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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 | |
d2a0f379 | 11 | #include <UefiSecureBoot.h>\r |
55266a9b | 12 | #include <Protocol/HiiPopup.h>\r |
85974aef | 13 | #include <Library/BaseCryptLib.h>\r |
db959018 GB |
14 | #include <Library/SecureBootVariableLib.h>\r |
15 | #include <Library/SecureBootVariableProvisionLib.h>\r | |
beda2356 | 16 | \r |
c411b485 | 17 | CHAR16 mSecureBootStorageName[] = L"SECUREBOOT_CONFIGURATION";\r |
beda2356 | 18 | \r |
c411b485 | 19 | SECUREBOOT_CONFIG_PRIVATE_DATA mSecureBootConfigPrivateDateTemplate = {\r |
20333c6d | 20 | SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE,\r |
beda2356 | 21 | {\r |
22 | SecureBootExtractConfig,\r | |
23 | SecureBootRouteConfig,\r | |
24 | SecureBootCallback\r | |
25 | }\r | |
26 | };\r | |
27 | \r | |
c411b485 | 28 | HII_VENDOR_DEVICE_PATH mSecureBootHiiVendorDevicePath = {\r |
beda2356 | 29 | {\r |
30 | {\r | |
31 | HARDWARE_DEVICE_PATH,\r | |
32 | HW_VENDOR_DP,\r | |
33 | {\r | |
c411b485 MK |
34 | (UINT8)(sizeof (VENDOR_DEVICE_PATH)),\r |
35 | (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
beda2356 | 36 | }\r |
37 | },\r | |
38 | SECUREBOOT_CONFIG_FORM_SET_GUID\r | |
39 | },\r | |
40 | {\r | |
41 | END_DEVICE_PATH_TYPE,\r | |
42 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
bc0c99b3 | 43 | {\r |
c411b485 MK |
44 | (UINT8)(END_DEVICE_PATH_LENGTH),\r |
45 | (UINT8)((END_DEVICE_PATH_LENGTH) >> 8)\r | |
beda2356 | 46 | }\r |
47 | }\r | |
48 | };\r | |
49 | \r | |
c411b485 | 50 | BOOLEAN mIsEnterSecureBootForm = FALSE;\r |
a365eed4 | 51 | \r |
ecc722ad | 52 | //\r |
53 | // OID ASN.1 Value for Hash Algorithms\r | |
54 | //\r | |
c411b485 MK |
55 | UINT8 mHashOidValue[] = {\r |
56 | 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, // OBJ_md5\r | |
57 | 0x2B, 0x0E, 0x03, 0x02, 0x1A, // OBJ_sha1\r | |
58 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, // OBJ_sha224\r | |
59 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, // OBJ_sha256\r | |
60 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, // OBJ_sha384\r | |
61 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, // OBJ_sha512\r | |
62 | };\r | |
63 | \r | |
64 | HASH_TABLE mHash[] = {\r | |
65 | { L"SHA224", 28, &mHashOidValue[13], 9, NULL, NULL, NULL, NULL },\r | |
66 | { L"SHA256", 32, &mHashOidValue[22], 9, Sha256GetContextSize, Sha256Init, Sha256Update, Sha256Final },\r | |
67 | { L"SHA384", 48, &mHashOidValue[31], 9, Sha384GetContextSize, Sha384Init, Sha384Update, Sha384Final },\r | |
68 | { L"SHA512", 64, &mHashOidValue[40], 9, Sha512GetContextSize, Sha512Init, Sha512Update, Sha512Final }\r | |
ecc722ad | 69 | };\r |
70 | \r | |
e4d7370d | 71 | //\r |
20333c6d QL |
72 | // Variable Definitions\r |
73 | //\r | |
c411b485 MK |
74 | UINT32 mPeCoffHeaderOffset = 0;\r |
75 | WIN_CERTIFICATE *mCertificate = NULL;\r | |
76 | IMAGE_TYPE mImageType;\r | |
77 | UINT8 *mImageBase = NULL;\r | |
78 | UINTN mImageSize = 0;\r | |
79 | UINT8 mImageDigest[MAX_DIGEST_SIZE];\r | |
80 | UINTN mImageDigestSize;\r | |
81 | EFI_GUID mCertType;\r | |
ecc722ad | 82 | EFI_IMAGE_SECURITY_DATA_DIRECTORY *mSecDataDir = NULL;\r |
83 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION mNtHeader;\r | |
84 | \r | |
e4d7370d | 85 | //\r |
86 | // Possible DER-encoded certificate file suffixes, end with NULL pointer.\r | |
87 | //\r | |
c411b485 | 88 | CHAR16 *mDerEncodedSuffix[] = {\r |
e4d7370d | 89 | L".cer",\r |
90 | L".der",\r | |
91 | L".crt",\r | |
92 | NULL\r | |
93 | };\r | |
c411b485 | 94 | CHAR16 *mSupportX509Suffix = L"*.cer/der/crt";\r |
e4d7370d | 95 | \r |
5396354b JG |
96 | //\r |
97 | // Prompt strings during certificate enrollment.\r | |
98 | //\r | |
c411b485 | 99 | CHAR16 *mX509EnrollPromptTitle[] = {\r |
5396354b JG |
100 | L"",\r |
101 | L"ERROR: Unsupported file type!",\r | |
102 | L"ERROR: Unsupported certificate!",\r | |
103 | NULL\r | |
104 | };\r | |
c411b485 | 105 | CHAR16 *mX509EnrollPromptString[] = {\r |
5396354b JG |
106 | L"",\r |
107 | L"Only DER encoded certificate file (*.cer/der/crt) is supported.",\r | |
108 | L"Public key length should be equal to or greater than 2048 bits.",\r | |
109 | NULL\r | |
110 | };\r | |
111 | \r | |
762d8ddb DB |
112 | SECUREBOOT_CONFIG_PRIVATE_DATA *gSecureBootPrivateData = NULL;\r |
113 | \r | |
4de754e1 ZC |
114 | /**\r |
115 | This code cleans up enrolled file by closing file & free related resources attached to\r | |
9d9b8b77 | 116 | enrolled file.\r |
4de754e1 | 117 | \r |
9d9b8b77 | 118 | @param[in] FileContext FileContext cached in SecureBootConfig driver\r |
4de754e1 ZC |
119 | \r |
120 | **/\r | |
4de754e1 | 121 | VOID\r |
c411b485 MK |
122 | CloseEnrolledFile (\r |
123 | IN SECUREBOOT_FILE_CONTEXT *FileContext\r | |
124 | )\r | |
4de754e1 ZC |
125 | {\r |
126 | if (FileContext->FHandle != NULL) {\r | |
127 | CloseFile (FileContext->FHandle);\r | |
128 | FileContext->FHandle = NULL;\r | |
129 | }\r | |
130 | \r | |
c411b485 MK |
131 | if (FileContext->FileName != NULL) {\r |
132 | FreePool (FileContext->FileName);\r | |
4de754e1 ZC |
133 | FileContext->FileName = NULL;\r |
134 | }\r | |
4de754e1 | 135 | \r |
c411b485 | 136 | FileContext->FileType = UNKNOWN_FILE_TYPE;\r |
4de754e1 ZC |
137 | }\r |
138 | \r | |
e4d7370d | 139 | /**\r |
140 | This code checks if the FileSuffix is one of the possible DER-encoded certificate suffix.\r | |
141 | \r | |
142 | @param[in] FileSuffix The suffix of the input certificate file\r | |
143 | \r | |
144 | @retval TRUE It's a DER-encoded certificate.\r | |
145 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
146 | \r | |
147 | **/\r | |
148 | BOOLEAN\r | |
149 | IsDerEncodeCertificate (\r | |
c411b485 MK |
150 | IN CONST CHAR16 *FileSuffix\r |
151 | )\r | |
e4d7370d | 152 | {\r |
c411b485 MK |
153 | UINTN Index;\r |
154 | \r | |
e4d7370d | 155 | for (Index = 0; mDerEncodedSuffix[Index] != NULL; Index++) {\r |
156 | if (StrCmp (FileSuffix, mDerEncodedSuffix[Index]) == 0) {\r | |
157 | return TRUE;\r | |
158 | }\r | |
159 | }\r | |
c411b485 | 160 | \r |
e4d7370d | 161 | return FALSE;\r |
162 | }\r | |
ecc722ad | 163 | \r |
4de754e1 ZC |
164 | /**\r |
165 | This code checks if the file content complies with EFI_VARIABLE_AUTHENTICATION_2 format\r | |
166 | The function reads file content but won't open/close given FileHandle.\r | |
167 | \r | |
168 | @param[in] FileHandle The FileHandle to be checked\r | |
169 | \r | |
170 | @retval TRUE The content is EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
171 | @retval FALSE The content is NOT a EFI_VARIABLE_AUTHENTICATION_2 format.\r | |
172 | \r | |
173 | **/\r | |
174 | BOOLEAN\r | |
175 | IsAuthentication2Format (\r | |
c411b485 MK |
176 | IN EFI_FILE_HANDLE FileHandle\r |
177 | )\r | |
4de754e1 ZC |
178 | {\r |
179 | EFI_STATUS Status;\r | |
180 | EFI_VARIABLE_AUTHENTICATION_2 *Auth2;\r | |
181 | BOOLEAN IsAuth2Format;\r | |
182 | \r | |
183 | IsAuth2Format = FALSE;\r | |
184 | \r | |
185 | //\r | |
186 | // Read the whole file content\r | |
187 | //\r | |
c411b485 | 188 | Status = ReadFileContent (\r |
4de754e1 | 189 | FileHandle,\r |
c411b485 | 190 | (VOID **)&mImageBase,\r |
4de754e1 ZC |
191 | &mImageSize,\r |
192 | 0\r | |
193 | );\r | |
194 | if (EFI_ERROR (Status)) {\r | |
195 | goto ON_EXIT;\r | |
196 | }\r | |
197 | \r | |
198 | Auth2 = (EFI_VARIABLE_AUTHENTICATION_2 *)mImageBase;\r | |
199 | if (Auth2->AuthInfo.Hdr.wCertificateType != WIN_CERT_TYPE_EFI_GUID) {\r | |
200 | goto ON_EXIT;\r | |
201 | }\r | |
202 | \r | |
c411b485 | 203 | if (CompareGuid (&gEfiCertPkcs7Guid, &Auth2->AuthInfo.CertType)) {\r |
4de754e1 ZC |
204 | IsAuth2Format = TRUE;\r |
205 | }\r | |
206 | \r | |
207 | ON_EXIT:\r | |
208 | //\r | |
209 | // Do not close File. simply check file content\r | |
210 | //\r | |
211 | if (mImageBase != NULL) {\r | |
212 | FreePool (mImageBase);\r | |
213 | mImageBase = NULL;\r | |
214 | }\r | |
215 | \r | |
216 | return IsAuth2Format;\r | |
217 | }\r | |
218 | \r | |
ecc722ad | 219 | /**\r |
220 | Set Secure Boot option into variable space.\r | |
221 | \r | |
222 | @param[in] VarValue The option of Secure Boot.\r | |
223 | \r | |
224 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
225 | @retval Others Other errors as indicated.\r | |
226 | \r | |
227 | **/\r | |
228 | EFI_STATUS\r | |
229 | SaveSecureBootVariable (\r | |
c411b485 | 230 | IN UINT8 VarValue\r |
ecc722ad | 231 | )\r |
232 | {\r | |
c411b485 | 233 | EFI_STATUS Status;\r |
ecc722ad | 234 | \r |
235 | Status = gRT->SetVariable (\r | |
c411b485 MK |
236 | EFI_SECURE_BOOT_ENABLE_NAME,\r |
237 | &gEfiSecureBootEnableDisableGuid,\r | |
238 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
239 | sizeof (UINT8),\r | |
240 | &VarValue\r | |
241 | );\r | |
ecc722ad | 242 | return Status;\r |
243 | }\r | |
244 | \r | |
5396354b JG |
245 | /**\r |
246 | This code checks if the encode type and key strength of X.509\r | |
247 | certificate is qualified.\r | |
248 | \r | |
249 | @param[in] X509FileContext FileContext of X.509 certificate storing\r | |
250 | file.\r | |
251 | @param[out] Error Error type checked in the certificate.\r | |
252 | \r | |
253 | @return EFI_SUCCESS The certificate checked successfully.\r | |
254 | @return EFI_INVALID_PARAMETER The parameter is invalid.\r | |
255 | @return EFI_OUT_OF_RESOURCES Memory allocation failed.\r | |
256 | \r | |
257 | **/\r | |
258 | EFI_STATUS\r | |
259 | CheckX509Certificate (\r | |
c411b485 MK |
260 | IN SECUREBOOT_FILE_CONTEXT *X509FileContext,\r |
261 | OUT ENROLL_KEY_ERROR *Error\r | |
262 | )\r | |
5396354b | 263 | {\r |
c411b485 MK |
264 | EFI_STATUS Status;\r |
265 | UINT16 *FilePostFix;\r | |
266 | UINTN NameLength;\r | |
267 | UINT8 *X509Data;\r | |
268 | UINTN X509DataSize;\r | |
269 | void *X509PubKey;\r | |
270 | UINTN PubKeyModSize;\r | |
5396354b JG |
271 | \r |
272 | if (X509FileContext->FileName == NULL) {\r | |
273 | *Error = Unsupported_Type;\r | |
274 | return EFI_INVALID_PARAMETER;\r | |
275 | }\r | |
276 | \r | |
c411b485 MK |
277 | X509Data = NULL;\r |
278 | X509DataSize = 0;\r | |
279 | X509PubKey = NULL;\r | |
280 | PubKeyModSize = 0;\r | |
5396354b JG |
281 | \r |
282 | //\r | |
283 | // Parse the file's postfix. Only support DER encoded X.509 certificate files.\r | |
284 | //\r | |
285 | NameLength = StrLen (X509FileContext->FileName);\r | |
286 | if (NameLength <= 4) {\r | |
287 | DEBUG ((DEBUG_ERROR, "Wrong X509 NameLength\n"));\r | |
288 | *Error = Unsupported_Type;\r | |
289 | return EFI_INVALID_PARAMETER;\r | |
290 | }\r | |
c411b485 | 291 | \r |
5396354b JG |
292 | FilePostFix = X509FileContext->FileName + NameLength - 4;\r |
293 | if (!IsDerEncodeCertificate (FilePostFix)) {\r | |
294 | DEBUG ((DEBUG_ERROR, "Unsupported file type, only DER encoded certificate (%s) is supported.\n", mSupportX509Suffix));\r | |
295 | *Error = Unsupported_Type;\r | |
296 | return EFI_INVALID_PARAMETER;\r | |
297 | }\r | |
c411b485 | 298 | \r |
5396354b JG |
299 | DEBUG ((DEBUG_INFO, "FileName= %s\n", X509FileContext->FileName));\r |
300 | DEBUG ((DEBUG_INFO, "FilePostFix = %s\n", FilePostFix));\r | |
301 | \r | |
302 | //\r | |
303 | // Read the certificate file content\r | |
304 | //\r | |
c411b485 | 305 | Status = ReadFileContent (X509FileContext->FHandle, (VOID **)&X509Data, &X509DataSize, 0);\r |
5396354b JG |
306 | if (EFI_ERROR (Status)) {\r |
307 | DEBUG ((DEBUG_ERROR, "Error occured while reading the file.\n"));\r | |
308 | goto ON_EXIT;\r | |
309 | }\r | |
310 | \r | |
311 | //\r | |
312 | // Parse the public key context.\r | |
313 | //\r | |
314 | if (RsaGetPublicKeyFromX509 (X509Data, X509DataSize, &X509PubKey) == FALSE) {\r | |
315 | DEBUG ((DEBUG_ERROR, "Error occured while parsing the pubkey from certificate.\n"));\r | |
316 | Status = EFI_INVALID_PARAMETER;\r | |
317 | *Error = Unsupported_Type;\r | |
318 | goto ON_EXIT;\r | |
319 | }\r | |
320 | \r | |
321 | //\r | |
322 | // Parse Module size of public key using interface provided by CryptoPkg, which is\r | |
323 | // actually the size of public key.\r | |
324 | //\r | |
325 | if (X509PubKey != NULL) {\r | |
326 | RsaGetKey (X509PubKey, RsaKeyN, NULL, &PubKeyModSize);\r | |
327 | if (PubKeyModSize < CER_PUBKEY_MIN_SIZE) {\r | |
328 | DEBUG ((DEBUG_ERROR, "Unqualified PK size, key size should be equal to or greater than 2048 bits.\n"));\r | |
329 | Status = EFI_INVALID_PARAMETER;\r | |
330 | *Error = Unqualified_Key;\r | |
331 | }\r | |
c411b485 | 332 | \r |
5396354b JG |
333 | RsaFree (X509PubKey);\r |
334 | }\r | |
335 | \r | |
c411b485 | 336 | ON_EXIT:\r |
5396354b JG |
337 | if (X509Data != NULL) {\r |
338 | FreePool (X509Data);\r | |
339 | }\r | |
340 | \r | |
341 | return Status;\r | |
342 | }\r | |
343 | \r | |
ecc722ad | 344 | /**\r |
345 | Generate the PK signature list from the X509 Certificate storing file (.cer)\r | |
346 | \r | |
347 | @param[in] X509File FileHandle of X509 Certificate storing file.\r | |
348 | @param[out] PkCert Point to the data buffer to store the signature list.\r | |
20333c6d | 349 | \r |
ecc722ad | 350 | @return EFI_UNSUPPORTED Unsupported Key Length.\r |
d6b926e7 | 351 | @return EFI_OUT_OF_RESOURCES There are not enough memory resources to form the signature list.\r |
20333c6d | 352 | \r |
ecc722ad | 353 | **/\r |
354 | EFI_STATUS\r | |
355 | CreatePkX509SignatureList (\r | |
c411b485 MK |
356 | IN EFI_FILE_HANDLE X509File,\r |
357 | OUT EFI_SIGNATURE_LIST **PkCert\r | |
ecc722ad | 358 | )\r |
359 | {\r | |
c411b485 MK |
360 | EFI_STATUS Status;\r |
361 | UINT8 *X509Data;\r | |
362 | UINTN X509DataSize;\r | |
363 | EFI_SIGNATURE_DATA *PkCertData;\r | |
ecc722ad | 364 | \r |
c411b485 MK |
365 | X509Data = NULL;\r |
366 | PkCertData = NULL;\r | |
20333c6d QL |
367 | X509DataSize = 0;\r |
368 | \r | |
c411b485 | 369 | Status = ReadFileContent (X509File, (VOID **)&X509Data, &X509DataSize, 0);\r |
ecc722ad | 370 | if (EFI_ERROR (Status)) {\r |
371 | goto ON_EXIT;\r | |
372 | }\r | |
c411b485 | 373 | \r |
ba57d4fd | 374 | ASSERT (X509Data != NULL);\r |
ecc722ad | 375 | \r |
376 | //\r | |
377 | // Allocate space for PK certificate list and initialize it.\r | |
378 | // Create PK database entry with SignatureHeaderSize equals 0.\r | |
379 | //\r | |
c411b485 MK |
380 | *PkCert = (EFI_SIGNATURE_LIST *)AllocateZeroPool (\r |
381 | sizeof (EFI_SIGNATURE_LIST) + sizeof (EFI_SIGNATURE_DATA) - 1\r | |
382 | + X509DataSize\r | |
383 | );\r | |
ecc722ad | 384 | if (*PkCert == NULL) {\r |
385 | Status = EFI_OUT_OF_RESOURCES;\r | |
386 | goto ON_EXIT;\r | |
387 | }\r | |
388 | \r | |
c411b485 MK |
389 | (*PkCert)->SignatureListSize = (UINT32)(sizeof (EFI_SIGNATURE_LIST)\r |
390 | + sizeof (EFI_SIGNATURE_DATA) - 1\r | |
391 | + X509DataSize);\r | |
392 | (*PkCert)->SignatureSize = (UINT32)(sizeof (EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
ecc722ad | 393 | (*PkCert)->SignatureHeaderSize = 0;\r |
394 | CopyGuid (&(*PkCert)->SignatureType, &gEfiCertX509Guid);\r | |
c411b485 MK |
395 | PkCertData = (EFI_SIGNATURE_DATA *)((UINTN)(*PkCert)\r |
396 | + sizeof (EFI_SIGNATURE_LIST)\r | |
397 | + (*PkCert)->SignatureHeaderSize);\r | |
20333c6d | 398 | CopyGuid (&PkCertData->SignatureOwner, &gEfiGlobalVariableGuid);\r |
ecc722ad | 399 | //\r |
400 | // Fill the PK database with PKpub data from X509 certificate file.\r | |
20333c6d | 401 | //\r |
ecc722ad | 402 | CopyMem (&(PkCertData->SignatureData[0]), X509Data, X509DataSize);\r |
20333c6d | 403 | \r |
ecc722ad | 404 | ON_EXIT:\r |
20333c6d | 405 | \r |
ecc722ad | 406 | if (X509Data != NULL) {\r |
407 | FreePool (X509Data);\r | |
408 | }\r | |
20333c6d | 409 | \r |
c411b485 | 410 | if (EFI_ERROR (Status) && (*PkCert != NULL)) {\r |
ecc722ad | 411 | FreePool (*PkCert);\r |
412 | *PkCert = NULL;\r | |
413 | }\r | |
20333c6d | 414 | \r |
ecc722ad | 415 | return Status;\r |
416 | }\r | |
417 | \r | |
418 | /**\r | |
419 | Enroll new PK into the System without original PK's authentication.\r | |
420 | \r | |
421 | The SignatureOwner GUID will be the same with PK's vendorguid.\r | |
422 | \r | |
423 | @param[in] PrivateData The module's private data.\r | |
424 | \r | |
425 | @retval EFI_SUCCESS New PK enrolled successfully.\r | |
426 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
427 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 428 | \r |
ecc722ad | 429 | **/\r |
430 | EFI_STATUS\r | |
431 | EnrollPlatformKey (\r | |
c411b485 | 432 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r |
20333c6d | 433 | )\r |
ecc722ad | 434 | {\r |
c411b485 MK |
435 | EFI_STATUS Status;\r |
436 | UINT32 Attr;\r | |
437 | UINTN DataSize;\r | |
438 | EFI_SIGNATURE_LIST *PkCert;\r | |
ecc722ad | 439 | \r |
440 | PkCert = NULL;\r | |
441 | \r | |
c411b485 | 442 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 443 | if (EFI_ERROR (Status)) {\r |
444 | return Status;\r | |
445 | }\r | |
446 | \r | |
ecc722ad | 447 | //\r |
d6b926e7 | 448 | // Prase the selected PK file and generate PK certificate list.\r |
ecc722ad | 449 | //\r |
8c1babfd | 450 | Status = CreatePkX509SignatureList (\r |
c411b485 MK |
451 | Private->FileContext->FHandle,\r |
452 | &PkCert\r | |
453 | );\r | |
8c1babfd | 454 | if (EFI_ERROR (Status)) {\r |
455 | goto ON_EXIT;\r | |
ecc722ad | 456 | }\r |
c411b485 | 457 | \r |
ba57d4fd | 458 | ASSERT (PkCert != NULL);\r |
20333c6d | 459 | \r |
ecc722ad | 460 | //\r |
461 | // Set Platform Key variable.\r | |
20333c6d QL |
462 | //\r |
463 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
c411b485 | 464 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
ecc722ad | 465 | DataSize = PkCert->SignatureListSize;\r |
c411b485 | 466 | Status = CreateTimeBasedPayload (&DataSize, (UINT8 **)&PkCert);\r |
8c1babfd | 467 | if (EFI_ERROR (Status)) {\r |
e905fbb0 | 468 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 469 | goto ON_EXIT;\r |
470 | }\r | |
20333c6d | 471 | \r |
c411b485 | 472 | Status = gRT->SetVariable (\r |
20333c6d QL |
473 | EFI_PLATFORM_KEY_NAME,\r |
474 | &gEfiGlobalVariableGuid,\r | |
