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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 | |
5e9dfc67 LG |
1612 | /**\r |
1613 | Reads contents of a PE/COFF image in memory buffer.\r | |
1614 | \r | |
1615 | Caution: This function may receive untrusted input.\r | |
1616 | PE/COFF image is external input, so this function will make sure the PE/COFF image content\r | |
1617 | read is within the image buffer.\r | |
1618 | \r | |
1619 | @param FileHandle Pointer to the file handle to read the PE/COFF image.\r | |
1620 | @param FileOffset Offset into the PE/COFF image to begin the read operation.\r | |
1621 | @param ReadSize On input, the size in bytes of the requested read operation.\r | |
1622 | On output, the number of bytes actually read.\r | |
1623 | @param Buffer Output buffer that contains the data read from the PE/COFF image.\r | |
1624 | \r | |
1625 | @retval EFI_SUCCESS The specified portion of the PE/COFF image was read and the size\r | |
1626 | **/\r | |
1627 | EFI_STATUS\r | |
1628 | EFIAPI\r | |
1629 | SecureBootConfigImageRead (\r | |
1630 | IN VOID *FileHandle,\r | |
1631 | IN UINTN FileOffset,\r | |
1632 | IN OUT UINTN *ReadSize,\r | |
1633 | OUT VOID *Buffer\r | |
1634 | )\r | |
1635 | {\r | |
1636 | UINTN EndPosition;\r | |
1637 | \r | |
1638 | if (FileHandle == NULL || ReadSize == NULL || Buffer == NULL) {\r | |
1639 | return EFI_INVALID_PARAMETER;\r | |
1640 | }\r | |
1641 | \r | |
1642 | if (MAX_ADDRESS - FileOffset < *ReadSize) {\r | |
1643 | return EFI_INVALID_PARAMETER;\r | |
1644 | }\r | |
1645 | \r | |
1646 | EndPosition = FileOffset + *ReadSize;\r | |
1647 | if (EndPosition > mImageSize) {\r | |
1648 | *ReadSize = (UINT32)(mImageSize - FileOffset);\r | |
1649 | }\r | |
1650 | \r | |
1651 | if (FileOffset >= mImageSize) {\r | |
1652 | *ReadSize = 0;\r | |
1653 | }\r | |
1654 | \r | |
1655 | CopyMem (Buffer, (UINT8 *)((UINTN) FileHandle + FileOffset), *ReadSize);\r | |
1656 | \r | |
1657 | return EFI_SUCCESS;\r | |
1658 | }\r | |
1659 | \r | |
ecc722ad | 1660 | /**\r |
1661 | Load PE/COFF image information into internal buffer and check its validity.\r | |
1662 | \r | |
1663 | @retval EFI_SUCCESS Successful\r | |
1664 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
1665 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
1666 | \r | |
1667 | **/\r | |
1668 | EFI_STATUS\r | |
1669 | LoadPeImage (\r | |
20333c6d QL |
1670 | VOID\r |
1671 | )\r | |
ecc722ad | 1672 | {\r |
1673 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
1674 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
1675 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
5e9dfc67 LG |
1676 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r |
1677 | EFI_STATUS Status;\r | |
ecc722ad | 1678 | \r |
1679 | NtHeader32 = NULL;\r | |
1680 | NtHeader64 = NULL;\r | |
5e9dfc67 LG |
1681 | \r |
1682 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
1683 | ImageContext.Handle = (VOID *) mImageBase;\r | |
1684 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE) SecureBootConfigImageRead;\r | |
1685 | \r | |
1686 | //\r | |
1687 | // Get information about the image being loaded\r | |
1688 | //\r | |
1689 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r | |
1690 | if (EFI_ERROR (Status)) {\r | |
1691 | //\r | |
1692 | // The information can't be got from the invalid PeImage\r | |
1693 | //\r | |
1694 | DEBUG ((DEBUG_INFO, "SecureBootConfigDxe: PeImage invalid. \n"));\r | |
1695 | return Status;\r | |
1696 | }\r | |
1697 | \r | |
ecc722ad | 1698 | //\r |
1699 | // Read the Dos header\r | |
1700 | //\r | |
1701 | DosHdr = (EFI_IMAGE_DOS_HEADER*)(mImageBase);\r | |
1702 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE)\r | |
1703 | {\r | |
1704 | //\r | |
20333c6d | 1705 | // DOS image header is present,\r |
ecc722ad | 1706 | // So read the PE header after the DOS image header\r |
1707 | //\r | |
1708 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
1709 | }\r | |
1710 | else\r | |
1711 | {\r | |
1712 | mPeCoffHeaderOffset = 0;\r | |
1713 | }\r | |
1714 | \r | |
1715 | //\r | |
1716 | // Read PE header and check the signature validity and machine compatibility\r | |
1717 | //\r | |
1718 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32*) (mImageBase + mPeCoffHeaderOffset);\r | |
1719 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE)\r | |
1720 | {\r | |
1721 | return EFI_UNSUPPORTED;\r | |
1722 | }\r | |
1723 | \r | |
1724 | mNtHeader.Pe32 = NtHeader32;\r | |
1725 | \r | |
1726 | //\r | |
1727 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1728 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1729 | //\r | |
20333c6d | 1730 | if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32)\r |
a16170a1 AB |
1731 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)\r |
1732 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)) {\r | |
ecc722ad | 1733 | //\r |
a16170a1 | 1734 | // 32-bits Architecture\r |
ecc722ad | 1735 | //\r |
1736 | mImageType = ImageType_IA32;\r | |
1737 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1738 | }\r | |
1739 | else if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
a16170a1 AB |
1740 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)\r |
1741 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_AARCH64)) {\r | |
ecc722ad | 1742 | //\r |
1743 | // 64-bits Architecture\r | |
1744 | //\r | |
1745 | mImageType = ImageType_X64;\r | |
1746 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *) (mImageBase + mPeCoffHeaderOffset);\r | |
1747 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1748 | } else {\r | |
1749 | return EFI_UNSUPPORTED;\r | |
1750 | }\r | |
1751 | \r | |
1752 | return EFI_SUCCESS;\r | |
1753 | }\r | |
1754 | \r | |
1755 | /**\r | |
1756 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1757 | PE/COFF Specification 8.0 Appendix A\r | |
1758 | \r | |
5e9dfc67 LG |
1759 | Notes: PE/COFF image has been checked by BasePeCoffLib PeCoffLoaderGetImageInfo() in \r |
1760 | the function LoadPeImage ().\r | |
1761 | \r | |
ecc722ad | 1762 | @param[in] HashAlg Hash algorithm type.\r |
20333c6d | 1763 | \r |
ecc722ad | 1764 | @retval TRUE Successfully hash image.\r |
1765 | @retval FALSE Fail in hash image.\r | |
1766 | \r | |
1767 | **/\r | |
20333c6d | 1768 | BOOLEAN\r |
ecc722ad | 1769 | HashPeImage (\r |
1770 | IN UINT32 HashAlg\r | |
1771 | )\r | |
1772 | {\r | |
1773 | BOOLEAN Status;\r | |
1774 | UINT16 Magic;\r | |
1775 | EFI_IMAGE_SECTION_HEADER *Section;\r | |
1776 | VOID *HashCtx;\r | |
1777 | UINTN CtxSize;\r | |
1778 | UINT8 *HashBase;\r | |
1779 | UINTN HashSize;\r | |
1780 | UINTN SumOfBytesHashed;\r | |
1781 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1782 | UINTN Index;\r | |
1783 | UINTN Pos;\r | |
1784 | \r | |
1785 | HashCtx = NULL;\r | |
1786 | SectionHeader = NULL;\r | |
1787 | Status = FALSE;\r | |
1788 | \r | |
1789 | if ((HashAlg != HASHALG_SHA1) && (HashAlg != HASHALG_SHA256)) {\r | |
1790 | return FALSE;\r | |
1791 | }\r | |
20333c6d | 1792 | \r |
ecc722ad | 1793 | //\r |
1794 | // Initialize context of hash.\r | |
1795 | //\r | |
1796 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1797 | \r | |
1798 | if (HashAlg == HASHALG_SHA1) {\r | |
1799 | mImageDigestSize = SHA1_DIGEST_SIZE;\r | |
20333c6d | 1800 | mCertType = gEfiCertSha1Guid;\r |
ecc722ad | 1801 | } else if (HashAlg == HASHALG_SHA256) {\r |
1802 | mImageDigestSize = SHA256_DIGEST_SIZE;\r | |
1803 | mCertType = gEfiCertSha256Guid;\r | |
1804 | }\r | |
1805 | \r | |
1806 | CtxSize = mHash[HashAlg].GetContextSize();\r | |
20333c6d | 1807 | \r |
ecc722ad | 1808 | HashCtx = AllocatePool (CtxSize);\r |
1809 | ASSERT (HashCtx != NULL);\r | |
1810 | \r | |
1811 | // 1. Load the image header into memory.\r | |
1812 | \r | |
1813 | // 2. Initialize a SHA hash context.\r | |
1814 | Status = mHash[HashAlg].HashInit(HashCtx);\r | |
1815 | if (!Status) {\r | |
1816 | goto Done;\r | |
1817 | }\r | |
1818 | //\r | |
1819 | // Measuring PE/COFF Image Header;\r | |
1820 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1821 | //\r | |
de2447dd | 1822 | if (mNtHeader.Pe32->FileHeader.Machine == IMAGE_FILE_MACHINE_IA64 && mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
1823 | //\r | |
20333c6d QL |
1824 | // NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value\r |
1825 | // in the PE/COFF Header. If the MachineType is Itanium(IA64) and the\r | |
de2447dd | 1826 | // Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC\r |
1827 | // then override the magic value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC\r | |
1828 | //\r | |
1829 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
1830 | } else {\r | |
1831 | //\r | |
1832 | // Get the magic value from the PE/COFF Optional Header\r | |
1833 | //\r | |
1834 | Magic = mNtHeader.Pe32->OptionalHeader.Magic;\r | |
1835 | }\r | |
20333c6d | 1836 | \r |
ecc722ad | 1837 | //\r |
1838 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1839 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1840 | //\r | |
1841 | HashBase = mImageBase;\r | |
1842 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1843 | //\r | |
1844 | // Use PE32 offset.\r | |
1845 | //\r | |
1846 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.CheckSum) - HashBase);\r | |
1847 | } else {\r | |
1848 | //\r | |
1849 | // Use PE32+ offset.\r | |
1850 | //\r | |
1851 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - HashBase);\r | |
1852 | }\r | |
1853 | \r | |
1854 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1855 | if (!Status) {\r | |
1856 | goto Done;\r | |
1857 | }\r | |
1858 | //\r | |
1859 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1860 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1861 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1862 | //\r | |
1863 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1864 | //\r | |
1865 | // Use PE32 offset.\r | |
1866 | //\r | |
1867 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r | |
1868 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - HashBase);\r | |
1869 | } else {\r | |
1870 | //\r | |
1871 | // Use PE32+ offset.\r | |
20333c6d | 1872 | //\r |
ecc722ad | 1873 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r |
1874 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - HashBase);\r | |
1875 | }\r | |
1876 | \r | |
1877 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1878 | if (!Status) {\r | |
1879 | goto Done;\r | |
1880 | }\r | |
1881 | //\r | |
1882 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
1883 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
1884 | //\r | |
1885 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1886 | //\r | |
1887 | // Use PE32 offset\r | |
