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beda2356 | 1 | /** @file\r |
2 | HII Config Access protocol implementation of SecureBoot configuration module.\r | |
3 | \r | |
c035e373 | 4 | Copyright (c) 2011 - 2017, Intel Corporation. All rights reserved.<BR>\r |
bc0c99b3 | 5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
beda2356 | 8 | http://opensource.org/licenses/bsd-license.php\r |
9 | \r | |
bc0c99b3 | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
beda2356 | 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "SecureBootConfigImpl.h"\r | |
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 FS |
51 | BOOLEAN mIsEnterSecureBootForm = FALSE;\r |
52 | \r | |
ecc722ad | 53 | //\r |
54 | // OID ASN.1 Value for Hash Algorithms\r | |
55 | //\r | |
56 | UINT8 mHashOidValue[] = {\r | |
57 | 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, // OBJ_md5\r | |
58 | 0x2B, 0x0E, 0x03, 0x02, 0x1A, // OBJ_sha1\r | |
59 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, // OBJ_sha224\r | |
60 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, // OBJ_sha256\r | |
61 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, // OBJ_sha384\r | |
62 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, // OBJ_sha512\r | |
63 | };\r | |
64 | \r | |
65 | HASH_TABLE mHash[] = {\r | |
20333c6d QL |
66 | { L"SHA224", 28, &mHashOidValue[13], 9, NULL, NULL, NULL, NULL },\r |
67 | { L"SHA256", 32, &mHashOidValue[22], 9, Sha256GetContextSize, Sha256Init, Sha256Update, Sha256Final},\r | |
68 | { L"SHA384", 48, &mHashOidValue[31], 9, Sha384GetContextSize, Sha384Init, Sha384Update, Sha384Final},\r | |
69 | { L"SHA512", 64, &mHashOidValue[40], 9, Sha512GetContextSize, Sha512Init, Sha512Update, Sha512Final}\r | |
ecc722ad | 70 | };\r |
71 | \r | |
e4d7370d | 72 | //\r |
20333c6d QL |
73 | // Variable Definitions\r |
74 | //\r | |
ecc722ad | 75 | UINT32 mPeCoffHeaderOffset = 0;\r |
76 | WIN_CERTIFICATE *mCertificate = NULL;\r | |
77 | IMAGE_TYPE mImageType;\r | |
78 | UINT8 *mImageBase = NULL;\r | |
79 | UINTN mImageSize = 0;\r | |
80 | UINT8 mImageDigest[MAX_DIGEST_SIZE];\r | |
81 | UINTN mImageDigestSize;\r | |
82 | EFI_GUID mCertType;\r | |
83 | EFI_IMAGE_SECURITY_DATA_DIRECTORY *mSecDataDir = NULL;\r | |
84 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION mNtHeader;\r | |
85 | \r | |
e4d7370d | 86 | //\r |
87 | // Possible DER-encoded certificate file suffixes, end with NULL pointer.\r | |
88 | //\r | |
89 | CHAR16* mDerEncodedSuffix[] = {\r | |
90 | L".cer",\r | |
91 | L".der",\r | |
92 | L".crt",\r | |
93 | NULL\r | |
94 | };\r | |
95 | CHAR16* mSupportX509Suffix = L"*.cer/der/crt";\r | |
96 | \r | |
762d8ddb DB |
97 | SECUREBOOT_CONFIG_PRIVATE_DATA *gSecureBootPrivateData = NULL;\r |
98 | \r | |
e4d7370d | 99 | /**\r |
100 | This code checks if the FileSuffix is one of the possible DER-encoded certificate suffix.\r | |
101 | \r | |
102 | @param[in] FileSuffix The suffix of the input certificate file\r | |
103 | \r | |
104 | @retval TRUE It's a DER-encoded certificate.\r | |
105 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
106 | \r | |
107 | **/\r | |
108 | BOOLEAN\r | |
109 | IsDerEncodeCertificate (\r | |
110 | IN CONST CHAR16 *FileSuffix\r | |
111 | )\r | |
112 | {\r | |
20333c6d | 113 | UINTN Index;\r |
e4d7370d | 114 | for (Index = 0; mDerEncodedSuffix[Index] != NULL; Index++) {\r |
115 | if (StrCmp (FileSuffix, mDerEncodedSuffix[Index]) == 0) {\r | |
116 | return TRUE;\r | |
117 | }\r | |
118 | }\r | |
119 | return FALSE;\r | |
120 | }\r | |
ecc722ad | 121 | \r |
122 | /**\r | |
123 | Set Secure Boot option into variable space.\r | |
124 | \r | |
125 | @param[in] VarValue The option of Secure Boot.\r | |
126 | \r | |
127 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
128 | @retval Others Other errors as indicated.\r | |
129 | \r | |
130 | **/\r | |
131 | EFI_STATUS\r | |
132 | SaveSecureBootVariable (\r | |
133 | IN UINT8 VarValue\r | |
134 | )\r | |
135 | {\r | |
136 | EFI_STATUS Status;\r | |
137 | \r | |
138 | Status = gRT->SetVariable (\r | |
139 | EFI_SECURE_BOOT_ENABLE_NAME,\r | |
140 | &gEfiSecureBootEnableDisableGuid,\r | |
141 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
142 | sizeof (UINT8),\r | |
143 | &VarValue\r | |
144 | );\r | |
145 | return Status;\r | |
146 | }\r | |
147 | \r | |
8c1babfd | 148 | /**\r |
149 | Create a time based data payload by concatenating the EFI_VARIABLE_AUTHENTICATION_2\r | |
150 | descriptor with the input data. NO authentication is required in this function.\r | |
20333c6d | 151 | \r |
8c1babfd | 152 | @param[in, out] DataSize On input, the size of Data buffer in bytes.\r |
153 | On output, the size of data returned in Data\r | |
154 | buffer in bytes.\r | |
20333c6d | 155 | @param[in, out] Data On input, Pointer to data buffer to be wrapped or\r |
8c1babfd | 156 | pointer to NULL to wrap an empty payload.\r |
157 | On output, Pointer to the new payload date buffer allocated from pool,\r | |
20333c6d | 158 | it's caller's responsibility to free the memory when finish using it.\r |
8c1babfd | 159 | \r |
160 | @retval EFI_SUCCESS Create time based payload successfully.\r | |
161 | @retval EFI_OUT_OF_RESOURCES There are not enough memory resourses to create time based payload.\r | |
162 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
163 | @retval Others Unexpected error happens.\r | |
164 | \r | |
165 | **/\r | |
166 | EFI_STATUS\r | |
167 | CreateTimeBasedPayload (\r | |
168 | IN OUT UINTN *DataSize,\r | |
169 | IN OUT UINT8 **Data\r | |
170 | )\r | |
171 | {\r | |
172 | EFI_STATUS Status;\r | |
173 | UINT8 *NewData;\r | |
174 | UINT8 *Payload;\r | |
175 | UINTN PayloadSize;\r | |
176 | EFI_VARIABLE_AUTHENTICATION_2 *DescriptorData;\r | |
177 | UINTN DescriptorSize;\r | |
178 | EFI_TIME Time;\r | |
20333c6d | 179 | \r |
8c1babfd | 180 | if (Data == NULL || DataSize == NULL) {\r |
181 | return EFI_INVALID_PARAMETER;\r | |
182 | }\r | |
20333c6d | 183 | \r |
8c1babfd | 184 | //\r |
20333c6d | 185 | // In Setup mode or Custom mode, the variable does not need to be signed but the\r |
8c1babfd | 186 | // parameters to the SetVariable() call still need to be prepared as authenticated\r |
187 | // variable. So we create EFI_VARIABLE_AUTHENTICATED_2 descriptor without certificate\r | |
188 | // data in it.\r | |
189 | //\r | |
190 | Payload = *Data;\r | |
191 | PayloadSize = *DataSize;\r | |
20333c6d | 192 | \r |
8c1babfd | 193 | DescriptorSize = OFFSET_OF (EFI_VARIABLE_AUTHENTICATION_2, AuthInfo) + OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
194 | NewData = (UINT8*) AllocateZeroPool (DescriptorSize + PayloadSize);\r | |
195 | if (NewData == NULL) {\r | |
196 | return EFI_OUT_OF_RESOURCES;\r | |
197 | }\r | |
198 | \r | |
199 | if ((Payload != NULL) && (PayloadSize != 0)) {\r | |
200 | CopyMem (NewData + DescriptorSize, Payload, PayloadSize);\r | |
201 | }\r | |
202 | \r | |
203 | DescriptorData = (EFI_VARIABLE_AUTHENTICATION_2 *) (NewData);\r | |
204 | \r | |
205 | ZeroMem (&Time, sizeof (EFI_TIME));\r | |
206 | Status = gRT->GetTime (&Time, NULL);\r | |
207 | if (EFI_ERROR (Status)) {\r | |
208 | FreePool(NewData);\r | |
209 | return Status;\r | |
210 | }\r | |
211 | Time.Pad1 = 0;\r | |
212 | Time.Nanosecond = 0;\r | |
213 | Time.TimeZone = 0;\r | |
214 | Time.Daylight = 0;\r | |
215 | Time.Pad2 = 0;\r | |
216 | CopyMem (&DescriptorData->TimeStamp, &Time, sizeof (EFI_TIME));\r | |
20333c6d | 217 | \r |
8c1babfd | 218 | DescriptorData->AuthInfo.Hdr.dwLength = OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
219 | DescriptorData->AuthInfo.Hdr.wRevision = 0x0200;\r | |
220 | DescriptorData->AuthInfo.Hdr.wCertificateType = WIN_CERT_TYPE_EFI_GUID;\r | |
221 | CopyGuid (&DescriptorData->AuthInfo.CertType, &gEfiCertPkcs7Guid);\r | |
20333c6d | 222 | \r |
8c1babfd | 223 | if (Payload != NULL) {\r |
224 | FreePool(Payload);\r | |
225 | }\r | |
20333c6d | 226 | \r |
8c1babfd | 227 | *DataSize = DescriptorSize + PayloadSize;\r |
228 | *Data = NewData;\r | |
229 | return EFI_SUCCESS;\r | |
230 | }\r | |
231 | \r | |
ecc722ad | 232 | /**\r |
233 | Internal helper function to delete a Variable given its name and GUID, NO authentication\r | |
234 | required.\r | |
235 | \r | |
236 | @param[in] VariableName Name of the Variable.\r | |
237 | @param[in] VendorGuid GUID of the Variable.\r | |
238 | \r | |
239 | @retval EFI_SUCCESS Variable deleted successfully.\r | |
240 | @retval Others The driver failed to start the device.\r | |
241 | \r | |
242 | **/\r | |
243 | EFI_STATUS\r | |
244 | DeleteVariable (\r | |
245 | IN CHAR16 *VariableName,\r | |
246 | IN EFI_GUID *VendorGuid\r | |
247 | )\r | |
248 | {\r | |
249 | EFI_STATUS Status;\r | |
250 | VOID* Variable;\r | |
8c1babfd | 251 | UINT8 *Data;\r |
252 | UINTN DataSize;\r | |
253 | UINT32 Attr;\r | |
ecc722ad | 254 | \r |
bf4a3dbd | 255 | GetVariable2 (VariableName, VendorGuid, &Variable, NULL);\r |
ecc722ad | 256 | if (Variable == NULL) {\r |
257 | return EFI_SUCCESS;\r | |
258 | }\r | |
f71ed839 | 259 | FreePool (Variable);\r |
ecc722ad | 260 | \r |
8c1babfd | 261 | Data = NULL;\r |
262 | DataSize = 0;\r | |
263 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
264 | | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
ecc722ad | 265 | \r |
8c1babfd | 266 | Status = CreateTimeBasedPayload (&DataSize, &Data);\r |
267 | if (EFI_ERROR (Status)) {\r | |
268 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
269 | return Status;\r | |
ecc722ad | 270 | }\r |
271 | \r | |
8c1babfd | 272 | Status = gRT->SetVariable (\r |
273 | VariableName,\r | |
274 | VendorGuid,\r | |
275 | Attr,\r | |
276 | DataSize,\r | |
277 | Data\r | |
278 | );\r | |
279 | if (Data != NULL) {\r | |
280 | FreePool (Data);\r | |
ecc722ad | 281 | }\r |
ecc722ad | 282 | return Status;\r |
283 | }\r | |
284 | \r | |
f71ed839 | 285 | /**\r |
286 | \r | |
287 | Set the platform secure boot mode into "Custom" or "Standard" mode.\r | |
288 | \r | |
289 | @param[in] SecureBootMode New secure boot mode: STANDARD_SECURE_BOOT_MODE or\r | |
290 | CUSTOM_SECURE_BOOT_MODE.\r | |
20333c6d | 291 | \r |
f71ed839 | 292 | @return EFI_SUCCESS The platform has switched to the special mode successfully.\r |
293 | @return other Fail to operate the secure boot mode.\r | |
20333c6d | 294 | \r |
f71ed839 | 295 | **/\r |
296 | EFI_STATUS\r | |
297 | SetSecureBootMode (\r | |
298 | IN UINT8 SecureBootMode\r | |
299 | )\r | |
300 | {\r | |
20333c6d | 301 | return gRT->SetVariable (\r |
f71ed839 | 302 | EFI_CUSTOM_MODE_NAME,\r |
303 | &gEfiCustomModeEnableGuid,\r | |
304 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
305 | sizeof (UINT8),\r | |
306 | &SecureBootMode\r | |
307 | );\r | |
308 | }\r | |
309 | \r | |
ecc722ad | 310 | /**\r |
311 | Generate the PK signature list from the X509 Certificate storing file (.cer)\r | |
312 | \r | |
313 | @param[in] X509File FileHandle of X509 Certificate storing file.\r | |
314 | @param[out] PkCert Point to the data buffer to store the signature list.\r | |
20333c6d | 315 | \r |
ecc722ad | 316 | @return EFI_UNSUPPORTED Unsupported Key Length.\r |
317 | @return EFI_OUT_OF_RESOURCES There are not enough memory resourses to form the signature list.\r | |
20333c6d | 318 | \r |
ecc722ad | 319 | **/\r |
320 | EFI_STATUS\r | |
321 | CreatePkX509SignatureList (\r | |
20333c6d QL |
322 | IN EFI_FILE_HANDLE X509File,\r |
323 | OUT EFI_SIGNATURE_LIST **PkCert\r | |
ecc722ad | 324 | )\r |
325 | {\r | |
20333c6d | 326 | EFI_STATUS Status;\r |
ecc722ad | 327 | UINT8 *X509Data;\r |
328 | UINTN X509DataSize;\r | |
329 | EFI_SIGNATURE_DATA *PkCertData;\r | |
330 | \r | |
331 | X509Data = NULL;\r | |
332 | PkCertData = NULL;\r | |
20333c6d QL |
333 | X509DataSize = 0;\r |
334 | \r | |
4adc12bf | 335 | Status = ReadFileContent (X509File, (VOID**) &X509Data, &X509DataSize, 0);\r |
ecc722ad | 336 | if (EFI_ERROR (Status)) {\r |
337 | goto ON_EXIT;\r | |
338 | }\r | |
ba57d4fd | 339 | ASSERT (X509Data != NULL);\r |
ecc722ad | 340 | \r |
341 | //\r | |
342 | // Allocate space for PK certificate list and initialize it.\r | |
343 | // Create PK database entry with SignatureHeaderSize equals 0.\r | |
344 | //\r | |
345 | *PkCert = (EFI_SIGNATURE_LIST*) AllocateZeroPool (\r | |
346 | sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
347 | + X509DataSize\r | |
348 | );\r | |
349 | if (*PkCert == NULL) {\r | |
350 | Status = EFI_OUT_OF_RESOURCES;\r | |
351 | goto ON_EXIT;\r | |
352 | }\r | |
353 | \r | |
20333c6d | 354 | (*PkCert)->SignatureListSize = (UINT32) (sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 355 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
356 | + X509DataSize);\r | |
357 | (*PkCert)->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
358 | (*PkCert)->SignatureHeaderSize = 0;\r | |
359 | CopyGuid (&(*PkCert)->SignatureType, &gEfiCertX509Guid);\r | |
20333c6d | 360 | PkCertData = (EFI_SIGNATURE_DATA*) ((UINTN)(*PkCert)\r |
ecc722ad | 361 | + sizeof(EFI_SIGNATURE_LIST)\r |
362 | + (*PkCert)->SignatureHeaderSize);\r | |
20333c6d | 363 | CopyGuid (&PkCertData->SignatureOwner, &gEfiGlobalVariableGuid);\r |
ecc722ad | 364 | //\r |
365 | // Fill the PK database with PKpub data from X509 certificate file.\r | |
20333c6d | 366 | //\r |
ecc722ad | 367 | CopyMem (&(PkCertData->SignatureData[0]), X509Data, X509DataSize);\r |
20333c6d | 368 | \r |
ecc722ad | 369 | ON_EXIT:\r |
20333c6d | 370 | \r |
ecc722ad | 371 | if (X509Data != NULL) {\r |
372 | FreePool (X509Data);\r | |
373 | }\r | |
20333c6d | 374 | \r |
ecc722ad | 375 | if (EFI_ERROR(Status) && *PkCert != NULL) {\r |
376 | FreePool (*PkCert);\r | |
377 | *PkCert = NULL;\r | |
378 | }\r | |
20333c6d | 379 | \r |
ecc722ad | 380 | return Status;\r |
381 | }\r | |
382 | \r | |
383 | /**\r | |
384 | Enroll new PK into the System without original PK's authentication.\r | |
385 | \r | |
386 | The SignatureOwner GUID will be the same with PK's vendorguid.\r | |
387 | \r | |
388 | @param[in] PrivateData The module's private data.\r | |
389 | \r | |
390 | @retval EFI_SUCCESS New PK enrolled successfully.\r | |
391 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
392 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 393 | \r |
ecc722ad | 394 | **/\r |
395 | EFI_STATUS\r | |
396 | EnrollPlatformKey (\r | |
397 | IN SECUREBOOT_CONFIG_PRIVATE_DATA* Private\r | |
20333c6d | 398 | )\r |
ecc722ad | 399 | {\r |
400 | EFI_STATUS Status;\r | |
401 | UINT32 Attr;\r | |
402 | UINTN DataSize;\r | |
403 | EFI_SIGNATURE_LIST *PkCert;\r | |
404 | UINT16* FilePostFix;\r | |
fd64f84f | 405 | UINTN NameLength;\r |
20333c6d | 406 | \r |
ecc722ad | 407 | if (Private->FileContext->FileName == NULL) {\r |
408 | return EFI_INVALID_PARAMETER;\r | |
409 | }\r | |
410 | \r | |
411 | PkCert = NULL;\r | |
412 | \r | |
f71ed839 | 413 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
414 | if (EFI_ERROR (Status)) {\r | |
415 | return Status;\r | |
416 | }\r | |
417 | \r | |
ecc722ad | 418 | //\r |
e4d7370d | 419 | // Parse the file's postfix. Only support DER encoded X.509 certificate files.\r |
ecc722ad | 420 | //\r |
fd64f84f GCPL |
421 | NameLength = StrLen (Private->FileContext->FileName);\r |
422 | if (NameLength <= 4) {\r | |
423 | return EFI_INVALID_PARAMETER;\r | |
424 | }\r | |
425 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
e4d7370d | 426 | if (!IsDerEncodeCertificate(FilePostFix)) {\r |
427 | DEBUG ((EFI_D_ERROR, "Unsupported file type, only DER encoded certificate (%s) is supported.", mSupportX509Suffix));\r | |
ecc722ad | 428 | return EFI_INVALID_PARAMETER;\r |
429 | }\r | |
430 | DEBUG ((EFI_D_INFO, "FileName= %s\n", Private->FileContext->FileName));\r | |
431 | DEBUG ((EFI_D_INFO, "FilePostFix = %s\n", FilePostFix));\r | |
432 | \r | |
433 | //\r | |
434 | // Prase the selected PK file and generature PK certificate list.\r | |
435 | //\r | |
8c1babfd | 436 | Status = CreatePkX509SignatureList (\r |
20333c6d QL |
437 | Private->FileContext->FHandle,\r |
438 | &PkCert\r | |
8c1babfd | 439 | );\r |
440 | if (EFI_ERROR (Status)) {\r | |
441 | goto ON_EXIT;\r | |
ecc722ad | 442 | }\r |
ba57d4fd | 443 | ASSERT (PkCert != NULL);\r |
20333c6d | 444 | \r |
ecc722ad | 445 | //\r |
446 | // Set Platform Key variable.\r | |
20333c6d QL |
447 | //\r |
448 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 449 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
ecc722ad | 450 | DataSize = PkCert->SignatureListSize;\r |
8c1babfd | 451 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &PkCert);\r |
452 | if (EFI_ERROR (Status)) {\r | |
453 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
454 | goto ON_EXIT;\r | |
455 | }\r | |
20333c6d | 456 | \r |
ecc722ad | 457 | Status = gRT->SetVariable(\r |
20333c6d QL |
458 | EFI_PLATFORM_KEY_NAME,\r |
459 | &gEfiGlobalVariableGuid,\r | |
460 | Attr,\r | |
461 | DataSize,\r | |
ecc722ad | 462 | PkCert\r |
463 | );\r | |
464 | if (EFI_ERROR (Status)) {\r | |
465 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
466 | DEBUG ((EFI_D_ERROR, "Enroll PK failed with out of resource.\n"));\r | |
467 | }\r | |
468 | goto ON_EXIT;\r | |
469 | }\r | |
20333c6d | 470 | \r |
ecc722ad | 471 | ON_EXIT:\r |
472 | \r | |
473 | if (PkCert != NULL) {\r | |
474 | FreePool(PkCert);\r | |
475 | }\r | |
20333c6d | 476 | \r |
ecc722ad | 477 | if (Private->FileContext->FHandle != NULL) {\r |
478 | CloseFile (Private->FileContext->FHandle);\r | |
479 | Private->FileContext->FHandle = NULL;\r | |
480 | }\r | |
481 | \r | |
482 | return Status;\r | |
483 | }\r | |
484 | \r | |
485 | /**\r | |
486 | Remove the PK variable.\r | |
487 | \r | |
488 | @retval EFI_SUCCESS Delete PK successfully.\r | |
489 | @retval Others Could not allow to delete PK.\r | |
20333c6d | 490 | \r |
ecc722ad | 491 | **/\r |
492 | EFI_STATUS\r | |
493 | DeletePlatformKey (\r | |
494 | VOID\r | |
495 | )\r | |
496 | {\r | |
497 | EFI_STATUS Status;\r | |
498 | \r | |
f71ed839 | 499 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
