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beda2356 | 1 | /** @file\r |
2 | HII Config Access protocol implementation of SecureBoot configuration module.\r | |
3 | \r | |
02dd6af9 | 4 | Copyright (c) 2011 - 2016, Intel Corporation. All rights reserved.<BR>\r |
bc0c99b3 | 5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
beda2356 | 8 | http://opensource.org/licenses/bsd-license.php\r |
9 | \r | |
bc0c99b3 | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
beda2356 | 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "SecureBootConfigImpl.h"\r | |
16 | \r | |
ecc722ad | 17 | CHAR16 mSecureBootStorageName[] = L"SECUREBOOT_CONFIGURATION";\r |
beda2356 | 18 | \r |
19 | SECUREBOOT_CONFIG_PRIVATE_DATA mSecureBootConfigPrivateDateTemplate = {\r | |
20333c6d | 20 | SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE,\r |
beda2356 | 21 | {\r |
22 | SecureBootExtractConfig,\r | |
23 | SecureBootRouteConfig,\r | |
24 | SecureBootCallback\r | |
25 | }\r | |
26 | };\r | |
27 | \r | |
28 | HII_VENDOR_DEVICE_PATH mSecureBootHiiVendorDevicePath = {\r | |
29 | {\r | |
30 | {\r | |
31 | HARDWARE_DEVICE_PATH,\r | |
32 | HW_VENDOR_DP,\r | |
33 | {\r | |
34 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
35 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
36 | }\r | |
37 | },\r | |
38 | SECUREBOOT_CONFIG_FORM_SET_GUID\r | |
39 | },\r | |
40 | {\r | |
41 | END_DEVICE_PATH_TYPE,\r | |
42 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
bc0c99b3 | 43 | {\r |
beda2356 | 44 | (UINT8) (END_DEVICE_PATH_LENGTH),\r |
45 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
46 | }\r | |
47 | }\r | |
48 | };\r | |
49 | \r | |
ecc722ad | 50 | \r |
a365eed4 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"SHA1", 20, &mHashOidValue[8], 5, Sha1GetContextSize, Sha1Init, Sha1Update, Sha1Final },\r |
67 | { L"SHA224", 28, &mHashOidValue[13], 9, NULL, NULL, NULL, NULL },\r | |
68 | { L"SHA256", 32, &mHashOidValue[22], 9, Sha256GetContextSize, Sha256Init, Sha256Update, Sha256Final},\r | |
69 | { L"SHA384", 48, &mHashOidValue[31], 9, Sha384GetContextSize, Sha384Init, Sha384Update, Sha384Final},\r | |
70 | { L"SHA512", 64, &mHashOidValue[40], 9, Sha512GetContextSize, Sha512Init, Sha512Update, Sha512Final}\r | |
ecc722ad | 71 | };\r |
72 | \r | |
e4d7370d | 73 | //\r |
20333c6d QL |
74 | // Variable Definitions\r |
75 | //\r | |
ecc722ad | 76 | UINT32 mPeCoffHeaderOffset = 0;\r |
77 | WIN_CERTIFICATE *mCertificate = NULL;\r | |
78 | IMAGE_TYPE mImageType;\r | |
79 | UINT8 *mImageBase = NULL;\r | |
80 | UINTN mImageSize = 0;\r | |
81 | UINT8 mImageDigest[MAX_DIGEST_SIZE];\r | |
82 | UINTN mImageDigestSize;\r | |
83 | EFI_GUID mCertType;\r | |
84 | EFI_IMAGE_SECURITY_DATA_DIRECTORY *mSecDataDir = NULL;\r | |
85 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION mNtHeader;\r | |
86 | \r | |
e4d7370d | 87 | //\r |
88 | // Possible DER-encoded certificate file suffixes, end with NULL pointer.\r | |
89 | //\r | |
90 | CHAR16* mDerEncodedSuffix[] = {\r | |
91 | L".cer",\r | |
92 | L".der",\r | |
93 | L".crt",\r | |
94 | NULL\r | |
95 | };\r | |
96 | CHAR16* mSupportX509Suffix = L"*.cer/der/crt";\r | |
97 | \r | |
762d8ddb DB |
98 | SECUREBOOT_CONFIG_PRIVATE_DATA *gSecureBootPrivateData = NULL;\r |
99 | \r | |
e4d7370d | 100 | /**\r |
101 | This code checks if the FileSuffix is one of the possible DER-encoded certificate suffix.\r | |
102 | \r | |
103 | @param[in] FileSuffix The suffix of the input certificate file\r | |
104 | \r | |
105 | @retval TRUE It's a DER-encoded certificate.\r | |
106 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
107 | \r | |
108 | **/\r | |
109 | BOOLEAN\r | |
110 | IsDerEncodeCertificate (\r | |
111 | IN CONST CHAR16 *FileSuffix\r | |
112 | )\r | |
113 | {\r | |
20333c6d | 114 | UINTN Index;\r |
e4d7370d | 115 | for (Index = 0; mDerEncodedSuffix[Index] != NULL; Index++) {\r |
116 | if (StrCmp (FileSuffix, mDerEncodedSuffix[Index]) == 0) {\r | |
117 | return TRUE;\r | |
118 | }\r | |
119 | }\r | |
120 | return FALSE;\r | |
121 | }\r | |
ecc722ad | 122 | \r |
123 | /**\r | |
124 | Set Secure Boot option into variable space.\r | |
125 | \r | |
126 | @param[in] VarValue The option of Secure Boot.\r | |
127 | \r | |
128 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
129 | @retval Others Other errors as indicated.\r | |
130 | \r | |
131 | **/\r | |
132 | EFI_STATUS\r | |
133 | SaveSecureBootVariable (\r | |
134 | IN UINT8 VarValue\r | |
135 | )\r | |
136 | {\r | |
137 | EFI_STATUS Status;\r | |
138 | \r | |
139 | Status = gRT->SetVariable (\r | |
140 | EFI_SECURE_BOOT_ENABLE_NAME,\r | |
141 | &gEfiSecureBootEnableDisableGuid,\r | |
142 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
143 | sizeof (UINT8),\r | |
144 | &VarValue\r | |
145 | );\r | |
146 | return Status;\r | |
147 | }\r | |
148 | \r | |
8c1babfd | 149 | /**\r |
150 | Create a time based data payload by concatenating the EFI_VARIABLE_AUTHENTICATION_2\r | |
151 | descriptor with the input data. NO authentication is required in this function.\r | |
20333c6d | 152 | \r |
8c1babfd | 153 | @param[in, out] DataSize On input, the size of Data buffer in bytes.\r |
154 | On output, the size of data returned in Data\r | |
155 | buffer in bytes.\r | |
20333c6d | 156 | @param[in, out] Data On input, Pointer to data buffer to be wrapped or\r |
8c1babfd | 157 | pointer to NULL to wrap an empty payload.\r |
158 | On output, Pointer to the new payload date buffer allocated from pool,\r | |
20333c6d | 159 | it's caller's responsibility to free the memory when finish using it.\r |
8c1babfd | 160 | \r |
161 | @retval EFI_SUCCESS Create time based payload successfully.\r | |
162 | @retval EFI_OUT_OF_RESOURCES There are not enough memory resourses to create time based payload.\r | |
163 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
164 | @retval Others Unexpected error happens.\r | |
165 | \r | |
166 | **/\r | |
167 | EFI_STATUS\r | |
168 | CreateTimeBasedPayload (\r | |
169 | IN OUT UINTN *DataSize,\r | |
170 | IN OUT UINT8 **Data\r | |
171 | )\r | |
172 | {\r | |
173 | EFI_STATUS Status;\r | |
174 | UINT8 *NewData;\r | |
175 | UINT8 *Payload;\r | |
176 | UINTN PayloadSize;\r | |
177 | EFI_VARIABLE_AUTHENTICATION_2 *DescriptorData;\r | |
178 | UINTN DescriptorSize;\r | |
179 | EFI_TIME Time;\r | |
20333c6d | 180 | \r |
8c1babfd | 181 | if (Data == NULL || DataSize == NULL) {\r |
182 | return EFI_INVALID_PARAMETER;\r | |
183 | }\r | |
20333c6d | 184 | \r |
8c1babfd | 185 | //\r |
20333c6d | 186 | // In Setup mode or Custom mode, the variable does not need to be signed but the\r |
8c1babfd | 187 | // parameters to the SetVariable() call still need to be prepared as authenticated\r |
188 | // variable. So we create EFI_VARIABLE_AUTHENTICATED_2 descriptor without certificate\r | |
189 | // data in it.\r | |
190 | //\r | |
191 | Payload = *Data;\r | |
192 | PayloadSize = *DataSize;\r | |
20333c6d | 193 | \r |
8c1babfd | 194 | DescriptorSize = OFFSET_OF (EFI_VARIABLE_AUTHENTICATION_2, AuthInfo) + OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
195 | NewData = (UINT8*) AllocateZeroPool (DescriptorSize + PayloadSize);\r | |
196 | if (NewData == NULL) {\r | |
197 | return EFI_OUT_OF_RESOURCES;\r | |
198 | }\r | |
199 | \r | |
200 | if ((Payload != NULL) && (PayloadSize != 0)) {\r | |
201 | CopyMem (NewData + DescriptorSize, Payload, PayloadSize);\r | |
202 | }\r | |
203 | \r | |
204 | DescriptorData = (EFI_VARIABLE_AUTHENTICATION_2 *) (NewData);\r | |
205 | \r | |
206 | ZeroMem (&Time, sizeof (EFI_TIME));\r | |
207 | Status = gRT->GetTime (&Time, NULL);\r | |
208 | if (EFI_ERROR (Status)) {\r | |
209 | FreePool(NewData);\r | |
210 | return Status;\r | |
211 | }\r | |
212 | Time.Pad1 = 0;\r | |
213 | Time.Nanosecond = 0;\r | |
214 | Time.TimeZone = 0;\r | |
215 | Time.Daylight = 0;\r | |
216 | Time.Pad2 = 0;\r | |
217 | CopyMem (&DescriptorData->TimeStamp, &Time, sizeof (EFI_TIME));\r | |
20333c6d | 218 | \r |
8c1babfd | 219 | DescriptorData->AuthInfo.Hdr.dwLength = OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r |
220 | DescriptorData->AuthInfo.Hdr.wRevision = 0x0200;\r | |
221 | DescriptorData->AuthInfo.Hdr.wCertificateType = WIN_CERT_TYPE_EFI_GUID;\r | |
222 | CopyGuid (&DescriptorData->AuthInfo.CertType, &gEfiCertPkcs7Guid);\r | |
20333c6d | 223 | \r |
8c1babfd | 224 | if (Payload != NULL) {\r |
225 | FreePool(Payload);\r | |
226 | }\r | |
20333c6d | 227 | \r |
8c1babfd | 228 | *DataSize = DescriptorSize + PayloadSize;\r |
229 | *Data = NewData;\r | |
230 | return EFI_SUCCESS;\r | |
231 | }\r | |
232 | \r | |
ecc722ad | 233 | /**\r |
234 | Internal helper function to delete a Variable given its name and GUID, NO authentication\r | |
235 | required.\r | |
236 | \r | |
237 | @param[in] VariableName Name of the Variable.\r | |
238 | @param[in] VendorGuid GUID of the Variable.\r | |
239 | \r | |
240 | @retval EFI_SUCCESS Variable deleted successfully.\r | |
241 | @retval Others The driver failed to start the device.\r | |
242 | \r | |
243 | **/\r | |
244 | EFI_STATUS\r | |
245 | DeleteVariable (\r | |
246 | IN CHAR16 *VariableName,\r | |
247 | IN EFI_GUID *VendorGuid\r | |
248 | )\r | |
249 | {\r | |
250 | EFI_STATUS Status;\r | |
251 | VOID* Variable;\r | |
8c1babfd | 252 | UINT8 *Data;\r |
253 | UINTN DataSize;\r | |
254 | UINT32 Attr;\r | |
ecc722ad | 255 | \r |
bf4a3dbd | 256 | GetVariable2 (VariableName, VendorGuid, &Variable, NULL);\r |
ecc722ad | 257 | if (Variable == NULL) {\r |
258 | return EFI_SUCCESS;\r | |
259 | }\r | |
f71ed839 | 260 | FreePool (Variable);\r |
ecc722ad | 261 | \r |
8c1babfd | 262 | Data = NULL;\r |
263 | DataSize = 0;\r | |
264 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
265 | | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
ecc722ad | 266 | \r |
8c1babfd | 267 | Status = CreateTimeBasedPayload (&DataSize, &Data);\r |
268 | if (EFI_ERROR (Status)) {\r | |
269 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
270 | return Status;\r | |
ecc722ad | 271 | }\r |
272 | \r | |
8c1babfd | 273 | Status = gRT->SetVariable (\r |
274 | VariableName,\r | |
275 | VendorGuid,\r | |
276 | Attr,\r | |
277 | DataSize,\r | |
278 | Data\r | |
279 | );\r | |
280 | if (Data != NULL) {\r | |
281 | FreePool (Data);\r | |
ecc722ad | 282 | }\r |
ecc722ad | 283 | return Status;\r |
284 | }\r | |
285 | \r | |
f71ed839 | 286 | /**\r |
287 | \r | |
288 | Set the platform secure boot mode into "Custom" or "Standard" mode.\r | |
289 | \r | |
290 | @param[in] SecureBootMode New secure boot mode: STANDARD_SECURE_BOOT_MODE or\r | |
291 | CUSTOM_SECURE_BOOT_MODE.\r | |
20333c6d | 292 | \r |
f71ed839 | 293 | @return EFI_SUCCESS The platform has switched to the special mode successfully.\r |
294 | @return other Fail to operate the secure boot mode.\r | |
20333c6d | 295 | \r |
f71ed839 | 296 | **/\r |
297 | EFI_STATUS\r | |
298 | SetSecureBootMode (\r | |
299 | IN UINT8 SecureBootMode\r | |
300 | )\r | |
301 | {\r | |
20333c6d | 302 | return gRT->SetVariable (\r |
f71ed839 | 303 | EFI_CUSTOM_MODE_NAME,\r |
304 | &gEfiCustomModeEnableGuid,\r | |
305 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
306 | sizeof (UINT8),\r | |
307 | &SecureBootMode\r | |
308 | );\r | |
309 | }\r | |
310 | \r | |
ecc722ad | 311 | /**\r |
312 | Generate the PK signature list from the X509 Certificate storing file (.cer)\r | |
313 | \r | |
314 | @param[in] X509File FileHandle of X509 Certificate storing file.\r | |
315 | @param[out] PkCert Point to the data buffer to store the signature list.\r | |
20333c6d | 316 | \r |
ecc722ad | 317 | @return EFI_UNSUPPORTED Unsupported Key Length.\r |
318 | @return EFI_OUT_OF_RESOURCES There are not enough memory resourses to form the signature list.\r | |
20333c6d | 319 | \r |
ecc722ad | 320 | **/\r |
321 | EFI_STATUS\r | |
322 | CreatePkX509SignatureList (\r | |
20333c6d QL |
323 | IN EFI_FILE_HANDLE X509File,\r |
324 | OUT EFI_SIGNATURE_LIST **PkCert\r | |
ecc722ad | 325 | )\r |
326 | {\r | |
20333c6d | 327 | EFI_STATUS Status;\r |
ecc722ad | 328 | UINT8 *X509Data;\r |
329 | UINTN X509DataSize;\r | |
330 | EFI_SIGNATURE_DATA *PkCertData;\r | |
331 | \r | |
332 | X509Data = NULL;\r | |
333 | PkCertData = NULL;\r | |
20333c6d QL |
334 | X509DataSize = 0;\r |
335 | \r | |
4adc12bf | 336 | Status = ReadFileContent (X509File, (VOID**) &X509Data, &X509DataSize, 0);\r |
ecc722ad | 337 | if (EFI_ERROR (Status)) {\r |
338 | goto ON_EXIT;\r | |
339 | }\r | |
ba57d4fd | 340 | ASSERT (X509Data != NULL);\r |
ecc722ad | 341 | \r |
342 | //\r | |
343 | // Allocate space for PK certificate list and initialize it.\r | |
344 | // Create PK database entry with SignatureHeaderSize equals 0.\r | |
345 | //\r | |
346 | *PkCert = (EFI_SIGNATURE_LIST*) AllocateZeroPool (\r | |
347 | sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
348 | + X509DataSize\r | |
349 | );\r | |
350 | if (*PkCert == NULL) {\r | |
351 | Status = EFI_OUT_OF_RESOURCES;\r | |
352 | goto ON_EXIT;\r | |
353 | }\r | |
354 | \r | |
20333c6d | 355 | (*PkCert)->SignatureListSize = (UINT32) (sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 356 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
357 | + X509DataSize);\r | |
358 | (*PkCert)->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
359 | (*PkCert)->SignatureHeaderSize = 0;\r | |
360 | CopyGuid (&(*PkCert)->SignatureType, &gEfiCertX509Guid);\r | |
20333c6d | 361 | PkCertData = (EFI_SIGNATURE_DATA*) ((UINTN)(*PkCert)\r |
ecc722ad | 362 | + sizeof(EFI_SIGNATURE_LIST)\r |
363 | + (*PkCert)->SignatureHeaderSize);\r | |
20333c6d | 364 | CopyGuid (&PkCertData->SignatureOwner, &gEfiGlobalVariableGuid);\r |
ecc722ad | 365 | //\r |
366 | // Fill the PK database with PKpub data from X509 certificate file.\r | |
20333c6d | 367 | //\r |
ecc722ad | 368 | CopyMem (&(PkCertData->SignatureData[0]), X509Data, X509DataSize);\r |
20333c6d | 369 | \r |
ecc722ad | 370 | ON_EXIT:\r |
20333c6d | 371 | \r |
ecc722ad | 372 | if (X509Data != NULL) {\r |
373 | FreePool (X509Data);\r | |
374 | }\r | |
20333c6d | 375 | \r |
ecc722ad | 376 | if (EFI_ERROR(Status) && *PkCert != NULL) {\r |
377 | FreePool (*PkCert);\r | |
378 | *PkCert = NULL;\r | |
379 | }\r | |
20333c6d | 380 | \r |
ecc722ad | 381 | return Status;\r |
382 | }\r | |
383 | \r | |
384 | /**\r | |
385 | Enroll new PK into the System without original PK's authentication.\r | |
386 | \r | |
387 | The SignatureOwner GUID will be the same with PK's vendorguid.\r | |
388 | \r | |
389 | @param[in] PrivateData The module's private data.\r | |
390 | \r | |
391 | @retval EFI_SUCCESS New PK enrolled successfully.\r | |
392 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
393 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 394 | \r |
ecc722ad | 395 | **/\r |
396 | EFI_STATUS\r | |
397 | EnrollPlatformKey (\r | |
398 | IN SECUREBOOT_CONFIG_PRIVATE_DATA* Private\r | |
20333c6d | 399 | )\r |
ecc722ad | 400 | {\r |
401 | EFI_STATUS Status;\r | |
402 | UINT32 Attr;\r | |
403 | UINTN DataSize;\r | |
404 | EFI_SIGNATURE_LIST *PkCert;\r | |
405 | UINT16* FilePostFix;\r | |
fd64f84f | 406 | UINTN NameLength;\r |
20333c6d | 407 | \r |
ecc722ad | 408 | if (Private->FileContext->FileName == NULL) {\r |
409 | return EFI_INVALID_PARAMETER;\r | |
410 | }\r | |
411 | \r | |
412 | PkCert = NULL;\r | |
413 | \r | |
f71ed839 | 414 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
415 | if (EFI_ERROR (Status)) {\r | |
416 | return Status;\r | |
417 | }\r | |
418 | \r | |
ecc722ad | 419 | //\r |
e4d7370d | 420 | // Parse the file's postfix. Only support DER encoded X.509 certificate files.\r |
ecc722ad | 421 | //\r |
fd64f84f GCPL |
422 | NameLength = StrLen (Private->FileContext->FileName);\r |
423 | if (NameLength <= 4) {\r | |
424 | return EFI_INVALID_PARAMETER;\r | |
425 | }\r | |
426 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
e4d7370d | 427 | if (!IsDerEncodeCertificate(FilePostFix)) {\r |
428 | DEBUG ((EFI_D_ERROR, "Unsupported file type, only DER encoded certificate (%s) is supported.", mSupportX509Suffix));\r | |
ecc722ad | 429 | return EFI_INVALID_PARAMETER;\r |
430 | }\r | |
431 | DEBUG ((EFI_D_INFO, "FileName= %s\n", Private->FileContext->FileName));\r | |
432 | DEBUG ((EFI_D_INFO, "FilePostFix = %s\n", FilePostFix));\r | |
433 | \r | |
434 | //\r | |
435 | // Prase the selected PK file and generature PK certificate list.\r | |
436 | //\r | |
8c1babfd | 437 | Status = CreatePkX509SignatureList (\r |
20333c6d QL |
438 | Private->FileContext->FHandle,\r |
439 | &PkCert\r | |
8c1babfd | 440 | );\r |
441 | if (EFI_ERROR (Status)) {\r | |
442 | goto ON_EXIT;\r | |
ecc722ad | 443 | }\r |
ba57d4fd | 444 | ASSERT (PkCert != NULL);\r |
20333c6d | 445 | \r |
ecc722ad | 446 | //\r |
447 | // Set Platform Key variable.\r | |
20333c6d QL |
448 | //\r |
449 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 450 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
ecc722ad | 451 | DataSize = PkCert->SignatureListSize;\r |
8c1babfd | 452 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &PkCert);\r |
453 | if (EFI_ERROR (Status)) {\r | |
454 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
455 | goto ON_EXIT;\r | |
456 | }\r | |
20333c6d | 457 | \r |
ecc722ad | 458 | Status = gRT->SetVariable(\r |
20333c6d QL |
459 | EFI_PLATFORM_KEY_NAME,\r |
460 | &gEfiGlobalVariableGuid,\r | |
461 | Attr,\r | |
462 | DataSize,\r | |
ecc722ad | 463 | PkCert\r |
464 | );\r | |
465 | if (EFI_ERROR (Status)) {\r | |
466 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
467 | DEBUG ((EFI_D_ERROR, "Enroll PK failed with out of resource.\n"));\r | |
468 | }\r | |
469 | goto ON_EXIT;\r | |
470 | }\r | |
20333c6d | 471 | \r |
ecc722ad | 472 | ON_EXIT:\r |
473 | \r | |
474 | if (PkCert != NULL) {\r | |