1888 | //\r | |
1889 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
1890 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - mImageBase);\r | |
1891 | } else {\r | |
1892 | //\r | |
1893 | // Use PE32+ offset.\r | |
1894 | //\r | |
1895 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
1896 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - mImageBase);\r | |
1897 | }\r | |
1898 | \r | |
1899 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1900 | if (!Status) {\r | |
1901 | goto Done;\r | |
1902 | }\r | |
1903 | //\r | |
1904 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
1905 | //\r | |
1906 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1907 | //\r | |
1908 | // Use PE32 offset.\r | |
1909 | //\r | |
1910 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
1911 | } else {\r | |
1912 | //\r | |
1913 | // Use PE32+ offset\r | |
1914 | //\r | |
1915 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
1916 | }\r | |
1917 | \r | |
1918 | //\r | |
1919 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
1920 | // structures in the image. The 'NumberOfSections' field of the image\r | |
1921 | // header indicates how big the table should be. Do not include any\r | |
1922 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
1923 | //\r | |
1924 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *) AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r | |
1925 | ASSERT (SectionHeader != NULL);\r | |
1926 | //\r | |
1927 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
1928 | // a key, arrange the elements in the table in ascending order. In other\r | |
1929 | // words, sort the section headers according to the disk-file offset of\r | |
1930 | // the section.\r | |
1931 | //\r | |
1932 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1933 | mImageBase +\r | |
1934 | mPeCoffHeaderOffset +\r | |
1935 | sizeof (UINT32) +\r | |
1936 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
1937 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1938 | );\r | |
1939 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1940 | Pos = Index;\r | |
1941 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
1942 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1943 | Pos--;\r | |
1944 | }\r | |
1945 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1946 | Section += 1;\r | |
1947 | }\r | |
1948 | \r | |
1949 | //\r | |
1950 | // 13. Walk through the sorted table, bring the corresponding section\r | |
1951 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
1952 | // field in the section header to determine the amount of data to hash).\r | |
1953 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
1954 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
1955 | //\r | |
1956 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1957 | Section = &SectionHeader[Index];\r | |
1958 | if (Section->SizeOfRawData == 0) {\r | |
1959 | continue;\r | |
1960 | }\r | |
1961 | HashBase = mImageBase + Section->PointerToRawData;\r | |
1962 | HashSize = (UINTN) Section->SizeOfRawData;\r | |
1963 | \r | |
1964 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1965 | if (!Status) {\r | |
1966 | goto Done;\r | |
1967 | }\r | |
1968 | \r | |
1969 | SumOfBytesHashed += HashSize;\r | |
1970 | }\r | |
1971 | \r | |
1972 | //\r | |
1973 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
1974 | // data in the file that needs to be added to the hash. This data begins\r | |
1975 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
1976 | // FileSize - (CertDirectory->Size)\r | |
1977 | //\r | |
1978 | if (mImageSize > SumOfBytesHashed) {\r | |
1979 | HashBase = mImageBase + SumOfBytesHashed;\r | |
1980 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1981 | //\r | |
1982 | // Use PE32 offset.\r | |
1983 | //\r | |
1984 | HashSize = (UINTN)(\r | |
1985 | mImageSize -\r | |
1986 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
1987 | SumOfBytesHashed);\r | |
1988 | } else {\r | |
1989 | //\r | |
1990 | // Use PE32+ offset.\r | |
1991 | //\r | |
1992 | HashSize = (UINTN)(\r | |
1993 | mImageSize -\r | |
1994 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
20333c6d | 1995 | SumOfBytesHashed);\r |
ecc722ad | 1996 | }\r |
1997 | \r | |
1998 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1999 | if (!Status) {\r | |
2000 | goto Done;\r | |
2001 | }\r | |
2002 | }\r | |
2003 | \r | |
2004 | Status = mHash[HashAlg].HashFinal(HashCtx, mImageDigest);\r | |
2005 | \r | |
2006 | Done:\r | |
2007 | if (HashCtx != NULL) {\r | |
2008 | FreePool (HashCtx);\r | |
2009 | }\r | |
2010 | if (SectionHeader != NULL) {\r | |
2011 | FreePool (SectionHeader);\r | |
2012 | }\r | |
2013 | return Status;\r | |
2014 | }\r | |
2015 | \r | |
2016 | /**\r | |
69f8bb52 | 2017 | Recognize the Hash algorithm in PE/COFF Authenticode and calculate hash of\r |
20333c6d | 2018 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification\r |
ecc722ad | 2019 | 8.0 Appendix A\r |
2020 | \r | |
2021 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
2022 | @retval EFI_SUCCESS Hash successfully.\r | |
2023 | \r | |
2024 | **/\r | |
20333c6d | 2025 | EFI_STATUS\r |
ecc722ad | 2026 | HashPeImageByType (\r |
2027 | VOID\r | |
2028 | )\r | |
2029 | {\r | |
2030 | UINT8 Index;\r | |
2031 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
2032 | \r | |
2033 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *) (mImageBase + mSecDataDir->Offset);\r | |
2034 | \r | |
20333c6d | 2035 | for (Index = 0; Index < HASHALG_MAX; Index++) {\r |
ecc722ad | 2036 | //\r |
2037 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
20333c6d | 2038 | // According to PKCS#7 Definition:\r |
ecc722ad | 2039 | // SignedData ::= SEQUENCE {\r |
2040 | // version Version,\r | |
2041 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
2042 | // contentInfo ContentInfo,\r | |
2043 | // .... }\r | |
2044 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
2045 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
2046 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
2047 | //\r | |
2048 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r | |
2049 | //\r | |
2050 | // Only support two bytes of Long Form of Length Encoding.\r | |
2051 | //\r | |
2052 | continue;\r | |
2053 | }\r | |
2054 | \r | |
20333c6d | 2055 | //\r |
ecc722ad | 2056 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r |
2057 | break;\r | |
2058 | }\r | |
2059 | }\r | |
2060 | \r | |
2061 | if (Index == HASHALG_MAX) {\r | |
2062 | return EFI_UNSUPPORTED;\r | |
2063 | }\r | |
2064 | \r | |
2065 | //\r | |
2066 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
2067 | //\r | |
2068 | if (!HashPeImage(Index)) {\r | |
2069 | return EFI_UNSUPPORTED;\r | |
2070 | }\r | |
2071 | \r | |
2072 | return EFI_SUCCESS;\r | |
2073 | }\r | |
2074 | \r | |
2075 | /**\r | |
20333c6d | 2076 | Enroll a new executable's signature into Signature Database.\r |
ecc722ad | 2077 | \r |
2078 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
2079 | @param[in] VariableName Variable name of signature database, must be\r |
2080 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2081 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
ecc722ad | 2082 | \r |
2083 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2084 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2085 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2086 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2087 | \r | |
2088 | **/\r | |
2089 | EFI_STATUS\r | |
2090 | EnrollImageSignatureToSigDB (\r | |
2091 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2092 | IN CHAR16 *VariableName\r | |
2093 | )\r | |
2094 | {\r | |
2095 | EFI_STATUS Status;\r | |
2096 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
2097 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
2098 | VOID *Data;\r | |
2099 | UINTN DataSize;\r | |
2100 | UINTN SigDBSize;\r | |
2101 | UINT32 Attr;\r | |
2102 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
2103 | \r | |
2104 | Data = NULL;\r | |
2105 | GuidCertData = NULL;\r | |
ecc722ad | 2106 | \r |
20333c6d QL |
2107 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r |
2108 | return EFI_UNSUPPORTED;\r | |
2109 | }\r | |
2110 | \r | |
ecc722ad | 2111 | //\r |
2112 | // Form the SigDB certificate list.\r | |
2113 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
2114 | //\r | |
2115 | // We need to parse executable's signature data from specified signed executable file.\r | |
2116 | // In current implementation, we simply trust the pass-in signed executable file.\r | |
2117 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
2118 | //\r | |
2119 | \r | |
2120 | //\r | |
2121 | // Read the whole file content\r | |
2122 | //\r | |
2123 | Status = ReadFileContent(\r | |
2124 | Private->FileContext->FHandle,\r | |
20333c6d QL |
2125 | (VOID **) &mImageBase,\r |
2126 | &mImageSize,\r | |
ecc722ad | 2127 | 0\r |
2128 | );\r | |
2129 | if (EFI_ERROR (Status)) {\r | |
2130 | goto ON_EXIT;\r | |
20333c6d | 2131 | }\r |
ba57d4fd | 2132 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 2133 | \r |
2134 | Status = LoadPeImage ();\r | |
2135 | if (EFI_ERROR (Status)) {\r | |
2136 | goto ON_EXIT;\r | |
2137 | }\r | |
2138 | \r | |
2139 | if (mSecDataDir->SizeOfCert == 0) {\r | |
2140 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2141 | Status = EFI_SECURITY_VIOLATION;\r | |
2142 | goto ON_EXIT;\r | |
2143 | }\r | |
2144 | } else {\r | |
20333c6d | 2145 | \r |
ecc722ad | 2146 | //\r |
2147 | // Read the certificate data\r | |
2148 | //\r | |
2149 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
2150 | \r | |
2151 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
2152 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID*) mCertificate;\r | |
2153 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof(EFI_GUID)) != 0) {\r | |
2154 | Status = EFI_ABORTED;\r | |
2155 | goto ON_EXIT;\r | |
2156 | }\r | |
2157 | \r | |
2158 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2159 | Status = EFI_ABORTED;\r | |
2160 | goto ON_EXIT;;\r | |
2161 | }\r | |
20333c6d | 2162 | \r |
ecc722ad | 2163 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r |
2164 | \r | |
2165 | Status = HashPeImageByType ();\r | |
2166 | if (EFI_ERROR (Status)) {\r | |
2167 | goto ON_EXIT;;\r | |
2168 | }\r | |
2169 | } else {\r | |
2170 | Status = EFI_ABORTED;\r | |
2171 | goto ON_EXIT;\r | |
2172 | }\r | |
2173 | }\r | |
2174 | \r | |
2175 | //\r | |
2176 | // Create a new SigDB entry.\r | |
2177 | //\r | |
20333c6d | 2178 | SigDBSize = sizeof(EFI_SIGNATURE_LIST)\r |
ecc722ad | 2179 | + sizeof(EFI_SIGNATURE_DATA) - 1\r |
2180 | + (UINT32) mImageDigestSize;\r | |
2181 | \r | |