475 | Attr,\r | |
476 | DataSize,\r | |
ecc722ad | 477 | PkCert\r |
478 | );\r | |
479 | if (EFI_ERROR (Status)) {\r | |
480 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
e905fbb0 | 481 | DEBUG ((DEBUG_ERROR, "Enroll PK failed with out of resource.\n"));\r |
ecc722ad | 482 | }\r |
c411b485 | 483 | \r |
ecc722ad | 484 | goto ON_EXIT;\r |
485 | }\r | |
20333c6d | 486 | \r |
ecc722ad | 487 | ON_EXIT:\r |
488 | \r | |
489 | if (PkCert != NULL) {\r | |
c411b485 | 490 | FreePool (PkCert);\r |
ecc722ad | 491 | }\r |
20333c6d | 492 | \r |
c411b485 | 493 | CloseEnrolledFile (Private->FileContext);\r |
ecc722ad | 494 | \r |
495 | return Status;\r | |
496 | }\r | |
497 | \r | |
ecc722ad | 498 | /**\r |
499 | Enroll a new KEK item from public key storing file (*.pbk).\r | |
500 | \r | |
501 | @param[in] PrivateData The module's private data.\r | |
502 | \r | |
503 | @retval EFI_SUCCESS New KEK enrolled successfully.\r | |
504 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
505 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
506 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
507 | \r | |
508 | **/\r | |
509 | EFI_STATUS\r | |
510 | EnrollRsa2048ToKek (\r | |
c411b485 | 511 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r |
ecc722ad | 512 | )\r |
513 | {\r | |
c411b485 MK |
514 | EFI_STATUS Status;\r |
515 | UINT32 Attr;\r | |
516 | UINTN DataSize;\r | |
517 | EFI_SIGNATURE_LIST *KekSigList;\r | |
518 | UINTN KeyBlobSize;\r | |
519 | UINT8 *KeyBlob;\r | |
520 | CPL_KEY_INFO *KeyInfo;\r | |
521 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
522 | UINTN KekSigListSize;\r | |
523 | UINT8 *KeyBuffer;\r | |
524 | UINTN KeyLenInBytes;\r | |
525 | \r | |
526 | Attr = 0;\r | |
527 | DataSize = 0;\r | |
528 | KeyBuffer = NULL;\r | |
529 | KeyBlobSize = 0;\r | |
530 | KeyBlob = NULL;\r | |
531 | KeyInfo = NULL;\r | |
532 | KEKSigData = NULL;\r | |
533 | KekSigList = NULL;\r | |
ecc722ad | 534 | KekSigListSize = 0;\r |
20333c6d | 535 | \r |
ecc722ad | 536 | //\r |
537 | // Form the KeKpub certificate list into EFI_SIGNATURE_LIST type.\r | |
538 | // First, We have to parse out public key data from the pbk key file.\r | |
20333c6d | 539 | //\r |
ecc722ad | 540 | Status = ReadFileContent (\r |
541 | Private->FileContext->FHandle,\r | |
c411b485 | 542 | (VOID **)&KeyBlob,\r |
ecc722ad | 543 | &KeyBlobSize,\r |
544 | 0\r | |
545 | );\r | |
546 | if (EFI_ERROR (Status)) {\r | |
547 | goto ON_EXIT;\r | |
548 | }\r | |
c411b485 | 549 | \r |
ba57d4fd | 550 | ASSERT (KeyBlob != NULL);\r |
c411b485 | 551 | KeyInfo = (CPL_KEY_INFO *)KeyBlob;\r |
ecc722ad | 552 | if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {\r |
553 | DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));\r | |
554 | Status = EFI_UNSUPPORTED;\r | |
555 | goto ON_EXIT;\r | |
556 | }\r | |
20333c6d | 557 | \r |
ecc722ad | 558 | //\r |
559 | // Convert the Public key to fix octet string format represented in RSA PKCS#1.\r | |
20333c6d | 560 | //\r |
ecc722ad | 561 | KeyLenInBytes = KeyInfo->KeyLengthInBits / 8;\r |
c411b485 | 562 | KeyBuffer = AllocateZeroPool (KeyLenInBytes);\r |
ecc722ad | 563 | if (KeyBuffer == NULL) {\r |
564 | Status = EFI_OUT_OF_RESOURCES;\r | |
565 | goto ON_EXIT;\r | |
566 | }\r | |
c411b485 | 567 | \r |
ecc722ad | 568 | Int2OctStr (\r |
c411b485 | 569 | (UINTN *)(KeyBlob + sizeof (CPL_KEY_INFO)),\r |
20333c6d QL |
570 | KeyLenInBytes / sizeof (UINTN),\r |
571 | KeyBuffer,\r | |
ecc722ad | 572 | KeyLenInBytes\r |
573 | );\r | |
c411b485 | 574 | CopyMem (KeyBlob + sizeof (CPL_KEY_INFO), KeyBuffer, KeyLenInBytes);\r |
20333c6d | 575 | \r |
ecc722ad | 576 | //\r |
577 | // Form an new EFI_SIGNATURE_LIST.\r | |
578 | //\r | |
c411b485 MK |
579 | KekSigListSize = sizeof (EFI_SIGNATURE_LIST)\r |
580 | + sizeof (EFI_SIGNATURE_DATA) - 1\r | |
581 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
ecc722ad | 582 | \r |
c411b485 | 583 | KekSigList = (EFI_SIGNATURE_LIST *)AllocateZeroPool (KekSigListSize);\r |
ecc722ad | 584 | if (KekSigList == NULL) {\r |
585 | Status = EFI_OUT_OF_RESOURCES;\r | |
586 | goto ON_EXIT;\r | |
587 | }\r | |
588 | \r | |
c411b485 MK |
589 | KekSigList->SignatureListSize = sizeof (EFI_SIGNATURE_LIST)\r |
590 | + sizeof (EFI_SIGNATURE_DATA) - 1\r | |
ecc722ad | 591 | + WIN_CERT_UEFI_RSA2048_SIZE;\r |
592 | KekSigList->SignatureHeaderSize = 0;\r | |
c411b485 | 593 | KekSigList->SignatureSize = sizeof (EFI_SIGNATURE_DATA) - 1 + WIN_CERT_UEFI_RSA2048_SIZE;\r |
ecc722ad | 594 | CopyGuid (&KekSigList->SignatureType, &gEfiCertRsa2048Guid);\r |
20333c6d | 595 | \r |
c411b485 | 596 | KEKSigData = (EFI_SIGNATURE_DATA *)((UINT8 *)KekSigList + sizeof (EFI_SIGNATURE_LIST));\r |
ecc722ad | 597 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r |
598 | CopyMem (\r | |
599 | KEKSigData->SignatureData,\r | |
c411b485 | 600 | KeyBlob + sizeof (CPL_KEY_INFO),\r |
ecc722ad | 601 | WIN_CERT_UEFI_RSA2048_SIZE\r |
602 | );\r | |
20333c6d | 603 | \r |
ecc722ad | 604 | //\r |
20333c6d QL |
605 | // Check if KEK entry has been already existed.\r |
606 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 607 | // new KEK to original variable.\r |
20333c6d QL |
608 | //\r |
609 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
8c1babfd | 610 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
c411b485 | 611 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8 **)&KekSigList);\r |
8c1babfd | 612 | if (EFI_ERROR (Status)) {\r |
e905fbb0 | 613 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 614 | goto ON_EXIT;\r |
615 | }\r | |
616 | \r | |
c411b485 | 617 | Status = gRT->GetVariable (\r |
20333c6d QL |
618 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
619 | &gEfiGlobalVariableGuid,\r | |
620 | NULL,\r | |
621 | &DataSize,\r | |
ecc722ad | 622 | NULL\r |
623 | );\r | |
624 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
625 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
626 | } else if (Status != EFI_NOT_FOUND) {\r | |
627 | goto ON_EXIT;\r | |
628 | }\r | |
20333c6d | 629 | \r |
ecc722ad | 630 | //\r |
631 | // Done. Now we have formed the correct KEKpub database item, just set it into variable storage,\r | |
20333c6d | 632 | //\r |
c411b485 | 633 | Status = gRT->SetVariable (\r |
20333c6d QL |
634 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
635 | &gEfiGlobalVariableGuid,\r | |
636 | Attr,\r | |
637 | KekSigListSize,\r | |
ecc722ad | 638 | KekSigList\r |
639 | );\r | |
640 | if (EFI_ERROR (Status)) {\r | |
641 | goto ON_EXIT;\r | |
642 | }\r | |
20333c6d | 643 | \r |
ecc722ad | 644 | ON_EXIT:\r |
645 | \r | |
c411b485 | 646 | CloseEnrolledFile (Private->FileContext);\r |
ecc722ad | 647 | \r |
648 | if (Private->SignatureGUID != NULL) {\r | |
649 | FreePool (Private->SignatureGUID);\r | |
650 | Private->SignatureGUID = NULL;\r | |
651 | }\r | |
652 | \r | |
653 | if (KeyBlob != NULL) {\r | |
654 | FreePool (KeyBlob);\r | |
655 | }\r | |
c411b485 | 656 | \r |
ecc722ad | 657 | if (KeyBuffer != NULL) {\r |
658 | FreePool (KeyBuffer);\r | |
659 | }\r | |
c411b485 | 660 | \r |
ecc722ad | 661 | if (KekSigList != NULL) {\r |
662 | FreePool (KekSigList);\r | |
663 | }\r | |
20333c6d | 664 | \r |
ecc722ad | 665 | return Status;\r |
666 | }\r | |
667 | \r | |
668 | /**\r | |
669 | Enroll a new KEK item from X509 certificate file.\r | |
670 | \r | |
671 | @param[in] PrivateData The module's private data.\r | |
672 | \r | |
673 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
674 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
675 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
676 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
677 | \r | |
678 | **/\r | |
679 | EFI_STATUS\r | |
680 | EnrollX509ToKek (\r | |
c411b485 | 681 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r |
20333c6d | 682 | )\r |
ecc722ad | 683 | {\r |
c411b485 MK |
684 | EFI_STATUS Status;\r |
685 | UINTN X509DataSize;\r | |
686 | VOID *X509Data;\r | |
687 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
688 | EFI_SIGNATURE_LIST *KekSigList;\r | |
689 | UINTN DataSize;\r | |
690 | UINTN KekSigListSize;\r | |
691 | UINT32 Attr;\r | |
ecc722ad | 692 | \r |
693 | X509Data = NULL;\r | |
694 | X509DataSize = 0;\r | |
695 | KekSigList = NULL;\r | |
696 | KekSigListSize = 0;\r | |
697 | DataSize = 0;\r | |
698 | KEKSigData = NULL;\r | |
699 | \r | |
700 | Status = ReadFileContent (\r | |
701 | Private->FileContext->FHandle,\r | |
702 | &X509Data,\r | |
703 | &X509DataSize,\r | |
704 | 0\r | |
705 | );\r | |
706 | if (EFI_ERROR (Status)) {\r | |
707 | goto ON_EXIT;\r | |
708 | }\r | |
c411b485 | 709 | \r |
ba57d4fd | 710 | ASSERT (X509Data != NULL);\r |
ecc722ad | 711 | \r |
c411b485 MK |
712 | KekSigListSize = sizeof (EFI_SIGNATURE_LIST) + sizeof (EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r |
713 | KekSigList = (EFI_SIGNATURE_LIST *)AllocateZeroPool (KekSigListSize);\r | |
ecc722ad | 714 | if (KekSigList == NULL) {\r |
715 | Status = EFI_OUT_OF_RESOURCES;\r | |
716 | goto ON_EXIT;\r | |
717 | }\r | |
718 | \r | |
719 | //\r | |
720 | // Fill Certificate Database parameters.\r | |
20333c6d | 721 | //\r |
c411b485 | 722 | KekSigList->SignatureListSize = (UINT32)KekSigListSize;\r |
ecc722ad | 723 | KekSigList->SignatureHeaderSize = 0;\r |
c411b485 | 724 | KekSigList->SignatureSize = (UINT32)(sizeof (EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r |
ecc722ad | 725 | CopyGuid (&KekSigList->SignatureType, &gEfiCertX509Guid);\r |
726 | \r | |
c411b485 | 727 | KEKSigData = (EFI_SIGNATURE_DATA *)((UINT8 *)KekSigList + sizeof (EFI_SIGNATURE_LIST));\r |
ecc722ad | 728 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r |
729 | CopyMem (KEKSigData->SignatureData, X509Data, X509DataSize);\r | |
730 | \r | |
731 | //\r | |
20333c6d QL |
732 | // Check if KEK been already existed.\r |
733 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 734 | // new kek to original variable\r |
20333c6d QL |
735 | //\r |
736 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
c411b485 MK |
737 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
738 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8 **)&KekSigList);\r | |
8c1babfd | 739 | if (EFI_ERROR (Status)) {\r |
e905fbb0 | 740 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 741 | goto ON_EXIT;\r |
742 | }\r | |
20333c6d | 743 | \r |
c411b485 | 744 | Status = gRT->GetVariable (\r |
20333c6d QL |
745 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
746 | &gEfiGlobalVariableGuid,\r | |
747 | NULL,\r | |
748 | &DataSize,\r | |
ecc722ad | 749 | NULL\r |
750 | );\r | |
751 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
752 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
753 | } else if (Status != EFI_NOT_FOUND) {\r | |
754 | goto ON_EXIT;\r | |
20333c6d | 755 | }\r |
ecc722ad | 756 | \r |
c411b485 | 757 | Status = gRT->SetVariable (\r |
20333c6d QL |
758 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
759 | &gEfiGlobalVariableGuid,\r | |
760 | Attr,\r | |
ecc722ad | 761 | KekSigListSize,\r |
762 | KekSigList\r | |
763 | );\r | |
764 | if (EFI_ERROR (Status)) {\r | |
765 | goto ON_EXIT;\r | |
766 | }\r | |
767 | \r | |
768 | ON_EXIT:\r | |
20333c6d | 769 | \r |
c411b485 | 770 | CloseEnrolledFile (Private->FileContext);\r |
20333c6d QL |
771 | \r |
772 | if (Private->SignatureGUID != NULL) {\r | |
773 | FreePool (Private->SignatureGUID);\r | |
774 | Private->SignatureGUID = NULL;\r | |
775 | }\r | |
776 | \r | |
777 | if (KekSigList != NULL) {\r | |
778 | FreePool (KekSigList);\r | |
779 | }\r | |
780 | \r | |
781 | return Status;\r | |
782 | }\r | |
783 | \r | |
784 | /**\r | |
785 | Enroll new KEK into the System without PK's authentication.\r | |
786 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
787 | \r | |
788 | @param[in] PrivateData The module's private data.\r | |
789 | \r | |
790 | @retval EFI_SUCCESS New KEK enrolled successful.\r | |
791 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
792 | @retval others Fail to enroll KEK data.\r | |
793 | \r | |
794 | **/\r | |
795 | EFI_STATUS\r | |
796 | EnrollKeyExchangeKey (\r | |
c411b485 | 797 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r |
20333c6d QL |
798 | )\r |
799 | {\r | |
c411b485 | 800 | UINT16 *FilePostFix;\r |
20333c6d QL |
801 | EFI_STATUS Status;\r |
802 | UINTN NameLength;\r | |
803 | \r | |
4de754e1 | 804 | if ((Private->FileContext->FHandle == NULL) || (Private->FileContext->FileName == NULL) || (Private->SignatureGUID == NULL)) {\r |
20333c6d QL |
805 | return EFI_INVALID_PARAMETER;\r |
806 | }\r | |
807 | \r | |
c411b485 | 808 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
20333c6d QL |
809 | if (EFI_ERROR (Status)) {\r |
810 | return Status;\r | |
811 | }\r | |
812 | \r | |
813 | //\r | |
814 | // Parse the file's postfix. Supports DER-encoded X509 certificate,\r | |
815 | // and .pbk as RSA public key file.\r | |
816 | //\r | |
817 | NameLength = StrLen (Private->FileContext->FileName);\r | |
818 | if (NameLength <= 4) {\r | |
819 | return EFI_INVALID_PARAMETER;\r | |
820 | }\r | |
c411b485 | 821 | \r |
20333c6d | 822 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r |
c411b485 | 823 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
20333c6d | 824 | return EnrollX509ToKek (Private);\r |
c411b485 | 825 | } else if (CompareMem (FilePostFix, L".pbk", 4) == 0) {\r |
20333c6d QL |
826 | return EnrollRsa2048ToKek (Private);\r |
827 | } else {\r | |
4de754e1 ZC |
828 | //\r |
829 | // File type is wrong, simply close it\r | |
830 | //\r | |
c411b485 | 831 | CloseEnrolledFile (Private->FileContext);\r |
4de754e1 | 832 | \r |
20333c6d QL |
833 | return EFI_INVALID_PARAMETER;\r |
834 | }\r | |
835 | }\r | |
836 | \r | |
837 | /**\r | |
838 | Enroll a new X509 certificate into Signature Database (DB or DBX or DBT) without\r | |
839 | KEK's authentication.\r | |
840 | \r | |
841 | @param[in] PrivateData The module's private data.\r | |
842 | @param[in] VariableName Variable name of signature database, must be\r | |
843 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
844 | \r | |
845 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
846 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
847 | \r | |
848 | **/\r | |
849 | EFI_STATUS\r | |
850 | EnrollX509toSigDB (\r | |
c411b485 MK |
851 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
852 | IN CHAR16 *VariableName\r | |
20333c6d QL |
853 | )\r |
854 | {\r | |
c411b485 MK |
855 | EFI_STATUS Status;\r |
856 | UINTN X509DataSize;\r | |
857 | VOID *X509Data;\r | |
858 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
859 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
860 | VOID *Data;\r | |
861 | UINTN DataSize;\r | |
862 | UINTN SigDBSize;\r | |
863 | UINT32 Attr;\r | |
20333c6d QL |
864 | \r |
865 | X509DataSize = 0;\r | |
866 | SigDBSize = 0;\r | |
867 | DataSize = 0;\r | |
868 | X509Data = NULL;\r | |
869 | SigDBCert = NULL;\r | |
870 | SigDBCertData = NULL;\r | |
871 | Data = NULL;\r | |
872 | \r | |
873 | Status = ReadFileContent (\r | |
874 | Private->FileContext->FHandle,\r | |
875 | &X509Data,\r | |
876 | &X509DataSize,\r | |
877 | 0\r | |
878 | );\r | |
879 | if (EFI_ERROR (Status)) {\r | |
880 | goto ON_EXIT;\r | |
881 | }\r | |
c411b485 | 882 | \r |
20333c6d QL |
883 | ASSERT (X509Data != NULL);\r |
884 | \r | |
c411b485 | 885 | SigDBSize = sizeof (EFI_SIGNATURE_LIST) + sizeof (EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r |
20333c6d QL |
886 | \r |
887 | Data = AllocateZeroPool (SigDBSize);\r | |
888 | if (Data == NULL) {\r | |
889 | Status = EFI_OUT_OF_RESOURCES;\r | |
890 | goto ON_EXIT;\r | |
891 | }\r | |
892 | \r | |
893 | //\r | |
894 | // Fill Certificate Database parameters.\r | |
895 | //\r | |
c411b485 MK |
896 | SigDBCert = (EFI_SIGNATURE_LIST *)Data;\r |
897 | SigDBCert->SignatureListSize = (UINT32)SigDBSize;\r | |
20333c6d | 898 | SigDBCert->SignatureHeaderSize = 0;\r |
c411b485 | 899 | SigDBCert->SignatureSize = (UINT32)(sizeof (EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r |
20333c6d QL |
900 | CopyGuid (&SigDBCert->SignatureType, &gEfiCertX509Guid);\r |
901 | \r | |
c411b485 | 902 | SigDBCertData = (EFI_SIGNATURE_DATA *)((UINT8 *)SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r |
20333c6d | 903 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r |
c411b485 | 904 | CopyMem ((UINT8 *)(SigDBCertData->SignatureData), X509Data, X509DataSize);\r |
20333c6d QL |
905 | \r |
906 | //\r | |
907 | // Check if signature database entry has been already existed.\r | |
908 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
909 | // new signature data to original variable\r | |
910 | //\r | |
911 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
c411b485 MK |
912 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
913 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8 **)&Data);\r | |
20333c6d | 914 | if (EFI_ERROR (Status)) {\r |
e905fbb0 | 915 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
20333c6d QL |
916 | goto ON_EXIT;\r |
917 | }\r | |
918 | \r | |
c411b485 | 919 | Status = gRT->GetVariable (\r |
20333c6d QL |
920 | VariableName,\r |
921 | &gEfiImageSecurityDatabaseGuid,\r | |
922 | NULL,\r | |
923 | &DataSize,\r | |
924 | NULL\r | |
925 | );\r | |
926 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
927 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
928 | } else if (Status != EFI_NOT_FOUND) {\r | |
929 | goto ON_EXIT;\r | |
930 | }\r | |
931 | \r | |
c411b485 | 932 | Status = gRT->SetVariable (\r |
20333c6d QL |
933 | VariableName,\r |
934 | &gEfiImageSecurityDatabaseGuid,\r | |
935 | Attr,\r | |
936 | SigDBSize,\r | |
937 | Data\r | |
938 | );\r | |
939 | if (EFI_ERROR (Status)) {\r | |
940 | goto ON_EXIT;\r | |
941 | }\r | |
942 | \r | |
943 | ON_EXIT:\r | |
944 | \r | |
c411b485 | 945 | CloseEnrolledFile (Private->FileContext);\r |
20333c6d QL |
946 | \r |
947 | if (Private->SignatureGUID != NULL) {\r | |
948 | FreePool (Private->SignatureGUID);\r | |
949 | Private->SignatureGUID = NULL;\r | |
