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beda2356 | 1 | /** @file\r |
2 | HII Config Access protocol implementation of SecureBoot configuration module.\r | |
3 | \r | |
b3548d32 | 4 | Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\r |
488aab25 | 5 | (C) Copyright 2018 Hewlett Packard Enterprise Development LP<BR>\r |
289b714b | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
beda2356 | 7 | \r |
8 | **/\r | |
9 | \r | |
10 | #include "SecureBootConfigImpl.h"\r | |
55266a9b | 11 | #include <Protocol/HiiPopup.h>\r |
85974aef | 12 | #include <Library/BaseCryptLib.h>\r |
db959018 GB |
13 | #include <Library/SecureBootVariableLib.h>\r |
14 | #include <Library/SecureBootVariableProvisionLib.h>\r | |
beda2356 | 15 | \r |
c411b485 | 16 | CHAR16 mSecureBootStorageName[] = L"SECUREBOOT_CONFIGURATION";\r |
beda2356 | 17 | \r |
c411b485 | 18 | SECUREBOOT_CONFIG_PRIVATE_DATA mSecureBootConfigPrivateDateTemplate = {\r |
20333c6d | 19 | SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE,\r |
beda2356 | 20 | {\r |
21 | SecureBootExtractConfig,\r | |
22 | SecureBootRouteConfig,\r | |
23 | SecureBootCallback\r | |
24 | }\r | |
25 | };\r | |
26 | \r | |
c411b485 | 27 | HII_VENDOR_DEVICE_PATH mSecureBootHiiVendorDevicePath = {\r |
beda2356 | 28 | {\r |
29 | {\r | |
30 | HARDWARE_DEVICE_PATH,\r | |
31 | HW_VENDOR_DP,\r | |
32 | {\r | |
c411b485 MK |
33 | (UINT8)(sizeof (VENDOR_DEVICE_PATH)),\r |
34 | (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
beda2356 | 35 | }\r |
36 | },\r | |
37 | SECUREBOOT_CONFIG_FORM_SET_GUID\r | |
38 | },\r | |
39 | {\r | |
40 | END_DEVICE_PATH_TYPE,\r | |
41 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
bc0c99b3 | 42 | {\r |
c411b485 MK |
43 | (UINT8)(END_DEVICE_PATH_LENGTH),\r |
44 | (UINT8)((END_DEVICE_PATH_LENGTH) >> 8)\r | |
beda2356 | 45 | }\r |
46 | }\r | |
47 | };\r | |
48 | \r | |
c411b485 | 49 | BOOLEAN mIsEnterSecureBootForm = FALSE;\r |
a365eed4 | 50 | \r |
ecc722ad | 51 | //\r |
52 | // OID ASN.1 Value for Hash Algorithms\r | |
53 | //\r | |
c411b485 MK |
54 | UINT8 mHashOidValue[] = {\r |
55 | 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, // OBJ_md5\r | |
56 | 0x2B, 0x0E, 0x03, 0x02, 0x1A, // OBJ_sha1\r | |
57 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, // OBJ_sha224\r | |
58 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, // OBJ_sha256\r | |
59 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, // OBJ_sha384\r | |
60 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, // OBJ_sha512\r | |
61 | };\r | |
62 | \r | |
63 | HASH_TABLE mHash[] = {\r | |
64 | { L"SHA224", 28, &mHashOidValue[13], 9, NULL, NULL, NULL, NULL },\r | |
65 | { L"SHA256", 32, &mHashOidValue[22], 9, Sha256GetContextSize, Sha256Init, Sha256Update, Sha256Final },\r | |
66 | { L"SHA384", 48, &mHashOidValue[31], 9, Sha384GetContextSize, Sha384Init, Sha384Update, Sha384Final },\r | |
67 | { L"SHA512", 64, &mHashOidValue[40], 9, Sha512GetContextSize, Sha512Init, Sha512Update, Sha512Final }\r | |
ecc722ad | 68 | };\r |
69 | \r | |
e4d7370d | 70 | //\r |
20333c6d QL |
71 | // Variable Definitions\r |
72 | //\r | |
c411b485 MK |
73 | UINT32 mPeCoffHeaderOffset = 0;\r |
74 | WIN_CERTIFICATE *mCertificate = NULL;\r | |
75 | IMAGE_TYPE mImageType;\r | |
76 | UINT8 *mImageBase = NULL;\r | |
77 | UINTN mImageSize = 0;\r | |
78 | UINT8 mImageDigest[MAX_DIGEST_SIZE];\r | |
79 | UINTN mImageDigestSize;\r | |
80 | EFI_GUID mCertType;\r | |
ecc722ad | 81 | EFI_IMAGE_SECURITY_DATA_DIRECTORY *mSecDataDir = NULL;\r |
82 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION mNtHeader;\r | |
83 | \r | |
e4d7370d | 84 | //\r |
85 | // Possible DER-encoded certificate file suffixes, end with NULL pointer.\r | |
86 | //\r | |
c411b485 | 87 | CHAR16 *mDerEncodedSuffix[] = {\r |
e4d7370d | 88 | L".cer",\r |
89 | L".der",\r | |
90 | L".crt",\r | |
91 | NULL\r | |
92 | };\r | |
c411b485 | 93 | CHAR16 *mSupportX509Suffix = L"*.cer/der/crt";\r |
e4d7370d | 94 | \r |
5396354b JG |
95 | //\r |
96 | // Prompt strings during certificate enrollment.\r | |
97 | //\r | |
c411b485 | 98 | CHAR16 *mX509EnrollPromptTitle[] = {\r |
5396354b JG |
99 | L"",\r |
100 | L"ERROR: Unsupported file type!",\r | |
101 | L"ERROR: Unsupported certificate!",\r | |
102 | NULL\r | |
103 | };\r | |
c411b485 | 104 | CHAR16 *mX509EnrollPromptString[] = {\r |
5396354b JG |
105 | L"",\r |
106 | L"Only DER encoded certificate file (*.cer/der/crt) is supported.",\r | |
107 | L"Public key length should be equal to or greater than 2048 bits.",\r | |
108 | NULL\r | |
109 | };\r | |
110 | \r | |
762d8ddb DB |
111 | SECUREBOOT_CONFIG_PRIVATE_DATA *gSecureBootPrivateData = NULL;\r |
112 | \r | |
4de754e1 ZC |
113 | /**\r |
114 | This code cleans up enrolled file by closing file & free related resources attached to\r | |
9d9b8b77 | 115 | enrolled file.\r |
4de754e1 | 116 | \r |
9d9b8b77 | 117 | @param[in] FileContext FileContext cached in SecureBootConfig driver\r |
4de754e1 ZC |
118 | \r |
119 | **/\r | |
4de754e1 | 120 | VOID\r |
c411b485 MK |
121 | CloseEnrolledFile (\r |
122 | IN SECUREBOOT_FILE_CONTEXT *FileContext\r | |
123 | )\r | |
4de754e1 ZC |
124 | {\r |
125 | if (FileContext->FHandle != NULL) {\r | |
126 | CloseFile (FileContext->FHandle);\r | |
127 | FileContext->FHandle = NULL;\r | |
128 | }\r | |
129 | \r | |
c411b485 MK |
130 | if (FileContext->FileName != NULL) {\r |
131 | FreePool (FileContext->FileName);\r | |
4de754e1 ZC |
132 | FileContext->FileName = NULL;\r |
133 | }\r | |
4de754e1 | 134 | \r |
c411b485 | 135 | FileContext->FileType = UNKNOWN_FILE_TYPE;\r |
4de754e1 ZC |
136 | }\r |
137 | \r | |
e4d7370d | 138 | /**\r |
139 | This code checks if the FileSuffix is one of the possible DER-encoded certificate suffix.\r | |
140 | \r | |
141 | @param[in] FileSuffix The suffix of the input certificate file\r | |
142 | \r | |
143 | @retval TRUE It's a DER-encoded certificate.\r | |
144 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
145 | \r | |
146 | **/\r | |
147 | BOOLEAN\r | |
148 | IsDerEncodeCertificate (\r | |
c411b485 MK |
149 | IN CONST CHAR16 *FileSuffix\r |
150 | )\r | |
e4d7370d | 151 | {\r |
c411b485 MK |
152 | UINTN Index;\r |
153 | \r | |
e4d7370d | 154 | for (Index = 0; mDerEncodedSuffix[Index] != NULL; Index++) {\r |
155 | if (StrCmp (FileSuffix, mDerEncodedSuffix[Index]) == 0) {\r | |
156 | return TRUE;\r | |
157 | }\r | |
158 | }\r | |
c411b485 | 159 | \r |
e4d7370d | 160 | return FALSE;\r |
161 | }\r | |
ecc722ad | 162 | \r |
4de754e1 ZC |
163 | /**\r |
164 | This code checks if the file content complies with EFI_VARIABLE_AUTHENTICATION_2 format\r | |
165 | The function reads file content but won't open/close given FileHandle.\r | |
166 | \r | |
167 | @param[in] FileHandle The FileHandle to be checked\r | |
168 | \r | |
169 | @retval TRUE The content is EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
170 | @retval FALSE The content is NOT a EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
171 | \r | |
172 | **/\r | |
173 | BOOLEAN\r | |
174 | IsAuthentication2Format (\r | |
c411b485 MK |
175 | IN EFI_FILE_HANDLE FileHandle\r |
176 | )\r | |
4de754e1 ZC |
177 | {\r |
178 | EFI_STATUS Status;\r | |
179 | EFI_VARIABLE_AUTHENTICATION_2 *Auth2;\r | |
180 | BOOLEAN IsAuth2Format;\r | |
181 | \r | |
182 | IsAuth2Format = FALSE;\r | |
183 | \r | |
184 | //\r | |
185 | // Read the whole file content\r | |
186 | //\r | |
c411b485 | 187 | Status = ReadFileContent (\r |
4de754e1 | 188 | FileHandle,\r |
c411b485 | 189 | (VOID **)&mImageBase,\r |
4de754e1 ZC |
190 | &mImageSize,\r |
191 | 0\r | |
192 | );\r | |
193 | if (EFI_ERROR (Status)) {\r | |
194 | goto ON_EXIT;\r | |
195 | }\r | |
196 | \r | |
197 | Auth2 = (EFI_VARIABLE_AUTHENTICATION_2 *)mImageBase;\r | |
198 | if (Auth2->AuthInfo.Hdr.wCertificateType != WIN_CERT_TYPE_EFI_GUID) {\r | |
199 | goto ON_EXIT;\r | |
200 | }\r | |
201 | \r | |
c411b485 | 202 | if (CompareGuid (&gEfiCertPkcs7Guid, &Auth2->AuthInfo.CertType)) {\r |
4de754e1 ZC |
203 | IsAuth2Format = TRUE;\r |
204 | }\r | |
205 | \r | |
206 | ON_EXIT:\r | |
207 | //\r | |
208 | // Do not close File. simply check file content\r | |
209 | //\r | |
210 | if (mImageBase != NULL) {\r | |
211 | FreePool (mImageBase);\r | |
212 | mImageBase = NULL;\r | |
213 | }\r | |
214 | \r | |
215 | return IsAuth2Format;\r | |
216 | }\r | |
217 | \r | |
ecc722ad | 218 | /**\r |
219 | Set Secure Boot option into variable space.\r | |
220 | \r | |
221 | @param[in] VarValue The option of Secure Boot.\r | |
222 | \r | |
223 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
224 | @retval Others Other errors as indicated.\r | |
225 | \r | |
226 | **/\r | |
227 | EFI_STATUS\r | |
228 | SaveSecureBootVariable (\r | |
c411b485 | 229 | IN UINT8 VarValue\r |
ecc722ad | 230 | )\r |
231 | {\r | |
c411b485 | 232 | EFI_STATUS Status;\r |
ecc722ad | 233 | \r |
234 | Status = gRT->SetVariable (\r | |
c411b485 MK |
235 | EFI_SECURE_BOOT_ENABLE_NAME,\r |
236 | &gEfiSecureBootEnableDisableGuid,\r | |
237 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
238 | sizeof (UINT8),\r | |
239 | &VarValue\r | |
240 | );\r | |
ecc722ad | 241 | return Status;\r |
242 | }\r | |
243 | \r | |
5396354b JG |
244 | /**\r |
245 | This code checks if the encode type and key strength of X.509\r | |
246 | certificate is qualified.\r | |
247 | \r | |
248 | @param[in] X509FileContext FileContext of X.509 certificate storing\r | |
249 | file.\r | |
250 | @param[out] Error Error type checked in the certificate.\r | |
251 | \r | |
252 | @return EFI_SUCCESS The certificate checked successfully.\r | |
253 | @return EFI_INVALID_PARAMETER The parameter is invalid.\r | |
254 | @return EFI_OUT_OF_RESOURCES Memory allocation failed.\r | |
255 | \r | |
256 | **/\r | |
257 | EFI_STATUS\r | |
258 | CheckX509Certificate (\r | |
c411b485 MK |
259 | IN SECUREBOOT_FILE_CONTEXT *X509FileContext,\r |
260 | OUT ENROLL_KEY_ERROR *Error\r | |
261 | )\r | |
5396354b | 262 | {\r |
c411b485 MK |
263 | EFI_STATUS Status;\r |
264 | UINT16 *FilePostFix;\r | |
265 | UINTN NameLength;\r | |
266 | UINT8 *X509Data;\r | |
267 | UINTN X509DataSize;\r | |
268 | void *X509PubKey;\r | |
269 | UINTN PubKeyModSize;\r | |
5396354b JG |
270 | \r |
271 | if (X509FileContext->FileName == NULL) {\r | |
272 | *Error = Unsupported_Type;\r | |
273 | return EFI_INVALID_PARAMETER;\r | |
274 | }\r | |
275 | \r | |
c411b485 MK |
276 | X509Data = NULL;\r |
277 | X509DataSize = 0;\r | |
278 | X509PubKey = NULL;\r | |
279 | PubKeyModSize = 0;\r | |
5396354b JG |
280 | \r |
281 | //\r | |
282 | // Parse the file's postfix. Only support DER encoded X.509 certificate files.\r | |
283 | //\r | |
284 | NameLength = StrLen (X509FileContext->FileName);\r | |
285 | if (NameLength <= 4) {\r | |
286 | DEBUG ((DEBUG_ERROR, "Wrong X509 NameLength\n"));\r | |
287 | *Error = Unsupported_Type;\r | |
288 | return EFI_INVALID_PARAMETER;\r | |
289 | }\r | |
c411b485 | 290 | \r |
5396354b JG |
291 | FilePostFix = X509FileContext->FileName + NameLength - 4;\r |
292 | if (!IsDerEncodeCertificate (FilePostFix)) {\r | |
293 | DEBUG ((DEBUG_ERROR, "Unsupported file type, only DER encoded certificate (%s) is supported.\n", mSupportX509Suffix));\r | |
294 | *Error = Unsupported_Type;\r | |
295 | return EFI_INVALID_PARAMETER;\r | |
296 | }\r | |
c411b485 | 297 | \r |
5396354b JG |
298 | DEBUG ((DEBUG_INFO, "FileName= %s\n", X509FileContext->FileName));\r |
299 | DEBUG ((DEBUG_INFO, "FilePostFix = %s\n", FilePostFix));\r | |
300 | \r | |
301 | //\r | |
302 | // Read the certificate file content\r | |
303 | //\r | |
c411b485 | 304 | Status = ReadFileContent (X509FileContext->FHandle, (VOID **)&X509Data, &X509DataSize, 0);\r |
5396354b JG |
305 | if (EFI_ERROR (Status)) {\r |
306 | DEBUG ((DEBUG_ERROR, "Error occured while reading the file.\n"));\r | |
307 | goto ON_EXIT;\r | |
308 | }\r | |
309 | \r | |
310 | //\r | |
311 | // Parse the public key context.\r | |
312 | //\r | |
313 | if (RsaGetPublicKeyFromX509 (X509Data, X509DataSize, &X509PubKey) == FALSE) {\r | |
314 | DEBUG ((DEBUG_ERROR, "Error occured while parsing the pubkey from certificate.\n"));\r | |
315 | Status = EFI_INVALID_PARAMETER;\r | |
316 | *Error = Unsupported_Type;\r | |
317 | goto ON_EXIT;\r | |
318 | }\r | |
319 | \r | |
320 | //\r | |
321 | // Parse Module size of public key using interface provided by CryptoPkg, which is\r | |
322 | // actually the size of public key.\r | |
323 | //\r | |
324 | if (X509PubKey != NULL) {\r | |
325 | RsaGetKey (X509PubKey, RsaKeyN, NULL, &PubKeyModSize);\r | |
326 | if (PubKeyModSize < CER_PUBKEY_MIN_SIZE) {\r | |
327 | DEBUG ((DEBUG_ERROR, "Unqualified PK size, key size should be equal to or greater than 2048 bits.\n"));\r | |
328 | Status = EFI_INVALID_PARAMETER;\r | |
329 | *Error = Unqualified_Key;\r | |
330 | }\r | |
c411b485 | 331 | \r |
5396354b JG |
332 | RsaFree (X509PubKey);\r |
333 | }\r | |
334 | \r | |
c411b485 | 335 | ON_EXIT:\r |
5396354b JG |
336 | if (X509Data != NULL) {\r |
337 | FreePool (X509Data);\r | |
338 | }\r | |
339 | \r | |
340 | return Status;\r | |
341 | }\r | |
342 | \r | |
ecc722ad | 343 | /**\r |
344 | Generate the PK signature list from the X509 Certificate storing file (.cer)\r | |
345 | \r | |
346 | @param[in] X509File FileHandle of X509 Certificate storing file.\r | |
347 | @param[out] PkCert Point to the data buffer to store the signature list.\r | |
20333c6d | 348 | \r |
ecc722ad | 349 | @return EFI_UNSUPPORTED Unsupported Key Length.\r |
d6b926e7 | 350 | @return EFI_OUT_OF_RESOURCES There are not enough memory resources to form the signature list.\r |
20333c6d | 351 | \r |
ecc722ad | 352 | **/\r |
353 | EFI_STATUS\r | |
354 | CreatePkX509SignatureList (\r | |
c411b485 MK |
355 | IN EFI_FILE_HANDLE X509File,\r |
356 | OUT EFI_SIGNATURE_LIST **PkCert\r | |
ecc722ad | 357 | )\r |
358 | {\r | |
c411b485 MK |
359 | EFI_STATUS Status;\r |
360 | UINT8 *X509Data;\r | |
361 | UINTN X509DataSize;\r | |
362 | EFI_SIGNATURE_DATA *PkCertData;\r | |
ecc722ad | 363 | \r |
c411b485 MK |
364 | X509Data = NULL;\r |
365 | PkCertData = NULL;\r | |
20333c6d QL |
366 | X509DataSize = 0;\r |
367 | \r | |
c411b485 | 368 | Status = ReadFileContent (X509File, (VOID **)&X509Data, &X509DataSize, 0);\r |
ecc722ad | 369 | if (EFI_ERROR (Status)) {\r |
370 | goto ON_EXIT;\r | |
371 | }\r | |
c411b485 | 372 | \r |
ba57d4fd | 373 | ASSERT (X509Data != NULL);\r |
ecc722ad | 374 | \r |
375 | //\r | |
376 | // Allocate space for PK certificate list and initialize it.\r | |
377 | // Create PK database entry with SignatureHeaderSize equals 0.\r | |
378 | //\r | |
c411b485 MK |
379 | *PkCert = (EFI_SIGNATURE_LIST *)AllocateZeroPool (\r |
380 | sizeof (EFI_SIGNATURE_LIST) + sizeof (EFI_SIGNATURE_DATA) - 1\r | |
381 | + X509DataSize\r | |
382 | );\r | |
ecc722ad | 383 | if (*PkCert == NULL) {\r |
384 | Status = EFI_OUT_OF_RESOURCES;\r | |
385 | goto ON_EXIT;\r | |
386 | }\r | |
387 | \r | |
c411b485 MK |
388 | (*PkCert)->SignatureListSize = (UINT32)(sizeof (EFI_SIGNATURE_LIST)\r |
389 | + sizeof (EFI_SIGNATURE_DATA) - 1\r | |
390 | + X509DataSize);\r | |
391 | (*PkCert)->SignatureSize = (UINT32)(sizeof (EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
ecc722ad | 392 | (*PkCert)->SignatureHeaderSize = 0;\r |
393 | CopyGuid (&(*PkCert)->SignatureType, &gEfiCertX509Guid);\r | |
c411b485 MK |
394 | PkCertData = (EFI_SIGNATURE_DATA *)((UINTN)(*PkCert)\r |
395 | + sizeof (EFI_SIGNATURE_LIST)\r | |
396 | + (*PkCert)->SignatureHeaderSize);\r | |
20333c6d | 397 | CopyGuid (&PkCertData->SignatureOwner, &gEfiGlobalVariableGuid);\r |
ecc722ad | 398 | //\r |
399 | // Fill the PK database with PKpub data from X509 certificate file.\r | |
20333c6d | 400 | //\r |
ecc722ad | 401 | CopyMem (&(PkCertData->SignatureData[0]), X509Data, X509DataSize);\r |
20333c6d | 402 | \r |
ecc722ad | 403 | ON_EXIT:\r |
20333c6d | 404 | \r |
ecc722ad | 405 | if (X509Data != NULL) {\r |
406 | FreePool (X509Data);\r | |
407 | }\r | |
20333c6d | 408 | \r |
c411b485 | 409 | if (EFI_ERROR (Status) && (*PkCert != NULL)) {\r |
ecc722ad | 410 | FreePool (*PkCert);\r |
411 | *PkCert = NULL;\r | |
412 | }\r | |
20333c6d | 413 | \r |
ecc722ad | 414 | return Status;\r |
415 | }\r | |
416 | \r | |
417 | /**\r | |
418 | Enroll new PK into the System without original PK's authentication.\r | |
419 | \r | |
420 | The SignatureOwner GUID will be the same with PK's vendorguid.\r | |
421 | \r | |
422 | @param[in] PrivateData The module's private data.\r | |
423 | \r | |
424 | @retval EFI_SUCCESS New PK enrolled successfully.\r | |
425 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
426 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 427 | \r |
ecc722ad | 428 | **/\r |
429 | EFI_STATUS\r | |
430 | EnrollPlatformKey (\r | |
c411b485 | 431 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r |
20333c6d | 432 | )\r |
ecc722ad | 433 | {\r |
c411b485 MK |
434 | EFI_STATUS Status;\r |
435 | UINT32 Attr;\r | |
436 | UINTN DataSize;\r | |
437 | EFI_SIGNATURE_LIST *PkCert;\r | |
ecc722ad | 438 | \r |
439 | PkCert = NULL;\r | |
440 | \r | |
c411b485 | 441 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 442 | if (EFI_ERROR (Status)) {\r |
443 | return Status;\r | |
444 | }\r | |
445 | \r | |
ecc722ad | 446 | //\r |
d6b926e7 | 447 | // Prase the selected PK file and generate PK certificate list.\r |
ecc722ad | 448 | //\r |
8c1babfd | 449 | Status = CreatePkX509SignatureList (\r |
c411b485 MK |
450 | Private->FileContext->FHandle,\r |
451 | &PkCert\r | |
452 | );\r | |
8c1babfd | 453 | if (EFI_ERROR (Status)) {\r |
454 | goto ON_EXIT;\r | |
ecc722ad | 455 | }\r |
c411b485 | 456 | \r |
ba57d4fd | 457 | ASSERT (PkCert != NULL);\r |
20333c6d | 458 | \r |
ecc722ad | 459 | //\r |
460 | // Set Platform Key variable.\r | |
20333c6d QL |
461 | //\r |
462 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
c411b485 | 463 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
ecc722ad | 464 | DataSize = PkCert->SignatureListSize;\r |
c411b485 | 465 | Status = CreateTimeBasedPayload (&DataSize, (UINT8 **)&PkCert);\r |
8c1babfd | 466 | if (EFI_ERROR (Status)) {\r |
e905fbb0 | 467 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 468 | goto ON_EXIT;\r |
469 | }\r | |
20333c6d | 470 | \r |
c411b485 | 471 | Status = gRT->SetVariable (\r |
20333c6d QL |
472 | EFI_PLATFORM_KEY_NAME,\r |
473 | &gEfiGlobalVariableGuid,\r | |
474 | Attr,\r | |
475 | DataSize,\r | |
ecc722ad | 476 | PkCert\r |
477 | );\r | |
478 | if (EFI_ERROR (Status)) {\r | |
479 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
e905fbb0 | 480 | DEBUG ((DEBUG_ERROR, "Enroll PK failed with out of resource.\n"));\r |
ecc722ad | 481 | }\r |
c411b485 | 482 | \r |
ecc722ad | 483 | goto ON_EXIT;\r |
484 | }\r | |
20333c6d | 485 | \r |
ecc722ad | 486 | ON_EXIT:\r |
487 | \r | |
488 | if (PkCert != NULL) {\r | |
c411b485 | 489 | FreePool (PkCert);\r |
ecc722ad | 490 | }\r |
20333c6d | 491 | \r |
c411b485 | 492 | CloseEnrolledFile (Private->FileContext);\r |
ecc722ad | 493 | \r |
494 | return Status;\r | |
495 | }\r | |
496 | \r | |
ecc722ad | 497 | /**\r |
498 | Enroll a new KEK item from public key storing file (*.pbk).\r | |
499 | \r | |
500 | @param[in] PrivateData The module's private data.\r | |
501 | \r | |
502 | @retval EFI_SUCCESS New KEK enrolled successfully.\r | |
503 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
504 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
505 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
506 | \r | |
507 | **/\r | |
508 | EFI_STATUS\r | |
509 | EnrollRsa2048ToKek (\r | |
c411b485 | 510 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r |
ecc722ad | 511 | )\r |
512 | {\r | |
c411b485 MK |
513 | EFI_STATUS Status;\r |
514 | UINT32 Attr;\r | |
515 | UINTN DataSize;\r | |
516 | EFI_SIGNATURE_LIST *KekSigList;\r | |
517 | UINTN KeyBlobSize;\r | |
518 | UINT8 *KeyBlob;\r | |
519 | CPL_KEY_INFO *KeyInfo;\r | |
520 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
521 | UINTN KekSigListSize;\r | |
522 | UINT8 *KeyBuffer;\r | |
523 | UINTN KeyLenInBytes;\r | |
524 | \r | |
525 | Attr = 0;\r | |
526 | DataSize = 0;\r | |
527 | KeyBuffer = NULL;\r | |
528 | KeyBlobSize = 0;\r | |
529 | KeyBlob = NULL;\r | |
530 | KeyInfo = NULL;\r | |
531 | KEKSigData = NULL;\r | |
532 | KekSigList = NULL;\r | |
ecc722ad | 533 | KekSigListSize = 0;\r |
20333c6d | 534 | \r |
ecc722ad | 535 | //\r |
536 | // Form the KeKpub certificate list into EFI_SIGNATURE_LIST type.\r | |
537 | // First, We have to parse out public key data from the pbk key file.\r | |
20333c6d | 538 | //\r |
ecc722ad | 539 | Status = ReadFileContent (\r |
540 | Private->FileContext->FHandle,\r | |
c411b485 | 541 | (VOID **)&KeyBlob,\r |
ecc722ad | 542 | &KeyBlobSize,\r |
543 | 0\r | |
544 | );\r | |
545 | if (EFI_ERROR (Status)) {\r | |
546 | goto ON_EXIT;\r | |
547 | }\r | |
c411b485 | 548 | \r |
ba57d4fd | 549 | ASSERT (KeyBlob != NULL);\r |
c411b485 | 550 | KeyInfo = (CPL_KEY_INFO *)KeyBlob;\r |
ecc722ad | 551 | if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {\r |
552 | DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));\r | |
553 | Status = EFI_UNSUPPORTED;\r | |
554 | goto ON_EXIT;\r | |
555 | }\r | |
20333c6d | 556 | \r |
ecc722ad | 557 | //\r |
558 | // Convert the Public key to fix octet string format represented in RSA PKCS#1.\r | |
20333c6d | 559 | //\r |
ecc722ad | 560 | KeyLenInBytes = KeyInfo->KeyLengthInBits / 8;\r |
c411b485 | 561 | KeyBuffer = AllocateZeroPool (KeyLenInBytes);\r |
ecc722ad | 562 | if (KeyBuffer == NULL) {\r |
563 | Status = EFI_OUT_OF_RESOURCES;\r | |
564 | goto ON_EXIT;\r | |
565 | }\r | |
c411b485 | 566 | \r |
ecc722ad | 567 | Int2OctStr (\r |
c411b485 | 568 | (UINTN *)(KeyBlob + sizeof (CPL_KEY_INFO)),\r |
20333c6d QL |
569 | KeyLenInBytes / sizeof (UINTN),\r |
570 | KeyBuffer,\r | |
ecc722ad | 571 | KeyLenInBytes\r |
572 | );\r | |
c411b485 | 573 | CopyMem (KeyBlob + sizeof (CPL_KEY_INFO), KeyBuffer, KeyLenInBytes);\r |
20333c6d | 574 | \r |
ecc722ad | 575 | //\r |
576 | // Form an new EFI_SIGNATURE_LIST.\r | |
577 | //\r | |
c411b485 MK |
578 | KekSigListSize = sizeof (EFI_SIGNATURE_LIST)\r |
579 | + sizeof (EFI_SIGNATURE_DATA) - 1\r | |
580 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
ecc722ad | 581 | \r |
c411b485 | 582 | KekSigList = (EFI_SIGNATURE_LIST *)AllocateZeroPool (KekSigListSize);\r |
ecc722ad | 583 | if (KekSigList == NULL) {\r |
584 | Status = EFI_OUT_OF_RESOURCES;\r | |
585 | goto ON_EXIT;\r | |
586 | }\r | |
587 | \r | |
c411b485 MK |
588 | KekSigList->SignatureListSize = sizeof (EFI_SIGNATURE_LIST)\r |
589 | + sizeof (EFI_SIGNATURE_DATA) - 1\r | |
ecc722ad | 590 | + WIN_CERT_UEFI_RSA2048_SIZE;\r |
591 | KekSigList->SignatureHeaderSize = 0;\r | |
c411b485 | 592 | KekSigList->SignatureSize = sizeof (EFI_SIGNATURE_DATA) - 1 + WIN_CERT_UEFI_RSA2048_SIZE;\r |
ecc722ad | 593 | CopyGuid (&KekSigList->SignatureType, &gEfiCertRsa2048Guid);\r |
20333c6d | 594 | \r |
c411b485 | 595 | KEKSigData = (EFI_SIGNATURE_DATA *)((UINT8 *)KekSigList + sizeof (EFI_SIGNATURE_LIST));\r |
ecc722ad | 596 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r |
597 | CopyMem (\r | |
598 | KEKSigData->SignatureData,\r | |
c411b485 | 599 | KeyBlob + sizeof (CPL_KEY_INFO),\r |
ecc722ad | 600 | WIN_CERT_UEFI_RSA2048_SIZE\r |
601 | );\r | |
20333c6d | 602 | \r |
ecc722ad | 603 | //\r |
20333c6d QL |
604 | // Check if KEK entry has been already existed.\r |
605 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 606 | // new KEK to original variable.\r |
20333c6d QL |
607 | //\r |
608 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 609 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
c411b485 | 610 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8 **)&KekSigList);\r |
8c1babfd | 611 | if (EFI_ERROR (Status)) {\r |
e905fbb0 | 612 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 613 | goto ON_EXIT;\r |
614 | }\r | |
615 | \r | |
c411b485 | 616 | Status = gRT->GetVariable (\r |
20333c6d QL |
617 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
618 | &gEfiGlobalVariableGuid,\r | |
619 | NULL,\r | |
620 | &DataSize,\r | |
ecc722ad | 621 | NULL\r |
622 | );\r | |
623 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
624 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
625 | } else if (Status != EFI_NOT_FOUND) {\r | |
626 | goto ON_EXIT;\r | |
627 | }\r | |
20333c6d | 628 | \r |
ecc722ad | 629 | //\r |
630 | // Done. Now we have formed the correct KEKpub database item, just set it into variable storage,\r | |
20333c6d | 631 | //\r |
c411b485 | 632 | Status = gRT->SetVariable (\r |
20333c6d QL |
633 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
634 | &gEfiGlobalVariableGuid,\r | |
635 | Attr,\r | |
636 | KekSigListSize,\r | |
ecc722ad | 637 | KekSigList\r |
638 | );\r | |
639 | if (EFI_ERROR (Status)) {\r | |
640 | goto ON_EXIT;\r | |
641 | }\r | |
20333c6d | 642 | \r |
ecc722ad | 643 | ON_EXIT:\r |
644 | \r | |
c411b485 | 645 | CloseEnrolledFile (Private->FileContext);\r |
ecc722ad | 646 | \r |
647 | if (Private->SignatureGUID != NULL) {\r | |
648 | FreePool (Private->SignatureGUID);\r | |
649 | Private->SignatureGUID = NULL;\r | |
650 | }\r | |
651 | \r | |
652 | if (KeyBlob != NULL) {\r | |
653 | FreePool (KeyBlob);\r | |
654 | }\r | |
c411b485 | 655 | \r |
ecc722ad | 656 | if (KeyBuffer != NULL) {\r |
657 | FreePool (KeyBuffer);\r | |
658 | }\r | |
c411b485 | 659 | \r |