2182 | Data = (UINT8*) AllocateZeroPool (SigDBSize);\r | |
2183 | if (Data == NULL) {\r | |
2184 | Status = EFI_OUT_OF_RESOURCES;\r | |
2185 | goto ON_EXIT;\r | |
2186 | }\r | |
20333c6d | 2187 | \r |
ecc722ad | 2188 | //\r |
2189 | // Adjust the Certificate Database parameters.\r | |
20333c6d | 2190 | //\r |
ecc722ad | 2191 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r |
2192 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
2193 | SigDBCert->SignatureHeaderSize = 0;\r | |
2194 | SigDBCert->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + (UINT32) mImageDigestSize;\r | |
2195 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r | |
2196 | \r | |
2197 | SigDBCertData = (EFI_SIGNATURE_DATA*)((UINT8*)SigDBCert + sizeof(EFI_SIGNATURE_LIST));\r | |
2198 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
2199 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
2200 | \r | |
20333c6d | 2201 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r |
8c1babfd | 2202 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
2203 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
2204 | if (EFI_ERROR (Status)) {\r | |
2205 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2206 | goto ON_EXIT;\r | |
2207 | }\r | |
20333c6d | 2208 | \r |
ecc722ad | 2209 | //\r |
20333c6d QL |
2210 | // Check if SigDB variable has been already existed.\r |
2211 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 2212 | // new signature data to original variable\r |
20333c6d | 2213 | //\r |
ecc722ad | 2214 | DataSize = 0;\r |
2215 | Status = gRT->GetVariable(\r | |
20333c6d QL |
2216 | VariableName,\r |
2217 | &gEfiImageSecurityDatabaseGuid,\r | |
2218 | NULL,\r | |
2219 | &DataSize,\r | |
ecc722ad | 2220 | NULL\r |
2221 | );\r | |
2222 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
2223 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2224 | } else if (Status != EFI_NOT_FOUND) {\r | |
2225 | goto ON_EXIT;\r | |
20333c6d | 2226 | }\r |
ecc722ad | 2227 | \r |
2228 | //\r | |
2229 | // Enroll the variable.\r | |
2230 | //\r | |
2231 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2232 | VariableName,\r |
2233 | &gEfiImageSecurityDatabaseGuid,\r | |
2234 | Attr,\r | |
2235 | SigDBSize,\r | |
ecc722ad | 2236 | Data\r |
2237 | );\r | |
2238 | if (EFI_ERROR (Status)) {\r | |
2239 | goto ON_EXIT;\r | |
2240 | }\r | |
2241 | \r | |
2242 | ON_EXIT:\r | |
2243 | \r | |
2244 | CloseFile (Private->FileContext->FHandle);\r | |
2245 | Private->FileContext->FHandle = NULL;\r | |
762d8ddb DB |
2246 | \r |
2247 | if (Private->FileContext->FileName != NULL){\r | |
2248 | FreePool(Private->FileContext->FileName);\r | |
2249 | Private->FileContext->FileName = NULL;\r | |
2250 | }\r | |
ecc722ad | 2251 | \r |
2252 | if (Private->SignatureGUID != NULL) {\r | |
2253 | FreePool (Private->SignatureGUID);\r | |
2254 | Private->SignatureGUID = NULL;\r | |
2255 | }\r | |
2256 | \r | |
2257 | if (Data != NULL) {\r | |
2258 | FreePool (Data);\r | |
2259 | }\r | |
2260 | \r | |
2261 | if (mImageBase != NULL) {\r | |
2262 | FreePool (mImageBase);\r | |
2263 | mImageBase = NULL;\r | |
2264 | }\r | |
2265 | \r | |
2266 | return Status;\r | |
2267 | }\r | |
2268 | \r | |
2269 | /**\r | |
20333c6d | 2270 | Enroll signature into DB/DBX/DBT without KEK's authentication.\r |
ecc722ad | 2271 | The SignatureOwner GUID will be Private->SignatureGUID.\r |
20333c6d | 2272 | \r |
ecc722ad | 2273 | @param[in] PrivateData The module's private data.\r |
20333c6d | 2274 | @param[in] VariableName Variable name of signature database, must be\r |
ecc722ad | 2275 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r |
20333c6d | 2276 | \r |
ecc722ad | 2277 | @retval EFI_SUCCESS New signature enrolled successfully.\r |
2278 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2279 | @retval others Fail to enroll signature data.\r | |
20333c6d | 2280 | \r |
ecc722ad | 2281 | **/\r |
2282 | EFI_STATUS\r | |
2283 | EnrollSignatureDatabase (\r | |
2284 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
2285 | IN CHAR16 *VariableName\r | |
20333c6d | 2286 | )\r |
ecc722ad | 2287 | {\r |
2288 | UINT16* FilePostFix;\r | |
f71ed839 | 2289 | EFI_STATUS Status;\r |
fd64f84f | 2290 | UINTN NameLength;\r |
ecc722ad | 2291 | \r |
2292 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
2293 | return EFI_INVALID_PARAMETER;\r | |
2294 | }\r | |
2295 | \r | |
20333c6d | 2296 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 2297 | if (EFI_ERROR (Status)) {\r |
2298 | return Status;\r | |
2299 | }\r | |
20333c6d | 2300 | \r |
ecc722ad | 2301 | //\r |
20333c6d | 2302 | // Parse the file's postfix.\r |
ecc722ad | 2303 | //\r |
fd64f84f GCPL |
2304 | NameLength = StrLen (Private->FileContext->FileName);\r |
2305 | if (NameLength <= 4) {\r | |
2306 | return EFI_INVALID_PARAMETER;\r | |
2307 | }\r | |
2308 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
20333c6d | 2309 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
ecc722ad | 2310 | //\r |
e4d7370d | 2311 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 2312 | //\r |
2313 | return EnrollX509toSigDB (Private, VariableName);\r | |
2314 | }\r | |
2315 | \r | |
2316 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
2317 | }\r | |
2318 | \r | |
2319 | /**\r | |
20333c6d | 2320 | List all signatures in specified signature database (e.g. KEK/DB/DBX/DBT)\r |
ecc722ad | 2321 | by GUID in the page for user to select and delete as needed.\r |
2322 | \r | |
2323 | @param[in] PrivateData Module's private data.\r | |
2324 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2325 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2326 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2327 | @param[in] FormId Form ID of current page.\r | |
2328 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2329 | \r | |
2330 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2331 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
20333c6d | 2332 | \r |
ecc722ad | 2333 | **/\r |
2334 | EFI_STATUS\r | |
2335 | UpdateDeletePage (\r | |
2336 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2337 | IN CHAR16 *VariableName,\r | |
2338 | IN EFI_GUID *VendorGuid,\r | |
2339 | IN UINT16 LabelNumber,\r | |
2340 | IN EFI_FORM_ID FormId,\r | |
2341 | IN EFI_QUESTION_ID QuestionIdBase\r | |
2342 | )\r | |
2343 | {\r | |
2344 | EFI_STATUS Status;\r | |
2345 | UINT32 Index;\r | |
2346 | UINTN CertCount;\r | |
2347 | UINTN GuidIndex;\r | |
2348 | VOID *StartOpCodeHandle;\r | |
2349 | VOID *EndOpCodeHandle;\r | |
2350 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
20333c6d | 2351 | EFI_IFR_GUID_LABEL *EndLabel;\r |
ecc722ad | 2352 | UINTN DataSize;\r |
2353 | UINT8 *Data;\r | |
2354 | EFI_SIGNATURE_LIST *CertList;\r | |
2355 | EFI_SIGNATURE_DATA *Cert;\r | |
2356 | UINT32 ItemDataSize;\r | |
2357 | CHAR16 *GuidStr;\r | |
2358 | EFI_STRING_ID GuidID;\r | |
2359 | EFI_STRING_ID Help;\r | |
2360 | \r | |
2361 | Data = NULL;\r | |
2362 | CertList = NULL;\r | |
2363 | Cert = NULL;\r | |
2364 | GuidStr = NULL;\r | |
2365 | StartOpCodeHandle = NULL;\r | |
2366 | EndOpCodeHandle = NULL;\r | |
20333c6d | 2367 | \r |
ecc722ad | 2368 | //\r |
2369 | // Initialize the container for dynamic opcodes.\r | |
2370 | //\r | |
2371 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2372 | if (StartOpCodeHandle == NULL) {\r | |
2373 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2374 | goto ON_EXIT;\r |
ecc722ad | 2375 | }\r |
2376 | \r | |
2377 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2378 | if (EndOpCodeHandle == NULL) {\r | |
2379 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2380 | goto ON_EXIT;\r |
ecc722ad | 2381 | }\r |
2382 | \r | |
2383 | //\r | |
2384 | // Create Hii Extend Label OpCode.\r | |
2385 | //\r | |
2386 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2387 | StartOpCodeHandle,\r | |
2388 | &gEfiIfrTianoGuid,\r | |
2389 | NULL,\r | |
2390 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2391 | );\r | |
2392 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2393 | StartLabel->Number = LabelNumber;\r | |
2394 | \r | |
2395 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2396 | EndOpCodeHandle,\r | |
2397 | &gEfiIfrTianoGuid,\r | |
2398 | NULL,\r | |
2399 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2400 | );\r | |
2401 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2402 | EndLabel->Number = LABEL_END;\r | |
2403 | \r | |
2404 | //\r | |
2405 | // Read Variable.\r | |
2406 | //\r | |
2407 | DataSize = 0;\r | |
20333c6d | 2408 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r |
ecc722ad | 2409 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r |
2410 | goto ON_EXIT;\r | |
2411 | }\r | |
2412 | \r | |
2413 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2414 | if (Data == NULL) {\r | |
2415 | Status = EFI_OUT_OF_RESOURCES;\r | |
2416 | goto ON_EXIT;\r | |
2417 | }\r | |
2418 | \r | |
2419 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
2420 | if (EFI_ERROR (Status)) {\r | |
2421 | goto ON_EXIT;\r | |
2422 | }\r | |
2423 | \r | |
2424 | GuidStr = AllocateZeroPool (100);\r | |
2425 | if (GuidStr == NULL) {\r | |
2426 | Status = EFI_OUT_OF_RESOURCES;\r | |
2427 | goto ON_EXIT;\r | |
2428 | }\r | |
2429 | \r | |
2430 | //\r | |
2431 | // Enumerate all KEK pub data.\r | |
2432 | //\r | |
2433 | ItemDataSize = (UINT32) DataSize;\r | |
2434 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2435 | GuidIndex = 0;\r | |
2436 | \r | |
2437 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2438 | \r | |
2439 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
2440 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
2441 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2442 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
2443 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
2444 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
2445 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
2446 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
20333c6d QL |
2447 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid)) {\r |
2448 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA256_GUID);\r | |
2449 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
2450 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA384_GUID);\r | |
2451 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
2452 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA512_GUID);\r | |
ecc722ad | 2453 | } else {\r |
2454 | //\r | |
2455 | // The signature type is not supported in current implementation.\r | |
2456 | //\r | |
b7d269ea | 2457 | ItemDataSize -= CertList->SignatureListSize;\r |
2458 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
ecc722ad | 2459 | continue;\r |