950 | }\r | |
951 | \r | |
952 | if (Data != NULL) {\r | |
953 | FreePool (Data);\r | |
954 | }\r | |
955 | \r | |
956 | if (X509Data != NULL) {\r | |
957 | FreePool (X509Data);\r | |
958 | }\r | |
959 | \r | |
960 | return Status;\r | |
961 | }\r | |
962 | \r | |
963 | /**\r | |
964 | Check whether signature is in specified database.\r | |
965 | \r | |
966 | @param[in] VariableName Name of database variable that is searched in.\r | |
967 | @param[in] Signature Pointer to signature that is searched for.\r | |
968 | @param[in] SignatureSize Size of Signature.\r | |
969 | \r | |
970 | @return TRUE Found the signature in the variable database.\r | |
971 | @return FALSE Not found the signature in the variable database.\r | |
972 | \r | |
973 | **/\r | |
974 | BOOLEAN\r | |
975 | IsSignatureFoundInDatabase (\r | |
c411b485 MK |
976 | IN CHAR16 *VariableName,\r |
977 | IN UINT8 *Signature,\r | |
978 | IN UINTN SignatureSize\r | |
20333c6d QL |
979 | )\r |
980 | {\r | |
981 | EFI_STATUS Status;\r | |
982 | EFI_SIGNATURE_LIST *CertList;\r | |
983 | EFI_SIGNATURE_DATA *Cert;\r | |
984 | UINTN DataSize;\r | |
985 | UINT8 *Data;\r | |
986 | UINTN Index;\r | |
987 | UINTN CertCount;\r | |
988 | BOOLEAN IsFound;\r | |
989 | \r | |
990 | //\r | |
991 | // Read signature database variable.\r | |
992 | //\r | |
c411b485 MK |
993 | IsFound = FALSE;\r |
994 | Data = NULL;\r | |
995 | DataSize = 0;\r | |
996 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
20333c6d QL |
997 | if (Status != EFI_BUFFER_TOO_SMALL) {\r |
998 | return FALSE;\r | |
999 | }\r | |
1000 | \r | |
c411b485 | 1001 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
20333c6d QL |
1002 | if (Data == NULL) {\r |
1003 | return FALSE;\r | |
1004 | }\r | |
1005 | \r | |
1006 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1007 | if (EFI_ERROR (Status)) {\r | |
1008 | goto Done;\r | |
1009 | }\r | |
1010 | \r | |
1011 | //\r | |
d6b926e7 | 1012 | // Enumerate all signature data in SigDB to check if signature exists for executable.\r |
20333c6d | 1013 | //\r |
c411b485 | 1014 | CertList = (EFI_SIGNATURE_LIST *)Data;\r |
20333c6d QL |
1015 | while ((DataSize > 0) && (DataSize >= CertList->SignatureListSize)) {\r |
1016 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
c411b485 MK |
1017 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r |
1018 | if ((CertList->SignatureSize == sizeof (EFI_SIGNATURE_DATA) - 1 + SignatureSize) && (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid))) {\r | |
20333c6d QL |
1019 | for (Index = 0; Index < CertCount; Index++) {\r |
1020 | if (CompareMem (Cert->SignatureData, Signature, SignatureSize) == 0) {\r | |
1021 | //\r | |
1022 | // Find the signature in database.\r | |
1023 | //\r | |
1024 | IsFound = TRUE;\r | |
1025 | break;\r | |
1026 | }\r | |
c411b485 MK |
1027 | \r |
1028 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)Cert + CertList->SignatureSize);\r | |
20333c6d QL |
1029 | }\r |
1030 | \r | |
1031 | if (IsFound) {\r | |
1032 | break;\r | |
1033 | }\r | |
1034 | }\r | |
1035 | \r | |
1036 | DataSize -= CertList->SignatureListSize;\r | |
c411b485 | 1037 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
20333c6d QL |
1038 | }\r |
1039 | \r | |
1040 | Done:\r | |
1041 | if (Data != NULL) {\r | |
1042 | FreePool (Data);\r | |
1043 | }\r | |
1044 | \r | |
1045 | return IsFound;\r | |
1046 | }\r | |
1047 | \r | |
1048 | /**\r | |
1049 | Calculate the hash of a certificate data with the specified hash algorithm.\r | |
1050 | \r | |
1051 | @param[in] CertData The certificate data to be hashed.\r | |
1052 | @param[in] CertSize The certificate size in bytes.\r | |
1053 | @param[in] HashAlg The specified hash algorithm.\r | |
1054 | @param[out] CertHash The output digest of the certificate\r | |
1055 | \r | |
1056 | @retval TRUE Successfully got the hash of the CertData.\r | |
1057 | @retval FALSE Failed to get the hash of CertData.\r | |
1058 | \r | |
1059 | **/\r | |
1060 | BOOLEAN\r | |
1061 | CalculateCertHash (\r | |
c411b485 MK |
1062 | IN UINT8 *CertData,\r |
1063 | IN UINTN CertSize,\r | |
1064 | IN UINT32 HashAlg,\r | |
1065 | OUT UINT8 *CertHash\r | |
20333c6d QL |
1066 | )\r |
1067 | {\r | |
c411b485 MK |
1068 | BOOLEAN Status;\r |
1069 | VOID *HashCtx;\r | |
1070 | UINTN CtxSize;\r | |
1071 | UINT8 *TBSCert;\r | |
1072 | UINTN TBSCertSize;\r | |
20333c6d QL |
1073 | \r |
1074 | HashCtx = NULL;\r | |
1075 | Status = FALSE;\r | |
1076 | \r | |
1077 | if (HashAlg >= HASHALG_MAX) {\r | |
1078 | return FALSE;\r | |
1079 | }\r | |
1080 | \r | |
12d95665 LQ |
1081 | //\r |
1082 | // Retrieve the TBSCertificate for Hash Calculation.\r | |
1083 | //\r | |
1084 | if (!X509GetTBSCert (CertData, CertSize, &TBSCert, &TBSCertSize)) {\r | |
1085 | return FALSE;\r | |
1086 | }\r | |
1087 | \r | |
20333c6d QL |
1088 | //\r |
1089 | // 1. Initialize context of hash.\r | |
1090 | //\r | |
1091 | CtxSize = mHash[HashAlg].GetContextSize ();\r | |
1092 | HashCtx = AllocatePool (CtxSize);\r | |
1093 | ASSERT (HashCtx != NULL);\r | |
1094 | \r | |
1095 | //\r | |
1096 | // 2. Initialize a hash context.\r | |
1097 | //\r | |
1098 | Status = mHash[HashAlg].HashInit (HashCtx);\r | |
1099 | if (!Status) {\r | |
1100 | goto Done;\r | |
1101 | }\r | |
1102 | \r | |
1103 | //\r | |
1104 | // 3. Calculate the hash.\r | |
1105 | //\r | |
c411b485 | 1106 | Status = mHash[HashAlg].HashUpdate (HashCtx, TBSCert, TBSCertSize);\r |
20333c6d QL |
1107 | if (!Status) {\r |
1108 | goto Done;\r | |
1109 | }\r | |
1110 | \r | |
1111 | //\r | |
1112 | // 4. Get the hash result.\r | |
1113 | //\r | |
1114 | ZeroMem (CertHash, mHash[HashAlg].DigestLength);\r | |
c411b485 | 1115 | Status = mHash[HashAlg].HashFinal (HashCtx, CertHash);\r |
20333c6d QL |
1116 | \r |
1117 | Done:\r | |
1118 | if (HashCtx != NULL) {\r | |
1119 | FreePool (HashCtx);\r | |
1120 | }\r | |
1121 | \r | |
1122 | return Status;\r | |
1123 | }\r | |
1124 | \r | |
1125 | /**\r | |
1126 | Check whether the hash of an X.509 certificate is in forbidden database (DBX).\r | |
1127 | \r | |
1128 | @param[in] Certificate Pointer to X.509 Certificate that is searched for.\r | |
1129 | @param[in] CertSize Size of X.509 Certificate.\r | |
1130 | \r | |
1131 | @return TRUE Found the certificate hash in the forbidden database.\r | |
1132 | @return FALSE Certificate hash is Not found in the forbidden database.\r | |
1133 | \r | |
1134 | **/\r | |
1135 | BOOLEAN\r | |
1136 | IsCertHashFoundInDbx (\r | |
c411b485 MK |
1137 | IN UINT8 *Certificate,\r |
1138 | IN UINTN CertSize\r | |
20333c6d QL |
1139 | )\r |
1140 | {\r | |
c411b485 MK |
1141 | BOOLEAN IsFound;\r |
1142 | EFI_STATUS Status;\r | |
1143 | EFI_SIGNATURE_LIST *DbxList;\r | |
1144 | EFI_SIGNATURE_DATA *CertHash;\r | |
1145 | UINTN CertHashCount;\r | |
1146 | UINTN Index;\r | |
1147 | UINT32 HashAlg;\r | |
1148 | UINT8 CertDigest[MAX_DIGEST_SIZE];\r | |
1149 | UINT8 *DbxCertHash;\r | |
1150 | UINTN SiglistHeaderSize;\r | |
1151 | UINT8 *Data;\r | |
1152 | UINTN DataSize;\r | |
20333c6d | 1153 | \r |
c411b485 MK |
1154 | IsFound = FALSE;\r |
1155 | HashAlg = HASHALG_MAX;\r | |
1156 | Data = NULL;\r | |
20333c6d QL |
1157 | \r |
1158 | //\r | |
1159 | // Read signature database variable.\r | |
1160 | //\r | |
c411b485 MK |
1161 | DataSize = 0;\r |
1162 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
20333c6d QL |
1163 | if (Status != EFI_BUFFER_TOO_SMALL) {\r |
1164 | return FALSE;\r | |
1165 | }\r | |
1166 | \r | |
c411b485 | 1167 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
20333c6d QL |
1168 | if (Data == NULL) {\r |
1169 | return FALSE;\r | |
1170 | }\r | |
1171 | \r | |
1172 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1173 | if (EFI_ERROR (Status)) {\r | |
1174 | goto Done;\r | |
1175 | }\r | |
1176 | \r | |
1177 | //\r | |
1178 | // Check whether the certificate hash exists in the forbidden database.\r | |
1179 | //\r | |
c411b485 | 1180 | DbxList = (EFI_SIGNATURE_LIST *)Data;\r |
20333c6d QL |
1181 | while ((DataSize > 0) && (DataSize >= DbxList->SignatureListSize)) {\r |
1182 | //\r | |
1183 | // Determine Hash Algorithm of Certificate in the forbidden database.\r | |
1184 | //\r | |
1185 | if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
1186 | HashAlg = HASHALG_SHA256;\r | |
1187 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
1188 | HashAlg = HASHALG_SHA384;\r | |
1189 | } else if (CompareGuid (&DbxList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
1190 | HashAlg = HASHALG_SHA512;\r | |
1191 | } else {\r | |
1192 | DataSize -= DbxList->SignatureListSize;\r | |
c411b485 | 1193 | DbxList = (EFI_SIGNATURE_LIST *)((UINT8 *)DbxList + DbxList->SignatureListSize);\r |
20333c6d QL |
1194 | continue;\r |
1195 | }\r | |
1196 | \r | |
1197 | //\r | |
1198 | // Calculate the hash value of current db certificate for comparision.\r | |
1199 | //\r | |
1200 | if (!CalculateCertHash (Certificate, CertSize, HashAlg, CertDigest)) {\r | |
1201 | goto Done;\r | |
1202 | }\r | |
1203 | \r | |
1204 | SiglistHeaderSize = sizeof (EFI_SIGNATURE_LIST) + DbxList->SignatureHeaderSize;\r | |
c411b485 | 1205 | CertHash = (EFI_SIGNATURE_DATA *)((UINT8 *)DbxList + SiglistHeaderSize);\r |
20333c6d QL |
1206 | CertHashCount = (DbxList->SignatureListSize - SiglistHeaderSize) / DbxList->SignatureSize;\r |
1207 | for (Index = 0; Index < CertHashCount; Index++) {\r | |
1208 | //\r | |
1209 | // Iterate each Signature Data Node within this CertList for verify.\r | |
1210 | //\r | |
1211 | DbxCertHash = CertHash->SignatureData;\r | |
1212 | if (CompareMem (DbxCertHash, CertDigest, mHash[HashAlg].DigestLength) == 0) {\r | |
1213 | //\r | |
1214 | // Hash of Certificate is found in forbidden database.\r | |
1215 | //\r | |
1216 | IsFound = TRUE;\r | |
1217 | goto Done;\r | |
1218 | }\r | |
c411b485 MK |
1219 | \r |
1220 | CertHash = (EFI_SIGNATURE_DATA *)((UINT8 *)CertHash + DbxList->SignatureSize);\r | |
20333c6d QL |
1221 | }\r |
1222 | \r | |
1223 | DataSize -= DbxList->SignatureListSize;\r | |
c411b485 | 1224 | DbxList = (EFI_SIGNATURE_LIST *)((UINT8 *)DbxList + DbxList->SignatureListSize);\r |
20333c6d QL |
1225 | }\r |
1226 | \r | |
1227 | Done:\r | |
1228 | if (Data != NULL) {\r | |
1229 | FreePool (Data);\r | |
1230 | }\r | |
1231 | \r | |
1232 | return IsFound;\r | |
1233 | }\r | |
1234 | \r | |
1235 | /**\r | |
1236 | Check whether the signature list exists in given variable data.\r | |
1237 | \r | |
d6b926e7 | 1238 | It searches the signature list for the certificate hash by CertType.\r |
20333c6d QL |
1239 | If the signature list is found, get the offset of Database for the\r |
1240 | next hash of a certificate.\r | |
1241 | \r | |
1242 | @param[in] Database Variable data to save signature list.\r | |
1243 | @param[in] DatabaseSize Variable size.\r | |
1244 | @param[in] SignatureType The type of the signature.\r | |
1245 | @param[out] Offset The offset to save a new hash of certificate.\r | |
1246 | \r | |
1247 | @return TRUE The signature list is found in the forbidden database.\r | |
1248 | @return FALSE The signature list is not found in the forbidden database.\r | |
1249 | **/\r | |
1250 | BOOLEAN\r | |
1251 | GetSignaturelistOffset (\r | |
1252 | IN EFI_SIGNATURE_LIST *Database,\r | |
1253 | IN UINTN DatabaseSize,\r | |
1254 | IN EFI_GUID *SignatureType,\r | |
1255 | OUT UINTN *Offset\r | |
1256 | )\r | |
1257 | {\r | |
c411b485 MK |
1258 | EFI_SIGNATURE_LIST *SigList;\r |
1259 | UINTN SiglistSize;\r | |
20333c6d QL |
1260 | \r |
1261 | if ((Database == NULL) || (DatabaseSize == 0)) {\r | |
1262 | *Offset = 0;\r | |
1263 | return FALSE;\r | |
1264 | }\r | |
1265 | \r | |
1266 | SigList = Database;\r | |
1267 | SiglistSize = DatabaseSize;\r | |
1268 | while ((SiglistSize > 0) && (SiglistSize >= SigList->SignatureListSize)) {\r | |
1269 | if (CompareGuid (&SigList->SignatureType, SignatureType)) {\r | |
1270 | *Offset = DatabaseSize - SiglistSize;\r | |
1271 | return TRUE;\r | |
1272 | }\r | |
c411b485 | 1273 | \r |
20333c6d | 1274 | SiglistSize -= SigList->SignatureListSize;\r |
c411b485 | 1275 | SigList = (EFI_SIGNATURE_LIST *)((UINT8 *)SigList + SigList->SignatureListSize);\r |
20333c6d | 1276 | }\r |
c411b485 | 1277 | \r |
20333c6d QL |
1278 | *Offset = 0;\r |
1279 | return FALSE;\r | |
1280 | }\r | |
1281 | \r | |
1282 | /**\r | |
1283 | Enroll a new X509 certificate hash into Signature Database (dbx) without\r | |
1284 | KEK's authentication.\r | |
1285 | \r | |
1286 | @param[in] PrivateData The module's private data.\r | |
1287 | @param[in] HashAlg The hash algorithm to enroll the certificate.\r | |
1288 | @param[in] RevocationDate The revocation date of the certificate.\r | |
1289 | @param[in] RevocationTime The revocation time of the certificate.\r | |
1290 | @param[in] AlwaysRevocation Indicate whether the certificate is always revoked.\r | |
1291 | \r | |
1292 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
1293 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1294 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1295 | \r | |
1296 | **/\r | |
1297 | EFI_STATUS\r | |
1298 | EnrollX509HashtoSigDB (\r | |
c411b485 MK |
1299 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1300 | IN UINT32 HashAlg,\r | |
1301 | IN EFI_HII_DATE *RevocationDate,\r | |
1302 | IN EFI_HII_TIME *RevocationTime,\r | |
1303 | IN BOOLEAN AlwaysRevocation\r | |
20333c6d QL |
1304 | )\r |
1305 | {\r | |
1306 | EFI_STATUS Status;\r | |
1307 | UINTN X509DataSize;\r | |
1308 | VOID *X509Data;\r | |
1309 | EFI_SIGNATURE_LIST *SignatureList;\r | |
1310 | UINTN SignatureListSize;\r | |
1311 | UINT8 *Data;\r | |
1312 | UINT8 *NewData;\r | |
1313 | UINTN DataSize;\r | |
1314 | UINTN DbSize;\r | |
1315 | UINT32 Attr;\r | |
1316 | EFI_SIGNATURE_DATA *SignatureData;\r | |
1317 | UINTN SignatureSize;\r | |
1318 | EFI_GUID SignatureType;\r | |
1319 | UINTN Offset;\r | |
1320 | UINT8 CertHash[MAX_DIGEST_SIZE];\r | |
c411b485 | 1321 | UINT16 *FilePostFix;\r |
20333c6d QL |
1322 | UINTN NameLength;\r |
1323 | EFI_TIME *Time;\r | |
1324 | \r | |
1325 | X509DataSize = 0;\r | |
1326 | DbSize = 0;\r | |
1327 | X509Data = NULL;\r | |
1328 | SignatureData = NULL;\r | |
1329 | SignatureList = NULL;\r | |
1330 | Data = NULL;\r | |
1331 | NewData = NULL;\r | |
1332 | \r | |
1333 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
1334 | return EFI_INVALID_PARAMETER;\r | |
1335 | }\r | |
1336 | \r | |
1337 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
1338 | if (EFI_ERROR (Status)) {\r | |
1339 | return Status;\r | |
1340 | }\r | |
1341 | \r | |
1342 | //\r | |
1343 | // Parse the file's postfix.\r | |
1344 | //\r | |
1345 | NameLength = StrLen (Private->FileContext->FileName);\r | |
1346 | if (NameLength <= 4) {\r | |
1347 | return EFI_INVALID_PARAMETER;\r | |
1348 | }\r | |
c411b485 | 1349 | \r |
20333c6d | 1350 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r |
c411b485 | 1351 | if (!IsDerEncodeCertificate (FilePostFix)) {\r |
20333c6d QL |
1352 | //\r |
1353 | // Only supports DER-encoded X509 certificate.\r | |
1354 | //\r | |
1355 | return EFI_INVALID_PARAMETER;\r | |
1356 | }\r | |
1357 | \r | |
1358 | //\r | |
1359 | // Get the certificate from file and calculate its hash.\r | |
1360 | //\r | |
1361 | Status = ReadFileContent (\r | |
1362 | Private->FileContext->FHandle,\r | |
1363 | &X509Data,\r | |
1364 | &X509DataSize,\r | |
1365 | 0\r | |
1366 | );\r | |
1367 | if (EFI_ERROR (Status)) {\r | |
1368 | goto ON_EXIT;\r | |
1369 | }\r | |
c411b485 | 1370 | \r |
20333c6d QL |
1371 | ASSERT (X509Data != NULL);\r |
1372 | \r | |
1373 | if (!CalculateCertHash (X509Data, X509DataSize, HashAlg, CertHash)) {\r | |
1374 | goto ON_EXIT;\r | |
1375 | }\r | |
1376 | \r | |
1377 | //\r | |
1378 | // Get the variable for enrollment.\r | |
1379 | //\r | |
1380 | DataSize = 0;\r | |
1381 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, NULL);\r | |
1382 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
c411b485 | 1383 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
20333c6d QL |
1384 | if (Data == NULL) {\r |
1385 | return EFI_OUT_OF_RESOURCES;\r | |
1386 | }\r | |
1387 | \r | |
1388 | Status = gRT->GetVariable (EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, Data);\r | |
1389 | if (EFI_ERROR (Status)) {\r | |
1390 | goto ON_EXIT;\r | |
1391 | }\r | |
1392 | }\r | |
1393 | \r | |
1394 | //\r | |
1395 | // Allocate memory for Signature and fill the Signature\r | |
1396 | //\r | |
c411b485 MK |
1397 | SignatureSize = sizeof (EFI_SIGNATURE_DATA) - 1 + sizeof (EFI_TIME) + mHash[HashAlg].DigestLength;\r |
1398 | SignatureData = (EFI_SIGNATURE_DATA *)AllocateZeroPool (SignatureSize);\r | |
20333c6d QL |
1399 | if (SignatureData == NULL) {\r |
1400 | return EFI_OUT_OF_RESOURCES;\r | |
1401 | }\r | |
c411b485 | 1402 | \r |
20333c6d QL |
1403 | CopyGuid (&SignatureData->SignatureOwner, Private->SignatureGUID);\r |
1404 | CopyMem (SignatureData->SignatureData, CertHash, mHash[HashAlg].DigestLength);\r | |
1405 | \r | |
1406 | //\r | |
1407 | // Fill the time.\r | |
1408 | //\r | |
1409 | if (!AlwaysRevocation) {\r | |
c411b485 | 1410 | Time = (EFI_TIME *)(&SignatureData->SignatureData + mHash[HashAlg].DigestLength);\r |
20333c6d QL |
1411 | Time->Year = RevocationDate->Year;\r |
1412 | Time->Month = RevocationDate->Month;\r | |
1413 | Time->Day = RevocationDate->Day;\r | |
1414 | Time->Hour = RevocationTime->Hour;\r | |
1415 | Time->Minute = RevocationTime->Minute;\r | |
1416 | Time->Second = RevocationTime->Second;\r | |
1417 | }\r | |
1418 | \r | |
1419 | //\r | |
1420 | // Determine the GUID for certificate hash.\r | |
1421 | //\r | |
1422 | switch (HashAlg) {\r | |
c411b485 MK |
1423 | case HASHALG_SHA256:\r |
1424 | SignatureType = gEfiCertX509Sha256Guid;\r | |
1425 | break;\r | |
1426 | case HASHALG_SHA384:\r | |
1427 | SignatureType = gEfiCertX509Sha384Guid;\r | |
1428 | break;\r | |
1429 | case HASHALG_SHA512:\r | |
1430 | SignatureType = gEfiCertX509Sha512Guid;\r | |
1431 | break;\r | |
1432 | default:\r | |
1433 | return FALSE;\r | |
20333c6d QL |
