\r | |
2067 | if (EFI_ERROR (Status)) {\r | |
2068 | goto ON_EXIT;\r | |
2069 | }\r | |
2070 | \r | |
2071 | if (mSecDataDir->SizeOfCert == 0) {\r | |
2072 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2073 | Status = EFI_SECURITY_VIOLATION;\r | |
2074 | goto ON_EXIT;\r | |
2075 | }\r | |
2076 | } else {\r | |
20333c6d | 2077 | \r |
ecc722ad | 2078 | //\r |
2079 | // Read the certificate data\r | |
2080 | //\r | |
2081 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
2082 | \r | |
2083 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
2084 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID*) mCertificate;\r | |
2085 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof(EFI_GUID)) != 0) {\r | |
2086 | Status = EFI_ABORTED;\r | |
2087 | goto ON_EXIT;\r | |
2088 | }\r | |
2089 | \r | |
2090 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2091 | Status = EFI_ABORTED;\r | |
2092 | goto ON_EXIT;;\r | |
2093 | }\r | |
20333c6d | 2094 | \r |
ecc722ad | 2095 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r |
2096 | \r | |
2097 | Status = HashPeImageByType ();\r | |
2098 | if (EFI_ERROR (Status)) {\r | |
2099 | goto ON_EXIT;;\r | |
2100 | }\r | |
2101 | } else {\r | |
2102 | Status = EFI_ABORTED;\r | |
2103 | goto ON_EXIT;\r | |
2104 | }\r | |
2105 | }\r | |
2106 | \r | |
2107 | //\r | |
2108 | // Create a new SigDB entry.\r | |
2109 | //\r | |
20333c6d | 2110 | SigDBSize = sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 2111 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
2112 | + (UINT32) mImageDigestSize;\r | |
2113 | \r | |
2114 | Data = (UINT8*) AllocateZeroPool (SigDBSize);\r | |
2115 | if (Data == NULL) {\r | |
2116 | Status = EFI_OUT_OF_RESOURCES;\r | |
2117 | goto ON_EXIT;\r | |
2118 | }\r | |
20333c6d | 2119 | \r |
ecc722ad | 2120 | //\r |
2121 | // Adjust the Certificate Database parameters.\r | |
20333c6d | 2122 | //\r |
ecc722ad | 2123 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r |
2124 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
2125 | SigDBCert->SignatureHeaderSize = 0;\r | |
2126 | SigDBCert->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + (UINT32) mImageDigestSize;\r | |
2127 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r | |
2128 | \r | |
2129 | SigDBCertData = (EFI_SIGNATURE_DATA*)((UINT8*)SigDBCert + sizeof(EFI_SIGNATURE_LIST));\r | |
2130 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
2131 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
2132 | \r | |
20333c6d | 2133 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r |
8c1babfd | 2134 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
2135 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
2136 | if (EFI_ERROR (Status)) {\r | |
2137 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2138 | goto ON_EXIT;\r | |
2139 | }\r | |
20333c6d | 2140 | \r |
ecc722ad | 2141 | //\r |
20333c6d QL |
2142 | // Check if SigDB variable has been already existed.\r |
2143 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 2144 | // new signature data to original variable\r |
20333c6d | 2145 | //\r |
ecc722ad | 2146 | DataSize = 0;\r |
2147 | Status = gRT->GetVariable(\r | |
20333c6d QL |
2148 | VariableName,\r |
2149 | &gEfiImageSecurityDatabaseGuid,\r | |
2150 | NULL,\r | |
2151 | &DataSize,\r | |
ecc722ad | 2152 | NULL\r |
2153 | );\r | |
2154 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2155 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2156 | } else if (Status != EFI_NOT_FOUND) {\r | |
2157 | goto ON_EXIT;\r | |
20333c6d | 2158 | }\r |
ecc722ad | 2159 | \r |
2160 | //\r | |
2161 | // Enroll the variable.\r | |
2162 | //\r | |
2163 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2164 | VariableName,\r |
2165 | &gEfiImageSecurityDatabaseGuid,\r | |
2166 | Attr,\r | |
2167 | SigDBSize,\r | |
ecc722ad | 2168 | Data\r |
2169 | );\r | |
2170 | if (EFI_ERROR (Status)) {\r | |
2171 | goto ON_EXIT;\r | |
2172 | }\r | |
2173 | \r | |
2174 | ON_EXIT:\r | |
2175 | \r | |
2176 | CloseFile (Private->FileContext->FHandle);\r | |
2177 | Private->FileContext->FHandle = NULL;\r | |
762d8ddb DB |
2178 | \r |
2179 | if (Private->FileContext->FileName != NULL){\r | |
2180 | FreePool(Private->FileContext->FileName);\r | |
2181 | Private->FileContext->FileName = NULL;\r | |
2182 | }\r | |
ecc722ad | 2183 | \r |
2184 | if (Private->SignatureGUID != NULL) {\r | |
2185 | FreePool (Private->SignatureGUID);\r | |
2186 | Private->SignatureGUID = NULL;\r | |
2187 | }\r | |
2188 | \r | |
2189 | if (Data != NULL) {\r | |
2190 | FreePool (Data);\r | |
2191 | }\r | |
2192 | \r | |
2193 | if (mImageBase != NULL) {\r | |
2194 | FreePool (mImageBase);\r | |
2195 | mImageBase = NULL;\r | |
2196 | }\r | |
2197 | \r | |
2198 | return Status;\r | |
2199 | }\r | |
2200 | \r | |
2201 | /**\r | |
20333c6d | 2202 | Enroll signature into DB/DBX/DBT without KEK's authentication.\r |
ecc722ad | 2203 | The SignatureOwner GUID will be Private->SignatureGUID.\r |
20333c6d | 2204 | \r |
ecc722ad | 2205 | @param[in] PrivateData The module's private data.\r |
20333c6d | 2206 | @param[in] VariableName Variable name of signature database, must be\r |
ecc722ad | 2207 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r |
20333c6d | 2208 | \r |
ecc722ad | 2209 | @retval EFI_SUCCESS New signature enrolled successfully.\r |
2210 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2211 | @retval others Fail to enroll signature data.\r | |
20333c6d | 2212 | \r |
ecc722ad | 2213 | **/\r |
2214 | EFI_STATUS\r | |
2215 | EnrollSignatureDatabase (\r | |
2216 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2217 | IN CHAR16 *VariableName\r | |
20333c6d | 2218 | )\r |
ecc722ad | 2219 | {\r |
2220 | UINT16* FilePostFix;\r | |
f71ed839 | 2221 | EFI_STATUS Status;\r |
fd64f84f | 2222 | UINTN NameLength;\r |
ecc722ad | 2223 | \r |
2224 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
2225 | return EFI_INVALID_PARAMETER;\r | |
2226 | }\r | |
2227 | \r | |
20333c6d | 2228 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 2229 | if (EFI_ERROR (Status)) {\r |
2230 | return Status;\r | |
2231 | }\r | |
20333c6d | 2232 | \r |
ecc722ad | 2233 | //\r |
20333c6d | 2234 | // Parse the file's postfix.\r |
ecc722ad | 2235 | //\r |
fd64f84f GCPL |
2236 | NameLength = StrLen (Private->FileContext->FileName);\r |
2237 | if (NameLength <= 4) {\r | |
2238 | return EFI_INVALID_PARAMETER;\r | |
2239 | }\r | |
2240 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
20333c6d | 2241 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
ecc722ad | 2242 | //\r |
e4d7370d | 2243 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 2244 | //\r |
2245 | return EnrollX509toSigDB (Private, VariableName);\r | |
2246 | }\r | |
2247 | \r | |
2248 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
2249 | }\r | |
2250 | \r | |
2251 | /**\r | |
20333c6d | 2252 | List all signatures in specified signature database (e.g. KEK/DB/DBX/DBT)\r |
ecc722ad | 2253 | by GUID in the page for user to select and delete as needed.\r |
2254 | \r | |
2255 | @param[in] PrivateData Module's private data.\r | |
2256 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2257 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2258 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2259 | @param[in] FormId Form ID of current page.\r | |
2260 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2261 | \r | |
2262 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2263 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
20333c6d | 2264 | \r |
ecc722ad | 2265 | **/\r |
2266 | EFI_STATUS\r | |
2267 | UpdateDeletePage (\r | |
2268 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2269 | IN CHAR16 *VariableName,\r | |
2270 | IN EFI_GUID *VendorGuid,\r | |
2271 | IN UINT16 LabelNumber,\r | |
2272 | IN EFI_FORM_ID FormId,\r | |
2273 | IN EFI_QUESTION_ID QuestionIdBase\r | |
2274 | )\r | |
2275 | {\r | |
2276 | EFI_STATUS Status;\r | |
2277 | UINT32 Index;\r | |
2278 | UINTN CertCount;\r | |
2279 | UINTN GuidIndex;\r | |
2280 | VOID *StartOpCodeHandle;\r | |
2281 | VOID *EndOpCodeHandle;\r | |
2282 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
20333c6d | 2283 | EFI_IFR_GUID_LABEL *EndLabel;\r |
ecc722ad | 2284 | UINTN DataSize;\r |
2285 | UINT8 *Data;\r | |
2286 | EFI_SIGNATURE_LIST *CertList;\r | |
2287 | EFI_SIGNATURE_DATA *Cert;\r | |
2288 | UINT32 ItemDataSize;\r | |
2289 | CHAR16 *GuidStr;\r | |
2290 | EFI_STRING_ID GuidID;\r | |
2291 | EFI_STRING_ID Help;\r | |
2292 | \r | |
2293 | Data = NULL;\r | |
2294 | CertList = NULL;\r | |
2295 | Cert = NULL;\r | |
2296 | GuidStr = NULL;\r | |
2297 | StartOpCodeHandle = NULL;\r | |
2298 | EndOpCodeHandle = NULL;\r | |
20333c6d | 2299 | \r |
ecc722ad | 2300 | //\r |
2301 | // Initialize the container for dynamic opcodes.\r | |
2302 | //\r | |
2303 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2304 | if (StartOpCodeHandle == NULL) {\r | |
2305 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2306 | goto ON_EXIT;\r |
ecc722ad | 2307 | }\r |
2308 | \r | |
2309 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2310 | if (EndOpCodeHandle == NULL) {\r | |
2311 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2312 | goto ON_EXIT;\r |
ecc722ad | 2313 | }\r |
2314 | \r | |
2315 | //\r | |
2316 | // Create Hii Extend Label OpCode.\r | |
2317 | //\r | |
2318 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2319 | StartOpCodeHandle,\r | |
2320 | &gEfiIfrTianoGuid,\r | |
2321 | NULL,\r | |
2322 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2323 | );\r | |
2324 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2325 | StartLabel->Number = LabelNumber;\r | |
2326 | \r | |
2327 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2328 | EndOpCodeHandle,\r | |
2329 | &gEfiIfrTianoGuid,\r | |