2460 | }\r | |
2461 | \r | |
2462 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2463 | for (Index = 0; Index < CertCount; Index++) {\r | |
20333c6d QL |
2464 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList\r |
2465 | + sizeof (EFI_SIGNATURE_LIST)\r | |
2466 | + CertList->SignatureHeaderSize\r | |
ecc722ad | 2467 | + Index * CertList->SignatureSize);\r |
2468 | //\r | |
20333c6d | 2469 | // Display GUID and help\r |
ecc722ad | 2470 | //\r |
2471 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
2472 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r | |
2473 | HiiCreateCheckBoxOpCode (\r | |
2474 | StartOpCodeHandle,\r | |
2475 | (EFI_QUESTION_ID) (QuestionIdBase + GuidIndex++),\r | |
20333c6d QL |
2476 | 0,\r |
2477 | 0,\r | |
2478 | GuidID,\r | |
ecc722ad | 2479 | Help,\r |
2480 | EFI_IFR_FLAG_CALLBACK,\r | |
2481 | 0,\r | |
2482 | NULL\r | |
20333c6d | 2483 | );\r |
ecc722ad | 2484 | }\r |
2485 | \r | |
2486 | ItemDataSize -= CertList->SignatureListSize;\r | |
2487 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2488 | }\r | |
2489 | \r | |
2490 | ON_EXIT:\r | |
2491 | HiiUpdateForm (\r | |
2492 | PrivateData->HiiHandle,\r | |
2493 | &gSecureBootConfigFormSetGuid,\r | |
2494 | FormId,\r | |
2495 | StartOpCodeHandle,\r | |
2496 | EndOpCodeHandle\r | |
2497 | );\r | |
2498 | \r | |
2499 | if (StartOpCodeHandle != NULL) {\r | |
2500 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2501 | }\r | |
2502 | \r | |
2503 | if (EndOpCodeHandle != NULL) {\r | |
2504 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2505 | }\r | |
20333c6d | 2506 | \r |
ecc722ad | 2507 | if (Data != NULL) {\r |
2508 | FreePool (Data);\r | |
2509 | }\r | |
2510 | \r | |
2511 | if (GuidStr != NULL) {\r | |
2512 | FreePool (GuidStr);\r | |
2513 | }\r | |
2514 | \r | |
2515 | return EFI_SUCCESS;\r | |
2516 | }\r | |
2517 | \r | |
beda2356 | 2518 | /**\r |
20333c6d | 2519 | Delete a KEK entry from KEK database.\r |
beda2356 | 2520 | \r |
ecc722ad | 2521 | @param[in] PrivateData Module's private data.\r |
2522 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 2523 | \r |
ecc722ad | 2524 | @retval EFI_SUCCESS Delete kek item successfully.\r |
2525 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 2526 | \r |
ecc722ad | 2527 | **/\r |
2528 | EFI_STATUS\r | |
2529 | DeleteKeyExchangeKey (\r | |
2530 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2531 | IN EFI_QUESTION_ID QuestionId\r | |
2532 | )\r | |
2533 | {\r | |
2534 | EFI_STATUS Status;\r | |
2535 | UINTN DataSize;\r | |
2536 | UINT8 *Data;\r | |
2537 | UINT8 *OldData;\r | |
2538 | UINT32 Attr;\r | |
2539 | UINT32 Index;\r | |
2540 | EFI_SIGNATURE_LIST *CertList;\r | |
2541 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2542 | EFI_SIGNATURE_DATA *Cert;\r | |
2543 | UINTN CertCount;\r | |
2544 | UINT32 Offset;\r | |
2545 | BOOLEAN IsKEKItemFound;\r | |
2546 | UINT32 KekDataSize;\r | |
2547 | UINTN DeleteKekIndex;\r | |
2548 | UINTN GuidIndex;\r | |
2549 | \r | |
2550 | Data = NULL;\r | |
2551 | OldData = NULL;\r | |
2552 | CertList = NULL;\r | |
2553 | Cert = NULL;\r | |
20333c6d | 2554 | Attr = 0;\r |
ecc722ad | 2555 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r |
f71ed839 | 2556 | \r |
2557 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
2558 | if (EFI_ERROR (Status)) {\r | |
2559 | return Status;\r | |
2560 | }\r | |
20333c6d | 2561 | \r |
ecc722ad | 2562 | //\r |
2563 | // Get original KEK variable.\r | |
20333c6d QL |
2564 | //\r |
2565 | DataSize = 0;\r | |
ecc722ad | 2566 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r |
2567 | if (EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2568 | goto ON_EXIT;\r | |
2569 | }\r | |
2570 | \r | |
2571 | OldData = (UINT8*)AllocateZeroPool(DataSize);\r | |
2572 | if (OldData == NULL) {\r | |
20333c6d | 2573 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2574 | goto ON_EXIT;\r |
2575 | }\r | |
2576 | \r | |
2577 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
2578 | if (EFI_ERROR(Status)) {\r | |
2579 | goto ON_EXIT;\r | |
2580 | }\r | |
2581 | \r | |
2582 | //\r | |
20333c6d | 2583 | // Allocate space for new variable.\r |
ecc722ad | 2584 | //\r |
2585 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2586 | if (Data == NULL) {\r | |
2587 | Status = EFI_OUT_OF_RESOURCES;\r | |
2588 | goto ON_EXIT;\r | |
2589 | }\r | |
2590 | \r | |
2591 | //\r | |
2592 | // Enumerate all KEK pub data and erasing the target item.\r | |
2593 | //\r | |
2594 | IsKEKItemFound = FALSE;\r | |
2595 | KekDataSize = (UINT32) DataSize;\r | |
2596 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2597 | Offset = 0;\r | |
2598 | GuidIndex = 0;\r | |
2599 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2600 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2601 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2602 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2603 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
2604 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2605 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2606 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2607 | for (Index = 0; Index < CertCount; Index++) {\r | |
2608 | if (GuidIndex == DeleteKekIndex ) {\r | |
2609 | //\r | |
2610 | // Find it! Skip it!\r | |
2611 | //\r | |
2612 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2613 | IsKEKItemFound = TRUE;\r |
ecc722ad | 2614 | } else {\r |
2615 | //\r | |
2616 | // This item doesn't match. Copy it to the Data buffer.\r | |
2617 | //\r | |
2618 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
2619 | Offset += CertList->SignatureSize;\r | |
2620 | }\r | |
2621 | GuidIndex++;\r | |
2622 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8*) Cert + CertList->SignatureSize);\r | |
2623 | }\r | |
2624 | } else {\r | |
2625 | //\r | |
2626 | // This List doesn't match. Copy it to the Data buffer.\r | |
2627 | //\r | |
2628 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
2629 | Offset += CertList->SignatureListSize;\r | |
2630 | }\r | |
20333c6d | 2631 | \r |
ecc722ad | 2632 | KekDataSize -= CertList->SignatureListSize;\r |
2633 | CertList = (EFI_SIGNATURE_LIST*) ((UINT8*) CertList + CertList->SignatureListSize);\r | |
2634 | }\r | |
2635 | \r | |
2636 | if (!IsKEKItemFound) {\r | |
2637 | //\r | |
2638 | // Doesn't find the Kek Item!\r | |
2639 | //\r | |
2640 | Status = EFI_NOT_FOUND;\r | |
2641 | goto ON_EXIT;\r | |
2642 | }\r | |
2643 | \r | |
2644 | //\r | |
2645 | // Delete the Signature header if there is no signature in the list.\r | |
2646 | //\r | |
2647 | KekDataSize = Offset;\r | |
2648 | CertList = (EFI_SIGNATURE_LIST*) Data;\r | |
2649 | Offset = 0;\r | |
2650 | ZeroMem (OldData, KekDataSize);\r | |
2651 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
2652 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2653 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2654 | if (CertCount != 0) {\r |
2655 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
2656 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2657 | }\r |
ecc722ad | 2658 | KekDataSize -= CertList->SignatureListSize;\r |
2659 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2660 | }\r | |
2661 | \r | |
ecc722ad | 2662 | DataSize = Offset;\r |
8c1babfd | 2663 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2664 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2665 | if (EFI_ERROR (Status)) {\r | |
2666 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2667 | goto ON_EXIT;\r | |
2668 | }\r | |
2669 | }\r | |
ecc722ad | 2670 | \r |
2671 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2672 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2673 | &gEfiGlobalVariableGuid,\r | |
2674 | Attr,\r | |
2675 | DataSize,\r | |
ecc722ad | 2676 | OldData\r |
2677 | );\r | |
2678 | if (EFI_ERROR (Status)) {\r | |
2679 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
2680 | goto ON_EXIT;\r | |
2681 | }\r | |
20333c6d | 2682 | \r |
ecc722ad | 2683 | ON_EXIT:\r |
2684 | if (Data != NULL) {\r | |
2685 | FreePool(Data);\r | |
2686 | }\r | |
2687 | \r | |
2688 | if (OldData != NULL) {\r | |
2689 | FreePool(OldData);\r | |
2690 | }\r | |
2691 | \r | |
2692 | return UpdateDeletePage (\r | |
20333c6d | 2693 | PrivateData,\r |
ecc722ad | 2694 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2695 | &gEfiGlobalVariableGuid,\r | |
2696 | LABEL_KEK_DELETE,\r | |
2697 | FORMID_DELETE_KEK_FORM,\r | |
2698 | OPTION_DEL_KEK_QUESTION_ID\r | |
2699 | );\r | |
2700 | }\r | |
2701 | \r | |
2702 | /**\r | |
2703 | Delete a signature entry from siganture database.\r | |
beda2356 | 2704 | \r |
ecc722ad | 2705 | @param[in] PrivateData Module's private data.\r |
2706 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2707 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2708 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2709 | @param[in] FormId Form ID of current page.\r | |
2710 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2711 | @param[in] DeleteIndex Signature index to delete.\r | |
20333c6d | 2712 | \r |
ecc722ad | 2713 | @retval EFI_SUCCESS Delete siganture successfully.\r |
2714 | @retval EFI_NOT_FOUND Can't find the signature item,\r | |
2715 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 2716 | **/\r |
2717 | EFI_STATUS\r | |
ecc722ad | 2718 | DeleteSignature (\r |
2719 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
2720 | IN CHAR16 *VariableName,\r | |
2721 | IN EFI_GUID *VendorGuid,\r | |
2722 | IN UINT16 LabelNumber,\r | |
2723 | IN EFI_FORM_ID FormId,\r | |
2724 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
2725 | IN UINTN DeleteIndex\r | |
beda2356 | 2726 | )\r |
2727 | {\r | |
ecc722ad | 2728 | EFI_STATUS Status;\r |
2729 | UINTN DataSize;\r | |
2730 | UINT8 *Data;\r | |
2731 | UINT8 *OldData;\r | |
2732 | UINT32 Attr;\r | |
2733 | UINT32 Index;\r | |
2734 | EFI_SIGNATURE_LIST *CertList;\r | |
2735 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2736 | EFI_SIGNATURE_DATA *Cert;\r | |
2737 | UINTN CertCount;\r | |
2738 | UINT32 Offset;\r | |
2739 | BOOLEAN IsItemFound;\r | |
2740 | UINT32 ItemDataSize;\r | |
2741 | UINTN GuidIndex;\r | |
bc0c99b3 | 2742 | \r |
ecc722ad | 2743 | Data = NULL;\r |
2744 | OldData = NULL;\r | |
2745 | CertList = NULL;\r | |
2746 | Cert = NULL;\r | |
20333c6d | 2747 | Attr = 0;\r |
ecc722ad | 2748 | \r |
f71ed839 | 2749 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
2750 | if (EFI_ERROR (Status)) {\r | |
2751 | return Status;\r | |
2752 | }\r | |
2753 | \r | |
ecc722ad | 2754 | //\r |
2755 | // Get original signature list data.\r | |
20333c6d | 2756 | //\r |
ecc722ad | 2757 | DataSize = 0;\r |
2758 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r | |