1434 | }\r |
1435 | \r | |
1436 | //\r | |
1437 | // Add signature into the new variable data buffer\r | |
1438 | //\r | |
c411b485 | 1439 | if (GetSignaturelistOffset ((EFI_SIGNATURE_LIST *)Data, DataSize, &SignatureType, &Offset)) {\r |
20333c6d QL |
1440 | //\r |
1441 | // Add the signature to the found signaturelist.\r | |
1442 | //\r | |
1443 | DbSize = DataSize + SignatureSize;\r | |
1444 | NewData = AllocateZeroPool (DbSize);\r | |
1445 | if (NewData == NULL) {\r | |
1446 | Status = EFI_OUT_OF_RESOURCES;\r | |
1447 | goto ON_EXIT;\r | |
1448 | }\r | |
1449 | \r | |
1450 | SignatureList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
c411b485 | 1451 | SignatureListSize = (UINTN)ReadUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize);\r |
20333c6d QL |
1452 | CopyMem (NewData, Data, Offset + SignatureListSize);\r |
1453 | \r | |
1454 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + Offset);\r | |
c411b485 | 1455 | WriteUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize, (UINT32)(SignatureListSize + SignatureSize));\r |
20333c6d QL |
1456 | \r |
1457 | Offset += SignatureListSize;\r | |
1458 | CopyMem (NewData + Offset, SignatureData, SignatureSize);\r | |
1459 | CopyMem (NewData + Offset + SignatureSize, Data + Offset, DataSize - Offset);\r | |
1460 | \r | |
1461 | FreePool (Data);\r | |
1462 | Data = NewData;\r | |
1463 | DataSize = DbSize;\r | |
1464 | } else {\r | |
1465 | //\r | |
1466 | // Create a new signaturelist, and add the signature into the signaturelist.\r | |
1467 | //\r | |
c411b485 | 1468 | DbSize = DataSize + sizeof (EFI_SIGNATURE_LIST) + SignatureSize;\r |
20333c6d QL |
1469 | NewData = AllocateZeroPool (DbSize);\r |
1470 | if (NewData == NULL) {\r | |
1471 | Status = EFI_OUT_OF_RESOURCES;\r | |
1472 | goto ON_EXIT;\r | |
1473 | }\r | |
c411b485 | 1474 | \r |
20333c6d QL |
1475 | //\r |
1476 | // Fill Certificate Database parameters.\r | |
1477 | //\r | |
c411b485 MK |
1478 | SignatureList = (EFI_SIGNATURE_LIST *)(NewData + DataSize);\r |
1479 | SignatureListSize = sizeof (EFI_SIGNATURE_LIST) + SignatureSize;\r | |
1480 | WriteUnaligned32 ((UINT32 *)&SignatureList->SignatureListSize, (UINT32)SignatureListSize);\r | |
1481 | WriteUnaligned32 ((UINT32 *)&SignatureList->SignatureSize, (UINT32)SignatureSize);\r | |
20333c6d | 1482 | CopyGuid (&SignatureList->SignatureType, &SignatureType);\r |
c411b485 | 1483 | CopyMem ((UINT8 *)SignatureList + sizeof (EFI_SIGNATURE_LIST), SignatureData, SignatureSize);\r |
20333c6d QL |
1484 | if ((DataSize != 0) && (Data != NULL)) {\r |
1485 | CopyMem (NewData, Data, DataSize);\r | |
1486 | FreePool (Data);\r | |
1487 | }\r | |
c411b485 | 1488 | \r |
20333c6d QL |
1489 | Data = NewData;\r |
1490 | DataSize = DbSize;\r | |
1491 | }\r | |
1492 | \r | |
c411b485 | 1493 | Status = CreateTimeBasedPayload (&DataSize, (UINT8 **)&Data);\r |
20333c6d QL |
1494 | if (EFI_ERROR (Status)) {\r |
1495 | goto ON_EXIT;\r | |
1496 | }\r | |
1497 | \r | |
1498 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
c411b485 MK |
1499 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
1500 | Status = gRT->SetVariable (\r | |
20333c6d QL |
1501 | EFI_IMAGE_SECURITY_DATABASE1,\r |
1502 | &gEfiImageSecurityDatabaseGuid,\r | |
1503 | Attr,\r | |
1504 | DataSize,\r | |
1505 | Data\r | |
1506 | );\r | |
1507 | if (EFI_ERROR (Status)) {\r | |
1508 | goto ON_EXIT;\r | |
1509 | }\r | |
1510 | \r | |
1511 | ON_EXIT:\r | |
762d8ddb | 1512 | \r |
c411b485 | 1513 | CloseEnrolledFile (Private->FileContext);\r |
ecc722ad | 1514 | \r |
1515 | if (Private->SignatureGUID != NULL) {\r | |
1516 | FreePool (Private->SignatureGUID);\r | |
1517 | Private->SignatureGUID = NULL;\r | |
1518 | }\r | |
1519 | \r | |
20333c6d QL |
1520 | if (Data != NULL) {\r |
1521 | FreePool (Data);\r | |
ecc722ad | 1522 | }\r |
1523 | \r | |
20333c6d QL |
1524 | if (SignatureData != NULL) {\r |
1525 | FreePool (SignatureData);\r | |
ecc722ad | 1526 | }\r |
1527 | \r | |
20333c6d QL |
1528 | if (X509Data != NULL) {\r |
1529 | FreePool (X509Data);\r | |
f71ed839 | 1530 | }\r |
1531 | \r | |
20333c6d | 1532 | return Status;\r |
ecc722ad | 1533 | }\r |
1534 | \r | |
1535 | /**\r | |
20333c6d | 1536 | Check whether a certificate from a file exists in dbx.\r |
ecc722ad | 1537 | \r |
1538 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
1539 | @param[in] VariableName Variable name of signature database, must be\r |
1540 | EFI_IMAGE_SECURITY_DATABASE1.\r | |
ecc722ad | 1541 | \r |
20333c6d QL |
1542 | @retval TRUE The X509 certificate is found in dbx successfully.\r |
1543 | @retval FALSE The X509 certificate is not found in dbx.\r | |
ecc722ad | 1544 | **/\r |
20333c6d QL |
1545 | BOOLEAN\r |
1546 | IsX509CertInDbx (\r | |
c411b485 MK |
1547 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
1548 | IN CHAR16 *VariableName\r | |
20333c6d | 1549 | )\r |
ecc722ad | 1550 | {\r |
c411b485 MK |
1551 | EFI_STATUS Status;\r |
1552 | UINTN X509DataSize;\r | |
1553 | VOID *X509Data;\r | |
1554 | BOOLEAN IsFound;\r | |
ecc722ad | 1555 | \r |
20333c6d QL |
1556 | //\r |
1557 | // Read the certificate from file\r | |
1558 | //\r | |
c411b485 MK |
1559 | X509DataSize = 0;\r |
1560 | X509Data = NULL;\r | |
1561 | Status = ReadFileContent (\r | |
1562 | Private->FileContext->FHandle,\r | |
1563 | &X509Data,\r | |
1564 | &X509DataSize,\r | |
1565 | 0\r | |
1566 | );\r | |
ecc722ad | 1567 | if (EFI_ERROR (Status)) {\r |
20333c6d | 1568 | return FALSE;\r |
ecc722ad | 1569 | }\r |
1570 | \r | |
1571 | //\r | |
20333c6d | 1572 | // Check the raw certificate.\r |
ecc722ad | 1573 | //\r |
20333c6d QL |
1574 | IsFound = FALSE;\r |
1575 | if (IsSignatureFoundInDatabase (EFI_IMAGE_SECURITY_DATABASE1, X509Data, X509DataSize)) {\r | |
1576 | IsFound = TRUE;\r | |
8c1babfd | 1577 | goto ON_EXIT;\r |
1578 | }\r | |
ecc722ad | 1579 | \r |
20333c6d QL |
1580 | //\r |
1581 | // Check the hash of certificate.\r | |
1582 | //\r | |
1583 | if (IsCertHashFoundInDbx (X509Data, X509DataSize)) {\r | |
1584 | IsFound = TRUE;\r | |
ecc722ad | 1585 | goto ON_EXIT;\r |
1586 | }\r | |
1587 | \r | |
1588 | ON_EXIT:\r | |
ecc722ad | 1589 | if (X509Data != NULL) {\r |
1590 | FreePool (X509Data);\r | |
1591 | }\r | |
1592 | \r | |
20333c6d | 1593 | return IsFound;\r |
ecc722ad | 1594 | }\r |
1595 | \r | |
5e9dfc67 LG |
1596 | /**\r |
1597 | Reads contents of a PE/COFF image in memory buffer.\r | |
1598 | \r | |
1599 | Caution: This function may receive untrusted input.\r | |
1600 | PE/COFF image is external input, so this function will make sure the PE/COFF image content\r | |
1601 | read is within the image buffer.\r | |
1602 | \r | |
1603 | @param FileHandle Pointer to the file handle to read the PE/COFF image.\r | |
1604 | @param FileOffset Offset into the PE/COFF image to begin the read operation.\r | |
1605 | @param ReadSize On input, the size in bytes of the requested read operation.\r | |
1606 | On output, the number of bytes actually read.\r | |
1607 | @param Buffer Output buffer that contains the data read from the PE/COFF image.\r | |
1608 | \r | |
1609 | @retval EFI_SUCCESS The specified portion of the PE/COFF image was read and the size\r | |
1610 | **/\r | |
1611 | EFI_STATUS\r | |
1612 | EFIAPI\r | |
1613 | SecureBootConfigImageRead (\r | |
c411b485 MK |
1614 | IN VOID *FileHandle,\r |
1615 | IN UINTN FileOffset,\r | |
1616 | IN OUT UINTN *ReadSize,\r | |
1617 | OUT VOID *Buffer\r | |
5e9dfc67 LG |
1618 | )\r |
1619 | {\r | |
c411b485 | 1620 | UINTN EndPosition;\r |
5e9dfc67 | 1621 | \r |
c411b485 | 1622 | if ((FileHandle == NULL) || (ReadSize == NULL) || (Buffer == NULL)) {\r |
5e9dfc67 LG |
1623 | return EFI_INVALID_PARAMETER;\r |
1624 | }\r | |
1625 | \r | |
1626 | if (MAX_ADDRESS - FileOffset < *ReadSize) {\r | |
1627 | return EFI_INVALID_PARAMETER;\r | |
1628 | }\r | |
1629 | \r | |
1630 | EndPosition = FileOffset + *ReadSize;\r | |
1631 | if (EndPosition > mImageSize) {\r | |
1632 | *ReadSize = (UINT32)(mImageSize - FileOffset);\r | |
1633 | }\r | |
1634 | \r | |
1635 | if (FileOffset >= mImageSize) {\r | |
1636 | *ReadSize = 0;\r | |
1637 | }\r | |
1638 | \r | |
c411b485 | 1639 | CopyMem (Buffer, (UINT8 *)((UINTN)FileHandle + FileOffset), *ReadSize);\r |
5e9dfc67 LG |
1640 | \r |
1641 | return EFI_SUCCESS;\r | |
1642 | }\r | |
1643 | \r | |
ecc722ad | 1644 | /**\r |
1645 | Load PE/COFF image information into internal buffer and check its validity.\r | |
1646 | \r | |
1647 | @retval EFI_SUCCESS Successful\r | |
1648 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
1649 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
1650 | \r | |
1651 | **/\r | |
1652 | EFI_STATUS\r | |
1653 | LoadPeImage (\r | |
20333c6d QL |
1654 | VOID\r |
1655 | )\r | |
ecc722ad | 1656 | {\r |
c411b485 MK |
1657 | EFI_IMAGE_DOS_HEADER *DosHdr;\r |
1658 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
1659 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
1660 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
1661 | EFI_STATUS Status;\r | |
ecc722ad | 1662 | \r |
1663 | NtHeader32 = NULL;\r | |
1664 | NtHeader64 = NULL;\r | |
5e9dfc67 LG |
1665 | \r |
1666 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
c411b485 MK |
1667 | ImageContext.Handle = (VOID *)mImageBase;\r |
1668 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE)SecureBootConfigImageRead;\r | |
5e9dfc67 LG |
1669 | \r |
1670 | //\r | |
1671 | // Get information about the image being loaded\r | |
1672 | //\r | |
1673 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r | |
1674 | if (EFI_ERROR (Status)) {\r | |
1675 | //\r | |
1676 | // The information can't be got from the invalid PeImage\r | |
1677 | //\r | |
1678 | DEBUG ((DEBUG_INFO, "SecureBootConfigDxe: PeImage invalid. \n"));\r | |
1679 | return Status;\r | |
1680 | }\r | |
1681 | \r | |
ecc722ad | 1682 | //\r |
1683 | // Read the Dos header\r | |
1684 | //\r | |
c411b485 MK |
1685 | DosHdr = (EFI_IMAGE_DOS_HEADER *)(mImageBase);\r |
1686 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r | |
ecc722ad | 1687 | //\r |
20333c6d | 1688 | // DOS image header is present,\r |
ecc722ad | 1689 | // So read the PE header after the DOS image header\r |
1690 | //\r | |
1691 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
c411b485 | 1692 | } else {\r |
ecc722ad | 1693 | mPeCoffHeaderOffset = 0;\r |
1694 | }\r | |
1695 | \r | |
1696 | //\r | |
1697 | // Read PE header and check the signature validity and machine compatibility\r | |
1698 | //\r | |
c411b485 MK |
1699 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32 *)(mImageBase + mPeCoffHeaderOffset);\r |
1700 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE) {\r | |
ecc722ad | 1701 | return EFI_UNSUPPORTED;\r |
1702 | }\r | |
1703 | \r | |
1704 | mNtHeader.Pe32 = NtHeader32;\r | |
1705 | \r | |
1706 | //\r | |
1707 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1708 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1709 | //\r | |
c411b485 MK |
1710 | if ( (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32)\r |
1711 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)\r | |
1712 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED))\r | |
1713 | {\r | |
ecc722ad | 1714 | //\r |
a16170a1 | 1715 | // 32-bits Architecture\r |
ecc722ad | 1716 | //\r |
c411b485 MK |
1717 | mImageType = ImageType_IA32;\r |
1718 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY *)&(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1719 | } else if ( (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
1720 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)\r | |
1721 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_AARCH64))\r | |
1722 | {\r | |
ecc722ad | 1723 | //\r |
1724 | // 64-bits Architecture\r | |
1725 | //\r | |
c411b485 MK |
1726 | mImageType = ImageType_X64;\r |
1727 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *)(mImageBase + mPeCoffHeaderOffset);\r | |
1728 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY *)&(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
ecc722ad | 1729 | } else {\r |
1730 | return EFI_UNSUPPORTED;\r | |
1731 | }\r | |
1732 | \r | |
1733 | return EFI_SUCCESS;\r | |
1734 | }\r | |
1735 | \r | |
1736 | /**\r | |
1737 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1738 | PE/COFF Specification 8.0 Appendix A\r | |
1739 | \r | |
b3548d32 | 1740 | Notes: PE/COFF image has been checked by BasePeCoffLib PeCoffLoaderGetImageInfo() in\r |
5e9dfc67 LG |
1741 | the function LoadPeImage ().\r |
1742 | \r | |
ecc722ad | 1743 | @param[in] HashAlg Hash algorithm type.\r |
20333c6d | 1744 | \r |
ecc722ad | 1745 | @retval TRUE Successfully hash image.\r |
1746 | @retval FALSE Fail in hash image.\r | |
1747 | \r | |
1748 | **/\r | |
20333c6d | 1749 | BOOLEAN\r |
ecc722ad | 1750 | HashPeImage (\r |
c411b485 | 1751 | IN UINT32 HashAlg\r |
ecc722ad | 1752 | )\r |
1753 | {\r | |
1754 | BOOLEAN Status;\r | |
ecc722ad | 1755 | EFI_IMAGE_SECTION_HEADER *Section;\r |
1756 | VOID *HashCtx;\r | |
1757 | UINTN CtxSize;\r | |
1758 | UINT8 *HashBase;\r | |
1759 | UINTN HashSize;\r | |
1760 | UINTN SumOfBytesHashed;\r | |
1761 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1762 | UINTN Index;\r | |
1763 | UINTN Pos;\r | |
1764 | \r | |
1765 | HashCtx = NULL;\r | |
1766 | SectionHeader = NULL;\r | |
1767 | Status = FALSE;\r | |
1768 | \r | |
c035e373 | 1769 | if (HashAlg != HASHALG_SHA256) {\r |
ecc722ad | 1770 | return FALSE;\r |
1771 | }\r | |
20333c6d | 1772 | \r |
ecc722ad | 1773 | //\r |
1774 | // Initialize context of hash.\r | |
1775 | //\r | |
1776 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1777 | \r | |
c411b485 MK |
1778 | mImageDigestSize = SHA256_DIGEST_SIZE;\r |
1779 | mCertType = gEfiCertSha256Guid;\r | |
ecc722ad | 1780 | \r |
c411b485 | 1781 | CtxSize = mHash[HashAlg].GetContextSize ();\r |
20333c6d | 1782 | \r |
ecc722ad | 1783 | HashCtx = AllocatePool (CtxSize);\r |
1784 | ASSERT (HashCtx != NULL);\r | |
1785 | \r | |
1786 | // 1. Load the image header into memory.\r | |
1787 | \r | |
1788 | // 2. Initialize a SHA hash context.\r | |
c411b485 | 1789 | Status = mHash[HashAlg].HashInit (HashCtx);\r |
ecc722ad | 1790 | if (!Status) {\r |
1791 | goto Done;\r | |
1792 | }\r | |
c411b485 | 1793 | \r |
ecc722ad | 1794 | //\r |
1795 | // Measuring PE/COFF Image Header;\r | |
1796 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1797 | //\r | |
20333c6d | 1798 | \r |
ecc722ad | 1799 | //\r |
1800 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1801 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1802 | //\r | |
1803 | HashBase = mImageBase;\r | |
f199664c | 1804 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1805 | //\r |
1806 | // Use PE32 offset.\r | |
1807 | //\r | |
c411b485 | 1808 | HashSize = (UINTN)(&mNtHeader.Pe32->OptionalHeader.CheckSum) - (UINTN)HashBase;\r |
ecc722ad | 1809 | } else {\r |
1810 | //\r | |
1811 | // Use PE32+ offset.\r | |
1812 | //\r | |
c411b485 | 1813 | HashSize = (UINTN)(&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - (UINTN)HashBase;\r |
ecc722ad | 1814 | }\r |
1815 | \r | |
c411b485 | 1816 | Status = mHash[HashAlg].HashUpdate (HashCtx, HashBase, HashSize);\r |
ecc722ad | 1817 | if (!Status) {\r |
1818 | goto Done;\r | |
1819 | }\r | |
c411b485 | 1820 | \r |
ecc722ad | 1821 | //\r |
1822 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1823 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1824 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1825 | //\r | |
f199664c | 1826 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1827 | //\r |
1828 | // Use PE32 offset.\r | |
1829 | //\r | |
c411b485 MK |
1830 | HashBase = (UINT8 *)&mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r |
1831 | HashSize = (UINTN)(&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN)HashBase;\r | |
ecc722ad | 1832 | } else {\r |
1833 | //\r | |
1834 | // Use PE32+ offset.\r | |
20333c6d | 1835 | //\r |
c411b485 MK |
1836 | HashBase = (UINT8 *)&mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r |
1837 | HashSize = (UINTN)(&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - (UINTN)HashBase;\r | |
ecc722ad | 1838 | }\r |
1839 | \r | |
c411b485 | 1840 | Status = mHash[HashAlg].HashUpdate (HashCtx, HashBase, HashSize);\r |
ecc722ad | 1841 | if (!Status) {\r |
1842 | goto Done;\r | |
1843 | }\r | |
c411b485 | 1844 | \r |
ecc722ad | 1845 | //\r |
1846 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
1847 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
1848 | //\r | |
f199664c | 1849 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1850 | //\r |
1851 | // Use PE32 offset\r | |
1852 | //\r | |
c411b485 MK |
1853 | HashBase = (UINT8 *)&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r |
1854 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - ((UINTN)(&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN)mImageBase);\r | |
ecc722ad | 1855 | } else {\r |
1856 | //\r | |
1857 | // Use PE32+ offset.\r | |
1858 | //\r | |
c411b485 MK |
1859 | HashBase = (UINT8 *)&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r |
1860 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - ((UINTN)(&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - (UINTN)mImageBase);\r | |
ecc722ad | 1861 | }\r |
1862 | \r | |
c411b485 | 1863 | Status = mHash[HashAlg].HashUpdate (HashCtx, HashBase, HashSize);\r |
ecc722ad | 1864 | if (!Status) {\r |
1865 | goto Done;\r | |
1866 | }\r | |
c411b485 | 1867 | \r |
ecc722ad | 1868 | //\r |
1869 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
1870 | //\r | |
f199664c | 1871 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1872 | //\r |
1873 | // Use PE32 offset.\r | |
1874 | //\r | |
1875 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
1876 | } else {\r | |
1877 | //\r | |
1878 | // Use PE32+ offset\r | |
1879 | //\r | |
1880 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
1881 | }\r | |
1882 | \r | |
1883 | //\r | |
1884 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