ecc722ad | 660 | if (KekSigList != NULL) {\r |
661 | FreePool (KekSigList);\r | |
662 | }\r | |
20333c6d | 663 | \r |
ecc722ad | 664 | return Status;\r |
665 | }\r | |
666 | \r | |
667 | /**\r | |
668 | Enroll a new KEK item from X509 certificate file.\r | |
669 | \r | |
670 | @param[in] PrivateData The module's private data.\r | |
671 | \r | |
672 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
673 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
674 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
675 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
676 | \r | |
677 | **/\r | |
678 | EFI_STATUS\r | |
679 | EnrollX509ToKek (\r | |
c411b485 | 680 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r |
20333c6d | 681 | )\r |
ecc722ad | 682 | {\r |
c411b485 MK |
683 | EFI_STATUS Status;\r |
684 | UINTN X509DataSize;\r | |
685 | VOID *X509Data;\r | |
686 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
687 | EFI_SIGNATURE_LIST *KekSigList;\r | |
688 | UINTN DataSize;\r | |
689 | UINTN KekSigListSize;\r | |
690 | UINT32 Attr;\r | |
ecc722ad | 691 | \r |
692 | X509Data = NULL;\r | |
693 | X509DataSize = 0;\r | |
694 | KekSigList = NULL;\r | |
695 | KekSigListSize = 0;\r | |
696 | DataSize = 0;\r | |
697 | KEKSigData = NULL;\r | |
698 | \r | |
699 | Status = ReadFileContent (\r | |
700 | Private->FileContext->FHandle,\r | |
701 | &X509Data,\r | |
702 | &X509DataSize,\r | |
703 | 0\r | |
704 | );\r | |
705 | if (EFI_ERROR (Status)) {\r | |
706 | goto ON_EXIT;\r | |
707 | }\r | |
c411b485 | 708 | \r |
ba57d4fd | 709 | ASSERT (X509Data != NULL);\r |
ecc722ad | 710 | \r |
c411b485 MK |
711 | KekSigListSize = sizeof (EFI_SIGNATURE_LIST) + sizeof (EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r |
712 | KekSigList = (EFI_SIGNATURE_LIST *)AllocateZeroPool (KekSigListSize);\r | |
ecc722ad | 713 | if (KekSigList == NULL) {\r |
714 | Status = EFI_OUT_OF_RESOURCES;\r | |
715 | goto ON_EXIT;\r | |
716 | }\r | |
717 | \r | |
718 | //\r | |
719 | // Fill Certificate Database parameters.\r | |
20333c6d | 720 | //\r |
c411b485 | 721 | KekSigList->SignatureListSize = (UINT32)KekSigListSize;\r |
ecc722ad | 722 | KekSigList->SignatureHeaderSize = 0;\r |
c411b485 | 723 | KekSigList->SignatureSize = (UINT32)(sizeof (EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r |
ecc722ad | 724 | CopyGuid (&KekSigList->SignatureType, &gEfiCertX509Guid);\r |
725 | \r | |
c411b485 | 726 | KEKSigData = (EFI_SIGNATURE_DATA *)((UINT8 *)KekSigList + sizeof (EFI_SIGNATURE_LIST));\r |
ecc722ad | 727 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r |
728 | CopyMem (KEKSigData->SignatureData, X509Data, X509DataSize);\r | |
729 | \r | |
730 | //\r | |
20333c6d QL |
731 | // Check if KEK been already existed.\r |
732 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 733 | // new kek to original variable\r |
20333c6d QL |
734 | //\r |
735 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
c411b485 MK |
736 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
737 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8 **)&KekSigList);\r | |
8c1babfd | 738 | if (EFI_ERROR (Status)) {\r |
e905fbb0 | 739 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 740 | goto ON_EXIT;\r |
741 | }\r | |
20333c6d | 742 | \r |
c411b485 | 743 | Status = gRT->GetVariable (\r |
20333c6d QL |
744 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
745 | &gEfiGlobalVariableGuid,\r | |
746 | NULL,\r | |
747 | &DataSize,\r | |
ecc722ad | 748 | NULL\r |
749 | );\r | |
750 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
751 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
752 | } else if (Status != EFI_NOT_FOUND) {\r | |
753 | goto ON_EXIT;\r | |
20333c6d | 754 | }\r |
ecc722ad | 755 | \r |
c411b485 | 756 | Status = gRT->SetVariable (\r |
20333c6d QL |
757 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
758 | &gEfiGlobalVariableGuid,\r | |
759 | Attr,\r | |
ecc722ad | 760 | KekSigListSize,\r |
761 | KekSigList\r | |
762 | );\r | |
763 | if (EFI_ERROR (Status)) {\r | |
764 | goto ON_EXIT;\r | |
765 | }\r | |
766 | \r | |
767 | ON_EXIT:\r | |
20333c6d | 768 | \r |
c411b485 | 769 | CloseEnrolledFile (Private->FileContext);\r |
20333c6d QL |
770 | \r |
771 | if (Private->SignatureGUID != NULL) {\r | |
772 | FreePool (Private->SignatureGUID);\r | |
773 | Private->SignatureGUID = NULL;\r | |
774 | }\r | |
775 | \r | |
776 | if (KekSigList != NULL) {\r | |
777 | FreePool (KekSigList);\r | |
778 | }\r | |
779 | \r | |
780 | return Status;\r | |
781 | }\r | |
782 | \r | |
783 | /**\r | |
784 | Enroll new KEK into the System without PK's authentication.\r | |
785 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
786 | \r | |
787 | @param[in] PrivateData The module's private data.\r | |
788 | \r | |
789 | @retval EFI_SUCCESS New KEK enrolled successful.\r | |
790 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
791 | @retval others Fail to enroll KEK data.\r | |
792 | \r | |
793 | **/\r | |
794 | EFI_STATUS\r | |
795 | EnrollKeyExchangeKey (\r | |
c411b485 | 796 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r |
20333c6d QL |
797 | )\r |
798 | {\r | |
c411b485 | 799 | UINT16 *FilePostFix;\r |
20333c6d QL |
800 | EFI_STATUS Status;\r |
801 | UINTN NameLength;\r | |
802 | \r | |
4de754e1 | 803 | if ((Private->FileContext->FHandle == NULL) || (Private->FileContext->FileName == NULL) || (Private->SignatureGUID == NULL)) {\r |
20333c6d QL |
804 | return EFI_INVALID_PARAMETER;\r |
805 | }\r | |
806 | \r | |
c411b485 | 807 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
20333c6d QL |
808 | if (EFI_ERROR (Status)) {\r |
809 | return Status;\r | |
810 | }\r | |
811 | \r | |
812 | //\r | |
813 | // Parse the file's postfix. Supports DER-encoded X509 certificate,\r | |
814 | // and .pbk as RSA public key file.\r | |
815 | //\r | |
816 | NameLength = StrLen (Private->FileContext->FileName);\r | |
817 | if (NameLength <= 4) {\r | |
818 | return EFI_INVALID_PARAMETER;\r | |
819 | }\r | |
c411b485 | 820 | \r |
20333c6d | 821 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r |
c411b485 | 822 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
20333c6d | 823 | return EnrollX509ToKek (Private);\r |
c411b485 | 824 | } else if (CompareMem (FilePostFix, L".pbk", 4) == 0) {\r |
20333c6d QL |
825 | return EnrollRsa2048ToKek (Private);\r |
826 | } else {\r | |
4de754e1 ZC |
827 | //\r |
828 | // File type is wrong, simply close it\r | |
829 | //\r | |
c411b485 | 830 | CloseEnrolledFile (Private->FileContext);\r |
4de754e1 | 831 | \r |
20333c6d QL |
832 | return EFI_INVALID_PARAMETER;\r |
833 | }\r | |
834 | }\r | |
835 | \r | |
836 | /**\r | |
837 | Enroll a new X509 certificate into Signature Database (DB or DBX or DBT) without\r | |
838 | KEK's authentication.\r | |
839 | \r | |
840 | @param[in] PrivateData The module's private data.\r | |
841 | @param[in] VariableName Variable name of signature database, must be\r | |
842 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
843 | \r | |
844 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
845 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
846 | \r | |
847 | **/\r | |
848 | EFI_STATUS\r | |
849 | EnrollX509toSigDB (\r | |
c411b485 MK |
850 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
851 | IN CHAR16 *VariableName\r | |
20333c6d QL |
852 | )\r |
853 | {\r | |
c411b485 MK |
854 | EFI_STATUS Status;\r |
855 | UINTN X509DataSize;\r | |
856 | VOID *X509Data;\r | |
857 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
858 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
859 | VOID *Data;\r | |
860 | UINTN DataSize;\r | |
861 | UINTN SigDBSize;\r | |
862 | UINT32 Attr;\r | |
20333c6d QL |
863 | \r |
864 | X509DataSize = 0;\r | |
865 | SigDBSize = 0;\r | |
866 | DataSize = 0;\r | |
867 | X509Data = NULL;\r | |
868 | SigDBCert = NULL;\r | |
869 | SigDBCertData = NULL;\r | |
870 | Data = NULL;\r | |
871 | \r | |
872 | Status = ReadFileContent (\r | |
873 | Private->FileContext->FHandle,\r | |
874 | &X509Data,\r | |
875 | &X509DataSize,\r | |
876 | 0\r | |
877 | );\r | |
878 | if (EFI_ERROR (Status)) {\r | |
879 | goto ON_EXIT;\r | |
880 | }\r | |
c411b485 | 881 | \r |
20333c6d QL |
882 | ASSERT (X509Data != NULL);\r |
883 | \r | |
c411b485 | 884 | SigDBSize = sizeof (EFI_SIGNATURE_LIST) + sizeof (EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r |
20333c6d QL |
885 | \r |
886 | Data = AllocateZeroPool (SigDBSize);\r | |
887 | if (Data == NULL) {\r | |
888 | Status = EFI_OUT_OF_RESOURCES;\r | |
889 | goto ON_EXIT;\r | |
890 | }\r | |
891 | \r | |
892 | //\r | |
893 | // Fill Certificate Database parameters.\r | |
894 | //\r | |
c411b485 MK |
895 | SigDBCert = (EFI_SIGNATURE_LIST *)Data;\r |
896 | SigDBCert->SignatureListSize = (UINT32)SigDBSize;\r | |
20333c6d | 897 | SigDBCert->SignatureHeaderSize = 0;\r |
c411b485 | 898 | SigDBCert->SignatureSize = (UINT32)(sizeof (EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r |
20333c6d QL |
899 | CopyGuid (&SigDBCert->SignatureType, &gEfiCertX509Guid);\r |
900 | \r | |
c411b485 | 901 | SigDBCertData = (EFI_SIGNATURE_DATA *)((UINT8 *)SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r |
20333c6d | 902 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r |
c411b485 | 903 | CopyMem ((UINT8 *)(SigDBCertData->SignatureData), X509Data, X509DataSize);\r |
20333c6d QL |
904 | \r |
905 | //\r | |
906 | // Check if signature database entry has been already existed.\r | |
907 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
908 | // new signature data to original variable\r | |
909 | //\r | |
910 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
c411b485 MK |
911 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
912 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8 **)&Data);\r | |
20333c6d | 913 | if (EFI_ERROR (Status)) {\r |
e905fbb0 | 914 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
20333c6d QL |
915 | goto ON_EXIT;\r |
916 | }\r | |
917 | \r | |
c411b485 | 918 | Status = gRT->GetVariable (\r |
20333c6d QL |
919 | VariableName,\r |
920 | &gEfiImageSecurityDatabaseGuid,\r | |
921 | NULL,\r | |
922 | &DataSize,\r | |
923 | NULL\r | |
924 | );\r | |
925 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
926 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
927 | } else if (Status != EFI_NOT_FOUND) {\r | |
928 | goto ON_EXIT;\r | |
929 | }\r | |
930 | \r | |
c411b485 | 931 | Status = gRT->SetVariable (\r |
20333c6d QL |
932 | VariableName,\r |
933 | &gEfiImageSecurityDatabaseGuid,\r | |
934 | Attr,\r | |
935 | SigDBSize,\r | |
936 | Data\r | |
937 | );\r | |
938 | if (EFI_ERROR (Status)) {\r | |
939 | goto ON_EXIT;\r | |
940 | }\r | |
941 | \r | |
942 | ON_EXIT:\r | |
943 | \r | |
c411b485 | 944 | CloseEnrolledFile (Private->FileContext);\r |
20333c6d QL |
945 | \r |
946 | if (Private->SignatureGUID != NULL) {\r | |
947 | FreePool (Private->SignatureGUID);\r | |
948 | Private->SignatureGUID = NULL;\r | |
949 | }\r | |
950 | \r | |
951 | if (Data != NULL) {\r | |
952 | FreePool (Data);\r | |
953 | }\r | |
954 | \r | |
955 | if (X509Data != NULL) {\r | |
956 | FreePool (X509Data);\r | |
957 | }\r | |
958 | \r | |
959 | return Status;\r | |
960 | }\r | |
961 | \r | |
962 | /**\r | |
963 | Check whether signature is in specified database.\r | |
964 | \r | |
965 | @param[in] VariableName Name of database variable that is searched in.\r | |
966 | @param[in] Signature Pointer to signature that is searched for.\r | |
967 | @param[in] SignatureSize Size of Signature.\r | |
968 | \r | |
969 | @return TRUE Found the signature in the variable database.\r | |
970 | @return FALSE Not found the signature in the variable database.\r | |
971 | \r | |
972 | **/\r | |
973 | BOOLEAN\r | |
974 | IsSignatureFoundInDatabase (\r | |
c411b485 MK |
975 | IN CHAR16 *VariableName,\r |
976 | IN UINT8 *Signature,\r | |
977 | IN UINTN SignatureSize\r | |
20333c6d QL |
978 | )\r |
979 | {\r | |
980 | EFI_STATUS Status;\r | |
981 | EFI_SIGNATURE_LIST *CertList;\r | |
982 | EFI_SIGNATURE_DATA *Cert;\r | |
983 | UINTN DataSize;\r | |
984 | UINT8 *Data;\r | |
985 | UINTN Index;\r | |
986 | UINTN CertCount;\r | |
987 | BOOLEAN IsFound;\r | |
988 | \r | |
989 | //\r | |
990 | // Read signature database variable.\r | |
991 | //\r | |
c411b485 MK |
992 | IsFound = FALSE;\r |
993 | Data = NULL;\r | |
994 | DataSize = 0;\r | |
995 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
20333c6d QL |
996 | if (Status != EFI_BUFFER_TOO_SMALL) {\r |
997 | return FALSE;\r | |
998 | }\r | |
999 | \r | |
c411b485 | 1000 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
20333c6d QL |
1001 | if (Data == NULL) {\r |
1002 | return FALSE;\r | |
1003 | }\r | |
1004 | \r | |
1005 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1006 | if (EFI_ERROR (Status)) {\r | |
1007 | goto Done;\r | |
1008 | }\r | |
1009 | \r | |
1010 | //\r | |
d6b926e7 | 1011 | // Enumerate all signature data in SigDB to check if signature exists for executable.\r |
20333c6d | 1012 | //\r |
c411b485 | 1013 | CertList = (EFI_SIGNATURE_LIST *)Data;\r |
20333c6d QL |
1014 | while ((DataSize > 0) && (DataSize >= CertList->SignatureListSize)) {\r |
1015 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
c411b485 MK |
1016 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r |
1017 | if ((CertList->SignatureSize == sizeof (EFI_SIGNATURE_DATA) - 1 + SignatureSize) && (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid))) {\r | |
20333c6d QL |
1018 | for (Index = 0; Index < CertCount; Index++) {\r |
1019 | if (CompareMem (Cert->SignatureData, Signature, SignatureSize) == 0) {\r | |
1020 | //\r | |
1021 | // Find the signature in database.\r | |
1022 | //\r | |
1023 | IsFound = TRUE;\r | |
1024 | break;\r | |
1025 | }\r | |
c411b485 MK |
1026 | \r |
1027 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)Cert + CertList->SignatureSize);\r | |
20333c6d QL |
1028 | }\r |
1029 | \r | |
1030 | if (IsFound) {\r | |
1031 | break;\r | |
1032 | }\r | |
1033 | }\r | |
1034 | \r | |
1035 | DataSize -= CertList->SignatureListSize;\r | |
c411b485 | 1036 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
20333c6d QL |
1037 | }\r |
1038 | \r | |
1039 | Done:\r | |
1040 | if (Data != NULL) {\r | |
1041 | FreePool (Data);\r | |
1042 | }\r | |
1043 | \r | |
1044 | return IsFound;\r | |
1045 | }\r | |
1046 | \r | |
1047 | /**\r | |
1048 | Calculate the hash of a certificate data with the specified hash algorithm.\r | |
1049 | \r | |
1050 | @param[in] CertData The certificate data to be hashed.\r | |
1051 | @param[in] CertSize The certificate size in bytes.\r | |
1052 | @param[in] HashAlg The specified hash algorithm.\r | |
1053 | @param[out] CertHash The output digest of the certificate\r | |
1054 | \r | |
1055 | @retval TRUE Successfully got the hash of the CertData.\r | |
1056 | @retval FALSE Failed to get the hash of CertData.\r | |
1057 | \r | |
1058 | **/\r | |
1059 | BOOLEAN\r | |
1060 | CalculateCertHash (\r | |
c411b485 MK |
1061 | IN UINT8 *CertData,\r |
1062 | IN UINTN CertSize,\r | |
1063 | IN UINT32 HashAlg,\r | |
1064 | OUT UINT8 *CertHash\r | |
20333c6d QL |
1065 | )\r |
1066 | {\r | |
c411b485 MK |
1067 | BOOLEAN Status;\r |
1068 | VOID *HashCtx;\r | |
1069 | UINTN CtxSize;\r | |
1070 | UINT8 *TBSCert;\r | |
1071 | UINTN TBSCertSize;\r | |
20333c6d QL |
1072 | \r |
1073 | HashCtx = NULL;\r | |
1074 | Status = FALSE;\r | |
1075 | \r | |
1076 | if (HashAlg >= HASHALG_MAX) {\r | |
1077 | return FALSE;\r | |
1078 | }\r | |
1079 | \r | |
12d95665 LQ |
1080 | //\r |
1081 | // Retrieve the TBSCertificate for Hash Calculation.\r | |
1082 | //\r | |
1083 | if (!X509GetTBSCert (CertData, CertSize, &TBSCert, &TBSCertSize)) {\r | |
1084 | return FALSE;\r | |
1085 | }\r | |
1086 | \r | |
20333c6d QL |
1087 | //\r |
1088 | // 1. Initialize context of hash.\r | |
1089 | //\r | |
1090 | CtxSize = mHash[HashAlg].GetContextSize ();\r | |
1091 | HashCtx = AllocatePool (CtxSize);\r | |
1092 | ASSERT (HashCtx != NULL);\r | |
1093 | \r | |
1094 | //\r | |
1095 | // 2. Initialize a hash context.\r | |
1096 | //\r | |
1097 | Status = mHash[HashAlg].HashInit (HashCtx);\r | |
1098 | if (!Status) {\r | |
1099 | goto Done;\r | |
1100 | }\r | |
1101 | \r | |
1102 | //\r | |
1103 | // 3. Calculate the hash.\r | |
1104 | //\r | |
c411b485 | 1105 | Status = mHash[HashAlg].HashUpdate (HashCtx, TBSCert, TBSCertSize);\r |
20333c6d QL |
1106 | if (!Status) {\r |
1107 | goto Done;\r | |
1108 | }\r | |
1109 | \r | |
1110 | //\r | |
1111 | // 4. Get the hash result.\r | |
1112 | //\r | |
1113 | ZeroMem (CertHash, mHash[HashAlg].DigestLength);\r | |
c411b485 | 1114 | Status = mHash[HashAlg].HashFinal (HashCtx, CertHash);\r |
20333c6d QL |
1115 | \r |
1116 | Done:\r | |
1117 | if (HashCtx != NULL) {\r | |
1118 | FreePool (HashCtx);\r | |
1119 | }\r | |
1120 | \r | |
1121 | return Status;\r | |
1122 | }\r | |
1123 | \r | |
1124 | /**\r | |
1125 | Check whether the hash of an X.509 certificate is in forbidden database (DBX).\r | |
1126 | \r | |
1127 | @param[in] Certificate Pointer to X.509 Certificate that is searched for.\r | |
1128 | @param[in] CertSize Size of X.509 Certificate.\r | |
1129 | \r | |
1130 | @return TRUE Found the certificate hash in the forbidden database.\r | |
1131 | @return FALSE Certificate hash is Not found in the forbidden database.\r | |
1132 | \r | |
1133 | **/\r | |
1134 | BOOLEAN\r | |
1135 | IsCertHashFoundInDbx (\r | |
c411b485 MK |
1136 | IN UINT8 *Certificate,\r |
1137 | IN UINTN CertSize\r | |
20333c6d QL |
1138 | )\r |
1139 | {\r | |
c411b485 MK |
1140 | BOOLEAN IsFound;\r |
1141 | EFI_STATUS Status;\r | |
1142 | EFI_SIGNATURE_LIST *DbxList;\r | |
1143 | EFI_SIGNATURE_DATA *CertHash;\r | |
1144 | UINTN CertHashCount;\r | |
1145 | UINTN Index;\r | |
1146 | UINT32 HashAlg;\r | |
1147 | UINT8 CertDigest[MAX_DIGEST_SIZE];\r | |
1148 | UINT8 *DbxCertHash;\r | |
1149 | UINTN SiglistHeaderSize;\r | |
1150 | UINT8 *Data;\r | |
1151 | UINTN DataSize;\r | |
20333c6d | 1152 | \r |
c411b485 MK |
1153 | IsFound = FALSE;\r |
1154 | HashAlg = HASHALG_MAX;\r | |
1155 | Data = NULL;\r | |
20333c6d QL |
1156 | \r |
1157 | //\r | |
1158 | // Read signature database variable.\r | |
1159 | //\r | |
c411b485 MK |
1160 | DataSize = 0;\r |
1161 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
20333c6d QL |
1162 | if (Status != EFI_BUFFER_TOO_SMALL) {\r |
1163 | return FALSE;\r | |
1164 | }\r | |
1165 | \r | |
c411b485 | 1166 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
20333c6d QL |
1167 | if (Data == NULL) {\r |
1168 | return FALSE;\r | |
1169 | }\r | |
1170 | \r | |
1171 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1172 | if (EFI_ERROR (Status)) {\r | |
1173 | goto Done;\r | |
1174 | }\r | |
1175 | \r | |
1176 | //\r | |
1177 | // Check whether the certificate hash exists in the forbidden database.\r | |
1178 | //\r | |
c411b485 | 1179 | DbxList = (EFI_SIGNATURE_LIST *)Data;\r |
20333c6d QL |
1180 | while ((DataSize > 0) && (DataSize >= DbxList->SignatureListSize)) {\r |
1181 | //\r | |
1182 | // Determine Hash Algorithm of Certificate in the forbidden database.\r | |
1183 | //\r | |
1184 | if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
1185 | HashAlg = HASHALG_SHA256;\r | |
1186 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
1187 | HashAlg = HASHALG_SHA384;\r | |
1188 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
1189 | HashAlg = HASHALG_SHA512;\r | |
1190 | } else {\r | |
1191 | DataSize -= DbxList->SignatureListSize;\r | |
c411b485 | 1192 | DbxList = (EFI_SIGNATURE_LIST *)((UINT8 *)DbxList + DbxList->SignatureListSize);\r |
20333c6d QL |
1193 | continue;\r |
1194 | }\r | |
1195 | \r | |
1196 | //\r | |
1197 | // Calculate the hash value of current db certificate for comparision.\r | |
1198 | //\r | |
1199 | if (!CalculateCertHash (Certificate, CertSize, HashAlg, CertDigest)) {\r | |
1200 | goto Done;\r | |
1201 | }\r | |
1202 | \r | |
1203 | SiglistHeaderSize = sizeof (EFI_SIGNATURE_LIST) + DbxList->SignatureHeaderSize;\r | |
c411b485 | 1204 | CertHash = (EFI_SIGNATURE_DATA *)((UINT8 *)DbxList + SiglistHeaderSize);\r |
20333c6d QL |
1205 | CertHashCount = (DbxList->SignatureListSize - SiglistHeaderSize) / DbxList->SignatureSize;\r |
1206 | for (Index = 0; Index < CertHashCount; Index++) {\r | |
1207 | //\r | |
1208 | // Iterate each Signature Data Node within this CertList for verify.\r | |
1209 | //\r | |
1210 | DbxCertHash = CertHash->SignatureData;\r | |
1211 | if (CompareMem (DbxCertHash, CertDigest, mHash[HashAlg].DigestLength) == 0) {\r | |
1212 | //\r | |
1213 | // Hash of Certificate is found in forbidden database.\r | |
1214 | //\r | |
1215 | IsFound = TRUE;\r | |
1216 | goto Done;\r | |
1217 | }\r | |
c411b485 MK |
1218 | \r |
1219 | CertHash = (EFI_SIGNATURE_DATA *)((UINT8 *)CertHash + DbxList->SignatureSize);\r | |
20333c6d QL |
1220 | }\r |
1221 | \r | |
1222 | DataSize -= DbxList->SignatureListSize;\r | |
c411b485 | 1223 | DbxList = (EFI_SIGNATURE_LIST *)((UINT8 *)DbxList + DbxList->SignatureListSize);\r |
20333c6d QL |
1224 | }\r |
1225 | \r | |
1226 | Done:\r | |
1227 | if (Data != NULL) {\r | |
1228 | FreePool (Data);\r | |
1229 | }\r | |
1230 | \r | |
1231 | return IsFound;\r | |
1232 | }\r | |
1233 | \r | |
1234 | /**\r | |
1235 | Check whether the signature list exists in given variable data.\r | |
1236 | \r | |
d6b926e7 | 1237 | It searches the signature list for the certificate hash by CertType.\r |
20333c6d QL |
1238 | If the signature list is found, get the offset of Database for the\r |
1239 | next hash of a certificate.\r | |
1240 | \r | |
1241 | @param[in] Database Variable data to save signature list.\r | |
1242 | @param[in] DatabaseSize Variable size.\r | |
1243 | @param[in] SignatureType The type of the signature.\r | |
1244 | @param[out] Offset The offset to save a new hash of certificate.\r | |
1245 | \r | |
1246 | @return TRUE The signature list is found in the forbidden database.\r | |
1247 | @return FALSE The signature list is not found in the forbidden database.\r | |
1248 | **/\r | |
1249 | BOOLEAN\r | |
1250 | GetSignaturelistOffset (\r | |
1251 | IN EFI_SIGNATURE_LIST *Database,\r | |
1252 | IN UINTN DatabaseSize,\r | |
1253 | IN EFI_GUID *SignatureType,\r | |
1254 | OUT UINTN *Offset\r | |
1255 | )\r | |
1256 | {\r | |
c411b485 MK |
1257 | EFI_SIGNATURE_LIST *SigList;\r |
1258 | UINTN SiglistSize;\r | |
20333c6d QL |
1259 | \r |
1260 | if ((Database == NULL) || (DatabaseSize == 0)) {\r | |
1261 | *Offset = 0;\r | |
1262 | return FALSE;\r | |
1263 | }\r | |
1264 | \r | |
1265 | SigList = Database;\r | |
1266 | SiglistSize = DatabaseSize;\r | |
1267 | while ((SiglistSize > 0) && (SiglistSize >= SigList->SignatureListSize)) {\r | |
1268 | if (CompareGuid (&SigList->SignatureType, SignatureType)) {\r | |
1269 | *Offset = DatabaseSize - SiglistSize;\r | |
1270 | return TRUE;\r | |
1271 | }\r | |
c411b485 | 1272 | \r |
20333c6d | 1273 | SiglistSize -= SigList->SignatureListSize;\r |
c411b485 | 1274 | SigList = (EFI_SIGNATURE_LIST *)((UINT8 *)SigList + SigList->SignatureListSize);\r |
20333c6d | 1275 | }\r |
c411b485 | 1276 | \r |
20333c6d QL |
1277 | *Offset = 0;\r |
1278 | return FALSE;\r | |
1279 | }\r | |
1280 | \r | |
1281 | /**\r | |
1282 | Enroll a new X509 certificate hash into Signature Database (dbx) without\r | |
1283 | KEK's authentication.\r | |
1284 | \r | |
1285 | @param[in] PrivateData The module's private data.\r | |
1286 | @param[in] HashAlg The hash algorithm to enroll the certificate.\r | |
1287 | @param[in] RevocationDate The revocation date of the certificate.\r | |
1288 | @param[in] RevocationTime The revocation time of the certificate.\r | |
1289 | @param[in] AlwaysRevocation Indicate whether the certificate is always revoked.\r | |
1290 | \r | |
1291 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
1292 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1293 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1294 | \r | |
1295 | **/\r | |
1296 | EFI_STATUS\r | |
1297 | EnrollX509HashtoSigDB (\r | |
c411b485 MK |
1298 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1299 | IN UINT32 HashAlg,\r | |
1300 | IN EFI_HII_DATE *RevocationDate,\r | |
1301 | IN EFI_HII_TIME *RevocationTime,\r | |
1302 | IN BOOLEAN AlwaysRevocation\r | |
20333c6d QL |
1303 | )\r |
1304 | {\r | |
1305 | EFI_STATUS Status;\r | |
1306 | UINTN X509DataSize;\r | |
1307 | VOID *X509Data;\r | |
1308 | EFI_SIGNATURE_LIST *SignatureList;\r | |
1309 | UINTN SignatureListSize;\r | |
1310 | UINT8 *Data;\r | |
1311 | UINT8 *NewData;\r | |
1312 | UINTN DataSize;\r | |
1313 | UINTN DbSize;\r | |
1314 | UINT32 Attr;\r | |
1315 | EFI_SIGNATURE_DATA *SignatureData;\r | |
1316 | UINTN SignatureSize;\r | |
1317 | EFI_GUID SignatureType;\r | |
1318 | UINTN Offset;\r | |
1319 | UINT8 CertHash[MAX_DIGEST_SIZE];\r | |
c411b485 | 1320 | UINT16 *FilePostFix;\r |
20333c6d QL |
1321 | UINTN NameLength;\r |
1322 | EFI_TIME *Time;\r | |
1323 | \r | |
1324 | X509DataSize = 0;\r | |
1325 | DbSize = 0;\r | |
1326 | X509Data = NULL;\r | |
1327 | SignatureData = NULL;\r | |
1328 | SignatureList = NULL;\r | |
1329 | Data = NULL;\r | |
1330 | NewData = NULL;\r | |
1331 | \r | |
1332 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
1333 | return EFI_INVALID_PARAMETER;\r | |
1334 | }\r | |
1335 | \r | |
1336 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
1337 | if (EFI_ERROR (Status)) {\r | |