2759 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2760 | goto ON_EXIT;\r | |
2761 | }\r | |
2762 | \r | |
2763 | OldData = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2764 | if (OldData == NULL) {\r | |
20333c6d | 2765 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2766 | goto ON_EXIT;\r |
2767 | }\r | |
2768 | \r | |
2769 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
2770 | if (EFI_ERROR(Status)) {\r | |
2771 | goto ON_EXIT;\r | |
20333c6d | 2772 | }\r |
ecc722ad | 2773 | \r |
2774 | //\r | |
20333c6d | 2775 | // Allocate space for new variable.\r |
ecc722ad | 2776 | //\r |
2777 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2778 | if (Data == NULL) {\r | |
2779 | Status = EFI_OUT_OF_RESOURCES;\r | |
2780 | goto ON_EXIT;\r | |
2781 | }\r | |
2782 | \r | |
2783 | //\r | |
2784 | // Enumerate all signature data and erasing the target item.\r | |
2785 | //\r | |
2786 | IsItemFound = FALSE;\r | |
2787 | ItemDataSize = (UINT32) DataSize;\r | |
2788 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2789 | Offset = 0;\r | |
2790 | GuidIndex = 0;\r | |
2791 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2792 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2793 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
2794 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
20333c6d QL |
2795 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid) ||\r |
2796 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid) ||\r | |
2797 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid) ||\r | |
2798 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)\r | |
ecc722ad | 2799 | ) {\r |
2800 | //\r | |
2801 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
2802 | //\r | |
2803 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2804 | NewCertList = (EFI_SIGNATURE_LIST*) (Data + Offset);\r | |
2805 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2806 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2807 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2808 | for (Index = 0; Index < CertCount; Index++) {\r | |
2809 | if (GuidIndex == DeleteIndex) {\r | |
2810 | //\r | |
2811 | // Find it! Skip it!\r | |
2812 | //\r | |
2813 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
20333c6d | 2814 | IsItemFound = TRUE;\r |
ecc722ad | 2815 | } else {\r |
2816 | //\r | |
2817 | // This item doesn't match. Copy it to the Data buffer.\r | |
2818 | //\r | |
2819 | CopyMem (Data + Offset, (UINT8*)(Cert), CertList->SignatureSize);\r | |
2820 | Offset += CertList->SignatureSize;\r | |
2821 | }\r | |
2822 | GuidIndex++;\r | |
2823 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
2824 | }\r | |
2825 | } else {\r | |
2826 | //\r | |
2827 | // This List doesn't match. Just copy it to the Data buffer.\r | |
2828 | //\r | |
2829 | CopyMem (Data + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2830 | Offset += CertList->SignatureListSize;\r | |
2831 | }\r | |
20333c6d | 2832 | \r |
ecc722ad | 2833 | ItemDataSize -= CertList->SignatureListSize;\r |
2834 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2835 | }\r | |
2836 | \r | |
2837 | if (!IsItemFound) {\r | |
2838 | //\r | |
2839 | // Doesn't find the signature Item!\r | |
2840 | //\r | |
2841 | Status = EFI_NOT_FOUND;\r | |
2842 | goto ON_EXIT;\r | |
2843 | }\r | |
2844 | \r | |
2845 | //\r | |
2846 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
2847 | //\r | |
2848 | ItemDataSize = Offset;\r | |
2849 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2850 | Offset = 0;\r | |
2851 | ZeroMem (OldData, ItemDataSize);\r | |
2852 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2853 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
33985e3b | 2854 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2855 | if (CertCount != 0) {\r |
2856 | CopyMem (OldData + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2857 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2858 | }\r |
ecc722ad | 2859 | ItemDataSize -= CertList->SignatureListSize;\r |
2860 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2861 | }\r | |
2862 | \r | |
ecc722ad | 2863 | DataSize = Offset;\r |
8c1babfd | 2864 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2865 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2866 | if (EFI_ERROR (Status)) {\r | |
2867 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2868 | goto ON_EXIT;\r | |
2869 | }\r | |
2870 | }\r | |
ecc722ad | 2871 | \r |
2872 | Status = gRT->SetVariable(\r | |
20333c6d QL |
2873 | VariableName,\r |
2874 | VendorGuid,\r | |
2875 | Attr,\r | |
2876 | DataSize,\r | |
ecc722ad | 2877 | OldData\r |
2878 | );\r | |
beda2356 | 2879 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2880 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
2881 | goto ON_EXIT;\r | |
beda2356 | 2882 | }\r |
20333c6d | 2883 | \r |
ecc722ad | 2884 | ON_EXIT:\r |
2885 | if (Data != NULL) {\r | |
2886 | FreePool(Data);\r | |
2887 | }\r | |
2888 | \r | |
2889 | if (OldData != NULL) {\r | |
2890 | FreePool(OldData);\r | |
2891 | }\r | |
2892 | \r | |
2893 | return UpdateDeletePage (\r | |
20333c6d | 2894 | PrivateData,\r |
ecc722ad | 2895 | VariableName,\r |
2896 | VendorGuid,\r | |
2897 | LabelNumber,\r | |
2898 | FormId,\r | |
2899 | QuestionIdBase\r | |
2900 | );\r | |
2901 | }\r | |
2902 | \r | |
02dd6af9 CZ |
2903 | /**\r |
2904 | \r | |
2905 | Update SecureBoot strings based on new Secure Boot Mode State. String includes STR_SECURE_BOOT_STATE_CONTENT\r | |
2906 | and STR_CUR_SECURE_BOOT_MODE_CONTENT.\r | |
2907 | \r | |
2908 | @param[in] PrivateData Module's private data.\r | |
2909 | \r | |
2910 | @return EFI_SUCCESS Update secure boot strings successfully.\r | |
2911 | @return other Fail to update secure boot strings.\r | |
2912 | \r | |
2913 | **/\r | |
2914 | EFI_STATUS\r | |
2915 | UpdateSecureBootString(\r | |
2916 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
abffadf0 ZC |
2917 | )\r |
2918 | {\r | |
02dd6af9 CZ |
2919 | UINT8 *SecureBoot;\r |
2920 | \r | |
e8cd9b80 CZ |
2921 | SecureBoot = NULL;\r |
2922 | \r | |
02dd6af9 CZ |
2923 | //\r |
2924 | // Get current secure boot state.\r | |
2925 | //\r | |
e8cd9b80 CZ |
2926 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SecureBoot, NULL);\r |
2927 | if (SecureBoot == NULL) {\r | |
2928 | return EFI_NOT_FOUND;\r | |
02dd6af9 CZ |
2929 | }\r |
2930 | \r | |
2931 | if (*SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
2932 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
2933 | } else {\r | |
2934 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
2935 | }\r | |
02dd6af9 CZ |
2936 | \r |
2937 | FreePool(SecureBoot);\r | |
2938 | \r | |
2939 | return EFI_SUCCESS;\r | |
2940 | }\r | |
2941 | \r | |
ecc722ad | 2942 | /**\r |
2943 | This function extracts configuration from variable.\r | |
20333c6d | 2944 | \r |
ecc722ad | 2945 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r |
2946 | \r | |
2947 | **/\r | |
2948 | VOID\r | |
2949 | SecureBootExtractConfigFromVariable (\r | |
2950 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r | |
20333c6d | 2951 | )\r |
ecc722ad | 2952 | {\r |
20333c6d | 2953 | UINT8 *SecureBootEnable;\r |
12087ff6 | 2954 | UINT8 *SetupMode;\r |
20333c6d QL |
2955 | UINT8 *SecureBootMode;\r |
2956 | EFI_TIME CurrTime;\r | |
ecc722ad | 2957 | \r |
2958 | SecureBootEnable = NULL;\r | |
12087ff6 | 2959 | SetupMode = NULL;\r |
ecc722ad | 2960 | SecureBootMode = NULL;\r |
20333c6d QL |
2961 | \r |
2962 | //\r | |
2963 | // Initilize the Date and Time using system time.\r | |
2964 | //\r | |
2965 | ConfigData->CertificateFormat = HASHALG_RAW;\r | |
2966 | ConfigData->AlwaysRevocation = TRUE;\r | |
2967 | gRT->GetTime (&CurrTime, NULL);\r | |
2968 | ConfigData->RevocationDate.Year = CurrTime.Year;\r | |
2969 | ConfigData->RevocationDate.Month = CurrTime.Month;\r | |
2970 | ConfigData->RevocationDate.Day = CurrTime.Day;\r | |
2971 | ConfigData->RevocationTime.Hour = CurrTime.Hour;\r | |
2972 | ConfigData->RevocationTime.Minute = CurrTime.Minute;\r | |
2973 | ConfigData->RevocationTime.Second = 0;\r | |
2974 | \r | |
20333c6d | 2975 | \r |
ecc722ad | 2976 | //\r |
2977 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
2978 | //\r | |
2979 | if (UserPhysicalPresent()) {\r | |
2980 | ConfigData->PhysicalPresent = TRUE;\r | |
2981 | } else {\r | |
2982 | ConfigData->PhysicalPresent = FALSE;\r | |
2983 | }\r | |
20333c6d | 2984 | \r |
96832eef CZ |
2985 | //\r |
2986 | // If there is no PK then the Delete Pk button will be gray.\r | |
2987 | //\r | |
12087ff6 ZC |
2988 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
2989 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
96832eef CZ |
2990 | ConfigData->HasPk = FALSE;\r |
2991 | } else {\r | |
2992 | ConfigData->HasPk = TRUE;\r | |
2993 | }\r | |
2994 | \r | |
126f3b1d ZC |
2995 | //\r |
2996 | // Check SecureBootEnable & Pk status, fix the inconsistence. \r | |
2997 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r | |
2998 | // Checkbox.\r | |
2999 | //\r | |
3000 | ConfigData->AttemptSecureBoot = FALSE;\r | |
3001 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL); \r | |
3002 | \r | |
3003 | //\r | |
3004 | // Fix Pk, SecureBootEnable inconsistence\r | |
3005 | //\r | |
f1005559 | 3006 | if ((SetupMode != NULL) && (*SetupMode) == USER_MODE) {\r |
126f3b1d ZC |
3007 | ConfigData->HideSecureBoot = FALSE;\r |
3008 | if ((SecureBootEnable != NULL) && (*SecureBootEnable == SECURE_BOOT_ENABLE)) {\r | |
3009 | ConfigData->AttemptSecureBoot = TRUE;\r | |
3010 | }\r | |
3011 | } else {\r | |
3012 | ConfigData->HideSecureBoot = TRUE;\r | |
3013 | }\r | |
3014 | \r | |
12087ff6 ZC |
3015 | //\r |
3016 | // Get the SecureBootMode from CustomMode variable.\r | |
3017 | //\r | |
3018 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3019 | if (SecureBootMode == NULL) {\r | |
3020 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3021 | } else {\r | |
3022 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
3023 | }\r | |
3024 | \r | |
f71ed839 | 3025 | if (SecureBootEnable != NULL) {\r |
3026 | FreePool (SecureBootEnable);\r | |
3027 | }\r | |
12087ff6 ZC |
3028 | if (SetupMode != NULL) {\r |
3029 | FreePool (SetupMode);\r | |
3030 | }\r | |
f71ed839 | 3031 | if (SecureBootMode != NULL) {\r |
3032 | FreePool (SecureBootMode);\r | |
3033 | }\r | |
beda2356 | 3034 | }\r |
3035 | \r | |
3036 | /**\r | |
3037 | This function allows a caller to extract the current configuration for one\r | |
3038 | or more named elements from the target driver.\r | |
3039 | \r | |
3040 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3041 | @param[in] Request A null-terminated Unicode string in\r | |
3042 | <ConfigRequest> format.\r | |