475 | FreePool(PkCert);\r | |
476 | }\r | |
20333c6d | 477 | \r |
ecc722ad | 478 | if (Private->FileContext->FHandle != NULL) {\r |
479 | CloseFile (Private->FileContext->FHandle);\r | |
480 | Private->FileContext->FHandle = NULL;\r | |
481 | }\r | |
482 | \r | |
483 | return Status;\r | |
484 | }\r | |
485 | \r | |
486 | /**\r | |
487 | Remove the PK variable.\r | |
488 | \r | |
489 | @retval EFI_SUCCESS Delete PK successfully.\r | |
490 | @retval Others Could not allow to delete PK.\r | |
20333c6d | 491 | \r |
ecc722ad | 492 | **/\r |
493 | EFI_STATUS\r | |
494 | DeletePlatformKey (\r | |
495 | VOID\r | |
496 | )\r | |
497 | {\r | |
498 | EFI_STATUS Status;\r | |
499 | \r | |
f71ed839 | 500 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
501 | if (EFI_ERROR (Status)) {\r | |
502 | return Status;\r | |
503 | }\r | |
504 | \r | |
8c1babfd | 505 | Status = DeleteVariable (\r |
506 | EFI_PLATFORM_KEY_NAME,\r | |
507 | &gEfiGlobalVariableGuid\r | |
508 | );\r | |
ecc722ad | 509 | return Status;\r |
510 | }\r | |
511 | \r | |
512 | /**\r | |
513 | Enroll a new KEK item from public key storing file (*.pbk).\r | |
514 | \r | |
515 | @param[in] PrivateData The module's private data.\r | |
516 | \r | |
517 | @retval EFI_SUCCESS New KEK enrolled successfully.\r | |
518 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
519 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
520 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
521 | \r | |
522 | **/\r | |
523 | EFI_STATUS\r | |
524 | EnrollRsa2048ToKek (\r | |
525 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
526 | )\r | |
527 | {\r | |
528 | EFI_STATUS Status;\r | |
529 | UINT32 Attr;\r | |
530 | UINTN DataSize;\r | |
531 | EFI_SIGNATURE_LIST *KekSigList;\r | |
532 | UINTN KeyBlobSize;\r | |
533 | UINT8 *KeyBlob;\r | |
534 | CPL_KEY_INFO *KeyInfo;\r | |
535 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
536 | UINTN KekSigListSize;\r | |
20333c6d | 537 | UINT8 *KeyBuffer;\r |
ecc722ad | 538 | UINTN KeyLenInBytes;\r |
539 | \r | |
540 | Attr = 0;\r | |
541 | DataSize = 0;\r | |
542 | KeyBuffer = NULL;\r | |
543 | KeyBlobSize = 0;\r | |
544 | KeyBlob = NULL;\r | |
545 | KeyInfo = NULL;\r | |
546 | KEKSigData = NULL;\r | |
547 | KekSigList = NULL;\r | |
548 | KekSigListSize = 0;\r | |
20333c6d | 549 | \r |
ecc722ad | 550 | //\r |
551 | // Form the KeKpub certificate list into EFI_SIGNATURE_LIST type.\r | |
552 | // First, We have to parse out public key data from the pbk key file.\r | |
20333c6d | 553 | //\r |
ecc722ad | 554 | Status = ReadFileContent (\r |
555 | Private->FileContext->FHandle,\r | |
4adc12bf | 556 | (VOID**) &KeyBlob,\r |
ecc722ad | 557 | &KeyBlobSize,\r |
558 | 0\r | |
559 | );\r | |
560 | if (EFI_ERROR (Status)) {\r | |
561 | goto ON_EXIT;\r | |
562 | }\r | |
ba57d4fd | 563 | ASSERT (KeyBlob != NULL);\r |
ecc722ad | 564 | KeyInfo = (CPL_KEY_INFO *) KeyBlob;\r |
565 | if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {\r | |
566 | DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));\r | |
567 | Status = EFI_UNSUPPORTED;\r | |
568 | goto ON_EXIT;\r | |
569 | }\r | |
20333c6d | 570 | \r |
ecc722ad | 571 | //\r |
572 | // Convert the Public key to fix octet string format represented in RSA PKCS#1.\r | |
20333c6d | 573 | //\r |
ecc722ad | 574 | KeyLenInBytes = KeyInfo->KeyLengthInBits / 8;\r |
575 | KeyBuffer = AllocateZeroPool (KeyLenInBytes);\r | |
576 | if (KeyBuffer == NULL) {\r | |
577 | Status = EFI_OUT_OF_RESOURCES;\r | |
578 | goto ON_EXIT;\r | |
579 | }\r | |
580 | Int2OctStr (\r | |
20333c6d QL |
581 | (UINTN*) (KeyBlob + sizeof (CPL_KEY_INFO)),\r |
582 | KeyLenInBytes / sizeof (UINTN),\r | |
583 | KeyBuffer,\r | |
ecc722ad | 584 | KeyLenInBytes\r |
585 | );\r | |
586 | CopyMem(KeyBlob + sizeof(CPL_KEY_INFO), KeyBuffer, KeyLenInBytes);\r | |
20333c6d | 587 | \r |
ecc722ad | 588 | //\r |
589 | // Form an new EFI_SIGNATURE_LIST.\r | |
590 | //\r | |
591 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
592 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
593 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
594 | \r | |
595 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
596 | if (KekSigList == NULL) {\r | |
597 | Status = EFI_OUT_OF_RESOURCES;\r | |
598 | goto ON_EXIT;\r | |
599 | }\r | |
600 | \r | |
601 | KekSigList->SignatureListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
602 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
603 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
604 | KekSigList->SignatureHeaderSize = 0;\r | |
605 | KekSigList->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
606 | CopyGuid (&KekSigList->SignatureType, &gEfiCertRsa2048Guid);\r | |
20333c6d | 607 | \r |
ecc722ad | 608 | KEKSigData = (EFI_SIGNATURE_DATA*)((UINT8*)KekSigList + sizeof(EFI_SIGNATURE_LIST));\r |
609 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
610 | CopyMem (\r | |
611 | KEKSigData->SignatureData,\r | |
612 | KeyBlob + sizeof(CPL_KEY_INFO),\r | |
613 | WIN_CERT_UEFI_RSA2048_SIZE\r | |
614 | );\r | |
20333c6d | 615 | \r |
ecc722ad | 616 | //\r |
20333c6d QL |
617 | // Check if KEK entry has been already existed.\r |
618 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 619 | // new KEK to original variable.\r |
20333c6d QL |
620 | //\r |
621 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 622 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
623 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
624 | if (EFI_ERROR (Status)) {\r | |
625 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
626 | goto ON_EXIT;\r | |
627 | }\r | |
628 | \r | |
ecc722ad | 629 | Status = gRT->GetVariable(\r |
20333c6d QL |
630 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
631 | &gEfiGlobalVariableGuid,\r | |
632 | NULL,\r | |
633 | &DataSize,\r | |
ecc722ad | 634 | NULL\r |
635 | );\r | |
636 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
637 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
638 | } else if (Status != EFI_NOT_FOUND) {\r | |
639 | goto ON_EXIT;\r | |
640 | }\r | |
20333c6d | 641 | \r |
ecc722ad | 642 | //\r |
643 | // Done. Now we have formed the correct KEKpub database item, just set it into variable storage,\r | |
20333c6d | 644 | //\r |
ecc722ad | 645 | Status = gRT->SetVariable(\r |
20333c6d QL |
646 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
647 | &gEfiGlobalVariableGuid,\r | |
648 | Attr,\r | |
649 | KekSigListSize,\r | |
ecc722ad | 650 | KekSigList\r |
651 | );\r | |
652 | if (EFI_ERROR (Status)) {\r | |
653 | goto ON_EXIT;\r | |
654 | }\r | |
20333c6d | 655 | \r |
ecc722ad | 656 | ON_EXIT:\r |
657 | \r | |
658 | CloseFile (Private->FileContext->FHandle);\r | |
659 | Private->FileContext->FHandle = NULL;\r | |
762d8ddb DB |
660 | \r |
661 | if (Private->FileContext->FileName != NULL){\r | |
662 | FreePool(Private->FileContext->FileName);\r | |
663 | Private->FileContext->FileName = NULL;\r | |
664 | }\r | |
ecc722ad | 665 | \r |
666 | if (Private->SignatureGUID != NULL) {\r | |
667 | FreePool (Private->SignatureGUID);\r | |
668 | Private->SignatureGUID = NULL;\r | |
669 | }\r | |
670 | \r | |
671 | if (KeyBlob != NULL) {\r | |
672 | FreePool (KeyBlob);\r | |
673 | }\r | |
674 | if (KeyBuffer != NULL) {\r | |
675 | FreePool (KeyBuffer);\r | |
676 | }\r | |
677 | if (KekSigList != NULL) {\r | |
678 | FreePool (KekSigList);\r | |
679 | }\r | |
20333c6d | 680 | \r |
ecc722ad | 681 | return Status;\r |
682 | }\r | |
683 | \r | |
684 | /**\r | |
685 | Enroll a new KEK item from X509 certificate file.\r | |
686 | \r | |
687 | @param[in] PrivateData The module's private data.\r | |
688 | \r | |
689 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
690 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
691 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
692 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
693 | \r | |
694 | **/\r | |
695 | EFI_STATUS\r | |
696 | EnrollX509ToKek (\r | |
697 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
20333c6d | 698 | )\r |
ecc722ad | 699 | {\r |
700 | EFI_STATUS Status;\r | |
701 | UINTN X509DataSize;\r | |
702 | VOID *X509Data;\r | |
703 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
704 | EFI_SIGNATURE_LIST *KekSigList;\r | |
705 | UINTN DataSize;\r | |
706 | UINTN KekSigListSize;\r | |
707 | UINT32 Attr;\r | |
708 | \r | |
709 | X509Data = NULL;\r | |
710 | X509DataSize = 0;\r | |
711 | KekSigList = NULL;\r | |
712 | KekSigListSize = 0;\r | |
713 | DataSize = 0;\r | |
714 | KEKSigData = NULL;\r | |
715 | \r | |
716 | Status = ReadFileContent (\r | |
717 | Private->FileContext->FHandle,\r | |
718 | &X509Data,\r | |
719 | &X509DataSize,\r | |
720 | 0\r | |
721 | );\r | |
722 | if (EFI_ERROR (Status)) {\r | |
723 | goto ON_EXIT;\r | |
724 | }\r | |
ba57d4fd | 725 | ASSERT (X509Data != NULL);\r |
ecc722ad | 726 | \r |
727 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
728 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
729 | if (KekSigList == NULL) {\r | |
730 | Status = EFI_OUT_OF_RESOURCES;\r | |
731 | goto ON_EXIT;\r | |
732 | }\r | |
733 | \r | |
734 | //\r | |
735 | // Fill Certificate Database parameters.\r | |
20333c6d | 736 | //\r |
ecc722ad | 737 | KekSigList->SignatureListSize = (UINT32) KekSigListSize;\r |
738 | KekSigList->SignatureHeaderSize = 0;\r | |
739 | KekSigList->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
740 | CopyGuid (&KekSigList->SignatureType, &gEfiCertX509Guid);\r | |
741 | \r | |
742 | KEKSigData = (EFI_SIGNATURE_DATA*) ((UINT8*) KekSigList + sizeof (EFI_SIGNATURE_LIST));\r | |
743 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
744 | CopyMem (KEKSigData->SignatureData, X509Data, X509DataSize);\r | |
745 | \r | |
746 | //\r | |
20333c6d QL |
747 | // Check if KEK been already existed.\r |
748 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 749 | // new kek to original variable\r |
20333c6d QL |
750 | //\r |
751 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 752 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
753 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
754 | if (EFI_ERROR (Status)) {\r | |
755 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
756 | goto ON_EXIT;\r | |
757 | }\r | |
20333c6d | 758 | \r |
ecc722ad | 759 | Status = gRT->GetVariable(\r |
20333c6d QL |
760 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
761 | &gEfiGlobalVariableGuid,\r | |
762 | NULL,\r | |
763 | &DataSize,\r | |
ecc722ad | 764 | NULL\r |
765 | );\r | |
766 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
767 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
768 | } else if (Status != EFI_NOT_FOUND) {\r | |
769 | goto ON_EXIT;\r | |
20333c6d | 770 | }\r |
ecc722ad | 771 | \r |
772 | Status = gRT->SetVariable(\r | |
20333c6d QL |
773 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
774 | &gEfiGlobalVariableGuid,\r | |
775 | Attr,\r | |
ecc722ad | 776 | KekSigListSize,\r |
777 | KekSigList\r | |
778 | );\r | |
779 | if (EFI_ERROR (Status)) {\r | |
780 | goto ON_EXIT;\r | |
781 | }\r | |
782 | \r | |
783 | ON_EXIT:\r | |
20333c6d QL |
784 | \r |
785 | CloseFile (Private->FileContext->FHandle);\r | |
762d8ddb DB |
786 | if (Private->FileContext->FileName != NULL){\r |
787 | FreePool(Private->FileContext->FileName);\r | |
788 | Private->FileContext->FileName = NULL;\r | |
789 | }\r | |
790 | \r | |
20333c6d QL |
791 | Private->FileContext->FHandle = NULL;\r |
792 | \r | |
793 | if (Private->SignatureGUID != NULL) {\r | |
794 | FreePool (Private->SignatureGUID);\r | |
795 | Private->SignatureGUID = NULL;\r | |
796 | }\r | |
797 | \r | |
798 | if (KekSigList != NULL) {\r | |
799 | FreePool (KekSigList);\r | |
800 | }\r | |
801 | \r | |
802 | return Status;\r | |
803 | }\r | |
804 | \r | |
805 | /**\r | |
806 | Enroll new KEK into the System without PK's authentication.\r | |
807 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
808 | \r | |
809 | @param[in] PrivateData The module's private data.\r | |
810 | \r | |
811 | @retval EFI_SUCCESS New KEK enrolled successful.\r | |
812 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
813 | @retval others Fail to enroll KEK data.\r | |
814 | \r | |
815 | **/\r | |
816 | EFI_STATUS\r | |
817 | EnrollKeyExchangeKey (\r | |
818 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
819 | )\r | |
820 | {\r | |
821 | UINT16* FilePostFix;\r | |
822 | EFI_STATUS Status;\r | |
823 | UINTN NameLength;\r | |
824 | \r | |
825 | if ((Private->FileContext->FileName == NULL) || (Private->SignatureGUID == NULL)) {\r | |
826 | return EFI_INVALID_PARAMETER;\r | |
827 | }\r | |
828 | \r | |
829 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
830 | if (EFI_ERROR (Status)) {\r | |
831 | return Status;\r | |
832 | }\r | |
833 | \r | |
834 | //\r | |
835 | // Parse the file's postfix. Supports DER-encoded X509 certificate,\r | |
836 | // and .pbk as RSA public key file.\r | |
837 | //\r | |
838 | NameLength = StrLen (Private->FileContext->FileName);\r | |
839 | if (NameLength <= 4) {\r | |
840 | return EFI_INVALID_PARAMETER;\r | |
841 | }\r | |
842 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
843 | if (IsDerEncodeCertificate(FilePostFix)) {\r | |
844 | return EnrollX509ToKek (Private);\r | |
845 | } else if (CompareMem (FilePostFix, L".pbk",4) == 0) {\r | |
846 | return EnrollRsa2048ToKek (Private);\r | |
847 | } else {\r | |
848 | return EFI_INVALID_PARAMETER;\r | |
849 | }\r | |
850 | }\r | |
851 | \r | |
852 | /**\r | |
853 | Enroll a new X509 certificate into Signature Database (DB or DBX or DBT) without\r | |
854 | KEK's authentication.\r | |
855 | \r | |
856 | @param[in] PrivateData The module's private data.\r | |
857 | @param[in] VariableName Variable name of signature database, must be\r | |
858 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
859 | \r | |
860 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
861 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
862 | \r | |
863 | **/\r | |
864 | EFI_STATUS\r | |
865 | EnrollX509toSigDB (\r | |
866 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
867 | IN CHAR16 *VariableName\r | |
868 | )\r | |
869 | {\r | |
870 | EFI_STATUS Status;\r | |
871 | UINTN X509DataSize;\r | |
872 | VOID *X509Data;\r | |
873 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
874 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
875 | VOID *Data;\r | |
876 | UINTN DataSize;\r | |
877 | UINTN SigDBSize;\r | |
878 | UINT32 Attr;\r | |
879 | \r | |
880 | X509DataSize = 0;\r | |
881 | SigDBSize = 0;\r | |
882 | DataSize = 0;\r | |
883 | X509Data = NULL;\r | |
884 | SigDBCert = NULL;\r | |
885 | SigDBCertData = NULL;\r | |
886 | Data = NULL;\r | |
887 | \r | |
888 | Status = ReadFileContent (\r | |
889 | Private->FileContext->FHandle,\r | |
890 | &X509Data,\r | |
891 | &X509DataSize,\r | |
892 | 0\r | |
893 | );\r | |
894 | if (EFI_ERROR (Status)) {\r | |
895 | goto ON_EXIT;\r | |
896 | }\r | |
897 | ASSERT (X509Data != NULL);\r | |
898 | \r | |
899 | SigDBSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
900 | \r | |
901 | Data = AllocateZeroPool (SigDBSize);\r | |
902 | if (Data == NULL) {\r | |
903 | Status = EFI_OUT_OF_RESOURCES;\r | |
904 | goto ON_EXIT;\r | |
905 | }\r | |
906 | \r | |
907 | //\r | |
908 | // Fill Certificate Database parameters.\r | |
909 | //\r | |
910 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r | |
911 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
912 | SigDBCert->SignatureHeaderSize = 0;\r | |
913 | SigDBCert->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
914 | CopyGuid (&SigDBCert->SignatureType, &gEfiCertX509Guid);\r | |
915 | \r | |
916 | SigDBCertData = (EFI_SIGNATURE_DATA*) ((UINT8* ) SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r | |
917 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
918 | CopyMem ((UINT8* ) (SigDBCertData->SignatureData), X509Data, X509DataSize);\r | |
919 | \r | |
920 | //\r | |
921 | // Check if signature database entry has been already existed.\r | |
922 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
923 | // new signature data to original variable\r | |
924 | //\r | |
925 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
926 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
927 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
928 | if (EFI_ERROR (Status)) {\r | |
929 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
930 | goto ON_EXIT;\r | |
931 | }\r | |
932 | \r | |
933 | Status = gRT->GetVariable(\r | |
934 | VariableName,\r | |
935 | &gEfiImageSecurityDatabaseGuid,\r | |
936 | NULL,\r | |
937 | &DataSize,\r | |
938 | NULL\r | |
939 | );\r | |
940 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
941 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
942 | } else if (Status != EFI_NOT_FOUND) {\r | |
943 | goto ON_EXIT;\r | |
944 | }\r | |
945 | \r | |
946 | Status = gRT->SetVariable(\r | |
947 | VariableName,\r | |
948 | &gEfiImageSecurityDatabaseGuid,\r | |
949 | Attr,\r | |
950 | SigDBSize,\r | |
951 | Data\r | |
952 | );\r | |
953 | if (EFI_ERROR (Status)) {\r | |
954 | goto ON_EXIT;\r | |
955 | }\r | |
956 | \r | |
957 | ON_EXIT:\r | |
958 | \r | |
959 | CloseFile (Private->FileContext->FHandle);\r | |
762d8ddb DB |
960 | if (Private->FileContext->FileName != NULL){\r |
961 | FreePool(Private->FileContext->FileName);\r | |
962 | Private->FileContext->FileName = NULL;\r | |
963 | }\r | |
964 | \r | |
20333c6d QL |
965 | Private->FileContext->FHandle = NULL;\r |
966 | \r | |
967 | if (Private->SignatureGUID != NULL) {\r | |
968 | FreePool (Private->SignatureGUID);\r | |
969 | Private->SignatureGUID = NULL;\r | |
970 | }\r | |
971 | \r | |
972 | if (Data != NULL) {\r | |