500 | if (EFI_ERROR (Status)) {\r | |
501 | return Status;\r | |
502 | }\r | |
503 | \r | |
8c1babfd | 504 | Status = DeleteVariable (\r |
505 | EFI_PLATFORM_KEY_NAME,\r | |
506 | &gEfiGlobalVariableGuid\r | |
507 | );\r | |
ecc722ad | 508 | return Status;\r |
509 | }\r | |
510 | \r | |
511 | /**\r | |
512 | Enroll a new KEK item from public key storing file (*.pbk).\r | |
513 | \r | |
514 | @param[in] PrivateData The module's private data.\r | |
515 | \r | |
516 | @retval EFI_SUCCESS New KEK enrolled successfully.\r | |
517 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
518 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
519 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
520 | \r | |
521 | **/\r | |
522 | EFI_STATUS\r | |
523 | EnrollRsa2048ToKek (\r | |
524 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
525 | )\r | |
526 | {\r | |
527 | EFI_STATUS Status;\r | |
528 | UINT32 Attr;\r | |
529 | UINTN DataSize;\r | |
530 | EFI_SIGNATURE_LIST *KekSigList;\r | |
531 | UINTN KeyBlobSize;\r | |
532 | UINT8 *KeyBlob;\r | |
533 | CPL_KEY_INFO *KeyInfo;\r | |
534 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
535 | UINTN KekSigListSize;\r | |
20333c6d | 536 | UINT8 *KeyBuffer;\r |
ecc722ad | 537 | UINTN KeyLenInBytes;\r |
538 | \r | |
539 | Attr = 0;\r | |
540 | DataSize = 0;\r | |
541 | KeyBuffer = NULL;\r | |
542 | KeyBlobSize = 0;\r | |
543 | KeyBlob = NULL;\r | |
544 | KeyInfo = NULL;\r | |
545 | KEKSigData = NULL;\r | |
546 | KekSigList = NULL;\r | |
547 | KekSigListSize = 0;\r | |
20333c6d | 548 | \r |
ecc722ad | 549 | //\r |
550 | // Form the KeKpub certificate list into EFI_SIGNATURE_LIST type.\r | |
551 | // First, We have to parse out public key data from the pbk key file.\r | |
20333c6d | 552 | //\r |
ecc722ad | 553 | Status = ReadFileContent (\r |
554 | Private->FileContext->FHandle,\r | |
4adc12bf | 555 | (VOID**) &KeyBlob,\r |
ecc722ad | 556 | &KeyBlobSize,\r |
557 | 0\r | |
558 | );\r | |
559 | if (EFI_ERROR (Status)) {\r | |
560 | goto ON_EXIT;\r | |
561 | }\r | |
ba57d4fd | 562 | ASSERT (KeyBlob != NULL);\r |
ecc722ad | 563 | KeyInfo = (CPL_KEY_INFO *) KeyBlob;\r |
564 | if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {\r | |
565 | DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));\r | |
566 | Status = EFI_UNSUPPORTED;\r | |
567 | goto ON_EXIT;\r | |
568 | }\r | |
20333c6d | 569 | \r |
ecc722ad | 570 | //\r |
571 | // Convert the Public key to fix octet string format represented in RSA PKCS#1.\r | |
20333c6d | 572 | //\r |
ecc722ad | 573 | KeyLenInBytes = KeyInfo->KeyLengthInBits / 8;\r |
574 | KeyBuffer = AllocateZeroPool (KeyLenInBytes);\r | |
575 | if (KeyBuffer == NULL) {\r | |
576 | Status = EFI_OUT_OF_RESOURCES;\r | |
577 | goto ON_EXIT;\r | |
578 | }\r | |
579 | Int2OctStr (\r | |
20333c6d QL |
580 | (UINTN*) (KeyBlob + sizeof (CPL_KEY_INFO)),\r |
581 | KeyLenInBytes / sizeof (UINTN),\r | |
582 | KeyBuffer,\r | |
ecc722ad | 583 | KeyLenInBytes\r |
584 | );\r | |
585 | CopyMem(KeyBlob + sizeof(CPL_KEY_INFO), KeyBuffer, KeyLenInBytes);\r | |
20333c6d | 586 | \r |
ecc722ad | 587 | //\r |
588 | // Form an new EFI_SIGNATURE_LIST.\r | |
589 | //\r | |
590 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
591 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
592 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
593 | \r | |
594 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
595 | if (KekSigList == NULL) {\r | |
596 | Status = EFI_OUT_OF_RESOURCES;\r | |
597 | goto ON_EXIT;\r | |
598 | }\r | |
599 | \r | |
600 | KekSigList->SignatureListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
601 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
602 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
603 | KekSigList->SignatureHeaderSize = 0;\r | |
604 | KekSigList->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
605 | CopyGuid (&KekSigList->SignatureType, &gEfiCertRsa2048Guid);\r | |
20333c6d | 606 | \r |
ecc722ad | 607 | KEKSigData = (EFI_SIGNATURE_DATA*)((UINT8*)KekSigList + sizeof(EFI_SIGNATURE_LIST));\r |
608 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
609 | CopyMem (\r | |
610 | KEKSigData->SignatureData,\r | |
611 | KeyBlob + sizeof(CPL_KEY_INFO),\r | |
612 | WIN_CERT_UEFI_RSA2048_SIZE\r | |
613 | );\r | |
20333c6d | 614 | \r |
ecc722ad | 615 | //\r |
20333c6d QL |
616 | // Check if KEK entry has been already existed.\r |
617 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 618 | // new KEK to original variable.\r |
20333c6d QL |
619 | //\r |
620 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 621 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
622 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
623 | if (EFI_ERROR (Status)) {\r | |
624 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
625 | goto ON_EXIT;\r | |
626 | }\r | |
627 | \r | |
ecc722ad | 628 | Status = gRT->GetVariable(\r |
20333c6d QL |
629 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
630 | &gEfiGlobalVariableGuid,\r | |
631 | NULL,\r | |
632 | &DataSize,\r | |
ecc722ad | 633 | NULL\r |
634 | );\r | |
635 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
636 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
637 | } else if (Status != EFI_NOT_FOUND) {\r | |
638 | goto ON_EXIT;\r | |
639 | }\r | |
20333c6d | 640 | \r |
ecc722ad | 641 | //\r |
642 | // Done. Now we have formed the correct KEKpub database item, just set it into variable storage,\r | |
20333c6d | 643 | //\r |
ecc722ad | 644 | Status = gRT->SetVariable(\r |
20333c6d QL |
645 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
646 | &gEfiGlobalVariableGuid,\r | |
647 | Attr,\r | |
648 | KekSigListSize,\r | |
ecc722ad | 649 | KekSigList\r |
650 | );\r | |
651 | if (EFI_ERROR (Status)) {\r | |
652 | goto ON_EXIT;\r | |
653 | }\r | |
20333c6d | 654 | \r |
ecc722ad | 655 | ON_EXIT:\r |
656 | \r | |
657 | CloseFile (Private->FileContext->FHandle);\r | |
658 | Private->FileContext->FHandle = NULL;\r | |
762d8ddb DB |
659 | \r |
660 | if (Private->FileContext->FileName != NULL){\r | |
661 | FreePool(Private->FileContext->FileName);\r | |
662 | Private->FileContext->FileName = NULL;\r | |
663 | }\r | |
ecc722ad | 664 | \r |
665 | if (Private->SignatureGUID != NULL) {\r | |
666 | FreePool (Private->SignatureGUID);\r | |
667 | Private->SignatureGUID = NULL;\r | |
668 | }\r | |
669 | \r | |
670 | if (KeyBlob != NULL) {\r | |
671 | FreePool (KeyBlob);\r | |
672 | }\r | |
673 | if (KeyBuffer != NULL) {\r | |
674 | FreePool (KeyBuffer);\r | |
675 | }\r | |
676 | if (KekSigList != NULL) {\r | |
677 | FreePool (KekSigList);\r | |
678 | }\r | |
20333c6d | 679 | \r |
ecc722ad | 680 | return Status;\r |
681 | }\r | |
682 | \r | |
683 | /**\r | |
684 | Enroll a new KEK item from X509 certificate file.\r | |
685 | \r | |
686 | @param[in] PrivateData The module's private data.\r | |
687 | \r | |
688 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
689 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
690 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
691 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
692 | \r | |
693 | **/\r | |
694 | EFI_STATUS\r | |
695 | EnrollX509ToKek (\r | |
696 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
20333c6d | 697 | )\r |
ecc722ad | 698 | {\r |
699 | EFI_STATUS Status;\r | |
700 | UINTN X509DataSize;\r | |
701 | VOID *X509Data;\r | |
702 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
703 | EFI_SIGNATURE_LIST *KekSigList;\r | |
704 | UINTN DataSize;\r | |
705 | UINTN KekSigListSize;\r | |
706 | UINT32 Attr;\r | |
707 | \r | |
708 | X509Data = NULL;\r | |
709 | X509DataSize = 0;\r | |
710 | KekSigList = NULL;\r | |
711 | KekSigListSize = 0;\r | |
712 | DataSize = 0;\r | |
713 | KEKSigData = NULL;\r | |
714 | \r | |
715 | Status = ReadFileContent (\r | |
716 | Private->FileContext->FHandle,\r | |
717 | &X509Data,\r | |
718 | &X509DataSize,\r | |
719 | 0\r | |
720 | );\r | |
721 | if (EFI_ERROR (Status)) {\r | |
722 | goto ON_EXIT;\r | |
723 | }\r | |
ba57d4fd | 724 | ASSERT (X509Data != NULL);\r |
ecc722ad | 725 | \r |
726 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
727 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
728 | if (KekSigList == NULL) {\r | |
729 | Status = EFI_OUT_OF_RESOURCES;\r | |
730 | goto ON_EXIT;\r | |
731 | }\r | |
732 | \r | |
733 | //\r | |
734 | // Fill Certificate Database parameters.\r | |
20333c6d | 735 | //\r |
ecc722ad | 736 | KekSigList->SignatureListSize = (UINT32) KekSigListSize;\r |
737 | KekSigList->SignatureHeaderSize = 0;\r | |
738 | KekSigList->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
739 | CopyGuid (&KekSigList->SignatureType, &gEfiCertX509Guid);\r | |
740 | \r | |
741 | KEKSigData = (EFI_SIGNATURE_DATA*) ((UINT8*) KekSigList + sizeof (EFI_SIGNATURE_LIST));\r | |
742 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
743 | CopyMem (KEKSigData->SignatureData, X509Data, X509DataSize);\r | |
744 | \r | |
745 | //\r | |
20333c6d QL |
746 | // Check if KEK been already existed.\r |
747 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 748 | // new kek to original variable\r |
20333c6d QL |
749 | //\r |
750 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 751 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
752 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
753 | if (EFI_ERROR (Status)) {\r | |
754 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
755 | goto ON_EXIT;\r | |
756 | }\r | |
20333c6d | 757 | \r |
ecc722ad | 758 | Status = gRT->GetVariable(\r |
20333c6d QL |
759 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
760 | &gEfiGlobalVariableGuid,\r | |
761 | NULL,\r | |
762 | &DataSize,\r | |
ecc722ad | 763 | NULL\r |
764 | );\r | |
765 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
766 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
767 | } else if (Status != EFI_NOT_FOUND) {\r | |
768 | goto ON_EXIT;\r | |
20333c6d | 769 | }\r |
ecc722ad | 770 | \r |
771 | Status = gRT->SetVariable(\r | |
20333c6d QL |
772 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
773 | &gEfiGlobalVariableGuid,\r | |
774 | Attr,\r | |
ecc722ad | 775 | KekSigListSize,\r |
776 | KekSigList\r | |
777 | );\r | |
778 | if (EFI_ERROR (Status)) {\r | |
779 | goto ON_EXIT;\r | |
780 | }\r | |
781 | \r | |
782 | ON_EXIT:\r | |
20333c6d QL |
783 | \r |
784 | CloseFile (Private->FileContext->FHandle);\r | |
762d8ddb DB |
785 | if (Private->FileContext->FileName != NULL){\r |
786 | FreePool(Private->FileContext->FileName);\r | |
787 | Private->FileContext->FileName = NULL;\r | |
788 | }\r | |
789 | \r | |
20333c6d QL |
790 | Private->FileContext->FHandle = NULL;\r |
791 | \r | |
792 | if (Private->SignatureGUID != NULL) {\r | |
793 | FreePool (Private->SignatureGUID);\r | |
794 | Private->SignatureGUID = NULL;\r | |
795 | }\r | |
796 | \r | |
797 | if (KekSigList != NULL) {\r | |
798 | FreePool (KekSigList);\r | |
799 | }\r | |
800 | \r | |
801 | return Status;\r | |
802 | }\r | |
803 | \r | |
804 | /**\r | |
805 | Enroll new KEK into the System without PK's authentication.\r | |
806 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
807 | \r | |
808 | @param[in] PrivateData The module's private data.\r | |
809 | \r | |
810 | @retval EFI_SUCCESS New KEK enrolled successful.\r | |
811 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
812 | @retval others Fail to enroll KEK data.\r | |
813 | \r | |
814 | **/\r | |
815 | EFI_STATUS\r | |
816 | EnrollKeyExchangeKey (\r | |
817 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
818 | )\r | |
819 | {\r | |
820 | UINT16* FilePostFix;\r | |
821 | EFI_STATUS Status;\r | |
822 | UINTN NameLength;\r | |
823 | \r | |
824 | if ((Private->FileContext->FileName == NULL) || (Private->SignatureGUID == NULL)) {\r | |
825 | return EFI_INVALID_PARAMETER;\r | |
826 | }\r | |
827 | \r | |
828 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
829 | if (EFI_ERROR (Status)) {\r | |
830 | return Status;\r | |
831 | }\r | |
832 | \r | |
833 | //\r | |
834 | // Parse the file's postfix. Supports DER-encoded X509 certificate,\r | |
835 | // and .pbk as RSA public key file.\r | |
836 | //\r | |
837 | NameLength = StrLen (Private->FileContext->FileName);\r | |
838 | if (NameLength <= 4) {\r | |
839 | return EFI_INVALID_PARAMETER;\r | |
840 | }\r | |
841 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
842 | if (IsDerEncodeCertificate(FilePostFix)) {\r | |
843 | return EnrollX509ToKek (Private);\r | |
844 | } else if (CompareMem (FilePostFix, L".pbk",4) == 0) {\r | |
845 | return EnrollRsa2048ToKek (Private);\r | |
846 | } else {\r | |
847 | return EFI_INVALID_PARAMETER;\r | |
848 | }\r | |
849 | }\r | |
850 | \r | |
851 | /**\r | |
852 | Enroll a new X509 certificate into Signature Database (DB or DBX or DBT) without\r | |
853 | KEK's authentication.\r | |
854 | \r | |
855 | @param[in] PrivateData The module's private data.\r | |
856 | @param[in] VariableName Variable name of signature database, must be\r | |
857 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
858 | \r | |
859 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
860 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
861 | \r | |
862 | **/\r | |
863 | EFI_STATUS\r | |
864 | EnrollX509toSigDB (\r | |
865 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
866 | IN CHAR16 *VariableName\r | |
867 | )\r | |
868 | {\r | |
869 | EFI_STATUS Status;\r | |
870 | UINTN X509DataSize;\r | |
871 | VOID *X509Data;\r | |
872 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
873 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
874 | VOID *Data;\r | |
875 | UINTN DataSize;\r | |
876 | UINTN SigDBSize;\r | |
877 | UINT32 Attr;\r | |
878 | \r | |
879 | X509DataSize = 0;\r | |
880 | SigDBSize = 0;\r | |
881 | DataSize = 0;\r | |
882 | X509Data = NULL;\r | |
883 | SigDBCert = NULL;\r | |
884 | SigDBCertData = NULL;\r | |
885 | Data = NULL;\r | |
886 | \r | |
887 | Status = ReadFileContent (\r | |
888 | Private->FileContext->FHandle,\r | |
889 | &X509Data,\r | |
890 | &X509DataSize,\r | |
891 | 0\r | |
892 | );\r | |
893 | if (EFI_ERROR (Status)) {\r | |
894 | goto ON_EXIT;\r | |
895 | }\r | |
896 | ASSERT (X509Data != NULL);\r | |
897 | \r | |
898 | SigDBSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
899 | \r | |
900 | Data = AllocateZeroPool (SigDBSize);\r | |
901 | if (Data == NULL) {\r | |
902 | Status = EFI_OUT_OF_RESOURCES;\r | |
903 | goto ON_EXIT;\r | |
904 | }\r | |
905 | \r | |
906 | //\r | |
907 | // Fill Certificate Database parameters.\r | |
908 | //\r | |
909 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r | |
910 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
911 | SigDBCert->SignatureHeaderSize = 0;\r | |
912 | SigDBCert->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
913 | CopyGuid (&SigDBCert->SignatureType, &gEfiCertX509Guid);\r | |
914 | \r | |
915 | SigDBCertData = (EFI_SIGNATURE_DATA*) ((UINT8* ) SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r | |
916 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
917 | CopyMem ((UINT8* ) (SigDBCertData->SignatureData), X509Data, X509DataSize);\r | |
918 | \r | |
919 | //\r | |
920 | // Check if signature database entry has been already existed.\r | |
921 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
922 | // new signature data to original variable\r | |
923 | //\r | |
924 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
925 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
926 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
927 | if (EFI_ERROR (Status)) {\r | |
928 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
929 | goto ON_EXIT;\r | |
930 | }\r | |
931 | \r | |
932 | Status = gRT->GetVariable(\r | |
933 | VariableName,\r | |
934 | &gEfiImageSecurityDatabaseGuid,\r | |
935 | NULL,\r | |
936 | &DataSize,\r | |
937 | NULL\r | |
938 | );\r | |
939 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
940 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
941 | } else if (Status != EFI_NOT_FOUND) {\r | |
942 | goto ON_EXIT;\r | |
943 | }\r | |
944 | \r | |
945 | Status = gRT->SetVariable(\r | |
946 | VariableName,\r | |
947 | &gEfiImageSecurityDatabaseGuid,\r | |
948 | Attr,\r | |
949 | SigDBSize,\r | |
950 | Data\r | |
951 | );\r | |
952 | if (EFI_ERROR (Status)) {\r | |
953 | goto ON_EXIT;\r | |
954 | }\r | |
955 | \r | |
956 | ON_EXIT:\r | |
957 | \r | |
958 | CloseFile (Private->FileContext->FHandle);\r | |
762d8ddb DB |
959 | if (Private->FileContext->FileName != NULL){\r |
960 | FreePool(Private->FileContext->FileName);\r | |
961 | Private->FileContext->FileName = NULL;\r | |
962 | }\r | |
963 | \r | |
20333c6d QL |
964 | Private->FileContext->FHandle = NULL;\r |
965 | \r | |
966 | if (Private->SignatureGUID != NULL) {\r | |
967 | FreePool (Private->SignatureGUID);\r | |
968 | Private->SignatureGUID = NULL;\r | |
969 | }\r | |
970 | \r | |
971 | if (Data != NULL) {\r | |
972 | FreePool (Data);\r | |
973 | }\r | |
974 | \r | |
975 | if (X509Data != NULL) {\r | |
976 | FreePool (X509Data);\r | |
977 | }\r | |
978 | \r | |
979 | return Status;\r | |
980 | }\r | |
981 | \r | |
982 | /**\r | |
983 | Check whether signature is in specified database.\r | |
984 | \r | |
985 | @param[in] VariableName Name of database variable that is searched in.\r | |
986 | @param[in] Signature Pointer to signature that is searched for.\r | |
987 | @param[in] SignatureSize Size of Signature.\r | |
988 | \r | |
989 | @return TRUE Found the signature in the variable database.\r | |
990 | @return FALSE Not found the signature in the variable database.\r | |
991 | \r | |
992 | **/\r | |
993 | BOOLEAN\r | |
994 | IsSignatureFoundInDatabase (\r | |
995 | IN CHAR16 *VariableName,\r | |
996 | IN UINT8 *Signature,\r | |
997 | IN UINTN SignatureSize\r | |
998 | )\r | |
999 | {\r | |
1000 | EFI_STATUS Status;\r | |
1001 | EFI_SIGNATURE_LIST *CertList;\r | |
1002 | EFI_SIGNATURE_DATA *Cert;\r | |
1003 | UINTN DataSize;\r | |
1004 | UINT8 *Data;\r | |