3043 | @param[out] Progress On return, points to a character in the Request\r | |
3044 | string. Points to the string's null terminator if\r | |
3045 | request was successful. Points to the most recent\r | |
3046 | '&' before the first failing name/value pair (or\r | |
3047 | the beginning of the string if the failure is in\r | |
3048 | the first name/value pair) if the request was not\r | |
3049 | successful.\r | |
3050 | @param[out] Results A null-terminated Unicode string in\r | |
3051 | <ConfigAltResp> format which has all values filled\r | |
3052 | in for the names in the Request string. String to\r | |
3053 | be allocated by the called function.\r | |
3054 | \r | |
3055 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
3056 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
3057 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
3058 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3059 | driver.\r | |
3060 | \r | |
3061 | **/\r | |
3062 | EFI_STATUS\r | |
3063 | EFIAPI\r | |
3064 | SecureBootExtractConfig (\r | |
3065 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3066 | IN CONST EFI_STRING Request,\r | |
3067 | OUT EFI_STRING *Progress,\r | |
3068 | OUT EFI_STRING *Results\r | |
3069 | )\r | |
3070 | {\r | |
3071 | EFI_STATUS Status;\r | |
3072 | UINTN BufferSize;\r | |
bc0c99b3 | 3073 | UINTN Size;\r |
beda2356 | 3074 | SECUREBOOT_CONFIGURATION Configuration;\r |
beda2356 | 3075 | EFI_STRING ConfigRequest;\r |
bc0c99b3 | 3076 | EFI_STRING ConfigRequestHdr;\r |
bc0c99b3 | 3077 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r |
3078 | BOOLEAN AllocatedRequest;\r | |
3079 | \r | |
beda2356 | 3080 | if (Progress == NULL || Results == NULL) {\r |
3081 | return EFI_INVALID_PARAMETER;\r | |
3082 | }\r | |
20333c6d | 3083 | \r |
bc0c99b3 | 3084 | AllocatedRequest = FALSE;\r |
3085 | ConfigRequestHdr = NULL;\r | |
3086 | ConfigRequest = NULL;\r | |
3087 | Size = 0;\r | |
20333c6d | 3088 | \r |
ea71453f | 3089 | ZeroMem (&Configuration, sizeof (Configuration));\r |
bc0c99b3 | 3090 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3091 | *Progress = Request;\r | |
20333c6d | 3092 | \r |
beda2356 | 3093 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
3094 | return EFI_NOT_FOUND;\r | |
3095 | }\r | |
3096 | \r | |
beda2356 | 3097 | //\r |
ecc722ad | 3098 | // Get Configuration from Variable.\r |
beda2356 | 3099 | //\r |
ecc722ad | 3100 | SecureBootExtractConfigFromVariable (&Configuration);\r |
f71ed839 | 3101 | \r |
bc0c99b3 | 3102 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 3103 | ConfigRequest = Request;\r |
bc0c99b3 | 3104 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
3105 | //\r | |
3106 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 3107 | //\r |
3108 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
3109 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
3110 | //\r | |
3111 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
3112 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
3113 | ConfigRequest = AllocateZeroPool (Size);\r | |
3114 | ASSERT (ConfigRequest != NULL);\r | |
3115 | AllocatedRequest = TRUE;\r | |
3116 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
3117 | FreePool (ConfigRequestHdr);\r | |
3118 | ConfigRequestHdr = NULL;\r | |
3119 | }\r | |
beda2356 | 3120 | \r |
3121 | Status = gHiiConfigRouting->BlockToConfig (\r | |
3122 | gHiiConfigRouting,\r | |
3123 | ConfigRequest,\r | |
3124 | (UINT8 *) &Configuration,\r | |
3125 | BufferSize,\r | |
3126 | Results,\r | |
3127 | Progress\r | |
3128 | );\r | |
bc0c99b3 | 3129 | \r |
3130 | //\r | |
3131 | // Free the allocated config request string.\r | |
3132 | //\r | |
3133 | if (AllocatedRequest) {\r | |
3134 | FreePool (ConfigRequest);\r | |
3135 | }\r | |
3136 | \r | |
beda2356 | 3137 | //\r |
3138 | // Set Progress string to the original request string.\r | |
3139 | //\r | |
3140 | if (Request == NULL) {\r | |
3141 | *Progress = NULL;\r | |
3142 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
3143 | *Progress = Request + StrLen (Request);\r | |
3144 | }\r | |
3145 | \r | |
3146 | return Status;\r | |
3147 | }\r | |
3148 | \r | |
3149 | /**\r | |
3150 | This function processes the results of changes in configuration.\r | |
3151 | \r | |
3152 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3153 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
3154 | format.\r | |
3155 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
3156 | the most recent '&' before the first failing\r | |
3157 | name/value pair (or the beginning of the string if\r | |
3158 | the failure is in the first name/value pair) or\r | |
3159 | the terminating NULL if all was successful.\r | |
3160 | \r | |
3161 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
3162 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
3163 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3164 | driver.\r | |
3165 | \r | |
3166 | **/\r | |
3167 | EFI_STATUS\r | |
3168 | EFIAPI\r | |
3169 | SecureBootRouteConfig (\r | |
3170 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3171 | IN CONST EFI_STRING Configuration,\r | |
3172 | OUT EFI_STRING *Progress\r | |
3173 | )\r | |
3174 | {\r | |
a2f2c258 | 3175 | SECUREBOOT_CONFIGURATION IfrNvData;\r |
3176 | UINTN BufferSize;\r | |
3177 | EFI_STATUS Status;\r | |
20333c6d | 3178 | \r |
beda2356 | 3179 | if (Configuration == NULL || Progress == NULL) {\r |
3180 | return EFI_INVALID_PARAMETER;\r | |
3181 | }\r | |
3182 | \r | |
3183 | *Progress = Configuration;\r | |
3184 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
3185 | return EFI_NOT_FOUND;\r | |
3186 | }\r | |
3187 | \r | |
a365eed4 FS |
3188 | //\r |
3189 | // Get Configuration from Variable.\r | |
3190 | //\r | |
3191 | SecureBootExtractConfigFromVariable (&IfrNvData);\r | |
3192 | \r | |
3193 | //\r | |
3194 | // Map the Configuration to the configuration block.\r | |
3195 | //\r | |
a2f2c258 | 3196 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
3197 | Status = gHiiConfigRouting->ConfigToBlock (\r | |
3198 | gHiiConfigRouting,\r | |
3199 | Configuration,\r | |
3200 | (UINT8 *)&IfrNvData,\r | |
3201 | &BufferSize,\r | |
3202 | Progress\r | |
3203 | );\r | |
3204 | if (EFI_ERROR (Status)) {\r | |
3205 | return Status;\r | |
3206 | }\r | |
3207 | \r | |
3208 | //\r | |
3209 | // Store Buffer Storage back to EFI variable if needed\r | |
3210 | //\r | |
126f3b1d | 3211 | if (!IfrNvData.HideSecureBoot) {\r |
a2f2c258 | 3212 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r |
3213 | if (EFI_ERROR (Status)) {\r | |
3214 | return Status;\r | |
3215 | }\r | |
3216 | }\r | |
3217 | \r | |
ecc722ad | 3218 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 3219 | return EFI_SUCCESS;\r |
3220 | }\r | |
3221 | \r | |
3222 | /**\r | |
ecc722ad | 3223 | This function is called to provide results data to the driver.\r |
beda2356 | 3224 | \r |
3225 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3226 | @param[in] Action Specifies the type of action taken by the browser.\r | |
3227 | @param[in] QuestionId A unique value which is sent to the original\r | |
3228 | exporting driver so that it can identify the type\r | |
3229 | of data to expect.\r | |
3230 | @param[in] Type The type of value for the question.\r | |
3231 | @param[in] Value A pointer to the data being sent to the original\r | |
3232 | exporting driver.\r | |
3233 | @param[out] ActionRequest On return, points to the action requested by the\r | |
3234 | callback function.\r | |
3235 | \r | |
3236 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
3237 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
3238 | variable and its data.\r | |
3239 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
3240 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
3241 | callback.\r | |
3242 | \r | |
3243 | **/\r | |
3244 | EFI_STATUS\r | |
3245 | EFIAPI\r | |
3246 | SecureBootCallback (\r | |
3247 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
3248 | IN EFI_BROWSER_ACTION Action,\r | |
3249 | IN EFI_QUESTION_ID QuestionId,\r | |
3250 | IN UINT8 Type,\r | |
3251 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
3252 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
3253 | )\r | |
3254 | {\r | |
ecc722ad | 3255 | EFI_INPUT_KEY Key;\r |
20333c6d | 3256 | EFI_STATUS Status;\r |
ecc722ad | 3257 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r |
3258 | UINTN BufferSize;\r | |
3259 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
3260 | UINT16 LabelId;\r | |
bf4a3dbd | 3261 | UINT8 *SecureBootEnable;\r |
126f3b1d | 3262 | UINT8 *Pk;\r |
f71ed839 | 3263 | UINT8 *SecureBootMode;\r |
12087ff6 | 3264 | UINT8 *SetupMode;\r |
e4d7370d | 3265 | CHAR16 PromptString[100];\r |
762d8ddb | 3266 | EFI_DEVICE_PATH_PROTOCOL *File;\r |
bf4a3dbd | 3267 | \r |
96832eef | 3268 | Status = EFI_SUCCESS;\r |
bf4a3dbd | 3269 | SecureBootEnable = NULL;\r |
f71ed839 | 3270 | SecureBootMode = NULL;\r |
12087ff6 | 3271 | SetupMode = NULL;\r |
762d8ddb | 3272 | File = NULL;\r |
bc0c99b3 | 3273 | \r |
beda2356 | 3274 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
3275 | return EFI_INVALID_PARAMETER;\r | |
3276 | }\r | |
12087ff6 | 3277 | \r |
96832eef CZ |
3278 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3279 | \r | |
762d8ddb DB |
3280 | gSecureBootPrivateData = Private;\r |
3281 | \r | |
96832eef CZ |
3282 | //\r |
3283 | // Retrieve uncommitted data from Browser\r | |
3284 | //\r | |
3285 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
3286 | IfrNvData = AllocateZeroPool (BufferSize);\r | |
3287 | if (IfrNvData == NULL) {\r | |
3288 | return EFI_OUT_OF_RESOURCES;\r | |
3289 | }\r | |
3290 | \r | |
3291 | HiiGetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *) IfrNvData);\r | |
beda2356 | 3292 | \r |
a365eed4 FS |
3293 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
3294 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
02dd6af9 CZ |
3295 | //\r |
3296 | // Update secure boot strings when opening this form\r | |
3297 | //\r | |
3298 | Status = UpdateSecureBootString(Private);\r | |
762d8ddb | 3299 | SecureBootExtractConfigFromVariable (IfrNvData);\r |
a365eed4 FS |
3300 | mIsEnterSecureBootForm = TRUE;\r |
3301 | }\r | |
96832eef | 3302 | goto EXIT;\r |
a365eed4 | 3303 | }\r |
20333c6d | 3304 | \r |
a365eed4 FS |
3305 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r |
3306 | Status = EFI_UNSUPPORTED;\r | |
3307 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
3308 | if (mIsEnterSecureBootForm) {\r | |
3309 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
3310 | Status = EFI_SUCCESS;\r | |
3311 | }\r | |
12087ff6 | 3312 | } \r |
96832eef | 3313 | goto EXIT;\r |
a365eed4 | 3314 | }\r |
20333c6d | 3315 | \r |