973 | FreePool (Data);\r | |
974 | }\r | |
975 | \r | |
976 | if (X509Data != NULL) {\r | |
977 | FreePool (X509Data);\r | |
978 | }\r | |
979 | \r | |
980 | return Status;\r | |
981 | }\r | |
982 | \r | |
983 | /**\r | |
984 | Check whether signature is in specified database.\r | |
985 | \r | |
986 | @param[in] VariableName Name of database variable that is searched in.\r | |
987 | @param[in] Signature Pointer to signature that is searched for.\r | |
988 | @param[in] SignatureSize Size of Signature.\r | |
989 | \r | |
990 | @return TRUE Found the signature in the variable database.\r | |
991 | @return FALSE Not found the signature in the variable database.\r | |
992 | \r | |
993 | **/\r | |
994 | BOOLEAN\r | |
995 | IsSignatureFoundInDatabase (\r | |
996 | IN CHAR16 *VariableName,\r | |
997 | IN UINT8 *Signature,\r | |
998 | IN UINTN SignatureSize\r | |
999 | )\r | |
1000 | {\r | |
1001 | EFI_STATUS Status;\r | |
1002 | EFI_SIGNATURE_LIST *CertList;\r | |
1003 | EFI_SIGNATURE_DATA *Cert;\r | |
1004 | UINTN DataSize;\r | |
1005 | UINT8 *Data;\r | |
1006 | UINTN Index;\r | |
1007 | UINTN CertCount;\r | |
1008 | BOOLEAN IsFound;\r | |
1009 | \r | |
1010 | //\r | |
1011 | // Read signature database variable.\r | |
1012 | //\r | |
1013 | IsFound = FALSE;\r | |
1014 | Data = NULL;\r | |
1015 | DataSize = 0;\r | |
1016 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1017 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1018 | return FALSE;\r | |
1019 | }\r | |
1020 | \r | |
1021 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1022 | if (Data == NULL) {\r | |
1023 | return FALSE;\r | |
1024 | }\r | |
1025 | \r | |
1026 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1027 | if (EFI_ERROR (Status)) {\r | |
1028 | goto Done;\r | |
1029 | }\r | |
1030 | \r | |
1031 | //\r | |
1032 | // Enumerate all signature data in SigDB to check if executable's signature exists.\r | |
1033 | //\r | |
1034 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
1035 | while ((DataSize > 0) && (DataSize >= CertList->SignatureListSize)) {\r | |
1036 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
1037 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
1038 | if ((CertList->SignatureSize == sizeof(EFI_SIGNATURE_DATA) - 1 + SignatureSize) && (CompareGuid(&CertList->SignatureType, &gEfiCertX509Guid))) {\r | |
1039 | for (Index = 0; Index < CertCount; Index++) {\r | |
1040 | if (CompareMem (Cert->SignatureData, Signature, SignatureSize) == 0) {\r | |
1041 | //\r | |
1042 | // Find the signature in database.\r | |
1043 | //\r | |
1044 | IsFound = TRUE;\r | |
1045 | break;\r | |
1046 | }\r | |
1047 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
1048 | }\r | |
1049 | \r | |
1050 | if (IsFound) {\r | |
1051 | break;\r | |
1052 | }\r | |
1053 | }\r | |
1054 | \r | |
1055 | DataSize -= CertList->SignatureListSize;\r | |
1056 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
1057 | }\r | |
1058 | \r | |
1059 | Done:\r | |
1060 | if (Data != NULL) {\r | |
1061 | FreePool (Data);\r | |
1062 | }\r | |
1063 | \r | |
1064 | return IsFound;\r | |
1065 | }\r | |
1066 | \r | |
1067 | /**\r | |
1068 | Calculate the hash of a certificate data with the specified hash algorithm.\r | |
1069 | \r | |
1070 | @param[in] CertData The certificate data to be hashed.\r | |
1071 | @param[in] CertSize The certificate size in bytes.\r | |
1072 | @param[in] HashAlg The specified hash algorithm.\r | |
1073 | @param[out] CertHash The output digest of the certificate\r | |
1074 | \r | |
1075 | @retval TRUE Successfully got the hash of the CertData.\r | |
1076 | @retval FALSE Failed to get the hash of CertData.\r | |
1077 | \r | |
1078 | **/\r | |
1079 | BOOLEAN\r | |
1080 | CalculateCertHash (\r | |
1081 | IN UINT8 *CertData,\r | |
1082 | IN UINTN CertSize,\r | |
1083 | IN UINT32 HashAlg,\r | |
1084 | OUT UINT8 *CertHash\r | |
1085 | )\r | |
1086 | {\r | |
1087 | BOOLEAN Status;\r | |
1088 | VOID *HashCtx;\r | |
1089 | UINTN CtxSize;\r | |
12d95665 LQ |
1090 | UINT8 *TBSCert;\r |
1091 | UINTN TBSCertSize;\r | |
20333c6d QL |
1092 | \r |
1093 | HashCtx = NULL;\r | |
1094 | Status = FALSE;\r | |
1095 | \r | |
1096 | if (HashAlg >= HASHALG_MAX) {\r | |
1097 | return FALSE;\r | |
1098 | }\r | |
1099 | \r | |
12d95665 LQ |
1100 | //\r |
1101 | // Retrieve the TBSCertificate for Hash Calculation.\r | |
1102 | //\r | |
1103 | if (!X509GetTBSCert (CertData, CertSize, &TBSCert, &TBSCertSize)) {\r | |
1104 | return FALSE;\r | |
1105 | }\r | |
1106 | \r | |
20333c6d QL |
1107 | //\r |
1108 | // 1. Initialize context of hash.\r | |
1109 | //\r | |
1110 | CtxSize = mHash[HashAlg].GetContextSize ();\r | |
1111 | HashCtx = AllocatePool (CtxSize);\r | |
1112 | ASSERT (HashCtx != NULL);\r | |
1113 | \r | |
1114 | //\r | |
1115 | // 2. Initialize a hash context.\r | |
1116 | //\r | |
1117 | Status = mHash[HashAlg].HashInit (HashCtx);\r | |
1118 | if (!Status) {\r | |
1119 | goto Done;\r | |
1120 | }\r | |
1121 | \r | |
1122 | //\r | |
1123 | // 3. Calculate the hash.\r | |
1124 | //\r | |
12d95665 | 1125 | Status = mHash[HashAlg].HashUpdate (HashCtx, TBSCert, TBSCertSize);\r |
20333c6d QL |
1126 | if (!Status) {\r |
1127 | goto Done;\r | |
1128 | }\r | |
1129 | \r | |
1130 | //\r | |
1131 | // 4. Get the hash result.\r | |
1132 | //\r | |
1133 | ZeroMem (CertHash, mHash[HashAlg].DigestLength);\r | |
1134 | Status = mHash[HashAlg].HashFinal (HashCtx, CertHash);\r | |
1135 | \r | |
1136 | Done:\r | |
1137 | if (HashCtx != NULL) {\r | |
1138 | FreePool (HashCtx);\r | |
1139 | }\r | |
1140 | \r | |
1141 | return Status;\r | |
1142 | }\r | |
1143 | \r | |
1144 | /**\r | |
1145 | Check whether the hash of an X.509 certificate is in forbidden database (DBX).\r | |
1146 | \r | |
1147 | @param[in] Certificate Pointer to X.509 Certificate that is searched for.\r | |
1148 | @param[in] CertSize Size of X.509 Certificate.\r | |
1149 | \r | |
1150 | @return TRUE Found the certificate hash in the forbidden database.\r | |
1151 | @return FALSE Certificate hash is Not found in the forbidden database.\r | |
1152 | \r | |
1153 | **/\r | |
1154 | BOOLEAN\r | |
1155 | IsCertHashFoundInDbx (\r | |
1156 | IN UINT8 *Certificate,\r | |
1157 | IN UINTN CertSize\r | |
1158 | )\r | |
1159 | {\r | |
1160 | BOOLEAN IsFound;\r | |
1161 | EFI_STATUS Status;\r | |
1162 | EFI_SIGNATURE_LIST *DbxList;\r | |
1163 | EFI_SIGNATURE_DATA *CertHash;\r | |
1164 | UINTN CertHashCount;\r | |
1165 | UINTN Index;\r | |
1166 | UINT32 HashAlg;\r | |
1167 | UINT8 CertDigest[MAX_DIGEST_SIZE];\r | |
1168 | UINT8 *DbxCertHash;\r | |
1169 | UINTN SiglistHeaderSize;\r | |
1170 | UINT8 *Data;\r | |
1171 | UINTN DataSize;\r | |
1172 | \r | |
1173 | IsFound = FALSE;\r | |
1174 | HashAlg = HASHALG_MAX;\r | |
1175 | Data = NULL;\r | |
1176 | \r | |
1177 | //\r | |
1178 | // Read signature database variable.\r | |
1179 | //\r | |
1180 | DataSize = 0;\r | |
1181 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1182 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1183 | return FALSE;\r | |
1184 | }\r | |
1185 | \r | |
1186 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1187 | if (Data == NULL) {\r | |
1188 | return FALSE;\r | |
1189 | }\r | |
1190 | \r | |
1191 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1192 | if (EFI_ERROR (Status)) {\r | |
1193 | goto Done;\r | |
1194 | }\r | |
1195 | \r | |
1196 | //\r | |
1197 | // Check whether the certificate hash exists in the forbidden database.\r | |
1198 | //\r | |
1199 | DbxList = (EFI_SIGNATURE_LIST *) Data;\r | |
1200 | while ((DataSize > 0) && (DataSize >= DbxList->SignatureListSize)) {\r | |
1201 | //\r | |
1202 | // Determine Hash Algorithm of Certificate in the forbidden database.\r | |
1203 | //\r | |
1204 | if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
1205 | HashAlg = HASHALG_SHA256;\r | |
1206 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
1207 | HashAlg = HASHALG_SHA384;\r | |
1208 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
1209 | HashAlg = HASHALG_SHA512;\r | |
1210 | } else {\r | |
1211 | DataSize -= DbxList->SignatureListSize;\r | |
1212 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1213 | continue;\r | |
1214 | }\r | |
1215 | \r | |
1216 | //\r | |
1217 | // Calculate the hash value of current db certificate for comparision.\r | |
1218 | //\r | |
1219 | if (!CalculateCertHash (Certificate, CertSize, HashAlg, CertDigest)) {\r | |
1220 | goto Done;\r | |
1221 | }\r | |
1222 | \r | |
1223 | SiglistHeaderSize = sizeof (EFI_SIGNATURE_LIST) + DbxList->SignatureHeaderSize;\r | |
1224 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) DbxList + SiglistHeaderSize);\r | |
1225 | CertHashCount = (DbxList->SignatureListSize - SiglistHeaderSize) / DbxList->SignatureSize;\r | |
1226 | for (Index = 0; Index < CertHashCount; Index++) {\r | |
1227 | //\r | |
1228 | // Iterate each Signature Data Node within this CertList for verify.\r | |
1229 | //\r | |
1230 | DbxCertHash = CertHash->SignatureData;\r | |
1231 | if (CompareMem (DbxCertHash, CertDigest, mHash[HashAlg].DigestLength) == 0) {\r | |
1232 | //\r | |
1233 | // Hash of Certificate is found in forbidden database.\r | |
1234 | //\r | |
1235 | IsFound = TRUE;\r | |
1236 | goto Done;\r | |
1237 | }\r | |
1238 | CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertHash + DbxList->SignatureSize);\r | |
1239 | }\r | |
1240 | \r | |
1241 | DataSize -= DbxList->SignatureListSize;\r | |
1242 | DbxList = (EFI_SIGNATURE_LIST *) ((UINT8 *) DbxList + DbxList->SignatureListSize);\r | |
1243 | }\r | |
1244 | \r | |
1245 | Done:\r | |
1246 | if (Data != NULL) {\r | |
1247 | FreePool (Data);\r | |
1248 | }\r | |
1249 | \r | |
1250 | return IsFound;\r | |
1251 | }\r | |
1252 | \r | |
1253 | /**\r | |
1254 | Check whether the signature list exists in given variable data.\r | |
1255 | \r | |
1256 | It searches the signature list for the ceritificate hash by CertType.\r | |
1257 | If the signature list is found, get the offset of Database for the\r | |
1258 | next hash of a certificate.\r | |
1259 | \r | |
1260 | @param[in] Database Variable data to save signature list.\r | |
1261 | @param[in] DatabaseSize Variable size.\r | |
1262 | @param[in] SignatureType The type of the signature.\r | |
1263 | @param[out] Offset The offset to save a new hash of certificate.\r | |
1264 | \r | |
1265 | @return TRUE The signature list is found in the forbidden database.\r | |
1266 | @return FALSE The signature list is not found in the forbidden database.\r | |
1267 | **/\r | |
1268 | BOOLEAN\r | |
1269 | GetSignaturelistOffset (\r | |
1270 | IN EFI_SIGNATURE_LIST *Database,\r | |
1271 | IN UINTN DatabaseSize,\r | |
1272 | IN EFI_GUID *SignatureType,\r | |
1273 | OUT UINTN *Offset\r | |
1274 | )\r | |
1275 | {\r | |
1276 | EFI_SIGNATURE_LIST *SigList;\r | |
1277 | UINTN SiglistSize;\r | |
1278 | \r | |
1279 | if ((Database == NULL) || (DatabaseSize == 0)) {\r | |
1280 | *Offset = 0;\r | |
1281 | return FALSE;\r | |
1282 | }\r | |
1283 | \r | |
1284 | SigList = Database;\r | |
1285 | SiglistSize = DatabaseSize;\r | |
1286 | while ((SiglistSize > 0) && (SiglistSize >= SigList->SignatureListSize)) {\r | |
1287 | if (CompareGuid (&SigList->SignatureType, SignatureType)) {\r | |
1288 | *Offset = DatabaseSize - SiglistSize;\r | |
1289 | return TRUE;\r | |
1290 | }\r | |
1291 | SiglistSize -= SigList->SignatureListSize;\r | |
1292 | SigList = (EFI_SIGNATURE_LIST *) ((UINT8 *) SigList + SigList->SignatureListSize);\r | |
1293 | }\r | |
1294 | *Offset = 0;\r | |
1295 | return FALSE;\r | |
1296 | }\r | |
1297 | \r | |
1298 | /**\r | |
1299 | Enroll a new X509 certificate hash into Signature Database (dbx) without\r | |
1300 | KEK's authentication.\r | |
1301 | \r | |
1302 | @param[in] PrivateData The module's private data.\r | |
1303 | @param[in] HashAlg The hash algorithm to enroll the certificate.\r | |
1304 | @param[in] RevocationDate The revocation date of the certificate.\r | |
1305 | @param[in] RevocationTime The revocation time of the certificate.\r | |
1306 | @param[in] AlwaysRevocation Indicate whether the certificate is always revoked.\r | |
1307 | \r | |
1308 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
1309 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1310 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1311 | \r | |
1312 | **/\r | |
1313 | EFI_STATUS\r | |
1314 | EnrollX509HashtoSigDB (\r | |
1315 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
1316 | IN UINT32 HashAlg,\r | |
1317 | IN EFI_HII_DATE *RevocationDate,\r | |
1318 | IN EFI_HII_TIME *RevocationTime,\r | |
1319 | IN BOOLEAN AlwaysRevocation\r | |
1320 | )\r | |
1321 | {\r | |
1322 | EFI_STATUS Status;\r | |
1323 | UINTN X509DataSize;\r | |
1324 | VOID *X509Data;\r | |
1325 | EFI_SIGNATURE_LIST *SignatureList;\r | |
1326 | UINTN SignatureListSize;\r | |
1327 | UINT8 *Data;\r | |
1328 | UINT8 *NewData;\r | |
1329 | UINTN DataSize;\r | |
1330 | UINTN DbSize;\r | |
1331 | UINT32 Attr;\r | |
1332 | EFI_SIGNATURE_DATA *SignatureData;\r | |
1333 | UINTN SignatureSize;\r | |
1334 | EFI_GUID SignatureType;\r | |
1335 | UINTN Offset;\r | |
1336 | UINT8 CertHash[MAX_DIGEST_SIZE];\r | |
1337 | UINT16* FilePostFix;\r | |
1338 | UINTN NameLength;\r | |
1339 | EFI_TIME *Time;\r | |
1340 | \r | |
1341 | X509DataSize = 0;\r | |
1342 | DbSize = 0;\r | |
1343 | X509Data = NULL;\r | |
1344 | SignatureData = NULL;\r | |
1345 | SignatureList = NULL;\r | |
1346 | Data = NULL;\r | |
1347 | NewData = NULL;\r | |
1348 | \r | |
1349 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
1350 | return EFI_INVALID_PARAMETER;\r | |
1351 | }\r | |
1352 | \r | |
1353 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
1354 | if (EFI_ERROR (Status)) {\r | |
1355 | return Status;\r | |
1356 | }\r | |
1357 | \r | |
1358 | //\r | |
1359 | // Parse the file's postfix.\r | |
1360 | //\r | |
1361 | NameLength = StrLen (Private->FileContext->FileName);\r | |
1362 | if (NameLength <= 4) {\r | |
1363 | return EFI_INVALID_PARAMETER;\r | |
1364 | }\r | |
1365 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
1366 | if (!IsDerEncodeCertificate(FilePostFix)) {\r | |
1367 | //\r | |
1368 | // Only supports DER-encoded X509 certificate.\r | |
1369 | //\r | |
1370 | return EFI_INVALID_PARAMETER;\r | |
1371 | }\r | |
1372 | \r | |
1373 | //\r | |
1374 | // Get the certificate from file and calculate its hash.\r | |
1375 | //\r | |
1376 | Status = ReadFileContent (\r | |
1377 | Private->FileContext->FHandle,\r | |
1378 | &X509Data,\r | |
1379 | &X509DataSize,\r | |
1380 | 0\r | |
1381 | );\r | |
1382 | if (EFI_ERROR (Status)) {\r | |
1383 | goto ON_EXIT;\r | |
1384 | }\r | |
1385 | ASSERT (X509Data != NULL);\r | |
1386 | \r | |
1387 | if (!CalculateCertHash (X509Data, X509DataSize, HashAlg, CertHash)) {\r | |
1388 | goto ON_EXIT;\r | |
1389 | }\r | |
1390 | \r | |
1391 | //\r | |
1392 | // Get the variable for enrollment.\r | |
1393 | //\r | |
1394 | DataSize = 0;\r | |
1395 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1396 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1397 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1398 | if (Data == NULL) {\r | |
1399 | return EFI_OUT_OF_RESOURCES;\r | |
1400 | }\r | |
1401 | \r | |
1402 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1403 | if (EFI_ERROR (Status)) {\r | |
1404 | goto ON_EXIT;\r | |
1405 | }\r | |
1406 | }\r | |
1407 | \r | |
1408 | //\r | |
1409 | // Allocate memory for Signature and fill the Signature\r | |
1410 | //\r | |
1411 | SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + sizeof (EFI_TIME) + mHash[HashAlg].DigestLength;\r | |
1412 | SignatureData = (EFI_SIGNATURE_DATA *) AllocateZeroPool (SignatureSize);\r | |
1413 | if (SignatureData == NULL) {\r | |
1414 | return EFI_OUT_OF_RESOURCES;\r | |
1415 | }\r | |
1416 | CopyGuid (&SignatureData->SignatureOwner, Private->SignatureGUID);\r | |
1417 | CopyMem (SignatureData->SignatureData, CertHash, mHash[HashAlg].DigestLength);\r | |
1418 | \r | |
1419 | //\r | |
1420 | // Fill the time.\r | |
1421 | //\r | |
1422 | if (!AlwaysRevocation) {\r | |
1423 | Time = (EFI_TIME *)(&SignatureData->SignatureData + mHash[HashAlg].DigestLength);\r | |
1424 | Time->Year = RevocationDate->Year;\r | |
1425 | Time->Month = RevocationDate->Month;\r | |
1426 | Time->Day = RevocationDate->Day;\r | |
1427 | Time->Hour = RevocationTime->Hour;\r | |
1428 | Time->Minute = RevocationTime->Minute;\r | |
1429 | Time->Second = RevocationTime->Second;\r | |
1430 | }\r | |
1431 | \r | |
1432 | //\r | |
1433 | // Determine the GUID for certificate hash.\r | |
1434 | //\r | |
1435 | switch (HashAlg) {\r | |
1436 | case HASHALG_SHA256:\r | |
1437 | SignatureType = gEfiCertX509Sha256Guid;\r | |
1438 | break;\r | |
1439 | case HASHALG_SHA384:\r | |
1440 | SignatureType = gEfiCertX509Sha384Guid;\r | |
1441 | break;\r | |
1442 | case HASHALG_SHA512:\r | |
1443 | SignatureType = gEfiCertX509Sha512Guid;\r | |
1444 | break;\r | |
1445 | default:\r | |
1446 | return FALSE;\r | |
1447 | }\r | |
1448 | \r | |
1449 | //\r | |
1450 | // Add signature into the new variable data buffer\r | |
1451 | //\r | |
1452 | if (GetSignaturelistOffset((EFI_SIGNATURE_LIST *)Data, DataSize, &SignatureType, &Offset)) {\r | |
1453 | //\r | |
1454 | // Add the signature to the found signaturelist.\r | |
1455 | //\r | |
1456 | DbSize = DataSize + SignatureSize;\r | |
1457 | NewData = AllocateZeroPool (DbSize);\r | |
1458 | if (NewData == NULL) {\r | |
1459 | Status = EFI_OUT_OF_RESOURCES;\r | |
1460 | goto ON_EXIT;\r | |
1461 | }\r | |
1462 | \r | |
1463 | SignatureList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
1464 | SignatureListSize = (UINTN) ReadUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize);\r | |