2330 | NULL,\r | |
2331 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2332 | );\r | |
2333 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2334 | EndLabel->Number = LABEL_END;\r | |
2335 | \r | |
2336 | //\r | |
2337 | // Read Variable.\r | |
2338 | //\r | |
2339 | DataSize = 0;\r | |
20333c6d | 2340 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r |
ecc722ad | 2341 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r |
2342 | goto ON_EXIT;\r | |
2343 | }\r | |
2344 | \r | |
2345 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2346 | if (Data == NULL) {\r | |
2347 | Status = EFI_OUT_OF_RESOURCES;\r | |
2348 | goto ON_EXIT;\r | |
2349 | }\r | |
2350 | \r | |
2351 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
2352 | if (EFI_ERROR (Status)) {\r | |
2353 | goto ON_EXIT;\r | |
2354 | }\r | |
2355 | \r | |
2356 | GuidStr = AllocateZeroPool (100);\r | |
2357 | if (GuidStr == NULL) {\r | |
2358 | Status = EFI_OUT_OF_RESOURCES;\r | |
2359 | goto ON_EXIT;\r | |
2360 | }\r | |
2361 | \r | |
2362 | //\r | |
2363 | // Enumerate all KEK pub data.\r | |
2364 | //\r | |
2365 | ItemDataSize = (UINT32) DataSize;\r | |
2366 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2367 | GuidIndex = 0;\r | |
2368 | \r | |
2369 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2370 | \r | |
2371 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
2372 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
2373 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2374 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
2375 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
2376 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
2377 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
2378 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
20333c6d QL |
2379 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid)) {\r |
2380 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA256_GUID);\r | |
2381 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
2382 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA384_GUID);\r | |
2383 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
2384 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA512_GUID);\r | |
ecc722ad | 2385 | } else {\r |
2386 | //\r | |
2387 | // The signature type is not supported in current implementation.\r | |
2388 | //\r | |
b7d269ea | 2389 | ItemDataSize -= CertList->SignatureListSize;\r |
2390 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
ecc722ad | 2391 | continue;\r |
2392 | }\r | |
2393 | \r | |
2394 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2395 | for (Index = 0; Index < CertCount; Index++) {\r | |
20333c6d QL |
2396 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList\r |
2397 | + sizeof (EFI_SIGNATURE_LIST)\r | |
2398 | + CertList->SignatureHeaderSize\r | |
ecc722ad | 2399 | + Index * CertList->SignatureSize);\r |
2400 | //\r | |
20333c6d | 2401 | // Display GUID and help\r |
ecc722ad | 2402 | //\r |
2403 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
2404 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r | |
2405 | HiiCreateCheckBoxOpCode (\r | |
2406 | StartOpCodeHandle,\r | |
2407 | (EFI_QUESTION_ID) (QuestionIdBase + GuidIndex++),\r | |
20333c6d QL |
2408 | 0,\r |
2409 | 0,\r | |
2410 | GuidID,\r | |
ecc722ad | 2411 | Help,\r |
2412 | EFI_IFR_FLAG_CALLBACK,\r | |
2413 | 0,\r | |
2414 | NULL\r | |
20333c6d | 2415 | );\r |
ecc722ad | 2416 | }\r |
2417 | \r | |
2418 | ItemDataSize -= CertList->SignatureListSize;\r | |
2419 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2420 | }\r | |
2421 | \r | |
2422 | ON_EXIT:\r | |
2423 | HiiUpdateForm (\r | |
2424 | PrivateData->HiiHandle,\r | |
2425 | &gSecureBootConfigFormSetGuid,\r | |
2426 | FormId,\r | |
2427 | StartOpCodeHandle,\r | |
2428 | EndOpCodeHandle\r | |
2429 | );\r | |
2430 | \r | |
2431 | if (StartOpCodeHandle != NULL) {\r | |
2432 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2433 | }\r | |
2434 | \r | |
2435 | if (EndOpCodeHandle != NULL) {\r | |
2436 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2437 | }\r | |
20333c6d | 2438 | \r |
ecc722ad | 2439 | if (Data != NULL) {\r |
2440 | FreePool (Data);\r | |
2441 | }\r | |
2442 | \r | |
2443 | if (GuidStr != NULL) {\r | |
2444 | FreePool (GuidStr);\r | |
2445 | }\r | |
2446 | \r | |
2447 | return EFI_SUCCESS;\r | |
2448 | }\r | |
2449 | \r | |
beda2356 | 2450 | /**\r |
20333c6d | 2451 | Delete a KEK entry from KEK database.\r |
beda2356 | 2452 | \r |
ecc722ad | 2453 | @param[in] PrivateData Module's private data.\r |
2454 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 2455 | \r |
ecc722ad | 2456 | @retval EFI_SUCCESS Delete kek item successfully.\r |
2457 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 2458 | \r |
ecc722ad | 2459 | **/\r |
2460 | EFI_STATUS\r | |
2461 | DeleteKeyExchangeKey (\r | |
2462 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2463 | IN EFI_QUESTION_ID QuestionId\r | |
2464 | )\r | |
2465 | {\r | |
2466 | EFI_STATUS Status;\r | |
2467 | UINTN DataSize;\r | |
2468 | UINT8 *Data;\r | |
2469 | UINT8 *OldData;\r | |
2470 | UINT32 Attr;\r | |
2471 | UINT32 Index;\r | |
2472 | EFI_SIGNATURE_LIST *CertList;\r | |
2473 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2474 | EFI_SIGNATURE_DATA *Cert;\r | |
2475 | UINTN CertCount;\r | |
2476 | UINT32 Offset;\r | |
2477 | BOOLEAN IsKEKItemFound;\r | |
2478 | UINT32 KekDataSize;\r | |
2479 | UINTN DeleteKekIndex;\r | |
2480 | UINTN GuidIndex;\r | |
2481 | \r | |
2482 | Data = NULL;\r | |
2483 | OldData = NULL;\r | |
2484 | CertList = NULL;\r | |
2485 | Cert = NULL;\r | |
20333c6d | 2486 | Attr = 0;\r |
ecc722ad | 2487 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r |
f71ed839 | 2488 | \r |
2489 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
2490 | if (EFI_ERROR (Status)) {\r | |
2491 | return Status;\r | |
2492 | }\r | |
20333c6d | 2493 | \r |
ecc722ad | 2494 | //\r |
2495 | // Get original KEK variable.\r | |
20333c6d QL |
2496 | //\r |
2497 | DataSize = 0;\r | |
ecc722ad | 2498 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r |
2499 | if (EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2500 | goto ON_EXIT;\r | |
2501 | }\r | |
2502 | \r | |
2503 | OldData = (UINT8*)AllocateZeroPool(DataSize);\r | |
2504 | if (OldData == NULL) {\r | |
20333c6d | 2505 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2506 | goto ON_EXIT;\r |
2507 | }\r | |
2508 | \r | |
2509 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
2510 | if (EFI_ERROR(Status)) {\r | |
2511 | goto ON_EXIT;\r | |
2512 | }\r | |
2513 | \r | |
2514 | //\r | |
20333c6d | 2515 | // Allocate space for new variable.\r |
ecc722ad | 2516 | //\r |
2517 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2518 | if (Data == NULL) {\r | |
2519 | Status = EFI_OUT_OF_RESOURCES;\r | |
2520 | goto ON_EXIT;\r | |
2521 | }\r | |
2522 | \r | |
2523 | //\r | |
2524 | // Enumerate all KEK pub data and erasing the target item.\r | |
2525 | //\r | |
2526 | IsKEKItemFound = FALSE;\r | |
2527 | KekDataSize = (UINT32) DataSize;\r | |
2528 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2529 | Offset = 0;\r | |
2530 | GuidIndex = 0;\r | |
2531 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2532 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2533 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2534 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2535 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
2536 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2537 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2538 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2539 | for (Index = 0; Index < CertCount; Index++) {\r | |
2540 | if (GuidIndex == DeleteKekIndex ) {\r | |
2541 | //\r | |
2542 | // Find it! Skip it!\r | |
2543 | //\r | |
2544 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2545 | IsKEKItemFound = TRUE;\r |
ecc722ad | 2546 | } else {\r |
2547 | //\r | |
2548 | // This item doesn't match. Copy it to the Data buffer.\r | |
2549 | //\r | |
2550 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
2551 | Offset += CertList->SignatureSize;\r | |
2552 | }\r | |
2553 | GuidIndex++;\r | |
2554 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8*) Cert + CertList->SignatureSize);\r | |
2555 | }\r | |
2556 | } else {\r | |
2557 | //\r | |
2558 | // This List doesn't match. Copy it to the Data buffer.\r | |
2559 | //\r | |
2560 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
2561 | Offset += CertList->SignatureListSize;\r | |
2562 | }\r | |
20333c6d | 2563 | \r |
ecc722ad | 2564 | KekDataSize -= CertList->SignatureListSize;\r |
2565 | CertList = (EFI_SIGNATURE_LIST*) ((UINT8*) CertList + CertList->SignatureListSize);\r | |
2566 | }\r | |
2567 | \r | |
2568 | if (!IsKEKItemFound) {\r | |
2569 | //\r | |
2570 | // Doesn't find the Kek Item!\r | |
2571 | //\r | |
2572 | Status = EFI_NOT_FOUND;\r | |
2573 | goto ON_EXIT;\r | |
2574 | }\r | |
2575 | \r | |
2576 | //\r | |
2577 | // Delete the Signature header if there is no signature in the list.\r | |
2578 | //\r | |
2579 | KekDataSize = Offset;\r | |
2580 | CertList = (EFI_SIGNATURE_LIST*) Data;\r | |
2581 | Offset = 0;\r | |
2582 | ZeroMem (OldData, KekDataSize);\r | |
2583 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2584 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2585 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2586 | if (CertCount != 0) {\r |
2587 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
2588 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2589 | }\r |
ecc722ad | 2590 | KekDataSize -= CertList->SignatureListSize;\r |
2591 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2592 | }\r | |
2593 | \r | |
ecc722ad | 2594 | DataSize = Offset;\r |