1005 | UINTN Index;\r | |
1006 | UINTN CertCount;\r | |
1007 | BOOLEAN IsFound;\r | |
1008 | \r | |
1009 | //\r | |
1010 | // Read signature database variable.\r | |
1011 | //\r | |
1012 | IsFound = FALSE;\r | |
1013 | Data = NULL;\r | |
1014 | DataSize = 0;\r | |
1015 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1016 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1017 | return FALSE;\r | |
1018 | }\r | |
1019 | \r | |
1020 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1021 | if (Data == NULL) {\r | |
1022 | return FALSE;\r | |
1023 | }\r | |
1024 | \r | |
1025 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1026 | if (EFI_ERROR (Status)) {\r | |
1027 | goto Done;\r | |
1028 | }\r | |
1029 | \r | |
1030 | //\r | |
1031 | // Enumerate all signature data in SigDB to check if executable's signature exists.\r | |
1032 | //\r | |
1033 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
1034 | while ((DataSize > 0) && (DataSize >= CertList->SignatureListSize)) {\r | |
1035 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
1036 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
1037 | if ((CertList->SignatureSize == sizeof(EFI_SIGNATURE_DATA) - 1 + SignatureSize) && (CompareGuid(&CertList->SignatureType, &gEfiCertX509Guid))) {\r | |
1038 | for (Index = 0; Index < CertCount; Index++) {\r | |
1039 | if (CompareMem (Cert->SignatureData, Signature, SignatureSize) == 0) {\r | |
1040 | //\r | |
1041 | // Find the signature in database.\r | |
1042 | //\r | |
1043 | IsFound = TRUE;\r | |
1044 | break;\r | |
1045 | }\r | |
1046 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
1047 | }\r | |
1048 | \r | |
1049 | if (IsFound) {\r | |
1050 | break;\r | |
1051 | }\r | |
1052 | }\r | |
1053 | \r | |
1054 | DataSize -= CertList->SignatureListSize;\r | |
1055 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
1056 | }\r | |
1057 | \r | |
1058 | Done:\r | |
1059 | if (Data != NULL) {\r | |
1060 | FreePool (Data);\r | |
1061 | }\r | |
1062 | \r | |
1063 | return IsFound;\r | |
1064 | }\r | |
1065 | \r | |
1066 | /**\r | |
1067 | Calculate the hash of a certificate data with the specified hash algorithm.\r | |
1068 | \r | |
1069 | @param[in] CertData The certificate data to be hashed.\r | |
1070 | @param[in] CertSize The certificate size in bytes.\r | |
1071 | @param[in] HashAlg The specified hash algorithm.\r | |
1072 | @param[out] CertHash The output digest of the certificate\r | |
1073 | \r | |
1074 | @retval TRUE Successfully got the hash of the CertData.\r | |
1075 | @retval FALSE Failed to get the hash of CertData.\r | |
1076 | \r | |
1077 | **/\r | |
1078 | BOOLEAN\r | |
1079 | CalculateCertHash (\r | |
1080 | IN UINT8 *CertData,\r | |
1081 | IN UINTN CertSize,\r | |
1082 | IN UINT32 HashAlg,\r | |
1083 | OUT UINT8 *CertHash\r | |
1084 | )\r | |
1085 | {\r | |
1086 | BOOLEAN Status;\r | |
1087 | VOID *HashCtx;\r | |
1088 | UINTN CtxSize;\r | |
12d95665 LQ |
1089 | UINT8 *TBSCert;\r |
1090 | UINTN TBSCertSize;\r | |
20333c6d QL |
1091 | \r |
1092 | HashCtx = NULL;\r | |
1093 | Status = FALSE;\r | |
1094 | \r | |
1095 | if (HashAlg >= HASHALG_MAX) {\r | |
1096 | return FALSE;\r | |
1097 | }\r | |
1098 | \r | |
12d95665 LQ |
1099 | //\r |
1100 | // Retrieve the TBSCertificate for Hash Calculation.\r | |
1101 | //\r | |
1102 | if (!X509GetTBSCert (CertData, CertSize, &TBSCert, &TBSCertSize)) {\r | |
1103 | return FALSE;\r | |
1104 | }\r | |
1105 | \r | |
20333c6d QL |
1106 | //\r |
1107 | // 1. Initialize context of hash.\r | |
1108 | //\r | |
1109 | CtxSize = mHash[HashAlg].GetContextSize ();\r | |
1110 | HashCtx = AllocatePool (CtxSize);\r | |
1111 | ASSERT (HashCtx != NULL);\r | |
1112 | \r | |
1113 | //\r | |
1114 | // 2. Initialize a hash context.\r | |
1115 | //\r | |
1116 | Status = mHash[HashAlg].HashInit (HashCtx);\r | |
1117 | if (!Status) {\r | |
1118 | goto Done;\r | |
1119 | }\r | |
1120 | \r | |
1121 | //\r | |
1122 | // 3. Calculate the hash.\r | |
1123 | //\r | |
12d95665 | 1124 | Status = mHash[HashAlg].HashUpdate (HashCtx, TBSCert, TBSCertSize);\r |
20333c6d QL |
1125 | if (!Status) {\r |
1126 | goto Done;\r | |
1127 | }\r | |
1128 | \r | |
1129 | //\r | |
1130 | // 4. Get the hash result.\r | |
1131 | //\r | |
1132 | ZeroMem (CertHash, mHash[HashAlg].DigestLength);\r | |
1133 | Status = mHash[HashAlg].HashFinal (HashCtx, CertHash);\r | |
1134 | \r | |
1135 | Done:\r | |
1136 | if (HashCtx != NULL) {\r | |
1137 | FreePool (HashCtx);\r | |
1138 | }\r | |
1139 | \r | |
1140 | return Status;\r | |
1141 | }\r | |
1142 | \r | |
1143 | /**\r | |
1144 | Check whether the hash of an X.509 certificate is in forbidden database (DBX).\r | |
1145 | \r | |
1146 | @param[in] Certificate Pointer to X.509 Certificate that is searched for.\r | |
1147 | @param[in] CertSize Size of X.509 Certificate.\r | |
1148 | \r | |
1149 | @return TRUE Found the certificate hash in the forbidden database.\r | |
1150 | @return FALSE Certificate hash is Not found in the forbidden database.\r | |
1151 | \r | |
1152 | **/\r | |
1153 | BOOLEAN\r | |
1154 | IsCertHashFoundInDbx (\r | |
1155 | IN UINT8 *Certificate,\r | |
1156 | IN UINTN CertSize\r | |
1157 | )\r | |
1158 | {\r | |
1159 | BOOLEAN IsFound;\r | |
1160 | EFI_STATUS Status;\r | |
1161 | EFI_SIGNATURE_LIST *DbxList;\r | |
1162 | EFI_SIGNATURE_DATA *CertHash;\r | |
1163 | UINTN CertHashCount;\r | |
1164 | UINTN Index;\r | |
1165 | UINT32 HashAlg;\r | |
1166 | UINT8 CertDigest[MAX_DIGEST_SIZE];\r | |
1167 | UINT8 *DbxCertHash;\r | |
1168 | UINTN SiglistHeaderSize;\r | |
1169 | UINT8 *Data;\r | |
1170 | UINTN DataSize;\r | |
1171 | \r | |
1172 | IsFound = FALSE;\r | |
1173 | HashAlg = HASHALG_MAX;\r | |
1174 | Data = NULL;\r | |
1175 | \r | |
1176 | //\r | |
1177 | // Read signature database variable.\r | |
1178 | //\r | |
1179 | DataSize = 0;\r | |
1180 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1181 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1182 | return FALSE;\r | |
1183 | }\r | |
1184 | \r | |
1185 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1186 | if (Data == NULL) {\r | |
1187 | return FALSE;\r | |
1188 | }\r | |
1189 | \r | |
1190 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1191 | if (EFI_ERROR (Status)) {\r | |
1192 | goto Done;\r | |
1193 | }\r | |
1194 | \r | |
1195 | //\r | |
1196 | // Check whether the certificate hash exists in the forbidden database.\r | |
1197 | //\r | |
1198 | DbxList = (EFI_SIGNATURE_LIST *) Data;\r | |
1199 | while ((DataSize > 0) && (DataSize >= DbxList->SignatureListSize)) {\r | |
1200 | //\r | |
1201 | // Determine Hash Algorithm of Certificate in the forbidden database.\r | |
1202 | //\r | |
1203 | if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
1204 | HashAlg = HASHALG_SHA256;\r | |
1205 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
1206 | HashAlg = HASHALG_SHA384;\r | |
1207 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
1208 | HashAlg = HASHALG_SHA512;\r | |
1209 | } else {\r | |
1210 | DataSize -= DbxList->SignatureListSize;\r | |
1211 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1212 | continue;\r | |
1213 | }\r | |
1214 | \r | |
1215 | //\r | |
1216 | // Calculate the hash value of current db certificate for comparision.\r | |
1217 | //\r | |
1218 | if (!CalculateCertHash (Certificate, CertSize, HashAlg, CertDigest)) {\r | |
1219 | goto Done;\r | |
1220 | }\r | |
1221 | \r | |
1222 | SiglistHeaderSize = sizeof (EFI_SIGNATURE_LIST) + DbxList->SignatureHeaderSize;\r | |
1223 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) DbxList + SiglistHeaderSize);\r | |
1224 | CertHashCount = (DbxList->SignatureListSize - SiglistHeaderSize) / DbxList->SignatureSize;\r | |
1225 | for (Index = 0; Index < CertHashCount; Index++) {\r | |
1226 | //\r | |
1227 | // Iterate each Signature Data Node within this CertList for verify.\r | |
1228 | //\r | |
1229 | DbxCertHash = CertHash->SignatureData;\r | |
1230 | if (CompareMem (DbxCertHash, CertDigest, mHash[HashAlg].DigestLength) == 0) {\r | |
1231 | //\r | |
1232 | // Hash of Certificate is found in forbidden database.\r | |
1233 | //\r | |
1234 | IsFound = TRUE;\r | |
1235 | goto Done;\r | |
1236 | }\r | |
1237 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertHash + DbxList->SignatureSize);\r | |
1238 | }\r | |
1239 | \r | |
1240 | DataSize -= DbxList->SignatureListSize;\r | |
1241 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1242 | }\r | |
1243 | \r | |
1244 | Done:\r | |
1245 | if (Data != NULL) {\r | |
1246 | FreePool (Data);\r | |
1247 | }\r | |
1248 | \r | |
1249 | return IsFound;\r | |
1250 | }\r | |
1251 | \r | |
1252 | /**\r | |
1253 | Check whether the signature list exists in given variable data.\r | |
1254 | \r | |
1255 | It searches the signature list for the ceritificate hash by CertType.\r | |
1256 | If the signature list is found, get the offset of Database for the\r | |
1257 | next hash of a certificate.\r | |
1258 | \r | |
1259 | @param[in] Database Variable data to save signature list.\r | |
1260 | @param[in] DatabaseSize Variable size.\r | |
1261 | @param[in] SignatureType The type of the signature.\r | |
1262 | @param[out] Offset The offset to save a new hash of certificate.\r | |
1263 | \r | |
1264 | @return TRUE The signature list is found in the forbidden database.\r | |
1265 | @return FALSE The signature list is not found in the forbidden database.\r | |
1266 | **/\r | |
1267 | BOOLEAN\r | |
1268 | GetSignaturelistOffset (\r | |
1269 | IN EFI_SIGNATURE_LIST *Database,\r | |
1270 | IN UINTN DatabaseSize,\r | |
1271 | IN EFI_GUID *SignatureType,\r | |
1272 | OUT UINTN *Offset\r | |
1273 | )\r | |
1274 | {\r | |
1275 | EFI_SIGNATURE_LIST *SigList;\r | |
1276 | UINTN SiglistSize;\r | |
1277 | \r | |
1278 | if ((Database == NULL) || (DatabaseSize == 0)) {\r | |
1279 | *Offset = 0;\r | |
1280 | return FALSE;\r | |
1281 | }\r | |
1282 | \r | |
1283 | SigList = Database;\r | |
1284 | SiglistSize = DatabaseSize;\r | |
1285 | while ((SiglistSize > 0) && (SiglistSize >= SigList->SignatureListSize)) {\r | |
1286 | if (CompareGuid (&SigList->SignatureType, SignatureType)) {\r | |
1287 | *Offset = DatabaseSize - SiglistSize;\r | |
1288 | return TRUE;\r | |
1289 | }\r | |
1290 | SiglistSize -= SigList->SignatureListSize;\r | |
1291 | SigList = (EFI_SIGNATURE_LIST *) ((UINT8 *) SigList + SigList->SignatureListSize);\r | |
1292 | }\r | |
1293 | *Offset = 0;\r | |
1294 | return FALSE;\r | |
1295 | }\r | |
1296 | \r | |
1297 | /**\r | |
1298 | Enroll a new X509 certificate hash into Signature Database (dbx) without\r | |
1299 | KEK's authentication.\r | |
1300 | \r | |
1301 | @param[in] PrivateData The module's private data.\r | |
1302 | @param[in] HashAlg The hash algorithm to enroll the certificate.\r | |
1303 | @param[in] RevocationDate The revocation date of the certificate.\r | |
1304 | @param[in] RevocationTime The revocation time of the certificate.\r | |
1305 | @param[in] AlwaysRevocation Indicate whether the certificate is always revoked.\r | |
1306 | \r | |
1307 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
1308 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1309 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1310 | \r | |
1311 | **/\r | |
1312 | EFI_STATUS\r | |
1313 | EnrollX509HashtoSigDB (\r | |
1314 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
1315 | IN UINT32 HashAlg,\r | |
1316 | IN EFI_HII_DATE *RevocationDate,\r | |
1317 | IN EFI_HII_TIME *RevocationTime,\r | |
1318 | IN BOOLEAN AlwaysRevocation\r | |
1319 | )\r | |
1320 | {\r | |
1321 | EFI_STATUS Status;\r | |
1322 | UINTN X509DataSize;\r | |
1323 | VOID *X509Data;\r | |
1324 | EFI_SIGNATURE_LIST *SignatureList;\r | |
1325 | UINTN SignatureListSize;\r | |
1326 | UINT8 *Data;\r | |
1327 | UINT8 *NewData;\r | |
1328 | UINTN DataSize;\r | |
1329 | UINTN DbSize;\r | |
1330 | UINT32 Attr;\r | |
1331 | EFI_SIGNATURE_DATA *SignatureData;\r | |
1332 | UINTN SignatureSize;\r | |
1333 | EFI_GUID SignatureType;\r | |
1334 | UINTN Offset;\r | |
1335 | UINT8 CertHash[MAX_DIGEST_SIZE];\r | |
1336 | UINT16* FilePostFix;\r | |
1337 | UINTN NameLength;\r | |
1338 | EFI_TIME *Time;\r | |
1339 | \r | |
1340 | X509DataSize = 0;\r | |
1341 | DbSize = 0;\r | |
1342 | X509Data = NULL;\r | |
1343 | SignatureData = NULL;\r | |
1344 | SignatureList = NULL;\r | |
1345 | Data = NULL;\r | |
1346 | NewData = NULL;\r | |
1347 | \r | |
1348 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
1349 | return EFI_INVALID_PARAMETER;\r | |
1350 | }\r | |
1351 | \r | |
1352 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
1353 | if (EFI_ERROR (Status)) {\r | |
1354 | return Status;\r | |
1355 | }\r | |
1356 | \r | |
1357 | //\r | |
1358 | // Parse the file's postfix.\r | |
1359 | //\r | |
1360 | NameLength = StrLen (Private->FileContext->FileName);\r | |
1361 | if (NameLength <= 4) {\r | |
1362 | return EFI_INVALID_PARAMETER;\r | |
1363 | }\r | |
1364 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
1365 | if (!IsDerEncodeCertificate(FilePostFix)) {\r | |
1366 | //\r | |
1367 | // Only supports DER-encoded X509 certificate.\r | |
1368 | //\r | |
1369 | return EFI_INVALID_PARAMETER;\r | |
1370 | }\r | |
1371 | \r | |
1372 | //\r | |
1373 | // Get the certificate from file and calculate its hash.\r | |
1374 | //\r | |
1375 | Status = ReadFileContent (\r | |
1376 | Private->FileContext->FHandle,\r | |
1377 | &X509Data,\r | |
1378 | &X509DataSize,\r | |
1379 | 0\r | |
1380 | );\r | |
1381 | if (EFI_ERROR (Status)) {\r | |
1382 | goto ON_EXIT;\r | |
1383 | }\r | |
1384 | ASSERT (X509Data != NULL);\r | |
1385 | \r | |
1386 | if (!CalculateCertHash (X509Data, X509DataSize, HashAlg, CertHash)) {\r | |
1387 | goto ON_EXIT;\r | |
1388 | }\r | |
1389 | \r | |
1390 | //\r | |
1391 | // Get the variable for enrollment.\r | |
1392 | //\r | |
1393 | DataSize = 0;\r | |
1394 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1395 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1396 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1397 | if (Data == NULL) {\r | |
1398 | return EFI_OUT_OF_RESOURCES;\r | |
1399 | }\r | |
1400 | \r | |
1401 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1402 | if (EFI_ERROR (Status)) {\r | |
1403 | goto ON_EXIT;\r | |
1404 | }\r | |
1405 | }\r | |
1406 | \r | |
1407 | //\r | |
1408 | // Allocate memory for Signature and fill the Signature\r | |
1409 | //\r | |
1410 | SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + sizeof (EFI_TIME) + mHash[HashAlg].DigestLength;\r | |
1411 | SignatureData = (EFI_SIGNATURE_DATA *) AllocateZeroPool (SignatureSize);\r | |
1412 | if (SignatureData == NULL) {\r | |
1413 | return EFI_OUT_OF_RESOURCES;\r | |
1414 | }\r | |
1415 | CopyGuid (&SignatureData->SignatureOwner, Private->SignatureGUID);\r | |
1416 | CopyMem (SignatureData->SignatureData, CertHash, mHash[HashAlg].DigestLength);\r | |
1417 | \r | |
1418 | //\r | |
1419 | // Fill the time.\r | |
1420 | //\r | |
1421 | if (!AlwaysRevocation) {\r | |
1422 | Time = (EFI_TIME *)(&SignatureData->SignatureData + mHash[HashAlg].DigestLength);\r | |
1423 | Time->Year = RevocationDate->Year;\r | |
1424 | Time->Month = RevocationDate->Month;\r | |
1425 | Time->Day = RevocationDate->Day;\r | |
1426 | Time->Hour = RevocationTime->Hour;\r | |
1427 | Time->Minute = RevocationTime->Minute;\r | |
1428 | Time->Second = RevocationTime->Second;\r | |
1429 | }\r | |
1430 | \r | |
1431 | //\r | |
1432 | // Determine the GUID for certificate hash.\r | |
1433 | //\r | |
1434 | switch (HashAlg) {\r | |
1435 | case HASHALG_SHA256:\r | |
1436 | SignatureType = gEfiCertX509Sha256Guid;\r | |
1437 | break;\r | |
1438 | case HASHALG_SHA384:\r | |
1439 | SignatureType = gEfiCertX509Sha384Guid;\r | |
1440 | break;\r | |
1441 | case HASHALG_SHA512:\r | |
1442 | SignatureType = gEfiCertX509Sha512Guid;\r | |
1443 | break;\r | |
1444 | default:\r | |
1445 | return FALSE;\r | |
1446 | }\r | |
1447 | \r | |
1448 | //\r | |
1449 | // Add signature into the new variable data buffer\r | |
1450 | //\r | |
1451 | if (GetSignaturelistOffset((EFI_SIGNATURE_LIST *)Data, DataSize, &SignatureType, &Offset)) {\r | |
1452 | //\r | |
1453 | // Add the signature to the found signaturelist.\r | |
1454 | //\r | |
1455 | DbSize = DataSize + SignatureSize;\r | |
1456 | NewData = AllocateZeroPool (DbSize);\r | |
1457 | if (NewData == NULL) {\r | |
1458 | Status = EFI_OUT_OF_RESOURCES;\r | |
1459 | goto ON_EXIT;\r | |
1460 | }\r | |
1461 | \r | |
1462 | SignatureList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
1463 | SignatureListSize = (UINTN) ReadUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize);\r | |
1464 | CopyMem (NewData, Data, Offset + SignatureListSize);\r | |
1465 | \r | |
1466 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + Offset);\r | |
1467 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32)(SignatureListSize + SignatureSize));\r | |
1468 | \r | |
1469 | Offset += SignatureListSize;\r | |
1470 | CopyMem (NewData + Offset, SignatureData, SignatureSize);\r | |
1471 | CopyMem (NewData + Offset + SignatureSize, Data + Offset, DataSize - Offset);\r | |
1472 | \r | |
1473 | FreePool (Data);\r | |
1474 | Data = NewData;\r | |
1475 | DataSize = DbSize;\r | |
1476 | } else {\r | |
1477 | //\r | |
1478 | // Create a new signaturelist, and add the signature into the signaturelist.\r | |
1479 | //\r | |
1480 | DbSize = DataSize + sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1481 | NewData = AllocateZeroPool (DbSize);\r | |
1482 | if (NewData == NULL) {\r | |
1483 | Status = EFI_OUT_OF_RESOURCES;\r | |
1484 | goto ON_EXIT;\r | |
1485 | }\r | |
1486 | //\r | |
1487 | // Fill Certificate Database parameters.\r | |
1488 | //\r | |
1489 | SignatureList = (EFI_SIGNATURE_LIST*) (NewData + DataSize);\r | |
1490 | SignatureListSize = sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1491 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32) SignatureListSize);\r | |