1338 | return Status;\r | |
1339 | }\r | |
1340 | \r | |
1341 | //\r | |
1342 | // Parse the file's postfix.\r | |
1343 | //\r | |
1344 | NameLength = StrLen (Private->FileContext->FileName);\r | |
1345 | if (NameLength <= 4) {\r | |
1346 | return EFI_INVALID_PARAMETER;\r | |
1347 | }\r | |
c411b485 | 1348 | \r |
20333c6d | 1349 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r |
c411b485 | 1350 | if (!IsDerEncodeCertificate (FilePostFix)) {\r |
20333c6d QL |
1351 | //\r |
1352 | // Only supports DER-encoded X509 certificate.\r | |
1353 | //\r | |
1354 | return EFI_INVALID_PARAMETER;\r | |
1355 | }\r | |
1356 | \r | |
1357 | //\r | |
1358 | // Get the certificate from file and calculate its hash.\r | |
1359 | //\r | |
1360 | Status = ReadFileContent (\r | |
1361 | Private->FileContext->FHandle,\r | |
1362 | &X509Data,\r | |
1363 | &X509DataSize,\r | |
1364 | 0\r | |
1365 | );\r | |
1366 | if (EFI_ERROR (Status)) {\r | |
1367 | goto ON_EXIT;\r | |
1368 | }\r | |
c411b485 | 1369 | \r |
20333c6d QL |
1370 | ASSERT (X509Data != NULL);\r |
1371 | \r | |
1372 | if (!CalculateCertHash (X509Data, X509DataSize, HashAlg, CertHash)) {\r | |
1373 | goto ON_EXIT;\r | |
1374 | }\r | |
1375 | \r | |
1376 | //\r | |
1377 | // Get the variable for enrollment.\r | |
1378 | //\r | |
1379 | DataSize = 0;\r | |
1380 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1381 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
c411b485 | 1382 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
20333c6d QL |
1383 | if (Data == NULL) {\r |
1384 | return EFI_OUT_OF_RESOURCES;\r | |
1385 | }\r | |
1386 | \r | |
1387 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1388 | if (EFI_ERROR (Status)) {\r | |
1389 | goto ON_EXIT;\r | |
1390 | }\r | |
1391 | }\r | |
1392 | \r | |
1393 | //\r | |
1394 | // Allocate memory for Signature and fill the Signature\r | |
1395 | //\r | |
c411b485 MK |
1396 | SignatureSize = sizeof (EFI_SIGNATURE_DATA) - 1 + sizeof (EFI_TIME) + mHash[HashAlg].DigestLength;\r |
1397 | SignatureData = (EFI_SIGNATURE_DATA *)AllocateZeroPool (SignatureSize);\r | |
20333c6d QL |
1398 | if (SignatureData == NULL) {\r |
1399 | return EFI_OUT_OF_RESOURCES;\r | |
1400 | }\r | |
c411b485 | 1401 | \r |
20333c6d QL |
1402 | CopyGuid (&SignatureData->SignatureOwner, Private->SignatureGUID);\r |
1403 | CopyMem (SignatureData->SignatureData, CertHash, mHash[HashAlg].DigestLength);\r | |
1404 | \r | |
1405 | //\r | |
1406 | // Fill the time.\r | |
1407 | //\r | |
1408 | if (!AlwaysRevocation) {\r | |
c411b485 | 1409 | Time = (EFI_TIME *)(&SignatureData->SignatureData + mHash[HashAlg].DigestLength);\r |
20333c6d QL |
1410 | Time->Year = RevocationDate->Year;\r |
1411 | Time->Month = RevocationDate->Month;\r | |
1412 | Time->Day = RevocationDate->Day;\r | |
1413 | Time->Hour = RevocationTime->Hour;\r | |
1414 | Time->Minute = RevocationTime->Minute;\r | |
1415 | Time->Second = RevocationTime->Second;\r | |
1416 | }\r | |
1417 | \r | |
1418 | //\r | |
1419 | // Determine the GUID for certificate hash.\r | |
1420 | //\r | |
1421 | switch (HashAlg) {\r | |
c411b485 MK |
1422 | case HASHALG_SHA256:\r |
1423 | SignatureType = gEfiCertX509Sha256Guid;\r | |
1424 | break;\r | |
1425 | case HASHALG_SHA384:\r | |
1426 | SignatureType = gEfiCertX509Sha384Guid;\r | |
1427 | break;\r | |
1428 | case HASHALG_SHA512:\r | |
1429 | SignatureType = gEfiCertX509Sha512Guid;\r | |
1430 | break;\r | |
1431 | default:\r | |
1432 | return FALSE;\r | |
20333c6d QL |
1433 | }\r |
1434 | \r | |
1435 | //\r | |
1436 | // Add signature into the new variable data buffer\r | |
1437 | //\r | |
c411b485 | 1438 | if (GetSignaturelistOffset ((EFI_SIGNATURE_LIST *)Data, DataSize, &SignatureType, &Offset)) {\r |
20333c6d QL |
1439 | //\r |
1440 | // Add the signature to the found signaturelist.\r | |
1441 | //\r | |
1442 | DbSize = DataSize + SignatureSize;\r | |
1443 | NewData = AllocateZeroPool (DbSize);\r | |
1444 | if (NewData == NULL) {\r | |
1445 | Status = EFI_OUT_OF_RESOURCES;\r | |
1446 | goto ON_EXIT;\r | |
1447 | }\r | |
1448 | \r | |
1449 | SignatureList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
c411b485 | 1450 | SignatureListSize = (UINTN)ReadUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize);\r |
20333c6d QL |
1451 | CopyMem (NewData, Data, Offset + SignatureListSize);\r |
1452 | \r | |
1453 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + Offset);\r | |
c411b485 | 1454 | WriteUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize, (UINT32)(SignatureListSize + SignatureSize));\r |
20333c6d QL |
1455 | \r |
1456 | Offset += SignatureListSize;\r | |
1457 | CopyMem (NewData + Offset, SignatureData, SignatureSize);\r | |
1458 | CopyMem (NewData + Offset + SignatureSize, Data + Offset, DataSize - Offset);\r | |
1459 | \r | |
1460 | FreePool (Data);\r | |
1461 | Data = NewData;\r | |
1462 | DataSize = DbSize;\r | |
1463 | } else {\r | |
1464 | //\r | |
1465 | // Create a new signaturelist, and add the signature into the signaturelist.\r | |
1466 | //\r | |
c411b485 | 1467 | DbSize = DataSize + sizeof (EFI_SIGNATURE_LIST) + SignatureSize;\r |
20333c6d QL |
1468 | NewData = AllocateZeroPool (DbSize);\r |
1469 | if (NewData == NULL) {\r | |
1470 | Status = EFI_OUT_OF_RESOURCES;\r | |
1471 | goto ON_EXIT;\r | |
1472 | }\r | |
c411b485 | 1473 | \r |
20333c6d QL |
1474 | //\r |
1475 | // Fill Certificate Database parameters.\r | |
1476 | //\r | |
c411b485 MK |
1477 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + DataSize);\r |
1478 | SignatureListSize = sizeof (EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1479 | WriteUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize, (UINT32)SignatureListSize);\r | |
1480 | WriteUnaligned32 ((UINT32 *)&SignatureList->SignatureSize, (UINT32)SignatureSize);\r | |
20333c6d | 1481 | CopyGuid (&SignatureList->SignatureType, &SignatureType);\r |
c411b485 | 1482 | CopyMem ((UINT8 *)SignatureList + sizeof (EFI_SIGNATURE_LIST), SignatureData, SignatureSize);\r |
20333c6d QL |
1483 | if ((DataSize != 0) && (Data != NULL)) {\r |
1484 | CopyMem (NewData, Data, DataSize);\r | |
1485 | FreePool (Data);\r | |
1486 | }\r | |
c411b485 | 1487 | \r |
20333c6d QL |
1488 | Data = NewData;\r |
1489 | DataSize = DbSize;\r | |
1490 | }\r | |
1491 | \r | |
c411b485 | 1492 | Status = CreateTimeBasedPayload (&DataSize, (UINT8 **)&Data);\r |
20333c6d QL |
1493 | if (EFI_ERROR (Status)) {\r |
1494 | goto ON_EXIT;\r | |
1495 | }\r | |
1496 | \r | |
1497 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
c411b485 MK |
1498 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
1499 | Status = gRT->SetVariable (\r | |
20333c6d QL |
1500 | EFI_IMAGE_SECURITY_DATABASE1,\r |
1501 | &gEfiImageSecurityDatabaseGuid,\r | |
1502 | Attr,\r | |
1503 | DataSize,\r | |
1504 | Data\r | |
1505 | );\r | |
1506 | if (EFI_ERROR (Status)) {\r | |
1507 | goto ON_EXIT;\r | |
1508 | }\r | |
1509 | \r | |
1510 | ON_EXIT:\r | |
762d8ddb | 1511 | \r |
c411b485 | 1512 | CloseEnrolledFile (Private->FileContext);\r |
ecc722ad | 1513 | \r |
1514 | if (Private->SignatureGUID != NULL) {\r | |
1515 | FreePool (Private->SignatureGUID);\r | |
1516 | Private->SignatureGUID = NULL;\r | |
1517 | }\r | |
1518 | \r | |
20333c6d QL |
1519 | if (Data != NULL) {\r |
1520 | FreePool (Data);\r | |
ecc722ad | 1521 | }\r |
1522 | \r | |
20333c6d QL |
1523 | if (SignatureData != NULL) {\r |
1524 | FreePool (SignatureData);\r | |
ecc722ad | 1525 | }\r |
1526 | \r | |
20333c6d QL |
1527 | if (X509Data != NULL) {\r |
1528 | FreePool (X509Data);\r | |
f71ed839 | 1529 | }\r |
1530 | \r | |
20333c6d | 1531 | return Status;\r |
ecc722ad | 1532 | }\r |
1533 | \r | |
1534 | /**\r | |
20333c6d | 1535 | Check whether a certificate from a file exists in dbx.\r |
ecc722ad | 1536 | \r |
1537 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
1538 | @param[in] VariableName Variable name of signature database, must be\r |
1539 | EFI_IMAGE_SECURITY_DATABASE1.\r | |
ecc722ad | 1540 | \r |
20333c6d QL |
1541 | @retval TRUE The X509 certificate is found in dbx successfully.\r |
1542 | @retval FALSE The X509 certificate is not found in dbx.\r | |
ecc722ad | 1543 | **/\r |
20333c6d QL |
1544 | BOOLEAN\r |
1545 | IsX509CertInDbx (\r | |
c411b485 MK |
1546 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1547 | IN CHAR16 *VariableName\r | |
20333c6d | 1548 | )\r |
ecc722ad | 1549 | {\r |
c411b485 MK |
1550 | EFI_STATUS Status;\r |
1551 | UINTN X509DataSize;\r | |
1552 | VOID *X509Data;\r | |
1553 | BOOLEAN IsFound;\r | |
ecc722ad | 1554 | \r |
20333c6d QL |
1555 | //\r |
1556 | // Read the certificate from file\r | |
1557 | //\r | |
c411b485 MK |
1558 | X509DataSize = 0;\r |
1559 | X509Data = NULL;\r | |
1560 | Status = ReadFileContent (\r | |
1561 | Private->FileContext->FHandle,\r | |
1562 | &X509Data,\r | |
1563 | &X509DataSize,\r | |
1564 | 0\r | |
1565 | );\r | |
ecc722ad | 1566 | if (EFI_ERROR (Status)) {\r |
20333c6d | 1567 | return FALSE;\r |
ecc722ad | 1568 | }\r |
1569 | \r | |
1570 | //\r | |
20333c6d | 1571 | // Check the raw certificate.\r |
ecc722ad | 1572 | //\r |
20333c6d QL |
1573 | IsFound = FALSE;\r |
1574 | if (IsSignatureFoundInDatabase (EFI_IMAGE_SECURITY_DATABASE1, X509Data, X509DataSize)) {\r | |
1575 | IsFound = TRUE;\r | |
8c1babfd | 1576 | goto ON_EXIT;\r |
1577 | }\r | |
ecc722ad | 1578 | \r |
20333c6d QL |
1579 | //\r |
1580 | // Check the hash of certificate.\r | |
1581 | //\r | |
1582 | if (IsCertHashFoundInDbx (X509Data, X509DataSize)) {\r | |
1583 | IsFound = TRUE;\r | |
ecc722ad | 1584 | goto ON_EXIT;\r |
1585 | }\r | |
1586 | \r | |
1587 | ON_EXIT:\r | |
ecc722ad | 1588 | if (X509Data != NULL) {\r |
1589 | FreePool (X509Data);\r | |
1590 | }\r | |
1591 | \r | |
20333c6d | 1592 | return IsFound;\r |
ecc722ad | 1593 | }\r |
1594 | \r | |
5e9dfc67 LG |
1595 | /**\r |
1596 | Reads contents of a PE/COFF image in memory buffer.\r | |
1597 | \r | |
1598 | Caution: This function may receive untrusted input.\r | |
1599 | PE/COFF image is external input, so this function will make sure the PE/COFF image content\r | |
1600 | read is within the image buffer.\r | |
1601 | \r | |
1602 | @param FileHandle Pointer to the file handle to read the PE/COFF image.\r | |
1603 | @param FileOffset Offset into the PE/COFF image to begin the read operation.\r | |
1604 | @param ReadSize On input, the size in bytes of the requested read operation.\r | |
1605 | On output, the number of bytes actually read.\r | |
1606 | @param Buffer Output buffer that contains the data read from the PE/COFF image.\r | |
1607 | \r | |
1608 | @retval EFI_SUCCESS The specified portion of the PE/COFF image was read and the size\r | |
1609 | **/\r | |
1610 | EFI_STATUS\r | |
1611 | EFIAPI\r | |
1612 | SecureBootConfigImageRead (\r | |
c411b485 MK |
1613 | IN VOID *FileHandle,\r |
1614 | IN UINTN FileOffset,\r | |
1615 | IN OUT UINTN *ReadSize,\r | |
1616 | OUT VOID *Buffer\r | |
5e9dfc67 LG |
1617 | )\r |
1618 | {\r | |
c411b485 | 1619 | UINTN EndPosition;\r |
5e9dfc67 | 1620 | \r |
c411b485 | 1621 | if ((FileHandle == NULL) || (ReadSize == NULL) || (Buffer == NULL)) {\r |
5e9dfc67 LG |
1622 | return EFI_INVALID_PARAMETER;\r |
1623 | }\r | |
1624 | \r | |
1625 | if (MAX_ADDRESS - FileOffset < *ReadSize) {\r | |
1626 | return EFI_INVALID_PARAMETER;\r | |
1627 | }\r | |
1628 | \r | |
1629 | EndPosition = FileOffset + *ReadSize;\r | |
1630 | if (EndPosition > mImageSize) {\r | |
1631 | *ReadSize = (UINT32)(mImageSize - FileOffset);\r | |
1632 | }\r | |
1633 | \r | |
1634 | if (FileOffset >= mImageSize) {\r | |
1635 | *ReadSize = 0;\r | |
1636 | }\r | |
1637 | \r | |
c411b485 | 1638 | CopyMem (Buffer, (UINT8 *)((UINTN)FileHandle + FileOffset), *ReadSize);\r |
5e9dfc67 LG |
1639 | \r |
1640 | return EFI_SUCCESS;\r | |
1641 | }\r | |
1642 | \r | |
ecc722ad | 1643 | /**\r |
1644 | Load PE/COFF image information into internal buffer and check its validity.\r | |
1645 | \r | |
1646 | @retval EFI_SUCCESS Successful\r | |
1647 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
1648 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
1649 | \r | |
1650 | **/\r | |
1651 | EFI_STATUS\r | |
1652 | LoadPeImage (\r | |
20333c6d QL |
1653 | VOID\r |
1654 | )\r | |
ecc722ad | 1655 | {\r |
c411b485 MK |
1656 | EFI_IMAGE_DOS_HEADER *DosHdr;\r |
1657 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
1658 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
1659 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
1660 | EFI_STATUS Status;\r | |
ecc722ad | 1661 | \r |
1662 | NtHeader32 = NULL;\r | |
1663 | NtHeader64 = NULL;\r | |
5e9dfc67 LG |
1664 | \r |
1665 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
c411b485 MK |
1666 | ImageContext.Handle = (VOID *)mImageBase;\r |
1667 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE)SecureBootConfigImageRead;\r | |
5e9dfc67 LG |
1668 | \r |
1669 | //\r | |
1670 | // Get information about the image being loaded\r | |
1671 | //\r | |
1672 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r | |
1673 | if (EFI_ERROR (Status)) {\r | |
1674 | //\r | |
1675 | // The information can't be got from the invalid PeImage\r | |
1676 | //\r | |
1677 | DEBUG ((DEBUG_INFO, "SecureBootConfigDxe: PeImage invalid. \n"));\r | |
1678 | return Status;\r | |
1679 | }\r | |
1680 | \r | |
ecc722ad | 1681 | //\r |
1682 | // Read the Dos header\r | |
1683 | //\r | |
c411b485 MK |
1684 | DosHdr = (EFI_IMAGE_DOS_HEADER *)(mImageBase);\r |
1685 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r | |
ecc722ad | 1686 | //\r |
20333c6d | 1687 | // DOS image header is present,\r |
ecc722ad | 1688 | // So read the PE header after the DOS image header\r |
1689 | //\r | |
1690 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
c411b485 | 1691 | } else {\r |
ecc722ad | 1692 | mPeCoffHeaderOffset = 0;\r |
1693 | }\r | |
1694 | \r | |
1695 | //\r | |
1696 | // Read PE header and check the signature validity and machine compatibility\r | |
1697 | //\r | |
c411b485 MK |
1698 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32 *)(mImageBase + mPeCoffHeaderOffset);\r |
1699 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE) {\r | |
ecc722ad | 1700 | return EFI_UNSUPPORTED;\r |
1701 | }\r | |
1702 | \r | |
1703 | mNtHeader.Pe32 = NtHeader32;\r | |
1704 | \r | |
1705 | //\r | |
1706 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1707 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1708 | //\r | |
c411b485 MK |
1709 | if ( (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32)\r |
1710 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)\r | |
1711 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED))\r | |
1712 | {\r | |
ecc722ad | 1713 | //\r |
a16170a1 | 1714 | // 32-bits Architecture\r |
ecc722ad | 1715 | //\r |
c411b485 MK |
1716 | mImageType = ImageType_IA32;\r |
1717 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY *)&(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1718 | } else if ( (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
1719 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)\r | |
1720 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_AARCH64))\r | |
1721 | {\r | |
ecc722ad | 1722 | //\r |
1723 | // 64-bits Architecture\r | |
1724 | //\r | |
c411b485 MK |
1725 | mImageType = ImageType_X64;\r |
1726 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *)(mImageBase + mPeCoffHeaderOffset);\r | |
1727 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY *)&(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
ecc722ad | 1728 | } else {\r |
1729 | return EFI_UNSUPPORTED;\r | |
1730 | }\r | |
1731 | \r | |
1732 | return EFI_SUCCESS;\r | |
1733 | }\r | |
1734 | \r | |
1735 | /**\r | |
1736 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1737 | PE/COFF Specification 8.0 Appendix A\r | |
1738 | \r | |
b3548d32 | 1739 | Notes: PE/COFF image has been checked by BasePeCoffLib PeCoffLoaderGetImageInfo() in\r |
5e9dfc67 LG |
1740 | the function LoadPeImage ().\r |
1741 | \r | |
ecc722ad | 1742 | @param[in] HashAlg Hash algorithm type.\r |
20333c6d | 1743 | \r |
ecc722ad | 1744 | @retval TRUE Successfully hash image.\r |
1745 | @retval FALSE Fail in hash image.\r | |
1746 | \r | |
1747 | **/\r | |
20333c6d | 1748 | BOOLEAN\r |
ecc722ad | 1749 | HashPeImage (\r |
c411b485 | 1750 | IN UINT32 HashAlg\r |
ecc722ad | 1751 | )\r |
1752 | {\r | |
1753 | BOOLEAN Status;\r | |
ecc722ad | 1754 | EFI_IMAGE_SECTION_HEADER *Section;\r |
1755 | VOID *HashCtx;\r | |
1756 | UINTN CtxSize;\r | |
1757 | UINT8 *HashBase;\r | |
1758 | UINTN HashSize;\r | |
1759 | UINTN SumOfBytesHashed;\r | |
1760 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1761 | UINTN Index;\r | |
1762 | UINTN Pos;\r | |
1763 | \r | |
1764 | HashCtx = NULL;\r | |
1765 | SectionHeader = NULL;\r | |
1766 | Status = FALSE;\r | |
1767 | \r | |
c035e373 | 1768 | if (HashAlg != HASHALG_SHA256) {\r |
ecc722ad | 1769 | return FALSE;\r |
1770 | }\r | |
20333c6d | 1771 | \r |
ecc722ad | 1772 | //\r |
1773 | // Initialize context of hash.\r | |
1774 | //\r | |
1775 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1776 | \r | |
c411b485 MK |
1777 | mImageDigestSize = SHA256_DIGEST_SIZE;\r |
1778 | mCertType = gEfiCertSha256Guid;\r | |
ecc722ad | 1779 | \r |
c411b485 | 1780 | CtxSize = mHash[HashAlg].GetContextSize ();\r |
20333c6d | 1781 | \r |
ecc722ad | 1782 | HashCtx = AllocatePool (CtxSize);\r |
1783 | ASSERT (HashCtx != NULL);\r | |
1784 | \r | |
1785 | // 1. Load the image header into memory.\r | |
1786 | \r | |
1787 | // 2. Initialize a SHA hash context.\r | |
c411b485 | 1788 | Status = mHash[HashAlg].HashInit (HashCtx);\r |
ecc722ad | 1789 | if (!Status) {\r |
1790 | goto Done;\r | |
1791 | }\r | |
c411b485 | 1792 | \r |
ecc722ad | 1793 | //\r |
1794 | // Measuring PE/COFF Image Header;\r | |
1795 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1796 | //\r | |
20333c6d | 1797 | \r |
ecc722ad | 1798 | //\r |
1799 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1800 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1801 | //\r | |
1802 | HashBase = mImageBase;\r | |
f199664c | 1803 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1804 | //\r |
1805 | // Use PE32 offset.\r | |
1806 | //\r | |
c411b485 | 1807 | HashSize = (UINTN)(&mNtHeader.Pe32->OptionalHeader.CheckSum) - (UINTN)HashBase;\r |
ecc722ad | 1808 | } else {\r |
1809 | //\r | |
1810 | // Use PE32+ offset.\r | |
1811 | //\r | |
c411b485 | 1812 | HashSize = (UINTN)(&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - (UINTN)HashBase;\r |
ecc722ad | 1813 | }\r |
1814 | \r | |
c411b485 | 1815 | Status = mHash[HashAlg].HashUpdate (HashCtx, HashBase, HashSize);\r |
ecc722ad | 1816 | if (!Status) {\r |
1817 | goto Done;\r | |
1818 | }\r | |
c411b485 | 1819 | \r |
ecc722ad | 1820 | //\r |
1821 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1822 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1823 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1824 | //\r | |
f199664c | 1825 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1826 | //\r |
1827 | // Use PE32 offset.\r | |
1828 | //\r | |
c411b485 MK |
1829 | HashBase = (UINT8 *)&mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r |
1830 | HashSize = (UINTN)(&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN)HashBase;\r | |
ecc722ad | 1831 | } else {\r |
1832 | //\r | |
1833 | // Use PE32+ offset.\r | |
20333c6d | 1834 | //\r |
c411b485 MK |
1835 | HashBase = (UINT8 *)&mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r |
1836 | HashSize = (UINTN)(&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN)HashBase;\r | |
ecc722ad | 1837 | }\r |
1838 | \r | |
c411b485 | 1839 | Status = mHash[HashAlg].HashUpdate (HashCtx, HashBase, HashSize);\r |
ecc722ad | 1840 | if (!Status) {\r |
1841 | goto Done;\r | |
1842 | }\r | |
c411b485 | 1843 | \r |
ecc722ad | 1844 | //\r |
1845 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
1846 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
1847 | //\r | |
f199664c | 1848 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1849 | //\r |
1850 | // Use PE32 offset\r | |
1851 | //\r | |
c411b485 MK |
1852 | HashBase = (UINT8 *)&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r |
1853 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - ((UINTN)(&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN)mImageBase);\r | |
ecc722ad | 1854 | } else {\r |
1855 | //\r | |
1856 | // Use PE32+ offset.\r | |
1857 | //\r | |
c411b485 MK |
1858 | HashBase = (UINT8 *)&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r |
1859 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - ((UINTN)(&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN)mImageBase);\r | |
ecc722ad | 1860 | }\r |
1861 | \r | |
c411b485 | 1862 | Status = mHash[HashAlg].HashUpdate (HashCtx, HashBase, HashSize);\r |
ecc722ad | 1863 | if (!Status) {\r |
1864 | goto Done;\r | |
1865 | }\r | |
c411b485 | 1866 | \r |
ecc722ad | 1867 | //\r |
1868 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
1869 | //\r | |
f199664c | 1870 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1871 | //\r |
1872 | // Use PE32 offset.\r | |
1873 | //\r | |
1874 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
1875 | } else {\r | |
1876 | //\r | |
1877 | // Use PE32+ offset\r | |
1878 | //\r | |
1879 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
1880 | }\r | |
1881 | \r | |
1882 | //\r | |
1883 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
1884 | // structures in the image. The 'NumberOfSections' field of the image\r | |
1885 | // header indicates how big the table should be. Do not include any\r | |
1886 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
1887 | //\r | |
c411b485 | 1888 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *)AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r |
ecc722ad | 1889 | ASSERT (SectionHeader != NULL);\r |
1890 | //\r | |
1891 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
1892 | // a key, arrange the elements in the table in ascending order. In other\r | |
1893 | // words, sort the section headers according to the disk-file offset of\r | |
1894 | // the section.\r | |
1895 | //\r | |
c411b485 MK |
1896 | Section = (EFI_IMAGE_SECTION_HEADER *)(\r |
1897 | mImageBase +\r | |
1898 | mPeCoffHeaderOffset +\r | |
1899 | sizeof (UINT32) +\r | |
1900 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
1901 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1902 | );\r | |
ecc722ad | 1903 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r |
1904 | Pos = Index;\r | |
1905 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
1906 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1907 | Pos--;\r | |
1908 | }\r | |
c411b485 | 1909 | \r |
ecc722ad | 1910 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r |
1911 | Section += 1;\r | |
1912 | }\r | |
1913 | \r | |
1914 | //\r | |
1915 | // 13. Walk through the sorted table, bring the corresponding section\r | |
1916 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
1917 | // field in the section header to determine the amount of data to hash).\r | |
1918 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
1919 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
1920 | //\r | |
1921 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1922 | Section = &SectionHeader[Index];\r | |
1923 | if (Section->SizeOfRawData == 0) {\r | |
1924 | continue;\r | |
1925 | }\r | |
ecc722ad | 1926 | \r |
c411b485 MK |
1927 | HashBase = mImageBase + Section->PointerToRawData;\r |
1928 | HashSize = (UINTN)Section->SizeOfRawData;\r | |
1929 | \r | |
1930 | Status = mHash[HashAlg].HashUpdate (HashCtx, HashBase, HashSize);\r | |
ecc722ad | 1931 | if (!Status) {\r |
1932 | goto Done;\r | |
1933 | }\r | |
1934 | \r | |
1935 | SumOfBytesHashed += HashSize;\r | |
1936 | }\r | |
1937 | \r | |
1938 | //\r | |
1939 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
1940 | // data in the file that needs to be added to the hash. This data begins\r | |
1941 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
1942 | // FileSize - (CertDirectory->Size)\r | |
1943 | //\r | |
1944 | if (mImageSize > SumOfBytesHashed) {\r | |
1945 | HashBase = mImageBase + SumOfBytesHashed;\r | |
f199664c | 1946 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1947 | //\r |
1948 | // Use PE32 offset.\r | |
1949 | //\r | |
1950 | HashSize = (UINTN)(\r | |
c411b485 MK |
1951 | mImageSize -\r |
1952 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
1953 | SumOfBytesHashed);\r | |
ecc722ad | 1954 | } else {\r |
1955 | //\r | |
1956 | // Use PE32+ offset.\r | |
1957 | //\r | |
1958 | HashSize = (UINTN)(\r | |
c411b485 MK |
1959 | mImageSize -\r |
1960 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
1961 | SumOfBytesHashed);\r | |
ecc722ad | 1962 | }\r |
1963 | \r | |
c411b485 | 1964 | Status = mHash[HashAlg].HashUpdate (HashCtx, HashBase, HashSize);\r |
ecc722ad | 1965 | if (!Status) {\r |
1966 | goto Done;\r | |
1967 | }\r | |
1968 | }\r | |
1969 | \r | |
c411b485 | 1970 | Status = mHash[HashAlg].HashFinal (HashCtx, mImageDigest);\r |
ecc722ad | 1971 | \r |
1972 | Done:\r | |
1973 | if (HashCtx != NULL) {\r | |
1974 | FreePool (HashCtx);\r | |
1975 | }\r | |
c411b485 | 1976 | \r |
ecc722ad | 1977 | if (SectionHeader != NULL) {\r |
1978 | FreePool (SectionHeader);\r | |
1979 | }\r | |
c411b485 | 1980 | \r |