1465 | CopyMem (NewData, Data, Offset + SignatureListSize);\r | |
1466 | \r | |
1467 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + Offset);\r | |
1468 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32)(SignatureListSize + SignatureSize));\r | |
1469 | \r | |
1470 | Offset += SignatureListSize;\r | |
1471 | CopyMem (NewData + Offset, SignatureData, SignatureSize);\r | |
1472 | CopyMem (NewData + Offset + SignatureSize, Data + Offset, DataSize - Offset);\r | |
1473 | \r | |
1474 | FreePool (Data);\r | |
1475 | Data = NewData;\r | |
1476 | DataSize = DbSize;\r | |
1477 | } else {\r | |
1478 | //\r | |
1479 | // Create a new signaturelist, and add the signature into the signaturelist.\r | |
1480 | //\r | |
1481 | DbSize = DataSize + sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1482 | NewData = AllocateZeroPool (DbSize);\r | |
1483 | if (NewData == NULL) {\r | |
1484 | Status = EFI_OUT_OF_RESOURCES;\r | |
1485 | goto ON_EXIT;\r | |
1486 | }\r | |
1487 | //\r | |
1488 | // Fill Certificate Database parameters.\r | |
1489 | //\r | |
1490 | SignatureList = (EFI_SIGNATURE_LIST*) (NewData + DataSize);\r | |
1491 | SignatureListSize = sizeof(EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1492 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureListSize, (UINT32) SignatureListSize);\r | |
1493 | WriteUnaligned32 ((UINT32 *) &SignatureList->SignatureSize, (UINT32) SignatureSize);\r | |
1494 | CopyGuid (&SignatureList->SignatureType, &SignatureType);\r | |
1495 | CopyMem ((UINT8* ) SignatureList + sizeof (EFI_SIGNATURE_LIST), SignatureData, SignatureSize);\r | |
1496 | if ((DataSize != 0) && (Data != NULL)) {\r | |
1497 | CopyMem (NewData, Data, DataSize);\r | |
1498 | FreePool (Data);\r | |
1499 | }\r | |
1500 | Data = NewData;\r | |
1501 | DataSize = DbSize;\r | |
1502 | }\r | |
1503 | \r | |
1504 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &Data);\r | |
1505 | if (EFI_ERROR (Status)) {\r | |
1506 | goto ON_EXIT;\r | |
1507 | }\r | |
1508 | \r | |
1509 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
1510 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
1511 | Status = gRT->SetVariable(\r | |
1512 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
1513 | &gEfiImageSecurityDatabaseGuid,\r | |
1514 | Attr,\r | |
1515 | DataSize,\r | |
1516 | Data\r | |
1517 | );\r | |
1518 | if (EFI_ERROR (Status)) {\r | |
1519 | goto ON_EXIT;\r | |
1520 | }\r | |
1521 | \r | |
1522 | ON_EXIT:\r | |
ecc722ad | 1523 | CloseFile (Private->FileContext->FHandle);\r |
762d8ddb DB |
1524 | if (Private->FileContext->FileName != NULL){\r |
1525 | FreePool(Private->FileContext->FileName);\r | |
1526 | Private->FileContext->FileName = NULL;\r | |
1527 | }\r | |
1528 | \r | |
ecc722ad | 1529 | Private->FileContext->FHandle = NULL;\r |
1530 | \r | |
1531 | if (Private->SignatureGUID != NULL) {\r | |
1532 | FreePool (Private->SignatureGUID);\r | |
1533 | Private->SignatureGUID = NULL;\r | |
1534 | }\r | |
1535 | \r | |
20333c6d QL |
1536 | if (Data != NULL) {\r |
1537 | FreePool (Data);\r | |
ecc722ad | 1538 | }\r |
1539 | \r | |
20333c6d QL |
1540 | if (SignatureData != NULL) {\r |
1541 | FreePool (SignatureData);\r | |
ecc722ad | 1542 | }\r |
1543 | \r | |
20333c6d QL |
1544 | if (X509Data != NULL) {\r |
1545 | FreePool (X509Data);\r | |
f71ed839 | 1546 | }\r |
1547 | \r | |
20333c6d | 1548 | return Status;\r |
ecc722ad | 1549 | }\r |
1550 | \r | |
1551 | /**\r | |
20333c6d | 1552 | Check whether a certificate from a file exists in dbx.\r |
ecc722ad | 1553 | \r |
1554 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
1555 | @param[in] VariableName Variable name of signature database, must be\r |
1556 | EFI_IMAGE_SECURITY_DATABASE1.\r | |
ecc722ad | 1557 | \r |
20333c6d QL |
1558 | @retval TRUE The X509 certificate is found in dbx successfully.\r |
1559 | @retval FALSE The X509 certificate is not found in dbx.\r | |
ecc722ad | 1560 | **/\r |
20333c6d QL |
1561 | BOOLEAN\r |
1562 | IsX509CertInDbx (\r | |
ecc722ad | 1563 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1564 | IN CHAR16 *VariableName\r | |
20333c6d | 1565 | )\r |
ecc722ad | 1566 | {\r |
20333c6d QL |
1567 | EFI_STATUS Status;\r |
1568 | UINTN X509DataSize;\r | |
1569 | VOID *X509Data;\r | |
1570 | BOOLEAN IsFound;\r | |
ecc722ad | 1571 | \r |
20333c6d QL |
1572 | //\r |
1573 | // Read the certificate from file\r | |
1574 | //\r | |
ecc722ad | 1575 | X509DataSize = 0;\r |
ecc722ad | 1576 | X509Data = NULL;\r |
ecc722ad | 1577 | Status = ReadFileContent (\r |
1578 | Private->FileContext->FHandle,\r | |
1579 | &X509Data,\r | |
1580 | &X509DataSize,\r | |
1581 | 0\r | |
1582 | );\r | |
1583 | if (EFI_ERROR (Status)) {\r | |
20333c6d | 1584 | return FALSE;\r |
ecc722ad | 1585 | }\r |
1586 | \r | |
1587 | //\r | |
20333c6d | 1588 | // Check the raw certificate.\r |
ecc722ad | 1589 | //\r |
20333c6d QL |
1590 | IsFound = FALSE;\r |
1591 | if (IsSignatureFoundInDatabase (EFI_IMAGE_SECURITY_DATABASE1, X509Data, X509DataSize)) {\r | |
1592 | IsFound = TRUE;\r | |
8c1babfd | 1593 | goto ON_EXIT;\r |
1594 | }\r | |
ecc722ad | 1595 | \r |
20333c6d QL |
1596 | //\r |
1597 | // Check the hash of certificate.\r | |
1598 | //\r | |
1599 | if (IsCertHashFoundInDbx (X509Data, X509DataSize)) {\r | |
1600 | IsFound = TRUE;\r | |
ecc722ad | 1601 | goto ON_EXIT;\r |
1602 | }\r | |
1603 | \r | |
1604 | ON_EXIT:\r | |
ecc722ad | 1605 | if (X509Data != NULL) {\r |
1606 | FreePool (X509Data);\r | |
1607 | }\r | |
1608 | \r | |
20333c6d | 1609 | return IsFound;\r |
ecc722ad | 1610 | }\r |
1611 | \r | |
1612 | /**\r | |
1613 | Load PE/COFF image information into internal buffer and check its validity.\r | |
1614 | \r | |
1615 | @retval EFI_SUCCESS Successful\r | |
1616 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
1617 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
1618 | \r | |
1619 | **/\r | |
1620 | EFI_STATUS\r | |
1621 | LoadPeImage (\r | |
20333c6d QL |
1622 | VOID\r |
1623 | )\r | |
ecc722ad | 1624 | {\r |
1625 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
1626 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
1627 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
1628 | \r | |
1629 | NtHeader32 = NULL;\r | |
1630 | NtHeader64 = NULL;\r | |
1631 | //\r | |
1632 | // Read the Dos header\r | |
1633 | //\r | |
1634 | DosHdr = (EFI_IMAGE_DOS_HEADER*)(mImageBase);\r | |
1635 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE)\r | |
1636 | {\r | |
1637 | //\r | |
20333c6d | 1638 | // DOS image header is present,\r |
ecc722ad | 1639 | // So read the PE header after the DOS image header\r |
1640 | //\r | |
1641 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
1642 | }\r | |
1643 | else\r | |
1644 | {\r | |
1645 | mPeCoffHeaderOffset = 0;\r | |
1646 | }\r | |
1647 | \r | |
1648 | //\r | |
1649 | // Read PE header and check the signature validity and machine compatibility\r | |
1650 | //\r | |
1651 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32*) (mImageBase + mPeCoffHeaderOffset);\r | |
1652 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE)\r | |
1653 | {\r | |
1654 | return EFI_UNSUPPORTED;\r | |
1655 | }\r | |
1656 | \r | |
1657 | mNtHeader.Pe32 = NtHeader32;\r | |
1658 | \r | |
1659 | //\r | |
1660 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1661 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1662 | //\r | |
20333c6d | 1663 | if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32)\r |
a16170a1 AB |
1664 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)\r |
1665 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)) {\r | |
ecc722ad | 1666 | //\r |
a16170a1 | 1667 | // 32-bits Architecture\r |
ecc722ad | 1668 | //\r |
1669 | mImageType = ImageType_IA32;\r | |
1670 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1671 | }\r | |
1672 | else if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
a16170a1 AB |
1673 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)\r |
1674 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_AARCH64)) {\r | |
ecc722ad | 1675 | //\r |
1676 | // 64-bits Architecture\r | |
1677 | //\r | |
1678 | mImageType = ImageType_X64;\r | |
1679 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *) (mImageBase + mPeCoffHeaderOffset);\r | |
1680 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1681 | } else {\r | |
1682 | return EFI_UNSUPPORTED;\r | |
1683 | }\r | |
1684 | \r | |
1685 | return EFI_SUCCESS;\r | |
1686 | }\r | |
1687 | \r | |
1688 | /**\r | |
1689 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1690 | PE/COFF Specification 8.0 Appendix A\r | |
1691 | \r | |
1692 | @param[in] HashAlg Hash algorithm type.\r | |
20333c6d | 1693 | \r |
ecc722ad | 1694 | @retval TRUE Successfully hash image.\r |
1695 | @retval FALSE Fail in hash image.\r | |
1696 | \r | |
1697 | **/\r | |
20333c6d | 1698 | BOOLEAN\r |
ecc722ad | 1699 | HashPeImage (\r |
1700 | IN UINT32 HashAlg\r | |
1701 | )\r | |
1702 | {\r | |
1703 | BOOLEAN Status;\r | |
1704 | UINT16 Magic;\r | |
1705 | EFI_IMAGE_SECTION_HEADER *Section;\r | |
1706 | VOID *HashCtx;\r | |
1707 | UINTN CtxSize;\r | |
1708 | UINT8 *HashBase;\r | |
1709 | UINTN HashSize;\r | |
1710 | UINTN SumOfBytesHashed;\r | |
1711 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1712 | UINTN Index;\r | |
1713 | UINTN Pos;\r | |
1714 | \r | |
1715 | HashCtx = NULL;\r | |
1716 | SectionHeader = NULL;\r | |
1717 | Status = FALSE;\r | |
1718 | \r | |
1719 | if ((HashAlg != HASHALG_SHA1) && (HashAlg != HASHALG_SHA256)) {\r | |
1720 | return FALSE;\r | |
1721 | }\r | |
20333c6d | 1722 | \r |
ecc722ad | 1723 | //\r |
1724 | // Initialize context of hash.\r | |
1725 | //\r | |
1726 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1727 | \r | |
1728 | if (HashAlg == HASHALG_SHA1) {\r | |
1729 | mImageDigestSize = SHA1_DIGEST_SIZE;\r | |
20333c6d | 1730 | mCertType = gEfiCertSha1Guid;\r |
ecc722ad | 1731 | } else if (HashAlg == HASHALG_SHA256) {\r |
1732 | mImageDigestSize = SHA256_DIGEST_SIZE;\r | |
1733 | mCertType = gEfiCertSha256Guid;\r | |
1734 | }\r | |
1735 | \r | |
1736 | CtxSize = mHash[HashAlg].GetContextSize();\r | |
20333c6d | 1737 | \r |
ecc722ad | 1738 | HashCtx = AllocatePool (CtxSize);\r |
1739 | ASSERT (HashCtx != NULL);\r | |
1740 | \r | |
1741 | // 1. Load the image header into memory.\r | |
1742 | \r | |
1743 | // 2. Initialize a SHA hash context.\r | |
1744 | Status = mHash[HashAlg].HashInit(HashCtx);\r | |
1745 | if (!Status) {\r | |
1746 | goto Done;\r | |
1747 | }\r | |
1748 | //\r | |
1749 | // Measuring PE/COFF Image Header;\r | |
1750 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1751 | //\r | |
de2447dd | 1752 | if (mNtHeader.Pe32->FileHeader.Machine == IMAGE_FILE_MACHINE_IA64 && mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
1753 | //\r | |
20333c6d QL |
1754 | // NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value\r |
1755 | // in the PE/COFF Header. If the MachineType is Itanium(IA64) and the\r | |
de2447dd | 1756 | // Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC\r |
1757 | // then override the magic value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC\r | |
1758 | //\r | |
1759 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
1760 | } else {\r | |
1761 | //\r | |
1762 | // Get the magic value from the PE/COFF Optional Header\r | |
1763 | //\r | |
1764 | Magic = mNtHeader.Pe32->OptionalHeader.Magic;\r | |
1765 | }\r | |
20333c6d | 1766 | \r |
ecc722ad | 1767 | //\r |
1768 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1769 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1770 | //\r | |
1771 | HashBase = mImageBase;\r | |
1772 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1773 | //\r | |
1774 | // Use PE32 offset.\r | |
1775 | //\r | |
1776 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.CheckSum) - HashBase);\r | |
1777 | } else {\r | |
1778 | //\r | |
1779 | // Use PE32+ offset.\r | |
1780 | //\r | |
1781 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - HashBase);\r | |
1782 | }\r | |
1783 | \r | |
1784 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1785 | if (!Status) {\r | |
1786 | goto Done;\r | |
1787 | }\r | |
1788 | //\r | |
1789 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1790 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1791 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1792 | //\r | |
1793 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1794 | //\r | |
1795 | // Use PE32 offset.\r | |
1796 | //\r | |
1797 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r | |
1798 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - HashBase);\r | |
1799 | } else {\r | |
1800 | //\r | |
1801 | // Use PE32+ offset.\r | |
20333c6d | 1802 | //\r |
ecc722ad | 1803 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r |
1804 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - HashBase);\r | |
1805 | }\r | |
1806 | \r | |
1807 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1808 | if (!Status) {\r | |
1809 | goto Done;\r | |
1810 | }\r | |
1811 | //\r | |
1812 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
1813 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
1814 | //\r | |
1815 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1816 | //\r | |
1817 | // Use PE32 offset\r | |
1818 | //\r | |
1819 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
1820 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - mImageBase);\r | |
1821 | } else {\r | |
1822 | //\r | |
1823 | // Use PE32+ offset.\r | |
1824 | //\r | |
1825 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
1826 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - mImageBase);\r | |
1827 | }\r | |
1828 | \r | |
1829 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1830 | if (!Status) {\r | |
1831 | goto Done;\r | |
1832 | }\r | |
1833 | //\r | |
1834 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
1835 | //\r | |
1836 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1837 | //\r | |
1838 | // Use PE32 offset.\r | |
1839 | //\r | |
1840 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
1841 | } else {\r | |
1842 | //\r | |
1843 | // Use PE32+ offset\r | |
1844 | //\r | |
1845 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
1846 | }\r | |
1847 | \r | |
1848 | //\r | |
1849 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
1850 | // structures in the image. The 'NumberOfSections' field of the image\r | |
1851 | // header indicates how big the table should be. Do not include any\r | |
1852 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
1853 | //\r | |
1854 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *) AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r | |
1855 | ASSERT (SectionHeader != NULL);\r | |
1856 | //\r | |
1857 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
1858 | // a key, arrange the elements in the table in ascending order. In other\r | |
1859 | // words, sort the section headers according to the disk-file offset of\r | |
1860 | // the section.\r | |
1861 | //\r | |
1862 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1863 | mImageBase +\r | |
1864 | mPeCoffHeaderOffset +\r | |
1865 | sizeof (UINT32) +\r | |
1866 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
1867 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1868 | );\r | |
1869 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1870 | Pos = Index;\r | |
1871 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
1872 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1873 | Pos--;\r | |
1874 | }\r | |
1875 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1876 | Section += 1;\r | |
1877 | }\r | |
1878 | \r | |
1879 | //\r | |
1880 | // 13. Walk through the sorted table, bring the corresponding section\r | |
1881 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
1882 | // field in the section header to determine the amount of data to hash).\r | |
1883 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
1884 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
1885 | //\r | |
1886 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1887 | Section = &SectionHeader[Index];\r | |
1888 | if (Section->SizeOfRawData == 0) {\r | |
1889 | continue;\r | |
1890 | }\r | |
1891 | HashBase = mImageBase + Section->PointerToRawData;\r | |
1892 | HashSize = (UINTN) Section->SizeOfRawData;\r | |
1893 | \r | |
1894 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1895 | if (!Status) {\r | |
1896 | goto Done;\r | |
1897 | }\r | |
1898 | \r | |
1899 | SumOfBytesHashed += HashSize;\r | |
1900 | }\r | |
1901 | \r | |
1902 | //\r | |
1903 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
1904 | // data in the file that needs to be added to the hash. This data begins\r | |
1905 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
1906 | // FileSize - (CertDirectory->Size)\r | |
1907 | //\r | |
1908 | if (mImageSize > SumOfBytesHashed) {\r | |
1909 | HashBase = mImageBase + SumOfBytesHashed;\r | |
1910 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1911 | //\r | |
1912 | // Use PE32 offset.\r | |
1913 | //\r | |
1914 | HashSize = (UINTN)(\r | |
1915 | mImageSize -\r | |
1916 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
1917 | SumOfBytesHashed);\r | |
1918 | } else {\r | |
1919 | //\r | |
1920 | // Use PE32+ offset.\r | |
1921 | //\r | |
1922 | HashSize = (UINTN)(\r | |
1923 | mImageSize -\r | |
1924 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
20333c6d | 1925 | SumOfBytesHashed);\r |
ecc722ad | 1926 | }\r |
1927 | \r | |
1928 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1929 | if (!Status) {\r | |
1930 | goto Done;\r | |
1931 | }\r | |