1492 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureSize, (UINT32) SignatureSize);\r | |
1493 | CopyGuid (&SignatureList->SignatureType, &SignatureType);\r | |
1494 | CopyMem ((UINT8* ) SignatureList + sizeof (EFI_SIGNATURE_LIST), SignatureData, SignatureSize);\r | |
1495 | if ((DataSize != 0) && (Data != NULL)) {\r | |
1496 | CopyMem (NewData, Data, DataSize);\r | |
1497 | FreePool (Data);\r | |
1498 | }\r | |
1499 | Data = NewData;\r | |
1500 | DataSize = DbSize;\r | |
1501 | }\r | |
1502 | \r | |
1503 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &Data);\r | |
1504 | if (EFI_ERROR (Status)) {\r | |
1505 | goto ON_EXIT;\r | |
1506 | }\r | |
1507 | \r | |
1508 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
1509 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
1510 | Status = gRT->SetVariable(\r | |
1511 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
1512 | &gEfiImageSecurityDatabaseGuid,\r | |
1513 | Attr,\r | |
1514 | DataSize,\r | |
1515 | Data\r | |
1516 | );\r | |
1517 | if (EFI_ERROR (Status)) {\r | |
1518 | goto ON_EXIT;\r | |
1519 | }\r | |
1520 | \r | |
1521 | ON_EXIT:\r | |
ecc722ad | 1522 | CloseFile (Private->FileContext->FHandle);\r |
762d8ddb DB |
1523 | if (Private->FileContext->FileName != NULL){\r |
1524 | FreePool(Private->FileContext->FileName);\r | |
1525 | Private->FileContext->FileName = NULL;\r | |
1526 | }\r | |
1527 | \r | |
ecc722ad | 1528 | Private->FileContext->FHandle = NULL;\r |
1529 | \r | |
1530 | if (Private->SignatureGUID != NULL) {\r | |
1531 | FreePool (Private->SignatureGUID);\r | |
1532 | Private->SignatureGUID = NULL;\r | |
1533 | }\r | |
1534 | \r | |
20333c6d QL |
1535 | if (Data != NULL) {\r |
1536 | FreePool (Data);\r | |
ecc722ad | 1537 | }\r |
1538 | \r | |
20333c6d QL |
1539 | if (SignatureData != NULL) {\r |
1540 | FreePool (SignatureData);\r | |
ecc722ad | 1541 | }\r |
1542 | \r | |
20333c6d QL |
1543 | if (X509Data != NULL) {\r |
1544 | FreePool (X509Data);\r | |
f71ed839 | 1545 | }\r |
1546 | \r | |
20333c6d | 1547 | return Status;\r |
ecc722ad | 1548 | }\r |
1549 | \r | |
1550 | /**\r | |
20333c6d | 1551 | Check whether a certificate from a file exists in dbx.\r |
ecc722ad | 1552 | \r |
1553 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
1554 | @param[in] VariableName Variable name of signature database, must be\r |
1555 | EFI_IMAGE_SECURITY_DATABASE1.\r | |
ecc722ad | 1556 | \r |
20333c6d QL |
1557 | @retval TRUE The X509 certificate is found in dbx successfully.\r |
1558 | @retval FALSE The X509 certificate is not found in dbx.\r | |
ecc722ad | 1559 | **/\r |
20333c6d QL |
1560 | BOOLEAN\r |
1561 | IsX509CertInDbx (\r | |
ecc722ad | 1562 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1563 | IN CHAR16 *VariableName\r | |
20333c6d | 1564 | )\r |
ecc722ad | 1565 | {\r |
20333c6d QL |
1566 | EFI_STATUS Status;\r |
1567 | UINTN X509DataSize;\r | |
1568 | VOID *X509Data;\r | |
1569 | BOOLEAN IsFound;\r | |
ecc722ad | 1570 | \r |
20333c6d QL |
1571 | //\r |
1572 | // Read the certificate from file\r | |
1573 | //\r | |
ecc722ad | 1574 | X509DataSize = 0;\r |
ecc722ad | 1575 | X509Data = NULL;\r |
ecc722ad | 1576 | Status = ReadFileContent (\r |
1577 | Private->FileContext->FHandle,\r | |
1578 | &X509Data,\r | |
1579 | &X509DataSize,\r | |
1580 | 0\r | |
1581 | );\r | |
1582 | if (EFI_ERROR (Status)) {\r | |
20333c6d | 1583 | return FALSE;\r |
ecc722ad | 1584 | }\r |
1585 | \r | |
1586 | //\r | |
20333c6d | 1587 | // Check the raw certificate.\r |
ecc722ad | 1588 | //\r |
20333c6d QL |
1589 | IsFound = FALSE;\r |
1590 | if (IsSignatureFoundInDatabase (EFI_IMAGE_SECURITY_DATABASE1, X509Data, X509DataSize)) {\r | |
1591 | IsFound = TRUE;\r | |
8c1babfd | 1592 | goto ON_EXIT;\r |
1593 | }\r | |
ecc722ad | 1594 | \r |
20333c6d QL |
1595 | //\r |
1596 | // Check the hash of certificate.\r | |
1597 | //\r | |
1598 | if (IsCertHashFoundInDbx (X509Data, X509DataSize)) {\r | |
1599 | IsFound = TRUE;\r | |
ecc722ad | 1600 | goto ON_EXIT;\r |
1601 | }\r | |
1602 | \r | |
1603 | ON_EXIT:\r | |
ecc722ad | 1604 | if (X509Data != NULL) {\r |
1605 | FreePool (X509Data);\r | |
1606 | }\r | |
1607 | \r | |
20333c6d | 1608 | return IsFound;\r |
ecc722ad | 1609 | }\r |
1610 | \r | |
5e9dfc67 LG |
1611 | /**\r |
1612 | Reads contents of a PE/COFF image in memory buffer.\r | |
1613 | \r | |
1614 | Caution: This function may receive untrusted input.\r | |
1615 | PE/COFF image is external input, so this function will make sure the PE/COFF image content\r | |
1616 | read is within the image buffer.\r | |
1617 | \r | |
1618 | @param FileHandle Pointer to the file handle to read the PE/COFF image.\r | |
1619 | @param FileOffset Offset into the PE/COFF image to begin the read operation.\r | |
1620 | @param ReadSize On input, the size in bytes of the requested read operation.\r | |
1621 | On output, the number of bytes actually read.\r | |
1622 | @param Buffer Output buffer that contains the data read from the PE/COFF image.\r | |
1623 | \r | |
1624 | @retval EFI_SUCCESS The specified portion of the PE/COFF image was read and the size\r | |
1625 | **/\r | |
1626 | EFI_STATUS\r | |
1627 | EFIAPI\r | |
1628 | SecureBootConfigImageRead (\r | |
1629 | IN VOID *FileHandle,\r | |
1630 | IN UINTN FileOffset,\r | |
1631 | IN OUT UINTN *ReadSize,\r | |
1632 | OUT VOID *Buffer\r | |
1633 | )\r | |
1634 | {\r | |
1635 | UINTN EndPosition;\r | |
1636 | \r | |
1637 | if (FileHandle == NULL || ReadSize == NULL || Buffer == NULL) {\r | |
1638 | return EFI_INVALID_PARAMETER;\r | |
1639 | }\r | |
1640 | \r | |
1641 | if (MAX_ADDRESS - FileOffset < *ReadSize) {\r | |
1642 | return EFI_INVALID_PARAMETER;\r | |
1643 | }\r | |
1644 | \r | |
1645 | EndPosition = FileOffset + *ReadSize;\r | |
1646 | if (EndPosition > mImageSize) {\r | |
1647 | *ReadSize = (UINT32)(mImageSize - FileOffset);\r | |
1648 | }\r | |
1649 | \r | |
1650 | if (FileOffset >= mImageSize) {\r | |
1651 | *ReadSize = 0;\r | |
1652 | }\r | |
1653 | \r | |
1654 | CopyMem (Buffer, (UINT8 *)((UINTN) FileHandle + FileOffset), *ReadSize);\r | |
1655 | \r | |
1656 | return EFI_SUCCESS;\r | |
1657 | }\r | |
1658 | \r | |
ecc722ad | 1659 | /**\r |
1660 | Load PE/COFF image information into internal buffer and check its validity.\r | |
1661 | \r | |
1662 | @retval EFI_SUCCESS Successful\r | |
1663 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
1664 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
1665 | \r | |
1666 | **/\r | |
1667 | EFI_STATUS\r | |
1668 | LoadPeImage (\r | |
20333c6d QL |
1669 | VOID\r |
1670 | )\r | |
ecc722ad | 1671 | {\r |
1672 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
1673 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
1674 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
5e9dfc67 LG |
1675 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r |
1676 | EFI_STATUS Status;\r | |
ecc722ad | 1677 | \r |
1678 | NtHeader32 = NULL;\r | |
1679 | NtHeader64 = NULL;\r | |
5e9dfc67 LG |
1680 | \r |
1681 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
1682 | ImageContext.Handle = (VOID *) mImageBase;\r | |
1683 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE) SecureBootConfigImageRead;\r | |
1684 | \r | |
1685 | //\r | |
1686 | // Get information about the image being loaded\r | |
1687 | //\r | |
1688 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r | |
1689 | if (EFI_ERROR (Status)) {\r | |
1690 | //\r | |
1691 | // The information can't be got from the invalid PeImage\r | |
1692 | //\r | |
1693 | DEBUG ((DEBUG_INFO, "SecureBootConfigDxe: PeImage invalid. \n"));\r | |
1694 | return Status;\r | |
1695 | }\r | |
1696 | \r | |
ecc722ad | 1697 | //\r |
1698 | // Read the Dos header\r | |
1699 | //\r | |
1700 | DosHdr = (EFI_IMAGE_DOS_HEADER*)(mImageBase);\r | |
1701 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE)\r | |
1702 | {\r | |
1703 | //\r | |
20333c6d | 1704 | // DOS image header is present,\r |
ecc722ad | 1705 | // So read the PE header after the DOS image header\r |
1706 | //\r | |
1707 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
1708 | }\r | |
1709 | else\r | |
1710 | {\r | |
1711 | mPeCoffHeaderOffset = 0;\r | |
1712 | }\r | |
1713 | \r | |
1714 | //\r | |
1715 | // Read PE header and check the signature validity and machine compatibility\r | |
1716 | //\r | |
1717 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32*) (mImageBase + mPeCoffHeaderOffset);\r | |
1718 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE)\r | |
1719 | {\r | |
1720 | return EFI_UNSUPPORTED;\r | |
1721 | }\r | |
1722 | \r | |
1723 | mNtHeader.Pe32 = NtHeader32;\r | |
1724 | \r | |
1725 | //\r | |
1726 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1727 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1728 | //\r | |
20333c6d | 1729 | if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32)\r |
a16170a1 AB |
1730 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)\r |
1731 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)) {\r | |
ecc722ad | 1732 | //\r |
a16170a1 | 1733 | // 32-bits Architecture\r |
ecc722ad | 1734 | //\r |
1735 | mImageType = ImageType_IA32;\r | |
1736 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1737 | }\r | |
1738 | else if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
a16170a1 AB |
1739 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)\r |
1740 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_AARCH64)) {\r | |
ecc722ad | 1741 | //\r |
1742 | // 64-bits Architecture\r | |
1743 | //\r | |
1744 | mImageType = ImageType_X64;\r | |
1745 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *) (mImageBase + mPeCoffHeaderOffset);\r | |
1746 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1747 | } else {\r | |
1748 | return EFI_UNSUPPORTED;\r | |
1749 | }\r | |
1750 | \r | |
1751 | return EFI_SUCCESS;\r | |
1752 | }\r | |
1753 | \r | |
1754 | /**\r | |
1755 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1756 | PE/COFF Specification 8.0 Appendix A\r | |
1757 | \r | |
5e9dfc67 LG |
1758 | Notes: PE/COFF image has been checked by BasePeCoffLib PeCoffLoaderGetImageInfo() in \r |
1759 | the function LoadPeImage ().\r | |
1760 | \r | |
ecc722ad | 1761 | @param[in] HashAlg Hash algorithm type.\r |
20333c6d | 1762 | \r |
ecc722ad | 1763 | @retval TRUE Successfully hash image.\r |
1764 | @retval FALSE Fail in hash image.\r | |
1765 | \r | |
1766 | **/\r | |
20333c6d | 1767 | BOOLEAN\r |
ecc722ad | 1768 | HashPeImage (\r |
1769 | IN UINT32 HashAlg\r | |
1770 | )\r | |
1771 | {\r | |
1772 | BOOLEAN Status;\r | |
1773 | UINT16 Magic;\r | |
1774 | EFI_IMAGE_SECTION_HEADER *Section;\r | |
1775 | VOID *HashCtx;\r | |
1776 | UINTN CtxSize;\r | |
1777 | UINT8 *HashBase;\r | |
1778 | UINTN HashSize;\r | |
1779 | UINTN SumOfBytesHashed;\r | |
1780 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1781 | UINTN Index;\r | |
1782 | UINTN Pos;\r | |
1783 | \r | |
1784 | HashCtx = NULL;\r | |
1785 | SectionHeader = NULL;\r | |
1786 | Status = FALSE;\r | |
1787 | \r | |
c035e373 | 1788 | if (HashAlg != HASHALG_SHA256) {\r |
ecc722ad | 1789 | return FALSE;\r |
1790 | }\r | |
20333c6d | 1791 | \r |
ecc722ad | 1792 | //\r |
1793 | // Initialize context of hash.\r | |
1794 | //\r | |
1795 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1796 | \r | |
c035e373 ZL |
1797 | mImageDigestSize = SHA256_DIGEST_SIZE;\r |
1798 | mCertType = gEfiCertSha256Guid;\r | |
ecc722ad | 1799 | \r |
1800 | CtxSize = mHash[HashAlg].GetContextSize();\r | |
20333c6d | 1801 | \r |
ecc722ad | 1802 | HashCtx = AllocatePool (CtxSize);\r |
1803 | ASSERT (HashCtx != NULL);\r | |
1804 | \r | |
1805 | // 1. Load the image header into memory.\r | |
1806 | \r | |
1807 | // 2. Initialize a SHA hash context.\r | |
1808 | Status = mHash[HashAlg].HashInit(HashCtx);\r | |
1809 | if (!Status) {\r | |
1810 | goto Done;\r | |
1811 | }\r | |
1812 | //\r | |
1813 | // Measuring PE/COFF Image Header;\r | |
1814 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1815 | //\r | |
de2447dd | 1816 | if (mNtHeader.Pe32->FileHeader.Machine == IMAGE_FILE_MACHINE_IA64 && mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
1817 | //\r | |
20333c6d QL |
1818 | // NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value\r |
1819 | // in the PE/COFF Header. If the MachineType is Itanium(IA64) and the\r | |
de2447dd | 1820 | // Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC\r |
1821 | // then override the magic value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC\r | |
1822 | //\r | |
1823 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
1824 | } else {\r | |
1825 | //\r | |
1826 | // Get the magic value from the PE/COFF Optional Header\r | |
1827 | //\r | |
1828 | Magic = mNtHeader.Pe32->OptionalHeader.Magic;\r | |
1829 | }\r | |
20333c6d | 1830 | \r |
ecc722ad | 1831 | //\r |
1832 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1833 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1834 | //\r | |
1835 | HashBase = mImageBase;\r | |
1836 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1837 | //\r | |
1838 | // Use PE32 offset.\r | |
1839 | //\r | |
1840 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.CheckSum) - HashBase);\r | |
1841 | } else {\r | |
1842 | //\r | |
1843 | // Use PE32+ offset.\r | |
1844 | //\r | |
1845 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - HashBase);\r | |
1846 | }\r | |
1847 | \r | |
1848 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1849 | if (!Status) {\r | |
1850 | goto Done;\r | |
1851 | }\r | |
1852 | //\r | |
1853 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1854 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1855 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1856 | //\r | |
1857 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1858 | //\r | |
1859 | // Use PE32 offset.\r | |
1860 | //\r | |
1861 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r | |
1862 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - HashBase);\r | |
1863 | } else {\r | |
1864 | //\r | |
1865 | // Use PE32+ offset.\r | |
20333c6d | 1866 | //\r |
ecc722ad | 1867 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r |
1868 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - HashBase);\r | |
1869 | }\r | |
1870 | \r | |
1871 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1872 | if (!Status) {\r | |
1873 | goto Done;\r | |
1874 | }\r | |
1875 | //\r | |
1876 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
1877 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
1878 | //\r | |
1879 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1880 | //\r | |
1881 | // Use PE32 offset\r | |
1882 | //\r | |
1883 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
1884 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - mImageBase);\r | |
1885 | } else {\r | |
1886 | //\r | |
1887 | // Use PE32+ offset.\r | |
1888 | //\r | |
1889 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
1890 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - mImageBase);\r | |
1891 | }\r | |
1892 | \r | |
1893 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1894 | if (!Status) {\r | |
1895 | goto Done;\r | |
1896 | }\r | |
1897 | //\r | |
1898 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
1899 | //\r | |
1900 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1901 | //\r | |
1902 | // Use PE32 offset.\r | |
1903 | //\r | |
1904 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
1905 | } else {\r | |
1906 | //\r | |
1907 | // Use PE32+ offset\r | |
1908 | //\r | |
1909 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
1910 | }\r | |
1911 | \r | |
1912 | //\r | |
1913 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
1914 | // structures in the image. The 'NumberOfSections' field of the image\r | |
1915 | // header indicates how big the table should be. Do not include any\r | |
1916 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
1917 | //\r | |
1918 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *) AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r | |
1919 | ASSERT (SectionHeader != NULL);\r | |
1920 | //\r | |
1921 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
1922 | // a key, arrange the elements in the table in ascending order. In other\r | |
1923 | // words, sort the section headers according to the disk-file offset of\r | |
1924 | // the section.\r | |
1925 | //\r | |
1926 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1927 | mImageBase +\r | |
1928 | mPeCoffHeaderOffset +\r | |
1929 | sizeof (UINT32) +\r | |
1930 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
1931 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1932 | );\r | |
1933 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1934 | Pos = Index;\r | |
1935 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
1936 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1937 | Pos--;\r | |
1938 | }\r | |
1939 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1940 | Section += 1;\r | |
1941 | }\r | |
1942 | \r | |
1943 | //\r | |
1944 | // 13. Walk through the sorted table, bring the corresponding section\r | |
1945 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
1946 | // field in the section header to determine the amount of data to hash).\r | |
1947 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
1948 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
1949 | //\r | |
1950 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1951 | Section = &SectionHeader[Index];\r | |
1952 | if (Section->SizeOfRawData == 0) {\r | |
1953 | continue;\r | |
1954 | }\r | |
1955 | HashBase = mImageBase + Section->PointerToRawData;\r | |
1956 | HashSize = (UINTN) Section->SizeOfRawData;\r | |
1957 | \r | |
1958 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1959 | if (!Status) {\r | |
1960 | goto Done;\r | |
1961 | }\r | |
1962 | \r | |
1963 | SumOfBytesHashed += HashSize;\r | |
1964 | }\r | |
1965 | \r | |
1966 | //\r | |
1967 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