ecc722ad | 1981 | return Status;\r |
1982 | }\r | |
1983 | \r | |
1984 | /**\r | |
69f8bb52 | 1985 | Recognize the Hash algorithm in PE/COFF Authenticode and calculate hash of\r |
20333c6d | 1986 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification\r |
ecc722ad | 1987 | 8.0 Appendix A\r |
1988 | \r | |
1989 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
1990 | @retval EFI_SUCCESS Hash successfully.\r | |
1991 | \r | |
1992 | **/\r | |
20333c6d | 1993 | EFI_STATUS\r |
ecc722ad | 1994 | HashPeImageByType (\r |
1995 | VOID\r | |
1996 | )\r | |
1997 | {\r | |
1998 | UINT8 Index;\r | |
1999 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
2000 | \r | |
c411b485 | 2001 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *)(mImageBase + mSecDataDir->Offset);\r |
ecc722ad | 2002 | \r |
20333c6d | 2003 | for (Index = 0; Index < HASHALG_MAX; Index++) {\r |
ecc722ad | 2004 | //\r |
2005 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
20333c6d | 2006 | // According to PKCS#7 Definition:\r |
ecc722ad | 2007 | // SignedData ::= SEQUENCE {\r |
2008 | // version Version,\r | |
2009 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
2010 | // contentInfo ContentInfo,\r | |
2011 | // .... }\r | |
2012 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
2013 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
2014 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
c411b485 | 2015 | //\r |
ecc722ad | 2016 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r |
2017 | //\r | |
2018 | // Only support two bytes of Long Form of Length Encoding.\r | |
2019 | //\r | |
2020 | continue;\r | |
2021 | }\r | |
2022 | \r | |
20333c6d | 2023 | //\r |
ecc722ad | 2024 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r |
2025 | break;\r | |
2026 | }\r | |
2027 | }\r | |
2028 | \r | |
2029 | if (Index == HASHALG_MAX) {\r | |
2030 | return EFI_UNSUPPORTED;\r | |
2031 | }\r | |
2032 | \r | |
2033 | //\r | |
2034 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
2035 | //\r | |
c411b485 | 2036 | if (!HashPeImage (Index)) {\r |
ecc722ad | 2037 | return EFI_UNSUPPORTED;\r |
2038 | }\r | |
2039 | \r | |
2040 | return EFI_SUCCESS;\r | |
2041 | }\r | |
2042 | \r | |
4de754e1 | 2043 | /**\r |
d6b926e7 | 2044 | Enroll a new signature of executable into Signature Database.\r |
4de754e1 ZC |
2045 | \r |
2046 | @param[in] PrivateData The module's private data.\r | |
2047 | @param[in] VariableName Variable name of signature database, must be\r | |
2048 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2049 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
2050 | \r | |
2051 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2052 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2053 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2054 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2055 | \r | |
2056 | **/\r | |
2057 | EFI_STATUS\r | |
2058 | EnrollAuthentication2Descriptor (\r | |
c411b485 MK |
2059 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
2060 | IN CHAR16 *VariableName\r | |
4de754e1 ZC |
2061 | )\r |
2062 | {\r | |
c411b485 MK |
2063 | EFI_STATUS Status;\r |
2064 | VOID *Data;\r | |
2065 | UINTN DataSize;\r | |
2066 | UINT32 Attr;\r | |
4de754e1 ZC |
2067 | \r |
2068 | Data = NULL;\r | |
2069 | \r | |
2070 | //\r | |
2071 | // DBT only support DER-X509 Cert Enrollment\r | |
2072 | //\r | |
2073 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r | |
2074 | return EFI_UNSUPPORTED;\r | |
2075 | }\r | |
2076 | \r | |
2077 | //\r | |
2078 | // Read the whole file content\r | |
2079 | //\r | |
c411b485 | 2080 | Status = ReadFileContent (\r |
4de754e1 | 2081 | Private->FileContext->FHandle,\r |
c411b485 | 2082 | (VOID **)&mImageBase,\r |
4de754e1 ZC |
2083 | &mImageSize,\r |
2084 | 0\r | |
2085 | );\r | |
2086 | if (EFI_ERROR (Status)) {\r | |
2087 | goto ON_EXIT;\r | |
2088 | }\r | |
c411b485 | 2089 | \r |
4de754e1 ZC |
2090 | ASSERT (mImageBase != NULL);\r |
2091 | \r | |
2092 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
2093 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
2094 | \r | |
2095 | //\r | |
2096 | // Check if SigDB variable has been already existed.\r | |
2097 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
2098 | // new signature data to original variable\r | |
2099 | //\r | |
2100 | DataSize = 0;\r | |
c411b485 MK |
2101 | Status = gRT->GetVariable (\r |
2102 | VariableName,\r | |
2103 | &gEfiImageSecurityDatabaseGuid,\r | |
2104 | NULL,\r | |
2105 | &DataSize,\r | |
2106 | NULL\r | |
2107 | );\r | |
4de754e1 ZC |
2108 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
2109 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2110 | } else if (Status != EFI_NOT_FOUND) {\r | |
2111 | goto ON_EXIT;\r | |
2112 | }\r | |
2113 | \r | |
2114 | //\r | |
d6b926e7 | 2115 | // Directly set AUTHENTICATION_2 data to SetVariable\r |
4de754e1 | 2116 | //\r |
c411b485 | 2117 | Status = gRT->SetVariable (\r |
4de754e1 ZC |
2118 | VariableName,\r |
2119 | &gEfiImageSecurityDatabaseGuid,\r | |
2120 | Attr,\r | |
2121 | mImageSize,\r | |
2122 | mImageBase\r | |
2123 | );\r | |
2124 | \r | |
c411b485 | 2125 | DEBUG ((DEBUG_INFO, "Enroll AUTH_2 data to Var:%s Status: %x\n", VariableName, Status));\r |
4de754e1 ZC |
2126 | \r |
2127 | ON_EXIT:\r | |
2128 | \r | |
c411b485 | 2129 | CloseEnrolledFile (Private->FileContext);\r |
4de754e1 ZC |
2130 | \r |
2131 | if (Data != NULL) {\r | |
2132 | FreePool (Data);\r | |
2133 | }\r | |
2134 | \r | |
2135 | if (mImageBase != NULL) {\r | |
2136 | FreePool (mImageBase);\r | |
2137 | mImageBase = NULL;\r | |
2138 | }\r | |
2139 | \r | |
2140 | return Status;\r | |
4de754e1 ZC |
2141 | }\r |
2142 | \r | |
ecc722ad | 2143 | /**\r |
d6b926e7 | 2144 | Enroll a new signature of executable into Signature Database.\r |
ecc722ad | 2145 | \r |
2146 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
2147 | @param[in] VariableName Variable name of signature database, must be\r |
2148 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2149 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
ecc722ad | 2150 | \r |
2151 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2152 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2153 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2154 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2155 | \r | |
2156 | **/\r | |
2157 | EFI_STATUS\r | |
2158 | EnrollImageSignatureToSigDB (\r | |
c411b485 MK |
2159 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
2160 | IN CHAR16 *VariableName\r | |
ecc722ad | 2161 | )\r |
2162 | {\r | |
c411b485 MK |
2163 | EFI_STATUS Status;\r |
2164 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
2165 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
2166 | VOID *Data;\r | |
2167 | UINTN DataSize;\r | |
2168 | UINTN SigDBSize;\r | |
2169 | UINT32 Attr;\r | |
2170 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
2171 | \r | |
2172 | Data = NULL;\r | |
ecc722ad | 2173 | GuidCertData = NULL;\r |
ecc722ad | 2174 | \r |
20333c6d QL |
2175 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r |
2176 | return EFI_UNSUPPORTED;\r | |
2177 | }\r | |
2178 | \r | |
ecc722ad | 2179 | //\r |
2180 | // Form the SigDB certificate list.\r | |
2181 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
2182 | //\r | |
d6b926e7 | 2183 | // We need to parse signature data of executable from specified signed executable file.\r |
ecc722ad | 2184 | // In current implementation, we simply trust the pass-in signed executable file.\r |
2185 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
2186 | //\r | |
2187 | \r | |
2188 | //\r | |
2189 | // Read the whole file content\r | |
2190 | //\r | |
c411b485 | 2191 | Status = ReadFileContent (\r |
ecc722ad | 2192 | Private->FileContext->FHandle,\r |
c411b485 | 2193 | (VOID **)&mImageBase,\r |
20333c6d | 2194 | &mImageSize,\r |
ecc722ad | 2195 | 0\r |
2196 | );\r | |
2197 | if (EFI_ERROR (Status)) {\r | |
2198 | goto ON_EXIT;\r | |
20333c6d | 2199 | }\r |
c411b485 | 2200 | \r |
ba57d4fd | 2201 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 2202 | \r |
2203 | Status = LoadPeImage ();\r | |
2204 | if (EFI_ERROR (Status)) {\r | |
2205 | goto ON_EXIT;\r | |
2206 | }\r | |
2207 | \r | |
2208 | if (mSecDataDir->SizeOfCert == 0) {\r | |
2209 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2210 | Status = EFI_SECURITY_VIOLATION;\r | |
2211 | goto ON_EXIT;\r | |
2212 | }\r | |
2213 | } else {\r | |
ecc722ad | 2214 | //\r |
2215 | // Read the certificate data\r | |
2216 | //\r | |
2217 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
2218 | \r | |
2219 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
c411b485 MK |
2220 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID *)mCertificate;\r |
2221 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof (EFI_GUID)) != 0) {\r | |
ecc722ad | 2222 | Status = EFI_ABORTED;\r |
2223 | goto ON_EXIT;\r | |
2224 | }\r | |
2225 | \r | |
2226 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2227 | Status = EFI_ABORTED;\r | |
c411b485 | 2228 | goto ON_EXIT;\r |
ecc722ad | 2229 | }\r |
ecc722ad | 2230 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r |
ecc722ad | 2231 | Status = HashPeImageByType ();\r |
2232 | if (EFI_ERROR (Status)) {\r | |
c411b485 | 2233 | goto ON_EXIT;\r |
ecc722ad | 2234 | }\r |
2235 | } else {\r | |
2236 | Status = EFI_ABORTED;\r | |
2237 | goto ON_EXIT;\r | |
2238 | }\r | |
2239 | }\r | |
2240 | \r | |
2241 | //\r | |
2242 | // Create a new SigDB entry.\r | |
2243 | //\r | |
c411b485 MK |
2244 | SigDBSize = sizeof (EFI_SIGNATURE_LIST)\r |
2245 | + sizeof (EFI_SIGNATURE_DATA) - 1\r | |
2246 | + (UINT32)mImageDigestSize;\r | |
ecc722ad | 2247 | \r |
c411b485 | 2248 | Data = (UINT8 *)AllocateZeroPool (SigDBSize);\r |
ecc722ad | 2249 | if (Data == NULL) {\r |
2250 | Status = EFI_OUT_OF_RESOURCES;\r | |
2251 | goto ON_EXIT;\r | |
2252 | }\r | |
20333c6d | 2253 | \r |
ecc722ad | 2254 | //\r |
2255 | // Adjust the Certificate Database parameters.\r | |
20333c6d | 2256 | //\r |
c411b485 MK |
2257 | SigDBCert = (EFI_SIGNATURE_LIST *)Data;\r |
2258 | SigDBCert->SignatureListSize = (UINT32)SigDBSize;\r | |
ecc722ad | 2259 | SigDBCert->SignatureHeaderSize = 0;\r |
c411b485 | 2260 | SigDBCert->SignatureSize = sizeof (EFI_SIGNATURE_DATA) - 1 + (UINT32)mImageDigestSize;\r |
ecc722ad | 2261 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r |
2262 | \r | |
c411b485 | 2263 | SigDBCertData = (EFI_SIGNATURE_DATA *)((UINT8 *)SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r |
ecc722ad | 2264 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r |
2265 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
2266 | \r | |
20333c6d | 2267 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r |
c411b485 MK |
2268 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
2269 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8 **)&Data);\r | |
8c1babfd | 2270 | if (EFI_ERROR (Status)) {\r |
e905fbb0 | 2271 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 2272 | goto ON_EXIT;\r |
2273 | }\r | |
20333c6d | 2274 | \r |
ecc722ad | 2275 | //\r |
20333c6d QL |
2276 | // Check if SigDB variable has been already existed.\r |
2277 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 2278 | // new signature data to original variable\r |
20333c6d | 2279 | //\r |
ecc722ad | 2280 | DataSize = 0;\r |
c411b485 MK |
2281 | Status = gRT->GetVariable (\r |
2282 | VariableName,\r | |
2283 | &gEfiImageSecurityDatabaseGuid,\r | |
2284 | NULL,\r | |
2285 | &DataSize,\r | |
2286 | NULL\r | |
2287 | );\r | |
ecc722ad | 2288 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
2289 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2290 | } else if (Status != EFI_NOT_FOUND) {\r | |
2291 | goto ON_EXIT;\r | |
20333c6d | 2292 | }\r |
ecc722ad | 2293 | \r |
2294 | //\r | |
2295 | // Enroll the variable.\r | |
2296 | //\r | |
c411b485 | 2297 | Status = gRT->SetVariable (\r |
20333c6d QL |
2298 | VariableName,\r |
2299 | &gEfiImageSecurityDatabaseGuid,\r | |
2300 | Attr,\r | |
2301 | SigDBSize,\r | |
ecc722ad | 2302 | Data\r |
2303 | );\r | |
2304 | if (EFI_ERROR (Status)) {\r | |
2305 | goto ON_EXIT;\r | |
2306 | }\r | |
2307 | \r | |
2308 | ON_EXIT:\r | |
2309 | \r | |
c411b485 | 2310 | CloseEnrolledFile (Private->FileContext);\r |
ecc722ad | 2311 | \r |
2312 | if (Private->SignatureGUID != NULL) {\r | |
2313 | FreePool (Private->SignatureGUID);\r | |
2314 | Private->SignatureGUID = NULL;\r | |
2315 | }\r | |
2316 | \r | |
2317 | if (Data != NULL) {\r | |
2318 | FreePool (Data);\r | |
2319 | }\r | |
2320 | \r | |
2321 | if (mImageBase != NULL) {\r | |
2322 | FreePool (mImageBase);\r | |
2323 | mImageBase = NULL;\r | |
2324 | }\r | |
2325 | \r | |
2326 | return Status;\r | |
2327 | }\r | |
2328 | \r | |
2329 | /**\r | |
20333c6d | 2330 | Enroll signature into DB/DBX/DBT without KEK's authentication.\r |
ecc722ad | 2331 | The SignatureOwner GUID will be Private->SignatureGUID.\r |
20333c6d | 2332 | \r |
ecc722ad | 2333 | @param[in] PrivateData The module's private data.\r |
20333c6d | 2334 | @param[in] VariableName Variable name of signature database, must be\r |
ecc722ad | 2335 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r |
20333c6d | 2336 | \r |
ecc722ad | 2337 | @retval EFI_SUCCESS New signature enrolled successfully.\r |
2338 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2339 | @retval others Fail to enroll signature data.\r | |
20333c6d | 2340 | \r |
ecc722ad | 2341 | **/\r |
2342 | EFI_STATUS\r | |
2343 | EnrollSignatureDatabase (\r | |
c411b485 MK |
2344 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
2345 | IN CHAR16 *VariableName\r | |
20333c6d | 2346 | )\r |
ecc722ad | 2347 | {\r |
c411b485 MK |
2348 | UINT16 *FilePostFix;\r |
2349 | EFI_STATUS Status;\r | |
2350 | UINTN NameLength;\r | |
ecc722ad | 2351 | \r |
2352 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
2353 | return EFI_INVALID_PARAMETER;\r | |
2354 | }\r | |
2355 | \r | |
20333c6d | 2356 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 2357 | if (EFI_ERROR (Status)) {\r |
2358 | return Status;\r | |
2359 | }\r | |
20333c6d | 2360 | \r |
ecc722ad | 2361 | //\r |
20333c6d | 2362 | // Parse the file's postfix.\r |
ecc722ad | 2363 | //\r |
fd64f84f GCPL |
2364 | NameLength = StrLen (Private->FileContext->FileName);\r |
2365 | if (NameLength <= 4) {\r | |
2366 | return EFI_INVALID_PARAMETER;\r | |
2367 | }\r | |
c411b485 | 2368 | \r |
fd64f84f | 2369 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r |
20333c6d | 2370 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
ecc722ad | 2371 | //\r |
e4d7370d | 2372 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 2373 | //\r |
2374 | return EnrollX509toSigDB (Private, VariableName);\r | |
c411b485 MK |
2375 | } else if (IsAuthentication2Format (Private->FileContext->FHandle)) {\r |
2376 | return EnrollAuthentication2Descriptor (Private, VariableName);\r | |
4de754e1 ZC |
2377 | } else {\r |
2378 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
ecc722ad | 2379 | }\r |
ecc722ad | 2380 | }\r |
2381 | \r | |
2382 | /**\r | |
20333c6d | 2383 | List all signatures in specified signature database (e.g. KEK/DB/DBX/DBT)\r |
ecc722ad | 2384 | by GUID in the page for user to select and delete as needed.\r |
2385 | \r | |
2386 | @param[in] PrivateData Module's private data.\r | |
2387 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2388 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2389 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2390 | @param[in] FormId Form ID of current page.\r | |
2391 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2392 | \r | |
2393 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2394 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
20333c6d | 2395 | \r |
ecc722ad | 2396 | **/\r |
2397 | EFI_STATUS\r | |
2398 | UpdateDeletePage (\r | |
c411b485 MK |
2399 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
2400 | IN CHAR16 *VariableName,\r | |
2401 | IN EFI_GUID *VendorGuid,\r | |
2402 | IN UINT16 LabelNumber,\r | |
2403 | IN EFI_FORM_ID FormId,\r | |
2404 | IN EFI_QUESTION_ID QuestionIdBase\r | |
ecc722ad | 2405 | )\r |
2406 | {\r | |
c411b485 MK |
2407 | EFI_STATUS Status;\r |
2408 | UINT32 Index;\r | |
2409 | UINTN CertCount;\r | |
2410 | UINTN GuidIndex;\r | |
2411 | VOID *StartOpCodeHandle;\r | |
2412 | VOID *EndOpCodeHandle;\r | |
2413 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
2414 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
2415 | UINTN DataSize;\r | |
2416 | UINT8 *Data;\r | |
2417 | EFI_SIGNATURE_LIST *CertList;\r | |
2418 | EFI_SIGNATURE_DATA *Cert;\r | |
2419 | UINT32 ItemDataSize;\r | |
2420 | CHAR16 *GuidStr;\r | |
2421 | EFI_STRING_ID GuidID;\r | |
2422 | EFI_STRING_ID Help;\r | |
2423 | \r | |
2424 | Data = NULL;\r | |
2425 | CertList = NULL;\r | |
2426 | Cert = NULL;\r | |
2427 | GuidStr = NULL;\r | |
ecc722ad | 2428 | StartOpCodeHandle = NULL;\r |
2429 | EndOpCodeHandle = NULL;\r | |
20333c6d | 2430 | \r |
ecc722ad | 2431 | //\r |
2432 | // Initialize the container for dynamic opcodes.\r | |
2433 | //\r | |
2434 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2435 | if (StartOpCodeHandle == NULL) {\r | |
2436 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2437 | goto ON_EXIT;\r |
ecc722ad | 2438 | }\r |
2439 | \r | |
2440 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2441 | if (EndOpCodeHandle == NULL) {\r | |
2442 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2443 | goto ON_EXIT;\r |
ecc722ad | 2444 | }\r |
2445 | \r | |
2446 | //\r | |
2447 | // Create Hii Extend Label OpCode.\r | |
2448 | //\r | |
c411b485 MK |
2449 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
2450 | StartOpCodeHandle,\r | |
2451 | &gEfiIfrTianoGuid,\r | |
2452 | NULL,\r | |
2453 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2454 | );\r | |
2455 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2456 | StartLabel->Number = LabelNumber;\r | |
ecc722ad | 2457 | \r |
c411b485 MK |
2458 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
2459 | EndOpCodeHandle,\r | |
2460 | &gEfiIfrTianoGuid,\r | |
2461 | NULL,\r | |
2462 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2463 | );\r | |
2464 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2465 | EndLabel->Number = LABEL_END;\r | |
ecc722ad | 2466 | \r |
2467 | //\r | |
2468 | // Read Variable.\r | |
2469 | //\r | |
2470 | DataSize = 0;\r | |
c411b485 MK |
2471 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r |
2472 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
ecc722ad | 2473 | goto ON_EXIT;\r |
2474 | }\r | |
2475 | \r | |
c411b485 | 2476 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
ecc722ad | 2477 | if (Data == NULL) {\r |
2478 | Status = EFI_OUT_OF_RESOURCES;\r | |
2479 | goto ON_EXIT;\r | |
2480 | }\r | |
2481 | \r | |
2482 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
2483 | if (EFI_ERROR (Status)) {\r | |
2484 | goto ON_EXIT;\r | |
2485 | }\r | |
2486 | \r | |
2487 | GuidStr = AllocateZeroPool (100);\r | |
2488 | if (GuidStr == NULL) {\r | |
2489 | Status = EFI_OUT_OF_RESOURCES;\r | |
2490 | goto ON_EXIT;\r | |
2491 | }\r | |
2492 | \r | |
2493 | //\r | |
2494 | // Enumerate all KEK pub data.\r | |
2495 | //\r | |
c411b485 MK |
2496 | ItemDataSize = (UINT32)DataSize;\r |
2497 | CertList = (EFI_SIGNATURE_LIST *)Data;\r | |
2498 | GuidIndex = 0;\r | |
ecc722ad | 2499 | \r |
2500 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
ecc722ad | 2501 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r |
2502 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
2503 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2504 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
2505 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
2506 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
2507 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
2508 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
20333c6d QL |
2509 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid)) {\r |
2510 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA256_GUID);\r | |
2511 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
2512 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA384_GUID);\r | |
2513 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
2514 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA512_GUID);\r | |
ecc722ad | 2515 | } else {\r |
2516 | //\r | |
2517 | // The signature type is not supported in current implementation.\r | |
2518 | //\r | |
b7d269ea | 2519 | ItemDataSize -= CertList->SignatureListSize;\r |
c411b485 | 2520 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2521 | continue;\r |
2522 | }\r | |
2523 | \r | |
c411b485 | 2524 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r |
ecc722ad | 2525 | for (Index = 0; Index < CertCount; Index++) {\r |
c411b485 MK |
2526 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)CertList\r |
2527 | + sizeof (EFI_SIGNATURE_LIST)\r | |
2528 | + CertList->SignatureHeaderSize\r | |
2529 | + Index * CertList->SignatureSize);\r | |
ecc722ad | 2530 | //\r |
20333c6d | 2531 | // Display GUID and help\r |
ecc722ad | 2532 | //\r |
2533 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
c411b485 | 2534 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r |
ecc722ad | 2535 | HiiCreateCheckBoxOpCode (\r |
2536 | StartOpCodeHandle,\r | |
c411b485 | 2537 | (EFI_QUESTION_ID)(QuestionIdBase + GuidIndex++),\r |
20333c6d QL |
2538 | 0,\r |
2539 | 0,\r | |
2540 | GuidID,\r | |
ecc722ad | 2541 | Help,\r |
2542 | EFI_IFR_FLAG_CALLBACK,\r | |
2543 | 0,\r | |
2544 | NULL\r | |
20333c6d | 2545 | );\r |
ecc722ad | 2546 | }\r |
2547 | \r | |
2548 | ItemDataSize -= CertList->SignatureListSize;\r | |
c411b485 | 2549 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2550 | }\r |
2551 | \r | |
2552 | ON_EXIT:\r | |
2553 | HiiUpdateForm (\r | |
2554 | PrivateData->HiiHandle,\r | |
2555 | &gSecureBootConfigFormSetGuid,\r | |
2556 | FormId,\r | |
2557 | StartOpCodeHandle,\r | |
2558 | EndOpCodeHandle\r | |
2559 | );\r | |
2560 | \r | |
2561 | if (StartOpCodeHandle != NULL) {\r | |
2562 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2563 | }\r | |
2564 | \r | |
2565 | if (EndOpCodeHandle != NULL) {\r | |
2566 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2567 | }\r | |
20333c6d | 2568 | \r |
ecc722ad | 2569 | if (Data != NULL) {\r |
2570 | FreePool (Data);\r | |
2571 | }\r | |
2572 | \r | |
2573 | if (GuidStr != NULL) {\r | |
2574 | FreePool (GuidStr);\r | |
2575 | }\r | |
2576 | \r | |
2577 | return EFI_SUCCESS;\r | |
2578 | }\r | |
2579 | \r | |
beda2356 | 2580 | /**\r |
20333c6d | 2581 | Delete a KEK entry from KEK database.\r |
beda2356 | 2582 | \r |
ecc722ad | 2583 | @param[in] PrivateData Module's private data.\r |
2584 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 2585 | \r |
ecc722ad | 2586 | @retval EFI_SUCCESS Delete kek item successfully.\r |
2587 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 2588 | \r |
ecc722ad | 2589 | **/\r |
2590 | EFI_STATUS\r | |
2591 | DeleteKeyExchangeKey (\r | |
c411b485 MK |
2592 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
2593 | IN EFI_QUESTION_ID QuestionId\r | |
ecc722ad | 2594 | )\r |
2595 | {\r | |
c411b485 MK |
2596 | EFI_STATUS Status;\r |
2597 | UINTN DataSize;\r | |
2598 | UINT8 *Data;\r | |
2599 | UINT8 *OldData;\r | |
2600 | UINT32 Attr;\r | |
2601 | UINT32 Index;\r | |
2602 | EFI_SIGNATURE_LIST *CertList;\r | |
2603 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2604 | EFI_SIGNATURE_DATA *Cert;\r | |
2605 | UINTN CertCount;\r | |
2606 | UINT32 Offset;\r | |
2607 | BOOLEAN IsKEKItemFound;\r | |
2608 | UINT32 KekDataSize;\r | |
2609 | UINTN DeleteKekIndex;\r | |
2610 | UINTN GuidIndex;\r | |
2611 | \r | |
2612 | Data = NULL;\r | |
2613 | OldData = NULL;\r | |
2614 | CertList = NULL;\r | |
2615 | Cert = NULL;\r | |
2616 | Attr = 0;\r | |
2617 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r | |
2618 | \r | |
2619 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
f71ed839 | 2620 | if (EFI_ERROR (Status)) {\r |
2621 | return Status;\r | |
2622 | }\r | |
20333c6d | 2623 | \r |
ecc722ad | 2624 | //\r |
2625 | // Get original KEK variable.\r | |
20333c6d QL |
2626 | //\r |
2627 | DataSize = 0;\r | |
c411b485 MK |
2628 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r |
2629 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
ecc722ad | 2630 | goto ON_EXIT;\r |
2631 | }\r | |
2632 | \r | |
c411b485 | 2633 | OldData = (UINT8 *)AllocateZeroPool (DataSize);\r |
ecc722ad | 2634 | if (OldData == NULL) {\r |
20333c6d | 2635 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2636 | goto ON_EXIT;\r |
2637 | }\r | |
2638 | \r | |
2639 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
c411b485 | 2640 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2641 | goto ON_EXIT;\r |
2642 | }\r | |
2643 | \r | |
2644 | //\r | |
20333c6d | 2645 | // Allocate space for new variable.\r |
ecc722ad | 2646 | //\r |
c411b485 | 2647 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
ecc722ad | 2648 | if (Data == NULL) {\r |
c411b485 | 2649 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2650 | goto ON_EXIT;\r |
2651 | }\r | |
2652 | \r | |
2653 | //\r | |
2654 | // Enumerate all KEK pub data and erasing the target item.\r | |
2655 | //\r | |
2656 | IsKEKItemFound = FALSE;\r | |