1932 | }\r | |
1933 | \r | |
1934 | Status = mHash[HashAlg].HashFinal(HashCtx, mImageDigest);\r | |
1935 | \r | |
1936 | Done:\r | |
1937 | if (HashCtx != NULL) {\r | |
1938 | FreePool (HashCtx);\r | |
1939 | }\r | |
1940 | if (SectionHeader != NULL) {\r | |
1941 | FreePool (SectionHeader);\r | |
1942 | }\r | |
1943 | return Status;\r | |
1944 | }\r | |
1945 | \r | |
1946 | /**\r | |
69f8bb52 | 1947 | Recognize the Hash algorithm in PE/COFF Authenticode and calculate hash of\r |
20333c6d | 1948 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification\r |
ecc722ad | 1949 | 8.0 Appendix A\r |
1950 | \r | |
1951 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
1952 | @retval EFI_SUCCESS Hash successfully.\r | |
1953 | \r | |
1954 | **/\r | |
20333c6d | 1955 | EFI_STATUS\r |
ecc722ad | 1956 | HashPeImageByType (\r |
1957 | VOID\r | |
1958 | )\r | |
1959 | {\r | |
1960 | UINT8 Index;\r | |
1961 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
1962 | \r | |
1963 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *) (mImageBase + mSecDataDir->Offset);\r | |
1964 | \r | |
20333c6d | 1965 | for (Index = 0; Index < HASHALG_MAX; Index++) {\r |
ecc722ad | 1966 | //\r |
1967 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
20333c6d | 1968 | // According to PKCS#7 Definition:\r |
ecc722ad | 1969 | // SignedData ::= SEQUENCE {\r |
1970 | // version Version,\r | |
1971 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
1972 | // contentInfo ContentInfo,\r | |
1973 | // .... }\r | |
1974 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
1975 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
1976 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
1977 | //\r | |
1978 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r | |
1979 | //\r | |
1980 | // Only support two bytes of Long Form of Length Encoding.\r | |
1981 | //\r | |
1982 | continue;\r | |
1983 | }\r | |
1984 | \r | |
20333c6d | 1985 | //\r |
ecc722ad | 1986 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r |
1987 | break;\r | |
1988 | }\r | |
1989 | }\r | |
1990 | \r | |
1991 | if (Index == HASHALG_MAX) {\r | |
1992 | return EFI_UNSUPPORTED;\r | |
1993 | }\r | |
1994 | \r | |
1995 | //\r | |
1996 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
1997 | //\r | |
1998 | if (!HashPeImage(Index)) {\r | |
1999 | return EFI_UNSUPPORTED;\r | |
2000 | }\r | |
2001 | \r | |
2002 | return EFI_SUCCESS;\r | |
2003 | }\r | |
2004 | \r | |
2005 | /**\r | |
20333c6d | 2006 | Enroll a new executable's signature into Signature Database.\r |
ecc722ad | 2007 | \r |
2008 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
2009 | @param[in] VariableName Variable name of signature database, must be\r |
2010 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2011 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
ecc722ad | 2012 | \r |
2013 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2014 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2015 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2016 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2017 | \r | |
2018 | **/\r | |
2019 | EFI_STATUS\r | |
2020 | EnrollImageSignatureToSigDB (\r | |
2021 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2022 | IN CHAR16 *VariableName\r | |
2023 | )\r | |
2024 | {\r | |
2025 | EFI_STATUS Status;\r | |
2026 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
2027 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
2028 | VOID *Data;\r | |
2029 | UINTN DataSize;\r | |
2030 | UINTN SigDBSize;\r | |
2031 | UINT32 Attr;\r | |
2032 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
2033 | \r | |
2034 | Data = NULL;\r | |
2035 | GuidCertData = NULL;\r | |
ecc722ad | 2036 | \r |
20333c6d QL |
2037 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r |
2038 | return EFI_UNSUPPORTED;\r | |
2039 | }\r | |
2040 | \r | |
ecc722ad | 2041 | //\r |
2042 | // Form the SigDB certificate list.\r | |
2043 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
2044 | //\r | |
2045 | // We need to parse executable's signature data from specified signed executable file.\r | |
2046 | // In current implementation, we simply trust the pass-in signed executable file.\r | |
2047 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
2048 | //\r | |
2049 | \r | |
2050 | //\r | |
2051 | // Read the whole file content\r | |
2052 | //\r | |
2053 | Status = ReadFileContent(\r | |
2054 | Private->FileContext->FHandle,\r | |
20333c6d QL |
2055 | (VOID **) &mImageBase,\r |
2056 | &mImageSize,\r | |
ecc722ad | 2057 | 0\r |
2058 | );\r | |
2059 | if (EFI_ERROR (Status)) {\r | |
2060 | goto ON_EXIT;\r | |
20333c6d | 2061 | }\r |
ba57d4fd | 2062 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 2063 | \r |
2064 | Status = LoadPeImage ();\r | |
2065 | if (EFI_ERROR (Status)) {\r | |
2066 | goto ON_EXIT;\r | |
2067 | }\r | |
2068 | \r | |
2069 | if (mSecDataDir->SizeOfCert == 0) {\r | |
2070 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2071 | Status = EFI_SECURITY_VIOLATION;\r | |
2072 | goto ON_EXIT;\r | |
2073 | }\r | |
2074 | } else {\r | |
20333c6d | 2075 | \r |
ecc722ad | 2076 | //\r |
2077 | // Read the certificate data\r | |
2078 | //\r | |
2079 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
2080 | \r | |
2081 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
2082 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID*) mCertificate;\r | |
2083 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof(EFI_GUID)) != 0) {\r | |
2084 | Status = EFI_ABORTED;\r | |
2085 | goto ON_EXIT;\r | |
2086 | }\r | |
2087 | \r | |
2088 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2089 | Status = EFI_ABORTED;\r | |
2090 | goto ON_EXIT;;\r | |
2091 | }\r | |
20333c6d | 2092 | \r |
ecc722ad | 2093 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r |
2094 | \r | |
2095 | Status = HashPeImageByType ();\r | |
2096 | if (EFI_ERROR (Status)) {\r | |
2097 | goto ON_EXIT;;\r | |
2098 | }\r | |
2099 | } else {\r | |
2100 | Status = EFI_ABORTED;\r | |
2101 | goto ON_EXIT;\r | |
2102 | }\r | |
2103 | }\r | |
2104 | \r | |
2105 | //\r | |
2106 | // Create a new SigDB entry.\r | |
2107 | //\r | |
20333c6d | 2108 | SigDBSize = sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 2109 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
2110 | + (UINT32) mImageDigestSize;\r | |
2111 | \r | |
2112 | Data = (UINT8*) AllocateZeroPool (SigDBSize);\r | |
2113 | if (Data == NULL) {\r | |
2114 | Status = EFI_OUT_OF_RESOURCES;\r | |
2115 | goto ON_EXIT;\r | |
2116 | }\r | |
20333c6d | 2117 | \r |
ecc722ad | 2118 | //\r |
2119 | // Adjust the Certificate Database parameters.\r | |
20333c6d | 2120 | //\r |
ecc722ad | 2121 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r |
2122 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
2123 | SigDBCert->SignatureHeaderSize = 0;\r | |
2124 | SigDBCert->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + (UINT32) mImageDigestSize;\r | |
2125 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r | |
2126 | \r | |
2127 | SigDBCertData = (EFI_SIGNATURE_DATA*)((UINT8*)SigDBCert + sizeof(EFI_SIGNATURE_LIST));\r | |
2128 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
2129 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
2130 | \r | |
20333c6d | 2131 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r |
8c1babfd | 2132 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
2133 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
2134 | if (EFI_ERROR (Status)) {\r | |
2135 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2136 | goto ON_EXIT;\r | |
2137 | }\r | |
20333c6d | 2138 | \r |
ecc722ad | 2139 | //\r |
20333c6d QL |
2140 | // Check if SigDB variable has been already existed.\r |
2141 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 2142 | // new signature data to original variable\r |
20333c6d | 2143 | //\r |
ecc722ad | 2144 | DataSize = 0;\r |
2145 | Status = gRT->GetVariable(\r | |
20333c6d QL |
2146 | VariableName,\r |
2147 | &gEfiImageSecurityDatabaseGuid,\r | |
2148 | NULL,\r | |
2149 | &DataSize,\r | |
ecc722ad | 2150 | NULL\r |
2151 | );\r | |
2152 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2153 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2154 | } else if (Status != EFI_NOT_FOUND) {\r | |
2155 | goto ON_EXIT;\r | |
20333c6d | 2156 | }\r |
ecc722ad | 2157 | \r |
2158 | //\r | |
2159 | // Enroll the variable.\r | |
2160 | //\r | |
2161 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2162 | VariableName,\r |
2163 | &gEfiImageSecurityDatabaseGuid,\r | |
2164 | Attr,\r | |
2165 | SigDBSize,\r | |
ecc722ad | 2166 | Data\r |
2167 | );\r | |
2168 | if (EFI_ERROR (Status)) {\r | |
2169 | goto ON_EXIT;\r | |
2170 | }\r | |
2171 | \r | |
2172 | ON_EXIT:\r | |
2173 | \r | |
2174 | CloseFile (Private->FileContext->FHandle);\r | |
2175 | Private->FileContext->FHandle = NULL;\r | |
762d8ddb DB |
2176 | \r |
2177 | if (Private->FileContext->FileName != NULL){\r | |
2178 | FreePool(Private->FileContext->FileName);\r | |
2179 | Private->FileContext->FileName = NULL;\r | |
2180 | }\r | |
ecc722ad | 2181 | \r |
2182 | if (Private->SignatureGUID != NULL) {\r | |
2183 | FreePool (Private->SignatureGUID);\r | |
2184 | Private->SignatureGUID = NULL;\r | |
2185 | }\r | |
2186 | \r | |
2187 | if (Data != NULL) {\r | |
2188 | FreePool (Data);\r | |
2189 | }\r | |
2190 | \r | |
2191 | if (mImageBase != NULL) {\r | |
2192 | FreePool (mImageBase);\r | |
2193 | mImageBase = NULL;\r | |
2194 | }\r | |
2195 | \r | |
2196 | return Status;\r | |
2197 | }\r | |
2198 | \r | |
2199 | /**\r | |
20333c6d | 2200 | Enroll signature into DB/DBX/DBT without KEK's authentication.\r |
ecc722ad | 2201 | The SignatureOwner GUID will be Private->SignatureGUID.\r |
20333c6d | 2202 | \r |
ecc722ad | 2203 | @param[in] PrivateData The module's private data.\r |
20333c6d | 2204 | @param[in] VariableName Variable name of signature database, must be\r |
ecc722ad | 2205 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r |
20333c6d | 2206 | \r |
ecc722ad | 2207 | @retval EFI_SUCCESS New signature enrolled successfully.\r |
2208 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2209 | @retval others Fail to enroll signature data.\r | |
20333c6d | 2210 | \r |
ecc722ad | 2211 | **/\r |
2212 | EFI_STATUS\r | |
2213 | EnrollSignatureDatabase (\r | |
2214 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2215 | IN CHAR16 *VariableName\r | |
20333c6d | 2216 | )\r |
ecc722ad | 2217 | {\r |
2218 | UINT16* FilePostFix;\r | |
f71ed839 | 2219 | EFI_STATUS Status;\r |
fd64f84f | 2220 | UINTN NameLength;\r |
ecc722ad | 2221 | \r |
2222 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
2223 | return EFI_INVALID_PARAMETER;\r | |
2224 | }\r | |
2225 | \r | |
20333c6d | 2226 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 2227 | if (EFI_ERROR (Status)) {\r |
2228 | return Status;\r | |
2229 | }\r | |
20333c6d | 2230 | \r |
ecc722ad | 2231 | //\r |
20333c6d | 2232 | // Parse the file's postfix.\r |
ecc722ad | 2233 | //\r |
fd64f84f GCPL |
2234 | NameLength = StrLen (Private->FileContext->FileName);\r |
2235 | if (NameLength <= 4) {\r | |
2236 | return EFI_INVALID_PARAMETER;\r | |
2237 | }\r | |
2238 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
20333c6d | 2239 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
ecc722ad | 2240 | //\r |
e4d7370d | 2241 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 2242 | //\r |
2243 | return EnrollX509toSigDB (Private, VariableName);\r | |
2244 | }\r | |
2245 | \r | |
2246 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
2247 | }\r | |
2248 | \r | |
2249 | /**\r | |
20333c6d | 2250 | List all signatures in specified signature database (e.g. KEK/DB/DBX/DBT)\r |
ecc722ad | 2251 | by GUID in the page for user to select and delete as needed.\r |
2252 | \r | |
2253 | @param[in] PrivateData Module's private data.\r | |
2254 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2255 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2256 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2257 | @param[in] FormId Form ID of current page.\r | |
2258 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2259 | \r | |
2260 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2261 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
20333c6d | 2262 | \r |
ecc722ad | 2263 | **/\r |
2264 | EFI_STATUS\r | |
2265 | UpdateDeletePage (\r | |
2266 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2267 | IN CHAR16 *VariableName,\r | |
2268 | IN EFI_GUID *VendorGuid,\r | |
2269 | IN UINT16 LabelNumber,\r | |
2270 | IN EFI_FORM_ID FormId,\r | |
2271 | IN EFI_QUESTION_ID QuestionIdBase\r | |
2272 | )\r | |
2273 | {\r | |
2274 | EFI_STATUS Status;\r | |
2275 | UINT32 Index;\r | |
2276 | UINTN CertCount;\r | |
2277 | UINTN GuidIndex;\r | |
2278 | VOID *StartOpCodeHandle;\r | |
2279 | VOID *EndOpCodeHandle;\r | |
2280 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
20333c6d | 2281 | EFI_IFR_GUID_LABEL *EndLabel;\r |
ecc722ad | 2282 | UINTN DataSize;\r |
2283 | UINT8 *Data;\r | |
2284 | EFI_SIGNATURE_LIST *CertList;\r | |
2285 | EFI_SIGNATURE_DATA *Cert;\r | |
2286 | UINT32 ItemDataSize;\r | |
2287 | CHAR16 *GuidStr;\r | |
2288 | EFI_STRING_ID GuidID;\r | |
2289 | EFI_STRING_ID Help;\r | |
2290 | \r | |
2291 | Data = NULL;\r | |
2292 | CertList = NULL;\r | |
2293 | Cert = NULL;\r | |
2294 | GuidStr = NULL;\r | |
2295 | StartOpCodeHandle = NULL;\r | |
2296 | EndOpCodeHandle = NULL;\r | |
20333c6d | 2297 | \r |
ecc722ad | 2298 | //\r |
2299 | // Initialize the container for dynamic opcodes.\r | |
2300 | //\r | |
2301 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2302 | if (StartOpCodeHandle == NULL) {\r | |
2303 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2304 | goto ON_EXIT;\r |
ecc722ad | 2305 | }\r |
2306 | \r | |
2307 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2308 | if (EndOpCodeHandle == NULL) {\r | |
2309 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2310 | goto ON_EXIT;\r |
ecc722ad | 2311 | }\r |
2312 | \r | |
2313 | //\r | |
2314 | // Create Hii Extend Label OpCode.\r | |
2315 | //\r | |
2316 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2317 | StartOpCodeHandle,\r | |
2318 | &gEfiIfrTianoGuid,\r | |
2319 | NULL,\r | |
2320 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2321 | );\r | |
2322 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2323 | StartLabel->Number = LabelNumber;\r | |
2324 | \r | |
2325 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2326 | EndOpCodeHandle,\r | |
2327 | &gEfiIfrTianoGuid,\r | |
2328 | NULL,\r | |
2329 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2330 | );\r | |
2331 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2332 | EndLabel->Number = LABEL_END;\r | |
2333 | \r | |
2334 | //\r | |
2335 | // Read Variable.\r | |
2336 | //\r | |
2337 | DataSize = 0;\r | |
20333c6d | 2338 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r |
ecc722ad | 2339 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r |
2340 | goto ON_EXIT;\r | |
2341 | }\r | |
2342 | \r | |
2343 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2344 | if (Data == NULL) {\r | |
2345 | Status = EFI_OUT_OF_RESOURCES;\r | |
2346 | goto ON_EXIT;\r | |
2347 | }\r | |
2348 | \r | |
2349 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
2350 | if (EFI_ERROR (Status)) {\r | |
2351 | goto ON_EXIT;\r | |
2352 | }\r | |
2353 | \r | |
2354 | GuidStr = AllocateZeroPool (100);\r | |
2355 | if (GuidStr == NULL) {\r | |
2356 | Status = EFI_OUT_OF_RESOURCES;\r | |
2357 | goto ON_EXIT;\r | |
2358 | }\r | |
2359 | \r | |
2360 | //\r | |
2361 | // Enumerate all KEK pub data.\r | |
2362 | //\r | |
2363 | ItemDataSize = (UINT32) DataSize;\r | |
2364 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2365 | GuidIndex = 0;\r | |
2366 | \r | |
2367 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2368 | \r | |
2369 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
2370 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
2371 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2372 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
2373 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
2374 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
2375 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
2376 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
20333c6d QL |
2377 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid)) {\r |
2378 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA256_GUID);\r | |
2379 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
2380 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA384_GUID);\r | |
2381 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
2382 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA512_GUID);\r | |
ecc722ad | 2383 | } else {\r |
2384 | //\r | |
2385 | // The signature type is not supported in current implementation.\r | |
2386 | //\r | |
b7d269ea | 2387 | ItemDataSize -= CertList->SignatureListSize;\r |
2388 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
ecc722ad | 2389 | continue;\r |
2390 | }\r | |
2391 | \r | |
2392 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2393 | for (Index = 0; Index < CertCount; Index++) {\r | |
20333c6d QL |
2394 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList\r |
2395 | + sizeof (EFI_SIGNATURE_LIST)\r | |
2396 | + CertList->SignatureHeaderSize\r | |
ecc722ad | 2397 | + Index * CertList->SignatureSize);\r |
2398 | //\r | |
20333c6d | 2399 | // Display GUID and help\r |
ecc722ad | 2400 | //\r |
2401 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
2402 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r | |