1968 | // data in the file that needs to be added to the hash. This data begins\r | |
1969 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
1970 | // FileSize - (CertDirectory->Size)\r | |
1971 | //\r | |
1972 | if (mImageSize > SumOfBytesHashed) {\r | |
1973 | HashBase = mImageBase + SumOfBytesHashed;\r | |
1974 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1975 | //\r | |
1976 | // Use PE32 offset.\r | |
1977 | //\r | |
1978 | HashSize = (UINTN)(\r | |
1979 | mImageSize -\r | |
1980 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
1981 | SumOfBytesHashed);\r | |
1982 | } else {\r | |
1983 | //\r | |
1984 | // Use PE32+ offset.\r | |
1985 | //\r | |
1986 | HashSize = (UINTN)(\r | |
1987 | mImageSize -\r | |
1988 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
20333c6d | 1989 | SumOfBytesHashed);\r |
ecc722ad | 1990 | }\r |
1991 | \r | |
1992 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1993 | if (!Status) {\r | |
1994 | goto Done;\r | |
1995 | }\r | |
1996 | }\r | |
1997 | \r | |
1998 | Status = mHash[HashAlg].HashFinal(HashCtx, mImageDigest);\r | |
1999 | \r | |
2000 | Done:\r | |
2001 | if (HashCtx != NULL) {\r | |
2002 | FreePool (HashCtx);\r | |
2003 | }\r | |
2004 | if (SectionHeader != NULL) {\r | |
2005 | FreePool (SectionHeader);\r | |
2006 | }\r | |
2007 | return Status;\r | |
2008 | }\r | |
2009 | \r | |
2010 | /**\r | |
69f8bb52 | 2011 | Recognize the Hash algorithm in PE/COFF Authenticode and calculate hash of\r |
20333c6d | 2012 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification\r |
ecc722ad | 2013 | 8.0 Appendix A\r |
2014 | \r | |
2015 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
2016 | @retval EFI_SUCCESS Hash successfully.\r | |
2017 | \r | |
2018 | **/\r | |
20333c6d | 2019 | EFI_STATUS\r |
ecc722ad | 2020 | HashPeImageByType (\r |
2021 | VOID\r | |
2022 | )\r | |
2023 | {\r | |
2024 | UINT8 Index;\r | |
2025 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
2026 | \r | |
2027 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *) (mImageBase + mSecDataDir->Offset);\r | |
2028 | \r | |
20333c6d | 2029 | for (Index = 0; Index < HASHALG_MAX; Index++) {\r |
ecc722ad | 2030 | //\r |
2031 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
20333c6d | 2032 | // According to PKCS#7 Definition:\r |
ecc722ad | 2033 | // SignedData ::= SEQUENCE {\r |
2034 | // version Version,\r | |
2035 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
2036 | // contentInfo ContentInfo,\r | |
2037 | // .... }\r | |
2038 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
2039 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
2040 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
2041 | //\r | |
2042 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r | |
2043 | //\r | |
2044 | // Only support two bytes of Long Form of Length Encoding.\r | |
2045 | //\r | |
2046 | continue;\r | |
2047 | }\r | |
2048 | \r | |
20333c6d | 2049 | //\r |
ecc722ad | 2050 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r |
2051 | break;\r | |
2052 | }\r | |
2053 | }\r | |
2054 | \r | |
2055 | if (Index == HASHALG_MAX) {\r | |
2056 | return EFI_UNSUPPORTED;\r | |
2057 | }\r | |
2058 | \r | |
2059 | //\r | |
2060 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
2061 | //\r | |
2062 | if (!HashPeImage(Index)) {\r | |
2063 | return EFI_UNSUPPORTED;\r | |
2064 | }\r | |
2065 | \r | |
2066 | return EFI_SUCCESS;\r | |
2067 | }\r | |
2068 | \r | |
2069 | /**\r | |
20333c6d | 2070 | Enroll a new executable's signature into Signature Database.\r |
ecc722ad | 2071 | \r |
2072 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
2073 | @param[in] VariableName Variable name of signature database, must be\r |
2074 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2075 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
ecc722ad | 2076 | \r |
2077 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2078 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2079 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2080 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2081 | \r | |
2082 | **/\r | |
2083 | EFI_STATUS\r | |
2084 | EnrollImageSignatureToSigDB (\r | |
2085 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2086 | IN CHAR16 *VariableName\r | |
2087 | )\r | |
2088 | {\r | |
2089 | EFI_STATUS Status;\r | |
2090 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
2091 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
2092 | VOID *Data;\r | |
2093 | UINTN DataSize;\r | |
2094 | UINTN SigDBSize;\r | |
2095 | UINT32 Attr;\r | |
2096 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
2097 | \r | |
2098 | Data = NULL;\r | |
2099 | GuidCertData = NULL;\r | |
ecc722ad | 2100 | \r |
20333c6d QL |
2101 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r |
2102 | return EFI_UNSUPPORTED;\r | |
2103 | }\r | |
2104 | \r | |
ecc722ad | 2105 | //\r |
2106 | // Form the SigDB certificate list.\r | |
2107 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
2108 | //\r | |
2109 | // We need to parse executable's signature data from specified signed executable file.\r | |
2110 | // In current implementation, we simply trust the pass-in signed executable file.\r | |
2111 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
2112 | //\r | |
2113 | \r | |
2114 | //\r | |
2115 | // Read the whole file content\r | |
2116 | //\r | |
2117 | Status = ReadFileContent(\r | |
2118 | Private->FileContext->FHandle,\r | |
20333c6d QL |
2119 | (VOID **) &mImageBase,\r |
2120 | &mImageSize,\r | |
ecc722ad | 2121 | 0\r |
2122 | );\r | |
2123 | if (EFI_ERROR (Status)) {\r | |
2124 | goto ON_EXIT;\r | |
20333c6d | 2125 | }\r |
ba57d4fd | 2126 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 2127 | \r |
2128 | Status = LoadPeImage ();\r | |
2129 | if (EFI_ERROR (Status)) {\r | |
2130 | goto ON_EXIT;\r | |
2131 | }\r | |
2132 | \r | |
2133 | if (mSecDataDir->SizeOfCert == 0) {\r | |
2134 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2135 | Status = EFI_SECURITY_VIOLATION;\r | |
2136 | goto ON_EXIT;\r | |
2137 | }\r | |
2138 | } else {\r | |
20333c6d | 2139 | \r |
ecc722ad | 2140 | //\r |
2141 | // Read the certificate data\r | |
2142 | //\r | |
2143 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
2144 | \r | |
2145 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
2146 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID*) mCertificate;\r | |
2147 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof(EFI_GUID)) != 0) {\r | |
2148 | Status = EFI_ABORTED;\r | |
2149 | goto ON_EXIT;\r | |
2150 | }\r | |
2151 | \r | |
2152 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2153 | Status = EFI_ABORTED;\r | |
2154 | goto ON_EXIT;;\r | |
2155 | }\r | |
20333c6d | 2156 | \r |
ecc722ad | 2157 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r |
2158 | \r | |
2159 | Status = HashPeImageByType ();\r | |
2160 | if (EFI_ERROR (Status)) {\r | |
2161 | goto ON_EXIT;;\r | |
2162 | }\r | |
2163 | } else {\r | |
2164 | Status = EFI_ABORTED;\r | |
2165 | goto ON_EXIT;\r | |
2166 | }\r | |
2167 | }\r | |
2168 | \r | |
2169 | //\r | |
2170 | // Create a new SigDB entry.\r | |
2171 | //\r | |
20333c6d | 2172 | SigDBSize = sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 2173 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
2174 | + (UINT32) mImageDigestSize;\r | |
2175 | \r | |
2176 | Data = (UINT8*) AllocateZeroPool (SigDBSize);\r | |
2177 | if (Data == NULL) {\r | |
2178 | Status = EFI_OUT_OF_RESOURCES;\r | |
2179 | goto ON_EXIT;\r | |
2180 | }\r | |
20333c6d | 2181 | \r |
ecc722ad | 2182 | //\r |
2183 | // Adjust the Certificate Database parameters.\r | |
20333c6d | 2184 | //\r |
ecc722ad | 2185 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r |
2186 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
2187 | SigDBCert->SignatureHeaderSize = 0;\r | |
2188 | SigDBCert->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + (UINT32) mImageDigestSize;\r | |
2189 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r | |
2190 | \r | |
2191 | SigDBCertData = (EFI_SIGNATURE_DATA*)((UINT8*)SigDBCert + sizeof(EFI_SIGNATURE_LIST));\r | |
2192 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
2193 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
2194 | \r | |
20333c6d | 2195 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r |
8c1babfd | 2196 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
2197 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
2198 | if (EFI_ERROR (Status)) {\r | |
2199 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2200 | goto ON_EXIT;\r | |
2201 | }\r | |
20333c6d | 2202 | \r |
ecc722ad | 2203 | //\r |
20333c6d QL |
2204 | // Check if SigDB variable has been already existed.\r |
2205 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 2206 | // new signature data to original variable\r |
20333c6d | 2207 | //\r |
ecc722ad | 2208 | DataSize = 0;\r |
2209 | Status = gRT->GetVariable(\r | |
20333c6d QL |
2210 | VariableName,\r |
2211 | &gEfiImageSecurityDatabaseGuid,\r | |
2212 | NULL,\r | |
2213 | &DataSize,\r | |
ecc722ad | 2214 | NULL\r |
2215 | );\r | |
2216 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2217 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2218 | } else if (Status != EFI_NOT_FOUND) {\r | |
2219 | goto ON_EXIT;\r | |
20333c6d | 2220 | }\r |
ecc722ad | 2221 | \r |
2222 | //\r | |
2223 | // Enroll the variable.\r | |
2224 | //\r | |
2225 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2226 | VariableName,\r |
2227 | &gEfiImageSecurityDatabaseGuid,\r | |
2228 | Attr,\r | |
2229 | SigDBSize,\r | |
ecc722ad | 2230 | Data\r |
2231 | );\r | |
2232 | if (EFI_ERROR (Status)) {\r | |
2233 | goto ON_EXIT;\r | |
2234 | }\r | |
2235 | \r | |
2236 | ON_EXIT:\r | |
2237 | \r | |
2238 | CloseFile (Private->FileContext->FHandle);\r | |
2239 | Private->FileContext->FHandle = NULL;\r | |
762d8ddb DB |
2240 | \r |
2241 | if (Private->FileContext->FileName != NULL){\r | |
2242 | FreePool(Private->FileContext->FileName);\r | |
2243 | Private->FileContext->FileName = NULL;\r | |
2244 | }\r | |
ecc722ad | 2245 | \r |
2246 | if (Private->SignatureGUID != NULL) {\r | |
2247 | FreePool (Private->SignatureGUID);\r | |
2248 | Private->SignatureGUID = NULL;\r | |
2249 | }\r | |
2250 | \r | |
2251 | if (Data != NULL) {\r | |
2252 | FreePool (Data);\r | |
2253 | }\r | |
2254 | \r | |
2255 | if (mImageBase != NULL) {\r | |
2256 | FreePool (mImageBase);\r | |
2257 | mImageBase = NULL;\r | |
2258 | }\r | |
2259 | \r | |
2260 | return Status;\r | |
2261 | }\r | |
2262 | \r | |
2263 | /**\r | |
20333c6d | 2264 | Enroll signature into DB/DBX/DBT without KEK's authentication.\r |
ecc722ad | 2265 | The SignatureOwner GUID will be Private->SignatureGUID.\r |
20333c6d | 2266 | \r |
ecc722ad | 2267 | @param[in] PrivateData The module's private data.\r |
20333c6d | 2268 | @param[in] VariableName Variable name of signature database, must be\r |
ecc722ad | 2269 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r |
20333c6d | 2270 | \r |
ecc722ad | 2271 | @retval EFI_SUCCESS New signature enrolled successfully.\r |
2272 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2273 | @retval others Fail to enroll signature data.\r | |
20333c6d | 2274 | \r |
ecc722ad | 2275 | **/\r |
2276 | EFI_STATUS\r | |
2277 | EnrollSignatureDatabase (\r | |
2278 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2279 | IN CHAR16 *VariableName\r | |
20333c6d | 2280 | )\r |
ecc722ad | 2281 | {\r |
2282 | UINT16* FilePostFix;\r | |
f71ed839 | 2283 | EFI_STATUS Status;\r |
fd64f84f | 2284 | UINTN NameLength;\r |
ecc722ad | 2285 | \r |
2286 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
2287 | return EFI_INVALID_PARAMETER;\r | |
2288 | }\r | |
2289 | \r | |
20333c6d | 2290 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 2291 | if (EFI_ERROR (Status)) {\r |
2292 | return Status;\r | |
2293 | }\r | |
20333c6d | 2294 | \r |
ecc722ad | 2295 | //\r |
20333c6d | 2296 | // Parse the file's postfix.\r |
ecc722ad | 2297 | //\r |
fd64f84f GCPL |
2298 | NameLength = StrLen (Private->FileContext->FileName);\r |
2299 | if (NameLength <= 4) {\r | |
2300 | return EFI_INVALID_PARAMETER;\r | |
2301 | }\r | |
2302 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
20333c6d | 2303 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
ecc722ad | 2304 | //\r |
e4d7370d | 2305 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 2306 | //\r |
2307 | return EnrollX509toSigDB (Private, VariableName);\r | |
2308 | }\r | |
2309 | \r | |
2310 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
2311 | }\r | |
2312 | \r | |
2313 | /**\r | |
20333c6d | 2314 | List all signatures in specified signature database (e.g. KEK/DB/DBX/DBT)\r |
ecc722ad | 2315 | by GUID in the page for user to select and delete as needed.\r |
2316 | \r | |
2317 | @param[in] PrivateData Module's private data.\r | |
2318 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2319 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2320 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2321 | @param[in] FormId Form ID of current page.\r | |
2322 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2323 | \r | |
2324 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2325 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
20333c6d | 2326 | \r |
ecc722ad | 2327 | **/\r |
2328 | EFI_STATUS\r | |
2329 | UpdateDeletePage (\r | |
2330 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2331 | IN CHAR16 *VariableName,\r | |
2332 | IN EFI_GUID *VendorGuid,\r | |
2333 | IN UINT16 LabelNumber,\r | |
2334 | IN EFI_FORM_ID FormId,\r | |
2335 | IN EFI_QUESTION_ID QuestionIdBase\r | |
2336 | )\r | |
2337 | {\r | |
2338 | EFI_STATUS Status;\r | |
2339 | UINT32 Index;\r | |
2340 | UINTN CertCount;\r | |
2341 | UINTN GuidIndex;\r | |
2342 | VOID *StartOpCodeHandle;\r | |
2343 | VOID *EndOpCodeHandle;\r | |
2344 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
20333c6d | 2345 | EFI_IFR_GUID_LABEL *EndLabel;\r |
ecc722ad | 2346 | UINTN DataSize;\r |
2347 | UINT8 *Data;\r | |
2348 | EFI_SIGNATURE_LIST *CertList;\r | |
2349 | EFI_SIGNATURE_DATA *Cert;\r | |
2350 | UINT32 ItemDataSize;\r | |
2351 | CHAR16 *GuidStr;\r | |
2352 | EFI_STRING_ID GuidID;\r | |
2353 | EFI_STRING_ID Help;\r | |
2354 | \r | |
2355 | Data = NULL;\r | |
2356 | CertList = NULL;\r | |
2357 | Cert = NULL;\r | |
2358 | GuidStr = NULL;\r | |
2359 | StartOpCodeHandle = NULL;\r | |
2360 | EndOpCodeHandle = NULL;\r | |
20333c6d | 2361 | \r |
ecc722ad | 2362 | //\r |
2363 | // Initialize the container for dynamic opcodes.\r | |
2364 | //\r | |
2365 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2366 | if (StartOpCodeHandle == NULL) {\r | |
2367 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2368 | goto ON_EXIT;\r |
ecc722ad | 2369 | }\r |
2370 | \r | |
2371 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2372 | if (EndOpCodeHandle == NULL) {\r | |
2373 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2374 | goto ON_EXIT;\r |
ecc722ad | 2375 | }\r |
2376 | \r | |
2377 | //\r | |
2378 | // Create Hii Extend Label OpCode.\r | |
2379 | //\r | |
2380 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2381 | StartOpCodeHandle,\r | |
2382 | &gEfiIfrTianoGuid,\r | |
2383 | NULL,\r | |
2384 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2385 | );\r | |
2386 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2387 | StartLabel->Number = LabelNumber;\r | |
2388 | \r | |
2389 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2390 | EndOpCodeHandle,\r | |
2391 | &gEfiIfrTianoGuid,\r | |
2392 | NULL,\r | |
2393 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2394 | );\r | |
2395 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2396 | EndLabel->Number = LABEL_END;\r | |
2397 | \r | |
2398 | //\r | |
2399 | // Read Variable.\r | |
2400 | //\r | |
2401 | DataSize = 0;\r | |
20333c6d | 2402 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r |
ecc722ad | 2403 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r |
2404 | goto ON_EXIT;\r | |
2405 | }\r | |
2406 | \r | |
2407 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2408 | if (Data == NULL) {\r | |
2409 | Status = EFI_OUT_OF_RESOURCES;\r | |
2410 | goto ON_EXIT;\r | |
2411 | }\r | |
2412 | \r | |
2413 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
2414 | if (EFI_ERROR (Status)) {\r | |
2415 | goto ON_EXIT;\r | |
2416 | }\r | |
2417 | \r | |
2418 | GuidStr = AllocateZeroPool (100);\r | |
2419 | if (GuidStr == NULL) {\r | |
2420 | Status = EFI_OUT_OF_RESOURCES;\r | |
2421 | goto ON_EXIT;\r | |
2422 | }\r | |
2423 | \r | |
2424 | //\r | |
2425 | // Enumerate all KEK pub data.\r | |
2426 | //\r | |
2427 | ItemDataSize = (UINT32) DataSize;\r | |
2428 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2429 | GuidIndex = 0;\r | |
2430 | \r | |
2431 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2432 | \r | |
2433 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
2434 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
2435 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2436 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
2437 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
2438 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
2439 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
2440 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
20333c6d QL |
2441 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid)) {\r |
2442 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA256_GUID);\r | |
2443 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
2444 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA384_GUID);\r | |
2445 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
2446 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA512_GUID);\r | |
ecc722ad | 2447 | } else {\r |
2448 | //\r | |
2449 | // The signature type is not supported in current implementation.\r | |