8c1babfd | 2595 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2596 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2597 | if (EFI_ERROR (Status)) {\r | |
2598 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2599 | goto ON_EXIT;\r | |
2600 | }\r | |
2601 | }\r | |
ecc722ad | 2602 | \r |
2603 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2604 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2605 | &gEfiGlobalVariableGuid,\r | |
2606 | Attr,\r | |
2607 | DataSize,\r | |
ecc722ad | 2608 | OldData\r |
2609 | );\r | |
2610 | if (EFI_ERROR (Status)) {\r | |
2611 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
2612 | goto ON_EXIT;\r | |
2613 | }\r | |
20333c6d | 2614 | \r |
ecc722ad | 2615 | ON_EXIT:\r |
2616 | if (Data != NULL) {\r | |
2617 | FreePool(Data);\r | |
2618 | }\r | |
2619 | \r | |
2620 | if (OldData != NULL) {\r | |
2621 | FreePool(OldData);\r | |
2622 | }\r | |
2623 | \r | |
2624 | return UpdateDeletePage (\r | |
20333c6d | 2625 | PrivateData,\r |
ecc722ad | 2626 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2627 | &gEfiGlobalVariableGuid,\r | |
2628 | LABEL_KEK_DELETE,\r | |
2629 | FORMID_DELETE_KEK_FORM,\r | |
2630 | OPTION_DEL_KEK_QUESTION_ID\r | |
2631 | );\r | |
2632 | }\r | |
2633 | \r | |
2634 | /**\r | |
2635 | Delete a signature entry from siganture database.\r | |
beda2356 | 2636 | \r |
ecc722ad | 2637 | @param[in] PrivateData Module's private data.\r |
2638 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2639 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2640 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2641 | @param[in] FormId Form ID of current page.\r | |
2642 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2643 | @param[in] DeleteIndex Signature index to delete.\r | |
20333c6d | 2644 | \r |
ecc722ad | 2645 | @retval EFI_SUCCESS Delete siganture successfully.\r |
2646 | @retval EFI_NOT_FOUND Can't find the signature item,\r | |
2647 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 2648 | **/\r |
2649 | EFI_STATUS\r | |
ecc722ad | 2650 | DeleteSignature (\r |
2651 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2652 | IN CHAR16 *VariableName,\r | |
2653 | IN EFI_GUID *VendorGuid,\r | |
2654 | IN UINT16 LabelNumber,\r | |
2655 | IN EFI_FORM_ID FormId,\r | |
2656 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
2657 | IN UINTN DeleteIndex\r | |
beda2356 | 2658 | )\r |
2659 | {\r | |
ecc722ad | 2660 | EFI_STATUS Status;\r |
2661 | UINTN DataSize;\r | |
2662 | UINT8 *Data;\r | |
2663 | UINT8 *OldData;\r | |
2664 | UINT32 Attr;\r | |
2665 | UINT32 Index;\r | |
2666 | EFI_SIGNATURE_LIST *CertList;\r | |
2667 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2668 | EFI_SIGNATURE_DATA *Cert;\r | |
2669 | UINTN CertCount;\r | |
2670 | UINT32 Offset;\r | |
2671 | BOOLEAN IsItemFound;\r | |
2672 | UINT32 ItemDataSize;\r | |
2673 | UINTN GuidIndex;\r | |
bc0c99b3 | 2674 | \r |
ecc722ad | 2675 | Data = NULL;\r |
2676 | OldData = NULL;\r | |
2677 | CertList = NULL;\r | |
2678 | Cert = NULL;\r | |
20333c6d | 2679 | Attr = 0;\r |
ecc722ad | 2680 | \r |
f71ed839 | 2681 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
2682 | if (EFI_ERROR (Status)) {\r | |
2683 | return Status;\r | |
2684 | }\r | |
2685 | \r | |
ecc722ad | 2686 | //\r |
2687 | // Get original signature list data.\r | |
20333c6d | 2688 | //\r |
ecc722ad | 2689 | DataSize = 0;\r |
2690 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r | |
2691 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2692 | goto ON_EXIT;\r | |
2693 | }\r | |
2694 | \r | |
2695 | OldData = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2696 | if (OldData == NULL) {\r | |
20333c6d | 2697 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2698 | goto ON_EXIT;\r |
2699 | }\r | |
2700 | \r | |
2701 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
2702 | if (EFI_ERROR(Status)) {\r | |
2703 | goto ON_EXIT;\r | |
20333c6d | 2704 | }\r |
ecc722ad | 2705 | \r |
2706 | //\r | |
20333c6d | 2707 | // Allocate space for new variable.\r |
ecc722ad | 2708 | //\r |
2709 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2710 | if (Data == NULL) {\r | |
2711 | Status = EFI_OUT_OF_RESOURCES;\r | |
2712 | goto ON_EXIT;\r | |
2713 | }\r | |
2714 | \r | |
2715 | //\r | |
2716 | // Enumerate all signature data and erasing the target item.\r | |
2717 | //\r | |
2718 | IsItemFound = FALSE;\r | |
2719 | ItemDataSize = (UINT32) DataSize;\r | |
2720 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2721 | Offset = 0;\r | |
2722 | GuidIndex = 0;\r | |
2723 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2724 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2725 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
2726 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
20333c6d QL |
2727 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid) ||\r |
2728 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid) ||\r | |
2729 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid) ||\r | |
2730 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)\r | |
ecc722ad | 2731 | ) {\r |
2732 | //\r | |
2733 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
2734 | //\r | |
2735 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2736 | NewCertList = (EFI_SIGNATURE_LIST*) (Data + Offset);\r | |
2737 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2738 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2739 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2740 | for (Index = 0; Index < CertCount; Index++) {\r | |
2741 | if (GuidIndex == DeleteIndex) {\r | |
2742 | //\r | |
2743 | // Find it! Skip it!\r | |
2744 | //\r | |
2745 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2746 | IsItemFound = TRUE;\r |
ecc722ad | 2747 | } else {\r |
2748 | //\r | |
2749 | // This item doesn't match. Copy it to the Data buffer.\r | |
2750 | //\r | |
2751 | CopyMem (Data + Offset, (UINT8*)(Cert), CertList->SignatureSize);\r | |
2752 | Offset += CertList->SignatureSize;\r | |
2753 | }\r | |
2754 | GuidIndex++;\r | |
2755 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
2756 | }\r | |
2757 | } else {\r | |
2758 | //\r | |
2759 | // This List doesn't match. Just copy it to the Data buffer.\r | |
2760 | //\r | |
2761 | CopyMem (Data + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2762 | Offset += CertList->SignatureListSize;\r | |
2763 | }\r | |
20333c6d | 2764 | \r |
ecc722ad | 2765 | ItemDataSize -= CertList->SignatureListSize;\r |
2766 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2767 | }\r | |
2768 | \r | |
2769 | if (!IsItemFound) {\r | |
2770 | //\r | |
2771 | // Doesn't find the signature Item!\r | |
2772 | //\r | |
2773 | Status = EFI_NOT_FOUND;\r | |
2774 | goto ON_EXIT;\r | |
2775 | }\r | |
2776 | \r | |
2777 | //\r | |
2778 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
2779 | //\r | |
2780 | ItemDataSize = Offset;\r | |
2781 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2782 | Offset = 0;\r | |
2783 | ZeroMem (OldData, ItemDataSize);\r | |
2784 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2785 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2786 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2787 | if (CertCount != 0) {\r |
2788 | CopyMem (OldData + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2789 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2790 | }\r |
ecc722ad | 2791 | ItemDataSize -= CertList->SignatureListSize;\r |
2792 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2793 | }\r | |
2794 | \r | |
ecc722ad | 2795 | DataSize = Offset;\r |
8c1babfd | 2796 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2797 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2798 | if (EFI_ERROR (Status)) {\r | |
2799 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2800 | goto ON_EXIT;\r | |
2801 | }\r | |
2802 | }\r | |
ecc722ad | 2803 | \r |
2804 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2805 | VariableName,\r |
2806 | VendorGuid,\r | |
2807 | Attr,\r | |
2808 | DataSize,\r | |
ecc722ad | 2809 | OldData\r |
2810 | );\r | |
beda2356 | 2811 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2812 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
2813 | goto ON_EXIT;\r | |
beda2356 | 2814 | }\r |
20333c6d | 2815 | \r |
ecc722ad | 2816 | ON_EXIT:\r |
2817 | if (Data != NULL) {\r | |
2818 | FreePool(Data);\r | |
2819 | }\r | |
2820 | \r | |
2821 | if (OldData != NULL) {\r | |
2822 | FreePool(OldData);\r | |
2823 | }\r | |
2824 | \r | |
2825 | return UpdateDeletePage (\r | |
20333c6d | 2826 | PrivateData,\r |
ecc722ad | 2827 | VariableName,\r |
2828 | VendorGuid,\r | |
2829 | LabelNumber,\r | |
2830 | FormId,\r | |
2831 | QuestionIdBase\r | |
2832 | );\r | |
2833 | }\r | |
2834 | \r | |
96832eef CZ |
2835 | /**\r |
2836 | Perform secure boot mode transition from User Mode by setting AuditMode \r | |
2837 | or DeployedMode variable.\r | |
2838 | \r | |
2839 | @param[in] NewMode New secure boot mode.\r | |
2840 | \r | |
2841 | @retval EFI_SUCCESS Secure Boot mode transition is successful.\r | |
2842 | **/\r | |
2843 | EFI_STATUS\r | |
2844 | TransitionFromUserMode(\r | |
2845 | IN UINT8 NewMode\r | |
2846 | )\r | |
2847 | {\r | |
2848 | UINT8 Data;\r | |
2849 | EFI_STATUS Status;\r | |
2850 | \r | |
2851 | if (NewMode == SECURE_BOOT_MODE_AUDIT_MODE) {\r | |
2852 | Data = 1;\r | |
2853 | Status = gRT->SetVariable(\r | |
2854 | EFI_AUDIT_MODE_NAME,\r | |
2855 | &gEfiGlobalVariableGuid,\r | |
2856 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
2857 | sizeof(UINT8),\r | |
2858 | &Data\r | |
2859 | );\r | |
2860 | return Status;\r | |
2861 | } else if (NewMode == SECURE_BOOT_MODE_DEPLOYED_MODE) {\r | |
2862 | Data = 1;\r | |
2863 | Status = gRT->SetVariable(\r | |
2864 | EFI_DEPLOYED_MODE_NAME,\r | |
2865 | &gEfiGlobalVariableGuid,\r | |