f71ed839 | 3316 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
3317 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 3318 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
3319 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD)) {\r | |
96832eef CZ |
3320 | Status = EFI_UNSUPPORTED;\r |
3321 | goto EXIT;\r | |
beda2356 | 3322 | }\r |
bc0c99b3 | 3323 | \r |
ecc722ad | 3324 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r |
3325 | \r | |
3326 | switch (QuestionId) {\r | |
3327 | case KEY_SECURE_BOOT_ENABLE:\r | |
f01b91ae | 3328 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
bf4a3dbd | 3329 | if (NULL != SecureBootEnable) {\r |
f71ed839 | 3330 | FreePool (SecureBootEnable);\r |
ecc722ad | 3331 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r |
3332 | CreatePopUp (\r | |
3333 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3334 | &Key,\r | |
3335 | L"Only Physical Presence User could disable secure boot!",\r | |
3336 | NULL\r | |
3337 | );\r | |
3338 | Status = EFI_UNSUPPORTED;\r | |
0357efe3 | 3339 | } else {\r |
3340 | CreatePopUp (\r | |
3341 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3342 | &Key,\r | |
f71ed839 | 3343 | L"Configuration changed, please reset the platform to take effect!",\r |
0357efe3 | 3344 | NULL\r |
3345 | );\r | |
ecc722ad | 3346 | }\r |
ecc722ad | 3347 | }\r |
3348 | break;\r | |
3349 | \r | |
ecc722ad | 3350 | case KEY_SECURE_BOOT_KEK_OPTION:\r |
3351 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
3352 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
20333c6d | 3353 | case KEY_SECURE_BOOT_DBT_OPTION:\r |
ecc722ad | 3354 | //\r |
3355 | // Clear Signature GUID.\r | |
3356 | //\r | |
3357 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
3358 | if (Private->SignatureGUID == NULL) {\r | |
3359 | Private->SignatureGUID = (EFI_GUID *) AllocateZeroPool (sizeof (EFI_GUID));\r | |
3360 | if (Private->SignatureGUID == NULL) {\r | |
3361 | return EFI_OUT_OF_RESOURCES;\r | |
3362 | }\r | |
3363 | }\r | |
beda2356 | 3364 | \r |
ecc722ad | 3365 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r |
3366 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
3367 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
3368 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
20333c6d QL |
3369 | } else if (QuestionId == KEY_SECURE_BOOT_DBT_OPTION) {\r |
3370 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;\r | |
ecc722ad | 3371 | } else {\r |
3372 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
3373 | }\r | |
3374 | \r | |
3375 | //\r | |
3376 | // Refresh selected file.\r | |
3377 | //\r | |
20333c6d | 3378 | CleanUpPage (LabelId, Private);\r |
ecc722ad | 3379 | break;\r |
762d8ddb DB |
3380 | case KEY_SECURE_BOOT_PK_OPTION:\r |
3381 | LabelId = FORMID_ENROLL_PK_FORM;\r | |
3382 | //\r | |
3383 | // Refresh selected file.\r | |
3384 | //\r | |
3385 | CleanUpPage (LabelId, Private);\r | |
3386 | break;\r | |
3387 | \r | |
3388 | case FORMID_ENROLL_PK_FORM:\r | |
d6224153 | 3389 | ChooseFile (NULL, NULL, UpdatePKFromFile, &File);\r |
762d8ddb | 3390 | break;\r |
20333c6d | 3391 | \r |
ecc722ad | 3392 | case FORMID_ENROLL_KEK_FORM:\r |
d6224153 | 3393 | ChooseFile (NULL, NULL, UpdateKEKFromFile, &File);\r |
762d8ddb DB |
3394 | break;\r |
3395 | \r | |
ecc722ad | 3396 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r |
d6224153 | 3397 | ChooseFile (NULL, NULL, UpdateDBFromFile, &File);\r |
762d8ddb DB |
3398 | break;\r |
3399 | \r | |
ecc722ad | 3400 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r |
d6224153 | 3401 | ChooseFile (NULL, NULL, UpdateDBXFromFile, &File);\r |
762d8ddb | 3402 | break;\r |
ecc722ad | 3403 | \r |
762d8ddb | 3404 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBT:\r |
d6224153 | 3405 | ChooseFile (NULL, NULL, UpdateDBTFromFile, &File);\r |
ecc722ad | 3406 | break;\r |
3407 | \r | |
20333c6d | 3408 | case KEY_SECURE_BOOT_DELETE_PK:\r |
f71ed839 | 3409 | if (Value->u8) {\r |
3410 | CreatePopUp (\r | |
3411 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3412 | &Key,\r | |
3413 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
3414 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
3415 | NULL\r | |
3416 | );\r | |
3417 | if (Key.UnicodeChar == 'y' || Key.UnicodeChar == 'Y') {\r | |
ecc722ad | 3418 | Status = DeletePlatformKey ();\r |
f71ed839 | 3419 | if (EFI_ERROR (Status)) {\r |
3420 | CreatePopUp (\r | |
3421 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3422 | &Key,\r | |
3423 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
3424 | NULL\r | |
3425 | );\r | |
3426 | }\r | |
ecc722ad | 3427 | }\r |
f71ed839 | 3428 | }\r |
ecc722ad | 3429 | break;\r |
3430 | \r | |
3431 | case KEY_DELETE_KEK:\r | |
3432 | UpdateDeletePage (\r | |
20333c6d | 3433 | Private,\r |
ecc722ad | 3434 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
3435 | &gEfiGlobalVariableGuid,\r | |
3436 | LABEL_KEK_DELETE,\r | |
3437 | FORMID_DELETE_KEK_FORM,\r | |
20333c6d | 3438 | OPTION_DEL_KEK_QUESTION_ID\r |
ecc722ad | 3439 | );\r |
3440 | break;\r | |
3441 | \r | |
20333c6d | 3442 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB:\r |
ecc722ad | 3443 | UpdateDeletePage (\r |
3444 | Private,\r | |
3445 | EFI_IMAGE_SECURITY_DATABASE,\r | |
3446 | &gEfiImageSecurityDatabaseGuid,\r | |
3447 | LABEL_DB_DELETE,\r | |
3448 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
3449 | OPTION_DEL_DB_QUESTION_ID\r | |
3450 | );\r | |
3451 | break;\r | |
3452 | \r | |
3453 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBX:\r | |
3454 | UpdateDeletePage (\r | |
3455 | Private,\r | |
3456 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
3457 | &gEfiImageSecurityDatabaseGuid,\r | |
3458 | LABEL_DBX_DELETE,\r | |
3459 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r | |
3460 | OPTION_DEL_DBX_QUESTION_ID\r | |
3461 | );\r | |
3462 | \r | |
3463 | break;\r | |
3464 | \r | |
20333c6d QL |
3465 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBT:\r |
3466 | UpdateDeletePage (\r | |
3467 | Private,\r | |
3468 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
3469 | &gEfiImageSecurityDatabaseGuid,\r | |
3470 | LABEL_DBT_DELETE,\r | |
3471 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
3472 | OPTION_DEL_DBT_QUESTION_ID\r | |
3473 | );\r | |
3474 | \r | |
3475 | break;\r | |
3476 | \r | |
ecc722ad | 3477 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r |
3478 | Status = EnrollKeyExchangeKey (Private);\r | |
ee79ac8d | 3479 | if (EFI_ERROR (Status)) {\r |
3480 | CreatePopUp (\r | |
3481 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3482 | &Key,\r | |
3483 | L"ERROR: Unsupported file type!",\r | |
3484 | L"Only supports DER-encoded X509 certificate",\r | |
3485 | NULL\r | |
3486 | );\r | |
3487 | }\r | |
ecc722ad | 3488 | break;\r |
3489 | \r | |
3490 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
3491 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
ee79ac8d | 3492 | if (EFI_ERROR (Status)) {\r |
3493 | CreatePopUp (\r | |
3494 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3495 | &Key,\r | |
3496 | L"ERROR: Unsupported file type!",\r | |
3497 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
3498 | NULL\r | |
3499 | );\r | |
3500 | }\r | |
ecc722ad | 3501 | break;\r |
3502 | \r | |
3503 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
20333c6d QL |
3504 | if (IsX509CertInDbx (Private, EFI_IMAGE_SECURITY_DATABASE1)) {\r |
3505 | CreatePopUp (\r | |
3506 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3507 | &Key,\r | |
3508 | L"Enrollment failed! Same certificate had already been in the dbx!",\r | |
3509 | NULL\r | |
3510 | );\r | |
3511 | break;\r | |
3512 | }\r | |
3513 | \r | |
3514 | if ((IfrNvData != NULL) && (IfrNvData->CertificateFormat < HASHALG_MAX)) {\r | |
3515 | Status = EnrollX509HashtoSigDB (\r | |
3516 | Private,\r | |
3517 | IfrNvData->CertificateFormat,\r | |
3518 | &IfrNvData->RevocationDate,\r | |
3519 | &IfrNvData->RevocationTime,\r | |
3520 | IfrNvData->AlwaysRevocation\r | |
3521 | );\r | |
3522 | } else {\r | |
3523 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
3524 | }\r | |
ee79ac8d | 3525 | if (EFI_ERROR (Status)) {\r |
3526 | CreatePopUp (\r | |
3527 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3528 | &Key,\r | |
3529 | L"ERROR: Unsupported file type!",\r | |
3530 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
3531 | NULL\r | |
3532 | );\r | |
3533 | }\r | |
ecc722ad | 3534 | break;\r |
3535 | \r | |
20333c6d QL |
3536 | case KEY_VALUE_SAVE_AND_EXIT_DBT:\r |
3537 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE2);\r | |
3538 | if (EFI_ERROR (Status)) {\r | |
3539 | CreatePopUp (\r | |
3540 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3541 | &Key,\r | |
3542 | L"ERROR: Unsupported file type!",\r | |
3543 | L"Only supports DER-encoded X509 certificate.",\r | |
3544 | NULL\r | |
3545 | );\r | |
3546 | }\r | |
3547 | break;\r | |
762d8ddb DB |
3548 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r |
3549 | Status = EnrollPlatformKey (Private);\r | |
3550 | if (EFI_ERROR (Status)) {\r | |
3551 | UnicodeSPrint (\r | |
3552 | PromptString,\r | |
3553 | sizeof (PromptString),\r | |
3554 | L"Only DER encoded certificate file (%s) is supported.",\r | |
3555 | mSupportX509Suffix\r | |
3556 | );\r | |
3557 | CreatePopUp (\r | |
3558 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
3559 | &Key,\r | |
3560 | L"ERROR: Unsupported file type!",\r | |
3561 | PromptString,\r | |
3562 | NULL\r | |
3563 | );\r | |
3564 | }\r | |
3565 | break;\r | |
ecc722ad | 3566 | default:\r |
762d8ddb | 3567 | if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r |
ecc722ad | 3568 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r |
3569 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
3570 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
3571 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3572 | DeleteSignature (\r | |
3573 | Private,\r | |
3574 | EFI_IMAGE_SECURITY_DATABASE,\r | |
3575 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 3576 | LABEL_DB_DELETE,\r |
ecc722ad | 3577 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r |
3578 | OPTION_DEL_DB_QUESTION_ID,\r | |
3579 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
3580 | );\r | |
3581 | } else if ((QuestionId >= OPTION_DEL_DBX_QUESTION_ID) &&\r | |
3582 | (QuestionId < (OPTION_DEL_DBX_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3583 | DeleteSignature (\r | |
3584 | Private,\r | |
3585 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
3586 | &gEfiImageSecurityDatabaseGuid,\r | |
20333c6d | 3587 | LABEL_DBX_DELETE,\r |
ecc722ad | 3588 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r |