c411b485 MK |
2657 | KekDataSize = (UINT32)DataSize;\r |
2658 | CertList = (EFI_SIGNATURE_LIST *)OldData;\r | |
2659 | Offset = 0;\r | |
2660 | GuidIndex = 0;\r | |
ecc722ad | 2661 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r |
2662 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
c411b485 MK |
2663 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid))\r |
2664 | {\r | |
2665 | CopyMem (Data + Offset, CertList, (sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
ecc722ad | 2666 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r |
c411b485 MK |
2667 | Offset += (sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r |
2668 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2669 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
ecc722ad | 2670 | for (Index = 0; Index < CertCount; Index++) {\r |
2671 | if (GuidIndex == DeleteKekIndex ) {\r | |
2672 | //\r | |
2673 | // Find it! Skip it!\r | |
2674 | //\r | |
2675 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
c411b485 | 2676 | IsKEKItemFound = TRUE;\r |
ecc722ad | 2677 | } else {\r |
2678 | //\r | |
2679 | // This item doesn't match. Copy it to the Data buffer.\r | |
2680 | //\r | |
2681 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
2682 | Offset += CertList->SignatureSize;\r | |
2683 | }\r | |
c411b485 | 2684 | \r |
ecc722ad | 2685 | GuidIndex++;\r |
c411b485 | 2686 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)Cert + CertList->SignatureSize);\r |
ecc722ad | 2687 | }\r |
2688 | } else {\r | |
2689 | //\r | |
2690 | // This List doesn't match. Copy it to the Data buffer.\r | |
2691 | //\r | |
2692 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
2693 | Offset += CertList->SignatureListSize;\r | |
2694 | }\r | |
20333c6d | 2695 | \r |
ecc722ad | 2696 | KekDataSize -= CertList->SignatureListSize;\r |
c411b485 | 2697 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2698 | }\r |
2699 | \r | |
2700 | if (!IsKEKItemFound) {\r | |
2701 | //\r | |
2702 | // Doesn't find the Kek Item!\r | |
2703 | //\r | |
2704 | Status = EFI_NOT_FOUND;\r | |
2705 | goto ON_EXIT;\r | |
2706 | }\r | |
2707 | \r | |
2708 | //\r | |
2709 | // Delete the Signature header if there is no signature in the list.\r | |
2710 | //\r | |
2711 | KekDataSize = Offset;\r | |
c411b485 MK |
2712 | CertList = (EFI_SIGNATURE_LIST *)Data;\r |
2713 | Offset = 0;\r | |
ecc722ad | 2714 | ZeroMem (OldData, KekDataSize);\r |
2715 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
c411b485 | 2716 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r |
33985e3b | 2717 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2718 | if (CertCount != 0) {\r |
2719 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
2720 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2721 | }\r |
c411b485 | 2722 | \r |
ecc722ad | 2723 | KekDataSize -= CertList->SignatureListSize;\r |
c411b485 | 2724 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2725 | }\r |
2726 | \r | |
ecc722ad | 2727 | DataSize = Offset;\r |
8c1babfd | 2728 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2729 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2730 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2731 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 2732 | goto ON_EXIT;\r |
2733 | }\r | |
2734 | }\r | |
ecc722ad | 2735 | \r |
c411b485 | 2736 | Status = gRT->SetVariable (\r |
20333c6d QL |
2737 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2738 | &gEfiGlobalVariableGuid,\r | |
2739 | Attr,\r | |
2740 | DataSize,\r | |
ecc722ad | 2741 | OldData\r |
2742 | );\r | |
2743 | if (EFI_ERROR (Status)) {\r | |
2744 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
2745 | goto ON_EXIT;\r | |
2746 | }\r | |
20333c6d | 2747 | \r |
ecc722ad | 2748 | ON_EXIT:\r |
2749 | if (Data != NULL) {\r | |
c411b485 | 2750 | FreePool (Data);\r |
ecc722ad | 2751 | }\r |
2752 | \r | |
2753 | if (OldData != NULL) {\r | |
c411b485 | 2754 | FreePool (OldData);\r |
ecc722ad | 2755 | }\r |
2756 | \r | |
2757 | return UpdateDeletePage (\r | |
20333c6d | 2758 | PrivateData,\r |
ecc722ad | 2759 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2760 | &gEfiGlobalVariableGuid,\r | |
2761 | LABEL_KEK_DELETE,\r | |
2762 | FORMID_DELETE_KEK_FORM,\r | |
2763 | OPTION_DEL_KEK_QUESTION_ID\r | |
2764 | );\r | |
2765 | }\r | |
2766 | \r | |
2767 | /**\r | |
85974aef | 2768 | Delete a signature entry from signature database.\r |
beda2356 | 2769 | \r |
ecc722ad | 2770 | @param[in] PrivateData Module's private data.\r |
2771 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2772 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2773 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2774 | @param[in] FormId Form ID of current page.\r | |
2775 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2776 | @param[in] DeleteIndex Signature index to delete.\r | |
20333c6d | 2777 | \r |
85974aef | 2778 | @retval EFI_SUCCESS Delete signature successfully.\r |
ecc722ad | 2779 | @retval EFI_NOT_FOUND Can't find the signature item,\r |
2780 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 2781 | **/\r |
2782 | EFI_STATUS\r | |
ecc722ad | 2783 | DeleteSignature (\r |
c411b485 MK |
2784 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
2785 | IN CHAR16 *VariableName,\r | |
2786 | IN EFI_GUID *VendorGuid,\r | |
2787 | IN UINT16 LabelNumber,\r | |
2788 | IN EFI_FORM_ID FormId,\r | |
2789 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
2790 | IN UINTN DeleteIndex\r | |
beda2356 | 2791 | )\r |
2792 | {\r | |
c411b485 MK |
2793 | EFI_STATUS Status;\r |
2794 | UINTN DataSize;\r | |
2795 | UINT8 *Data;\r | |
2796 | UINT8 *OldData;\r | |
2797 | UINT32 Attr;\r | |
2798 | UINT32 Index;\r | |
2799 | EFI_SIGNATURE_LIST *CertList;\r | |
2800 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2801 | EFI_SIGNATURE_DATA *Cert;\r | |
2802 | UINTN CertCount;\r | |
2803 | UINT32 Offset;\r | |
2804 | BOOLEAN IsItemFound;\r | |
2805 | UINT32 ItemDataSize;\r | |
2806 | UINTN GuidIndex;\r | |
2807 | \r | |
2808 | Data = NULL;\r | |
2809 | OldData = NULL;\r | |
2810 | CertList = NULL;\r | |
2811 | Cert = NULL;\r | |
2812 | Attr = 0;\r | |
2813 | \r | |
2814 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
f71ed839 | 2815 | if (EFI_ERROR (Status)) {\r |
2816 | return Status;\r | |
2817 | }\r | |
2818 | \r | |
ecc722ad | 2819 | //\r |
2820 | // Get original signature list data.\r | |
20333c6d | 2821 | //\r |
ecc722ad | 2822 | DataSize = 0;\r |
c411b485 MK |
2823 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r |
2824 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
ecc722ad | 2825 | goto ON_EXIT;\r |
2826 | }\r | |
2827 | \r | |
c411b485 | 2828 | OldData = (UINT8 *)AllocateZeroPool (DataSize);\r |
ecc722ad | 2829 | if (OldData == NULL) {\r |
20333c6d | 2830 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2831 | goto ON_EXIT;\r |
2832 | }\r | |
2833 | \r | |
2834 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
c411b485 | 2835 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2836 | goto ON_EXIT;\r |
20333c6d | 2837 | }\r |
ecc722ad | 2838 | \r |
2839 | //\r | |
20333c6d | 2840 | // Allocate space for new variable.\r |
ecc722ad | 2841 | //\r |
c411b485 | 2842 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
ecc722ad | 2843 | if (Data == NULL) {\r |
c411b485 | 2844 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2845 | goto ON_EXIT;\r |
2846 | }\r | |
2847 | \r | |
2848 | //\r | |
2849 | // Enumerate all signature data and erasing the target item.\r | |
2850 | //\r | |
c411b485 MK |
2851 | IsItemFound = FALSE;\r |
2852 | ItemDataSize = (UINT32)DataSize;\r | |
2853 | CertList = (EFI_SIGNATURE_LIST *)OldData;\r | |
2854 | Offset = 0;\r | |
2855 | GuidIndex = 0;\r | |
ecc722ad | 2856 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r |
2857 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2858 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
2859 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
20333c6d QL |
2860 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid) ||\r |
2861 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid) ||\r | |
2862 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid) ||\r | |
2863 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)\r | |
c411b485 MK |
2864 | )\r |
2865 | {\r | |
ecc722ad | 2866 | //\r |
2867 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
2868 | //\r | |
c411b485 MK |
2869 | CopyMem (Data + Offset, CertList, (sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r |
2870 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
2871 | Offset += (sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2872 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2873 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
ecc722ad | 2874 | for (Index = 0; Index < CertCount; Index++) {\r |
2875 | if (GuidIndex == DeleteIndex) {\r | |
2876 | //\r | |
2877 | // Find it! Skip it!\r | |
2878 | //\r | |
2879 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
c411b485 | 2880 | IsItemFound = TRUE;\r |
ecc722ad | 2881 | } else {\r |
2882 | //\r | |
2883 | // This item doesn't match. Copy it to the Data buffer.\r | |
2884 | //\r | |
c411b485 | 2885 | CopyMem (Data + Offset, (UINT8 *)(Cert), CertList->SignatureSize);\r |
ecc722ad | 2886 | Offset += CertList->SignatureSize;\r |
2887 | }\r | |
c411b485 | 2888 | \r |
ecc722ad | 2889 | GuidIndex++;\r |
c411b485 | 2890 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)Cert + CertList->SignatureSize);\r |
ecc722ad | 2891 | }\r |
2892 | } else {\r | |
2893 | //\r | |
2894 | // This List doesn't match. Just copy it to the Data buffer.\r | |
2895 | //\r | |
c411b485 | 2896 | CopyMem (Data + Offset, (UINT8 *)(CertList), CertList->SignatureListSize);\r |
ecc722ad | 2897 | Offset += CertList->SignatureListSize;\r |
2898 | }\r | |
20333c6d | 2899 | \r |
ecc722ad | 2900 | ItemDataSize -= CertList->SignatureListSize;\r |
c411b485 | 2901 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2902 | }\r |
2903 | \r | |
2904 | if (!IsItemFound) {\r | |
2905 | //\r | |
2906 | // Doesn't find the signature Item!\r | |
2907 | //\r | |
2908 | Status = EFI_NOT_FOUND;\r | |
2909 | goto ON_EXIT;\r | |
2910 | }\r | |
2911 | \r | |
2912 | //\r | |
2913 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
2914 | //\r | |
2915 | ItemDataSize = Offset;\r | |
c411b485 MK |
2916 | CertList = (EFI_SIGNATURE_LIST *)Data;\r |
2917 | Offset = 0;\r | |
ecc722ad | 2918 | ZeroMem (OldData, ItemDataSize);\r |
2919 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
c411b485 | 2920 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r |
33985e3b | 2921 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2922 | if (CertCount != 0) {\r |
c411b485 | 2923 | CopyMem (OldData + Offset, (UINT8 *)(CertList), CertList->SignatureListSize);\r |
ecc722ad | 2924 | Offset += CertList->SignatureListSize;\r |
20333c6d | 2925 | }\r |
c411b485 | 2926 | \r |
ecc722ad | 2927 | ItemDataSize -= CertList->SignatureListSize;\r |
c411b485 | 2928 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2929 | }\r |
2930 | \r | |
ecc722ad | 2931 | DataSize = Offset;\r |
8c1babfd | 2932 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2933 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2934 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2935 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 2936 | goto ON_EXIT;\r |
2937 | }\r | |
2938 | }\r | |
ecc722ad | 2939 | \r |
c411b485 | 2940 | Status = gRT->SetVariable (\r |
20333c6d QL |
2941 | VariableName,\r |
2942 | VendorGuid,\r | |
2943 | Attr,\r | |
2944 | DataSize,\r | |
ecc722ad | 2945 | OldData\r |
2946 | );\r | |
beda2356 | 2947 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2948 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
2949 | goto ON_EXIT;\r | |
beda2356 | 2950 | }\r |
20333c6d | 2951 | \r |
ecc722ad | 2952 | ON_EXIT:\r |
2953 | if (Data != NULL) {\r | |
c411b485 | 2954 | FreePool (Data);\r |
ecc722ad | 2955 | }\r |
2956 | \r | |
2957 | if (OldData != NULL) {\r | |
c411b485 | 2958 | FreePool (OldData);\r |
ecc722ad | 2959 | }\r |
2960 | \r | |
2961 | return UpdateDeletePage (\r | |
20333c6d | 2962 | PrivateData,\r |
ecc722ad | 2963 | VariableName,\r |
2964 | VendorGuid,\r | |
2965 | LabelNumber,\r | |
2966 | FormId,\r | |
2967 | QuestionIdBase\r | |
2968 | );\r | |
2969 | }\r | |
2970 | \r | |
85974aef | 2971 | /**\r |
2972 | This function to delete signature list or data, according by DelType.\r | |
2973 | \r | |
2974 | @param[in] PrivateData Module's private data.\r | |
2975 | @param[in] DelType Indicate delete signature list or data.\r | |
2976 | @param[in] CheckedCount Indicate how many signature data have\r | |
2977 | been checked in current signature list.\r | |
2978 | \r | |
2979 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2980 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
2981 | **/\r | |
2982 | EFI_STATUS\r | |
2983 | DeleteSignatureEx (\r | |
c411b485 MK |
2984 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
2985 | IN SIGNATURE_DELETE_TYPE DelType,\r | |
2986 | IN UINT32 CheckedCount\r | |
85974aef | 2987 | )\r |
2988 | {\r | |
2989 | EFI_STATUS Status;\r | |
2990 | EFI_SIGNATURE_LIST *ListWalker;\r | |
2991 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2992 | EFI_SIGNATURE_DATA *DataWalker;\r | |
65c77f02 | 2993 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
85974aef | 2994 | UINT32 VariableAttr;\r |
2995 | UINTN VariableDataSize;\r | |
2996 | UINTN RemainingSize;\r | |
2997 | UINTN ListIndex;\r | |
2998 | UINTN Index;\r | |
2999 | UINTN Offset;\r | |
3000 | UINT8 *VariableData;\r | |
3001 | UINT8 *NewVariableData;\r | |
3002 | \r | |
c411b485 MK |
3003 | Status = EFI_SUCCESS;\r |
3004 | VariableAttr = 0;\r | |
3005 | VariableDataSize = 0;\r | |
3006 | ListIndex = 0;\r | |
3007 | Offset = 0;\r | |
3008 | VariableData = NULL;\r | |
3009 | NewVariableData = NULL;\r | |
85974aef | 3010 | \r |
0085d619 | 3011 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 3012 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 3013 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 3014 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 3015 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 3016 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 3017 | } else {\r |
3018 | goto ON_EXIT;\r | |
3019 | }\r | |
3020 | \r | |
3021 | Status = gRT->GetVariable (\r | |
3022 | VariableName,\r | |
3023 | &gEfiImageSecurityDatabaseGuid,\r | |
3024 | &VariableAttr,\r | |
3025 | &VariableDataSize,\r | |
3026 | VariableData\r | |
c411b485 MK |
3027 | );\r |
3028 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
85974aef | 3029 | goto ON_EXIT;\r |
3030 | }\r | |
3031 | \r | |
3032 | VariableData = AllocateZeroPool (VariableDataSize);\r | |
3033 | if (VariableData == NULL) {\r | |
3034 | Status = EFI_OUT_OF_RESOURCES;\r | |
3035 | goto ON_EXIT;\r | |
3036 | }\r | |
3037 | \r | |
3038 | Status = gRT->GetVariable (\r | |
3039 | VariableName,\r | |
3040 | &gEfiImageSecurityDatabaseGuid,\r | |
3041 | &VariableAttr,\r | |
3042 | &VariableDataSize,\r | |
3043 | VariableData\r | |
c411b485 | 3044 | );\r |
85974aef | 3045 | if (EFI_ERROR (Status)) {\r |
3046 | goto ON_EXIT;\r | |
3047 | }\r | |
3048 | \r | |
3049 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
3050 | if (EFI_ERROR (Status)) {\r | |
3051 | goto ON_EXIT;\r | |
3052 | }\r | |
3053 | \r | |
3054 | NewVariableData = AllocateZeroPool (VariableDataSize);\r | |
3055 | if (NewVariableData == NULL) {\r | |
3056 | Status = EFI_OUT_OF_RESOURCES;\r | |
3057 | goto ON_EXIT;\r | |
3058 | }\r | |
3059 | \r | |
3060 | RemainingSize = VariableDataSize;\r | |
c411b485 | 3061 | ListWalker = (EFI_SIGNATURE_LIST *)(VariableData);\r |
0085d619 | 3062 | if (DelType == Delete_Signature_List_All) {\r |
85974aef | 3063 | VariableDataSize = 0;\r |
3064 | } else {\r | |
dcd70885 LG |
3065 | //\r |
3066 | // Traverse to target EFI_SIGNATURE_LIST but others will be skipped.\r | |
3067 | //\r | |
85974aef | 3068 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex < PrivateData->ListIndex) {\r |
3069 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, ListWalker->SignatureListSize);\r | |
3070 | Offset += ListWalker->SignatureListSize;\r | |
3071 | \r | |
3072 | RemainingSize -= ListWalker->SignatureListSize;\r | |
c411b485 | 3073 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r |
85974aef | 3074 | ListIndex++;\r |
3075 | }\r | |
3076 | \r | |
dcd70885 LG |
3077 | //\r |
3078 | // Handle the target EFI_SIGNATURE_LIST.\r | |
3079 | // If CheckedCount == SIGNATURE_DATA_COUNTS (ListWalker) or DelType == Delete_Signature_List_One\r | |
3080 | // it means delete the whole EFI_SIGNATURE_LIST, So we just skip this EFI_SIGNATURE_LIST.\r | |
3081 | //\r | |
c411b485 | 3082 | if ((CheckedCount < SIGNATURE_DATA_COUNTS (ListWalker)) && (DelType == Delete_Signature_Data)) {\r |
85974aef | 3083 | NewCertList = (EFI_SIGNATURE_LIST *)(NewVariableData + Offset);\r |
3084 | //\r | |
3085 | // Copy header.\r | |
3086 | //\r | |
dcd70885 | 3087 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
85974aef | 3088 | Offset += sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize;\r |
3089 | \r | |
c411b485 MK |
3090 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
3091 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS (ListWalker); Index = Index + 1) {\r | |
85974aef | 3092 | if (PrivateData->CheckArray[Index]) {\r |
3093 | //\r | |
3094 | // Delete checked signature data, and update the size of whole signature list.\r | |
3095 | //\r | |
3096 | NewCertList->SignatureListSize -= NewCertList->SignatureSize;\r | |
3097 | } else {\r | |
3098 | //\r | |
3099 | // Remain the unchecked signature data.\r | |
3100 | //\r | |
3101 | CopyMem ((UINT8 *)NewVariableData + Offset, DataWalker, ListWalker->SignatureSize);\r | |
3102 | Offset += ListWalker->SignatureSize;\r | |
3103 | }\r | |
c411b485 | 3104 | \r |
85974aef | 3105 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r |
3106 | }\r | |
85974aef | 3107 | }\r |
3108 | \r | |
dcd70885 | 3109 | RemainingSize -= ListWalker->SignatureListSize;\r |
c411b485 | 3110 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r |
dcd70885 | 3111 | \r |
85974aef | 3112 | //\r |
3113 | // Copy remaining data, maybe 0.\r | |
3114 | //\r | |
c411b485 | 3115 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, RemainingSize);\r |
85974aef | 3116 | Offset += RemainingSize;\r |
3117 | \r | |
3118 | VariableDataSize = Offset;\r | |
3119 | }\r | |
3120 | \r | |
3121 | if ((VariableAttr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r | |
3122 | Status = CreateTimeBasedPayload (&VariableDataSize, &NewVariableData);\r | |
3123 | if (EFI_ERROR (Status)) {\r | |
3124 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
3125 | goto ON_EXIT;\r | |
3126 | }\r | |
3127 | }\r | |
3128 | \r | |
3129 | Status = gRT->SetVariable (\r | |
3130 | VariableName,\r | |
3131 | &gEfiImageSecurityDatabaseGuid,\r | |
3132 | VariableAttr,\r | |
3133 | VariableDataSize,\r | |
3134 | NewVariableData\r | |
c411b485 | 3135 | );\r |
85974aef | 3136 | if (EFI_ERROR (Status)) {\r |
3137 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r", Status));\r | |
3138 | goto ON_EXIT;\r | |
3139 | }\r | |
3140 | \r | |
3141 | ON_EXIT:\r | |
85974aef | 3142 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3143 | SECUREBOOT_FREE_NON_NULL (NewVariableData);\r | |
3144 | \r | |
3145 | return Status;\r | |
3146 | }\r | |
3147 | \r | |
02dd6af9 CZ |
3148 | /**\r |
3149 | \r | |
3150 | Update SecureBoot strings based on new Secure Boot Mode State. String includes STR_SECURE_BOOT_STATE_CONTENT\r | |
3151 | and STR_CUR_SECURE_BOOT_MODE_CONTENT.\r | |
3152 | \r | |
3153 | @param[in] PrivateData Module's private data.\r | |
3154 | \r | |
3155 | @return EFI_SUCCESS Update secure boot strings successfully.\r | |
3156 | @return other Fail to update secure boot strings.\r | |
3157 | \r | |
3158 | **/\r | |
3159 | EFI_STATUS\r | |
c411b485 | 3160 | UpdateSecureBootString (\r |
02dd6af9 | 3161 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r |
abffadf0 ZC |
3162 | )\r |
3163 | {\r | |
c411b485 | 3164 | UINT8 *SecureBoot;\r |
02dd6af9 | 3165 | \r |
e8cd9b80 CZ |
3166 | SecureBoot = NULL;\r |
3167 | \r | |
02dd6af9 CZ |
3168 | //\r |
3169 | // Get current secure boot state.\r | |
3170 | //\r | |
c411b485 | 3171 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID **)&SecureBoot, NULL);\r |
e8cd9b80 CZ |
3172 | if (SecureBoot == NULL) {\r |
3173 | return EFI_NOT_FOUND;\r | |
02dd6af9 CZ |
3174 | }\r |
3175 | \r | |
3176 | if (*SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
3177 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
3178 | } else {\r | |
3179 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
3180 | }\r | |
02dd6af9 | 3181 | \r |
c411b485 | 3182 | FreePool (SecureBoot);\r |
02dd6af9 CZ |
3183 | \r |
3184 | return EFI_SUCCESS;\r | |
3185 | }\r | |
3186 | \r | |
ecc722ad | 3187 | /**\r |
3188 | This function extracts configuration from variable.\r | |
20333c6d | 3189 | \r |
4de754e1 | 3190 | @param[in] Private Point to SecureBoot configuration driver private data.\r |
ecc722ad | 3191 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r |
3192 | \r | |
3193 | **/\r | |
3194 | VOID\r | |
3195 | SecureBootExtractConfigFromVariable (\r | |
4de754e1 | 3196 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
ecc722ad | 3197 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r |
20333c6d | 3198 | )\r |
ecc722ad | 3199 | {\r |
20333c6d | 3200 | UINT8 *SecureBootEnable;\r |
12087ff6 | 3201 | UINT8 *SetupMode;\r |
20333c6d QL |
3202 | UINT8 *SecureBootMode;\r |
3203 | EFI_TIME CurrTime;\r | |
ecc722ad | 3204 | \r |
3205 | SecureBootEnable = NULL;\r | |
12087ff6 | 3206 | SetupMode = NULL;\r |
ecc722ad | 3207 | SecureBootMode = NULL;\r |
20333c6d QL |
3208 | \r |
3209 | //\r | |
d6b926e7 | 3210 | // Initialize the Date and Time using system time.\r |
20333c6d QL |
3211 | //\r |
3212 | ConfigData->CertificateFormat = HASHALG_RAW;\r | |
c411b485 | 3213 | ConfigData->AlwaysRevocation = TRUE;\r |
20333c6d QL |
3214 | gRT->GetTime (&CurrTime, NULL);\r |
3215 | ConfigData->RevocationDate.Year = CurrTime.Year;\r | |
3216 | ConfigData->RevocationDate.Month = CurrTime.Month;\r | |
3217 | ConfigData->RevocationDate.Day = CurrTime.Day;\r | |
3218 | ConfigData->RevocationTime.Hour = CurrTime.Hour;\r | |
3219 | ConfigData->RevocationTime.Minute = CurrTime.Minute;\r | |
3220 | ConfigData->RevocationTime.Second = 0;\r | |
4de754e1 ZC |
3221 | if (Private->FileContext->FHandle != NULL) {\r |
3222 | ConfigData->FileEnrollType = Private->FileContext->FileType;\r | |
3223 | } else {\r | |
3224 | ConfigData->FileEnrollType = UNKNOWN_FILE_TYPE;\r | |
3225 | }\r | |
20333c6d | 3226 | \r |
ecc722ad | 3227 | //\r |
3228 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
3229 | //\r | |
c411b485 | 3230 | if (UserPhysicalPresent ()) {\r |
ecc722ad | 3231 | ConfigData->PhysicalPresent = TRUE;\r |
3232 | } else {\r | |
3233 | ConfigData->PhysicalPresent = FALSE;\r | |
3234 | }\r | |
20333c6d | 3235 | \r |
96832eef CZ |
3236 | //\r |
3237 | // If there is no PK then the Delete Pk button will be gray.\r | |
3238 | //\r | |
c411b485 MK |
3239 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID **)&SetupMode, NULL);\r |
3240 | if ((SetupMode == NULL) || ((*SetupMode) == SETUP_MODE)) {\r | |
96832eef | 3241 | ConfigData->HasPk = FALSE;\r |
c411b485 | 3242 | } else {\r |
96832eef CZ |
3243 | ConfigData->HasPk = TRUE;\r |
3244 | }\r | |
3245 | \r | |
126f3b1d | 3246 | //\r |
d6b926e7 | 3247 | // Check SecureBootEnable & Pk status, fix the inconsistency.\r |
126f3b1d ZC |
3248 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r |
3249 | // Checkbox.\r | |
3250 | //\r | |
3251 | ConfigData->AttemptSecureBoot = FALSE;\r | |
c411b485 | 3252 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID **)&SecureBootEnable, NULL);\r |
126f3b1d ZC |
3253 | \r |
3254 | //\r | |
d6b926e7 | 3255 | // Fix Pk and SecureBootEnable inconsistency\r |
126f3b1d | 3256 | //\r |
c411b485 | 3257 | if ((SetupMode != NULL) && ((*SetupMode) == USER_MODE)) {\r |
126f3b1d ZC |
3258 | ConfigData->HideSecureBoot = FALSE;\r |
3259 | if ((SecureBootEnable != NULL) && (*SecureBootEnable == SECURE_BOOT_ENABLE)) {\r | |
3260 | ConfigData->AttemptSecureBoot = TRUE;\r | |
3261 | }\r | |
3262 | } else {\r | |
3263 | ConfigData->HideSecureBoot = TRUE;\r | |
3264 | }\r | |
3265 | \r | |
12087ff6 ZC |
3266 | //\r |
3267 | // Get the SecureBootMode from CustomMode variable.\r | |
3268 | //\r | |
c411b485 | 3269 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID **)&SecureBootMode, NULL);\r |
12087ff6 ZC |
3270 | if (SecureBootMode == NULL) {\r |
3271 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3272 | } else {\r | |
3273 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
3274 | }\r | |
3275 | \r | |
f71ed839 | 3276 | if (SecureBootEnable != NULL) {\r |
3277 | FreePool (SecureBootEnable);\r | |
3278 | }\r | |
c411b485 | 3279 | \r |
12087ff6 ZC |
3280 | if (SetupMode != NULL) {\r |
3281 | FreePool (SetupMode);\r | |
3282 | }\r | |
c411b485 | 3283 | \r |
f71ed839 | 3284 | if (SecureBootMode != NULL) {\r |
3285 | FreePool (SecureBootMode);\r | |
3286 | }\r | |
beda2356 | 3287 | }\r |