2866 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
2867 | sizeof(UINT8),\r | |
2868 | &Data\r | |
2869 | );\r | |
2870 | return Status;\r | |
2871 | }\r | |
2872 | \r | |
2873 | //\r | |
2874 | // Other case do nothing here. May Goto enroll PK page.\r | |
2875 | //\r | |
2876 | return EFI_SUCCESS;\r | |
2877 | }\r | |
2878 | \r | |
2879 | /**\r | |
2880 | Perform secure boot mode transition from Setup Mode by setting AuditMode \r | |
2881 | variable.\r | |
2882 | \r | |
2883 | @param[in] NewMode New secure boot mode.\r | |
2884 | \r | |
2885 | @retval EFI_SUCCESS Secure Boot mode transition is successful.\r | |
2886 | **/\r | |
2887 | EFI_STATUS\r | |
2888 | TransitionFromSetupMode(\r | |
2889 | IN UINT8 NewMode\r | |
2890 | )\r | |
2891 | {\r | |
2892 | UINT8 Data;\r | |
2893 | EFI_STATUS Status;\r | |
2894 | \r | |
2895 | Status = EFI_INVALID_PARAMETER;\r | |
2896 | \r | |
2897 | if (NewMode == SECURE_BOOT_MODE_AUDIT_MODE) {\r | |
2898 | Data = 1;\r | |
2899 | Status = gRT->SetVariable(\r | |
2900 | EFI_AUDIT_MODE_NAME,\r | |
2901 | &gEfiGlobalVariableGuid,\r | |
2902 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
2903 | sizeof(UINT8),\r | |
2904 | &Data\r | |
2905 | );\r | |
2906 | return Status;\r | |
2907 | }\r | |
2908 | \r | |
2909 | //\r | |
2910 | // Other case do nothing here. May Goto enroll PK page.\r | |
2911 | //\r | |
2912 | return EFI_SUCCESS;\r | |
2913 | }\r | |
2914 | \r | |
2915 | /**\r | |
2916 | Perform secure boot mode transition from Audit Mode. Nothing is done here,\r | |
2917 | should goto enroll PK page.\r | |
2918 | \r | |
2919 | @param[in] NewMode New secure boot mode.\r | |
2920 | \r | |
2921 | @retval EFI_SUCCESS Secure Boot mode transition is successful.\r | |
2922 | **/\r | |
2923 | EFI_STATUS\r | |
2924 | TransitionFromAuditMode(\r | |
2925 | IN UINT8 NewMode\r | |
2926 | )\r | |
2927 | {\r | |
2928 | //\r | |
2929 | // Other case do nothing here. Should Goto enroll PK page.\r | |
2930 | //\r | |
2931 | return EFI_SUCCESS;\r | |
2932 | }\r | |
2933 | \r | |
2934 | /**\r | |
2935 | Perform secure boot mode transition from Deployed Mode by setting Deployed Mode\r | |
2936 | variable to 0.\r | |
2937 | \r | |
2938 | @param[in] NewMode New secure boot mode.\r | |
2939 | \r | |
2940 | @retval EFI_SUCCESS Secure Boot mode transition is successful.\r | |
2941 | **/\r | |
2942 | EFI_STATUS\r | |
2943 | TransitionFromDeployedMode(\r | |
2944 | IN UINT8 NewMode\r | |
2945 | )\r | |
2946 | {\r | |
2947 | UINT8 Data;\r | |
2948 | EFI_STATUS Status;\r | |
2949 | \r | |
2950 | //\r | |
2951 | // Platform specific logic. when physical presence, Allow to set DeployedMode =:0\r | |
2952 | // to switch back to UserMode\r | |
2953 | //\r | |
2954 | if (NewMode == SECURE_BOOT_MODE_USER_MODE) {\r | |
2955 | Data = 0;\r | |
2956 | Status = gRT->SetVariable(\r | |
2957 | EFI_DEPLOYED_MODE_NAME,\r | |
2958 | &gEfiGlobalVariableGuid,\r | |
2959 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
2960 | sizeof(UINT8),\r | |
2961 | &Data\r | |
2962 | );\r | |
2963 | DEBUG((EFI_D_INFO, "DeployedMode Status %x\n", Status));\r | |
2964 | return Status;\r | |
2965 | }\r | |
2966 | return EFI_SUCCESS;\r | |
2967 | }\r | |
2968 | \r | |
2969 | /**\r | |
2970 | Perform main secure boot mode transition.\r | |
2971 | \r | |
2972 | @param[in] CurMode New secure boot mode.\r | |
2973 | @param[in] NewMode New secure boot mode.\r | |
2974 | \r | |
2975 | @retval EFI_SUCCESS Secure Boot mode transition is successful.\r | |
2976 | **/\r | |
2977 | EFI_STATUS\r | |
2978 | SecureBootModeTransition(\r | |
2979 | IN UINT8 CurMode,\r | |
2980 | IN UINT8 NewMode\r | |
2981 | )\r | |
2982 | {\r | |
2983 | EFI_STATUS Status;\r | |
2984 | \r | |
2985 | //\r | |
2986 | // Set platform to be customized mode to ensure platform specific mode switch sucess\r | |
2987 | //\r | |
2988 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
2989 | if (EFI_ERROR (Status)) {\r | |
2990 | return Status;\r | |
2991 | }\r | |
2992 | \r | |
2993 | //\r | |
2994 | // SecureBootMode transition\r | |
2995 | //\r | |
2996 | switch (CurMode) {\r | |
2997 | case SECURE_BOOT_MODE_USER_MODE:\r | |
2998 | Status = TransitionFromUserMode(NewMode);\r | |
2999 | break;\r | |
3000 | \r | |
3001 | case SECURE_BOOT_MODE_SETUP_MODE:\r | |
3002 | Status = TransitionFromSetupMode(NewMode);\r | |
3003 | break;\r | |
3004 | \r | |
3005 | case SECURE_BOOT_MODE_AUDIT_MODE:\r | |
3006 | Status = TransitionFromAuditMode(NewMode);\r | |
3007 | break;\r | |
3008 | \r | |
3009 | case SECURE_BOOT_MODE_DEPLOYED_MODE:\r | |
3010 | Status = TransitionFromDeployedMode(NewMode);\r | |
3011 | break;\r | |
3012 | \r | |
3013 | default:\r | |
3014 | Status = EFI_INVALID_PARAMETER;\r | |
3015 | ASSERT(FALSE);\r | |
3016 | }\r | |
3017 | \r | |
3018 | return Status;\r | |
3019 | }\r | |
3020 | \r | |
3021 | /**\r | |
3022 | Get current secure boot mode by retrieve data from SetupMode/AuditMode/DeployedMode.\r | |
3023 | \r | |
3024 | @param[out] SecureBootMode Current secure boot mode.\r | |
3025 | \r | |
3026 | **/\r | |
3027 | VOID\r | |
3028 | ExtractSecureBootModeFromVariable(\r | |
3029 | OUT UINT8 *SecureBootMode\r | |
3030 | )\r | |
3031 | {\r | |
3032 | UINT8 *SetupMode;\r | |
3033 | UINT8 *AuditMode;\r | |
3034 | UINT8 *DeployedMode;\r | |
3035 | \r | |
3036 | SetupMode = NULL;\r | |
3037 | AuditMode = NULL;\r | |
3038 | DeployedMode = NULL;\r | |
3039 | \r | |
3040 | //\r | |
3041 | // Get AuditMode/DeployedMode from variable\r | |
3042 | //\r | |
3043 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r | |
3044 | GetVariable2 (EFI_AUDIT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&AuditMode, NULL);\r | |
3045 | GetVariable2 (EFI_DEPLOYED_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&DeployedMode, NULL);\r | |
3046 | if (SetupMode != NULL && AuditMode != NULL && DeployedMode != NULL) {\r | |
3047 | if (*SetupMode == 0 && *AuditMode == 0 && *DeployedMode == 0) {\r | |
3048 | //\r | |
3049 | // User Mode\r | |
3050 | //\r | |
3051 | *SecureBootMode = SECURE_BOOT_MODE_USER_MODE;\r | |
3052 | } else if (*SetupMode == 1 && *AuditMode == 0 && *DeployedMode == 0) {\r | |
3053 | //\r | |
3054 | // Setup Mode\r | |
3055 | //\r | |
3056 | *SecureBootMode = SECURE_BOOT_MODE_SETUP_MODE;\r | |
3057 | } else if (*SetupMode == 1 && *AuditMode == 1 && *DeployedMode == 0) {\r | |
3058 | //\r | |
3059 | // Audit Mode\r | |
3060 | //\r | |
3061 | *SecureBootMode = SECURE_BOOT_MODE_AUDIT_MODE;\r | |
3062 | } else if (*SetupMode == 0 && *AuditMode == 0 && *DeployedMode == 1) {\r | |
3063 | //\r | |
3064 | // Deployed Mode\r | |
3065 | //\r | |
3066 | *SecureBootMode = SECURE_BOOT_MODE_DEPLOYED_MODE;\r | |
3067 | } else {\r | |
3068 | ASSERT(FALSE);\r | |
3069 | }\r | |
3070 | }else {\r | |
3071 | ASSERT(FALSE);\r | |
3072 | }\r | |
3073 | \r | |
3074 | if (SetupMode != NULL) {\r | |
3075 | FreePool (SetupMode);\r | |
3076 | }\r | |
3077 | if (DeployedMode != NULL) {\r | |
3078 | FreePool (DeployedMode);\r | |
3079 | }\r | |
3080 | if (AuditMode != NULL) {\r | |
3081 | FreePool (AuditMode);\r | |
3082 | }\r | |
3083 | }\r | |
3084 | \r | |
02dd6af9 CZ |
3085 | /**\r |
3086 | \r | |
3087 | Update SecureBoot strings based on new Secure Boot Mode State. String includes STR_SECURE_BOOT_STATE_CONTENT\r | |
3088 | and STR_CUR_SECURE_BOOT_MODE_CONTENT.\r | |
3089 | \r | |
3090 | @param[in] PrivateData Module's private data.\r | |
3091 | \r | |
3092 | @return EFI_SUCCESS Update secure boot strings successfully.\r | |
3093 | @return other Fail to update secure boot strings.\r | |
3094 | \r | |
3095 | **/\r | |
3096 | EFI_STATUS\r | |
3097 | UpdateSecureBootString(\r | |
3098 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
abffadf0 ZC |
3099 | )\r |
3100 | {\r | |
02dd6af9 CZ |
3101 | UINT8 CurSecureBootMode;\r |
3102 | UINT8 *SecureBoot;\r | |
3103 | \r | |
e8cd9b80 CZ |
3104 | SecureBoot = NULL;\r |
3105 | \r | |
02dd6af9 CZ |
3106 | //\r |
3107 | // Get current secure boot state.\r | |
3108 | //\r | |
e8cd9b80 CZ |
3109 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SecureBoot, NULL);\r |
3110 | if (SecureBoot == NULL) {\r | |
3111 | return EFI_NOT_FOUND;\r | |
02dd6af9 CZ |
3112 | }\r |
3113 | \r | |
3114 | if (*SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
3115 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
3116 | } else {\r | |
3117 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
3118 | }\r | |
3119 | //\r | |
3120 | // Get current secure boot mode.\r | |
3121 | //\r | |
3122 | ExtractSecureBootModeFromVariable(&CurSecureBootMode);\r | |
3123 | \r | |
3124 | if (CurSecureBootMode == SECURE_BOOT_MODE_USER_MODE) {\r | |
3125 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_CUR_SECURE_BOOT_MODE_CONTENT), L"UserMode", NULL);\r | |
3126 | } else if (CurSecureBootMode == SECURE_BOOT_MODE_SETUP_MODE) {\r | |
3127 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_CUR_SECURE_BOOT_MODE_CONTENT), L"SetupMode", NULL);\r | |
3128 | } else if (CurSecureBootMode == SECURE_BOOT_MODE_AUDIT_MODE) {\r | |
3129 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_CUR_SECURE_BOOT_MODE_CONTENT), L"AuditMode", NULL);\r | |
3130 | } else if (CurSecureBootMode == SECURE_BOOT_MODE_DEPLOYED_MODE) {\r | |
3131 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_CUR_SECURE_BOOT_MODE_CONTENT), L"DeployedMode", NULL);\r | |
3132 | }\r | |
3133 | \r | |
3134 | FreePool(SecureBoot);\r | |
3135 | \r | |
3136 | return EFI_SUCCESS;\r | |
3137 | }\r | |
3138 | \r | |
ecc722ad | 3139 | /**\r |
3140 | This function extracts configuration from variable.\r | |
20333c6d | 3141 | \r |
ecc722ad | 3142 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r |
3143 | \r | |
3144 | **/\r | |
3145 | VOID\r | |
3146 | SecureBootExtractConfigFromVariable (\r | |