2450 | //\r | |
b7d269ea | 2451 | ItemDataSize -= CertList->SignatureListSize;\r |
2452 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
ecc722ad | 2453 | continue;\r |
2454 | }\r | |
2455 | \r | |
2456 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2457 | for (Index = 0; Index < CertCount; Index++) {\r | |
20333c6d QL |
2458 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList\r |
2459 | + sizeof (EFI_SIGNATURE_LIST)\r | |
2460 | + CertList->SignatureHeaderSize\r | |
ecc722ad | 2461 | + Index * CertList->SignatureSize);\r |
2462 | //\r | |
20333c6d | 2463 | // Display GUID and help\r |
ecc722ad | 2464 | //\r |
2465 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
2466 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r | |
2467 | HiiCreateCheckBoxOpCode (\r | |
2468 | StartOpCodeHandle,\r | |
2469 | (EFI_QUESTION_ID) (QuestionIdBase + GuidIndex++),\r | |
20333c6d QL |
2470 | 0,\r |
2471 | 0,\r | |
2472 | GuidID,\r | |
ecc722ad | 2473 | Help,\r |
2474 | EFI_IFR_FLAG_CALLBACK,\r | |
2475 | 0,\r | |
2476 | NULL\r | |
20333c6d | 2477 | );\r |
ecc722ad | 2478 | }\r |
2479 | \r | |
2480 | ItemDataSize -= CertList->SignatureListSize;\r | |
2481 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2482 | }\r | |
2483 | \r | |
2484 | ON_EXIT:\r | |
2485 | HiiUpdateForm (\r | |
2486 | PrivateData->HiiHandle,\r | |
2487 | &gSecureBootConfigFormSetGuid,\r | |
2488 | FormId,\r | |
2489 | StartOpCodeHandle,\r | |
2490 | EndOpCodeHandle\r | |
2491 | );\r | |
2492 | \r | |
2493 | if (StartOpCodeHandle != NULL) {\r | |
2494 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2495 | }\r | |
2496 | \r | |
2497 | if (EndOpCodeHandle != NULL) {\r | |
2498 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2499 | }\r | |
20333c6d | 2500 | \r |
ecc722ad | 2501 | if (Data != NULL) {\r |
2502 | FreePool (Data);\r | |
2503 | }\r | |
2504 | \r | |
2505 | if (GuidStr != NULL) {\r | |
2506 | FreePool (GuidStr);\r | |
2507 | }\r | |
2508 | \r | |
2509 | return EFI_SUCCESS;\r | |
2510 | }\r | |
2511 | \r | |
beda2356 | 2512 | /**\r |
20333c6d | 2513 | Delete a KEK entry from KEK database.\r |
beda2356 | 2514 | \r |
ecc722ad | 2515 | @param[in] PrivateData Module's private data.\r |
2516 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 2517 | \r |
ecc722ad | 2518 | @retval EFI_SUCCESS Delete kek item successfully.\r |
2519 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 2520 | \r |
ecc722ad | 2521 | **/\r |
2522 | EFI_STATUS\r | |
2523 | DeleteKeyExchangeKey (\r | |
2524 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2525 | IN EFI_QUESTION_ID QuestionId\r | |
2526 | )\r | |
2527 | {\r | |
2528 | EFI_STATUS Status;\r | |
2529 | UINTN DataSize;\r | |
2530 | UINT8 *Data;\r | |
2531 | UINT8 *OldData;\r | |
2532 | UINT32 Attr;\r | |
2533 | UINT32 Index;\r | |
2534 | EFI_SIGNATURE_LIST *CertList;\r | |
2535 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2536 | EFI_SIGNATURE_DATA *Cert;\r | |
2537 | UINTN CertCount;\r | |
2538 | UINT32 Offset;\r | |
2539 | BOOLEAN IsKEKItemFound;\r | |
2540 | UINT32 KekDataSize;\r | |
2541 | UINTN DeleteKekIndex;\r | |
2542 | UINTN GuidIndex;\r | |
2543 | \r | |
2544 | Data = NULL;\r | |
2545 | OldData = NULL;\r | |
2546 | CertList = NULL;\r | |
2547 | Cert = NULL;\r | |
20333c6d | 2548 | Attr = 0;\r |
ecc722ad | 2549 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r |
f71ed839 | 2550 | \r |
2551 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
2552 | if (EFI_ERROR (Status)) {\r | |
2553 | return Status;\r | |
2554 | }\r | |
20333c6d | 2555 | \r |
ecc722ad | 2556 | //\r |
2557 | // Get original KEK variable.\r | |
20333c6d QL |
2558 | //\r |
2559 | DataSize = 0;\r | |
ecc722ad | 2560 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r |
2561 | if (EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2562 | goto ON_EXIT;\r | |
2563 | }\r | |
2564 | \r | |
2565 | OldData = (UINT8*)AllocateZeroPool(DataSize);\r | |
2566 | if (OldData == NULL) {\r | |
20333c6d | 2567 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2568 | goto ON_EXIT;\r |
2569 | }\r | |
2570 | \r | |
2571 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
2572 | if (EFI_ERROR(Status)) {\r | |
2573 | goto ON_EXIT;\r | |
2574 | }\r | |
2575 | \r | |
2576 | //\r | |
20333c6d | 2577 | // Allocate space for new variable.\r |
ecc722ad | 2578 | //\r |
2579 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2580 | if (Data == NULL) {\r | |
2581 | Status = EFI_OUT_OF_RESOURCES;\r | |
2582 | goto ON_EXIT;\r | |
2583 | }\r | |
2584 | \r | |
2585 | //\r | |
2586 | // Enumerate all KEK pub data and erasing the target item.\r | |
2587 | //\r | |
2588 | IsKEKItemFound = FALSE;\r | |
2589 | KekDataSize = (UINT32) DataSize;\r | |
2590 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2591 | Offset = 0;\r | |
2592 | GuidIndex = 0;\r | |
2593 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2594 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2595 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2596 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2597 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
2598 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2599 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2600 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2601 | for (Index = 0; Index < CertCount; Index++) {\r | |
2602 | if (GuidIndex == DeleteKekIndex ) {\r | |
2603 | //\r | |
2604 | // Find it! Skip it!\r | |
2605 | //\r | |
2606 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2607 | IsKEKItemFound = TRUE;\r |
ecc722ad | 2608 | } else {\r |
2609 | //\r | |
2610 | // This item doesn't match. Copy it to the Data buffer.\r | |
2611 | //\r | |
2612 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
2613 | Offset += CertList->SignatureSize;\r | |
2614 | }\r | |
2615 | GuidIndex++;\r | |
2616 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8*) Cert + CertList->SignatureSize);\r | |
2617 | }\r | |
2618 | } else {\r | |
2619 | //\r | |
2620 | // This List doesn't match. Copy it to the Data buffer.\r | |
2621 | //\r | |
2622 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
2623 | Offset += CertList->SignatureListSize;\r | |
2624 | }\r | |
20333c6d | 2625 | \r |
ecc722ad | 2626 | KekDataSize -= CertList->SignatureListSize;\r |
2627 | CertList = (EFI_SIGNATURE_LIST*) ((UINT8*) CertList + CertList->SignatureListSize);\r | |
2628 | }\r | |
2629 | \r | |
2630 | if (!IsKEKItemFound) {\r | |
2631 | //\r | |
2632 | // Doesn't find the Kek Item!\r | |
2633 | //\r | |
2634 | Status = EFI_NOT_FOUND;\r | |
2635 | goto ON_EXIT;\r | |
2636 | }\r | |
2637 | \r | |
2638 | //\r | |
2639 | // Delete the Signature header if there is no signature in the list.\r | |
2640 | //\r | |
2641 | KekDataSize = Offset;\r | |
2642 | CertList = (EFI_SIGNATURE_LIST*) Data;\r | |
2643 | Offset = 0;\r | |
2644 | ZeroMem (OldData, KekDataSize);\r | |
2645 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2646 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2647 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2648 | if (CertCount != 0) {\r |
2649 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
2650 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2651 | }\r |
ecc722ad | 2652 | KekDataSize -= CertList->SignatureListSize;\r |
2653 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2654 | }\r | |
2655 | \r | |
ecc722ad | 2656 | DataSize = Offset;\r |
8c1babfd | 2657 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2658 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2659 | if (EFI_ERROR (Status)) {\r | |
2660 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2661 | goto ON_EXIT;\r | |
2662 | }\r | |
2663 | }\r | |
ecc722ad | 2664 | \r |
2665 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2666 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2667 | &gEfiGlobalVariableGuid,\r | |
2668 | Attr,\r | |
2669 | DataSize,\r | |
ecc722ad | 2670 | OldData\r |
2671 | );\r | |
2672 | if (EFI_ERROR (Status)) {\r | |
2673 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
2674 | goto ON_EXIT;\r | |
2675 | }\r | |
20333c6d | 2676 | \r |
ecc722ad | 2677 | ON_EXIT:\r |
2678 | if (Data != NULL) {\r | |
2679 | FreePool(Data);\r | |
2680 | }\r | |
2681 | \r | |
2682 | if (OldData != NULL) {\r | |
2683 | FreePool(OldData);\r | |
2684 | }\r | |
2685 | \r | |
2686 | return UpdateDeletePage (\r | |
20333c6d | 2687 | PrivateData,\r |
ecc722ad | 2688 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2689 | &gEfiGlobalVariableGuid,\r | |
2690 | LABEL_KEK_DELETE,\r | |
2691 | FORMID_DELETE_KEK_FORM,\r | |
2692 | OPTION_DEL_KEK_QUESTION_ID\r | |
2693 | );\r | |
2694 | }\r | |
2695 | \r | |
2696 | /**\r | |
2697 | Delete a signature entry from siganture database.\r | |
beda2356 | 2698 | \r |
ecc722ad | 2699 | @param[in] PrivateData Module's private data.\r |
2700 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2701 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2702 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2703 | @param[in] FormId Form ID of current page.\r | |
2704 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2705 | @param[in] DeleteIndex Signature index to delete.\r | |
20333c6d | 2706 | \r |
ecc722ad | 2707 | @retval EFI_SUCCESS Delete siganture successfully.\r |
2708 | @retval EFI_NOT_FOUND Can't find the signature item,\r | |
2709 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 2710 | **/\r |
2711 | EFI_STATUS\r | |
ecc722ad | 2712 | DeleteSignature (\r |
2713 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2714 | IN CHAR16 *VariableName,\r | |
2715 | IN EFI_GUID *VendorGuid,\r | |
2716 | IN UINT16 LabelNumber,\r | |
2717 | IN EFI_FORM_ID FormId,\r | |
2718 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
2719 | IN UINTN DeleteIndex\r | |
beda2356 | 2720 | )\r |
2721 | {\r | |
ecc722ad | 2722 | EFI_STATUS Status;\r |
2723 | UINTN DataSize;\r | |
2724 | UINT8 *Data;\r | |
2725 | UINT8 *OldData;\r | |
2726 | UINT32 Attr;\r | |
2727 | UINT32 Index;\r | |
2728 | EFI_SIGNATURE_LIST *CertList;\r | |
2729 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2730 | EFI_SIGNATURE_DATA *Cert;\r | |
2731 | UINTN CertCount;\r | |
2732 | UINT32 Offset;\r | |
2733 | BOOLEAN IsItemFound;\r | |
2734 | UINT32 ItemDataSize;\r | |
2735 | UINTN GuidIndex;\r | |
bc0c99b3 | 2736 | \r |
ecc722ad | 2737 | Data = NULL;\r |
2738 | OldData = NULL;\r | |
2739 | CertList = NULL;\r | |
2740 | Cert = NULL;\r | |
20333c6d | 2741 | Attr = 0;\r |
ecc722ad | 2742 | \r |
f71ed839 | 2743 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
2744 | if (EFI_ERROR (Status)) {\r | |
2745 | return Status;\r | |
2746 | }\r | |
2747 | \r | |
ecc722ad | 2748 | //\r |
2749 | // Get original signature list data.\r | |
20333c6d | 2750 | //\r |
ecc722ad | 2751 | DataSize = 0;\r |
2752 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r | |
2753 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2754 | goto ON_EXIT;\r | |
2755 | }\r | |
2756 | \r | |
2757 | OldData = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2758 | if (OldData == NULL) {\r | |
20333c6d | 2759 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2760 | goto ON_EXIT;\r |
2761 | }\r | |
2762 | \r | |
2763 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
2764 | if (EFI_ERROR(Status)) {\r | |
2765 | goto ON_EXIT;\r | |
20333c6d | 2766 | }\r |
ecc722ad | 2767 | \r |
2768 | //\r | |
20333c6d | 2769 | // Allocate space for new variable.\r |
ecc722ad | 2770 | //\r |
2771 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2772 | if (Data == NULL) {\r | |
2773 | Status = EFI_OUT_OF_RESOURCES;\r | |
2774 | goto ON_EXIT;\r | |
2775 | }\r | |
2776 | \r | |
2777 | //\r | |
2778 | // Enumerate all signature data and erasing the target item.\r | |
2779 | //\r | |
2780 | IsItemFound = FALSE;\r | |
2781 | ItemDataSize = (UINT32) DataSize;\r | |
2782 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2783 | Offset = 0;\r | |
2784 | GuidIndex = 0;\r | |
2785 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2786 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2787 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
2788 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
20333c6d QL |
2789 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid) ||\r |
2790 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid) ||\r | |
2791 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid) ||\r | |
2792 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)\r | |
ecc722ad | 2793 | ) {\r |
2794 | //\r | |
2795 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
2796 | //\r | |
2797 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2798 | NewCertList = (EFI_SIGNATURE_LIST*) (Data + Offset);\r | |
2799 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2800 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2801 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2802 | for (Index = 0; Index < CertCount; Index++) {\r | |
2803 | if (GuidIndex == DeleteIndex) {\r | |
2804 | //\r | |
2805 | // Find it! Skip it!\r | |
2806 | //\r | |
2807 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2808 | IsItemFound = TRUE;\r |
ecc722ad | 2809 | } else {\r |
2810 | //\r | |
2811 | // This item doesn't match. Copy it to the Data buffer.\r | |
2812 | //\r | |
2813 | CopyMem (Data + Offset, (UINT8*)(Cert), CertList->SignatureSize);\r | |
2814 | Offset += CertList->SignatureSize;\r | |
2815 | }\r | |
2816 | GuidIndex++;\r | |
2817 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
2818 | }\r | |
2819 | } else {\r | |
2820 | //\r | |
2821 | // This List doesn't match. Just copy it to the Data buffer.\r | |
2822 | //\r | |
2823 | CopyMem (Data + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2824 | Offset += CertList->SignatureListSize;\r | |
2825 | }\r | |
20333c6d | 2826 | \r |
ecc722ad | 2827 | ItemDataSize -= CertList->SignatureListSize;\r |
2828 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2829 | }\r | |
2830 | \r | |
2831 | if (!IsItemFound) {\r | |
2832 | //\r | |
2833 | // Doesn't find the signature Item!\r | |
2834 | //\r | |
2835 | Status = EFI_NOT_FOUND;\r | |
2836 | goto ON_EXIT;\r | |
2837 | }\r | |
2838 | \r | |
2839 | //\r | |
2840 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
2841 | //\r | |
2842 | ItemDataSize = Offset;\r | |
2843 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2844 | Offset = 0;\r | |
2845 | ZeroMem (OldData, ItemDataSize);\r | |
2846 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2847 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2848 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2849 | if (CertCount != 0) {\r |
2850 | CopyMem (OldData + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2851 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2852 | }\r |
ecc722ad | 2853 | ItemDataSize -= CertList->SignatureListSize;\r |
2854 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2855 | }\r | |
2856 | \r | |
ecc722ad | 2857 | DataSize = Offset;\r |
8c1babfd | 2858 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2859 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2860 | if (EFI_ERROR (Status)) {\r | |
2861 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2862 | goto ON_EXIT;\r | |
2863 | }\r | |
2864 | }\r | |
ecc722ad | 2865 | \r |
2866 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2867 | VariableName,\r |
2868 | VendorGuid,\r | |
2869 | Attr,\r | |
2870 | DataSize,\r | |
ecc722ad | 2871 | OldData\r |
2872 | );\r | |
beda2356 | 2873 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2874 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
2875 | goto ON_EXIT;\r | |
beda2356 | 2876 | }\r |
20333c6d | 2877 | \r |
ecc722ad | 2878 | ON_EXIT:\r |
2879 | if (Data != NULL) {\r | |
2880 | FreePool(Data);\r | |
2881 | }\r | |
2882 | \r | |
2883 | if (OldData != NULL) {\r | |
2884 | FreePool(OldData);\r | |
2885 | }\r | |
2886 | \r | |
2887 | return UpdateDeletePage (\r | |
20333c6d | 2888 | PrivateData,\r |
ecc722ad | 2889 | VariableName,\r |
2890 | VendorGuid,\r | |
2891 | LabelNumber,\r | |
2892 | FormId,\r | |
2893 | QuestionIdBase\r | |
2894 | );\r | |
2895 | }\r | |
2896 | \r | |
02dd6af9 CZ |
2897 | /**\r |
2898 | \r | |
2899 | Update SecureBoot strings based on new Secure Boot Mode State. String includes STR_SECURE_BOOT_STATE_CONTENT\r | |
2900 | and STR_CUR_SECURE_BOOT_MODE_CONTENT.\r | |
2901 | \r | |
2902 | @param[in] PrivateData Module's private data.\r | |
2903 | \r | |
2904 | @return EFI_SUCCESS Update secure boot strings successfully.\r | |
2905 | @return other Fail to update secure boot strings.\r | |
2906 | \r | |
2907 | **/\r | |
2908 | EFI_STATUS\r | |
2909 | UpdateSecureBootString(\r | |
2910 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
abffadf0 ZC |
2911 | )\r |
2912 | {\r | |
02dd6af9 CZ |
2913 | UINT8 *SecureBoot;\r |
2914 | \r | |
e8cd9b80 CZ |
2915 | SecureBoot = NULL;\r |
2916 | \r | |
02dd6af9 CZ |
2917 | //\r |
2918 | // Get current secure boot state.\r | |
2919 | //\r | |
e8cd9b80 CZ |
2920 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SecureBoot, NULL);\r |
2921 | if (SecureBoot == NULL) {\r | |
2922 | return EFI_NOT_FOUND;\r | |
02dd6af9 CZ |
2923 | }\r |
2924 | \r | |
2925 | if (*SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
2926 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
2927 | } else {\r | |
2928 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
2929 | }\r | |
02dd6af9 CZ |
2930 | \r |
2931 | FreePool(SecureBoot);\r | |
2932 | \r | |
2933 | return EFI_SUCCESS;\r | |
2934 | }\r | |
2935 | \r | |
ecc722ad | 2936 | /**\r |
2937 | This function extracts configuration from variable.\r | |
20333c6d | 2938 | \r |
ecc722ad | 2939 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r |
2940 | \r | |
2941 | **/\r | |
2942 | VOID\r | |
2943 | SecureBootExtractConfigFromVariable (\r | |
2944 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r | |