1885 | // structures in the image. The 'NumberOfSections' field of the image\r | |
1886 | // header indicates how big the table should be. Do not include any\r | |
1887 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
1888 | //\r | |
c411b485 | 1889 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *)AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r |
ecc722ad | 1890 | ASSERT (SectionHeader != NULL);\r |
1891 | //\r | |
1892 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
1893 | // a key, arrange the elements in the table in ascending order. In other\r | |
1894 | // words, sort the section headers according to the disk-file offset of\r | |
1895 | // the section.\r | |
1896 | //\r | |
c411b485 MK |
1897 | Section = (EFI_IMAGE_SECTION_HEADER *)(\r |
1898 | mImageBase +\r | |
1899 | mPeCoffHeaderOffset +\r | |
1900 | sizeof (UINT32) +\r | |
1901 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
1902 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1903 | );\r | |
ecc722ad | 1904 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r |
1905 | Pos = Index;\r | |
1906 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
1907 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1908 | Pos--;\r | |
1909 | }\r | |
c411b485 | 1910 | \r |
ecc722ad | 1911 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r |
1912 | Section += 1;\r | |
1913 | }\r | |
1914 | \r | |
1915 | //\r | |
1916 | // 13. Walk through the sorted table, bring the corresponding section\r | |
1917 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
1918 | // field in the section header to determine the amount of data to hash).\r | |
1919 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
1920 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
1921 | //\r | |
1922 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1923 | Section = &SectionHeader[Index];\r | |
1924 | if (Section->SizeOfRawData == 0) {\r | |
1925 | continue;\r | |
1926 | }\r | |
ecc722ad | 1927 | \r |
c411b485 MK |
1928 | HashBase = mImageBase + Section->PointerToRawData;\r |
1929 | HashSize = (UINTN)Section->SizeOfRawData;\r | |
1930 | \r | |
1931 | Status = mHash[HashAlg].HashUpdate (HashCtx, HashBase, HashSize);\r | |
ecc722ad | 1932 | if (!Status) {\r |
1933 | goto Done;\r | |
1934 | }\r | |
1935 | \r | |
1936 | SumOfBytesHashed += HashSize;\r | |
1937 | }\r | |
1938 | \r | |
1939 | //\r | |
1940 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
1941 | // data in the file that needs to be added to the hash. This data begins\r | |
1942 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
1943 | // FileSize - (CertDirectory->Size)\r | |
1944 | //\r | |
1945 | if (mImageSize > SumOfBytesHashed) {\r | |
1946 | HashBase = mImageBase + SumOfBytesHashed;\r | |
f199664c | 1947 | if (mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
ecc722ad | 1948 | //\r |
1949 | // Use PE32 offset.\r | |
1950 | //\r | |
1951 | HashSize = (UINTN)(\r | |
c411b485 MK |
1952 | mImageSize -\r |
1953 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
1954 | SumOfBytesHashed);\r | |
ecc722ad | 1955 | } else {\r |
1956 | //\r | |
1957 | // Use PE32+ offset.\r | |
1958 | //\r | |
1959 | HashSize = (UINTN)(\r | |
c411b485 MK |
1960 | mImageSize -\r |
1961 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
1962 | SumOfBytesHashed);\r | |
ecc722ad | 1963 | }\r |
1964 | \r | |
c411b485 | 1965 | Status = mHash[HashAlg].HashUpdate (HashCtx, HashBase, HashSize);\r |
ecc722ad | 1966 | if (!Status) {\r |
1967 | goto Done;\r | |
1968 | }\r | |
1969 | }\r | |
1970 | \r | |
c411b485 | 1971 | Status = mHash[HashAlg].HashFinal (HashCtx, mImageDigest);\r |
ecc722ad | 1972 | \r |
1973 | Done:\r | |
1974 | if (HashCtx != NULL) {\r | |
1975 | FreePool (HashCtx);\r | |
1976 | }\r | |
c411b485 | 1977 | \r |
ecc722ad | 1978 | if (SectionHeader != NULL) {\r |
1979 | FreePool (SectionHeader);\r | |
1980 | }\r | |
c411b485 | 1981 | \r |
ecc722ad | 1982 | return Status;\r |
1983 | }\r | |
1984 | \r | |
1985 | /**\r | |
69f8bb52 | 1986 | Recognize the Hash algorithm in PE/COFF Authenticode and calculate hash of\r |
20333c6d | 1987 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification\r |
ecc722ad | 1988 | 8.0 Appendix A\r |
1989 | \r | |
1990 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
1991 | @retval EFI_SUCCESS Hash successfully.\r | |
1992 | \r | |
1993 | **/\r | |
20333c6d | 1994 | EFI_STATUS\r |
ecc722ad | 1995 | HashPeImageByType (\r |
1996 | VOID\r | |
1997 | )\r | |
1998 | {\r | |
1999 | UINT8 Index;\r | |
2000 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
2001 | \r | |
c411b485 | 2002 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *)(mImageBase + mSecDataDir->Offset);\r |
ecc722ad | 2003 | \r |
20333c6d | 2004 | for (Index = 0; Index < HASHALG_MAX; Index++) {\r |
ecc722ad | 2005 | //\r |
2006 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
20333c6d | 2007 | // According to PKCS#7 Definition:\r |
ecc722ad | 2008 | // SignedData ::= SEQUENCE {\r |
2009 | // version Version,\r | |
2010 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
2011 | // contentInfo ContentInfo,\r | |
2012 | // .... }\r | |
2013 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
2014 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
2015 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
c411b485 | 2016 | //\r |
ecc722ad | 2017 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r |
2018 | //\r | |
2019 | // Only support two bytes of Long Form of Length Encoding.\r | |
2020 | //\r | |
2021 | continue;\r | |
2022 | }\r | |
2023 | \r | |
20333c6d | 2024 | //\r |
ecc722ad | 2025 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r |
2026 | break;\r | |
2027 | }\r | |
2028 | }\r | |
2029 | \r | |
2030 | if (Index == HASHALG_MAX) {\r | |
2031 | return EFI_UNSUPPORTED;\r | |
2032 | }\r | |
2033 | \r | |
2034 | //\r | |
2035 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
2036 | //\r | |
c411b485 | 2037 | if (!HashPeImage (Index)) {\r |
ecc722ad | 2038 | return EFI_UNSUPPORTED;\r |
2039 | }\r | |
2040 | \r | |
2041 | return EFI_SUCCESS;\r | |
2042 | }\r | |
2043 | \r | |
4de754e1 | 2044 | /**\r |
d6b926e7 | 2045 | Enroll a new signature of executable into Signature Database.\r |
4de754e1 ZC |
2046 | \r |
2047 | @param[in] PrivateData The module's private data.\r | |
2048 | @param[in] VariableName Variable name of signature database, must be\r | |
2049 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2050 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
2051 | \r | |
2052 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2053 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2054 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2055 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2056 | \r | |
2057 | **/\r | |
2058 | EFI_STATUS\r | |
2059 | EnrollAuthentication2Descriptor (\r | |
c411b485 MK |
2060 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
2061 | IN CHAR16 *VariableName\r | |
4de754e1 ZC |
2062 | )\r |
2063 | {\r | |
c411b485 MK |
2064 | EFI_STATUS Status;\r |
2065 | VOID *Data;\r | |
2066 | UINTN DataSize;\r | |
2067 | UINT32 Attr;\r | |
4de754e1 ZC |
2068 | \r |
2069 | Data = NULL;\r | |
2070 | \r | |
2071 | //\r | |
2072 | // DBT only support DER-X509 Cert Enrollment\r | |
2073 | //\r | |
2074 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r | |
2075 | return EFI_UNSUPPORTED;\r | |
2076 | }\r | |
2077 | \r | |
2078 | //\r | |
2079 | // Read the whole file content\r | |
2080 | //\r | |
c411b485 | 2081 | Status = ReadFileContent (\r |
4de754e1 | 2082 | Private->FileContext->FHandle,\r |
c411b485 | 2083 | (VOID **)&mImageBase,\r |
4de754e1 ZC |
2084 | &mImageSize,\r |
2085 | 0\r | |
2086 | );\r | |
2087 | if (EFI_ERROR (Status)) {\r | |
2088 | goto ON_EXIT;\r | |
2089 | }\r | |
c411b485 | 2090 | \r |
4de754e1 ZC |
2091 | ASSERT (mImageBase != NULL);\r |
2092 | \r | |
2093 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r | |
2094 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
2095 | \r | |
2096 | //\r | |
2097 | // Check if SigDB variable has been already existed.\r | |
2098 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
2099 | // new signature data to original variable\r | |
2100 | //\r | |
2101 | DataSize = 0;\r | |
c411b485 MK |
2102 | Status = gRT->GetVariable (\r |
2103 | VariableName,\r | |
2104 | &gEfiImageSecurityDatabaseGuid,\r | |
2105 | NULL,\r | |
2106 | &DataSize,\r | |
2107 | NULL\r | |
2108 | );\r | |
4de754e1 ZC |
2109 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
2110 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2111 | } else if (Status != EFI_NOT_FOUND) {\r | |
2112 | goto ON_EXIT;\r | |
2113 | }\r | |
2114 | \r | |
2115 | //\r | |
d6b926e7 | 2116 | // Directly set AUTHENTICATION_2 data to SetVariable\r |
4de754e1 | 2117 | //\r |
c411b485 | 2118 | Status = gRT->SetVariable (\r |
4de754e1 ZC |
2119 | VariableName,\r |
2120 | &gEfiImageSecurityDatabaseGuid,\r | |
2121 | Attr,\r | |
2122 | mImageSize,\r | |
2123 | mImageBase\r | |
2124 | );\r | |
2125 | \r | |
c411b485 | 2126 | DEBUG ((DEBUG_INFO, "Enroll AUTH_2 data to Var:%s Status: %x\n", VariableName, Status));\r |
4de754e1 ZC |
2127 | \r |
2128 | ON_EXIT:\r | |
2129 | \r | |
c411b485 | 2130 | CloseEnrolledFile (Private->FileContext);\r |
4de754e1 ZC |
2131 | \r |
2132 | if (Data != NULL) {\r | |
2133 | FreePool (Data);\r | |
2134 | }\r | |
2135 | \r | |
2136 | if (mImageBase != NULL) {\r | |
2137 | FreePool (mImageBase);\r | |
2138 | mImageBase = NULL;\r | |
2139 | }\r | |
2140 | \r | |
2141 | return Status;\r | |
4de754e1 ZC |
2142 | }\r |
2143 | \r | |
ecc722ad | 2144 | /**\r |
d6b926e7 | 2145 | Enroll a new signature of executable into Signature Database.\r |
ecc722ad | 2146 | \r |
2147 | @param[in] PrivateData The module's private data.\r | |
20333c6d QL |
2148 | @param[in] VariableName Variable name of signature database, must be\r |
2149 | EFI_IMAGE_SECURITY_DATABASE, EFI_IMAGE_SECURITY_DATABASE1\r | |
2150 | or EFI_IMAGE_SECURITY_DATABASE2.\r | |
ecc722ad | 2151 | \r |
2152 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
2153 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2154 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
2155 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
2156 | \r | |
2157 | **/\r | |
2158 | EFI_STATUS\r | |
2159 | EnrollImageSignatureToSigDB (\r | |
c411b485 MK |
2160 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
2161 | IN CHAR16 *VariableName\r | |
ecc722ad | 2162 | )\r |
2163 | {\r | |
c411b485 MK |
2164 | EFI_STATUS Status;\r |
2165 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
2166 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
2167 | VOID *Data;\r | |
2168 | UINTN DataSize;\r | |
2169 | UINTN SigDBSize;\r | |
2170 | UINT32 Attr;\r | |
2171 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
2172 | \r | |
2173 | Data = NULL;\r | |
ecc722ad | 2174 | GuidCertData = NULL;\r |
ecc722ad | 2175 | \r |
20333c6d QL |
2176 | if (StrCmp (VariableName, EFI_IMAGE_SECURITY_DATABASE2) == 0) {\r |
2177 | return EFI_UNSUPPORTED;\r | |
2178 | }\r | |
2179 | \r | |
ecc722ad | 2180 | //\r |
2181 | // Form the SigDB certificate list.\r | |
2182 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
2183 | //\r | |
d6b926e7 | 2184 | // We need to parse signature data of executable from specified signed executable file.\r |
ecc722ad | 2185 | // In current implementation, we simply trust the pass-in signed executable file.\r |
2186 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
2187 | //\r | |
2188 | \r | |
2189 | //\r | |
2190 | // Read the whole file content\r | |
2191 | //\r | |
c411b485 | 2192 | Status = ReadFileContent (\r |
ecc722ad | 2193 | Private->FileContext->FHandle,\r |
c411b485 | 2194 | (VOID **)&mImageBase,\r |
20333c6d | 2195 | &mImageSize,\r |
ecc722ad | 2196 | 0\r |
2197 | );\r | |
2198 | if (EFI_ERROR (Status)) {\r | |
2199 | goto ON_EXIT;\r | |
20333c6d | 2200 | }\r |
c411b485 | 2201 | \r |
ba57d4fd | 2202 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 2203 | \r |
2204 | Status = LoadPeImage ();\r | |
2205 | if (EFI_ERROR (Status)) {\r | |
2206 | goto ON_EXIT;\r | |
2207 | }\r | |
2208 | \r | |
2209 | if (mSecDataDir->SizeOfCert == 0) {\r | |
2210 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2211 | Status = EFI_SECURITY_VIOLATION;\r | |
2212 | goto ON_EXIT;\r | |
2213 | }\r | |
2214 | } else {\r | |
ecc722ad | 2215 | //\r |
2216 | // Read the certificate data\r | |
2217 | //\r | |
2218 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
2219 | \r | |
2220 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
c411b485 MK |
2221 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID *)mCertificate;\r |
2222 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof (EFI_GUID)) != 0) {\r | |
ecc722ad | 2223 | Status = EFI_ABORTED;\r |
2224 | goto ON_EXIT;\r | |
2225 | }\r | |
2226 | \r | |
2227 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
2228 | Status = EFI_ABORTED;\r | |
c411b485 | 2229 | goto ON_EXIT;\r |
ecc722ad | 2230 | }\r |
ecc722ad | 2231 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r |
ecc722ad | 2232 | Status = HashPeImageByType ();\r |
2233 | if (EFI_ERROR (Status)) {\r | |
c411b485 | 2234 | goto ON_EXIT;\r |
ecc722ad | 2235 | }\r |
2236 | } else {\r | |
2237 | Status = EFI_ABORTED;\r | |
2238 | goto ON_EXIT;\r | |
2239 | }\r | |
2240 | }\r | |
2241 | \r | |
2242 | //\r | |
2243 | // Create a new SigDB entry.\r | |
2244 | //\r | |
c411b485 MK |
2245 | SigDBSize = sizeof (EFI_SIGNATURE_LIST)\r |
2246 | + sizeof (EFI_SIGNATURE_DATA) - 1\r | |
2247 | + (UINT32)mImageDigestSize;\r | |
ecc722ad | 2248 | \r |
c411b485 | 2249 | Data = (UINT8 *)AllocateZeroPool (SigDBSize);\r |
ecc722ad | 2250 | if (Data == NULL) {\r |
2251 | Status = EFI_OUT_OF_RESOURCES;\r | |
2252 | goto ON_EXIT;\r | |
2253 | }\r | |
20333c6d | 2254 | \r |
ecc722ad | 2255 | //\r |
2256 | // Adjust the Certificate Database parameters.\r | |
20333c6d | 2257 | //\r |
c411b485 MK |
2258 | SigDBCert = (EFI_SIGNATURE_LIST *)Data;\r |
2259 | SigDBCert->SignatureListSize = (UINT32)SigDBSize;\r | |
ecc722ad | 2260 | SigDBCert->SignatureHeaderSize = 0;\r |
c411b485 | 2261 | SigDBCert->SignatureSize = sizeof (EFI_SIGNATURE_DATA) - 1 + (UINT32)mImageDigestSize;\r |
ecc722ad | 2262 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r |
2263 | \r | |
c411b485 | 2264 | SigDBCertData = (EFI_SIGNATURE_DATA *)((UINT8 *)SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r |
ecc722ad | 2265 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r |
2266 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
2267 | \r | |
20333c6d | 2268 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS\r |
c411b485 MK |
2269 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
2270 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8 **)&Data);\r | |
8c1babfd | 2271 | if (EFI_ERROR (Status)) {\r |
e905fbb0 | 2272 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 2273 | goto ON_EXIT;\r |
2274 | }\r | |
20333c6d | 2275 | \r |
ecc722ad | 2276 | //\r |
20333c6d QL |
2277 | // Check if SigDB variable has been already existed.\r |
2278 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the\r | |
ecc722ad | 2279 | // new signature data to original variable\r |
20333c6d | 2280 | //\r |
ecc722ad | 2281 | DataSize = 0;\r |
c411b485 MK |
2282 | Status = gRT->GetVariable (\r |
2283 | VariableName,\r | |
2284 | &gEfiImageSecurityDatabaseGuid,\r | |
2285 | NULL,\r | |
2286 | &DataSize,\r | |
2287 | NULL\r | |
2288 | );\r | |
ecc722ad | 2289 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
2290 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
2291 | } else if (Status != EFI_NOT_FOUND) {\r | |
2292 | goto ON_EXIT;\r | |
20333c6d | 2293 | }\r |
ecc722ad | 2294 | \r |
2295 | //\r | |
2296 | // Enroll the variable.\r | |
2297 | //\r | |
c411b485 | 2298 | Status = gRT->SetVariable (\r |
20333c6d QL |
2299 | VariableName,\r |
2300 | &gEfiImageSecurityDatabaseGuid,\r | |
2301 | Attr,\r | |
2302 | SigDBSize,\r | |
ecc722ad | 2303 | Data\r |
2304 | );\r | |
2305 | if (EFI_ERROR (Status)) {\r | |
2306 | goto ON_EXIT;\r | |
2307 | }\r | |
2308 | \r | |
2309 | ON_EXIT:\r | |
2310 | \r | |
c411b485 | 2311 | CloseEnrolledFile (Private->FileContext);\r |
ecc722ad | 2312 | \r |
2313 | if (Private->SignatureGUID != NULL) {\r | |
2314 | FreePool (Private->SignatureGUID);\r | |
2315 | Private->SignatureGUID = NULL;\r | |
2316 | }\r | |
2317 | \r | |
2318 | if (Data != NULL) {\r | |
2319 | FreePool (Data);\r | |
2320 | }\r | |
2321 | \r | |
2322 | if (mImageBase != NULL) {\r | |
2323 | FreePool (mImageBase);\r | |
2324 | mImageBase = NULL;\r | |
2325 | }\r | |
2326 | \r | |
2327 | return Status;\r | |
2328 | }\r | |
2329 | \r | |
2330 | /**\r | |
20333c6d | 2331 | Enroll signature into DB/DBX/DBT without KEK's authentication.\r |
ecc722ad | 2332 | The SignatureOwner GUID will be Private->SignatureGUID.\r |
20333c6d | 2333 | \r |
ecc722ad | 2334 | @param[in] PrivateData The module's private data.\r |
20333c6d | 2335 | @param[in] VariableName Variable name of signature database, must be\r |
ecc722ad | 2336 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r |
20333c6d | 2337 | \r |
ecc722ad | 2338 | @retval EFI_SUCCESS New signature enrolled successfully.\r |
2339 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
2340 | @retval others Fail to enroll signature data.\r | |
20333c6d | 2341 | \r |
ecc722ad | 2342 | **/\r |
2343 | EFI_STATUS\r | |
2344 | EnrollSignatureDatabase (\r | |
c411b485 MK |
2345 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
2346 | IN CHAR16 *VariableName\r | |
20333c6d | 2347 | )\r |
ecc722ad | 2348 | {\r |
c411b485 MK |
2349 | UINT16 *FilePostFix;\r |
2350 | EFI_STATUS Status;\r | |
2351 | UINTN NameLength;\r | |
ecc722ad | 2352 | \r |
2353 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
2354 | return EFI_INVALID_PARAMETER;\r | |
2355 | }\r | |
2356 | \r | |
20333c6d | 2357 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r |