3147 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r | |
20333c6d | 3148 | )\r |
ecc722ad | 3149 | {\r |
20333c6d | 3150 | UINT8 *SecureBootEnable;\r |
20333c6d QL |
3151 | UINT8 *SecureBootMode;\r |
3152 | EFI_TIME CurrTime;\r | |
ecc722ad | 3153 | \r |
3154 | SecureBootEnable = NULL;\r | |
ecc722ad | 3155 | SecureBootMode = NULL;\r |
20333c6d QL |
3156 | \r |
3157 | //\r | |
3158 | // Initilize the Date and Time using system time.\r | |
3159 | //\r | |
3160 | ConfigData->CertificateFormat = HASHALG_RAW;\r | |
3161 | ConfigData->AlwaysRevocation = TRUE;\r | |
3162 | gRT->GetTime (&CurrTime, NULL);\r | |
3163 | ConfigData->RevocationDate.Year = CurrTime.Year;\r | |
3164 | ConfigData->RevocationDate.Month = CurrTime.Month;\r | |
3165 | ConfigData->RevocationDate.Day = CurrTime.Day;\r | |
3166 | ConfigData->RevocationTime.Hour = CurrTime.Hour;\r | |
3167 | ConfigData->RevocationTime.Minute = CurrTime.Minute;\r | |
3168 | ConfigData->RevocationTime.Second = 0;\r | |
3169 | \r | |
ecc722ad | 3170 | //\r |
3171 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r | |
3172 | // Checkbox.\r | |
3173 | //\r | |
f71ed839 | 3174 | ConfigData->AttemptSecureBoot = FALSE;\r |
8f8ca22e | 3175 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
ecc722ad | 3176 | if (SecureBootEnable == NULL) {\r |
3177 | ConfigData->HideSecureBoot = TRUE;\r | |
3178 | } else {\r | |
3179 | ConfigData->HideSecureBoot = FALSE;\r | |
f71ed839 | 3180 | if ((*SecureBootEnable) == SECURE_BOOT_ENABLE) {\r |
3181 | ConfigData->AttemptSecureBoot = TRUE;\r | |
3182 | }\r | |
ecc722ad | 3183 | }\r |
20333c6d | 3184 | \r |
ecc722ad | 3185 | //\r |
3186 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
3187 | //\r | |
3188 | if (UserPhysicalPresent()) {\r | |
3189 | ConfigData->PhysicalPresent = TRUE;\r | |
3190 | } else {\r | |
3191 | ConfigData->PhysicalPresent = FALSE;\r | |
3192 | }\r | |
20333c6d | 3193 | \r |
ecc722ad | 3194 | //\r |
3195 | // Get the SecureBootMode from CustomMode variable.\r | |
3196 | //\r | |
f01b91ae | 3197 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r |
ecc722ad | 3198 | if (SecureBootMode == NULL) {\r |
3199 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3200 | } else {\r | |
3201 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
3202 | }\r | |
f71ed839 | 3203 | \r |
96832eef CZ |
3204 | //\r |
3205 | // Extact current Secure Boot Mode\r | |
3206 | //\r | |
3207 | ExtractSecureBootModeFromVariable(&ConfigData->CurSecureBootMode);\r | |
3208 | \r | |
3209 | //\r | |
3210 | // If there is no PK then the Delete Pk button will be gray.\r | |
3211 | //\r | |
3212 | if (ConfigData->CurSecureBootMode == SECURE_BOOT_MODE_SETUP_MODE || ConfigData->CurSecureBootMode == SECURE_BOOT_MODE_AUDIT_MODE) {\r | |
3213 | ConfigData->HasPk = FALSE;\r | |
3214 | } else {\r | |
3215 | ConfigData->HasPk = TRUE;\r | |
3216 | }\r | |
3217 | \r | |
f71ed839 | 3218 | if (SecureBootEnable != NULL) {\r |
3219 | FreePool (SecureBootEnable);\r | |
3220 | }\r | |
96832eef | 3221 | \r |
f71ed839 | 3222 | if (SecureBootMode != NULL) {\r |
3223 | FreePool (SecureBootMode);\r | |
3224 | }\r | |
beda2356 | 3225 | }\r |
3226 | \r | |
3227 | /**\r | |
3228 | This function allows a caller to extract the current configuration for one\r | |
3229 | or more named elements from the target driver.\r | |
3230 | \r | |
3231 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3232 | @param[in] Request A null-terminated Unicode string in\r | |
3233 | <ConfigRequest> format.\r | |
3234 | @param[out] Progress On return, points to a character in the Request\r | |
3235 | string. Points to the string's null terminator if\r | |
3236 | request was successful. Points to the most recent\r | |
3237 | '&' before the first failing name/value pair (or\r | |
3238 | the beginning of the string if the failure is in\r | |
3239 | the first name/value pair) if the request was not\r | |
3240 | successful.\r | |
3241 | @param[out] Results A null-terminated Unicode string in\r | |
3242 | <ConfigAltResp> format which has all values filled\r | |
3243 | in for the names in the Request string. String to\r | |
3244 | be allocated by the called function.\r | |
3245 | \r | |
3246 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
3247 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
3248 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
3249 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3250 | driver.\r | |
3251 | \r | |
3252 | **/\r | |
3253 | EFI_STATUS\r | |
3254 | EFIAPI\r | |
3255 | SecureBootExtractConfig (\r | |
3256 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3257 | IN CONST EFI_STRING Request,\r | |
3258 | OUT EFI_STRING *Progress,\r | |
3259 | OUT EFI_STRING *Results\r | |
3260 | )\r | |
3261 | {\r | |
3262 | EFI_STATUS Status;\r | |
3263 | UINTN BufferSize;\r | |
bc0c99b3 | 3264 | UINTN Size;\r |
beda2356 | 3265 | SECUREBOOT_CONFIGURATION Configuration;\r |
beda2356 | 3266 | EFI_STRING ConfigRequest;\r |
bc0c99b3 | 3267 | EFI_STRING ConfigRequestHdr;\r |
bc0c99b3 | 3268 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r |
3269 | BOOLEAN AllocatedRequest;\r | |
3270 | \r | |
beda2356 | 3271 | if (Progress == NULL || Results == NULL) {\r |
3272 | return EFI_INVALID_PARAMETER;\r | |
3273 | }\r | |
20333c6d | 3274 | \r |
bc0c99b3 | 3275 | AllocatedRequest = FALSE;\r |
3276 | ConfigRequestHdr = NULL;\r | |
3277 | ConfigRequest = NULL;\r | |
3278 | Size = 0;\r | |
20333c6d | 3279 | \r |
ea71453f | 3280 | ZeroMem (&Configuration, sizeof (Configuration));\r |
bc0c99b3 | 3281 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3282 | *Progress = Request;\r | |
20333c6d | 3283 | \r |
beda2356 | 3284 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
3285 | return EFI_NOT_FOUND;\r | |
3286 | }\r | |
3287 | \r | |
beda2356 | 3288 | //\r |
ecc722ad | 3289 | // Get Configuration from Variable.\r |
beda2356 | 3290 | //\r |
ecc722ad | 3291 | SecureBootExtractConfigFromVariable (&Configuration);\r |
f71ed839 | 3292 | \r |
bc0c99b3 | 3293 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 3294 | ConfigRequest = Request;\r |
bc0c99b3 | 3295 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
3296 | //\r | |
3297 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 3298 | //\r |
3299 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
3300 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
3301 | //\r | |
3302 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
3303 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
3304 | ConfigRequest = AllocateZeroPool (Size);\r | |
3305 | ASSERT (ConfigRequest != NULL);\r | |
3306 | AllocatedRequest = TRUE;\r | |
3307 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
3308 | FreePool (ConfigRequestHdr);\r | |
3309 | ConfigRequestHdr = NULL;\r | |
3310 | }\r | |
beda2356 | 3311 | \r |
3312 | Status = gHiiConfigRouting->BlockToConfig (\r | |
3313 | gHiiConfigRouting,\r | |
3314 | ConfigRequest,\r | |
3315 | (UINT8 *) &Configuration,\r | |
3316 | BufferSize,\r | |
3317 | Results,\r | |
3318 | Progress\r | |
3319 | );\r | |
bc0c99b3 | 3320 | \r |
3321 | //\r | |
3322 | // Free the allocated config request string.\r | |
3323 | //\r | |
3324 | if (AllocatedRequest) {\r | |
3325 | FreePool (ConfigRequest);\r | |
3326 | }\r | |
3327 | \r | |
beda2356 | 3328 | //\r |
3329 | // Set Progress string to the original request string.\r | |
3330 | //\r | |
3331 | if (Request == NULL) {\r | |
3332 | *Progress = NULL;\r | |
3333 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
3334 | *Progress = Request + StrLen (Request);\r | |
3335 | }\r | |
3336 | \r | |
3337 | return Status;\r | |
3338 | }\r | |
3339 | \r | |
3340 | /**\r | |
3341 | This function processes the results of changes in configuration.\r | |
3342 | \r | |
3343 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3344 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
3345 | format.\r | |
3346 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
3347 | the most recent '&' before the first failing\r | |
3348 | name/value pair (or the beginning of the string if\r | |
3349 | the failure is in the first name/value pair) or\r | |
3350 | the terminating NULL if all was successful.\r | |
3351 | \r | |
3352 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
3353 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
3354 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3355 | driver.\r | |
3356 | \r | |
3357 | **/\r | |
3358 | EFI_STATUS\r | |
3359 | EFIAPI\r | |
3360 | SecureBootRouteConfig (\r | |
3361 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3362 | IN CONST EFI_STRING Configuration,\r | |
3363 | OUT EFI_STRING *Progress\r | |
3364 | )\r | |
3365 | {\r | |
a2f2c258 | 3366 | UINT8 *SecureBootEnable;\r |
3367 | SECUREBOOT_CONFIGURATION IfrNvData;\r | |
3368 | UINTN BufferSize;\r | |
3369 | EFI_STATUS Status;\r | |
20333c6d | 3370 | \r |
beda2356 | 3371 | if (Configuration == NULL || Progress == NULL) {\r |
3372 | return EFI_INVALID_PARAMETER;\r | |
3373 | }\r | |
3374 | \r | |
3375 | *Progress = Configuration;\r | |
3376 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
3377 | return EFI_NOT_FOUND;\r | |
3378 | }\r | |
3379 | \r | |
a365eed4 FS |
3380 | //\r |
3381 | // Get Configuration from Variable.\r | |
3382 | //\r | |
3383 | SecureBootExtractConfigFromVariable (&IfrNvData);\r | |
3384 | \r | |
3385 | //\r | |
3386 | // Map the Configuration to the configuration block.\r | |
3387 | //\r | |
a2f2c258 | 3388 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
3389 | Status = gHiiConfigRouting->ConfigToBlock (\r | |
3390 | gHiiConfigRouting,\r | |
3391 | Configuration,\r | |
3392 | (UINT8 *)&IfrNvData,\r | |
3393 | &BufferSize,\r | |
3394 | Progress\r | |
3395 | );\r | |
3396 | if (EFI_ERROR (Status)) {\r | |
3397 | return Status;\r | |