2403 | HiiCreateCheckBoxOpCode (\r | |
2404 | StartOpCodeHandle,\r | |
2405 | (EFI_QUESTION_ID) (QuestionIdBase + GuidIndex++),\r | |
20333c6d QL |
2406 | 0,\r |
2407 | 0,\r | |
2408 | GuidID,\r | |
ecc722ad | 2409 | Help,\r |
2410 | EFI_IFR_FLAG_CALLBACK,\r | |
2411 | 0,\r | |
2412 | NULL\r | |
20333c6d | 2413 | );\r |
ecc722ad | 2414 | }\r |
2415 | \r | |
2416 | ItemDataSize -= CertList->SignatureListSize;\r | |
2417 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2418 | }\r | |
2419 | \r | |
2420 | ON_EXIT:\r | |
2421 | HiiUpdateForm (\r | |
2422 | PrivateData->HiiHandle,\r | |
2423 | &gSecureBootConfigFormSetGuid,\r | |
2424 | FormId,\r | |
2425 | StartOpCodeHandle,\r | |
2426 | EndOpCodeHandle\r | |
2427 | );\r | |
2428 | \r | |
2429 | if (StartOpCodeHandle != NULL) {\r | |
2430 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2431 | }\r | |
2432 | \r | |
2433 | if (EndOpCodeHandle != NULL) {\r | |
2434 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2435 | }\r | |
20333c6d | 2436 | \r |
ecc722ad | 2437 | if (Data != NULL) {\r |
2438 | FreePool (Data);\r | |
2439 | }\r | |
2440 | \r | |
2441 | if (GuidStr != NULL) {\r | |
2442 | FreePool (GuidStr);\r | |
2443 | }\r | |
2444 | \r | |
2445 | return EFI_SUCCESS;\r | |
2446 | }\r | |
2447 | \r | |
beda2356 | 2448 | /**\r |
20333c6d | 2449 | Delete a KEK entry from KEK database.\r |
beda2356 | 2450 | \r |
ecc722ad | 2451 | @param[in] PrivateData Module's private data.\r |
2452 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 2453 | \r |
ecc722ad | 2454 | @retval EFI_SUCCESS Delete kek item successfully.\r |
2455 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 2456 | \r |
ecc722ad | 2457 | **/\r |
2458 | EFI_STATUS\r | |
2459 | DeleteKeyExchangeKey (\r | |
2460 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2461 | IN EFI_QUESTION_ID QuestionId\r | |
2462 | )\r | |
2463 | {\r | |
2464 | EFI_STATUS Status;\r | |
2465 | UINTN DataSize;\r | |
2466 | UINT8 *Data;\r | |
2467 | UINT8 *OldData;\r | |
2468 | UINT32 Attr;\r | |
2469 | UINT32 Index;\r | |
2470 | EFI_SIGNATURE_LIST *CertList;\r | |
2471 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2472 | EFI_SIGNATURE_DATA *Cert;\r | |
2473 | UINTN CertCount;\r | |
2474 | UINT32 Offset;\r | |
2475 | BOOLEAN IsKEKItemFound;\r | |
2476 | UINT32 KekDataSize;\r | |
2477 | UINTN DeleteKekIndex;\r | |
2478 | UINTN GuidIndex;\r | |
2479 | \r | |
2480 | Data = NULL;\r | |
2481 | OldData = NULL;\r | |
2482 | CertList = NULL;\r | |
2483 | Cert = NULL;\r | |
20333c6d | 2484 | Attr = 0;\r |
ecc722ad | 2485 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r |
f71ed839 | 2486 | \r |
2487 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
2488 | if (EFI_ERROR (Status)) {\r | |
2489 | return Status;\r | |
2490 | }\r | |
20333c6d | 2491 | \r |
ecc722ad | 2492 | //\r |
2493 | // Get original KEK variable.\r | |
20333c6d QL |
2494 | //\r |
2495 | DataSize = 0;\r | |
ecc722ad | 2496 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r |
2497 | if (EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2498 | goto ON_EXIT;\r | |
2499 | }\r | |
2500 | \r | |
2501 | OldData = (UINT8*)AllocateZeroPool(DataSize);\r | |
2502 | if (OldData == NULL) {\r | |
20333c6d | 2503 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2504 | goto ON_EXIT;\r |
2505 | }\r | |
2506 | \r | |
2507 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
2508 | if (EFI_ERROR(Status)) {\r | |
2509 | goto ON_EXIT;\r | |
2510 | }\r | |
2511 | \r | |
2512 | //\r | |
20333c6d | 2513 | // Allocate space for new variable.\r |
ecc722ad | 2514 | //\r |
2515 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2516 | if (Data == NULL) {\r | |
2517 | Status = EFI_OUT_OF_RESOURCES;\r | |
2518 | goto ON_EXIT;\r | |
2519 | }\r | |
2520 | \r | |
2521 | //\r | |
2522 | // Enumerate all KEK pub data and erasing the target item.\r | |
2523 | //\r | |
2524 | IsKEKItemFound = FALSE;\r | |
2525 | KekDataSize = (UINT32) DataSize;\r | |
2526 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2527 | Offset = 0;\r | |
2528 | GuidIndex = 0;\r | |
2529 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2530 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2531 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2532 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2533 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
2534 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2535 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2536 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2537 | for (Index = 0; Index < CertCount; Index++) {\r | |
2538 | if (GuidIndex == DeleteKekIndex ) {\r | |
2539 | //\r | |
2540 | // Find it! Skip it!\r | |
2541 | //\r | |
2542 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2543 | IsKEKItemFound = TRUE;\r |
ecc722ad | 2544 | } else {\r |
2545 | //\r | |
2546 | // This item doesn't match. Copy it to the Data buffer.\r | |
2547 | //\r | |
2548 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
2549 | Offset += CertList->SignatureSize;\r | |
2550 | }\r | |
2551 | GuidIndex++;\r | |
2552 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8*) Cert + CertList->SignatureSize);\r | |
2553 | }\r | |
2554 | } else {\r | |
2555 | //\r | |
2556 | // This List doesn't match. Copy it to the Data buffer.\r | |
2557 | //\r | |
2558 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
2559 | Offset += CertList->SignatureListSize;\r | |
2560 | }\r | |
20333c6d | 2561 | \r |
ecc722ad | 2562 | KekDataSize -= CertList->SignatureListSize;\r |
2563 | CertList = (EFI_SIGNATURE_LIST*) ((UINT8*) CertList + CertList->SignatureListSize);\r | |
2564 | }\r | |
2565 | \r | |
2566 | if (!IsKEKItemFound) {\r | |
2567 | //\r | |
2568 | // Doesn't find the Kek Item!\r | |
2569 | //\r | |
2570 | Status = EFI_NOT_FOUND;\r | |
2571 | goto ON_EXIT;\r | |
2572 | }\r | |
2573 | \r | |
2574 | //\r | |
2575 | // Delete the Signature header if there is no signature in the list.\r | |
2576 | //\r | |
2577 | KekDataSize = Offset;\r | |
2578 | CertList = (EFI_SIGNATURE_LIST*) Data;\r | |
2579 | Offset = 0;\r | |
2580 | ZeroMem (OldData, KekDataSize);\r | |
2581 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2582 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2583 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2584 | if (CertCount != 0) {\r |
2585 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
2586 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2587 | }\r |
ecc722ad | 2588 | KekDataSize -= CertList->SignatureListSize;\r |
2589 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2590 | }\r | |
2591 | \r | |
ecc722ad | 2592 | DataSize = Offset;\r |
8c1babfd | 2593 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2594 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2595 | if (EFI_ERROR (Status)) {\r | |
2596 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2597 | goto ON_EXIT;\r | |
2598 | }\r | |
2599 | }\r | |
ecc722ad | 2600 | \r |
2601 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2602 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2603 | &gEfiGlobalVariableGuid,\r | |
2604 | Attr,\r | |
2605 | DataSize,\r | |
ecc722ad | 2606 | OldData\r |
2607 | );\r | |
2608 | if (EFI_ERROR (Status)) {\r | |
2609 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
2610 | goto ON_EXIT;\r | |
2611 | }\r | |
20333c6d | 2612 | \r |
ecc722ad | 2613 | ON_EXIT:\r |
2614 | if (Data != NULL) {\r | |
2615 | FreePool(Data);\r | |
2616 | }\r | |
2617 | \r | |
2618 | if (OldData != NULL) {\r | |
2619 | FreePool(OldData);\r | |
2620 | }\r | |
2621 | \r | |
2622 | return UpdateDeletePage (\r | |
20333c6d | 2623 | PrivateData,\r |
ecc722ad | 2624 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2625 | &gEfiGlobalVariableGuid,\r | |
2626 | LABEL_KEK_DELETE,\r | |
2627 | FORMID_DELETE_KEK_FORM,\r | |
2628 | OPTION_DEL_KEK_QUESTION_ID\r | |
2629 | );\r | |
2630 | }\r | |
2631 | \r | |
2632 | /**\r | |
2633 | Delete a signature entry from siganture database.\r | |
beda2356 | 2634 | \r |
ecc722ad | 2635 | @param[in] PrivateData Module's private data.\r |
2636 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2637 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2638 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2639 | @param[in] FormId Form ID of current page.\r | |
2640 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2641 | @param[in] DeleteIndex Signature index to delete.\r | |
20333c6d | 2642 | \r |
ecc722ad | 2643 | @retval EFI_SUCCESS Delete siganture successfully.\r |
2644 | @retval EFI_NOT_FOUND Can't find the signature item,\r | |
2645 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 2646 | **/\r |
2647 | EFI_STATUS\r | |
ecc722ad | 2648 | DeleteSignature (\r |
2649 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2650 | IN CHAR16 *VariableName,\r | |
2651 | IN EFI_GUID *VendorGuid,\r | |
2652 | IN UINT16 LabelNumber,\r | |
2653 | IN EFI_FORM_ID FormId,\r | |
2654 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
2655 | IN UINTN DeleteIndex\r | |
beda2356 | 2656 | )\r |
2657 | {\r | |
ecc722ad | 2658 | EFI_STATUS Status;\r |
2659 | UINTN DataSize;\r | |
2660 | UINT8 *Data;\r | |
2661 | UINT8 *OldData;\r | |
2662 | UINT32 Attr;\r | |
2663 | UINT32 Index;\r | |
2664 | EFI_SIGNATURE_LIST *CertList;\r | |
2665 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2666 | EFI_SIGNATURE_DATA *Cert;\r | |
2667 | UINTN CertCount;\r | |
2668 | UINT32 Offset;\r | |
2669 | BOOLEAN IsItemFound;\r | |
2670 | UINT32 ItemDataSize;\r | |
2671 | UINTN GuidIndex;\r | |
bc0c99b3 | 2672 | \r |
ecc722ad | 2673 | Data = NULL;\r |
2674 | OldData = NULL;\r | |
2675 | CertList = NULL;\r | |
2676 | Cert = NULL;\r | |
20333c6d | 2677 | Attr = 0;\r |
ecc722ad | 2678 | \r |
f71ed839 | 2679 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
2680 | if (EFI_ERROR (Status)) {\r | |
2681 | return Status;\r | |
2682 | }\r | |
2683 | \r | |
ecc722ad | 2684 | //\r |
2685 | // Get original signature list data.\r | |
20333c6d | 2686 | //\r |
ecc722ad | 2687 | DataSize = 0;\r |
2688 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r | |
2689 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2690 | goto ON_EXIT;\r | |
2691 | }\r | |
2692 | \r | |
2693 | OldData = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2694 | if (OldData == NULL) {\r | |
20333c6d | 2695 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2696 | goto ON_EXIT;\r |
2697 | }\r | |
2698 | \r | |
2699 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
2700 | if (EFI_ERROR(Status)) {\r | |
2701 | goto ON_EXIT;\r | |
20333c6d | 2702 | }\r |
ecc722ad | 2703 | \r |
2704 | //\r | |
20333c6d | 2705 | // Allocate space for new variable.\r |
ecc722ad | 2706 | //\r |
2707 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2708 | if (Data == NULL) {\r | |
2709 | Status = EFI_OUT_OF_RESOURCES;\r | |
2710 | goto ON_EXIT;\r | |
2711 | }\r | |
2712 | \r | |
2713 | //\r | |
2714 | // Enumerate all signature data and erasing the target item.\r | |
2715 | //\r | |
2716 | IsItemFound = FALSE;\r | |
2717 | ItemDataSize = (UINT32) DataSize;\r | |
2718 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2719 | Offset = 0;\r | |
2720 | GuidIndex = 0;\r | |
2721 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2722 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2723 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
2724 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
20333c6d QL |
2725 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid) ||\r |
2726 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid) ||\r | |
2727 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid) ||\r | |
2728 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)\r | |
ecc722ad | 2729 | ) {\r |
2730 | //\r | |
2731 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
2732 | //\r | |
2733 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2734 | NewCertList = (EFI_SIGNATURE_LIST*) (Data + Offset);\r | |
2735 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2736 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2737 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2738 | for (Index = 0; Index < CertCount; Index++) {\r | |
2739 | if (GuidIndex == DeleteIndex) {\r | |
2740 | //\r | |
2741 | // Find it! Skip it!\r | |
2742 | //\r | |
2743 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2744 | IsItemFound = TRUE;\r |
ecc722ad | 2745 | } else {\r |
2746 | //\r | |
2747 | // This item doesn't match. Copy it to the Data buffer.\r | |
2748 | //\r | |
2749 | CopyMem (Data + Offset, (UINT8*)(Cert), CertList->SignatureSize);\r | |
2750 | Offset += CertList->SignatureSize;\r | |
2751 | }\r | |
2752 | GuidIndex++;\r | |
2753 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
2754 | }\r | |
2755 | } else {\r | |
2756 | //\r | |
2757 | // This List doesn't match. Just copy it to the Data buffer.\r | |
2758 | //\r | |
2759 | CopyMem (Data + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2760 | Offset += CertList->SignatureListSize;\r | |
2761 | }\r | |
20333c6d | 2762 | \r |
ecc722ad | 2763 | ItemDataSize -= CertList->SignatureListSize;\r |
2764 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2765 | }\r | |
2766 | \r | |
2767 | if (!IsItemFound) {\r | |
2768 | //\r | |
2769 | // Doesn't find the signature Item!\r | |
2770 | //\r | |
2771 | Status = EFI_NOT_FOUND;\r | |
2772 | goto ON_EXIT;\r | |
2773 | }\r | |
2774 | \r | |
2775 | //\r | |
2776 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
2777 | //\r | |
2778 | ItemDataSize = Offset;\r | |
2779 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2780 | Offset = 0;\r | |
2781 | ZeroMem (OldData, ItemDataSize);\r | |
2782 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2783 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2784 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2785 | if (CertCount != 0) {\r |
2786 | CopyMem (OldData + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2787 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2788 | }\r |
ecc722ad | 2789 | ItemDataSize -= CertList->SignatureListSize;\r |
2790 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2791 | }\r | |
2792 | \r | |
ecc722ad | 2793 | DataSize = Offset;\r |
8c1babfd | 2794 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2795 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2796 | if (EFI_ERROR (Status)) {\r | |
2797 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2798 | goto ON_EXIT;\r | |
2799 | }\r | |
2800 | }\r | |
ecc722ad | 2801 | \r |
2802 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2803 | VariableName,\r |
2804 | VendorGuid,\r | |
2805 | Attr,\r | |
2806 | DataSize,\r | |
ecc722ad | 2807 | OldData\r |
2808 | );\r | |
beda2356 | 2809 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2810 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
2811 | goto ON_EXIT;\r | |
beda2356 | 2812 | }\r |
20333c6d | 2813 | \r |
ecc722ad | 2814 | ON_EXIT:\r |
2815 | if (Data != NULL) {\r | |
2816 | FreePool(Data);\r | |
2817 | }\r | |
2818 | \r | |
2819 | if (OldData != NULL) {\r | |
2820 | FreePool(OldData);\r | |
2821 | }\r | |
2822 | \r | |
2823 | return UpdateDeletePage (\r | |
20333c6d | 2824 | PrivateData,\r |
ecc722ad | 2825 | VariableName,\r |
2826 | VendorGuid,\r | |
2827 | LabelNumber,\r | |
2828 | FormId,\r | |
2829 | QuestionIdBase\r | |
2830 | );\r | |
2831 | }\r | |
2832 | \r | |
02dd6af9 CZ |
2833 | /**\r |
2834 | \r | |
2835 | Update SecureBoot strings based on new Secure Boot Mode State. String includes STR_SECURE_BOOT_STATE_CONTENT\r | |
2836 | and STR_CUR_SECURE_BOOT_MODE_CONTENT.\r | |
2837 | \r | |
2838 | @param[in] PrivateData Module's private data.\r | |
2839 | \r | |
2840 | @return EFI_SUCCESS Update secure boot strings successfully.\r | |
2841 | @return other Fail to update secure boot strings.\r | |
2842 | \r | |
2843 | **/\r | |
2844 | EFI_STATUS\r | |
2845 | UpdateSecureBootString(\r | |
2846 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
abffadf0 ZC |
2847 | )\r |
2848 | {\r | |
02dd6af9 CZ |
2849 | UINT8 *SecureBoot;\r |
2850 | \r | |
e8cd9b80 CZ |
2851 | SecureBoot = NULL;\r |
2852 | \r | |
02dd6af9 CZ |
2853 | //\r |
2854 | // Get current secure boot state.\r | |
2855 | //\r | |
e8cd9b80 CZ |
2856 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SecureBoot, NULL);\r |
2857 | if (SecureBoot == NULL) {\r | |
2858 | return EFI_NOT_FOUND;\r | |
02dd6af9 CZ |
2859 | }\r |
2860 | \r | |
2861 | if (*SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
2862 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
2863 | } else {\r | |
2864 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
2865 | }\r | |
02dd6af9 CZ |
2866 | \r |
2867 | FreePool(SecureBoot);\r | |
2868 | \r | |
2869 | return EFI_SUCCESS;\r | |
2870 | }\r | |
2871 | \r | |
ecc722ad | 2872 | /**\r |
2873 | This function extracts configuration from variable.\r | |
20333c6d | 2874 | \r |
ecc722ad | 2875 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r |
2876 | \r | |
2877 | **/\r | |
2878 | VOID\r | |
2879 | SecureBootExtractConfigFromVariable (\r | |
2880 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r | |
20333c6d | 2881 | )\r |
ecc722ad | 2882 | {\r |
20333c6d | 2883 | UINT8 *SecureBootEnable;\r |
12087ff6 | 2884 | UINT8 *SetupMode;\r |
20333c6d QL |
2885 | UINT8 *SecureBootMode;\r |
2886 | EFI_TIME CurrTime;\r | |
ecc722ad | 2887 | \r |
2888 | SecureBootEnable = NULL;\r | |
12087ff6 | 2889 | SetupMode = NULL;\r |
ecc722ad | 2890 | SecureBootMode = NULL;\r |
20333c6d QL |
2891 | \r |
2892 | //\r | |
2893 | // Initilize the Date and Time using system time.\r | |