3288 | \r | |
3289 | /**\r | |
3290 | This function allows a caller to extract the current configuration for one\r | |
3291 | or more named elements from the target driver.\r | |
3292 | \r | |
3293 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3294 | @param[in] Request A null-terminated Unicode string in\r | |
3295 | <ConfigRequest> format.\r | |
3296 | @param[out] Progress On return, points to a character in the Request\r | |
3297 | string. Points to the string's null terminator if\r | |
3298 | request was successful. Points to the most recent\r | |
3299 | '&' before the first failing name/value pair (or\r | |
3300 | the beginning of the string if the failure is in\r | |
3301 | the first name/value pair) if the request was not\r | |
3302 | successful.\r | |
3303 | @param[out] Results A null-terminated Unicode string in\r | |
3304 | <ConfigAltResp> format which has all values filled\r | |
3305 | in for the names in the Request string. String to\r | |
3306 | be allocated by the called function.\r | |
3307 | \r | |
3308 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
3309 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
3310 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
3311 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3312 | driver.\r | |
3313 | \r | |
3314 | **/\r | |
3315 | EFI_STATUS\r | |
3316 | EFIAPI\r | |
3317 | SecureBootExtractConfig (\r | |
c411b485 MK |
3318 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r |
3319 | IN CONST EFI_STRING Request,\r | |
3320 | OUT EFI_STRING *Progress,\r | |
3321 | OUT EFI_STRING *Results\r | |
beda2356 | 3322 | )\r |
3323 | {\r | |
c411b485 MK |
3324 | EFI_STATUS Status;\r |
3325 | UINTN BufferSize;\r | |
3326 | UINTN Size;\r | |
3327 | SECUREBOOT_CONFIGURATION Configuration;\r | |
3328 | EFI_STRING ConfigRequest;\r | |
3329 | EFI_STRING ConfigRequestHdr;\r | |
3330 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
3331 | BOOLEAN AllocatedRequest;\r | |
3332 | \r | |
3333 | if ((Progress == NULL) || (Results == NULL)) {\r | |
beda2356 | 3334 | return EFI_INVALID_PARAMETER;\r |
3335 | }\r | |
20333c6d | 3336 | \r |
bc0c99b3 | 3337 | AllocatedRequest = FALSE;\r |
3338 | ConfigRequestHdr = NULL;\r | |
3339 | ConfigRequest = NULL;\r | |
3340 | Size = 0;\r | |
20333c6d | 3341 | \r |
ea71453f | 3342 | ZeroMem (&Configuration, sizeof (Configuration));\r |
c411b485 MK |
3343 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3344 | *Progress = Request;\r | |
20333c6d | 3345 | \r |
beda2356 | 3346 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
3347 | return EFI_NOT_FOUND;\r | |
3348 | }\r | |
3349 | \r | |
c411b485 | 3350 | ZeroMem (&Configuration, sizeof (SECUREBOOT_CONFIGURATION));\r |
4de754e1 | 3351 | \r |
beda2356 | 3352 | //\r |
ecc722ad | 3353 | // Get Configuration from Variable.\r |
beda2356 | 3354 | //\r |
4de754e1 | 3355 | SecureBootExtractConfigFromVariable (PrivateData, &Configuration);\r |
f71ed839 | 3356 | \r |
c411b485 | 3357 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 3358 | ConfigRequest = Request;\r |
bc0c99b3 | 3359 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
3360 | //\r | |
3361 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 3362 | //\r |
3363 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
3364 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
3365 | //\r | |
3366 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
c411b485 MK |
3367 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r |
3368 | ConfigRequest = AllocateZeroPool (Size);\r | |
bc0c99b3 | 3369 | ASSERT (ConfigRequest != NULL);\r |
3370 | AllocatedRequest = TRUE;\r | |
3371 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
3372 | FreePool (ConfigRequestHdr);\r | |
3373 | ConfigRequestHdr = NULL;\r | |
3374 | }\r | |
beda2356 | 3375 | \r |
3376 | Status = gHiiConfigRouting->BlockToConfig (\r | |
3377 | gHiiConfigRouting,\r | |
3378 | ConfigRequest,\r | |
c411b485 | 3379 | (UINT8 *)&Configuration,\r |
beda2356 | 3380 | BufferSize,\r |
3381 | Results,\r | |
3382 | Progress\r | |
3383 | );\r | |
bc0c99b3 | 3384 | \r |
3385 | //\r | |
3386 | // Free the allocated config request string.\r | |
3387 | //\r | |
3388 | if (AllocatedRequest) {\r | |
3389 | FreePool (ConfigRequest);\r | |
3390 | }\r | |
3391 | \r | |
beda2356 | 3392 | //\r |
3393 | // Set Progress string to the original request string.\r | |
3394 | //\r | |
3395 | if (Request == NULL) {\r | |
3396 | *Progress = NULL;\r | |
3397 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
3398 | *Progress = Request + StrLen (Request);\r | |
3399 | }\r | |
3400 | \r | |
3401 | return Status;\r | |
3402 | }\r | |
3403 | \r | |
3404 | /**\r | |
3405 | This function processes the results of changes in configuration.\r | |
3406 | \r | |
3407 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3408 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
3409 | format.\r | |
3410 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
3411 | the most recent '&' before the first failing\r | |
3412 | name/value pair (or the beginning of the string if\r | |
3413 | the failure is in the first name/value pair) or\r | |
3414 | the terminating NULL if all was successful.\r | |
3415 | \r | |
3416 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
3417 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
3418 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3419 | driver.\r | |
3420 | \r | |
3421 | **/\r | |
3422 | EFI_STATUS\r | |
3423 | EFIAPI\r | |
3424 | SecureBootRouteConfig (\r | |
c411b485 MK |
3425 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r |
3426 | IN CONST EFI_STRING Configuration,\r | |
3427 | OUT EFI_STRING *Progress\r | |
beda2356 | 3428 | )\r |
3429 | {\r | |
c411b485 MK |
3430 | SECUREBOOT_CONFIGURATION IfrNvData;\r |
3431 | UINTN BufferSize;\r | |
3432 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
3433 | EFI_STATUS Status;\r | |
20333c6d | 3434 | \r |
c411b485 | 3435 | if ((Configuration == NULL) || (Progress == NULL)) {\r |
beda2356 | 3436 | return EFI_INVALID_PARAMETER;\r |
3437 | }\r | |
3438 | \r | |
3439 | *Progress = Configuration;\r | |
3440 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
3441 | return EFI_NOT_FOUND;\r | |
3442 | }\r | |
3443 | \r | |
4de754e1 ZC |
3444 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3445 | \r | |
a365eed4 FS |
3446 | //\r |
3447 | // Get Configuration from Variable.\r | |
3448 | //\r | |
4de754e1 | 3449 | SecureBootExtractConfigFromVariable (PrivateData, &IfrNvData);\r |
a365eed4 FS |
3450 | \r |
3451 | //\r | |
3452 | // Map the Configuration to the configuration block.\r | |
3453 | //\r | |
a2f2c258 | 3454 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
c411b485 MK |
3455 | Status = gHiiConfigRouting->ConfigToBlock (\r |
3456 | gHiiConfigRouting,\r | |
3457 | Configuration,\r | |
3458 | (UINT8 *)&IfrNvData,\r | |
3459 | &BufferSize,\r | |
3460 | Progress\r | |
3461 | );\r | |
a2f2c258 | 3462 | if (EFI_ERROR (Status)) {\r |
3463 | return Status;\r | |
3464 | }\r | |
3465 | \r | |
3466 | //\r | |
3467 | // Store Buffer Storage back to EFI variable if needed\r | |
3468 | //\r | |
126f3b1d | 3469 | if (!IfrNvData.HideSecureBoot) {\r |
a2f2c258 | 3470 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r |
3471 | if (EFI_ERROR (Status)) {\r | |
3472 | return Status;\r | |
3473 | }\r | |
3474 | }\r | |
3475 | \r | |
ecc722ad | 3476 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 3477 | return EFI_SUCCESS;\r |
3478 | }\r | |
3479 | \r | |
85974aef | 3480 | /**\r |
3481 | This function to load signature list, the update the menu page.\r | |
3482 | \r | |
3483 | @param[in] PrivateData Module's private data.\r | |
3484 | @param[in] LabelId Label number to insert opcodes.\r | |
3485 | @param[in] FormId Form ID of current page.\r | |
3486 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
3487 | \r | |
3488 | @retval EFI_SUCCESS Success to update the signature list page\r | |
3489 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3490 | **/\r | |
3491 | EFI_STATUS\r | |
3492 | LoadSignatureList (\r | |
c411b485 MK |
3493 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
3494 | IN UINT16 LabelId,\r | |
3495 | IN EFI_FORM_ID FormId,\r | |
3496 | IN EFI_QUESTION_ID QuestionIdBase\r | |
85974aef | 3497 | )\r |
3498 | {\r | |
c411b485 MK |
3499 | EFI_STATUS Status;\r |
3500 | EFI_STRING_ID ListType;\r | |
3501 | EFI_STRING FormatNameString;\r | |
3502 | EFI_STRING FormatHelpString;\r | |
3503 | EFI_STRING FormatTypeString;\r | |
3504 | EFI_SIGNATURE_LIST *ListWalker;\r | |
3505 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
3506 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
3507 | EFI_IFR_GUID_LABEL *StartGoto;\r | |
3508 | EFI_IFR_GUID_LABEL *EndGoto;\r | |
3509 | EFI_FORM_ID DstFormId;\r | |
3510 | VOID *StartOpCodeHandle;\r | |
3511 | VOID *EndOpCodeHandle;\r | |
3512 | VOID *StartGotoHandle;\r | |
3513 | VOID *EndGotoHandle;\r | |
3514 | UINTN DataSize;\r | |
3515 | UINTN RemainingSize;\r | |
3516 | UINT16 Index;\r | |
3517 | UINT8 *VariableData;\r | |
3518 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r | |
3519 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
3520 | CHAR16 HelpBuffer[BUFFER_MAX_SIZE];\r | |
3521 | \r | |
3522 | Status = EFI_SUCCESS;\r | |
3523 | FormatNameString = NULL;\r | |
3524 | FormatHelpString = NULL;\r | |
3525 | StartOpCodeHandle = NULL;\r | |
3526 | EndOpCodeHandle = NULL;\r | |
3527 | StartGotoHandle = NULL;\r | |
3528 | EndGotoHandle = NULL;\r | |
3529 | Index = 0;\r | |
3530 | VariableData = NULL;\r | |
85974aef | 3531 | \r |
3532 | //\r | |
3533 | // Initialize the container for dynamic opcodes.\r | |
3534 | //\r | |
3535 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3536 | if (StartOpCodeHandle == NULL) {\r | |
3537 | Status = EFI_OUT_OF_RESOURCES;\r | |
3538 | goto ON_EXIT;\r | |
3539 | }\r | |
3540 | \r | |
3541 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3542 | if (EndOpCodeHandle == NULL) {\r | |
3543 | Status = EFI_OUT_OF_RESOURCES;\r | |
3544 | goto ON_EXIT;\r | |
3545 | }\r | |
3546 | \r | |
3547 | StartGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3548 | if (StartGotoHandle == NULL) {\r | |
3549 | Status = EFI_OUT_OF_RESOURCES;\r | |
3550 | goto ON_EXIT;\r | |
3551 | }\r | |
3552 | \r | |
3553 | EndGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3554 | if (EndGotoHandle == NULL) {\r | |
3555 | Status = EFI_OUT_OF_RESOURCES;\r | |
3556 | goto ON_EXIT;\r | |
3557 | }\r | |
3558 | \r | |
3559 | //\r | |
3560 | // Create Hii Extend Label OpCode.\r | |
3561 | //\r | |
3562 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3563 | StartOpCodeHandle,\r | |
3564 | &gEfiIfrTianoGuid,\r | |
3565 | NULL,\r | |
3566 | sizeof (EFI_IFR_GUID_LABEL)\r | |
c411b485 MK |
3567 | );\r |
3568 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3569 | StartLabel->Number = LabelId;\r | |
85974aef | 3570 | \r |
3571 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3572 | EndOpCodeHandle,\r | |
3573 | &gEfiIfrTianoGuid,\r | |
3574 | NULL,\r | |
3575 | sizeof (EFI_IFR_GUID_LABEL)\r | |
c411b485 MK |
3576 | );\r |
3577 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3578 | EndLabel->Number = LABEL_END;\r | |
85974aef | 3579 | \r |
c411b485 | 3580 | StartGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
85974aef | 3581 | StartGotoHandle,\r |
3582 | &gEfiIfrTianoGuid,\r | |
3583 | NULL,\r | |
c411b485 MK |
3584 | sizeof (EFI_IFR_GUID_LABEL)\r |
3585 | );\r | |
3586 | StartGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3587 | StartGoto->Number = LABEL_DELETE_ALL_LIST_BUTTON;\r | |
85974aef | 3588 | \r |
c411b485 | 3589 | EndGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
85974aef | 3590 | EndGotoHandle,\r |
3591 | &gEfiIfrTianoGuid,\r | |
3592 | NULL,\r | |
c411b485 MK |
3593 | sizeof (EFI_IFR_GUID_LABEL)\r |
3594 | );\r | |
85974aef | 3595 | EndGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r |
c411b485 | 3596 | EndGoto->Number = LABEL_END;\r |
85974aef | 3597 | \r |
0085d619 | 3598 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 3599 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
85974aef | 3600 | DstFormId = FORMID_SECURE_BOOT_DB_OPTION_FORM;\r |
0085d619 | 3601 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 3602 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
85974aef | 3603 | DstFormId = FORMID_SECURE_BOOT_DBX_OPTION_FORM;\r |
0085d619 | 3604 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 3605 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 3606 | DstFormId = FORMID_SECURE_BOOT_DBT_OPTION_FORM;\r |
3607 | } else {\r | |
3608 | goto ON_EXIT;\r | |
3609 | }\r | |
3610 | \r | |
3611 | HiiCreateGotoOpCode (\r | |
3612 | StartGotoHandle,\r | |
3613 | DstFormId,\r | |
3614 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3615 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3616 | EFI_IFR_FLAG_CALLBACK,\r | |
3617 | KEY_SECURE_BOOT_DELETE_ALL_LIST\r | |
c411b485 | 3618 | );\r |
85974aef | 3619 | \r |
3620 | //\r | |
3621 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
3622 | //\r | |
3623 | DataSize = 0;\r | |
c411b485 MK |
3624 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r |
3625 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
85974aef | 3626 | goto ON_EXIT;\r |
3627 | }\r | |
3628 | \r | |
3629 | VariableData = AllocateZeroPool (DataSize);\r | |
3630 | if (VariableData == NULL) {\r | |
3631 | Status = EFI_OUT_OF_RESOURCES;\r | |
3632 | goto ON_EXIT;\r | |
3633 | }\r | |
c411b485 | 3634 | \r |
85974aef | 3635 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r |
3636 | if (EFI_ERROR (Status)) {\r | |
3637 | goto ON_EXIT;\r | |
3638 | }\r | |
3639 | \r | |
3539e850 | 3640 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_NAME_FORMAT), NULL);\r |
3641 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_HELP_FORMAT), NULL);\r | |
c411b485 | 3642 | if ((FormatNameString == NULL) || (FormatHelpString == NULL)) {\r |
3539e850 | 3643 | goto ON_EXIT;\r |
3644 | }\r | |
3645 | \r | |
85974aef | 3646 | RemainingSize = DataSize;\r |
3647 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r | |
3648 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize)) {\r | |
3649 | if (CompareGuid (&ListWalker->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
3650 | ListType = STRING_TOKEN (STR_LIST_TYPE_RSA2048_SHA256);\r | |
3651 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Guid)) {\r | |
3652 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509);\r | |
3653 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha1Guid)) {\r | |
3654 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA1);\r | |
3655 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha256Guid)) {\r | |
3656 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA256);\r | |
3657 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
3658 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA256);\r | |
3659 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
3660 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA384);\r | |
3661 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
3662 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA512);\r | |
3663 | } else {\r | |
3664 | ListType = STRING_TOKEN (STR_LIST_TYPE_UNKNOWN);\r | |
3665 | }\r | |
c411b485 | 3666 | \r |
3539e850 | 3667 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListType, NULL);\r |
3668 | if (FormatTypeString == NULL) {\r | |
3669 | goto ON_EXIT;\r | |
3670 | }\r | |
85974aef | 3671 | \r |
65c77f02 | 3672 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 3673 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
65c77f02 | 3674 | \r |
3675 | ZeroMem (HelpBuffer, sizeof (HelpBuffer));\r | |
c411b485 MK |
3676 | UnicodeSPrint (\r |
3677 | HelpBuffer,\r | |
65c77f02 | 3678 | sizeof (HelpBuffer),\r |
3539e850 | 3679 | FormatHelpString,\r |
3680 | FormatTypeString,\r | |
85974aef | 3681 | SIGNATURE_DATA_COUNTS (ListWalker)\r |
c411b485 | 3682 | );\r |
3539e850 | 3683 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
3684 | FormatTypeString = NULL;\r | |
85974aef | 3685 | \r |
3686 | HiiCreateGotoOpCode (\r | |
3687 | StartOpCodeHandle,\r | |
3688 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
3689 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
3690 | HiiSetString (PrivateData->HiiHandle, 0, HelpBuffer, NULL),\r | |
3691 | EFI_IFR_FLAG_CALLBACK,\r | |
3692 | QuestionIdBase + Index++\r | |
c411b485 | 3693 | );\r |
85974aef | 3694 | \r |
85974aef | 3695 | RemainingSize -= ListWalker->SignatureListSize;\r |
c411b485 | 3696 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r |
85974aef | 3697 | }\r |
3698 | \r | |
3699 | ON_EXIT:\r | |
3700 | HiiUpdateForm (\r | |
3701 | PrivateData->HiiHandle,\r | |
3702 | &gSecureBootConfigFormSetGuid,\r | |
3703 | FormId,\r | |
3704 | StartOpCodeHandle,\r | |
3705 | EndOpCodeHandle\r | |
c411b485 | 3706 | );\r |
85974aef | 3707 | \r |
3708 | HiiUpdateForm (\r | |
3709 | PrivateData->HiiHandle,\r | |
3710 | &gSecureBootConfigFormSetGuid,\r | |
3711 | FormId,\r | |
3712 | StartGotoHandle,\r | |
3713 | EndGotoHandle\r | |
c411b485 | 3714 | );\r |
85974aef | 3715 | \r |
3716 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
3717 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
3718 | SECUREBOOT_FREE_NON_OPCODE (StartGotoHandle);\r | |
3719 | SECUREBOOT_FREE_NON_OPCODE (EndGotoHandle);\r | |
3720 | \r | |
85974aef | 3721 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 3722 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
3723 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r | |
85974aef | 3724 | \r |
3725 | PrivateData->ListCount = Index;\r | |
3726 | \r | |
3727 | return Status;\r | |
3728 | }\r | |
3729 | \r | |
3730 | /**\r | |
3731 | Parse hash value from EFI_SIGNATURE_DATA, and save in the CHAR16 type array.\r | |
3732 | The buffer is callee allocated and should be freed by the caller.\r | |
3733 | \r | |
3734 | @param[in] ListEntry The pointer point to the signature list.\r | |
3735 | @param[in] DataEntry The signature data we are processing.\r | |
3736 | @param[out] BufferToReturn Buffer to save the hash value.\r | |
3737 | \r | |
3738 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3739 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3740 | @retval EFI_SUCCESS Operation success.\r | |
3741 | **/\r | |
3742 | EFI_STATUS\r | |
3743 | ParseHashValue (\r | |
c411b485 MK |
3744 | IN EFI_SIGNATURE_LIST *ListEntry,\r |
3745 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3746 | OUT CHAR16 **BufferToReturn\r | |
85974aef | 3747 | )\r |
3748 | {\r | |
c411b485 MK |
3749 | UINTN Index;\r |
3750 | UINTN BufferIndex;\r | |
3751 | UINTN TotalSize;\r | |
3752 | UINTN DataSize;\r | |
3753 | UINTN Line;\r | |
3754 | UINTN OneLineBytes;\r | |
85974aef | 3755 | \r |
3756 | //\r | |
3757 | // Assume that, display 8 bytes in one line.\r | |
3758 | //\r | |
3759 | OneLineBytes = 8;\r | |
3760 | \r | |
c411b485 | 3761 | if ((ListEntry == NULL) || (DataEntry == NULL) || (BufferToReturn == NULL)) {\r |
85974aef | 3762 | return EFI_INVALID_PARAMETER;\r |
3763 | }\r | |
3764 | \r | |
c411b485 MK |
3765 | DataSize = ListEntry->SignatureSize - sizeof (EFI_GUID);\r |
3766 | Line = (DataSize + OneLineBytes - 1) / OneLineBytes;\r | |
85974aef | 3767 | \r |
3768 | //\r | |
3769 | // Each byte will split two Hex-number, and each line need additional memory to save '\r\n'.\r | |
3770 | //\r | |
c411b485 | 3771 | TotalSize = ((DataSize + Line) * 2 * sizeof (CHAR16));\r |
85974aef | 3772 | \r |
c411b485 | 3773 | *BufferToReturn = AllocateZeroPool (TotalSize);\r |
85974aef | 3774 | if (*BufferToReturn == NULL) {\r |
3775 | return EFI_OUT_OF_RESOURCES;\r | |
3776 | }\r | |
3777 | \r | |
3778 | for (Index = 0, BufferIndex = 0; Index < DataSize; Index = Index + 1) {\r | |
3779 | if ((Index > 0) && (Index % OneLineBytes == 0)) {\r | |
c411b485 | 3780 | BufferIndex += UnicodeSPrint (&(*BufferToReturn)[BufferIndex], TotalSize - sizeof (CHAR16) * BufferIndex, L"\n");\r |
85974aef | 3781 | }\r |
c411b485 MK |
3782 | \r |
3783 | BufferIndex += UnicodeSPrint (&(*BufferToReturn)[BufferIndex], TotalSize - sizeof (CHAR16) * BufferIndex, L"%02x", DataEntry->SignatureData[Index]);\r | |
85974aef | 3784 | }\r |
c411b485 MK |
3785 | \r |
3786 | BufferIndex += UnicodeSPrint (&(*BufferToReturn)[BufferIndex], TotalSize - sizeof (CHAR16) * BufferIndex, L"\n");\r | |
85974aef | 3787 | \r |
3788 | return EFI_SUCCESS;\r | |
3789 | }\r | |
3790 | \r | |
3791 | /**\r | |
3792 | Function to get the common name from the X509 format certificate.\r | |
3793 | The buffer is callee allocated and should be freed by the caller.\r | |
3794 | \r | |
3795 | @param[in] ListEntry The pointer point to the signature list.\r | |
3796 | @param[in] DataEntry The signature data we are processing.\r | |
3797 | @param[out] BufferToReturn Buffer to save the CN of X509 certificate.\r | |
3798 | \r | |
3799 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3800 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3801 | @retval EFI_SUCCESS Operation success.\r | |
3802 | @retval EFI_NOT_FOUND Not found CN field in the X509 certificate.\r | |
3803 | **/\r | |
3804 | EFI_STATUS\r | |
3805 | GetCommonNameFromX509 (\r | |
c411b485 MK |
3806 | IN EFI_SIGNATURE_LIST *ListEntry,\r |
3807 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3808 | OUT CHAR16 **BufferToReturn\r | |
85974aef | 3809 | )\r |
3810 | {\r | |
c411b485 MK |
3811 | EFI_STATUS Status;\r |
3812 | CHAR8 *CNBuffer;\r | |
3813 | UINTN CNBufferSize;\r | |
85974aef | 3814 | \r |
c411b485 MK |
3815 | Status = EFI_SUCCESS;\r |
3816 | CNBuffer = NULL;\r | |
85974aef | 3817 | \r |
c411b485 | 3818 | CNBuffer = AllocateZeroPool (256);\r |
85974aef | 3819 | if (CNBuffer == NULL) {\r |
3820 | Status = EFI_OUT_OF_RESOURCES;\r | |
3821 | goto ON_EXIT;\r | |
3822 | }\r | |
3823 | \r | |
3824 | CNBufferSize = 256;\r | |
3825 | X509GetCommonName (\r | |
c411b485 MK |
3826 | (UINT8 *)DataEntry + sizeof (EFI_GUID),\r |
3827 | ListEntry->SignatureSize - sizeof (EFI_GUID),\r | |
85974aef | 3828 | CNBuffer,\r |
3829 | &CNBufferSize\r | |
c411b485 | 3830 | );\r |
85974aef | 3831 | \r |
c411b485 | 3832 | *BufferToReturn = AllocateZeroPool (256 * sizeof (CHAR16));\r |
85974aef | 3833 | if (*BufferToReturn == NULL) {\r |
3834 | Status = EFI_OUT_OF_RESOURCES;\r | |
3835 | goto ON_EXIT;\r | |
3836 | }\r | |
3837 | \r | |
3838 | AsciiStrToUnicodeStrS (CNBuffer, *BufferToReturn, 256);\r | |
3839 | \r | |
3840 | ON_EXIT:\r | |
3841 | SECUREBOOT_FREE_NON_NULL (CNBuffer);\r | |
3842 | \r | |
3843 | return Status;\r | |
3844 | }\r | |
3845 | \r | |
3846 | /**\r | |
3847 | Format the help info for the signature data, each help info contain 3 parts.\r | |
3848 | 1. Onwer Guid.\r | |
3849 | 2. Content, depends on the type of the signature list.\r | |
3850 | 3. Revocation time.\r | |
3851 | \r | |
3852 | @param[in] PrivateData Module's private data.\r | |
3853 | @param[in] ListEntry Point to the signature list.\r | |
3854 | @param[in] DataEntry Point to the signature data we are processing.\r | |
3855 | @param[out] StringId Save the string id of help info.\r | |
3856 | \r | |
3857 | @retval EFI_SUCCESS Operation success.\r | |
3858 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3859 | **/\r | |
3860 | EFI_STATUS\r | |
3861 | FormatHelpInfo (\r | |
c411b485 MK |
3862 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
3863 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3864 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3865 | OUT EFI_STRING_ID *StringId\r | |
85974aef | 3866 | )\r |
3867 | {\r | |
c411b485 MK |
3868 | EFI_STATUS Status;\r |
3869 | EFI_TIME *Time;\r | |
3870 | EFI_STRING_ID ListTypeId;\r | |
3871 | EFI_STRING FormatHelpString;\r | |
3872 | EFI_STRING FormatTypeString;\r | |
3873 | UINTN DataSize;\r | |
3874 | UINTN HelpInfoIndex;\r | |
3875 | UINTN TotalSize;\r | |
3876 | CHAR16 GuidString[BUFFER_MAX_SIZE];\r | |
3877 | CHAR16 TimeString[BUFFER_MAX_SIZE];\r | |
3878 | CHAR16 *DataString;\r | |
3879 | CHAR16 *HelpInfoString;\r | |
3880 | BOOLEAN IsCert;\r | |
3881 | \r | |
3882 | Status = EFI_SUCCESS;\r | |
3883 | Time = NULL;\r | |
3884 | FormatTypeString = NULL;\r | |
3885 | HelpInfoIndex = 0;\r | |
3886 | DataString = NULL;\r | |
3887 | HelpInfoString = NULL;\r | |
3888 | IsCert = FALSE;\r | |
3889 | \r | |
3890 | if (CompareGuid (&ListEntry->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
3891 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_RSA2048_SHA256);\r | |
3892 | DataSize = ListEntry->SignatureSize - sizeof (EFI_GUID);\r | |
3893 | IsCert = TRUE;\r | |
3894 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertX509Guid)) {\r | |
3895 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_X509);\r | |
3896 | DataSize = ListEntry->SignatureSize - sizeof (EFI_GUID);\r | |
3897 | IsCert = TRUE;\r | |
3898 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertSha1Guid)) {\r | |
3899 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_SHA1);\r | |
3900 | DataSize = 20;\r | |
3901 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertSha256Guid)) {\r | |
3902 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_SHA256);\r | |
3903 | DataSize = 32;\r | |
3904 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