3398 | }\r | |
3399 | \r | |
3400 | //\r | |
3401 | // Store Buffer Storage back to EFI variable if needed\r | |
3402 | //\r | |
3403 | SecureBootEnable = NULL;\r | |
3404 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r | |
3405 | if (NULL != SecureBootEnable) {\r | |
3406 | FreePool (SecureBootEnable);\r | |
3407 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r | |
3408 | if (EFI_ERROR (Status)) {\r | |
3409 | return Status;\r | |
3410 | }\r | |
3411 | }\r | |
3412 | \r | |
ecc722ad | 3413 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 3414 | return EFI_SUCCESS;\r |
3415 | }\r | |
3416 | \r | |
3417 | /**\r | |
ecc722ad | 3418 | This function is called to provide results data to the driver.\r |
beda2356 | 3419 | \r |
3420 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3421 | @param[in] Action Specifies the type of action taken by the browser.\r | |
3422 | @param[in] QuestionId A unique value which is sent to the original\r | |
3423 | exporting driver so that it can identify the type\r | |
3424 | of data to expect.\r | |
3425 | @param[in] Type The type of value for the question.\r | |
3426 | @param[in] Value A pointer to the data being sent to the original\r | |
3427 | exporting driver.\r | |
3428 | @param[out] ActionRequest On return, points to the action requested by the\r | |
3429 | callback function.\r | |
3430 | \r | |
3431 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
3432 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
3433 | variable and its data.\r | |
3434 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
3435 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
3436 | callback.\r | |
3437 | \r | |
3438 | **/\r | |
3439 | EFI_STATUS\r | |
3440 | EFIAPI\r | |
3441 | SecureBootCallback (\r | |
3442 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3443 | IN EFI_BROWSER_ACTION Action,\r | |
3444 | IN EFI_QUESTION_ID QuestionId,\r | |
3445 | IN UINT8 Type,\r | |
3446 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
3447 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
3448 | )\r | |
3449 | {\r | |
ecc722ad | 3450 | EFI_INPUT_KEY Key;\r |
20333c6d | 3451 | EFI_STATUS Status;\r |
ecc722ad | 3452 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r |
3453 | UINTN BufferSize;\r | |
3454 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
3455 | UINT16 LabelId;\r | |
bf4a3dbd | 3456 | UINT8 *SecureBootEnable;\r |
f71ed839 | 3457 | UINT8 *SecureBootMode;\r |
e4d7370d | 3458 | CHAR16 PromptString[100];\r |
96832eef | 3459 | UINT8 CurSecureBootMode;\r |
762d8ddb | 3460 | EFI_DEVICE_PATH_PROTOCOL *File;\r |
bf4a3dbd | 3461 | \r |
96832eef | 3462 | Status = EFI_SUCCESS;\r |
bf4a3dbd | 3463 | SecureBootEnable = NULL;\r |
f71ed839 | 3464 | SecureBootMode = NULL;\r |
762d8ddb | 3465 | File = NULL;\r |
bc0c99b3 | 3466 | \r |
beda2356 | 3467 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
3468 | return EFI_INVALID_PARAMETER;\r | |
3469 | }\r | |
96832eef CZ |
3470 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3471 | \r | |
762d8ddb DB |
3472 | gSecureBootPrivateData = Private;\r |
3473 | \r | |
96832eef CZ |
3474 | //\r |
3475 | // Retrieve uncommitted data from Browser\r | |
3476 | //\r | |
3477 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
3478 | IfrNvData = AllocateZeroPool (BufferSize);\r | |
3479 | if (IfrNvData == NULL) {\r | |
3480 | return EFI_OUT_OF_RESOURCES;\r | |
3481 | }\r | |
3482 | \r | |
3483 | HiiGetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *) IfrNvData);\r | |
beda2356 | 3484 | \r |
a365eed4 FS |
3485 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
3486 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
02dd6af9 CZ |
3487 | //\r |
3488 | // Update secure boot strings when opening this form\r | |
3489 | //\r | |
3490 | Status = UpdateSecureBootString(Private);\r | |
762d8ddb | 3491 | SecureBootExtractConfigFromVariable (IfrNvData);\r |
a365eed4 | 3492 | mIsEnterSecureBootForm = TRUE;\r |
96832eef CZ |
3493 | } else if (QuestionId == KEY_TRANS_SECURE_BOOT_MODE){\r |
3494 | //\r | |
623538ff | 3495 | // Secure Boot Policy variable changes after transition. Re-sync CurSecureBootMode\r |
96832eef CZ |
3496 | //\r |
3497 | ExtractSecureBootModeFromVariable(&IfrNvData->CurSecureBootMode);\r | |
3498 | mIsSelectedSecureBootModeForm = TRUE;\r | |
3499 | mIsSecureBootModeChanged = FALSE;\r | |
a365eed4 | 3500 | }\r |
96832eef | 3501 | goto EXIT;\r |
a365eed4 | 3502 | }\r |
20333c6d | 3503 | \r |
a365eed4 FS |
3504 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r |
3505 | Status = EFI_UNSUPPORTED;\r | |
3506 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
3507 | if (mIsEnterSecureBootForm) {\r | |
3508 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
3509 | Status = EFI_SUCCESS;\r | |
3510 | }\r | |
96832eef CZ |
3511 | } else if (QuestionId == KEY_TRANS_SECURE_BOOT_MODE) {\r |
3512 | if (mIsSelectedSecureBootModeForm) {\r | |
3513 | Value->u8 = IfrNvData->CurSecureBootMode;\r | |
3514 | Status = EFI_SUCCESS;\r | |
3515 | }\r | |
a365eed4 | 3516 | }\r |
96832eef | 3517 | goto EXIT;\r |
a365eed4 | 3518 | }\r |
20333c6d | 3519 | \r |
f71ed839 | 3520 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
3521 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 3522 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
3523 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD)) {\r | |
96832eef CZ |
3524 | Status = EFI_UNSUPPORTED;\r |
3525 | goto EXIT;\r | |
beda2356 | 3526 | }\r |
bc0c99b3 | 3527 | \r |
ecc722ad | 3528 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r |
3529 | \r | |
3530 | switch (QuestionId) {\r | |
3531 | case KEY_SECURE_BOOT_ENABLE:\r | |
f01b91ae | 3532 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
bf4a3dbd | 3533 | if (NULL != SecureBootEnable) {\r |
f71ed839 | 3534 | FreePool (SecureBootEnable);\r |
ecc722ad | 3535 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r |
3536 | CreatePopUp (\r | |
3537 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3538 | &Key,\r | |
3539 | L"Only Physical Presence User could disable secure boot!",\r | |
3540 | NULL\r | |
3541 | );\r | |
3542 | Status = EFI_UNSUPPORTED;\r | |
0357efe3 | 3543 | } else {\r |
3544 | CreatePopUp (\r | |
3545 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3546 | &Key,\r | |
f71ed839 | 3547 | L"Configuration changed, please reset the platform to take effect!",\r |
0357efe3 | 3548 | NULL\r |
3549 | );\r | |
ecc722ad | 3550 | }\r |
ecc722ad | 3551 | }\r |
3552 | break;\r | |
3553 | \r | |
ecc722ad | 3554 | case KEY_SECURE_BOOT_KEK_OPTION:\r |
3555 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
3556 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
20333c6d | 3557 | case KEY_SECURE_BOOT_DBT_OPTION:\r |
ecc722ad | 3558 | //\r |
3559 | // Clear Signature GUID.\r | |
3560 | //\r | |
3561 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
3562 | if (Private->SignatureGUID == NULL) {\r | |
3563 | Private->SignatureGUID = (EFI_GUID *) AllocateZeroPool (sizeof (EFI_GUID));\r | |
3564 | if (Private->SignatureGUID == NULL) {\r | |
3565 | return EFI_OUT_OF_RESOURCES;\r | |
3566 | }\r | |
3567 | }\r | |
beda2356 | 3568 | \r |
ecc722ad | 3569 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r |
3570 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
3571 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
3572 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
20333c6d QL |
3573 | } else if (QuestionId == KEY_SECURE_BOOT_DBT_OPTION) {\r |
3574 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;\r | |
ecc722ad | 3575 | } else {\r |
3576 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
3577 | }\r | |
3578 | \r | |
3579 | //\r | |
3580 | // Refresh selected file.\r | |
3581 | //\r | |
20333c6d | 3582 | CleanUpPage (LabelId, Private);\r |
ecc722ad | 3583 | break;\r |
762d8ddb DB |
3584 | case KEY_SECURE_BOOT_PK_OPTION:\r |
3585 | LabelId = FORMID_ENROLL_PK_FORM;\r | |
3586 | //\r | |
3587 | // Refresh selected file.\r | |
3588 | //\r | |
3589 | CleanUpPage (LabelId, Private);\r | |
3590 | break;\r | |
3591 | \r | |
3592 | case FORMID_ENROLL_PK_FORM:\r | |
d6224153 | 3593 | ChooseFile (NULL, NULL, UpdatePKFromFile, &File);\r |
762d8ddb | 3594 | break;\r |
20333c6d | 3595 | \r |
ecc722ad | 3596 | case FORMID_ENROLL_KEK_FORM:\r |
d6224153 | 3597 | ChooseFile (NULL, NULL, UpdateKEKFromFile, &File);\r |
762d8ddb DB |
3598 | break;\r |
3599 | \r | |
ecc722ad | 3600 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r |
d6224153 | 3601 | ChooseFile (NULL, NULL, UpdateDBFromFile, &File);\r |
762d8ddb DB |
3602 | break;\r |
3603 | \r | |
ecc722ad | 3604 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r |
d6224153 | 3605 | ChooseFile (NULL, NULL, UpdateDBXFromFile, &File);\r |
762d8ddb | 3606 | break;\r |
ecc722ad | 3607 | \r |
762d8ddb | 3608 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBT:\r |
d6224153 | 3609 | ChooseFile (NULL, NULL, UpdateDBTFromFile, &File);\r |
ecc722ad | 3610 | break;\r |
3611 | \r | |
20333c6d | 3612 | case KEY_SECURE_BOOT_DELETE_PK:\r |
f71ed839 | 3613 | if (Value->u8) {\r |
3614 | CreatePopUp (\r | |
3615 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3616 | &Key,\r | |
3617 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
3618 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
3619 | NULL\r | |
3620 | );\r | |
3621 | if (Key.UnicodeChar == 'y' || Key.UnicodeChar == 'Y') {\r | |
ecc722ad | 3622 | Status = DeletePlatformKey ();\r |
f71ed839 | 3623 | if (EFI_ERROR (Status)) {\r |
3624 | CreatePopUp (\r | |
3625 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3626 | &Key,\r | |
3627 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
3628 | NULL\r | |
3629 | );\r | |
3630 | }\r | |
ecc722ad | 3631 | }\r |
f71ed839 | 3632 | }\r |