2894 | //\r | |
2895 | ConfigData->CertificateFormat = HASHALG_RAW;\r | |
2896 | ConfigData->AlwaysRevocation = TRUE;\r | |
2897 | gRT->GetTime (&CurrTime, NULL);\r | |
2898 | ConfigData->RevocationDate.Year = CurrTime.Year;\r | |
2899 | ConfigData->RevocationDate.Month = CurrTime.Month;\r | |
2900 | ConfigData->RevocationDate.Day = CurrTime.Day;\r | |
2901 | ConfigData->RevocationTime.Hour = CurrTime.Hour;\r | |
2902 | ConfigData->RevocationTime.Minute = CurrTime.Minute;\r | |
2903 | ConfigData->RevocationTime.Second = 0;\r | |
2904 | \r | |
20333c6d | 2905 | \r |
ecc722ad | 2906 | //\r |
2907 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
2908 | //\r | |
2909 | if (UserPhysicalPresent()) {\r | |
2910 | ConfigData->PhysicalPresent = TRUE;\r | |
2911 | } else {\r | |
2912 | ConfigData->PhysicalPresent = FALSE;\r | |
2913 | }\r | |
20333c6d | 2914 | \r |
96832eef CZ |
2915 | //\r |
2916 | // If there is no PK then the Delete Pk button will be gray.\r | |
2917 | //\r | |
12087ff6 ZC |
2918 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
2919 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
96832eef CZ |
2920 | ConfigData->HasPk = FALSE;\r |
2921 | } else {\r | |
2922 | ConfigData->HasPk = TRUE;\r | |
2923 | }\r | |
2924 | \r | |
126f3b1d ZC |
2925 | //\r |
2926 | // Check SecureBootEnable & Pk status, fix the inconsistence. \r | |
2927 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r | |
2928 | // Checkbox.\r | |
2929 | //\r | |
2930 | ConfigData->AttemptSecureBoot = FALSE;\r | |
2931 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL); \r | |
2932 | \r | |
2933 | //\r | |
2934 | // Fix Pk, SecureBootEnable inconsistence\r | |
2935 | //\r | |
f1005559 | 2936 | if ((SetupMode != NULL) && (*SetupMode) == USER_MODE) {\r |
126f3b1d ZC |
2937 | ConfigData->HideSecureBoot = FALSE;\r |
2938 | if ((SecureBootEnable != NULL) && (*SecureBootEnable == SECURE_BOOT_ENABLE)) {\r | |
2939 | ConfigData->AttemptSecureBoot = TRUE;\r | |
2940 | }\r | |
2941 | } else {\r | |
2942 | ConfigData->HideSecureBoot = TRUE;\r | |
2943 | }\r | |
2944 | \r | |
12087ff6 ZC |
2945 | //\r |
2946 | // Get the SecureBootMode from CustomMode variable.\r | |
2947 | //\r | |
2948 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
2949 | if (SecureBootMode == NULL) {\r | |
2950 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
2951 | } else {\r | |
2952 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
2953 | }\r | |
2954 | \r | |
f71ed839 | 2955 | if (SecureBootEnable != NULL) {\r |
2956 | FreePool (SecureBootEnable);\r | |
2957 | }\r | |
12087ff6 ZC |
2958 | if (SetupMode != NULL) {\r |
2959 | FreePool (SetupMode);\r | |
2960 | }\r | |
f71ed839 | 2961 | if (SecureBootMode != NULL) {\r |
2962 | FreePool (SecureBootMode);\r | |
2963 | }\r | |
beda2356 | 2964 | }\r |
2965 | \r | |
2966 | /**\r | |
2967 | This function allows a caller to extract the current configuration for one\r | |
2968 | or more named elements from the target driver.\r | |
2969 | \r | |
2970 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
2971 | @param[in] Request A null-terminated Unicode string in\r | |
2972 | <ConfigRequest> format.\r | |
2973 | @param[out] Progress On return, points to a character in the Request\r | |
2974 | string. Points to the string's null terminator if\r | |
2975 | request was successful. Points to the most recent\r | |
2976 | '&' before the first failing name/value pair (or\r | |
2977 | the beginning of the string if the failure is in\r | |
2978 | the first name/value pair) if the request was not\r | |
2979 | successful.\r | |
2980 | @param[out] Results A null-terminated Unicode string in\r | |
2981 | <ConfigAltResp> format which has all values filled\r | |
2982 | in for the names in the Request string. String to\r | |
2983 | be allocated by the called function.\r | |
2984 | \r | |
2985 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
2986 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
2987 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
2988 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
2989 | driver.\r | |
2990 | \r | |
2991 | **/\r | |
2992 | EFI_STATUS\r | |
2993 | EFIAPI\r | |
2994 | SecureBootExtractConfig (\r | |
2995 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
2996 | IN CONST EFI_STRING Request,\r | |
2997 | OUT EFI_STRING *Progress,\r | |
2998 | OUT EFI_STRING *Results\r | |
2999 | )\r | |
3000 | {\r | |
3001 | EFI_STATUS Status;\r | |
3002 | UINTN BufferSize;\r | |
bc0c99b3 | 3003 | UINTN Size;\r |
beda2356 | 3004 | SECUREBOOT_CONFIGURATION Configuration;\r |
beda2356 | 3005 | EFI_STRING ConfigRequest;\r |
bc0c99b3 | 3006 | EFI_STRING ConfigRequestHdr;\r |
bc0c99b3 | 3007 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r |
3008 | BOOLEAN AllocatedRequest;\r | |
3009 | \r | |
beda2356 | 3010 | if (Progress == NULL || Results == NULL) {\r |
3011 | return EFI_INVALID_PARAMETER;\r | |
3012 | }\r | |
20333c6d | 3013 | \r |
bc0c99b3 | 3014 | AllocatedRequest = FALSE;\r |
3015 | ConfigRequestHdr = NULL;\r | |
3016 | ConfigRequest = NULL;\r | |
3017 | Size = 0;\r | |
20333c6d | 3018 | \r |
ea71453f | 3019 | ZeroMem (&Configuration, sizeof (Configuration));\r |
bc0c99b3 | 3020 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3021 | *Progress = Request;\r | |
20333c6d | 3022 | \r |
beda2356 | 3023 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
3024 | return EFI_NOT_FOUND;\r | |
3025 | }\r | |
3026 | \r | |
beda2356 | 3027 | //\r |
ecc722ad | 3028 | // Get Configuration from Variable.\r |
beda2356 | 3029 | //\r |
ecc722ad | 3030 | SecureBootExtractConfigFromVariable (&Configuration);\r |
f71ed839 | 3031 | \r |
bc0c99b3 | 3032 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 3033 | ConfigRequest = Request;\r |
bc0c99b3 | 3034 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
3035 | //\r | |
3036 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 3037 | //\r |
3038 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
3039 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
3040 | //\r | |
3041 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
3042 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
3043 | ConfigRequest = AllocateZeroPool (Size);\r | |
3044 | ASSERT (ConfigRequest != NULL);\r | |
3045 | AllocatedRequest = TRUE;\r | |
3046 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
3047 | FreePool (ConfigRequestHdr);\r | |
3048 | ConfigRequestHdr = NULL;\r | |
3049 | }\r | |
beda2356 | 3050 | \r |
3051 | Status = gHiiConfigRouting->BlockToConfig (\r | |
3052 | gHiiConfigRouting,\r | |
3053 | ConfigRequest,\r | |
3054 | (UINT8 *) &Configuration,\r | |
3055 | BufferSize,\r | |
3056 | Results,\r | |
3057 | Progress\r | |
3058 | );\r | |
bc0c99b3 | 3059 | \r |
3060 | //\r | |
3061 | // Free the allocated config request string.\r | |
3062 | //\r | |
3063 | if (AllocatedRequest) {\r | |
3064 | FreePool (ConfigRequest);\r | |
3065 | }\r | |
3066 | \r | |
beda2356 | 3067 | //\r |
3068 | // Set Progress string to the original request string.\r | |
3069 | //\r | |
3070 | if (Request == NULL) {\r | |
3071 | *Progress = NULL;\r | |
3072 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
3073 | *Progress = Request + StrLen (Request);\r | |
3074 | }\r | |
3075 | \r | |
3076 | return Status;\r | |
3077 | }\r | |
3078 | \r | |
3079 | /**\r | |
3080 | This function processes the results of changes in configuration.\r | |
3081 | \r | |
3082 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3083 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
3084 | format.\r | |
3085 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
3086 | the most recent '&' before the first failing\r | |
3087 | name/value pair (or the beginning of the string if\r | |
3088 | the failure is in the first name/value pair) or\r | |
3089 | the terminating NULL if all was successful.\r | |
3090 | \r | |
3091 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
3092 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
3093 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3094 | driver.\r | |
3095 | \r | |
3096 | **/\r | |
3097 | EFI_STATUS\r | |
3098 | EFIAPI\r | |
3099 | SecureBootRouteConfig (\r | |
3100 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3101 | IN CONST EFI_STRING Configuration,\r | |
3102 | OUT EFI_STRING *Progress\r | |
3103 | )\r | |
3104 | {\r | |
a2f2c258 | 3105 | SECUREBOOT_CONFIGURATION IfrNvData;\r |
3106 | UINTN BufferSize;\r | |
3107 | EFI_STATUS Status;\r | |
20333c6d | 3108 | \r |
beda2356 | 3109 | if (Configuration == NULL || Progress == NULL) {\r |
3110 | return EFI_INVALID_PARAMETER;\r | |
3111 | }\r | |
3112 | \r | |
3113 | *Progress = Configuration;\r | |
3114 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
3115 | return EFI_NOT_FOUND;\r | |
3116 | }\r | |
3117 | \r | |
a365eed4 FS |
3118 | //\r |
3119 | // Get Configuration from Variable.\r | |
3120 | //\r | |
3121 | SecureBootExtractConfigFromVariable (&IfrNvData);\r | |
3122 | \r | |
3123 | //\r | |
3124 | // Map the Configuration to the configuration block.\r | |
3125 | //\r | |
a2f2c258 | 3126 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
3127 | Status = gHiiConfigRouting->ConfigToBlock (\r | |
3128 | gHiiConfigRouting,\r | |
3129 | Configuration,\r | |
3130 | (UINT8 *)&IfrNvData,\r | |
3131 | &BufferSize,\r | |
3132 | Progress\r | |
3133 | );\r | |
3134 | if (EFI_ERROR (Status)) {\r | |
3135 | return Status;\r | |
3136 | }\r | |
3137 | \r | |
3138 | //\r | |
3139 | // Store Buffer Storage back to EFI variable if needed\r | |
3140 | //\r | |
126f3b1d | 3141 | if (!IfrNvData.HideSecureBoot) {\r |
a2f2c258 | 3142 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r |
3143 | if (EFI_ERROR (Status)) {\r | |
3144 | return Status;\r | |
3145 | }\r | |
3146 | }\r | |
3147 | \r | |
ecc722ad | 3148 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 3149 | return EFI_SUCCESS;\r |
3150 | }\r | |
3151 | \r | |
3152 | /**\r | |
ecc722ad | 3153 | This function is called to provide results data to the driver.\r |
beda2356 | 3154 | \r |
3155 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3156 | @param[in] Action Specifies the type of action taken by the browser.\r | |
3157 | @param[in] QuestionId A unique value which is sent to the original\r | |
3158 | exporting driver so that it can identify the type\r | |
3159 | of data to expect.\r | |
3160 | @param[in] Type The type of value for the question.\r | |
3161 | @param[in] Value A pointer to the data being sent to the original\r | |
3162 | exporting driver.\r | |
3163 | @param[out] ActionRequest On return, points to the action requested by the\r | |
3164 | callback function.\r | |
3165 | \r | |
3166 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
3167 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
3168 | variable and its data.\r | |
3169 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
3170 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
3171 | callback.\r | |
3172 | \r | |
3173 | **/\r | |
3174 | EFI_STATUS\r | |
3175 | EFIAPI\r | |
3176 | SecureBootCallback (\r | |
3177 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3178 | IN EFI_BROWSER_ACTION Action,\r | |
3179 | IN EFI_QUESTION_ID QuestionId,\r | |
3180 | IN UINT8 Type,\r | |
3181 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
3182 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
3183 | )\r | |
3184 | {\r | |
ecc722ad | 3185 | EFI_INPUT_KEY Key;\r |
20333c6d | 3186 | EFI_STATUS Status;\r |
ecc722ad | 3187 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r |
3188 | UINTN BufferSize;\r | |
3189 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
3190 | UINT16 LabelId;\r | |
bf4a3dbd | 3191 | UINT8 *SecureBootEnable;\r |
126f3b1d | 3192 | UINT8 *Pk;\r |
f71ed839 | 3193 | UINT8 *SecureBootMode;\r |
12087ff6 | 3194 | UINT8 *SetupMode;\r |
e4d7370d | 3195 | CHAR16 PromptString[100];\r |
762d8ddb | 3196 | EFI_DEVICE_PATH_PROTOCOL *File;\r |
bf4a3dbd | 3197 | \r |
96832eef | 3198 | Status = EFI_SUCCESS;\r |
bf4a3dbd | 3199 | SecureBootEnable = NULL;\r |
f71ed839 | 3200 | SecureBootMode = NULL;\r |
12087ff6 | 3201 | SetupMode = NULL;\r |
762d8ddb | 3202 | File = NULL;\r |
bc0c99b3 | 3203 | \r |
beda2356 | 3204 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
3205 | return EFI_INVALID_PARAMETER;\r | |
3206 | }\r | |
12087ff6 | 3207 | \r |
96832eef CZ |
3208 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3209 | \r | |
762d8ddb DB |
3210 | gSecureBootPrivateData = Private;\r |
3211 | \r | |
96832eef CZ |
3212 | //\r |
3213 | // Retrieve uncommitted data from Browser\r | |
3214 | //\r | |
3215 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
3216 | IfrNvData = AllocateZeroPool (BufferSize);\r | |
3217 | if (IfrNvData == NULL) {\r | |
3218 | return EFI_OUT_OF_RESOURCES;\r | |
3219 | }\r | |
3220 | \r | |
3221 | HiiGetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *) IfrNvData);\r | |
beda2356 | 3222 | \r |
a365eed4 FS |
3223 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
3224 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
02dd6af9 CZ |
3225 | //\r |
3226 | // Update secure boot strings when opening this form\r | |
3227 | //\r | |
3228 | Status = UpdateSecureBootString(Private);\r | |
762d8ddb | 3229 | SecureBootExtractConfigFromVariable (IfrNvData);\r |
a365eed4 FS |
3230 | mIsEnterSecureBootForm = TRUE;\r |
3231 | }\r | |
96832eef | 3232 | goto EXIT;\r |
a365eed4 | 3233 | }\r |
20333c6d | 3234 | \r |
a365eed4 FS |
3235 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r |
3236 | Status = EFI_UNSUPPORTED;\r | |
3237 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
3238 | if (mIsEnterSecureBootForm) {\r | |
3239 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
3240 | Status = EFI_SUCCESS;\r | |
3241 | }\r | |
12087ff6 | 3242 | } \r |
96832eef | 3243 | goto EXIT;\r |
a365eed4 | 3244 | }\r |
20333c6d | 3245 | \r |
f71ed839 | 3246 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
3247 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 3248 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
3249 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD)) {\r | |
96832eef CZ |
3250 | Status = EFI_UNSUPPORTED;\r |
3251 | goto EXIT;\r | |
beda2356 | 3252 | }\r |
bc0c99b3 | 3253 | \r |
ecc722ad | 3254 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r |
3255 | \r | |
3256 | switch (QuestionId) {\r | |
3257 | case KEY_SECURE_BOOT_ENABLE:\r | |
f01b91ae | 3258 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
bf4a3dbd | 3259 | if (NULL != SecureBootEnable) {\r |
f71ed839 | 3260 | FreePool (SecureBootEnable);\r |
ecc722ad | 3261 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r |
3262 | CreatePopUp (\r | |
3263 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3264 | &Key,\r | |
3265 | L"Only Physical Presence User could disable secure boot!",\r | |
3266 | NULL\r | |
3267 | );\r | |
3268 | Status = EFI_UNSUPPORTED;\r | |
0357efe3 | 3269 | } else {\r |
3270 | CreatePopUp (\r | |
3271 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3272 | &Key,\r | |
f71ed839 | 3273 | L"Configuration changed, please reset the platform to take effect!",\r |
0357efe3 | 3274 | NULL\r |
3275 | );\r | |
ecc722ad | 3276 | }\r |
ecc722ad | 3277 | }\r |
3278 | break;\r | |
3279 | \r | |
ecc722ad | 3280 | case KEY_SECURE_BOOT_KEK_OPTION:\r |
3281 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
3282 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
20333c6d | 3283 | case KEY_SECURE_BOOT_DBT_OPTION:\r |
ecc722ad | 3284 | //\r |
3285 | // Clear Signature GUID.\r | |
3286 | //\r | |
3287 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
3288 | if (Private->SignatureGUID == NULL) {\r | |
3289 | Private->SignatureGUID = (EFI_GUID *) AllocateZeroPool (sizeof (EFI_GUID));\r | |
3290 | if (Private->SignatureGUID == NULL) {\r | |
3291 | return EFI_OUT_OF_RESOURCES;\r | |
3292 | }\r | |
3293 | }\r | |
beda2356 | 3294 | \r |
ecc722ad | 3295 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r |
3296 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
3297 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
3298 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
20333c6d QL |
3299 | } else if (QuestionId == KEY_SECURE_BOOT_DBT_OPTION) {\r |
3300 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;\r | |
ecc722ad | 3301 | } else {\r |
3302 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
3303 | }\r | |
3304 | \r | |
3305 | //\r | |
3306 | // Refresh selected file.\r | |
3307 | //\r | |
20333c6d | 3308 | CleanUpPage (LabelId, Private);\r |
ecc722ad | 3309 | break;\r |
762d8ddb DB |
3310 | case KEY_SECURE_BOOT_PK_OPTION:\r |
3311 | LabelId = FORMID_ENROLL_PK_FORM;\r | |
3312 | //\r | |
3313 | // Refresh selected file.\r | |
3314 | //\r | |
3315 | CleanUpPage (LabelId, Private);\r | |
3316 | break;\r | |
3317 | \r | |
3318 | case FORMID_ENROLL_PK_FORM:\r | |
d6224153 | 3319 | ChooseFile (NULL, NULL, UpdatePKFromFile, &File);\r |
762d8ddb | 3320 | break;\r |
20333c6d | 3321 | \r |
ecc722ad | 3322 | case FORMID_ENROLL_KEK_FORM:\r |
d6224153 | 3323 | ChooseFile (NULL, NULL, UpdateKEKFromFile, &File);\r |
762d8ddb DB |
3324 | break;\r |
3325 | \r | |
ecc722ad | 3326 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r |
d6224153 | 3327 | ChooseFile (NULL, NULL, UpdateDBFromFile, &File);\r |
762d8ddb DB |
3328 | break;\r |
3329 | \r | |
ecc722ad | 3330 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r |
d6224153 | 3331 | ChooseFile (NULL, NULL, UpdateDBXFromFile, &File);\r |
762d8ddb | 3332 | break;\r |
ecc722ad | 3333 | \r |
762d8ddb | 3334 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBT:\r |