f71ed839 | 2358 | if (EFI_ERROR (Status)) {\r |
2359 | return Status;\r | |
2360 | }\r | |
20333c6d | 2361 | \r |
ecc722ad | 2362 | //\r |
20333c6d | 2363 | // Parse the file's postfix.\r |
ecc722ad | 2364 | //\r |
fd64f84f GCPL |
2365 | NameLength = StrLen (Private->FileContext->FileName);\r |
2366 | if (NameLength <= 4) {\r | |
2367 | return EFI_INVALID_PARAMETER;\r | |
2368 | }\r | |
c411b485 | 2369 | \r |
fd64f84f | 2370 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r |
20333c6d | 2371 | if (IsDerEncodeCertificate (FilePostFix)) {\r |
ecc722ad | 2372 | //\r |
e4d7370d | 2373 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 2374 | //\r |
2375 | return EnrollX509toSigDB (Private, VariableName);\r | |
c411b485 MK |
2376 | } else if (IsAuthentication2Format (Private->FileContext->FHandle)) {\r |
2377 | return EnrollAuthentication2Descriptor (Private, VariableName);\r | |
4de754e1 ZC |
2378 | } else {\r |
2379 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
ecc722ad | 2380 | }\r |
ecc722ad | 2381 | }\r |
2382 | \r | |
2383 | /**\r | |
20333c6d | 2384 | List all signatures in specified signature database (e.g. KEK/DB/DBX/DBT)\r |
ecc722ad | 2385 | by GUID in the page for user to select and delete as needed.\r |
2386 | \r | |
2387 | @param[in] PrivateData Module's private data.\r | |
2388 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2389 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2390 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2391 | @param[in] FormId Form ID of current page.\r | |
2392 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2393 | \r | |
2394 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2395 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
20333c6d | 2396 | \r |
ecc722ad | 2397 | **/\r |
2398 | EFI_STATUS\r | |
2399 | UpdateDeletePage (\r | |
c411b485 MK |
2400 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
2401 | IN CHAR16 *VariableName,\r | |
2402 | IN EFI_GUID *VendorGuid,\r | |
2403 | IN UINT16 LabelNumber,\r | |
2404 | IN EFI_FORM_ID FormId,\r | |
2405 | IN EFI_QUESTION_ID QuestionIdBase\r | |
ecc722ad | 2406 | )\r |
2407 | {\r | |
c411b485 MK |
2408 | EFI_STATUS Status;\r |
2409 | UINT32 Index;\r | |
2410 | UINTN CertCount;\r | |
2411 | UINTN GuidIndex;\r | |
2412 | VOID *StartOpCodeHandle;\r | |
2413 | VOID *EndOpCodeHandle;\r | |
2414 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
2415 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
2416 | UINTN DataSize;\r | |
2417 | UINT8 *Data;\r | |
2418 | EFI_SIGNATURE_LIST *CertList;\r | |
2419 | EFI_SIGNATURE_DATA *Cert;\r | |
2420 | UINT32 ItemDataSize;\r | |
2421 | CHAR16 *GuidStr;\r | |
2422 | EFI_STRING_ID GuidID;\r | |
2423 | EFI_STRING_ID Help;\r | |
2424 | \r | |
2425 | Data = NULL;\r | |
2426 | CertList = NULL;\r | |
2427 | Cert = NULL;\r | |
2428 | GuidStr = NULL;\r | |
ecc722ad | 2429 | StartOpCodeHandle = NULL;\r |
2430 | EndOpCodeHandle = NULL;\r | |
20333c6d | 2431 | \r |
ecc722ad | 2432 | //\r |
2433 | // Initialize the container for dynamic opcodes.\r | |
2434 | //\r | |
2435 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2436 | if (StartOpCodeHandle == NULL) {\r | |
2437 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2438 | goto ON_EXIT;\r |
ecc722ad | 2439 | }\r |
2440 | \r | |
2441 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2442 | if (EndOpCodeHandle == NULL) {\r | |
2443 | Status = EFI_OUT_OF_RESOURCES;\r | |
20333c6d | 2444 | goto ON_EXIT;\r |
ecc722ad | 2445 | }\r |
2446 | \r | |
2447 | //\r | |
2448 | // Create Hii Extend Label OpCode.\r | |
2449 | //\r | |
c411b485 MK |
2450 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
2451 | StartOpCodeHandle,\r | |
2452 | &gEfiIfrTianoGuid,\r | |
2453 | NULL,\r | |
2454 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2455 | );\r | |
2456 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2457 | StartLabel->Number = LabelNumber;\r | |
ecc722ad | 2458 | \r |
c411b485 MK |
2459 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
2460 | EndOpCodeHandle,\r | |
2461 | &gEfiIfrTianoGuid,\r | |
2462 | NULL,\r | |
2463 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2464 | );\r | |
2465 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2466 | EndLabel->Number = LABEL_END;\r | |
ecc722ad | 2467 | \r |
2468 | //\r | |
2469 | // Read Variable.\r | |
2470 | //\r | |
2471 | DataSize = 0;\r | |
c411b485 MK |
2472 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r |
2473 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
ecc722ad | 2474 | goto ON_EXIT;\r |
2475 | }\r | |
2476 | \r | |
c411b485 | 2477 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
ecc722ad | 2478 | if (Data == NULL) {\r |
2479 | Status = EFI_OUT_OF_RESOURCES;\r | |
2480 | goto ON_EXIT;\r | |
2481 | }\r | |
2482 | \r | |
2483 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
2484 | if (EFI_ERROR (Status)) {\r | |
2485 | goto ON_EXIT;\r | |
2486 | }\r | |
2487 | \r | |
2488 | GuidStr = AllocateZeroPool (100);\r | |
2489 | if (GuidStr == NULL) {\r | |
2490 | Status = EFI_OUT_OF_RESOURCES;\r | |
2491 | goto ON_EXIT;\r | |
2492 | }\r | |
2493 | \r | |
2494 | //\r | |
2495 | // Enumerate all KEK pub data.\r | |
2496 | //\r | |
c411b485 MK |
2497 | ItemDataSize = (UINT32)DataSize;\r |
2498 | CertList = (EFI_SIGNATURE_LIST *)Data;\r | |
2499 | GuidIndex = 0;\r | |
ecc722ad | 2500 | \r |
2501 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
ecc722ad | 2502 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r |
2503 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
2504 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
2505 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
2506 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
2507 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
2508 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
2509 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
20333c6d QL |
2510 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid)) {\r |
2511 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA256_GUID);\r | |
2512 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
2513 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA384_GUID);\r | |
2514 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
2515 | Help = STRING_TOKEN (STR_CERT_TYPE_X509_SHA512_GUID);\r | |
ecc722ad | 2516 | } else {\r |
2517 | //\r | |
2518 | // The signature type is not supported in current implementation.\r | |
2519 | //\r | |
b7d269ea | 2520 | ItemDataSize -= CertList->SignatureListSize;\r |
c411b485 | 2521 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2522 | continue;\r |
2523 | }\r | |
2524 | \r | |
c411b485 | 2525 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r |
ecc722ad | 2526 | for (Index = 0; Index < CertCount; Index++) {\r |
c411b485 MK |
2527 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)CertList\r |
2528 | + sizeof (EFI_SIGNATURE_LIST)\r | |
2529 | + CertList->SignatureHeaderSize\r | |
2530 | + Index * CertList->SignatureSize);\r | |
ecc722ad | 2531 | //\r |
20333c6d | 2532 | // Display GUID and help\r |
ecc722ad | 2533 | //\r |
2534 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
c411b485 | 2535 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r |
ecc722ad | 2536 | HiiCreateCheckBoxOpCode (\r |
2537 | StartOpCodeHandle,\r | |
c411b485 | 2538 | (EFI_QUESTION_ID)(QuestionIdBase + GuidIndex++),\r |
20333c6d QL |
2539 | 0,\r |
2540 | 0,\r | |
2541 | GuidID,\r | |
ecc722ad | 2542 | Help,\r |
2543 | EFI_IFR_FLAG_CALLBACK,\r | |
2544 | 0,\r | |
2545 | NULL\r | |
20333c6d | 2546 | );\r |
ecc722ad | 2547 | }\r |
2548 | \r | |
2549 | ItemDataSize -= CertList->SignatureListSize;\r | |
c411b485 | 2550 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2551 | }\r |
2552 | \r | |
2553 | ON_EXIT:\r | |
2554 | HiiUpdateForm (\r | |
2555 | PrivateData->HiiHandle,\r | |
2556 | &gSecureBootConfigFormSetGuid,\r | |
2557 | FormId,\r | |
2558 | StartOpCodeHandle,\r | |
2559 | EndOpCodeHandle\r | |
2560 | );\r | |
2561 | \r | |
2562 | if (StartOpCodeHandle != NULL) {\r | |
2563 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2564 | }\r | |
2565 | \r | |
2566 | if (EndOpCodeHandle != NULL) {\r | |
2567 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2568 | }\r | |
20333c6d | 2569 | \r |
ecc722ad | 2570 | if (Data != NULL) {\r |
2571 | FreePool (Data);\r | |
2572 | }\r | |
2573 | \r | |
2574 | if (GuidStr != NULL) {\r | |
2575 | FreePool (GuidStr);\r | |
2576 | }\r | |
2577 | \r | |
2578 | return EFI_SUCCESS;\r | |
2579 | }\r | |
2580 | \r | |
beda2356 | 2581 | /**\r |
20333c6d | 2582 | Delete a KEK entry from KEK database.\r |
beda2356 | 2583 | \r |
ecc722ad | 2584 | @param[in] PrivateData Module's private data.\r |
2585 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 2586 | \r |
ecc722ad | 2587 | @retval EFI_SUCCESS Delete kek item successfully.\r |
2588 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
20333c6d | 2589 | \r |
ecc722ad | 2590 | **/\r |
2591 | EFI_STATUS\r | |
2592 | DeleteKeyExchangeKey (\r | |
c411b485 MK |
2593 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
2594 | IN EFI_QUESTION_ID QuestionId\r | |
ecc722ad | 2595 | )\r |
2596 | {\r | |
c411b485 MK |
2597 | EFI_STATUS Status;\r |
2598 | UINTN DataSize;\r | |
2599 | UINT8 *Data;\r | |
2600 | UINT8 *OldData;\r | |
2601 | UINT32 Attr;\r | |
2602 | UINT32 Index;\r | |
2603 | EFI_SIGNATURE_LIST *CertList;\r | |
2604 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2605 | EFI_SIGNATURE_DATA *Cert;\r | |
2606 | UINTN CertCount;\r | |
2607 | UINT32 Offset;\r | |
2608 | BOOLEAN IsKEKItemFound;\r | |
2609 | UINT32 KekDataSize;\r | |
2610 | UINTN DeleteKekIndex;\r | |
2611 | UINTN GuidIndex;\r | |
2612 | \r | |
2613 | Data = NULL;\r | |
2614 | OldData = NULL;\r | |
2615 | CertList = NULL;\r | |
2616 | Cert = NULL;\r | |
2617 | Attr = 0;\r | |
2618 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r | |
2619 | \r | |
2620 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
f71ed839 | 2621 | if (EFI_ERROR (Status)) {\r |
2622 | return Status;\r | |
2623 | }\r | |
20333c6d | 2624 | \r |
ecc722ad | 2625 | //\r |
2626 | // Get original KEK variable.\r | |
20333c6d QL |
2627 | //\r |
2628 | DataSize = 0;\r | |
c411b485 MK |
2629 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r |
2630 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
ecc722ad | 2631 | goto ON_EXIT;\r |
2632 | }\r | |
2633 | \r | |
c411b485 | 2634 | OldData = (UINT8 *)AllocateZeroPool (DataSize);\r |
ecc722ad | 2635 | if (OldData == NULL) {\r |
20333c6d | 2636 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2637 | goto ON_EXIT;\r |
2638 | }\r | |
2639 | \r | |
2640 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
c411b485 | 2641 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2642 | goto ON_EXIT;\r |
2643 | }\r | |
2644 | \r | |
2645 | //\r | |
20333c6d | 2646 | // Allocate space for new variable.\r |
ecc722ad | 2647 | //\r |
c411b485 | 2648 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
ecc722ad | 2649 | if (Data == NULL) {\r |
c411b485 | 2650 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2651 | goto ON_EXIT;\r |
2652 | }\r | |
2653 | \r | |
2654 | //\r | |
2655 | // Enumerate all KEK pub data and erasing the target item.\r | |
2656 | //\r | |
2657 | IsKEKItemFound = FALSE;\r | |
c411b485 MK |
2658 | KekDataSize = (UINT32)DataSize;\r |
2659 | CertList = (EFI_SIGNATURE_LIST *)OldData;\r | |
2660 | Offset = 0;\r | |
2661 | GuidIndex = 0;\r | |
ecc722ad | 2662 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r |
2663 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
c411b485 MK |
2664 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid))\r |
2665 | {\r | |
2666 | CopyMem (Data + Offset, CertList, (sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
ecc722ad | 2667 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r |
c411b485 MK |
2668 | Offset += (sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r |
2669 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2670 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
ecc722ad | 2671 | for (Index = 0; Index < CertCount; Index++) {\r |
2672 | if (GuidIndex == DeleteKekIndex ) {\r | |
2673 | //\r | |
2674 | // Find it! Skip it!\r | |
2675 | //\r | |
2676 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
c411b485 | 2677 | IsKEKItemFound = TRUE;\r |
ecc722ad | 2678 | } else {\r |
2679 | //\r | |
2680 | // This item doesn't match. Copy it to the Data buffer.\r | |
2681 | //\r | |
2682 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
2683 | Offset += CertList->SignatureSize;\r | |
2684 | }\r | |
c411b485 | 2685 | \r |
ecc722ad | 2686 | GuidIndex++;\r |
c411b485 | 2687 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)Cert + CertList->SignatureSize);\r |
ecc722ad | 2688 | }\r |
2689 | } else {\r | |
2690 | //\r | |
2691 | // This List doesn't match. Copy it to the Data buffer.\r | |
2692 | //\r | |
2693 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
2694 | Offset += CertList->SignatureListSize;\r | |
2695 | }\r | |
20333c6d | 2696 | \r |
ecc722ad | 2697 | KekDataSize -= CertList->SignatureListSize;\r |
c411b485 | 2698 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2699 | }\r |
2700 | \r | |
2701 | if (!IsKEKItemFound) {\r | |
2702 | //\r | |
2703 | // Doesn't find the Kek Item!\r | |
2704 | //\r | |
2705 | Status = EFI_NOT_FOUND;\r | |
2706 | goto ON_EXIT;\r | |
2707 | }\r | |
2708 | \r | |
2709 | //\r | |
2710 | // Delete the Signature header if there is no signature in the list.\r | |
2711 | //\r | |
2712 | KekDataSize = Offset;\r | |
c411b485 MK |
2713 | CertList = (EFI_SIGNATURE_LIST *)Data;\r |
2714 | Offset = 0;\r | |
ecc722ad | 2715 | ZeroMem (OldData, KekDataSize);\r |
2716 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
c411b485 | 2717 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r |
33985e3b | 2718 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2719 | if (CertCount != 0) {\r |
2720 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
2721 | Offset += CertList->SignatureListSize;\r | |
20333c6d | 2722 | }\r |
c411b485 | 2723 | \r |
ecc722ad | 2724 | KekDataSize -= CertList->SignatureListSize;\r |
c411b485 | 2725 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2726 | }\r |
2727 | \r | |
ecc722ad | 2728 | DataSize = Offset;\r |
8c1babfd | 2729 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2730 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2731 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2732 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 2733 | goto ON_EXIT;\r |
2734 | }\r | |
2735 | }\r | |
ecc722ad | 2736 | \r |
c411b485 | 2737 | Status = gRT->SetVariable (\r |
20333c6d QL |
2738 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2739 | &gEfiGlobalVariableGuid,\r | |
2740 | Attr,\r | |
2741 | DataSize,\r | |
ecc722ad | 2742 | OldData\r |
2743 | );\r | |
2744 | if (EFI_ERROR (Status)) {\r | |
2745 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
2746 | goto ON_EXIT;\r | |
2747 | }\r | |
20333c6d | 2748 | \r |
ecc722ad | 2749 | ON_EXIT:\r |
2750 | if (Data != NULL) {\r | |
c411b485 | 2751 | FreePool (Data);\r |
ecc722ad | 2752 | }\r |
2753 | \r | |
2754 | if (OldData != NULL) {\r | |
c411b485 | 2755 | FreePool (OldData);\r |
ecc722ad | 2756 | }\r |
2757 | \r | |
2758 | return UpdateDeletePage (\r | |
20333c6d | 2759 | PrivateData,\r |
ecc722ad | 2760 | EFI_KEY_EXCHANGE_KEY_NAME,\r |
2761 | &gEfiGlobalVariableGuid,\r | |
2762 | LABEL_KEK_DELETE,\r | |
2763 | FORMID_DELETE_KEK_FORM,\r | |
2764 | OPTION_DEL_KEK_QUESTION_ID\r | |
2765 | );\r | |
2766 | }\r | |
2767 | \r | |
2768 | /**\r | |
85974aef | 2769 | Delete a signature entry from signature database.\r |
beda2356 | 2770 | \r |
ecc722ad | 2771 | @param[in] PrivateData Module's private data.\r |
2772 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
2773 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
2774 | @param[in] LabelNumber Label number to insert opcodes.\r | |
2775 | @param[in] FormId Form ID of current page.\r | |
2776 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
2777 | @param[in] DeleteIndex Signature index to delete.\r | |
20333c6d | 2778 | \r |
85974aef | 2779 | @retval EFI_SUCCESS Delete signature successfully.\r |
ecc722ad | 2780 | @retval EFI_NOT_FOUND Can't find the signature item,\r |
2781 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 2782 | **/\r |
2783 | EFI_STATUS\r | |
ecc722ad | 2784 | DeleteSignature (\r |
c411b485 MK |
2785 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
2786 | IN CHAR16 *VariableName,\r | |
2787 | IN EFI_GUID *VendorGuid,\r | |
2788 | IN UINT16 LabelNumber,\r | |
2789 | IN EFI_FORM_ID FormId,\r | |
2790 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
2791 | IN UINTN DeleteIndex\r | |
beda2356 | 2792 | )\r |
2793 | {\r | |
c411b485 MK |
2794 | EFI_STATUS Status;\r |
2795 | UINTN DataSize;\r | |
2796 | UINT8 *Data;\r | |
2797 | UINT8 *OldData;\r | |
2798 | UINT32 Attr;\r | |
2799 | UINT32 Index;\r | |
2800 | EFI_SIGNATURE_LIST *CertList;\r | |
2801 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2802 | EFI_SIGNATURE_DATA *Cert;\r | |
2803 | UINTN CertCount;\r | |
2804 | UINT32 Offset;\r | |
2805 | BOOLEAN IsItemFound;\r | |
2806 | UINT32 ItemDataSize;\r | |
2807 | UINTN GuidIndex;\r | |
2808 | \r | |
2809 | Data = NULL;\r | |
2810 | OldData = NULL;\r | |
2811 | CertList = NULL;\r | |
2812 | Cert = NULL;\r | |
2813 | Attr = 0;\r | |
2814 | \r | |
2815 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
f71ed839 | 2816 | if (EFI_ERROR (Status)) {\r |
2817 | return Status;\r | |
2818 | }\r | |
2819 | \r | |
ecc722ad | 2820 | //\r |
2821 | // Get original signature list data.\r | |
20333c6d | 2822 | //\r |
ecc722ad | 2823 | DataSize = 0;\r |
c411b485 MK |
2824 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r |
2825 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