20333c6d | 2945 | )\r |
ecc722ad | 2946 | {\r |
20333c6d | 2947 | UINT8 *SecureBootEnable;\r |
12087ff6 | 2948 | UINT8 *SetupMode;\r |
20333c6d QL |
2949 | UINT8 *SecureBootMode;\r |
2950 | EFI_TIME CurrTime;\r | |
ecc722ad | 2951 | \r |
2952 | SecureBootEnable = NULL;\r | |
12087ff6 | 2953 | SetupMode = NULL;\r |
ecc722ad | 2954 | SecureBootMode = NULL;\r |
20333c6d QL |
2955 | \r |
2956 | //\r | |
2957 | // Initilize the Date and Time using system time.\r | |
2958 | //\r | |
2959 | ConfigData->CertificateFormat = HASHALG_RAW;\r | |
2960 | ConfigData->AlwaysRevocation = TRUE;\r | |
2961 | gRT->GetTime (&CurrTime, NULL);\r | |
2962 | ConfigData->RevocationDate.Year = CurrTime.Year;\r | |
2963 | ConfigData->RevocationDate.Month = CurrTime.Month;\r | |
2964 | ConfigData->RevocationDate.Day = CurrTime.Day;\r | |
2965 | ConfigData->RevocationTime.Hour = CurrTime.Hour;\r | |
2966 | ConfigData->RevocationTime.Minute = CurrTime.Minute;\r | |
2967 | ConfigData->RevocationTime.Second = 0;\r | |
2968 | \r | |
20333c6d | 2969 | \r |
ecc722ad | 2970 | //\r |
2971 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
2972 | //\r | |
2973 | if (UserPhysicalPresent()) {\r | |
2974 | ConfigData->PhysicalPresent = TRUE;\r | |
2975 | } else {\r | |
2976 | ConfigData->PhysicalPresent = FALSE;\r | |
2977 | }\r | |
20333c6d | 2978 | \r |
96832eef CZ |
2979 | //\r |
2980 | // If there is no PK then the Delete Pk button will be gray.\r | |
2981 | //\r | |
12087ff6 ZC |
2982 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
2983 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
96832eef CZ |
2984 | ConfigData->HasPk = FALSE;\r |
2985 | } else {\r | |
2986 | ConfigData->HasPk = TRUE;\r | |
2987 | }\r | |
2988 | \r | |
126f3b1d ZC |
2989 | //\r |
2990 | // Check SecureBootEnable & Pk status, fix the inconsistence. \r | |
2991 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r | |
2992 | // Checkbox.\r | |
2993 | //\r | |
2994 | ConfigData->AttemptSecureBoot = FALSE;\r | |
2995 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL); \r | |
2996 | \r | |
2997 | //\r | |
2998 | // Fix Pk, SecureBootEnable inconsistence\r | |
2999 | //\r | |
f1005559 | 3000 | if ((SetupMode != NULL) && (*SetupMode) == USER_MODE) {\r |
126f3b1d ZC |
3001 | ConfigData->HideSecureBoot = FALSE;\r |
3002 | if ((SecureBootEnable != NULL) && (*SecureBootEnable == SECURE_BOOT_ENABLE)) {\r | |
3003 | ConfigData->AttemptSecureBoot = TRUE;\r | |
3004 | }\r | |
3005 | } else {\r | |
3006 | ConfigData->HideSecureBoot = TRUE;\r | |
3007 | }\r | |
3008 | \r | |
12087ff6 ZC |
3009 | //\r |
3010 | // Get the SecureBootMode from CustomMode variable.\r | |
3011 | //\r | |
3012 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3013 | if (SecureBootMode == NULL) {\r | |
3014 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3015 | } else {\r | |
3016 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
3017 | }\r | |
3018 | \r | |
f71ed839 | 3019 | if (SecureBootEnable != NULL) {\r |
3020 | FreePool (SecureBootEnable);\r | |
3021 | }\r | |
12087ff6 ZC |
3022 | if (SetupMode != NULL) {\r |
3023 | FreePool (SetupMode);\r | |
3024 | }\r | |
f71ed839 | 3025 | if (SecureBootMode != NULL) {\r |
3026 | FreePool (SecureBootMode);\r | |
3027 | }\r | |
beda2356 | 3028 | }\r |
3029 | \r | |
3030 | /**\r | |
3031 | This function allows a caller to extract the current configuration for one\r | |
3032 | or more named elements from the target driver.\r | |
3033 | \r | |
3034 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3035 | @param[in] Request A null-terminated Unicode string in\r | |
3036 | <ConfigRequest> format.\r | |
3037 | @param[out] Progress On return, points to a character in the Request\r | |
3038 | string. Points to the string's null terminator if\r | |
3039 | request was successful. Points to the most recent\r | |
3040 | '&' before the first failing name/value pair (or\r | |
3041 | the beginning of the string if the failure is in\r | |
3042 | the first name/value pair) if the request was not\r | |
3043 | successful.\r | |
3044 | @param[out] Results A null-terminated Unicode string in\r | |
3045 | <ConfigAltResp> format which has all values filled\r | |
3046 | in for the names in the Request string. String to\r | |
3047 | be allocated by the called function.\r | |
3048 | \r | |
3049 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
3050 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
3051 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
3052 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3053 | driver.\r | |
3054 | \r | |
3055 | **/\r | |
3056 | EFI_STATUS\r | |
3057 | EFIAPI\r | |
3058 | SecureBootExtractConfig (\r | |
3059 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3060 | IN CONST EFI_STRING Request,\r | |
3061 | OUT EFI_STRING *Progress,\r | |
3062 | OUT EFI_STRING *Results\r | |
3063 | )\r | |
3064 | {\r | |
3065 | EFI_STATUS Status;\r | |
3066 | UINTN BufferSize;\r | |
bc0c99b3 | 3067 | UINTN Size;\r |
beda2356 | 3068 | SECUREBOOT_CONFIGURATION Configuration;\r |
beda2356 | 3069 | EFI_STRING ConfigRequest;\r |
bc0c99b3 | 3070 | EFI_STRING ConfigRequestHdr;\r |
bc0c99b3 | 3071 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r |
3072 | BOOLEAN AllocatedRequest;\r | |
3073 | \r | |
beda2356 | 3074 | if (Progress == NULL || Results == NULL) {\r |
3075 | return EFI_INVALID_PARAMETER;\r | |
3076 | }\r | |
20333c6d | 3077 | \r |
bc0c99b3 | 3078 | AllocatedRequest = FALSE;\r |
3079 | ConfigRequestHdr = NULL;\r | |
3080 | ConfigRequest = NULL;\r | |
3081 | Size = 0;\r | |
20333c6d | 3082 | \r |
ea71453f | 3083 | ZeroMem (&Configuration, sizeof (Configuration));\r |
bc0c99b3 | 3084 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3085 | *Progress = Request;\r | |
20333c6d | 3086 | \r |
beda2356 | 3087 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
3088 | return EFI_NOT_FOUND;\r | |
3089 | }\r | |
3090 | \r | |
beda2356 | 3091 | //\r |
ecc722ad | 3092 | // Get Configuration from Variable.\r |
beda2356 | 3093 | //\r |
ecc722ad | 3094 | SecureBootExtractConfigFromVariable (&Configuration);\r |
f71ed839 | 3095 | \r |
bc0c99b3 | 3096 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 3097 | ConfigRequest = Request;\r |
bc0c99b3 | 3098 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
3099 | //\r | |
3100 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 3101 | //\r |
3102 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
3103 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
3104 | //\r | |
3105 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
3106 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
3107 | ConfigRequest = AllocateZeroPool (Size);\r | |
3108 | ASSERT (ConfigRequest != NULL);\r | |
3109 | AllocatedRequest = TRUE;\r | |
3110 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
3111 | FreePool (ConfigRequestHdr);\r | |
3112 | ConfigRequestHdr = NULL;\r | |
3113 | }\r | |
beda2356 | 3114 | \r |
3115 | Status = gHiiConfigRouting->BlockToConfig (\r | |
3116 | gHiiConfigRouting,\r | |
3117 | ConfigRequest,\r | |
3118 | (UINT8 *) &Configuration,\r | |
3119 | BufferSize,\r | |
3120 | Results,\r | |
3121 | Progress\r | |
3122 | );\r | |
bc0c99b3 | 3123 | \r |
3124 | //\r | |
3125 | // Free the allocated config request string.\r | |
3126 | //\r | |
3127 | if (AllocatedRequest) {\r | |
3128 | FreePool (ConfigRequest);\r | |
3129 | }\r | |
3130 | \r | |
beda2356 | 3131 | //\r |
3132 | // Set Progress string to the original request string.\r | |
3133 | //\r | |
3134 | if (Request == NULL) {\r | |
3135 | *Progress = NULL;\r | |
3136 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
3137 | *Progress = Request + StrLen (Request);\r | |
3138 | }\r | |
3139 | \r | |
3140 | return Status;\r | |
3141 | }\r | |
3142 | \r | |
3143 | /**\r | |
3144 | This function processes the results of changes in configuration.\r | |
3145 | \r | |
3146 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3147 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
3148 | format.\r | |
3149 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
3150 | the most recent '&' before the first failing\r | |
3151 | name/value pair (or the beginning of the string if\r | |
3152 | the failure is in the first name/value pair) or\r | |
3153 | the terminating NULL if all was successful.\r | |
3154 | \r | |
3155 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
3156 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
3157 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3158 | driver.\r | |
3159 | \r | |
3160 | **/\r | |
3161 | EFI_STATUS\r | |
3162 | EFIAPI\r | |
3163 | SecureBootRouteConfig (\r | |
3164 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3165 | IN CONST EFI_STRING Configuration,\r | |
3166 | OUT EFI_STRING *Progress\r | |
3167 | )\r | |
3168 | {\r | |
a2f2c258 | 3169 | SECUREBOOT_CONFIGURATION IfrNvData;\r |
3170 | UINTN BufferSize;\r | |
3171 | EFI_STATUS Status;\r | |
20333c6d | 3172 | \r |
beda2356 | 3173 | if (Configuration == NULL || Progress == NULL) {\r |
3174 | return EFI_INVALID_PARAMETER;\r | |
3175 | }\r | |
3176 | \r | |
3177 | *Progress = Configuration;\r | |
3178 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
3179 | return EFI_NOT_FOUND;\r | |
3180 | }\r | |
3181 | \r | |
a365eed4 FS |
3182 | //\r |
3183 | // Get Configuration from Variable.\r | |
3184 | //\r | |
3185 | SecureBootExtractConfigFromVariable (&IfrNvData);\r | |
3186 | \r | |
3187 | //\r | |
3188 | // Map the Configuration to the configuration block.\r | |
3189 | //\r | |
a2f2c258 | 3190 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
3191 | Status = gHiiConfigRouting->ConfigToBlock (\r | |
3192 | gHiiConfigRouting,\r | |
3193 | Configuration,\r | |
3194 | (UINT8 *)&IfrNvData,\r | |
3195 | &BufferSize,\r | |
3196 | Progress\r | |
3197 | );\r | |
3198 | if (EFI_ERROR (Status)) {\r | |
3199 | return Status;\r | |
3200 | }\r | |
3201 | \r | |
3202 | //\r | |
3203 | // Store Buffer Storage back to EFI variable if needed\r | |
3204 | //\r | |
126f3b1d | 3205 | if (!IfrNvData.HideSecureBoot) {\r |
a2f2c258 | 3206 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r |
3207 | if (EFI_ERROR (Status)) {\r | |
3208 | return Status;\r | |
3209 | }\r | |
3210 | }\r | |
3211 | \r | |
ecc722ad | 3212 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 3213 | return EFI_SUCCESS;\r |
3214 | }\r | |
3215 | \r | |
3216 | /**\r | |
ecc722ad | 3217 | This function is called to provide results data to the driver.\r |
beda2356 | 3218 | \r |
3219 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3220 | @param[in] Action Specifies the type of action taken by the browser.\r | |
3221 | @param[in] QuestionId A unique value which is sent to the original\r | |
3222 | exporting driver so that it can identify the type\r | |
3223 | of data to expect.\r | |
3224 | @param[in] Type The type of value for the question.\r | |
3225 | @param[in] Value A pointer to the data being sent to the original\r | |
3226 | exporting driver.\r | |
3227 | @param[out] ActionRequest On return, points to the action requested by the\r | |
3228 | callback function.\r | |
3229 | \r | |
3230 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
3231 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
3232 | variable and its data.\r | |
3233 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
3234 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
3235 | callback.\r | |
3236 | \r | |
3237 | **/\r | |
3238 | EFI_STATUS\r | |
3239 | EFIAPI\r | |
3240 | SecureBootCallback (\r | |
3241 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3242 | IN EFI_BROWSER_ACTION Action,\r | |
3243 | IN EFI_QUESTION_ID QuestionId,\r | |
3244 | IN UINT8 Type,\r | |
3245 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
3246 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
3247 | )\r | |
3248 | {\r | |
ecc722ad | 3249 | EFI_INPUT_KEY Key;\r |
20333c6d | 3250 | EFI_STATUS Status;\r |
2a085774 | 3251 | RETURN_STATUS RStatus;\r |
ecc722ad | 3252 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r |
3253 | UINTN BufferSize;\r | |
3254 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
3255 | UINT16 LabelId;\r | |
bf4a3dbd | 3256 | UINT8 *SecureBootEnable;\r |
126f3b1d | 3257 | UINT8 *Pk;\r |
f71ed839 | 3258 | UINT8 *SecureBootMode;\r |
12087ff6 | 3259 | UINT8 *SetupMode;\r |
e4d7370d | 3260 | CHAR16 PromptString[100];\r |
762d8ddb | 3261 | EFI_DEVICE_PATH_PROTOCOL *File;\r |
bf4a3dbd | 3262 | \r |
96832eef | 3263 | Status = EFI_SUCCESS;\r |
bf4a3dbd | 3264 | SecureBootEnable = NULL;\r |
f71ed839 | 3265 | SecureBootMode = NULL;\r |
12087ff6 | 3266 | SetupMode = NULL;\r |
762d8ddb | 3267 | File = NULL;\r |
bc0c99b3 | 3268 | \r |
beda2356 | 3269 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
3270 | return EFI_INVALID_PARAMETER;\r | |
3271 | }\r | |
12087ff6 | 3272 | \r |
96832eef CZ |
3273 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3274 | \r | |
762d8ddb DB |
3275 | gSecureBootPrivateData = Private;\r |
3276 | \r | |
96832eef CZ |
3277 | //\r |
3278 | // Retrieve uncommitted data from Browser\r | |
3279 | //\r | |
3280 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
3281 | IfrNvData = AllocateZeroPool (BufferSize);\r | |
3282 | if (IfrNvData == NULL) {\r | |
3283 | return EFI_OUT_OF_RESOURCES;\r | |
3284 | }\r | |
3285 | \r | |
3286 | HiiGetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *) IfrNvData);\r | |
beda2356 | 3287 | \r |
a365eed4 FS |
3288 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
3289 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
02dd6af9 CZ |
3290 | //\r |
3291 | // Update secure boot strings when opening this form\r | |
3292 | //\r | |
3293 | Status = UpdateSecureBootString(Private);\r | |
762d8ddb | 3294 | SecureBootExtractConfigFromVariable (IfrNvData);\r |
a365eed4 FS |
3295 | mIsEnterSecureBootForm = TRUE;\r |
3296 | }\r | |
96832eef | 3297 | goto EXIT;\r |
a365eed4 | 3298 | }\r |
20333c6d | 3299 | \r |
a365eed4 FS |
3300 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r |
3301 | Status = EFI_UNSUPPORTED;\r | |
3302 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
3303 | if (mIsEnterSecureBootForm) {\r | |
3304 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
3305 | Status = EFI_SUCCESS;\r | |
3306 | }\r | |
12087ff6 | 3307 | } \r |
96832eef | 3308 | goto EXIT;\r |
a365eed4 | 3309 | }\r |
20333c6d | 3310 | \r |
f71ed839 | 3311 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
3312 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 3313 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
3314 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD)) {\r | |
96832eef CZ |
3315 | Status = EFI_UNSUPPORTED;\r |
3316 | goto EXIT;\r | |
beda2356 | 3317 | }\r |
bc0c99b3 | 3318 | \r |
ecc722ad | 3319 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r |
3320 | \r | |
3321 | switch (QuestionId) {\r | |
3322 | case KEY_SECURE_BOOT_ENABLE:\r | |
f01b91ae | 3323 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
bf4a3dbd | 3324 | if (NULL != SecureBootEnable) {\r |
f71ed839 | 3325 | FreePool (SecureBootEnable);\r |
ecc722ad | 3326 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r |
3327 | CreatePopUp (\r | |
3328 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3329 | &Key,\r | |
3330 | L"Only Physical Presence User could disable secure boot!",\r | |
3331 | NULL\r | |
3332 | );\r | |
3333 | Status = EFI_UNSUPPORTED;\r | |
0357efe3 | 3334 | } else {\r |
3335 | CreatePopUp (\r | |
3336 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3337 | &Key,\r | |
f71ed839 | 3338 | L"Configuration changed, please reset the platform to take effect!",\r |
0357efe3 | 3339 | NULL\r |
3340 | );\r | |
ecc722ad | 3341 | }\r |
ecc722ad | 3342 | }\r |
3343 | break;\r | |
3344 | \r | |
ecc722ad | 3345 | case KEY_SECURE_BOOT_KEK_OPTION:\r |
3346 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
3347 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
20333c6d | 3348 | case KEY_SECURE_BOOT_DBT_OPTION:\r |
ecc722ad | 3349 | //\r |
3350 | // Clear Signature GUID.\r | |
3351 | //\r | |
3352 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
3353 | if (Private->SignatureGUID == NULL) {\r | |
3354 | Private->SignatureGUID = (EFI_GUID *) AllocateZeroPool (sizeof (EFI_GUID));\r | |
3355 | if (Private->SignatureGUID == NULL) {\r | |
3356 | return EFI_OUT_OF_RESOURCES;\r | |
3357 | }\r | |
3358 | }\r | |
beda2356 | 3359 | \r |
ecc722ad | 3360 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r |
3361 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
3362 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
3363 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
20333c6d QL |
3364 | } else if (QuestionId == KEY_SECURE_BOOT_DBT_OPTION) {\r |
3365 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;\r | |
ecc722ad | 3366 | } else {\r |
3367 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
3368 | }\r | |
3369 | \r | |
3370 | //\r | |
3371 | // Refresh selected file.\r | |
3372 | //\r | |
20333c6d | 3373 | CleanUpPage (LabelId, Private);\r |
ecc722ad | 3374 | break;\r |
762d8ddb DB |
3375 | case KEY_SECURE_BOOT_PK_OPTION:\r |
3376 | LabelId = FORMID_ENROLL_PK_FORM;\r | |
3377 | //\r | |
3378 | // Refresh selected file.\r | |
3379 | //\r | |
3380 | CleanUpPage (LabelId, Private);\r | |
3381 | break;\r | |
3382 | \r | |
3383 | case FORMID_ENROLL_PK_FORM:\r | |
d6224153 | 3384 | ChooseFile (NULL, NULL, UpdatePKFromFile, &File);\r |
762d8ddb | 3385 | break;\r |
20333c6d | 3386 | \r |
ecc722ad | 3387 | case FORMID_ENROLL_KEK_FORM:\r |
d6224153 | 3388 | ChooseFile (NULL, NULL, UpdateKEKFromFile, &File);\r |
762d8ddb DB |
3389 | break;\r |
3390 | \r | |
ecc722ad | 3391 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r |
d6224153 | 3392 | ChooseFile (NULL, NULL, UpdateDBFromFile, &File);\r |
762d8ddb DB |
3393 | break;\r |
3394 | \r | |
ecc722ad | 3395 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r |