3905 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_X509_SHA256);\r | |
3906 | DataSize = 32;\r | |
3907 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3908 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
3909 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_X509_SHA384);\r | |
3910 | DataSize = 48;\r | |
3911 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3912 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
3913 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_X509_SHA512);\r | |
3914 | DataSize = 64;\r | |
3915 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
85974aef | 3916 | } else {\r |
3917 | Status = EFI_UNSUPPORTED;\r | |
3918 | goto ON_EXIT;\r | |
3919 | }\r | |
3920 | \r | |
3539e850 | 3921 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListTypeId, NULL);\r |
3922 | if (FormatTypeString == NULL) {\r | |
3923 | goto ON_EXIT;\r | |
3924 | }\r | |
3925 | \r | |
c411b485 | 3926 | TotalSize = 1024;\r |
85974aef | 3927 | HelpInfoString = AllocateZeroPool (TotalSize);\r |
3928 | if (HelpInfoString == NULL) {\r | |
3929 | Status = EFI_OUT_OF_RESOURCES;\r | |
3930 | goto ON_EXIT;\r | |
3931 | }\r | |
3932 | \r | |
3933 | //\r | |
3934 | // Format GUID part.\r | |
3935 | //\r | |
65c77f02 | 3936 | ZeroMem (GuidString, sizeof (GuidString));\r |
c411b485 | 3937 | GuidToString (&DataEntry->SignatureOwner, GuidString, BUFFER_MAX_SIZE);\r |
3539e850 | 3938 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_GUID), NULL);\r |
3939 | if (FormatHelpString == NULL) {\r | |
3940 | goto ON_EXIT;\r | |
3941 | }\r | |
c411b485 | 3942 | \r |
85974aef | 3943 | HelpInfoIndex += UnicodeSPrint (\r |
3944 | &HelpInfoString[HelpInfoIndex],\r | |
c411b485 | 3945 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r |
3539e850 | 3946 | FormatHelpString,\r |
85974aef | 3947 | GuidString\r |
c411b485 | 3948 | );\r |
3539e850 | 3949 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
3950 | FormatHelpString = NULL;\r | |
85974aef | 3951 | \r |
3952 | //\r | |
3953 | // Format content part, it depends on the type of signature list, hash value or CN.\r | |
3954 | //\r | |
3955 | if (IsCert) {\r | |
3956 | GetCommonNameFromX509 (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 3957 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_CN), NULL);\r |
85974aef | 3958 | } else {\r |
3959 | //\r | |
3960 | // Format hash value for each signature data entry.\r | |
3961 | //\r | |
3962 | ParseHashValue (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 3963 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_HASH), NULL);\r |
3964 | }\r | |
c411b485 | 3965 | \r |
3539e850 | 3966 | if (FormatHelpString == NULL) {\r |
3967 | goto ON_EXIT;\r | |
85974aef | 3968 | }\r |
c411b485 | 3969 | \r |
3539e850 | 3970 | HelpInfoIndex += UnicodeSPrint (\r |
3971 | &HelpInfoString[HelpInfoIndex],\r | |
3972 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
3973 | FormatHelpString,\r | |
3974 | FormatTypeString,\r | |
3975 | DataSize,\r | |
3976 | DataString\r | |
c411b485 | 3977 | );\r |
3539e850 | 3978 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
3979 | FormatHelpString = NULL;\r | |
85974aef | 3980 | \r |
3981 | //\r | |
3982 | // Format revocation time part.\r | |
3983 | //\r | |
3984 | if (Time != NULL) {\r | |
65c77f02 | 3985 | ZeroMem (TimeString, sizeof (TimeString));\r |
85974aef | 3986 | UnicodeSPrint (\r |
3987 | TimeString,\r | |
65c77f02 | 3988 | sizeof (TimeString),\r |
85974aef | 3989 | L"%d-%d-%d %d:%d:%d",\r |
3990 | Time->Year,\r | |
3991 | Time->Month,\r | |
3992 | Time->Day,\r | |
3993 | Time->Hour,\r | |
3994 | Time->Minute,\r | |
3995 | Time->Second\r | |
c411b485 | 3996 | );\r |
3539e850 | 3997 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_TIME), NULL);\r |
3998 | if (FormatHelpString == NULL) {\r | |
3999 | goto ON_EXIT;\r | |
4000 | }\r | |
c411b485 | 4001 | \r |
85974aef | 4002 | UnicodeSPrint (\r |
4003 | &HelpInfoString[HelpInfoIndex],\r | |
4004 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
3539e850 | 4005 | FormatHelpString,\r |
85974aef | 4006 | TimeString\r |
c411b485 | 4007 | );\r |
3539e850 | 4008 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
4009 | FormatHelpString = NULL;\r | |
85974aef | 4010 | }\r |
4011 | \r | |
4012 | *StringId = HiiSetString (PrivateData->HiiHandle, 0, HelpInfoString, NULL);\r | |
85974aef | 4013 | ON_EXIT:\r |
85974aef | 4014 | SECUREBOOT_FREE_NON_NULL (DataString);\r |
85974aef | 4015 | SECUREBOOT_FREE_NON_NULL (HelpInfoString);\r |
4016 | \r | |
3539e850 | 4017 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
4018 | \r | |
85974aef | 4019 | return Status;\r |
4020 | }\r | |
4021 | \r | |
4022 | /**\r | |
ba562ca0 | 4023 | This function to load signature data under the signature list.\r |
85974aef | 4024 | \r |
4025 | @param[in] PrivateData Module's private data.\r | |
4026 | @param[in] LabelId Label number to insert opcodes.\r | |
4027 | @param[in] FormId Form ID of current page.\r | |
4028 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
4029 | @param[in] ListIndex Indicate to load which signature list.\r | |
4030 | \r | |
4031 | @retval EFI_SUCCESS Success to update the signature list page\r | |
4032 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
4033 | **/\r | |
4034 | EFI_STATUS\r | |
4035 | LoadSignatureData (\r | |
c411b485 MK |
4036 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
4037 | IN UINT16 LabelId,\r | |
4038 | IN EFI_FORM_ID FormId,\r | |
4039 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
4040 | IN UINT16 ListIndex\r | |
85974aef | 4041 | )\r |
4042 | {\r | |
c411b485 MK |
4043 | EFI_STATUS Status;\r |
4044 | EFI_SIGNATURE_LIST *ListWalker;\r | |
4045 | EFI_SIGNATURE_DATA *DataWalker;\r | |
4046 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
4047 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
4048 | EFI_STRING_ID HelpStringId;\r | |
4049 | EFI_STRING FormatNameString;\r | |
4050 | VOID *StartOpCodeHandle;\r | |
4051 | VOID *EndOpCodeHandle;\r | |
4052 | UINTN DataSize;\r | |
4053 | UINTN RemainingSize;\r | |
4054 | UINT16 Index;\r | |
4055 | UINT8 *VariableData;\r | |
4056 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r | |
4057 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
4058 | \r | |
4059 | Status = EFI_SUCCESS;\r | |
4060 | FormatNameString = NULL;\r | |
4061 | StartOpCodeHandle = NULL;\r | |
4062 | EndOpCodeHandle = NULL;\r | |
4063 | Index = 0;\r | |
4064 | VariableData = NULL;\r | |
85974aef | 4065 | \r |
4066 | //\r | |
4067 | // Initialize the container for dynamic opcodes.\r | |
4068 | //\r | |
4069 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4070 | if (StartOpCodeHandle == NULL) {\r | |
4071 | Status = EFI_OUT_OF_RESOURCES;\r | |
4072 | goto ON_EXIT;\r | |
4073 | }\r | |
4074 | \r | |
4075 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4076 | if (EndOpCodeHandle == NULL) {\r | |
4077 | Status = EFI_OUT_OF_RESOURCES;\r | |
4078 | goto ON_EXIT;\r | |
4079 | }\r | |
4080 | \r | |
4081 | //\r | |
4082 | // Create Hii Extend Label OpCode.\r | |
4083 | //\r | |
4084 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4085 | StartOpCodeHandle,\r | |
4086 | &gEfiIfrTianoGuid,\r | |
4087 | NULL,\r | |
4088 | sizeof (EFI_IFR_GUID_LABEL)\r | |
c411b485 MK |
4089 | );\r |
4090 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4091 | StartLabel->Number = LabelId;\r | |
85974aef | 4092 | \r |
4093 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4094 | EndOpCodeHandle,\r | |
4095 | &gEfiIfrTianoGuid,\r | |
4096 | NULL,\r | |
4097 | sizeof (EFI_IFR_GUID_LABEL)\r | |
c411b485 MK |
4098 | );\r |
4099 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4100 | EndLabel->Number = LABEL_END;\r | |
85974aef | 4101 | \r |
0085d619 | 4102 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 4103 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 4104 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 4105 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 4106 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 4107 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 4108 | } else {\r |
4109 | goto ON_EXIT;\r | |
4110 | }\r | |
4111 | \r | |
4112 | //\r | |
4113 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
4114 | //\r | |
4115 | DataSize = 0;\r | |
c411b485 MK |
4116 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r |
4117 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
85974aef | 4118 | goto ON_EXIT;\r |
4119 | }\r | |
4120 | \r | |
4121 | VariableData = AllocateZeroPool (DataSize);\r | |
4122 | if (VariableData == NULL) {\r | |
4123 | Status = EFI_OUT_OF_RESOURCES;\r | |
4124 | goto ON_EXIT;\r | |
4125 | }\r | |
c411b485 | 4126 | \r |
85974aef | 4127 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r |
4128 | if (EFI_ERROR (Status)) {\r | |
4129 | goto ON_EXIT;\r | |
4130 | }\r | |
4131 | \r | |
85974aef | 4132 | RemainingSize = DataSize;\r |
c411b485 | 4133 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r |
85974aef | 4134 | \r |
4135 | //\r | |
4136 | // Skip signature list.\r | |
4137 | //\r | |
4138 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex-- > 0) {\r | |
4139 | RemainingSize -= ListWalker->SignatureListSize;\r | |
c411b485 | 4140 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r |
85974aef | 4141 | }\r |
4142 | \r | |
3539e850 | 4143 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_NAME_FORMAT), NULL);\r |
4144 | if (FormatNameString == NULL) {\r | |
4145 | goto ON_EXIT;\r | |
4146 | }\r | |
4147 | \r | |
c411b485 MK |
4148 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
4149 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS (ListWalker); Index = Index + 1) {\r | |
85974aef | 4150 | //\r |
4151 | // Format name buffer.\r | |
4152 | //\r | |
65c77f02 | 4153 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 4154 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
85974aef | 4155 | \r |
4156 | //\r | |
4157 | // Format help info buffer.\r | |
4158 | //\r | |
4159 | Status = FormatHelpInfo (PrivateData, ListWalker, DataWalker, &HelpStringId);\r | |
4160 | if (EFI_ERROR (Status)) {\r | |
4161 | goto ON_EXIT;\r | |
4162 | }\r | |
4163 | \r | |
4164 | HiiCreateCheckBoxOpCode (\r | |
4165 | StartOpCodeHandle,\r | |
4166 | (EFI_QUESTION_ID)(QuestionIdBase + Index),\r | |
4167 | 0,\r | |
4168 | 0,\r | |
4169 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
4170 | HelpStringId,\r | |
4171 | EFI_IFR_FLAG_CALLBACK,\r | |
4172 | 0,\r | |
4173 | NULL\r | |
c411b485 | 4174 | );\r |
85974aef | 4175 | \r |
c411b485 | 4176 | ZeroMem (NameBuffer, 100);\r |
85974aef | 4177 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r |
4178 | }\r | |
4179 | \r | |
4180 | //\r | |
4181 | // Allocate a buffer to record which signature data will be checked.\r | |
4182 | // This memory buffer will be freed when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
4183 | //\r | |
4184 | PrivateData->CheckArray = AllocateZeroPool (SIGNATURE_DATA_COUNTS (ListWalker) * sizeof (BOOLEAN));\r | |
85974aef | 4185 | ON_EXIT:\r |
4186 | HiiUpdateForm (\r | |
4187 | PrivateData->HiiHandle,\r | |
4188 | &gSecureBootConfigFormSetGuid,\r | |
4189 | FormId,\r | |
4190 | StartOpCodeHandle,\r | |
4191 | EndOpCodeHandle\r | |
c411b485 | 4192 | );\r |
85974aef | 4193 | \r |
4194 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
4195 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
4196 | \r | |
85974aef | 4197 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 4198 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
85974aef | 4199 | \r |
4200 | return Status;\r | |
4201 | }\r | |
4202 | \r | |
55266a9b GB |
4203 | /**\r |
4204 | This function reinitializes Secure Boot variables with default values.\r | |
4205 | \r | |
4206 | @retval EFI_SUCCESS Success to update the signature list page\r | |
4207 | @retval others Fail to delete or enroll signature data.\r | |
4208 | **/\r | |
4209 | STATIC EFI_STATUS\r | |
4210 | EFIAPI\r | |
4211 | KeyEnrollReset (\r | |
4212 | VOID\r | |
4213 | )\r | |
4214 | {\r | |
4215 | EFI_STATUS Status;\r | |
4216 | UINT8 SetupMode;\r | |
4217 | \r | |
4218 | Status = EFI_SUCCESS;\r | |
4219 | \r | |
4220 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
c411b485 | 4221 | if (EFI_ERROR (Status)) {\r |
55266a9b GB |
4222 | return Status;\r |
4223 | }\r | |
4224 | \r | |
4225 | // Clear all the keys and databases\r | |
4226 | Status = DeleteDb ();\r | |
4227 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
4228 | DEBUG ((DEBUG_ERROR, "Fail to clear DB: %r\n", Status));\r | |
4229 | return Status;\r | |
4230 | }\r | |
4231 | \r | |
4232 | Status = DeleteDbx ();\r | |
4233 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
4234 | DEBUG ((DEBUG_ERROR, "Fail to clear DBX: %r\n", Status));\r | |
4235 | return Status;\r | |
4236 | }\r | |
4237 | \r | |
4238 | Status = DeleteDbt ();\r | |
4239 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
4240 | DEBUG ((DEBUG_ERROR, "Fail to clear DBT: %r\n", Status));\r | |
4241 | return Status;\r | |
4242 | }\r | |
4243 | \r | |
4244 | Status = DeleteKEK ();\r | |
4245 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
4246 | DEBUG ((DEBUG_ERROR, "Fail to clear KEK: %r\n", Status));\r | |
4247 | return Status;\r | |
4248 | }\r | |
4249 | \r | |
4250 | Status = DeletePlatformKey ();\r | |
4251 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
4252 | DEBUG ((DEBUG_ERROR, "Fail to clear PK: %r\n", Status));\r | |
4253 | return Status;\r | |
4254 | }\r | |
4255 | \r | |
4256 | // After PK clear, Setup Mode shall be enabled\r | |
4257 | Status = GetSetupMode (&SetupMode);\r | |
4258 | if (EFI_ERROR (Status)) {\r | |
c411b485 MK |
4259 | DEBUG ((\r |
4260 | DEBUG_ERROR,\r | |
4261 | "Cannot get SetupMode variable: %r\n",\r | |
4262 | Status\r | |
4263 | ));\r | |
55266a9b GB |
4264 | return Status;\r |
4265 | }\r | |
4266 | \r | |
4267 | if (SetupMode == USER_MODE) {\r | |
c411b485 | 4268 | DEBUG ((DEBUG_INFO, "Skipped - USER_MODE\n"));\r |
55266a9b GB |
4269 | return EFI_SUCCESS;\r |
4270 | }\r | |
4271 | \r | |
4272 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
4273 | if (EFI_ERROR (Status)) {\r | |
c411b485 MK |
4274 | DEBUG ((\r |
4275 | DEBUG_ERROR,\r | |
4276 | "Cannot set CUSTOM_SECURE_BOOT_MODE: %r\n",\r | |
4277 | Status\r | |
4278 | ));\r | |
55266a9b GB |
4279 | return EFI_SUCCESS;\r |
4280 | }\r | |
4281 | \r | |
4282 | // Enroll all the keys from default variables\r | |
4283 | Status = EnrollDbFromDefault ();\r | |
4284 | if (EFI_ERROR (Status)) {\r | |
4285 | DEBUG ((DEBUG_ERROR, "Cannot enroll db: %r\n", Status));\r | |
4286 | goto error;\r | |
4287 | }\r | |
4288 | \r | |
4289 | Status = EnrollDbxFromDefault ();\r | |
4290 | if (EFI_ERROR (Status)) {\r | |
4291 | DEBUG ((DEBUG_ERROR, "Cannot enroll dbx: %r\n", Status));\r | |
4292 | }\r | |
4293 | \r | |
4294 | Status = EnrollDbtFromDefault ();\r | |
4295 | if (EFI_ERROR (Status)) {\r | |
4296 | DEBUG ((DEBUG_ERROR, "Cannot enroll dbt: %r\n", Status));\r | |
4297 | }\r | |
4298 | \r | |
4299 | Status = EnrollKEKFromDefault ();\r | |
4300 | if (EFI_ERROR (Status)) {\r | |
4301 | DEBUG ((DEBUG_ERROR, "Cannot enroll KEK: %r\n", Status));\r | |
4302 | goto cleardbs;\r | |
4303 | }\r | |
4304 | \r | |
4305 | Status = EnrollPKFromDefault ();\r | |
4306 | if (EFI_ERROR (Status)) {\r | |
4307 | DEBUG ((DEBUG_ERROR, "Cannot enroll PK: %r\n", Status));\r | |
4308 | goto clearKEK;\r | |
4309 | }\r | |
4310 | \r | |
4311 | Status = SetSecureBootMode (STANDARD_SECURE_BOOT_MODE);\r | |
4312 | if (EFI_ERROR (Status)) {\r | |
c411b485 MK |
4313 | DEBUG ((\r |
4314 | DEBUG_ERROR,\r | |
4315 | "Cannot set CustomMode to STANDARD_SECURE_BOOT_MODE\n"\r | |
4316 | "Please do it manually, otherwise system can be easily compromised\n"\r | |
4317 | ));\r | |
55266a9b GB |
4318 | }\r |
4319 | \r | |
4320 | return Status;\r | |
4321 | \r | |
4322 | clearKEK:\r | |
4323 | DeleteKEK ();\r | |
4324 | \r | |
4325 | cleardbs:\r | |
4326 | DeleteDbt ();\r | |
4327 | DeleteDbx ();\r | |
4328 | DeleteDb ();\r | |
4329 | \r | |
4330 | error:\r | |
4331 | if (SetSecureBootMode (STANDARD_SECURE_BOOT_MODE) != EFI_SUCCESS) {\r | |
4332 | DEBUG ((DEBUG_ERROR, "Cannot set mode to Secure: %r\n", Status));\r | |
4333 | }\r | |
c411b485 | 4334 | \r |
55266a9b GB |
4335 | return Status;\r |
4336 | }\r | |
4337 | \r | |
beda2356 | 4338 | /**\r |
ecc722ad | 4339 | This function is called to provide results data to the driver.\r |
beda2356 | 4340 | \r |
4341 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
4342 | @param[in] Action Specifies the type of action taken by the browser.\r | |
4343 | @param[in] QuestionId A unique value which is sent to the original\r | |
4344 | exporting driver so that it can identify the type\r | |
4345 | of data to expect.\r | |
4346 | @param[in] Type The type of value for the question.\r | |
4347 | @param[in] Value A pointer to the data being sent to the original\r | |
4348 | exporting driver.\r | |
4349 | @param[out] ActionRequest On return, points to the action requested by the\r | |
4350 | callback function.\r | |
4351 | \r | |
4352 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
4353 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
4354 | variable and its data.\r | |
4355 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
4356 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
4357 | callback.\r | |
4358 | \r | |
4359 | **/\r | |
4360 | EFI_STATUS\r | |
4361 | EFIAPI\r | |
4362 | SecureBootCallback (\r | |
c411b485 MK |
4363 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r |
4364 | IN EFI_BROWSER_ACTION Action,\r | |
4365 | IN EFI_QUESTION_ID QuestionId,\r | |
4366 | IN UINT8 Type,\r | |
4367 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
4368 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
beda2356 | 4369 | )\r |
4370 | {\r | |
ecc722ad | 4371 | EFI_INPUT_KEY Key;\r |
20333c6d | 4372 | EFI_STATUS Status;\r |
2a085774 | 4373 | RETURN_STATUS RStatus;\r |
ecc722ad | 4374 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r |
4375 | UINTN BufferSize;\r | |
4376 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
4377 | UINT16 LabelId;\r | |
bf4a3dbd | 4378 | UINT8 *SecureBootEnable;\r |
126f3b1d | 4379 | UINT8 *Pk;\r |
f71ed839 | 4380 | UINT8 *SecureBootMode;\r |
12087ff6 | 4381 | UINT8 *SetupMode;\r |
e4d7370d | 4382 | CHAR16 PromptString[100];\r |
762d8ddb | 4383 | EFI_DEVICE_PATH_PROTOCOL *File;\r |
4de754e1 ZC |
4384 | UINTN NameLength;\r |
4385 | UINT16 *FilePostFix;\r | |
4386 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
488aab25 | 4387 | BOOLEAN GetBrowserDataResult;\r |
5396354b | 4388 | ENROLL_KEY_ERROR EnrollKeyErrorCode;\r |
55266a9b GB |
4389 | EFI_HII_POPUP_PROTOCOL *HiiPopup;\r |
4390 | EFI_HII_POPUP_SELECTION UserSelection;\r | |
bf4a3dbd | 4391 | \r |
5396354b JG |
4392 | Status = EFI_SUCCESS;\r |
4393 | SecureBootEnable = NULL;\r | |
4394 | SecureBootMode = NULL;\r | |
4395 | SetupMode = NULL;\r | |
4396 | File = NULL;\r | |
4397 | EnrollKeyErrorCode = None_Error;\r | |
bc0c99b3 | 4398 | \r |
beda2356 | 4399 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
4400 | return EFI_INVALID_PARAMETER;\r | |
4401 | }\r | |
12087ff6 | 4402 | \r |
96832eef CZ |
4403 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
4404 | \r | |
762d8ddb DB |
4405 | gSecureBootPrivateData = Private;\r |
4406 | \r | |
96832eef CZ |
4407 | //\r |
4408 | // Retrieve uncommitted data from Browser\r | |
4409 | //\r | |
4410 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
c411b485 | 4411 | IfrNvData = AllocateZeroPool (BufferSize);\r |
96832eef CZ |
4412 | if (IfrNvData == NULL) {\r |
4413 | return EFI_OUT_OF_RESOURCES;\r | |
4414 | }\r | |
4415 | \r | |
c411b485 | 4416 | GetBrowserDataResult = HiiGetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *)IfrNvData);\r |
beda2356 | 4417 | \r |
a365eed4 FS |
4418 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
4419 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
02dd6af9 CZ |
4420 | //\r |
4421 | // Update secure boot strings when opening this form\r | |
4422 | //\r | |
c411b485 | 4423 | Status = UpdateSecureBootString (Private);\r |
4de754e1 | 4424 | SecureBootExtractConfigFromVariable (Private, IfrNvData);\r |
a365eed4 | 4425 | mIsEnterSecureBootForm = TRUE;\r |
4de754e1 ZC |
4426 | } else {\r |
4427 | //\r | |
4428 | // When entering SecureBoot OPTION Form\r | |
4429 | // always close opened file & free resource\r | |
4430 | //\r | |
4431 | if ((QuestionId == KEY_SECURE_BOOT_PK_OPTION) ||\r | |
4432 | (QuestionId == KEY_SECURE_BOOT_KEK_OPTION) ||\r | |
4433 | (QuestionId == KEY_SECURE_BOOT_DB_OPTION) ||\r | |
4434 | (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) ||\r | |
c411b485 MK |
4435 | (QuestionId == KEY_SECURE_BOOT_DBT_OPTION))\r |
4436 | {\r | |
4437 | CloseEnrolledFile (Private->FileContext);\r | |
85974aef | 4438 | } else if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_LIST) {\r |
4439 | //\r | |
4440 | // Update ListCount field in varstore\r | |
4441 | // Button "Delete All Signature List" is\r | |
4442 | // enable when ListCount is greater than 0.\r | |
4443 | //\r | |
4444 | IfrNvData->ListCount = Private->ListCount;\r | |
4de754e1 | 4445 | }\r |
a365eed4 | 4446 | }\r |
c411b485 | 4447 | \r |
96832eef | 4448 | goto EXIT;\r |
a365eed4 | 4449 | }\r |
20333c6d | 4450 | \r |
a365eed4 FS |
4451 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r |
4452 | Status = EFI_UNSUPPORTED;\r | |
4453 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
4454 | if (mIsEnterSecureBootForm) {\r | |
4455 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
c411b485 | 4456 | Status = EFI_SUCCESS;\r |
a365eed4 | 4457 | }\r |
b3548d32 | 4458 | }\r |
c411b485 | 4459 | \r |
96832eef | 4460 | goto EXIT;\r |
a365eed4 | 4461 | }\r |
20333c6d | 4462 | \r |
f71ed839 | 4463 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
4464 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 4465 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
c411b485 MK |
4466 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD))\r |
4467 | {\r | |
96832eef CZ |
4468 | Status = EFI_UNSUPPORTED;\r |
4469 | goto EXIT;\r | |
beda2356 | 4470 | }\r |
bc0c99b3 | 4471 | \r |
ecc722ad | 4472 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r |
ecc722ad | 4473 | switch (QuestionId) {\r |
c411b485 MK |
4474 | case KEY_SECURE_BOOT_ENABLE:\r |
4475 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID **)&SecureBootEnable, NULL);\r | |
4476 | if (NULL != SecureBootEnable) {\r | |
4477 | FreePool (SecureBootEnable);\r | |
4478 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r | |
4479 | CreatePopUp (\r | |
4480 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4481 | &Key,\r | |
4482 | L"Only Physical Presence User could disable secure boot!",\r | |
4483 | NULL\r | |
4484 | );\r | |
4485 | Status = EFI_UNSUPPORTED;\r | |
4486 | } else {\r | |
4487 | CreatePopUp (\r | |
4488 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4489 | &Key,\r | |
4490 | L"Configuration changed, please reset the platform to take effect!",\r | |
4491 | NULL\r | |
4492 | );\r | |
4493 | }\r | |
ecc722ad | 4494 | }\r |
ecc722ad | 4495 | \r |
c411b485 MK |
4496 | break;\r |
4497 | \r | |
4498 | case KEY_SECURE_BOOT_KEK_OPTION:\r | |
4499 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
4500 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
4501 | case KEY_SECURE_BOOT_DBT_OPTION:\r | |
4502 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r | |
4503 | //\r | |
4504 | // Clear Signature GUID.\r | |
4505 | //\r | |
4506 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
ecc722ad | 4507 | if (Private->SignatureGUID == NULL) {\r |
c411b485 MK |
4508 | Private->SignatureGUID = (EFI_GUID *)AllocateZeroPool (sizeof (EFI_GUID));\r |
4509 | if (Private->SignatureGUID == NULL) {\r | |
4510 | return EFI_OUT_OF_RESOURCES;\r | |
4511 | }\r | |
ecc722ad | 4512 | }\r |
beda2356 | 4513 | \r |
c411b485 MK |
4514 | //\r |
4515 | // Cleanup VFRData once leaving PK/KEK/DB/DBX/DBT enroll/delete page\r | |
4516 | //\r | |
4517 | SecureBootExtractConfigFromVariable (PrivateData, IfrNvData);\r | |
4518 | \r | |
4519 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r | |
4520 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
4521 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
4522 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
4523 | } else if (QuestionId == KEY_SECURE_BOOT_DBT_OPTION) {\r | |
4524 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;\r | |
4525 | } else {\r | |
4526 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
4527 | }\r | |
762d8ddb | 4528 | \r |
c411b485 MK |
4529 | //\r |
4530 | // Refresh selected file.\r | |
4531 | //\r | |
4532 | CleanUpPage (LabelId, Private);\r | |
4533 | break;\r | |
4534 | case KEY_SECURE_BOOT_PK_OPTION:\r | |
4535 | LabelId = FORMID_ENROLL_PK_FORM;\r | |
4536 | //\r | |
4537 | // Refresh selected file.\r | |
4538 | //\r | |
4539 | CleanUpPage (LabelId, Private);\r | |
4540 | break;\r | |
20333c6d | 4541 | \r |
c411b485 MK |
4542 | case FORMID_ENROLL_PK_FORM:\r |
4543 | ChooseFile (NULL, NULL, UpdatePKFromFile, &File);\r | |
4544 | break;\r | |
762d8ddb | 4545 | \r |
c411b485 MK |
4546 | case FORMID_ENROLL_KEK_FORM:\r |
4547 | ChooseFile (NULL, NULL, UpdateKEKFromFile, &File);\r | |