ecc722ad | 3633 | break;\r |
3634 | \r | |
3635 | case KEY_DELETE_KEK:\r | |
3636 | UpdateDeletePage (\r | |
20333c6d | 3637 | Private,\r |
ecc722ad | 3638 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
3639 | &gEfiGlobalVariableGuid,\r | |
3640 | LABEL_KEK_DELETE,\r | |
3641 | FORMID_DELETE_KEK_FORM,\r | |
20333c6d | 3642 | OPTION_DEL_KEK_QUESTION_ID\r |
ecc722ad | 3643 | );\r |
3644 | break;\r | |
3645 | \r | |
20333c6d | 3646 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB:\r |
ecc722ad | 3647 | UpdateDeletePage (\r |
3648 | Private,\r | |
3649 | EFI_IMAGE_SECURITY_DATABASE,\r | |
3650 | &gEfiImageSecurityDatabaseGuid,\r | |
3651 | LABEL_DB_DELETE,\r | |
3652 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
3653 | OPTION_DEL_DB_QUESTION_ID\r | |
3654 | );\r | |
3655 | break;\r | |
3656 | \r | |
3657 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBX:\r | |
3658 | UpdateDeletePage (\r | |
3659 | Private,\r | |
3660 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
3661 | &gEfiImageSecurityDatabaseGuid,\r | |
3662 | LABEL_DBX_DELETE,\r | |
3663 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r | |
3664 | OPTION_DEL_DBX_QUESTION_ID\r | |
3665 | );\r | |
3666 | \r | |
3667 | break;\r | |
3668 | \r | |
20333c6d QL |
3669 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBT:\r |
3670 | UpdateDeletePage (\r | |
3671 | Private,\r | |
3672 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
3673 | &gEfiImageSecurityDatabaseGuid,\r | |
3674 | LABEL_DBT_DELETE,\r | |
3675 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
3676 | OPTION_DEL_DBT_QUESTION_ID\r | |
3677 | );\r | |
3678 | \r | |
3679 | break;\r | |
3680 | \r | |
ecc722ad | 3681 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r |
3682 | Status = EnrollKeyExchangeKey (Private);\r | |
ee79ac8d | 3683 | if (EFI_ERROR (Status)) {\r |
3684 | CreatePopUp (\r | |
3685 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3686 | &Key,\r | |
3687 | L"ERROR: Unsupported file type!",\r | |
3688 | L"Only supports DER-encoded X509 certificate",\r | |
3689 | NULL\r | |
3690 | );\r | |
3691 | }\r | |
ecc722ad | 3692 | break;\r |
3693 | \r | |
3694 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
3695 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
ee79ac8d | 3696 | if (EFI_ERROR (Status)) {\r |
3697 | CreatePopUp (\r | |
3698 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3699 | &Key,\r | |
3700 | L"ERROR: Unsupported file type!",\r | |
3701 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
3702 | NULL\r | |
3703 | );\r | |
3704 | }\r | |
ecc722ad | 3705 | break;\r |
3706 | \r | |
3707 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
20333c6d QL |
3708 | if (IsX509CertInDbx (Private, EFI_IMAGE_SECURITY_DATABASE1)) {\r |
3709 | CreatePopUp (\r | |
3710 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3711 | &Key,\r | |
3712 | L"Enrollment failed! Same certificate had already been in the dbx!",\r | |
3713 | NULL\r | |
3714 | );\r | |
3715 | break;\r | |
3716 | }\r | |
3717 | \r | |
3718 | if ((IfrNvData != NULL) && (IfrNvData->CertificateFormat < HASHALG_MAX)) {\r | |
3719 | Status = EnrollX509HashtoSigDB (\r | |
3720 | Private,\r | |
3721 | IfrNvData->CertificateFormat,\r | |
3722 | &IfrNvData->RevocationDate,\r | |
3723 | &IfrNvData->RevocationTime,\r | |
3724 | IfrNvData->AlwaysRevocation\r | |
3725 | );\r | |
3726 | } else {\r | |
3727 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
3728 | }\r | |
ee79ac8d | 3729 | if (EFI_ERROR (Status)) {\r |
3730 | CreatePopUp (\r | |
3731 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3732 | &Key,\r | |
3733 | L"ERROR: Unsupported file type!",\r | |
3734 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
3735 | NULL\r | |
3736 | );\r | |
3737 | }\r | |
ecc722ad | 3738 | break;\r |
3739 | \r | |
20333c6d QL |
3740 | case KEY_VALUE_SAVE_AND_EXIT_DBT:\r |
3741 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE2);\r | |
3742 | if (EFI_ERROR (Status)) {\r | |
3743 | CreatePopUp (\r | |
3744 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3745 | &Key,\r | |
3746 | L"ERROR: Unsupported file type!",\r | |
3747 | L"Only supports DER-encoded X509 certificate.",\r | |
3748 | NULL\r | |
3749 | );\r | |
3750 | }\r | |
3751 | break;\r | |
762d8ddb DB |
3752 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r |
3753 | Status = EnrollPlatformKey (Private);\r | |
3754 | if (EFI_ERROR (Status)) {\r | |
3755 | UnicodeSPrint (\r | |
3756 | PromptString,\r | |
3757 | sizeof (PromptString),\r | |
3758 | L"Only DER encoded certificate file (%s) is supported.",\r | |
3759 | mSupportX509Suffix\r | |
3760 | );\r | |
3761 | CreatePopUp (\r | |
3762 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3763 | &Key,\r | |
3764 | L"ERROR: Unsupported file type!",\r | |
3765 | PromptString,\r | |
3766 | NULL\r | |
3767 | );\r | |
3768 | }\r | |
3769 | break;\r | |
96832eef CZ |
3770 | case KEY_TRANS_SECURE_BOOT_MODE:\r |
3771 | //\r | |
3772 | // Pop up to alert user want to change secure boot mode \r | |
3773 | //\r | |
3774 | if ((IfrNvData->CurSecureBootMode == SECURE_BOOT_MODE_USER_MODE && \r | |
3775 | (Value->u8 == SECURE_BOOT_MODE_AUDIT_MODE || Value->u8 == SECURE_BOOT_MODE_DEPLOYED_MODE))\r | |
3776 | ||(IfrNvData->CurSecureBootMode == SECURE_BOOT_MODE_SETUP_MODE && \r | |
3777 | Value->u8 == SECURE_BOOT_MODE_AUDIT_MODE)\r | |
3778 | ||(IfrNvData->CurSecureBootMode == SECURE_BOOT_MODE_DEPLOYED_MODE && \r | |
3779 | Value->u8 == SECURE_BOOT_MODE_USER_MODE && IfrNvData->PhysicalPresent == 1)){\r | |
3780 | CreatePopUp (\r | |
3781 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3782 | &Key,\r | |
3783 | L"Are you sure you want to switch secure boot mode?",\r | |
3784 | L"Press 'Y' to switch secure boot mode, 'N' to discard change and return",\r | |
3785 | NULL\r | |
3786 | );\r | |
3787 | if (Key.UnicodeChar != 'y' && Key.UnicodeChar != 'Y') {\r | |
3788 | //\r | |
3789 | // If not 'Y'/''y' restore to defualt secure boot mode\r | |
3790 | //\r | |
3791 | Value->u8 = IfrNvData->CurSecureBootMode;\r | |
3792 | goto EXIT;\r | |
3793 | }\r | |
3794 | } else if ((IfrNvData->CurSecureBootMode == SECURE_BOOT_MODE_SETUP_MODE && Value->u8 == SECURE_BOOT_MODE_USER_MODE)\r | |
3795 | ||(IfrNvData->CurSecureBootMode == SECURE_BOOT_MODE_USER_MODE && Value->u8 == SECURE_BOOT_MODE_SETUP_MODE)\r | |
3796 | ||(IfrNvData->CurSecureBootMode == SECURE_BOOT_MODE_AUDIT_MODE && Value->u8 == SECURE_BOOT_MODE_DEPLOYED_MODE)\r | |
3797 | ||(IfrNvData->CurSecureBootMode == SECURE_BOOT_MODE_DEPLOYED_MODE && Value->u8 == SECURE_BOOT_MODE_SETUP_MODE)) {\r | |
3798 | CreatePopUp (\r | |
3799 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3800 | &Key,\r | |
623538ff | 3801 | L"Secure boot mode transition requires PK change",\r |
96832eef CZ |
3802 | L"Please go to link below to update PK",\r |
3803 | NULL\r | |
3804 | );\r | |
3805 | } else {\r | |
3806 | Status = EFI_INVALID_PARAMETER;\r | |
3807 | goto EXIT;\r | |
3808 | }\r | |
3809 | \r | |
3810 | Status = SecureBootModeTransition(IfrNvData->CurSecureBootMode, Value->u8);\r | |
3811 | //\r | |
623538ff | 3812 | // Secure Boot Policy variable may change after transition. Re-sync CurSecureBootMode\r |
96832eef CZ |
3813 | //\r |
3814 | ExtractSecureBootModeFromVariable(&CurSecureBootMode);\r | |
3815 | if (IfrNvData->CurSecureBootMode != CurSecureBootMode) {\r | |
3816 | IfrNvData->CurSecureBootMode = CurSecureBootMode;\r | |
3817 | mIsSecureBootModeChanged = TRUE;\r | |
96832eef CZ |
3818 | }\r |
3819 | break;\r | |
20333c6d | 3820 | \r |
ecc722ad | 3821 | default:\r |
762d8ddb | 3822 | if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r |
ecc722ad | 3823 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r |
3824 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
3825 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
3826 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3827 | DeleteSignature (\r | |
3828 | Private,\r | |
3829 | EFI_IMAGE_SECURITY_DATABASE,\r | |
3830 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 3831 | LABEL_DB_DELETE,\r |
ecc722ad | 3832 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r |
3833 | OPTION_DEL_DB_QUESTION_ID,\r | |
3834 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
3835 | );\r | |
3836 | } else if ((QuestionId >= OPTION_DEL_DBX_QUESTION_ID) &&\r | |
3837 | (QuestionId < (OPTION_DEL_DBX_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3838 | DeleteSignature (\r | |
3839 | Private,\r | |
3840 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
3841 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 3842 | LABEL_DBX_DELETE,\r |
ecc722ad | 3843 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r |
3844 | OPTION_DEL_DBX_QUESTION_ID,\r | |
3845 | QuestionId - OPTION_DEL_DBX_QUESTION_ID\r | |
3846 | );\r | |
20333c6d QL |
3847 | } else if ((QuestionId >= OPTION_DEL_DBT_QUESTION_ID) &&\r |
3848 | (QuestionId < (OPTION_DEL_DBT_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3849 | DeleteSignature (\r | |
3850 | Private,\r | |
3851 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
3852 | &gEfiImageSecurityDatabaseGuid,\r | |
3853 | LABEL_DBT_DELETE,\r | |
3854 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
3855 | OPTION_DEL_DBT_QUESTION_ID,\r | |
3856 | QuestionId - OPTION_DEL_DBT_QUESTION_ID\r | |
3857 | );\r | |
ecc722ad | 3858 | }\r |
3859 | break;\r | |
ecc722ad | 3860 | \r |
3861 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
3862 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
3863 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
3864 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
20333c6d | 3865 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBT:\r |
ecc722ad | 3866 | if (Private->FileContext->FHandle != NULL) {\r |