d6224153 | 3335 | ChooseFile (NULL, NULL, UpdateDBTFromFile, &File);\r |
ecc722ad | 3336 | break;\r |
3337 | \r | |
20333c6d | 3338 | case KEY_SECURE_BOOT_DELETE_PK:\r |
f71ed839 | 3339 | if (Value->u8) {\r |
3340 | CreatePopUp (\r | |
3341 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3342 | &Key,\r | |
3343 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
3344 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
3345 | NULL\r | |
3346 | );\r | |
3347 | if (Key.UnicodeChar == 'y' || Key.UnicodeChar == 'Y') {\r | |
ecc722ad | 3348 | Status = DeletePlatformKey ();\r |
f71ed839 | 3349 | if (EFI_ERROR (Status)) {\r |
3350 | CreatePopUp (\r | |
3351 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3352 | &Key,\r | |
3353 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
3354 | NULL\r | |
3355 | );\r | |
3356 | }\r | |
ecc722ad | 3357 | }\r |
f71ed839 | 3358 | }\r |
ecc722ad | 3359 | break;\r |
3360 | \r | |
3361 | case KEY_DELETE_KEK:\r | |
3362 | UpdateDeletePage (\r | |
20333c6d | 3363 | Private,\r |
ecc722ad | 3364 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
3365 | &gEfiGlobalVariableGuid,\r | |
3366 | LABEL_KEK_DELETE,\r | |
3367 | FORMID_DELETE_KEK_FORM,\r | |
20333c6d | 3368 | OPTION_DEL_KEK_QUESTION_ID\r |
ecc722ad | 3369 | );\r |
3370 | break;\r | |
3371 | \r | |
20333c6d | 3372 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB:\r |
ecc722ad | 3373 | UpdateDeletePage (\r |
3374 | Private,\r | |
3375 | EFI_IMAGE_SECURITY_DATABASE,\r | |
3376 | &gEfiImageSecurityDatabaseGuid,\r | |
3377 | LABEL_DB_DELETE,\r | |
3378 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
3379 | OPTION_DEL_DB_QUESTION_ID\r | |
3380 | );\r | |
3381 | break;\r | |
3382 | \r | |
3383 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBX:\r | |
3384 | UpdateDeletePage (\r | |
3385 | Private,\r | |
3386 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
3387 | &gEfiImageSecurityDatabaseGuid,\r | |
3388 | LABEL_DBX_DELETE,\r | |
3389 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r | |
3390 | OPTION_DEL_DBX_QUESTION_ID\r | |
3391 | );\r | |
3392 | \r | |
3393 | break;\r | |
3394 | \r | |
20333c6d QL |
3395 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBT:\r |
3396 | UpdateDeletePage (\r | |
3397 | Private,\r | |
3398 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
3399 | &gEfiImageSecurityDatabaseGuid,\r | |
3400 | LABEL_DBT_DELETE,\r | |
3401 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
3402 | OPTION_DEL_DBT_QUESTION_ID\r | |
3403 | );\r | |
3404 | \r | |
3405 | break;\r | |
3406 | \r | |
ecc722ad | 3407 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r |
3408 | Status = EnrollKeyExchangeKey (Private);\r | |
ee79ac8d | 3409 | if (EFI_ERROR (Status)) {\r |
3410 | CreatePopUp (\r | |
3411 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3412 | &Key,\r | |
3413 | L"ERROR: Unsupported file type!",\r | |
3414 | L"Only supports DER-encoded X509 certificate",\r | |
3415 | NULL\r | |
3416 | );\r | |
3417 | }\r | |
ecc722ad | 3418 | break;\r |
3419 | \r | |
3420 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
3421 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
ee79ac8d | 3422 | if (EFI_ERROR (Status)) {\r |
3423 | CreatePopUp (\r | |
3424 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3425 | &Key,\r | |
3426 | L"ERROR: Unsupported file type!",\r | |
3427 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
3428 | NULL\r | |
3429 | );\r | |
3430 | }\r | |
ecc722ad | 3431 | break;\r |
3432 | \r | |
3433 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
20333c6d QL |
3434 | if (IsX509CertInDbx (Private, EFI_IMAGE_SECURITY_DATABASE1)) {\r |
3435 | CreatePopUp (\r | |
3436 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3437 | &Key,\r | |
3438 | L"Enrollment failed! Same certificate had already been in the dbx!",\r | |
3439 | NULL\r | |
3440 | );\r | |
3441 | break;\r | |
3442 | }\r | |
3443 | \r | |
3444 | if ((IfrNvData != NULL) && (IfrNvData->CertificateFormat < HASHALG_MAX)) {\r | |
3445 | Status = EnrollX509HashtoSigDB (\r | |
3446 | Private,\r | |
3447 | IfrNvData->CertificateFormat,\r | |
3448 | &IfrNvData->RevocationDate,\r | |
3449 | &IfrNvData->RevocationTime,\r | |
3450 | IfrNvData->AlwaysRevocation\r | |
3451 | );\r | |
3452 | } else {\r | |
3453 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
3454 | }\r | |
ee79ac8d | 3455 | if (EFI_ERROR (Status)) {\r |
3456 | CreatePopUp (\r | |
3457 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3458 | &Key,\r | |
3459 | L"ERROR: Unsupported file type!",\r | |
3460 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
3461 | NULL\r | |
3462 | );\r | |
3463 | }\r | |
ecc722ad | 3464 | break;\r |
3465 | \r | |
20333c6d QL |
3466 | case KEY_VALUE_SAVE_AND_EXIT_DBT:\r |
3467 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE2);\r | |
3468 | if (EFI_ERROR (Status)) {\r | |
3469 | CreatePopUp (\r | |
3470 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3471 | &Key,\r | |
3472 | L"ERROR: Unsupported file type!",\r | |
3473 | L"Only supports DER-encoded X509 certificate.",\r | |
3474 | NULL\r | |
3475 | );\r | |
3476 | }\r | |
3477 | break;\r | |
762d8ddb DB |
3478 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r |
3479 | Status = EnrollPlatformKey (Private);\r | |
3480 | if (EFI_ERROR (Status)) {\r | |
3481 | UnicodeSPrint (\r | |
3482 | PromptString,\r | |
3483 | sizeof (PromptString),\r | |
3484 | L"Only DER encoded certificate file (%s) is supported.",\r | |
3485 | mSupportX509Suffix\r | |
3486 | );\r | |
3487 | CreatePopUp (\r | |
3488 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3489 | &Key,\r | |
3490 | L"ERROR: Unsupported file type!",\r | |
3491 | PromptString,\r | |
3492 | NULL\r | |
3493 | );\r | |
3494 | }\r | |
3495 | break;\r | |
ecc722ad | 3496 | default:\r |
762d8ddb | 3497 | if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r |
ecc722ad | 3498 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r |
3499 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
3500 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
3501 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3502 | DeleteSignature (\r | |
3503 | Private,\r | |
3504 | EFI_IMAGE_SECURITY_DATABASE,\r | |
3505 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 3506 | LABEL_DB_DELETE,\r |
ecc722ad | 3507 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r |
3508 | OPTION_DEL_DB_QUESTION_ID,\r | |
3509 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
3510 | );\r | |
3511 | } else if ((QuestionId >= OPTION_DEL_DBX_QUESTION_ID) &&\r | |
3512 | (QuestionId < (OPTION_DEL_DBX_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3513 | DeleteSignature (\r | |
3514 | Private,\r | |
3515 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
3516 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 3517 | LABEL_DBX_DELETE,\r |
ecc722ad | 3518 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r |
3519 | OPTION_DEL_DBX_QUESTION_ID,\r | |
3520 | QuestionId - OPTION_DEL_DBX_QUESTION_ID\r | |
3521 | );\r | |
20333c6d QL |
3522 | } else if ((QuestionId >= OPTION_DEL_DBT_QUESTION_ID) &&\r |
3523 | (QuestionId < (OPTION_DEL_DBT_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3524 | DeleteSignature (\r | |
3525 | Private,\r | |
3526 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
3527 | &gEfiImageSecurityDatabaseGuid,\r | |
3528 | LABEL_DBT_DELETE,\r | |
3529 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
3530 | OPTION_DEL_DBT_QUESTION_ID,\r | |
3531 | QuestionId - OPTION_DEL_DBT_QUESTION_ID\r | |
3532 | );\r | |
ecc722ad | 3533 | }\r |
3534 | break;\r | |
ecc722ad | 3535 | \r |
3536 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
3537 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
3538 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
3539 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
20333c6d | 3540 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBT:\r |
ecc722ad | 3541 | if (Private->FileContext->FHandle != NULL) {\r |
3542 | CloseFile (Private->FileContext->FHandle);\r | |
3543 | Private->FileContext->FHandle = NULL;\r | |
762d8ddb DB |
3544 | if (Private->FileContext->FileName!= NULL){\r |
3545 | FreePool(Private->FileContext->FileName);\r | |
3546 | Private->FileContext->FileName = NULL;\r | |
3547 | }\r | |
ecc722ad | 3548 | }\r |
20333c6d | 3549 | \r |
ecc722ad | 3550 | if (Private->SignatureGUID != NULL) {\r |
3551 | FreePool (Private->SignatureGUID);\r | |
3552 | Private->SignatureGUID = NULL;\r | |
3553 | }\r | |
ecc722ad | 3554 | break;\r |
762d8ddb DB |
3555 | }\r |
3556 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
3557 | switch (QuestionId) {\r | |
3558 | case KEY_SECURE_BOOT_ENABLE:\r | |
3559 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3560 | break;\r | |
ecc722ad | 3561 | case KEY_SECURE_BOOT_MODE:\r |
a365eed4 | 3562 | mIsEnterSecureBootForm = FALSE;\r |
ecc722ad | 3563 | break;\r |
ecc722ad | 3564 | case KEY_SECURE_BOOT_KEK_GUID:\r |
3565 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
3566 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
20333c6d | 3567 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBT:\r |
ecc722ad | 3568 | ASSERT (Private->SignatureGUID != NULL);\r |
3569 | Status = StringToGuid (\r | |
3570 | IfrNvData->SignatureGuid,\r | |
3571 | StrLen (IfrNvData->SignatureGuid),\r | |
3572 | Private->SignatureGUID\r | |
3573 | );\r | |
3574 | if (EFI_ERROR (Status)) {\r | |
3575 | break;\r | |
3576 | }\r | |
3577 | \r | |
3578 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3579 | break;\r | |
3580 | \r | |
3581 | case KEY_SECURE_BOOT_DELETE_PK:\r | |
12087ff6 ZC |
3582 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
3583 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
f71ed839 | 3584 | IfrNvData->DeletePk = TRUE;\r |
3585 | IfrNvData->HasPk = FALSE;\r | |
ecc722ad | 3586 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r |
f71ed839 | 3587 | } else {\r |
3588 | IfrNvData->DeletePk = FALSE;\r | |
3589 | IfrNvData->HasPk = TRUE;\r | |
3590 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3591 | }\r | |
12087ff6 ZC |
3592 | if (SetupMode != NULL) {\r |
3593 | FreePool (SetupMode);\r | |
3594 | }\r | |
c93bcb7e ED |
3595 | break;\r |
3596 | default:\r | |
c93bcb7e | 3597 | break;\r |
ecc722ad | 3598 | }\r |
a2f2c258 | 3599 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
3600 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
126f3b1d ZC |
3601 | GetVariable2 (EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid, (VOID**)&Pk, NULL);\r |
3602 | if (Pk == NULL) {\r | |
a2f2c258 | 3603 | IfrNvData->HideSecureBoot = TRUE;\r |
3604 | } else {\r | |
126f3b1d | 3605 | FreePool (Pk);\r |
a2f2c258 | 3606 | IfrNvData->HideSecureBoot = FALSE;\r |
3607 | }\r | |
3608 | Value->b = IfrNvData->HideSecureBoot;\r | |
3609 | }\r | |
f71ed839 | 3610 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
3611 | //\r | |
3612 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
3613 | //\r | |
3614 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3615 | if (NULL != SecureBootMode && *SecureBootMode == CUSTOM_SECURE_BOOT_MODE) {\r | |
3616 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3617 | SetSecureBootMode(STANDARD_SECURE_BOOT_MODE);\r | |
3618 | }\r | |
3619 | if (SecureBootMode != NULL) {\r | |
3620 | FreePool (SecureBootMode);\r | |
3621 | }\r | |
ecc722ad | 3622 | }\r |
20333c6d | 3623 | \r |
96832eef CZ |
3624 | EXIT:\r |
3625 | \r | |
ecc722ad | 3626 | if (!EFI_ERROR (Status)) {\r |
3627 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
742d9b3a | 3628 | HiiSetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8*) IfrNvData, NULL);\r |
ecc722ad | 3629 | }\r |
96832eef | 3630 | \r |
ecc722ad | 3631 | FreePool (IfrNvData);\r |
20333c6d | 3632 | \r |
762d8ddb DB |
3633 | if (File != NULL){\r |
3634 | FreePool(File);\r | |
3635 | File = NULL;\r | |
3636 | }\r | |
3637 | \r | |
ecc722ad | 3638 | return EFI_SUCCESS;\r |
beda2356 | 3639 | }\r |
3640 | \r | |
3641 | /**\r | |
3642 | This function publish the SecureBoot configuration Form.\r | |
3643 | \r | |
3644 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
3645 | \r | |
ecc722ad | 3646 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 3647 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
3648 | @retval Others Other errors as indicated.\r | |
3649 | \r | |
3650 | **/\r | |
3651 | EFI_STATUS\r | |
3652 | InstallSecureBootConfigForm (\r | |
3653 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
3654 | )\r | |
3655 | {\r | |
3656 | EFI_STATUS Status;\r | |
3657 | EFI_HII_HANDLE HiiHandle;\r | |
3658 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 3659 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
3660 | \r | |
3661 | DriverHandle = NULL;\r | |
3662 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
3663 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3664 | &DriverHandle,\r | |
3665 | &gEfiDevicePathProtocolGuid,\r | |
3666 | &mSecureBootHiiVendorDevicePath,\r | |
3667 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3668 | ConfigAccess,\r | |
3669 | NULL\r | |
3670 | );\r | |
3671 | if (EFI_ERROR (Status)) {\r | |
3672 | return Status;\r | |
3673 | }\r | |
3674 | \r | |
3675 | PrivateData->DriverHandle = DriverHandle;\r | |
3676 | \r | |
3677 | //\r | |
3678 | // Publish the HII package list\r | |
3679 | //\r | |
3680 | HiiHandle = HiiAddPackages (\r | |
3681 | &gSecureBootConfigFormSetGuid,\r | |
3682 | DriverHandle,\r | |
3683 | SecureBootConfigDxeStrings,\r | |
3684 | SecureBootConfigBin,\r | |
3685 | NULL\r | |
3686 | );\r | |
3687 | if (HiiHandle == NULL) {\r | |
3688 | gBS->UninstallMultipleProtocolInterfaces (\r | |
3689 | DriverHandle,\r | |
3690 | &gEfiDevicePathProtocolGuid,\r | |
3691 | &mSecureBootHiiVendorDevicePath,\r | |
3692 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3693 | ConfigAccess,\r | |
3694 | NULL\r | |
bc0c99b3 | 3695 | );\r |
beda2356 | 3696 | return EFI_OUT_OF_RESOURCES;\r |
3697 | }\r | |
bc0c99b3 | 3698 | \r |
beda2356 | 3699 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 3700 | \r |
3701 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
20333c6d | 3702 | \r |
762d8ddb | 3703 | if (PrivateData->FileContext == NULL) {\r |
ecc722ad | 3704 | UninstallSecureBootConfigForm (PrivateData);\r |
3705 | return EFI_OUT_OF_RESOURCES;\r | |
3706 | }\r | |
20333c6d | 3707 | \r |
ecc722ad | 3708 | //\r |
3709 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
3710 | //\r | |
3711 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3712 | if (mStartOpCodeHandle == NULL) {\r | |
3713 | UninstallSecureBootConfigForm (PrivateData);\r | |
3714 | return EFI_OUT_OF_RESOURCES;\r | |
3715 | }\r | |
3716 | \r | |
3717 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3718 | if (mEndOpCodeHandle == NULL) {\r | |
3719 | UninstallSecureBootConfigForm (PrivateData);\r | |
3720 | return EFI_OUT_OF_RESOURCES;\r | |
3721 | }\r | |
3722 | \r | |
3723 | //\r | |
3724 | // Create Hii Extend Label OpCode as the start opcode\r | |
3725 | //\r | |
3726 | mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
3727 | mStartOpCodeHandle,\r | |
3728 | &gEfiIfrTianoGuid,\r | |
3729 | NULL,\r | |
3730 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3731 | );\r | |
3732 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3733 | \r | |
3734 | //\r | |
3735 | // Create Hii Extend Label OpCode as the end opcode\r | |
3736 | //\r | |
3737 | mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
3738 | mEndOpCodeHandle,\r | |
3739 | &gEfiIfrTianoGuid,\r | |
3740 | NULL,\r | |
3741 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3742 | );\r | |
3743 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3744 | mEndLabel->Number = LABEL_END;\r | |
20333c6d | 3745 | \r |
bc0c99b3 | 3746 | return EFI_SUCCESS;\r |
beda2356 | 3747 | }\r |
3748 | \r | |
3749 | /**\r | |
3750 | This function removes SecureBoot configuration Form.\r | |
3751 | \r | |
3752 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
3753 | \r | |
3754 | **/\r | |
3755 | VOID\r | |
3756 | UninstallSecureBootConfigForm (\r | |
3757 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
3758 | )\r | |
3759 | {\r | |
3760 | //\r | |
3761 | // Uninstall HII package list\r | |
3762 | //\r | |
3763 | if (PrivateData->HiiHandle != NULL) {\r | |
3764 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
3765 | PrivateData->HiiHandle = NULL;\r | |
3766 | }\r | |
3767 | \r | |
3768 | //\r | |
3769 | // Uninstall HII Config Access Protocol\r | |
3770 | //\r | |
3771 | if (PrivateData->DriverHandle != NULL) {\r | |
3772 | gBS->UninstallMultipleProtocolInterfaces (\r | |
3773 | PrivateData->DriverHandle,\r | |
3774 | &gEfiDevicePathProtocolGuid,\r | |
3775 | &mSecureBootHiiVendorDevicePath,\r | |
3776 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3777 | &PrivateData->ConfigAccess,\r | |
3778 | NULL\r | |
3779 | );\r | |
3780 | PrivateData->DriverHandle = NULL;\r | |
3781 | }\r | |
bc0c99b3 | 3782 | \r |
ecc722ad | 3783 | if (PrivateData->SignatureGUID != NULL) {\r |
3784 | FreePool (PrivateData->SignatureGUID);\r | |
3785 | }\r | |
3786 | \r | |
ecc722ad | 3787 | if (PrivateData->FileContext != NULL) {\r |
3788 | FreePool (PrivateData->FileContext);\r | |
3789 | }\r | |
3790 | \r | |
beda2356 | 3791 | FreePool (PrivateData);\r |
ecc722ad | 3792 | \r |
ecc722ad | 3793 | if (mStartOpCodeHandle != NULL) {\r |
3794 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
3795 | }\r | |
3796 | \r | |
3797 | if (mEndOpCodeHandle != NULL) {\r | |
3798 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
3799 | }\r | |
beda2356 | 3800 | }\r |