d6224153 | 3396 | ChooseFile (NULL, NULL, UpdateDBXFromFile, &File);\r |
762d8ddb | 3397 | break;\r |
ecc722ad | 3398 | \r |
762d8ddb | 3399 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBT:\r |
d6224153 | 3400 | ChooseFile (NULL, NULL, UpdateDBTFromFile, &File);\r |
ecc722ad | 3401 | break;\r |
3402 | \r | |
20333c6d | 3403 | case KEY_SECURE_BOOT_DELETE_PK:\r |
f71ed839 | 3404 | if (Value->u8) {\r |
3405 | CreatePopUp (\r | |
3406 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3407 | &Key,\r | |
3408 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
3409 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
3410 | NULL\r | |
3411 | );\r | |
3412 | if (Key.UnicodeChar == 'y' || Key.UnicodeChar == 'Y') {\r | |
ecc722ad | 3413 | Status = DeletePlatformKey ();\r |
f71ed839 | 3414 | if (EFI_ERROR (Status)) {\r |
3415 | CreatePopUp (\r | |
3416 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3417 | &Key,\r | |
3418 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
3419 | NULL\r | |
3420 | );\r | |
3421 | }\r | |
ecc722ad | 3422 | }\r |
f71ed839 | 3423 | }\r |
ecc722ad | 3424 | break;\r |
3425 | \r | |
3426 | case KEY_DELETE_KEK:\r | |
3427 | UpdateDeletePage (\r | |
20333c6d | 3428 | Private,\r |
ecc722ad | 3429 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
3430 | &gEfiGlobalVariableGuid,\r | |
3431 | LABEL_KEK_DELETE,\r | |
3432 | FORMID_DELETE_KEK_FORM,\r | |
20333c6d | 3433 | OPTION_DEL_KEK_QUESTION_ID\r |
ecc722ad | 3434 | );\r |
3435 | break;\r | |
3436 | \r | |
20333c6d | 3437 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB:\r |
ecc722ad | 3438 | UpdateDeletePage (\r |
3439 | Private,\r | |
3440 | EFI_IMAGE_SECURITY_DATABASE,\r | |
3441 | &gEfiImageSecurityDatabaseGuid,\r | |
3442 | LABEL_DB_DELETE,\r | |
3443 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
3444 | OPTION_DEL_DB_QUESTION_ID\r | |
3445 | );\r | |
3446 | break;\r | |
3447 | \r | |
3448 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBX:\r | |
3449 | UpdateDeletePage (\r | |
3450 | Private,\r | |
3451 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
3452 | &gEfiImageSecurityDatabaseGuid,\r | |
3453 | LABEL_DBX_DELETE,\r | |
3454 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r | |
3455 | OPTION_DEL_DBX_QUESTION_ID\r | |
3456 | );\r | |
3457 | \r | |
3458 | break;\r | |
3459 | \r | |
20333c6d QL |
3460 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBT:\r |
3461 | UpdateDeletePage (\r | |
3462 | Private,\r | |
3463 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
3464 | &gEfiImageSecurityDatabaseGuid,\r | |
3465 | LABEL_DBT_DELETE,\r | |
3466 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
3467 | OPTION_DEL_DBT_QUESTION_ID\r | |
3468 | );\r | |
3469 | \r | |
3470 | break;\r | |
3471 | \r | |
ecc722ad | 3472 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r |
3473 | Status = EnrollKeyExchangeKey (Private);\r | |
ee79ac8d | 3474 | if (EFI_ERROR (Status)) {\r |
3475 | CreatePopUp (\r | |
3476 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3477 | &Key,\r | |
3478 | L"ERROR: Unsupported file type!",\r | |
3479 | L"Only supports DER-encoded X509 certificate",\r | |
3480 | NULL\r | |
3481 | );\r | |
3482 | }\r | |
ecc722ad | 3483 | break;\r |
3484 | \r | |
3485 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
3486 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
ee79ac8d | 3487 | if (EFI_ERROR (Status)) {\r |
3488 | CreatePopUp (\r | |
3489 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3490 | &Key,\r | |
3491 | L"ERROR: Unsupported file type!",\r | |
3492 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
3493 | NULL\r | |
3494 | );\r | |
3495 | }\r | |
ecc722ad | 3496 | break;\r |
3497 | \r | |
3498 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
20333c6d QL |
3499 | if (IsX509CertInDbx (Private, EFI_IMAGE_SECURITY_DATABASE1)) {\r |
3500 | CreatePopUp (\r | |
3501 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3502 | &Key,\r | |
3503 | L"Enrollment failed! Same certificate had already been in the dbx!",\r | |
3504 | NULL\r | |
3505 | );\r | |
3506 | break;\r | |
3507 | }\r | |
3508 | \r | |
3509 | if ((IfrNvData != NULL) && (IfrNvData->CertificateFormat < HASHALG_MAX)) {\r | |
3510 | Status = EnrollX509HashtoSigDB (\r | |
3511 | Private,\r | |
3512 | IfrNvData->CertificateFormat,\r | |
3513 | &IfrNvData->RevocationDate,\r | |
3514 | &IfrNvData->RevocationTime,\r | |
3515 | IfrNvData->AlwaysRevocation\r | |
3516 | );\r | |
3517 | } else {\r | |
3518 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
3519 | }\r | |
ee79ac8d | 3520 | if (EFI_ERROR (Status)) {\r |
3521 | CreatePopUp (\r | |
3522 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3523 | &Key,\r | |
3524 | L"ERROR: Unsupported file type!",\r | |
3525 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
3526 | NULL\r | |
3527 | );\r | |
3528 | }\r | |
ecc722ad | 3529 | break;\r |
3530 | \r | |
20333c6d QL |
3531 | case KEY_VALUE_SAVE_AND_EXIT_DBT:\r |
3532 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE2);\r | |
3533 | if (EFI_ERROR (Status)) {\r | |
3534 | CreatePopUp (\r | |
3535 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3536 | &Key,\r | |
3537 | L"ERROR: Unsupported file type!",\r | |
3538 | L"Only supports DER-encoded X509 certificate.",\r | |
3539 | NULL\r | |
3540 | );\r | |
3541 | }\r | |
3542 | break;\r | |
762d8ddb DB |
3543 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r |
3544 | Status = EnrollPlatformKey (Private);\r | |
3545 | if (EFI_ERROR (Status)) {\r | |
3546 | UnicodeSPrint (\r | |
3547 | PromptString,\r | |
3548 | sizeof (PromptString),\r | |
3549 | L"Only DER encoded certificate file (%s) is supported.",\r | |
3550 | mSupportX509Suffix\r | |
3551 | );\r | |
3552 | CreatePopUp (\r | |
3553 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3554 | &Key,\r | |
3555 | L"ERROR: Unsupported file type!",\r | |
3556 | PromptString,\r | |
3557 | NULL\r | |
3558 | );\r | |
3559 | }\r | |
3560 | break;\r | |
ecc722ad | 3561 | default:\r |
762d8ddb | 3562 | if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r |
ecc722ad | 3563 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r |
3564 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
3565 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
3566 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3567 | DeleteSignature (\r | |
3568 | Private,\r | |
3569 | EFI_IMAGE_SECURITY_DATABASE,\r | |
3570 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 3571 | LABEL_DB_DELETE,\r |
ecc722ad | 3572 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r |
3573 | OPTION_DEL_DB_QUESTION_ID,\r | |
3574 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
3575 | );\r | |
3576 | } else if ((QuestionId >= OPTION_DEL_DBX_QUESTION_ID) &&\r | |
3577 | (QuestionId < (OPTION_DEL_DBX_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3578 | DeleteSignature (\r | |
3579 | Private,\r | |
3580 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
3581 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 3582 | LABEL_DBX_DELETE,\r |
ecc722ad | 3583 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r |
3584 | OPTION_DEL_DBX_QUESTION_ID,\r | |
3585 | QuestionId - OPTION_DEL_DBX_QUESTION_ID\r | |
3586 | );\r | |
20333c6d QL |
3587 | } else if ((QuestionId >= OPTION_DEL_DBT_QUESTION_ID) &&\r |
3588 | (QuestionId < (OPTION_DEL_DBT_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3589 | DeleteSignature (\r | |
3590 | Private,\r | |
3591 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
3592 | &gEfiImageSecurityDatabaseGuid,\r | |
3593 | LABEL_DBT_DELETE,\r | |
3594 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
3595 | OPTION_DEL_DBT_QUESTION_ID,\r | |
3596 | QuestionId - OPTION_DEL_DBT_QUESTION_ID\r | |
3597 | );\r | |
ecc722ad | 3598 | }\r |
3599 | break;\r | |
ecc722ad | 3600 | \r |
3601 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
3602 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
3603 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
3604 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
20333c6d | 3605 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBT:\r |
ecc722ad | 3606 | if (Private->FileContext->FHandle != NULL) {\r |
3607 | CloseFile (Private->FileContext->FHandle);\r | |
3608 | Private->FileContext->FHandle = NULL;\r | |
762d8ddb DB |
3609 | if (Private->FileContext->FileName!= NULL){\r |
3610 | FreePool(Private->FileContext->FileName);\r | |
3611 | Private->FileContext->FileName = NULL;\r | |
3612 | }\r | |
ecc722ad | 3613 | }\r |
20333c6d | 3614 | \r |
ecc722ad | 3615 | if (Private->SignatureGUID != NULL) {\r |
3616 | FreePool (Private->SignatureGUID);\r | |
3617 | Private->SignatureGUID = NULL;\r | |
3618 | }\r | |
ecc722ad | 3619 | break;\r |
762d8ddb DB |
3620 | }\r |
3621 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
3622 | switch (QuestionId) {\r | |
3623 | case KEY_SECURE_BOOT_ENABLE:\r | |
3624 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3625 | break;\r | |
ecc722ad | 3626 | case KEY_SECURE_BOOT_MODE:\r |
a365eed4 | 3627 | mIsEnterSecureBootForm = FALSE;\r |
ecc722ad | 3628 | break;\r |
ecc722ad | 3629 | case KEY_SECURE_BOOT_KEK_GUID:\r |
3630 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
3631 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
20333c6d | 3632 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBT:\r |
ecc722ad | 3633 | ASSERT (Private->SignatureGUID != NULL);\r |
2a085774 RN |
3634 | RStatus = StrToGuid (IfrNvData->SignatureGuid, Private->SignatureGUID);\r |
3635 | if (RETURN_ERROR (RStatus) || (IfrNvData->SignatureGuid[GUID_STRING_LENGTH] != L'\0')) {\r | |
3636 | Status = EFI_INVALID_PARAMETER;\r | |
ecc722ad | 3637 | break;\r |
3638 | }\r | |
3639 | \r | |
3640 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3641 | break;\r | |
3642 | \r | |
3643 | case KEY_SECURE_BOOT_DELETE_PK:\r | |
12087ff6 ZC |
3644 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
3645 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
f71ed839 | 3646 | IfrNvData->DeletePk = TRUE;\r |
3647 | IfrNvData->HasPk = FALSE;\r | |
ecc722ad | 3648 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r |
f71ed839 | 3649 | } else {\r |
3650 | IfrNvData->DeletePk = FALSE;\r | |
3651 | IfrNvData->HasPk = TRUE;\r | |
3652 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3653 | }\r | |
12087ff6 ZC |
3654 | if (SetupMode != NULL) {\r |
3655 | FreePool (SetupMode);\r | |
3656 | }\r | |
c93bcb7e ED |
3657 | break;\r |
3658 | default:\r | |
c93bcb7e | 3659 | break;\r |
ecc722ad | 3660 | }\r |
a2f2c258 | 3661 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
3662 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
126f3b1d ZC |
3663 | GetVariable2 (EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid, (VOID**)&Pk, NULL);\r |
3664 | if (Pk == NULL) {\r | |
a2f2c258 | 3665 | IfrNvData->HideSecureBoot = TRUE;\r |
3666 | } else {\r | |
126f3b1d | 3667 | FreePool (Pk);\r |
a2f2c258 | 3668 | IfrNvData->HideSecureBoot = FALSE;\r |
3669 | }\r | |
3670 | Value->b = IfrNvData->HideSecureBoot;\r | |
3671 | }\r | |
f71ed839 | 3672 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
3673 | //\r | |
3674 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
3675 | //\r | |
3676 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3677 | if (NULL != SecureBootMode && *SecureBootMode == CUSTOM_SECURE_BOOT_MODE) {\r | |
3678 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3679 | SetSecureBootMode(STANDARD_SECURE_BOOT_MODE);\r | |
3680 | }\r | |
3681 | if (SecureBootMode != NULL) {\r | |
3682 | FreePool (SecureBootMode);\r | |
3683 | }\r | |
ecc722ad | 3684 | }\r |
20333c6d | 3685 | \r |
96832eef CZ |
3686 | EXIT:\r |
3687 | \r | |
ecc722ad | 3688 | if (!EFI_ERROR (Status)) {\r |
3689 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
742d9b3a | 3690 | HiiSetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8*) IfrNvData, NULL);\r |
ecc722ad | 3691 | }\r |
96832eef | 3692 | \r |
ecc722ad | 3693 | FreePool (IfrNvData);\r |
20333c6d | 3694 | \r |
762d8ddb DB |
3695 | if (File != NULL){\r |
3696 | FreePool(File);\r | |
3697 | File = NULL;\r | |
3698 | }\r | |
3699 | \r | |
ecc722ad | 3700 | return EFI_SUCCESS;\r |
beda2356 | 3701 | }\r |
3702 | \r | |
3703 | /**\r | |
3704 | This function publish the SecureBoot configuration Form.\r | |
3705 | \r | |
3706 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
3707 | \r | |
ecc722ad | 3708 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 3709 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
3710 | @retval Others Other errors as indicated.\r | |
3711 | \r | |
3712 | **/\r | |
3713 | EFI_STATUS\r | |
3714 | InstallSecureBootConfigForm (\r | |
3715 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
3716 | )\r | |
3717 | {\r | |
3718 | EFI_STATUS Status;\r | |
3719 | EFI_HII_HANDLE HiiHandle;\r | |
3720 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 3721 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
3722 | \r | |
3723 | DriverHandle = NULL;\r | |
3724 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
3725 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3726 | &DriverHandle,\r | |
3727 | &gEfiDevicePathProtocolGuid,\r | |
3728 | &mSecureBootHiiVendorDevicePath,\r | |
3729 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3730 | ConfigAccess,\r | |
3731 | NULL\r | |
3732 | );\r | |
3733 | if (EFI_ERROR (Status)) {\r | |
3734 | return Status;\r | |
3735 | }\r | |
3736 | \r | |
3737 | PrivateData->DriverHandle = DriverHandle;\r | |
3738 | \r | |
3739 | //\r | |
3740 | // Publish the HII package list\r | |
3741 | //\r | |
3742 | HiiHandle = HiiAddPackages (\r | |
3743 | &gSecureBootConfigFormSetGuid,\r | |
3744 | DriverHandle,\r | |
3745 | SecureBootConfigDxeStrings,\r | |
3746 | SecureBootConfigBin,\r | |
3747 | NULL\r | |
3748 | );\r | |
3749 | if (HiiHandle == NULL) {\r | |
3750 | gBS->UninstallMultipleProtocolInterfaces (\r | |
3751 | DriverHandle,\r | |
3752 | &gEfiDevicePathProtocolGuid,\r | |
3753 | &mSecureBootHiiVendorDevicePath,\r | |
3754 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3755 | ConfigAccess,\r | |
3756 | NULL\r | |
bc0c99b3 | 3757 | );\r |
beda2356 | 3758 | return EFI_OUT_OF_RESOURCES;\r |
3759 | }\r | |
bc0c99b3 | 3760 | \r |
beda2356 | 3761 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 3762 | \r |
3763 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
20333c6d | 3764 | \r |
762d8ddb | 3765 | if (PrivateData->FileContext == NULL) {\r |
ecc722ad | 3766 | UninstallSecureBootConfigForm (PrivateData);\r |
3767 | return EFI_OUT_OF_RESOURCES;\r | |
3768 | }\r | |
20333c6d | 3769 | \r |
ecc722ad | 3770 | //\r |
3771 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
3772 | //\r | |
3773 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3774 | if (mStartOpCodeHandle == NULL) {\r | |
3775 | UninstallSecureBootConfigForm (PrivateData);\r | |
3776 | return EFI_OUT_OF_RESOURCES;\r | |
3777 | }\r | |
3778 | \r | |
3779 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3780 | if (mEndOpCodeHandle == NULL) {\r | |
3781 | UninstallSecureBootConfigForm (PrivateData);\r | |
3782 | return EFI_OUT_OF_RESOURCES;\r | |
3783 | }\r | |
3784 | \r | |
3785 | //\r | |
3786 | // Create Hii Extend Label OpCode as the start opcode\r | |
3787 | //\r | |
3788 | mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
3789 | mStartOpCodeHandle,\r | |
3790 | &gEfiIfrTianoGuid,\r | |
3791 | NULL,\r | |
3792 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3793 | );\r | |
3794 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3795 | \r | |
3796 | //\r | |
3797 | // Create Hii Extend Label OpCode as the end opcode\r | |
3798 | //\r | |
3799 | mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
3800 | mEndOpCodeHandle,\r | |
3801 | &gEfiIfrTianoGuid,\r | |
3802 | NULL,\r | |
3803 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3804 | );\r | |
3805 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3806 | mEndLabel->Number = LABEL_END;\r | |
20333c6d | 3807 | \r |
bc0c99b3 | 3808 | return EFI_SUCCESS;\r |
beda2356 | 3809 | }\r |
3810 | \r | |
3811 | /**\r | |
3812 | This function removes SecureBoot configuration Form.\r | |
3813 | \r | |
3814 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
3815 | \r | |
3816 | **/\r | |
3817 | VOID\r | |
3818 | UninstallSecureBootConfigForm (\r | |
3819 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
3820 | )\r | |
3821 | {\r | |
3822 | //\r | |
3823 | // Uninstall HII package list\r | |
3824 | //\r | |
3825 | if (PrivateData->HiiHandle != NULL) {\r | |
3826 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
3827 | PrivateData->HiiHandle = NULL;\r | |
3828 | }\r | |
3829 | \r | |
3830 | //\r | |
3831 | // Uninstall HII Config Access Protocol\r | |
3832 | //\r | |
3833 | if (PrivateData->DriverHandle != NULL) {\r | |
3834 | gBS->UninstallMultipleProtocolInterfaces (\r | |
3835 | PrivateData->DriverHandle,\r | |
3836 | &gEfiDevicePathProtocolGuid,\r | |
3837 | &mSecureBootHiiVendorDevicePath,\r | |
3838 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3839 | &PrivateData->ConfigAccess,\r | |
3840 | NULL\r | |
3841 | );\r | |
3842 | PrivateData->DriverHandle = NULL;\r | |
3843 | }\r | |
bc0c99b3 | 3844 | \r |
ecc722ad | 3845 | if (PrivateData->SignatureGUID != NULL) {\r |
3846 | FreePool (PrivateData->SignatureGUID);\r | |
3847 | }\r | |
3848 | \r | |
ecc722ad | 3849 | if (PrivateData->FileContext != NULL) {\r |
3850 | FreePool (PrivateData->FileContext);\r | |
3851 | }\r | |
3852 | \r | |
beda2356 | 3853 | FreePool (PrivateData);\r |
ecc722ad | 3854 | \r |
ecc722ad | 3855 | if (mStartOpCodeHandle != NULL) {\r |
3856 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
3857 | }\r | |
3858 | \r | |
3859 | if (mEndOpCodeHandle != NULL) {\r | |
3860 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
3861 | }\r | |
beda2356 | 3862 | }\r |