3867 | CloseFile (Private->FileContext->FHandle);\r | |
3868 | Private->FileContext->FHandle = NULL;\r | |
762d8ddb DB |
3869 | if (Private->FileContext->FileName!= NULL){\r |
3870 | FreePool(Private->FileContext->FileName);\r | |
3871 | Private->FileContext->FileName = NULL;\r | |
3872 | }\r | |
ecc722ad | 3873 | }\r |
20333c6d | 3874 | \r |
ecc722ad | 3875 | if (Private->SignatureGUID != NULL) {\r |
3876 | FreePool (Private->SignatureGUID);\r | |
3877 | Private->SignatureGUID = NULL;\r | |
3878 | }\r | |
ecc722ad | 3879 | break;\r |
762d8ddb DB |
3880 | }\r |
3881 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
3882 | switch (QuestionId) {\r | |
3883 | case KEY_SECURE_BOOT_ENABLE:\r | |
3884 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3885 | break;\r | |
ecc722ad | 3886 | case KEY_SECURE_BOOT_MODE:\r |
a365eed4 | 3887 | mIsEnterSecureBootForm = FALSE;\r |
ecc722ad | 3888 | break;\r |
96832eef CZ |
3889 | case KEY_TRANS_SECURE_BOOT_MODE:\r |
3890 | mIsSelectedSecureBootModeForm = FALSE;\r | |
3891 | if (mIsSecureBootModeChanged) {\r | |
3892 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_RESET;\r | |
3893 | }\r | |
3894 | mIsSecureBootModeChanged = FALSE;\r | |
3895 | break;\r | |
ecc722ad | 3896 | case KEY_SECURE_BOOT_KEK_GUID:\r |
3897 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
3898 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
20333c6d | 3899 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBT:\r |
ecc722ad | 3900 | ASSERT (Private->SignatureGUID != NULL);\r |
3901 | Status = StringToGuid (\r | |
3902 | IfrNvData->SignatureGuid,\r | |
3903 | StrLen (IfrNvData->SignatureGuid),\r | |
3904 | Private->SignatureGUID\r | |
3905 | );\r | |
3906 | if (EFI_ERROR (Status)) {\r | |
3907 | break;\r | |
3908 | }\r | |
3909 | \r | |
3910 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3911 | break;\r | |
3912 | \r | |
3913 | case KEY_SECURE_BOOT_DELETE_PK:\r | |
96832eef | 3914 | if (IfrNvData->CurSecureBootMode == SECURE_BOOT_MODE_USER_MODE || IfrNvData->CurSecureBootMode == SECURE_BOOT_MODE_DEPLOYED_MODE) {\r |
f71ed839 | 3915 | IfrNvData->DeletePk = TRUE;\r |
3916 | IfrNvData->HasPk = FALSE;\r | |
ecc722ad | 3917 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r |
f71ed839 | 3918 | } else {\r |
3919 | IfrNvData->DeletePk = FALSE;\r | |
3920 | IfrNvData->HasPk = TRUE;\r | |
3921 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3922 | }\r | |
c93bcb7e ED |
3923 | break;\r |
3924 | default:\r | |
c93bcb7e | 3925 | break;\r |
ecc722ad | 3926 | }\r |
a2f2c258 | 3927 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
3928 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
3929 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r | |
3930 | if (SecureBootEnable == NULL) {\r | |
3931 | IfrNvData->HideSecureBoot = TRUE;\r | |
3932 | } else {\r | |
3933 | FreePool (SecureBootEnable);\r | |
3934 | IfrNvData->HideSecureBoot = FALSE;\r | |
3935 | }\r | |
3936 | Value->b = IfrNvData->HideSecureBoot;\r | |
3937 | }\r | |
f71ed839 | 3938 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
3939 | //\r | |
3940 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
3941 | //\r | |
3942 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3943 | if (NULL != SecureBootMode && *SecureBootMode == CUSTOM_SECURE_BOOT_MODE) {\r | |
3944 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3945 | SetSecureBootMode(STANDARD_SECURE_BOOT_MODE);\r | |
3946 | }\r | |
3947 | if (SecureBootMode != NULL) {\r | |
3948 | FreePool (SecureBootMode);\r | |
3949 | }\r | |
ecc722ad | 3950 | }\r |
20333c6d | 3951 | \r |
96832eef CZ |
3952 | EXIT:\r |
3953 | \r | |
ecc722ad | 3954 | if (!EFI_ERROR (Status)) {\r |
3955 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
742d9b3a | 3956 | HiiSetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8*) IfrNvData, NULL);\r |
ecc722ad | 3957 | }\r |
96832eef | 3958 | \r |
ecc722ad | 3959 | FreePool (IfrNvData);\r |
20333c6d | 3960 | \r |
762d8ddb DB |
3961 | if (File != NULL){\r |
3962 | FreePool(File);\r | |
3963 | File = NULL;\r | |
3964 | }\r | |
3965 | \r | |
ecc722ad | 3966 | return EFI_SUCCESS;\r |
beda2356 | 3967 | }\r |
3968 | \r | |
3969 | /**\r | |
3970 | This function publish the SecureBoot configuration Form.\r | |
3971 | \r | |
3972 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
3973 | \r | |
ecc722ad | 3974 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 3975 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
3976 | @retval Others Other errors as indicated.\r | |
3977 | \r | |
3978 | **/\r | |
3979 | EFI_STATUS\r | |
3980 | InstallSecureBootConfigForm (\r | |
3981 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
3982 | )\r | |
3983 | {\r | |
3984 | EFI_STATUS Status;\r | |
3985 | EFI_HII_HANDLE HiiHandle;\r | |
3986 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 3987 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
3988 | \r | |
3989 | DriverHandle = NULL;\r | |
3990 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
3991 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3992 | &DriverHandle,\r | |
3993 | &gEfiDevicePathProtocolGuid,\r | |
3994 | &mSecureBootHiiVendorDevicePath,\r | |
3995 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3996 | ConfigAccess,\r | |
3997 | NULL\r | |
3998 | );\r | |
3999 | if (EFI_ERROR (Status)) {\r | |
4000 | return Status;\r | |
4001 | }\r | |
4002 | \r | |
4003 | PrivateData->DriverHandle = DriverHandle;\r | |
4004 | \r | |
4005 | //\r | |
4006 | // Publish the HII package list\r | |
4007 | //\r | |
4008 | HiiHandle = HiiAddPackages (\r | |
4009 | &gSecureBootConfigFormSetGuid,\r | |
4010 | DriverHandle,\r | |
4011 | SecureBootConfigDxeStrings,\r | |
4012 | SecureBootConfigBin,\r | |
4013 | NULL\r | |
4014 | );\r | |
4015 | if (HiiHandle == NULL) {\r | |
4016 | gBS->UninstallMultipleProtocolInterfaces (\r | |
4017 | DriverHandle,\r | |
4018 | &gEfiDevicePathProtocolGuid,\r | |
4019 | &mSecureBootHiiVendorDevicePath,\r | |
4020 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4021 | ConfigAccess,\r | |
4022 | NULL\r | |
bc0c99b3 | 4023 | );\r |
beda2356 | 4024 | return EFI_OUT_OF_RESOURCES;\r |
4025 | }\r | |
bc0c99b3 | 4026 | \r |
beda2356 | 4027 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 4028 | \r |
4029 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
20333c6d | 4030 | \r |
762d8ddb | 4031 | if (PrivateData->FileContext == NULL) {\r |
ecc722ad | 4032 | UninstallSecureBootConfigForm (PrivateData);\r |
4033 | return EFI_OUT_OF_RESOURCES;\r | |
4034 | }\r | |
20333c6d | 4035 | \r |
ecc722ad | 4036 | //\r |
4037 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
4038 | //\r | |
4039 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4040 | if (mStartOpCodeHandle == NULL) {\r | |
4041 | UninstallSecureBootConfigForm (PrivateData);\r | |
4042 | return EFI_OUT_OF_RESOURCES;\r | |
4043 | }\r | |
4044 | \r | |
4045 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4046 | if (mEndOpCodeHandle == NULL) {\r | |
4047 | UninstallSecureBootConfigForm (PrivateData);\r | |
4048 | return EFI_OUT_OF_RESOURCES;\r | |
4049 | }\r | |
4050 | \r | |
4051 | //\r | |
4052 | // Create Hii Extend Label OpCode as the start opcode\r | |
4053 | //\r | |
4054 | mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
4055 | mStartOpCodeHandle,\r | |
4056 | &gEfiIfrTianoGuid,\r | |
4057 | NULL,\r | |
4058 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4059 | );\r | |
4060 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4061 | \r | |
4062 | //\r | |
4063 | // Create Hii Extend Label OpCode as the end opcode\r | |
4064 | //\r | |
4065 | mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
4066 | mEndOpCodeHandle,\r | |
4067 | &gEfiIfrTianoGuid,\r | |
4068 | NULL,\r | |
4069 | sizeof (EFI_IFR_GUID_LABEL)\r | |
4070 | );\r | |
4071 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4072 | mEndLabel->Number = LABEL_END;\r | |
20333c6d | 4073 | \r |
bc0c99b3 | 4074 | return EFI_SUCCESS;\r |
beda2356 | 4075 | }\r |
4076 | \r | |
4077 | /**\r | |
4078 | This function removes SecureBoot configuration Form.\r | |
4079 | \r | |
4080 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
4081 | \r | |
4082 | **/\r | |
4083 | VOID\r | |
4084 | UninstallSecureBootConfigForm (\r | |
4085 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
4086 | )\r | |
4087 | {\r | |
4088 | //\r | |
4089 | // Uninstall HII package list\r | |
4090 | //\r | |
4091 | if (PrivateData->HiiHandle != NULL) {\r | |
4092 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
4093 | PrivateData->HiiHandle = NULL;\r | |
4094 | }\r | |
4095 | \r | |
4096 | //\r | |
4097 | // Uninstall HII Config Access Protocol\r | |
4098 | //\r | |
4099 | if (PrivateData->DriverHandle != NULL) {\r | |
4100 | gBS->UninstallMultipleProtocolInterfaces (\r | |
4101 | PrivateData->DriverHandle,\r | |
4102 | &gEfiDevicePathProtocolGuid,\r | |
4103 | &mSecureBootHiiVendorDevicePath,\r | |
4104 | &gEfiHiiConfigAccessProtocolGuid,\r | |
4105 | &PrivateData->ConfigAccess,\r | |
4106 | NULL\r | |
4107 | );\r | |
4108 | PrivateData->DriverHandle = NULL;\r | |
4109 | }\r | |
bc0c99b3 | 4110 | \r |
ecc722ad | 4111 | if (PrivateData->SignatureGUID != NULL) {\r |
4112 | FreePool (PrivateData->SignatureGUID);\r | |
4113 | }\r | |
4114 | \r | |
ecc722ad | 4115 | if (PrivateData->FileContext != NULL) {\r |
4116 | FreePool (PrivateData->FileContext);\r | |
4117 | }\r | |
4118 | \r | |
beda2356 | 4119 | FreePool (PrivateData);\r |
ecc722ad | 4120 | \r |
ecc722ad | 4121 | if (mStartOpCodeHandle != NULL) {\r |
4122 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
4123 | }\r | |
4124 | \r | |
4125 | if (mEndOpCodeHandle != NULL) {\r | |
4126 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
4127 | }\r | |
beda2356 | 4128 | }\r |