ecc722ad | 2826 | goto ON_EXIT;\r |
2827 | }\r | |
2828 | \r | |
c411b485 | 2829 | OldData = (UINT8 *)AllocateZeroPool (DataSize);\r |
ecc722ad | 2830 | if (OldData == NULL) {\r |
20333c6d | 2831 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2832 | goto ON_EXIT;\r |
2833 | }\r | |
2834 | \r | |
2835 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
c411b485 | 2836 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2837 | goto ON_EXIT;\r |
20333c6d | 2838 | }\r |
ecc722ad | 2839 | \r |
2840 | //\r | |
20333c6d | 2841 | // Allocate space for new variable.\r |
ecc722ad | 2842 | //\r |
c411b485 | 2843 | Data = (UINT8 *)AllocateZeroPool (DataSize);\r |
ecc722ad | 2844 | if (Data == NULL) {\r |
c411b485 | 2845 | Status = EFI_OUT_OF_RESOURCES;\r |
ecc722ad | 2846 | goto ON_EXIT;\r |
2847 | }\r | |
2848 | \r | |
2849 | //\r | |
2850 | // Enumerate all signature data and erasing the target item.\r | |
2851 | //\r | |
c411b485 MK |
2852 | IsItemFound = FALSE;\r |
2853 | ItemDataSize = (UINT32)DataSize;\r | |
2854 | CertList = (EFI_SIGNATURE_LIST *)OldData;\r | |
2855 | Offset = 0;\r | |
2856 | GuidIndex = 0;\r | |
ecc722ad | 2857 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r |
2858 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2859 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
2860 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
20333c6d QL |
2861 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid) ||\r |
2862 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha256Guid) ||\r | |
2863 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha384Guid) ||\r | |
2864 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Sha512Guid)\r | |
c411b485 MK |
2865 | )\r |
2866 | {\r | |
ecc722ad | 2867 | //\r |
2868 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
2869 | //\r | |
c411b485 MK |
2870 | CopyMem (Data + Offset, CertList, (sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r |
2871 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
2872 | Offset += (sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2873 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2874 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
ecc722ad | 2875 | for (Index = 0; Index < CertCount; Index++) {\r |
2876 | if (GuidIndex == DeleteIndex) {\r | |
2877 | //\r | |
2878 | // Find it! Skip it!\r | |
2879 | //\r | |
2880 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
c411b485 | 2881 | IsItemFound = TRUE;\r |
ecc722ad | 2882 | } else {\r |
2883 | //\r | |
2884 | // This item doesn't match. Copy it to the Data buffer.\r | |
2885 | //\r | |
c411b485 | 2886 | CopyMem (Data + Offset, (UINT8 *)(Cert), CertList->SignatureSize);\r |
ecc722ad | 2887 | Offset += CertList->SignatureSize;\r |
2888 | }\r | |
c411b485 | 2889 | \r |
ecc722ad | 2890 | GuidIndex++;\r |
c411b485 | 2891 | Cert = (EFI_SIGNATURE_DATA *)((UINT8 *)Cert + CertList->SignatureSize);\r |
ecc722ad | 2892 | }\r |
2893 | } else {\r | |
2894 | //\r | |
2895 | // This List doesn't match. Just copy it to the Data buffer.\r | |
2896 | //\r | |
c411b485 | 2897 | CopyMem (Data + Offset, (UINT8 *)(CertList), CertList->SignatureListSize);\r |
ecc722ad | 2898 | Offset += CertList->SignatureListSize;\r |
2899 | }\r | |
20333c6d | 2900 | \r |
ecc722ad | 2901 | ItemDataSize -= CertList->SignatureListSize;\r |
c411b485 | 2902 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2903 | }\r |
2904 | \r | |
2905 | if (!IsItemFound) {\r | |
2906 | //\r | |
2907 | // Doesn't find the signature Item!\r | |
2908 | //\r | |
2909 | Status = EFI_NOT_FOUND;\r | |
2910 | goto ON_EXIT;\r | |
2911 | }\r | |
2912 | \r | |
2913 | //\r | |
2914 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
2915 | //\r | |
2916 | ItemDataSize = Offset;\r | |
c411b485 MK |
2917 | CertList = (EFI_SIGNATURE_LIST *)Data;\r |
2918 | Offset = 0;\r | |
ecc722ad | 2919 | ZeroMem (OldData, ItemDataSize);\r |
2920 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
c411b485 | 2921 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r |
33985e3b | 2922 | DEBUG ((DEBUG_INFO, " CertCount = %x\n", CertCount));\r |
ecc722ad | 2923 | if (CertCount != 0) {\r |
c411b485 | 2924 | CopyMem (OldData + Offset, (UINT8 *)(CertList), CertList->SignatureListSize);\r |
ecc722ad | 2925 | Offset += CertList->SignatureListSize;\r |
20333c6d | 2926 | }\r |
c411b485 | 2927 | \r |
ecc722ad | 2928 | ItemDataSize -= CertList->SignatureListSize;\r |
c411b485 | 2929 | CertList = (EFI_SIGNATURE_LIST *)((UINT8 *)CertList + CertList->SignatureListSize);\r |
ecc722ad | 2930 | }\r |
2931 | \r | |
ecc722ad | 2932 | DataSize = Offset;\r |
8c1babfd | 2933 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2934 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2935 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2936 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r |
8c1babfd | 2937 | goto ON_EXIT;\r |
2938 | }\r | |
2939 | }\r | |
ecc722ad | 2940 | \r |
c411b485 | 2941 | Status = gRT->SetVariable (\r |
20333c6d QL |
2942 | VariableName,\r |
2943 | VendorGuid,\r | |
2944 | Attr,\r | |
2945 | DataSize,\r | |
ecc722ad | 2946 | OldData\r |
2947 | );\r | |
beda2356 | 2948 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2949 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
2950 | goto ON_EXIT;\r | |
beda2356 | 2951 | }\r |
20333c6d | 2952 | \r |
ecc722ad | 2953 | ON_EXIT:\r |
2954 | if (Data != NULL) {\r | |
c411b485 | 2955 | FreePool (Data);\r |
ecc722ad | 2956 | }\r |
2957 | \r | |
2958 | if (OldData != NULL) {\r | |
c411b485 | 2959 | FreePool (OldData);\r |
ecc722ad | 2960 | }\r |
2961 | \r | |
2962 | return UpdateDeletePage (\r | |
20333c6d | 2963 | PrivateData,\r |
ecc722ad | 2964 | VariableName,\r |
2965 | VendorGuid,\r | |
2966 | LabelNumber,\r | |
2967 | FormId,\r | |
2968 | QuestionIdBase\r | |
2969 | );\r | |
2970 | }\r | |
2971 | \r | |
85974aef | 2972 | /**\r |
2973 | This function to delete signature list or data, according by DelType.\r | |
2974 | \r | |
2975 | @param[in] PrivateData Module's private data.\r | |
2976 | @param[in] DelType Indicate delete signature list or data.\r | |
2977 | @param[in] CheckedCount Indicate how many signature data have\r | |
2978 | been checked in current signature list.\r | |
2979 | \r | |
2980 | @retval EFI_SUCCESS Success to update the signature list page\r | |
2981 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
2982 | **/\r | |
2983 | EFI_STATUS\r | |
2984 | DeleteSignatureEx (\r | |
c411b485 MK |
2985 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
2986 | IN SIGNATURE_DELETE_TYPE DelType,\r | |
2987 | IN UINT32 CheckedCount\r | |
85974aef | 2988 | )\r |
2989 | {\r | |
2990 | EFI_STATUS Status;\r | |
2991 | EFI_SIGNATURE_LIST *ListWalker;\r | |
2992 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2993 | EFI_SIGNATURE_DATA *DataWalker;\r | |
65c77f02 | 2994 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r |
85974aef | 2995 | UINT32 VariableAttr;\r |
2996 | UINTN VariableDataSize;\r | |
2997 | UINTN RemainingSize;\r | |
2998 | UINTN ListIndex;\r | |
2999 | UINTN Index;\r | |
3000 | UINTN Offset;\r | |
3001 | UINT8 *VariableData;\r | |
3002 | UINT8 *NewVariableData;\r | |
3003 | \r | |
c411b485 MK |
3004 | Status = EFI_SUCCESS;\r |
3005 | VariableAttr = 0;\r | |
3006 | VariableDataSize = 0;\r | |
3007 | ListIndex = 0;\r | |
3008 | Offset = 0;\r | |
3009 | VariableData = NULL;\r | |
3010 | NewVariableData = NULL;\r | |
85974aef | 3011 | \r |
0085d619 | 3012 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 3013 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 3014 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 3015 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 3016 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 3017 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 3018 | } else {\r |
3019 | goto ON_EXIT;\r | |
3020 | }\r | |
3021 | \r | |
3022 | Status = gRT->GetVariable (\r | |
3023 | VariableName,\r | |
3024 | &gEfiImageSecurityDatabaseGuid,\r | |
3025 | &VariableAttr,\r | |
3026 | &VariableDataSize,\r | |
3027 | VariableData\r | |
c411b485 MK |
3028 | );\r |
3029 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
85974aef | 3030 | goto ON_EXIT;\r |
3031 | }\r | |
3032 | \r | |
3033 | VariableData = AllocateZeroPool (VariableDataSize);\r | |
3034 | if (VariableData == NULL) {\r | |
3035 | Status = EFI_OUT_OF_RESOURCES;\r | |
3036 | goto ON_EXIT;\r | |
3037 | }\r | |
3038 | \r | |
3039 | Status = gRT->GetVariable (\r | |
3040 | VariableName,\r | |
3041 | &gEfiImageSecurityDatabaseGuid,\r | |
3042 | &VariableAttr,\r | |
3043 | &VariableDataSize,\r | |
3044 | VariableData\r | |
c411b485 | 3045 | );\r |
85974aef | 3046 | if (EFI_ERROR (Status)) {\r |
3047 | goto ON_EXIT;\r | |
3048 | }\r | |
3049 | \r | |
3050 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
3051 | if (EFI_ERROR (Status)) {\r | |
3052 | goto ON_EXIT;\r | |
3053 | }\r | |
3054 | \r | |
3055 | NewVariableData = AllocateZeroPool (VariableDataSize);\r | |
3056 | if (NewVariableData == NULL) {\r | |
3057 | Status = EFI_OUT_OF_RESOURCES;\r | |
3058 | goto ON_EXIT;\r | |
3059 | }\r | |
3060 | \r | |
3061 | RemainingSize = VariableDataSize;\r | |
c411b485 | 3062 | ListWalker = (EFI_SIGNATURE_LIST *)(VariableData);\r |
0085d619 | 3063 | if (DelType == Delete_Signature_List_All) {\r |
85974aef | 3064 | VariableDataSize = 0;\r |
3065 | } else {\r | |
dcd70885 LG |
3066 | //\r |
3067 | // Traverse to target EFI_SIGNATURE_LIST but others will be skipped.\r | |
3068 | //\r | |
85974aef | 3069 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex < PrivateData->ListIndex) {\r |
3070 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, ListWalker->SignatureListSize);\r | |
3071 | Offset += ListWalker->SignatureListSize;\r | |
3072 | \r | |
3073 | RemainingSize -= ListWalker->SignatureListSize;\r | |
c411b485 | 3074 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r |
85974aef | 3075 | ListIndex++;\r |
3076 | }\r | |
3077 | \r | |
dcd70885 LG |
3078 | //\r |
3079 | // Handle the target EFI_SIGNATURE_LIST.\r | |
3080 | // If CheckedCount == SIGNATURE_DATA_COUNTS (ListWalker) or DelType == Delete_Signature_List_One\r | |
3081 | // it means delete the whole EFI_SIGNATURE_LIST, So we just skip this EFI_SIGNATURE_LIST.\r | |
3082 | //\r | |
c411b485 | 3083 | if ((CheckedCount < SIGNATURE_DATA_COUNTS (ListWalker)) && (DelType == Delete_Signature_Data)) {\r |
85974aef | 3084 | NewCertList = (EFI_SIGNATURE_LIST *)(NewVariableData + Offset);\r |
3085 | //\r | |
3086 | // Copy header.\r | |
3087 | //\r | |
dcd70885 | 3088 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
85974aef | 3089 | Offset += sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize;\r |
3090 | \r | |
c411b485 MK |
3091 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
3092 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS (ListWalker); Index = Index + 1) {\r | |
85974aef | 3093 | if (PrivateData->CheckArray[Index]) {\r |
3094 | //\r | |
3095 | // Delete checked signature data, and update the size of whole signature list.\r | |
3096 | //\r | |
3097 | NewCertList->SignatureListSize -= NewCertList->SignatureSize;\r | |
3098 | } else {\r | |
3099 | //\r | |
3100 | // Remain the unchecked signature data.\r | |
3101 | //\r | |
3102 | CopyMem ((UINT8 *)NewVariableData + Offset, DataWalker, ListWalker->SignatureSize);\r | |
3103 | Offset += ListWalker->SignatureSize;\r | |
3104 | }\r | |
c411b485 | 3105 | \r |
85974aef | 3106 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r |
3107 | }\r | |
85974aef | 3108 | }\r |
3109 | \r | |
dcd70885 | 3110 | RemainingSize -= ListWalker->SignatureListSize;\r |
c411b485 | 3111 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r |
dcd70885 | 3112 | \r |
85974aef | 3113 | //\r |
3114 | // Copy remaining data, maybe 0.\r | |
3115 | //\r | |
c411b485 | 3116 | CopyMem ((UINT8 *)NewVariableData + Offset, ListWalker, RemainingSize);\r |
85974aef | 3117 | Offset += RemainingSize;\r |
3118 | \r | |
3119 | VariableDataSize = Offset;\r | |
3120 | }\r | |
3121 | \r | |
3122 | if ((VariableAttr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r | |
3123 | Status = CreateTimeBasedPayload (&VariableDataSize, &NewVariableData);\r | |
3124 | if (EFI_ERROR (Status)) {\r | |
3125 | DEBUG ((DEBUG_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
3126 | goto ON_EXIT;\r | |
3127 | }\r | |
3128 | }\r | |
3129 | \r | |
3130 | Status = gRT->SetVariable (\r | |
3131 | VariableName,\r | |
3132 | &gEfiImageSecurityDatabaseGuid,\r | |
3133 | VariableAttr,\r | |
3134 | VariableDataSize,\r | |
3135 | NewVariableData\r | |
c411b485 | 3136 | );\r |
85974aef | 3137 | if (EFI_ERROR (Status)) {\r |
3138 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r", Status));\r | |
3139 | goto ON_EXIT;\r | |
3140 | }\r | |
3141 | \r | |
3142 | ON_EXIT:\r | |
85974aef | 3143 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3144 | SECUREBOOT_FREE_NON_NULL (NewVariableData);\r | |
3145 | \r | |
3146 | return Status;\r | |
3147 | }\r | |
3148 | \r | |
02dd6af9 CZ |
3149 | /**\r |
3150 | \r | |
3151 | Update SecureBoot strings based on new Secure Boot Mode State. String includes STR_SECURE_BOOT_STATE_CONTENT\r | |
3152 | and STR_CUR_SECURE_BOOT_MODE_CONTENT.\r | |
3153 | \r | |
3154 | @param[in] PrivateData Module's private data.\r | |
3155 | \r | |
3156 | @return EFI_SUCCESS Update secure boot strings successfully.\r | |
3157 | @return other Fail to update secure boot strings.\r | |
3158 | \r | |
3159 | **/\r | |
3160 | EFI_STATUS\r | |
c411b485 | 3161 | UpdateSecureBootString (\r |
02dd6af9 | 3162 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r |
abffadf0 ZC |
3163 | )\r |
3164 | {\r | |
c411b485 | 3165 | UINT8 *SecureBoot;\r |
02dd6af9 | 3166 | \r |
e8cd9b80 CZ |
3167 | SecureBoot = NULL;\r |
3168 | \r | |
02dd6af9 CZ |
3169 | //\r |
3170 | // Get current secure boot state.\r | |
3171 | //\r | |
c411b485 | 3172 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID **)&SecureBoot, NULL);\r |
e8cd9b80 CZ |
3173 | if (SecureBoot == NULL) {\r |
3174 | return EFI_NOT_FOUND;\r | |
02dd6af9 CZ |
3175 | }\r |
3176 | \r | |
3177 | if (*SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
3178 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
3179 | } else {\r | |
3180 | HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
3181 | }\r | |
02dd6af9 | 3182 | \r |
c411b485 | 3183 | FreePool (SecureBoot);\r |
02dd6af9 CZ |
3184 | \r |
3185 | return EFI_SUCCESS;\r | |
3186 | }\r | |
3187 | \r | |
ecc722ad | 3188 | /**\r |
3189 | This function extracts configuration from variable.\r | |
20333c6d | 3190 | \r |
4de754e1 | 3191 | @param[in] Private Point to SecureBoot configuration driver private data.\r |
ecc722ad | 3192 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r |
3193 | \r | |
3194 | **/\r | |
3195 | VOID\r | |
3196 | SecureBootExtractConfigFromVariable (\r | |
4de754e1 | 3197 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r |
ecc722ad | 3198 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r |
20333c6d | 3199 | )\r |
ecc722ad | 3200 | {\r |
20333c6d | 3201 | UINT8 *SecureBootEnable;\r |
12087ff6 | 3202 | UINT8 *SetupMode;\r |
20333c6d QL |
3203 | UINT8 *SecureBootMode;\r |
3204 | EFI_TIME CurrTime;\r | |
ecc722ad | 3205 | \r |
3206 | SecureBootEnable = NULL;\r | |
12087ff6 | 3207 | SetupMode = NULL;\r |
ecc722ad | 3208 | SecureBootMode = NULL;\r |
20333c6d QL |
3209 | \r |
3210 | //\r | |
d6b926e7 | 3211 | // Initialize the Date and Time using system time.\r |
20333c6d QL |
3212 | //\r |
3213 | ConfigData->CertificateFormat = HASHALG_RAW;\r | |
c411b485 | 3214 | ConfigData->AlwaysRevocation = TRUE;\r |
20333c6d QL |
3215 | gRT->GetTime (&CurrTime, NULL);\r |
3216 | ConfigData->RevocationDate.Year = CurrTime.Year;\r | |
3217 | ConfigData->RevocationDate.Month = CurrTime.Month;\r | |
3218 | ConfigData->RevocationDate.Day = CurrTime.Day;\r | |
3219 | ConfigData->RevocationTime.Hour = CurrTime.Hour;\r | |
3220 | ConfigData->RevocationTime.Minute = CurrTime.Minute;\r | |
3221 | ConfigData->RevocationTime.Second = 0;\r | |
4de754e1 ZC |
3222 | if (Private->FileContext->FHandle != NULL) {\r |
3223 | ConfigData->FileEnrollType = Private->FileContext->FileType;\r | |
3224 | } else {\r | |
3225 | ConfigData->FileEnrollType = UNKNOWN_FILE_TYPE;\r | |
3226 | }\r | |
20333c6d | 3227 | \r |
ecc722ad | 3228 | //\r |
3229 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
3230 | //\r | |
c411b485 | 3231 | if (UserPhysicalPresent ()) {\r |
ecc722ad | 3232 | ConfigData->PhysicalPresent = TRUE;\r |
3233 | } else {\r | |
3234 | ConfigData->PhysicalPresent = FALSE;\r | |
3235 | }\r | |
20333c6d | 3236 | \r |
96832eef CZ |
3237 | //\r |
3238 | // If there is no PK then the Delete Pk button will be gray.\r | |
3239 | //\r | |
c411b485 MK |
3240 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID **)&SetupMode, NULL);\r |
3241 | if ((SetupMode == NULL) || ((*SetupMode) == SETUP_MODE)) {\r | |
96832eef | 3242 | ConfigData->HasPk = FALSE;\r |
c411b485 | 3243 | } else {\r |
96832eef CZ |
3244 | ConfigData->HasPk = TRUE;\r |
3245 | }\r | |
3246 | \r | |
126f3b1d | 3247 | //\r |
d6b926e7 | 3248 | // Check SecureBootEnable & Pk status, fix the inconsistency.\r |
126f3b1d ZC |
3249 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r |
3250 | // Checkbox.\r | |
3251 | //\r | |
3252 | ConfigData->AttemptSecureBoot = FALSE;\r | |
c411b485 | 3253 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID **)&SecureBootEnable, NULL);\r |
126f3b1d ZC |
3254 | \r |
3255 | //\r | |
d6b926e7 | 3256 | // Fix Pk and SecureBootEnable inconsistency\r |
126f3b1d | 3257 | //\r |
c411b485 | 3258 | if ((SetupMode != NULL) && ((*SetupMode) == USER_MODE)) {\r |
126f3b1d ZC |
3259 | ConfigData->HideSecureBoot = FALSE;\r |
3260 | if ((SecureBootEnable != NULL) && (*SecureBootEnable == SECURE_BOOT_ENABLE)) {\r | |
3261 | ConfigData->AttemptSecureBoot = TRUE;\r | |
3262 | }\r | |
3263 | } else {\r | |