4548 | break;\r | |
762d8ddb | 4549 | \r |
c411b485 MK |
4550 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r |
4551 | ChooseFile (NULL, NULL, UpdateDBFromFile, &File);\r | |
4552 | break;\r | |
4de754e1 | 4553 | \r |
c411b485 MK |
4554 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r |
4555 | ChooseFile (NULL, NULL, UpdateDBXFromFile, &File);\r | |
4de754e1 | 4556 | \r |
c411b485 | 4557 | if (Private->FileContext->FHandle != NULL) {\r |
4de754e1 | 4558 | //\r |
c411b485 | 4559 | // Parse the file's postfix.\r |
4de754e1 | 4560 | //\r |
c411b485 MK |
4561 | NameLength = StrLen (Private->FileContext->FileName);\r |
4562 | if (NameLength <= 4) {\r | |
4563 | return FALSE;\r | |
4564 | }\r | |
4de754e1 | 4565 | \r |
c411b485 MK |
4566 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r |
4567 | \r | |
4568 | if (IsDerEncodeCertificate (FilePostFix)) {\r | |
4569 | //\r | |
4570 | // Supports DER-encoded X509 certificate.\r | |
4571 | //\r | |
4572 | IfrNvData->FileEnrollType = X509_CERT_FILE_TYPE;\r | |
4573 | } else if (IsAuthentication2Format (Private->FileContext->FHandle)) {\r | |
4574 | IfrNvData->FileEnrollType = AUTHENTICATION_2_FILE_TYPE;\r | |
4575 | } else {\r | |
4576 | IfrNvData->FileEnrollType = PE_IMAGE_FILE_TYPE;\r | |
4577 | }\r | |
ecc722ad | 4578 | \r |
c411b485 | 4579 | Private->FileContext->FileType = IfrNvData->FileEnrollType;\r |
ecc722ad | 4580 | \r |
c411b485 MK |
4581 | //\r |
4582 | // Clean up Certificate Format if File type is not X509 DER\r | |
4583 | //\r | |
4584 | if (IfrNvData->FileEnrollType != X509_CERT_FILE_TYPE) {\r | |
4585 | IfrNvData->CertificateFormat = HASHALG_RAW;\r | |
f71ed839 | 4586 | }\r |
c411b485 MK |
4587 | \r |
4588 | DEBUG ((DEBUG_ERROR, "IfrNvData->FileEnrollType %d\n", Private->FileContext->FileType));\r | |
ecc722ad | 4589 | }\r |
ecc722ad | 4590 | \r |
c411b485 | 4591 | break;\r |
ecc722ad | 4592 | \r |
c411b485 MK |
4593 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBT:\r |
4594 | ChooseFile (NULL, NULL, UpdateDBTFromFile, &File);\r | |
4595 | break;\r | |
ecc722ad | 4596 | \r |
c411b485 MK |
4597 | case KEY_SECURE_BOOT_DELETE_PK:\r |
4598 | if (Value->u8) {\r | |
4599 | CreatePopUp (\r | |
4600 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4601 | &Key,\r | |
4602 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
4603 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
4604 | NULL\r | |
4605 | );\r | |
4606 | if ((Key.UnicodeChar == 'y') || (Key.UnicodeChar == 'Y')) {\r | |
4607 | Status = DeletePlatformKey ();\r | |
4608 | if (EFI_ERROR (Status)) {\r | |
4609 | CreatePopUp (\r | |
4610 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4611 | &Key,\r | |
4612 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
4613 | NULL\r | |
4614 | );\r | |
4615 | }\r | |
4616 | }\r | |
4617 | }\r | |
85974aef | 4618 | \r |
c411b485 | 4619 | break;\r |
85974aef | 4620 | \r |
c411b485 MK |
4621 | case KEY_DELETE_KEK:\r |
4622 | UpdateDeletePage (\r | |
4623 | Private,\r | |
4624 | EFI_KEY_EXCHANGE_KEY_NAME,\r | |
4625 | &gEfiGlobalVariableGuid,\r | |
4626 | LABEL_KEK_DELETE,\r | |
4627 | FORMID_DELETE_KEK_FORM,\r | |
4628 | OPTION_DEL_KEK_QUESTION_ID\r | |
4629 | );\r | |
4630 | break;\r | |
85974aef | 4631 | \r |
c411b485 MK |
4632 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB:\r |
4633 | UpdateDeletePage (\r | |
4634 | Private,\r | |
4635 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4636 | &gEfiImageSecurityDatabaseGuid,\r | |
4637 | LABEL_DB_DELETE,\r | |
4638 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
4639 | OPTION_DEL_DB_QUESTION_ID\r | |
4640 | );\r | |
4641 | break;\r | |
ecc722ad | 4642 | \r |
85974aef | 4643 | //\r |
c411b485 | 4644 | // From DBX option to the level-1 form, display signature list.\r |
85974aef | 4645 | //\r |
c411b485 MK |
4646 | case KEY_VALUE_FROM_DBX_TO_LIST_FORM:\r |
4647 | Private->VariableName = Variable_DBX;\r | |
4648 | LoadSignatureList (\r | |
4649 | Private,\r | |
4650 | LABEL_SIGNATURE_LIST_START,\r | |
4651 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4652 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4653 | );\r | |
4654 | break;\r | |
85974aef | 4655 | \r |
4656 | //\r | |
c411b485 | 4657 | // Delete all signature list and reload.\r |
85974aef | 4658 | //\r |
c411b485 | 4659 | case KEY_SECURE_BOOT_DELETE_ALL_LIST:\r |
ee79ac8d | 4660 | CreatePopUp (\r |
4661 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4662 | &Key,\r | |
c411b485 MK |
4663 | L"Press 'Y' to delete signature list.",\r |
4664 | L"Press other key to cancel and exit.",\r | |
ee79ac8d | 4665 | NULL\r |
4666 | );\r | |
ecc722ad | 4667 | \r |
c411b485 MK |
4668 | if ((Key.UnicodeChar == L'Y') || (Key.UnicodeChar == L'y')) {\r |
4669 | DeleteSignatureEx (Private, Delete_Signature_List_All, IfrNvData->CheckedDataCount);\r | |
4670 | }\r | |
ecc722ad | 4671 | \r |
c411b485 MK |
4672 | LoadSignatureList (\r |
4673 | Private,\r | |
4674 | LABEL_SIGNATURE_LIST_START,\r | |
4675 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4676 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
20333c6d | 4677 | );\r |
4de754e1 | 4678 | break;\r |
20333c6d | 4679 | \r |
c411b485 MK |
4680 | //\r |
4681 | // Delete one signature list and reload.\r | |
4682 | //\r | |
4683 | case KEY_SECURE_BOOT_DELETE_ALL_DATA:\r | |
ee79ac8d | 4684 | CreatePopUp (\r |
4685 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4686 | &Key,\r | |
c411b485 MK |
4687 | L"Press 'Y' to delete signature data.",\r |
4688 | L"Press other key to cancel and exit.",\r | |
ee79ac8d | 4689 | NULL\r |
4690 | );\r | |
ecc722ad | 4691 | \r |
c411b485 MK |
4692 | if ((Key.UnicodeChar == L'Y') || (Key.UnicodeChar == L'y')) {\r |
4693 | DeleteSignatureEx (Private, Delete_Signature_List_One, IfrNvData->CheckedDataCount);\r | |
4694 | }\r | |
4695 | \r | |
4696 | LoadSignatureList (\r | |
4697 | Private,\r | |
4698 | LABEL_SIGNATURE_LIST_START,\r | |
4699 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4700 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
20333c6d | 4701 | );\r |
c411b485 MK |
4702 | break;\r |
4703 | \r | |
5396354b | 4704 | //\r |
c411b485 | 4705 | // Delete checked signature data and reload.\r |
5396354b | 4706 | //\r |
c411b485 | 4707 | case KEY_SECURE_BOOT_DELETE_CHECK_DATA:\r |
762d8ddb DB |
4708 | CreatePopUp (\r |
4709 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4710 | &Key,\r | |
c411b485 MK |
4711 | L"Press 'Y' to delete signature data.",\r |
4712 | L"Press other key to cancel and exit.",\r | |
762d8ddb DB |
4713 | NULL\r |
4714 | );\r | |
c411b485 MK |
4715 | \r |
4716 | if ((Key.UnicodeChar == L'Y') || (Key.UnicodeChar == L'y')) {\r | |
4717 | DeleteSignatureEx (Private, Delete_Signature_Data, IfrNvData->CheckedDataCount);\r | |
4718 | }\r | |
4719 | \r | |
4720 | LoadSignatureList (\r | |
ecc722ad | 4721 | Private,\r |
c411b485 MK |
4722 | LABEL_SIGNATURE_LIST_START,\r |
4723 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4724 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
ecc722ad | 4725 | );\r |
c411b485 MK |
4726 | break;\r |
4727 | \r | |
4728 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBT:\r | |
4729 | UpdateDeletePage (\r | |
20333c6d QL |
4730 | Private,\r |
4731 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4732 | &gEfiImageSecurityDatabaseGuid,\r | |
4733 | LABEL_DBT_DELETE,\r | |
4734 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
c411b485 | 4735 | OPTION_DEL_DBT_QUESTION_ID\r |
20333c6d | 4736 | );\r |
ecc722ad | 4737 | \r |
c411b485 | 4738 | break;\r |
20333c6d | 4739 | \r |
c411b485 MK |
4740 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r |
4741 | Status = EnrollKeyExchangeKey (Private);\r | |
4742 | if (EFI_ERROR (Status)) {\r | |
4743 | CreatePopUp (\r | |
4744 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4745 | &Key,\r | |
4746 | L"ERROR: Unsupported file type!",\r | |
4747 | L"Only supports DER-encoded X509 certificate",\r | |
4748 | NULL\r | |
4749 | );\r | |
4750 | }\r | |
4751 | \r | |
4752 | break;\r | |
4753 | \r | |
4754 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
4755 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
4756 | if (EFI_ERROR (Status)) {\r | |
4757 | CreatePopUp (\r | |
4758 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4759 | &Key,\r | |
4760 | L"ERROR: Unsupported file type!",\r | |
4761 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
4762 | NULL\r | |
4763 | );\r | |
4764 | }\r | |
4765 | \r | |
4766 | break;\r | |
4767 | \r | |
4768 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
4769 | if (IsX509CertInDbx (Private, EFI_IMAGE_SECURITY_DATABASE1)) {\r | |
4770 | CreatePopUp (\r | |
4771 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4772 | &Key,\r | |
4773 | L"Enrollment failed! Same certificate had already been in the dbx!",\r | |
4774 | NULL\r | |
4775 | );\r | |
4776 | \r | |
4777 | //\r | |
4778 | // Cert already exists in DBX. Close opened file before exit.\r | |
4779 | //\r | |
4780 | CloseEnrolledFile (Private->FileContext);\r | |
4781 | break;\r | |
4782 | }\r | |
4783 | \r | |
4784 | if ((IfrNvData != NULL) && (IfrNvData->CertificateFormat < HASHALG_MAX)) {\r | |
4785 | Status = EnrollX509HashtoSigDB (\r | |
4786 | Private,\r | |
4787 | IfrNvData->CertificateFormat,\r | |
4788 | &IfrNvData->RevocationDate,\r | |
4789 | &IfrNvData->RevocationTime,\r | |
4790 | IfrNvData->AlwaysRevocation\r | |
4791 | );\r | |
4792 | IfrNvData->CertificateFormat = HASHALG_RAW;\r | |
4793 | } else {\r | |
4794 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
4795 | }\r | |
4796 | \r | |
4797 | if (EFI_ERROR (Status)) {\r | |
4798 | CreatePopUp (\r | |
4799 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4800 | &Key,\r | |
4801 | L"ERROR: Unsupported file type!",\r | |
4802 | L"Only supports DER-encoded X509 certificate, AUTH_2 format data & executable EFI image",\r | |
4803 | NULL\r | |
4804 | );\r | |
4805 | }\r | |
4806 | \r | |
4807 | break;\r | |
4808 | \r | |
4809 | case KEY_VALUE_SAVE_AND_EXIT_DBT:\r | |
4810 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE2);\r | |
4811 | if (EFI_ERROR (Status)) {\r | |
4812 | CreatePopUp (\r | |
4813 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4814 | &Key,\r | |
4815 | L"ERROR: Unsupported file type!",\r | |
4816 | L"Only supports DER-encoded X509 certificate.",\r | |
4817 | NULL\r | |
4818 | );\r | |
4819 | }\r | |
4820 | \r | |
4821 | break;\r | |
4822 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r | |
4823 | //\r | |
4824 | // Check the suffix, encode type and the key strength of PK certificate.\r | |
4825 | //\r | |
4826 | Status = CheckX509Certificate (Private->FileContext, &EnrollKeyErrorCode);\r | |
4827 | if (EFI_ERROR (Status)) {\r | |
4828 | if ((EnrollKeyErrorCode != None_Error) && (EnrollKeyErrorCode < Enroll_Error_Max)) {\r | |
4829 | CreatePopUp (\r | |
4830 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4831 | &Key,\r | |
4832 | mX509EnrollPromptTitle[EnrollKeyErrorCode],\r | |
4833 | mX509EnrollPromptString[EnrollKeyErrorCode],\r | |
4834 | NULL\r | |
4835 | );\r | |
4836 | break;\r | |
4837 | }\r | |
4838 | } else {\r | |
4839 | Status = EnrollPlatformKey (Private);\r | |
4840 | }\r | |
4841 | \r | |
4842 | if (EFI_ERROR (Status)) {\r | |
4843 | UnicodeSPrint (\r | |
4844 | PromptString,\r | |
4845 | sizeof (PromptString),\r | |
4846 | L"Error status: %x.",\r | |
4847 | Status\r | |
4848 | );\r | |
4849 | CreatePopUp (\r | |
4850 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4851 | &Key,\r | |
4852 | L"ERROR: Enrollment failed!",\r | |
4853 | PromptString,\r | |
4854 | NULL\r | |
4855 | );\r | |
4856 | }\r | |
4857 | \r | |
4858 | break;\r | |
4859 | default:\r | |
4860 | if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r | |
4861 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE)))\r | |
4862 | {\r | |
4863 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
4864 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
4865 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE)))\r | |
4866 | {\r | |
4867 | DeleteSignature (\r | |
4868 | Private,\r | |
4869 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4870 | &gEfiImageSecurityDatabaseGuid,\r | |
4871 | LABEL_DB_DELETE,\r | |
4872 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
4873 | OPTION_DEL_DB_QUESTION_ID,\r | |
4874 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
4875 | );\r | |
4876 | } else if ((QuestionId >= OPTION_SIGNATURE_LIST_QUESTION_ID) &&\r | |
4877 | (QuestionId < (OPTION_SIGNATURE_LIST_QUESTION_ID + OPTION_CONFIG_RANGE)))\r | |
4878 | {\r | |
4879 | LoadSignatureData (\r | |
4880 | Private,\r | |
4881 | LABEL_SIGNATURE_DATA_START,\r | |
4882 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
4883 | OPTION_SIGNATURE_DATA_QUESTION_ID,\r | |
4884 | QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4885 | );\r | |
4886 | Private->ListIndex = QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID;\r | |
4887 | } else if ((QuestionId >= OPTION_SIGNATURE_DATA_QUESTION_ID) &&\r | |
4888 | (QuestionId < (OPTION_SIGNATURE_DATA_QUESTION_ID + OPTION_CONFIG_RANGE)))\r | |
4889 | {\r | |
4890 | if (Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID]) {\r | |
4891 | IfrNvData->CheckedDataCount--;\r | |
4892 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = FALSE;\r | |
4893 | } else {\r | |
4894 | IfrNvData->CheckedDataCount++;\r | |
4895 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = TRUE;\r | |
4896 | }\r | |
4897 | } else if ((QuestionId >= OPTION_DEL_DBT_QUESTION_ID) &&\r | |
4898 | (QuestionId < (OPTION_DEL_DBT_QUESTION_ID + OPTION_CONFIG_RANGE)))\r | |
4899 | {\r | |
4900 | DeleteSignature (\r | |
4901 | Private,\r | |
4902 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4903 | &gEfiImageSecurityDatabaseGuid,\r | |
4904 | LABEL_DBT_DELETE,\r | |
4905 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
4906 | OPTION_DEL_DBT_QUESTION_ID,\r | |
4907 | QuestionId - OPTION_DEL_DBT_QUESTION_ID\r | |
4908 | );\r | |
4909 | }\r | |
4910 | \r | |
4911 | break;\r | |
4912 | \r | |
4913 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
4914 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
4915 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
4916 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
4917 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBT:\r | |
4918 | CloseEnrolledFile (Private->FileContext);\r | |
4919 | \r | |
4920 | if (Private->SignatureGUID != NULL) {\r | |
4921 | FreePool (Private->SignatureGUID);\r | |
4922 | Private->SignatureGUID = NULL;\r | |
4923 | }\r | |
4924 | \r | |
4925 | break;\r | |
762d8ddb DB |
4926 | }\r |
4927 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
4928 | switch (QuestionId) {\r | |
c411b485 MK |
4929 | case KEY_SECURE_BOOT_ENABLE:\r |
4930 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
ecc722ad | 4931 | break;\r |
c411b485 MK |
4932 | case KEY_SECURE_BOOT_MODE:\r |
4933 | mIsEnterSecureBootForm = FALSE;\r | |
4934 | break;\r | |
4935 | case KEY_SECURE_BOOT_KEK_GUID:\r | |
4936 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
4937 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
4938 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBT:\r | |
4939 | ASSERT (Private->SignatureGUID != NULL);\r | |
4940 | RStatus = StrToGuid (IfrNvData->SignatureGuid, Private->SignatureGUID);\r | |
4941 | if (RETURN_ERROR (RStatus) || (IfrNvData->SignatureGuid[GUID_STRING_LENGTH] != L'\0')) {\r | |
4942 | Status = EFI_INVALID_PARAMETER;\r | |
4943 | break;\r | |
4944 | }\r | |
ecc722ad | 4945 | \r |
f71ed839 | 4946 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r |
c411b485 MK |
4947 | break;\r |
4948 | case KEY_SECURE_BOOT_DELETE_PK:\r | |
4949 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID **)&SetupMode, NULL);\r | |
4950 | if ((SetupMode == NULL) || ((*SetupMode) == SETUP_MODE)) {\r | |
4951 | IfrNvData->DeletePk = TRUE;\r | |
4952 | IfrNvData->HasPk = FALSE;\r | |
4953 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r | |
4954 | } else {\r | |
4955 | IfrNvData->DeletePk = FALSE;\r | |
4956 | IfrNvData->HasPk = TRUE;\r | |
4957 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4958 | }\r | |
4959 | \r | |
4960 | if (SetupMode != NULL) {\r | |
4961 | FreePool (SetupMode);\r | |
4962 | }\r | |
4963 | \r | |
4964 | break;\r | |
4965 | case KEY_SECURE_BOOT_RESET_TO_DEFAULT:\r | |
4966 | {\r | |
4967 | Status = gBS->LocateProtocol (&gEfiHiiPopupProtocolGuid, NULL, (VOID **)&HiiPopup);\r | |
4968 | if (EFI_ERROR (Status)) {\r | |
4969 | return Status;\r | |
4970 | }\r | |
4971 | \r | |
4972 | Status = HiiPopup->CreatePopup (\r | |
4973 | HiiPopup,\r | |
4974 | EfiHiiPopupStyleInfo,\r | |
4975 | EfiHiiPopupTypeYesNo,\r | |
4976 | Private->HiiHandle,\r | |
4977 | STRING_TOKEN (STR_RESET_TO_DEFAULTS_POPUP),\r | |
4978 | &UserSelection\r | |
4979 | );\r | |
4980 | if (UserSelection == EfiHiiPopupSelectionYes) {\r | |
4981 | Status = KeyEnrollReset ();\r | |
4982 | }\r | |
4983 | \r | |
4984 | //\r | |
4985 | // Update secure boot strings after key reset\r | |
4986 | //\r | |
4987 | if (Status == EFI_SUCCESS) {\r | |
4988 | Status = UpdateSecureBootString (Private);\r | |
4989 | SecureBootExtractConfigFromVariable (Private, IfrNvData);\r | |
4990 | }\r | |
f71ed839 | 4991 | }\r |
c411b485 MK |
4992 | default:\r |
4993 | break;\r | |
ecc722ad | 4994 | }\r |
a2f2c258 | 4995 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
4996 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
c411b485 | 4997 | GetVariable2 (EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid, (VOID **)&Pk, NULL);\r |
126f3b1d | 4998 | if (Pk == NULL) {\r |
a2f2c258 | 4999 | IfrNvData->HideSecureBoot = TRUE;\r |
5000 | } else {\r | |
126f3b1d | 5001 | FreePool (Pk);\r |
a2f2c258 | 5002 | IfrNvData->HideSecureBoot = FALSE;\r |
5003 | }\r | |
c411b485 | 5004 | \r |
a2f2c258 | 5005 | Value->b = IfrNvData->HideSecureBoot;\r |
5006 | }\r | |
f71ed839 | 5007 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
5008 | //\r | |
5009 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
5010 | //\r | |
c411b485 MK |
5011 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID **)&SecureBootMode, NULL);\r |
5012 | if ((NULL != SecureBootMode) && (*SecureBootMode == CUSTOM_SECURE_BOOT_MODE)) {\r | |
f71ed839 | 5013 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r |
c411b485 | 5014 | SetSecureBootMode (STANDARD_SECURE_BOOT_MODE);\r |
f71ed839 | 5015 | }\r |
c411b485 | 5016 | \r |
f71ed839 | 5017 | if (SecureBootMode != NULL) {\r |
5018 | FreePool (SecureBootMode);\r | |
5019 | }\r | |
85974aef | 5020 | \r |
5021 | if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_DATA) {\r | |
5022 | //\r | |
5023 | // Free memory when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
5024 | //\r | |
5025 | SECUREBOOT_FREE_NON_NULL (Private->CheckArray);\r | |
5026 | IfrNvData->CheckedDataCount = 0;\r | |
5027 | }\r | |
ecc722ad | 5028 | }\r |
20333c6d | 5029 | \r |
96832eef CZ |
5030 | EXIT:\r |
5031 | \r | |
488aab25 | 5032 | if (!EFI_ERROR (Status) && GetBrowserDataResult) {\r |
ecc722ad | 5033 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
c411b485 | 5034 | HiiSetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *)IfrNvData, NULL);\r |
ecc722ad | 5035 | }\r |
96832eef | 5036 | \r |
ecc722ad | 5037 | FreePool (IfrNvData);\r |
20333c6d | 5038 | \r |
c411b485 MK |
5039 | if (File != NULL) {\r |
5040 | FreePool (File);\r | |
762d8ddb DB |
5041 | File = NULL;\r |
5042 | }\r | |
5043 | \r | |
ecc722ad | 5044 | return EFI_SUCCESS;\r |
beda2356 | 5045 | }\r |
5046 | \r | |
5047 | /**\r | |
5048 | This function publish the SecureBoot configuration Form.\r | |
5049 | \r | |
5050 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
5051 | \r | |
ecc722ad | 5052 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 5053 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
5054 | @retval Others Other errors as indicated.\r | |
5055 | \r | |
5056 | **/\r | |
5057 | EFI_STATUS\r | |
5058 | InstallSecureBootConfigForm (\r | |
5059 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
5060 | )\r | |
5061 | {\r | |
5062 | EFI_STATUS Status;\r | |
5063 | EFI_HII_HANDLE HiiHandle;\r | |
5064 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 5065 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
5066 | \r | |
5067 | DriverHandle = NULL;\r | |
5068 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
c411b485 MK |
5069 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
5070 | &DriverHandle,\r | |
5071 | &gEfiDevicePathProtocolGuid,\r | |
5072 | &mSecureBootHiiVendorDevicePath,\r | |
5073 | &gEfiHiiConfigAccessProtocolGuid,\r | |
5074 | ConfigAccess,\r | |
5075 | NULL\r | |
5076 | );\r | |
beda2356 | 5077 | if (EFI_ERROR (Status)) {\r |
5078 | return Status;\r | |
5079 | }\r | |
5080 | \r | |
5081 | PrivateData->DriverHandle = DriverHandle;\r | |
5082 | \r | |
5083 | //\r | |
5084 | // Publish the HII package list\r | |
5085 | //\r | |
5086 | HiiHandle = HiiAddPackages (\r | |
5087 | &gSecureBootConfigFormSetGuid,\r | |
5088 | DriverHandle,\r | |
5089 | SecureBootConfigDxeStrings,\r | |
5090 | SecureBootConfigBin,\r | |
5091 | NULL\r | |
5092 | );\r | |
5093 | if (HiiHandle == NULL) {\r | |
5094 | gBS->UninstallMultipleProtocolInterfaces (\r | |
5095 | DriverHandle,\r | |
5096 | &gEfiDevicePathProtocolGuid,\r | |
5097 | &mSecureBootHiiVendorDevicePath,\r | |
5098 | &gEfiHiiConfigAccessProtocolGuid,\r | |
5099 | ConfigAccess,\r | |
5100 | NULL\r | |
bc0c99b3 | 5101 | );\r |
beda2356 | 5102 | return EFI_OUT_OF_RESOURCES;\r |
5103 | }\r | |
bc0c99b3 | 5104 | \r |
beda2356 | 5105 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 5106 | \r |
5107 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
20333c6d | 5108 | \r |
762d8ddb | 5109 | if (PrivateData->FileContext == NULL) {\r |
ecc722ad | 5110 | UninstallSecureBootConfigForm (PrivateData);\r |
5111 | return EFI_OUT_OF_RESOURCES;\r | |
5112 | }\r | |
20333c6d | 5113 | \r |
ecc722ad | 5114 | //\r |
5115 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
5116 | //\r | |
5117 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
5118 | if (mStartOpCodeHandle == NULL) {\r | |
5119 | UninstallSecureBootConfigForm (PrivateData);\r | |
5120 | return EFI_OUT_OF_RESOURCES;\r | |
5121 | }\r | |
5122 | \r | |
5123 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
5124 | if (mEndOpCodeHandle == NULL) {\r | |
5125 | UninstallSecureBootConfigForm (PrivateData);\r | |
5126 | return EFI_OUT_OF_RESOURCES;\r | |
5127 | }\r | |
5128 | \r | |
5129 | //\r | |
5130 | // Create Hii Extend Label OpCode as the start opcode\r | |
5131 | //\r | |
c411b485 MK |
5132 | mStartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
5133 | mStartOpCodeHandle,\r | |
5134 | &gEfiIfrTianoGuid,\r | |
5135 | NULL,\r | |
5136 | sizeof (EFI_IFR_GUID_LABEL)\r | |
5137 | );\r | |
ecc722ad | 5138 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r |
5139 | \r | |
5140 | //\r | |
5141 | // Create Hii Extend Label OpCode as the end opcode\r | |
5142 | //\r | |
c411b485 MK |
5143 | mEndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
5144 | mEndOpCodeHandle,\r | |
5145 | &gEfiIfrTianoGuid,\r | |
5146 | NULL,\r | |
5147 | sizeof (EFI_IFR_GUID_LABEL)\r | |
5148 | );\r | |
ecc722ad | 5149 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r |
5150 | mEndLabel->Number = LABEL_END;\r | |
20333c6d | 5151 | \r |
bc0c99b3 | 5152 | return EFI_SUCCESS;\r |
beda2356 | 5153 | }\r |
5154 | \r | |
5155 | /**\r | |
5156 | This function removes SecureBoot configuration Form.\r | |
5157 | \r | |
5158 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
5159 | \r | |
5160 | **/\r | |
5161 | VOID\r | |
5162 | UninstallSecureBootConfigForm (\r | |
c411b485 | 5163 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r |
beda2356 | 5164 | )\r |
5165 | {\r | |
5166 | //\r | |
5167 | // Uninstall HII package list\r | |
5168 | //\r | |
5169 | if (PrivateData->HiiHandle != NULL) {\r | |
5170 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
5171 | PrivateData->HiiHandle = NULL;\r | |
5172 | }\r | |
5173 | \r | |
5174 | //\r | |
5175 | // Uninstall HII Config Access Protocol\r | |
5176 | //\r | |
5177 | if (PrivateData->DriverHandle != NULL) {\r | |
5178 | gBS->UninstallMultipleProtocolInterfaces (\r | |
5179 | PrivateData->DriverHandle,\r | |
5180 | &gEfiDevicePathProtocolGuid,\r | |
5181 | &mSecureBootHiiVendorDevicePath,\r | |
5182 | &gEfiHiiConfigAccessProtocolGuid,\r | |
5183 | &PrivateData->ConfigAccess,\r | |
5184 | NULL\r | |
5185 | );\r | |
5186 | PrivateData->DriverHandle = NULL;\r | |
5187 | }\r | |
bc0c99b3 | 5188 | \r |
ecc722ad | 5189 | if (PrivateData->SignatureGUID != NULL) {\r |
5190 | FreePool (PrivateData->SignatureGUID);\r | |
5191 | }\r | |
5192 | \r | |
ecc722ad | 5193 | if (PrivateData->FileContext != NULL) {\r |
5194 | FreePool (PrivateData->FileContext);\r | |
5195 | }\r | |
5196 | \r | |
beda2356 | 5197 | FreePool (PrivateData);\r |
ecc722ad | 5198 | \r |
ecc722ad | 5199 | if (mStartOpCodeHandle != NULL) {\r |
5200 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
5201 | }\r | |
5202 | \r | |
5203 | if (mEndOpCodeHandle != NULL) {\r | |
5204 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
5205 | }\r | |
beda2356 | 5206 | }\r |