3589 | OPTION_DEL_DBX_QUESTION_ID,\r | |
3590 | QuestionId - OPTION_DEL_DBX_QUESTION_ID\r | |
3591 | );\r | |
20333c6d QL |
3592 | } else if ((QuestionId >= OPTION_DEL_DBT_QUESTION_ID) &&\r |
3593 | (QuestionId < (OPTION_DEL_DBT_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
3594 | DeleteSignature (\r | |
3595 | Private,\r | |
3596 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
3597 | &gEfiImageSecurityDatabaseGuid,\r | |
3598 | LABEL_DBT_DELETE,\r | |
3599 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
3600 | OPTION_DEL_DBT_QUESTION_ID,\r | |
3601 | QuestionId - OPTION_DEL_DBT_QUESTION_ID\r | |
3602 | );\r | |
ecc722ad | 3603 | }\r |
3604 | break;\r | |
ecc722ad | 3605 | \r |
3606 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
3607 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
3608 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
3609 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
20333c6d | 3610 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBT:\r |
ecc722ad | 3611 | if (Private->FileContext->FHandle != NULL) {\r |
3612 | CloseFile (Private->FileContext->FHandle);\r | |
3613 | Private->FileContext->FHandle = NULL;\r | |
762d8ddb DB |
3614 | if (Private->FileContext->FileName!= NULL){\r |
3615 | FreePool(Private->FileContext->FileName);\r | |
3616 | Private->FileContext->FileName = NULL;\r | |
3617 | }\r | |
ecc722ad | 3618 | }\r |
20333c6d | 3619 | \r |
ecc722ad | 3620 | if (Private->SignatureGUID != NULL) {\r |
3621 | FreePool (Private->SignatureGUID);\r | |
3622 | Private->SignatureGUID = NULL;\r | |
3623 | }\r | |
ecc722ad | 3624 | break;\r |
762d8ddb DB |
3625 | }\r |
3626 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
3627 | switch (QuestionId) {\r | |
3628 | case KEY_SECURE_BOOT_ENABLE:\r | |
3629 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3630 | break;\r | |
ecc722ad | 3631 | case KEY_SECURE_BOOT_MODE:\r |
a365eed4 | 3632 | mIsEnterSecureBootForm = FALSE;\r |
ecc722ad | 3633 | break;\r |
ecc722ad | 3634 | case KEY_SECURE_BOOT_KEK_GUID:\r |
3635 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
3636 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
20333c6d | 3637 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBT:\r |
ecc722ad | 3638 | ASSERT (Private->SignatureGUID != NULL);\r |
3639 | Status = StringToGuid (\r | |
3640 | IfrNvData->SignatureGuid,\r | |
3641 | StrLen (IfrNvData->SignatureGuid),\r | |
3642 | Private->SignatureGUID\r | |
3643 | );\r | |
3644 | if (EFI_ERROR (Status)) {\r | |
3645 | break;\r | |
3646 | }\r | |
3647 | \r | |
3648 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3649 | break;\r | |
3650 | \r | |
3651 | case KEY_SECURE_BOOT_DELETE_PK:\r | |
12087ff6 ZC |
3652 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
3653 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
f71ed839 | 3654 | IfrNvData->DeletePk = TRUE;\r |
3655 | IfrNvData->HasPk = FALSE;\r | |
ecc722ad | 3656 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r |
f71ed839 | 3657 | } else {\r |
3658 | IfrNvData->DeletePk = FALSE;\r | |
3659 | IfrNvData->HasPk = TRUE;\r | |
3660 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
3661 | }\r | |
12087ff6 ZC |
3662 | if (SetupMode != NULL) {\r |
3663 | FreePool (SetupMode);\r | |
3664 | }\r | |
c93bcb7e ED |
3665 | break;\r |
3666 | default:\r | |
c93bcb7e | 3667 | break;\r |
ecc722ad | 3668 | }\r |
a2f2c258 | 3669 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
3670 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
126f3b1d ZC |
3671 | GetVariable2 (EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid, (VOID**)&Pk, NULL);\r |
3672 | if (Pk == NULL) {\r | |
a2f2c258 | 3673 | IfrNvData->HideSecureBoot = TRUE;\r |
3674 | } else {\r | |
126f3b1d | 3675 | FreePool (Pk);\r |
a2f2c258 | 3676 | IfrNvData->HideSecureBoot = FALSE;\r |
3677 | }\r | |
3678 | Value->b = IfrNvData->HideSecureBoot;\r | |
3679 | }\r | |
f71ed839 | 3680 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
3681 | //\r | |
3682 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
3683 | //\r | |
3684 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
3685 | if (NULL != SecureBootMode && *SecureBootMode == CUSTOM_SECURE_BOOT_MODE) {\r | |
3686 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3687 | SetSecureBootMode(STANDARD_SECURE_BOOT_MODE);\r | |
3688 | }\r | |
3689 | if (SecureBootMode != NULL) {\r | |
3690 | FreePool (SecureBootMode);\r | |
3691 | }\r | |
ecc722ad | 3692 | }\r |
20333c6d | 3693 | \r |
96832eef CZ |
3694 | EXIT:\r |
3695 | \r | |
ecc722ad | 3696 | if (!EFI_ERROR (Status)) {\r |
3697 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
742d9b3a | 3698 | HiiSetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8*) IfrNvData, NULL);\r |
ecc722ad | 3699 | }\r |
96832eef | 3700 | \r |
ecc722ad | 3701 | FreePool (IfrNvData);\r |
20333c6d | 3702 | \r |
762d8ddb DB |
3703 | if (File != NULL){\r |
3704 | FreePool(File);\r | |
3705 | File = NULL;\r | |
3706 | }\r | |
3707 | \r | |
ecc722ad | 3708 | return EFI_SUCCESS;\r |
beda2356 | 3709 | }\r |
3710 | \r | |
3711 | /**\r | |
3712 | This function publish the SecureBoot configuration Form.\r | |
3713 | \r | |
3714 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
3715 | \r | |
ecc722ad | 3716 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 3717 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
3718 | @retval Others Other errors as indicated.\r | |
3719 | \r | |
3720 | **/\r | |
3721 | EFI_STATUS\r | |
3722 | InstallSecureBootConfigForm (\r | |
3723 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
3724 | )\r | |
3725 | {\r | |
3726 | EFI_STATUS Status;\r | |
3727 | EFI_HII_HANDLE HiiHandle;\r | |
3728 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 3729 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
3730 | \r | |
3731 | DriverHandle = NULL;\r | |
3732 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
3733 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3734 | &DriverHandle,\r | |
3735 | &gEfiDevicePathProtocolGuid,\r | |
3736 | &mSecureBootHiiVendorDevicePath,\r | |
3737 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3738 | ConfigAccess,\r | |
3739 | NULL\r | |
3740 | );\r | |
3741 | if (EFI_ERROR (Status)) {\r | |
3742 | return Status;\r | |
3743 | }\r | |
3744 | \r | |
3745 | PrivateData->DriverHandle = DriverHandle;\r | |
3746 | \r | |
3747 | //\r | |
3748 | // Publish the HII package list\r | |
3749 | //\r | |
3750 | HiiHandle = HiiAddPackages (\r | |
3751 | &gSecureBootConfigFormSetGuid,\r | |
3752 | DriverHandle,\r | |
3753 | SecureBootConfigDxeStrings,\r | |
3754 | SecureBootConfigBin,\r | |
3755 | NULL\r | |
3756 | );\r | |
3757 | if (HiiHandle == NULL) {\r | |
3758 | gBS->UninstallMultipleProtocolInterfaces (\r | |
3759 | DriverHandle,\r | |
3760 | &gEfiDevicePathProtocolGuid,\r | |
3761 | &mSecureBootHiiVendorDevicePath,\r | |
3762 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3763 | ConfigAccess,\r | |
3764 | NULL\r | |
bc0c99b3 | 3765 | );\r |
beda2356 | 3766 | return EFI_OUT_OF_RESOURCES;\r |
3767 | }\r | |
bc0c99b3 | 3768 | \r |
beda2356 | 3769 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 3770 | \r |
3771 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
20333c6d | 3772 | \r |
762d8ddb | 3773 | if (PrivateData->FileContext == NULL) {\r |
ecc722ad | 3774 | UninstallSecureBootConfigForm (PrivateData);\r |
3775 | return EFI_OUT_OF_RESOURCES;\r | |
3776 | }\r | |
20333c6d | 3777 | \r |
ecc722ad | 3778 | //\r |
3779 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
3780 | //\r | |
3781 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3782 | if (mStartOpCodeHandle == NULL) {\r | |
3783 | UninstallSecureBootConfigForm (PrivateData);\r | |
3784 | return EFI_OUT_OF_RESOURCES;\r | |
3785 | }\r | |
3786 | \r | |
3787 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3788 | if (mEndOpCodeHandle == NULL) {\r | |
3789 | UninstallSecureBootConfigForm (PrivateData);\r | |
3790 | return EFI_OUT_OF_RESOURCES;\r | |
3791 | }\r | |
3792 | \r | |
3793 | //\r | |
3794 | // Create Hii Extend Label OpCode as the start opcode\r | |
3795 | //\r | |
3796 | mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
3797 | mStartOpCodeHandle,\r | |
3798 | &gEfiIfrTianoGuid,\r | |
3799 | NULL,\r | |
3800 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3801 | );\r | |
3802 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3803 | \r | |
3804 | //\r | |
3805 | // Create Hii Extend Label OpCode as the end opcode\r | |
3806 | //\r | |
3807 | mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
3808 | mEndOpCodeHandle,\r | |
3809 | &gEfiIfrTianoGuid,\r | |
3810 | NULL,\r | |
3811 | sizeof (EFI_IFR_GUID_LABEL)\r | |
3812 | );\r | |
3813 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3814 | mEndLabel->Number = LABEL_END;\r | |
20333c6d | 3815 | \r |
bc0c99b3 | 3816 | return EFI_SUCCESS;\r |
beda2356 | 3817 | }\r |
3818 | \r | |
3819 | /**\r | |
3820 | This function removes SecureBoot configuration Form.\r | |
3821 | \r | |
3822 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
3823 | \r | |
3824 | **/\r | |
3825 | VOID\r | |
3826 | UninstallSecureBootConfigForm (\r | |
3827 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
3828 | )\r | |
3829 | {\r | |
3830 | //\r | |
3831 | // Uninstall HII package list\r | |
3832 | //\r | |
3833 | if (PrivateData->HiiHandle != NULL) {\r | |
3834 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
3835 | PrivateData->HiiHandle = NULL;\r | |
3836 | }\r | |
3837 | \r | |
3838 | //\r | |
3839 | // Uninstall HII Config Access Protocol\r | |
3840 | //\r | |
3841 | if (PrivateData->DriverHandle != NULL) {\r | |
3842 | gBS->UninstallMultipleProtocolInterfaces (\r | |
3843 | PrivateData->DriverHandle,\r | |
3844 | &gEfiDevicePathProtocolGuid,\r | |
3845 | &mSecureBootHiiVendorDevicePath,\r | |
3846 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3847 | &PrivateData->ConfigAccess,\r | |
3848 | NULL\r | |
3849 | );\r | |
3850 | PrivateData->DriverHandle = NULL;\r | |
3851 | }\r | |
bc0c99b3 | 3852 | \r |
ecc722ad | 3853 | if (PrivateData->SignatureGUID != NULL) {\r |
3854 | FreePool (PrivateData->SignatureGUID);\r | |
3855 | }\r | |
3856 | \r | |
ecc722ad | 3857 | if (PrivateData->FileContext != NULL) {\r |
3858 | FreePool (PrivateData->FileContext);\r | |
3859 | }\r | |
3860 | \r | |
beda2356 | 3861 | FreePool (PrivateData);\r |
ecc722ad | 3862 | \r |
ecc722ad | 3863 | if (mStartOpCodeHandle != NULL) {\r |
3864 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
3865 | }\r | |
3866 | \r | |
3867 | if (mEndOpCodeHandle != NULL) {\r | |
3868 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
3869 | }\r | |
beda2356 | 3870 | }\r |