3264 | ConfigData->HideSecureBoot = TRUE;\r | |
3265 | }\r | |
3266 | \r | |
12087ff6 ZC |
3267 | //\r |
3268 | // Get the SecureBootMode from CustomMode variable.\r | |
3269 | //\r | |
c411b485 | 3270 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID **)&SecureBootMode, NULL);\r |
12087ff6 ZC |
3271 | if (SecureBootMode == NULL) {\r |
3272 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
3273 | } else {\r | |
3274 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
3275 | }\r | |
3276 | \r | |
f71ed839 | 3277 | if (SecureBootEnable != NULL) {\r |
3278 | FreePool (SecureBootEnable);\r | |
3279 | }\r | |
c411b485 | 3280 | \r |
12087ff6 ZC |
3281 | if (SetupMode != NULL) {\r |
3282 | FreePool (SetupMode);\r | |
3283 | }\r | |
c411b485 | 3284 | \r |
f71ed839 | 3285 | if (SecureBootMode != NULL) {\r |
3286 | FreePool (SecureBootMode);\r | |
3287 | }\r | |
beda2356 | 3288 | }\r |
3289 | \r | |
3290 | /**\r | |
3291 | This function allows a caller to extract the current configuration for one\r | |
3292 | or more named elements from the target driver.\r | |
3293 | \r | |
3294 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3295 | @param[in] Request A null-terminated Unicode string in\r | |
3296 | <ConfigRequest> format.\r | |
3297 | @param[out] Progress On return, points to a character in the Request\r | |
3298 | string. Points to the string's null terminator if\r | |
3299 | request was successful. Points to the most recent\r | |
3300 | '&' before the first failing name/value pair (or\r | |
3301 | the beginning of the string if the failure is in\r | |
3302 | the first name/value pair) if the request was not\r | |
3303 | successful.\r | |
3304 | @param[out] Results A null-terminated Unicode string in\r | |
3305 | <ConfigAltResp> format which has all values filled\r | |
3306 | in for the names in the Request string. String to\r | |
3307 | be allocated by the called function.\r | |
3308 | \r | |
3309 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
3310 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
3311 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
3312 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3313 | driver.\r | |
3314 | \r | |
3315 | **/\r | |
3316 | EFI_STATUS\r | |
3317 | EFIAPI\r | |
3318 | SecureBootExtractConfig (\r | |
c411b485 MK |
3319 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r |
3320 | IN CONST EFI_STRING Request,\r | |
3321 | OUT EFI_STRING *Progress,\r | |
3322 | OUT EFI_STRING *Results\r | |
beda2356 | 3323 | )\r |
3324 | {\r | |
c411b485 MK |
3325 | EFI_STATUS Status;\r |
3326 | UINTN BufferSize;\r | |
3327 | UINTN Size;\r | |
3328 | SECUREBOOT_CONFIGURATION Configuration;\r | |
3329 | EFI_STRING ConfigRequest;\r | |
3330 | EFI_STRING ConfigRequestHdr;\r | |
3331 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
3332 | BOOLEAN AllocatedRequest;\r | |
3333 | \r | |
3334 | if ((Progress == NULL) || (Results == NULL)) {\r | |
beda2356 | 3335 | return EFI_INVALID_PARAMETER;\r |
3336 | }\r | |
20333c6d | 3337 | \r |
bc0c99b3 | 3338 | AllocatedRequest = FALSE;\r |
3339 | ConfigRequestHdr = NULL;\r | |
3340 | ConfigRequest = NULL;\r | |
3341 | Size = 0;\r | |
20333c6d | 3342 | \r |
ea71453f | 3343 | ZeroMem (&Configuration, sizeof (Configuration));\r |
c411b485 MK |
3344 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3345 | *Progress = Request;\r | |
20333c6d | 3346 | \r |
beda2356 | 3347 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
3348 | return EFI_NOT_FOUND;\r | |
3349 | }\r | |
3350 | \r | |
c411b485 | 3351 | ZeroMem (&Configuration, sizeof (SECUREBOOT_CONFIGURATION));\r |
4de754e1 | 3352 | \r |
beda2356 | 3353 | //\r |
ecc722ad | 3354 | // Get Configuration from Variable.\r |
beda2356 | 3355 | //\r |
4de754e1 | 3356 | SecureBootExtractConfigFromVariable (PrivateData, &Configuration);\r |
f71ed839 | 3357 | \r |
c411b485 | 3358 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 3359 | ConfigRequest = Request;\r |
bc0c99b3 | 3360 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
3361 | //\r | |
3362 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 3363 | //\r |
3364 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
3365 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
3366 | //\r | |
3367 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
c411b485 MK |
3368 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r |
3369 | ConfigRequest = AllocateZeroPool (Size);\r | |
bc0c99b3 | 3370 | ASSERT (ConfigRequest != NULL);\r |
3371 | AllocatedRequest = TRUE;\r | |
3372 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
3373 | FreePool (ConfigRequestHdr);\r | |
3374 | ConfigRequestHdr = NULL;\r | |
3375 | }\r | |
beda2356 | 3376 | \r |
3377 | Status = gHiiConfigRouting->BlockToConfig (\r | |
3378 | gHiiConfigRouting,\r | |
3379 | ConfigRequest,\r | |
c411b485 | 3380 | (UINT8 *)&Configuration,\r |
beda2356 | 3381 | BufferSize,\r |
3382 | Results,\r | |
3383 | Progress\r | |
3384 | );\r | |
bc0c99b3 | 3385 | \r |
3386 | //\r | |
3387 | // Free the allocated config request string.\r | |
3388 | //\r | |
3389 | if (AllocatedRequest) {\r | |
3390 | FreePool (ConfigRequest);\r | |
3391 | }\r | |
3392 | \r | |
beda2356 | 3393 | //\r |
3394 | // Set Progress string to the original request string.\r | |
3395 | //\r | |
3396 | if (Request == NULL) {\r | |
3397 | *Progress = NULL;\r | |
3398 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
3399 | *Progress = Request + StrLen (Request);\r | |
3400 | }\r | |
3401 | \r | |
3402 | return Status;\r | |
3403 | }\r | |
3404 | \r | |
3405 | /**\r | |
3406 | This function processes the results of changes in configuration.\r | |
3407 | \r | |
3408 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
3409 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
3410 | format.\r | |
3411 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
3412 | the most recent '&' before the first failing\r | |
3413 | name/value pair (or the beginning of the string if\r | |
3414 | the failure is in the first name/value pair) or\r | |
3415 | the terminating NULL if all was successful.\r | |
3416 | \r | |
3417 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
3418 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
3419 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
3420 | driver.\r | |
3421 | \r | |
3422 | **/\r | |
3423 | EFI_STATUS\r | |
3424 | EFIAPI\r | |
3425 | SecureBootRouteConfig (\r | |
c411b485 MK |
3426 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r |
3427 | IN CONST EFI_STRING Configuration,\r | |
3428 | OUT EFI_STRING *Progress\r | |
beda2356 | 3429 | )\r |
3430 | {\r | |
c411b485 MK |
3431 | SECUREBOOT_CONFIGURATION IfrNvData;\r |
3432 | UINTN BufferSize;\r | |
3433 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
3434 | EFI_STATUS Status;\r | |
20333c6d | 3435 | \r |
c411b485 | 3436 | if ((Configuration == NULL) || (Progress == NULL)) {\r |
beda2356 | 3437 | return EFI_INVALID_PARAMETER;\r |
3438 | }\r | |
3439 | \r | |
3440 | *Progress = Configuration;\r | |
3441 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
3442 | return EFI_NOT_FOUND;\r | |
3443 | }\r | |
3444 | \r | |
4de754e1 ZC |
3445 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
3446 | \r | |
a365eed4 FS |
3447 | //\r |
3448 | // Get Configuration from Variable.\r | |
3449 | //\r | |
4de754e1 | 3450 | SecureBootExtractConfigFromVariable (PrivateData, &IfrNvData);\r |
a365eed4 FS |
3451 | \r |
3452 | //\r | |
3453 | // Map the Configuration to the configuration block.\r | |
3454 | //\r | |
a2f2c258 | 3455 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
c411b485 MK |
3456 | Status = gHiiConfigRouting->ConfigToBlock (\r |
3457 | gHiiConfigRouting,\r | |
3458 | Configuration,\r | |
3459 | (UINT8 *)&IfrNvData,\r | |
3460 | &BufferSize,\r | |
3461 | Progress\r | |
3462 | );\r | |
a2f2c258 | 3463 | if (EFI_ERROR (Status)) {\r |
3464 | return Status;\r | |
3465 | }\r | |
3466 | \r | |
3467 | //\r | |
3468 | // Store Buffer Storage back to EFI variable if needed\r | |
3469 | //\r | |
126f3b1d | 3470 | if (!IfrNvData.HideSecureBoot) {\r |
a2f2c258 | 3471 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r |
3472 | if (EFI_ERROR (Status)) {\r | |
3473 | return Status;\r | |
3474 | }\r | |
3475 | }\r | |
3476 | \r | |
ecc722ad | 3477 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 3478 | return EFI_SUCCESS;\r |
3479 | }\r | |
3480 | \r | |
85974aef | 3481 | /**\r |
3482 | This function to load signature list, the update the menu page.\r | |
3483 | \r | |
3484 | @param[in] PrivateData Module's private data.\r | |
3485 | @param[in] LabelId Label number to insert opcodes.\r | |
3486 | @param[in] FormId Form ID of current page.\r | |
3487 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
3488 | \r | |
3489 | @retval EFI_SUCCESS Success to update the signature list page\r | |
3490 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3491 | **/\r | |
3492 | EFI_STATUS\r | |
3493 | LoadSignatureList (\r | |
c411b485 MK |
3494 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
3495 | IN UINT16 LabelId,\r | |
3496 | IN EFI_FORM_ID FormId,\r | |
3497 | IN EFI_QUESTION_ID QuestionIdBase\r | |
85974aef | 3498 | )\r |
3499 | {\r | |
c411b485 MK |
3500 | EFI_STATUS Status;\r |
3501 | EFI_STRING_ID ListType;\r | |
3502 | EFI_STRING FormatNameString;\r | |
3503 | EFI_STRING FormatHelpString;\r | |
3504 | EFI_STRING FormatTypeString;\r | |
3505 | EFI_SIGNATURE_LIST *ListWalker;\r | |
3506 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
3507 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
3508 | EFI_IFR_GUID_LABEL *StartGoto;\r | |
3509 | EFI_IFR_GUID_LABEL *EndGoto;\r | |
3510 | EFI_FORM_ID DstFormId;\r | |
3511 | VOID *StartOpCodeHandle;\r | |
3512 | VOID *EndOpCodeHandle;\r | |
3513 | VOID *StartGotoHandle;\r | |
3514 | VOID *EndGotoHandle;\r | |
3515 | UINTN DataSize;\r | |
3516 | UINTN RemainingSize;\r | |
3517 | UINT16 Index;\r | |
3518 | UINT8 *VariableData;\r | |
3519 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r | |
3520 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
3521 | CHAR16 HelpBuffer[BUFFER_MAX_SIZE];\r | |
3522 | \r | |
3523 | Status = EFI_SUCCESS;\r | |
3524 | FormatNameString = NULL;\r | |
3525 | FormatHelpString = NULL;\r | |
3526 | StartOpCodeHandle = NULL;\r | |
3527 | EndOpCodeHandle = NULL;\r | |
3528 | StartGotoHandle = NULL;\r | |
3529 | EndGotoHandle = NULL;\r | |
3530 | Index = 0;\r | |
3531 | VariableData = NULL;\r | |
85974aef | 3532 | \r |
3533 | //\r | |
3534 | // Initialize the container for dynamic opcodes.\r | |
3535 | //\r | |
3536 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3537 | if (StartOpCodeHandle == NULL) {\r | |
3538 | Status = EFI_OUT_OF_RESOURCES;\r | |
3539 | goto ON_EXIT;\r | |
3540 | }\r | |
3541 | \r | |
3542 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
3543 | if (EndOpCodeHandle == NULL) {\r | |
3544 | Status = EFI_OUT_OF_RESOURCES;\r | |
3545 | goto ON_EXIT;\r | |
3546 | }\r | |
3547 | \r | |
3548 | StartGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3549 | if (StartGotoHandle == NULL) {\r | |
3550 | Status = EFI_OUT_OF_RESOURCES;\r | |
3551 | goto ON_EXIT;\r | |
3552 | }\r | |
3553 | \r | |
3554 | EndGotoHandle = HiiAllocateOpCodeHandle ();\r | |
3555 | if (EndGotoHandle == NULL) {\r | |
3556 | Status = EFI_OUT_OF_RESOURCES;\r | |
3557 | goto ON_EXIT;\r | |
3558 | }\r | |
3559 | \r | |
3560 | //\r | |
3561 | // Create Hii Extend Label OpCode.\r | |
3562 | //\r | |
3563 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3564 | StartOpCodeHandle,\r | |
3565 | &gEfiIfrTianoGuid,\r | |
3566 | NULL,\r | |
3567 | sizeof (EFI_IFR_GUID_LABEL)\r | |
c411b485 MK |
3568 | );\r |
3569 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3570 | StartLabel->Number = LabelId;\r | |
85974aef | 3571 | \r |
3572 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
3573 | EndOpCodeHandle,\r | |
3574 | &gEfiIfrTianoGuid,\r | |
3575 | NULL,\r | |
3576 | sizeof (EFI_IFR_GUID_LABEL)\r | |
c411b485 MK |
3577 | );\r |
3578 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3579 | EndLabel->Number = LABEL_END;\r | |
85974aef | 3580 | \r |
c411b485 | 3581 | StartGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
85974aef | 3582 | StartGotoHandle,\r |
3583 | &gEfiIfrTianoGuid,\r | |
3584 | NULL,\r | |
c411b485 MK |
3585 | sizeof (EFI_IFR_GUID_LABEL)\r |
3586 | );\r | |
3587 | StartGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
3588 | StartGoto->Number = LABEL_DELETE_ALL_LIST_BUTTON;\r | |
85974aef | 3589 | \r |
c411b485 | 3590 | EndGoto = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
85974aef | 3591 | EndGotoHandle,\r |
3592 | &gEfiIfrTianoGuid,\r | |
3593 | NULL,\r | |
c411b485 MK |
3594 | sizeof (EFI_IFR_GUID_LABEL)\r |
3595 | );\r | |
85974aef | 3596 | EndGoto->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r |
c411b485 | 3597 | EndGoto->Number = LABEL_END;\r |
85974aef | 3598 | \r |
0085d619 | 3599 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 3600 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
85974aef | 3601 | DstFormId = FORMID_SECURE_BOOT_DB_OPTION_FORM;\r |
0085d619 | 3602 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 3603 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
85974aef | 3604 | DstFormId = FORMID_SECURE_BOOT_DBX_OPTION_FORM;\r |
0085d619 | 3605 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 3606 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 3607 | DstFormId = FORMID_SECURE_BOOT_DBT_OPTION_FORM;\r |
3608 | } else {\r | |
3609 | goto ON_EXIT;\r | |
3610 | }\r | |
3611 | \r | |
3612 | HiiCreateGotoOpCode (\r | |
3613 | StartGotoHandle,\r | |
3614 | DstFormId,\r | |
3615 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3616 | STRING_TOKEN (STR_SECURE_BOOT_DELETE_ALL_LIST),\r | |
3617 | EFI_IFR_FLAG_CALLBACK,\r | |
3618 | KEY_SECURE_BOOT_DELETE_ALL_LIST\r | |
c411b485 | 3619 | );\r |
85974aef | 3620 | \r |
3621 | //\r | |
3622 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
3623 | //\r | |
3624 | DataSize = 0;\r | |
c411b485 MK |
3625 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r |
3626 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
85974aef | 3627 | goto ON_EXIT;\r |
3628 | }\r | |
3629 | \r | |
3630 | VariableData = AllocateZeroPool (DataSize);\r | |
3631 | if (VariableData == NULL) {\r | |
3632 | Status = EFI_OUT_OF_RESOURCES;\r | |
3633 | goto ON_EXIT;\r | |
3634 | }\r | |
c411b485 | 3635 | \r |
85974aef | 3636 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r |
3637 | if (EFI_ERROR (Status)) {\r | |
3638 | goto ON_EXIT;\r | |
3639 | }\r | |
3640 | \r | |
3539e850 | 3641 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_NAME_FORMAT), NULL);\r |
3642 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_LIST_HELP_FORMAT), NULL);\r | |
c411b485 | 3643 | if ((FormatNameString == NULL) || (FormatHelpString == NULL)) {\r |
3539e850 | 3644 | goto ON_EXIT;\r |
3645 | }\r | |
3646 | \r | |
85974aef | 3647 | RemainingSize = DataSize;\r |
3648 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r | |
3649 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize)) {\r | |
3650 | if (CompareGuid (&ListWalker->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
3651 | ListType = STRING_TOKEN (STR_LIST_TYPE_RSA2048_SHA256);\r | |
3652 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Guid)) {\r | |
3653 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509);\r | |
3654 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha1Guid)) {\r | |
3655 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA1);\r | |
3656 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertSha256Guid)) {\r | |
3657 | ListType = STRING_TOKEN (STR_LIST_TYPE_SHA256);\r | |
3658 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
3659 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA256);\r | |
3660 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
3661 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA384);\r | |
3662 | } else if (CompareGuid (&ListWalker->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
3663 | ListType = STRING_TOKEN (STR_LIST_TYPE_X509_SHA512);\r | |
3664 | } else {\r | |
3665 | ListType = STRING_TOKEN (STR_LIST_TYPE_UNKNOWN);\r | |
3666 | }\r | |
c411b485 | 3667 | \r |
3539e850 | 3668 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListType, NULL);\r |
3669 | if (FormatTypeString == NULL) {\r | |
3670 | goto ON_EXIT;\r | |
3671 | }\r | |
85974aef | 3672 | \r |
65c77f02 | 3673 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 3674 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
65c77f02 | 3675 | \r |
3676 | ZeroMem (HelpBuffer, sizeof (HelpBuffer));\r | |
c411b485 MK |
3677 | UnicodeSPrint (\r |
3678 | HelpBuffer,\r | |
65c77f02 | 3679 | sizeof (HelpBuffer),\r |
3539e850 | 3680 | FormatHelpString,\r |
3681 | FormatTypeString,\r | |
85974aef | 3682 | SIGNATURE_DATA_COUNTS (ListWalker)\r |
c411b485 | 3683 | );\r |
3539e850 | 3684 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
3685 | FormatTypeString = NULL;\r | |
85974aef | 3686 | \r |
3687 | HiiCreateGotoOpCode (\r | |
3688 | StartOpCodeHandle,\r | |
3689 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
3690 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
3691 | HiiSetString (PrivateData->HiiHandle, 0, HelpBuffer, NULL),\r | |
3692 | EFI_IFR_FLAG_CALLBACK,\r | |
3693 | QuestionIdBase + Index++\r | |
c411b485 | 3694 | );\r |
85974aef | 3695 | \r |
85974aef | 3696 | RemainingSize -= ListWalker->SignatureListSize;\r |
c411b485 | 3697 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r |
85974aef | 3698 | }\r |
3699 | \r | |
3700 | ON_EXIT:\r | |
3701 | HiiUpdateForm (\r | |
3702 | PrivateData->HiiHandle,\r | |
3703 | &gSecureBootConfigFormSetGuid,\r | |
3704 | FormId,\r | |
3705 | StartOpCodeHandle,\r | |
3706 | EndOpCodeHandle\r | |
c411b485 | 3707 | );\r |
85974aef | 3708 | \r |
3709 | HiiUpdateForm (\r | |
3710 | PrivateData->HiiHandle,\r | |
3711 | &gSecureBootConfigFormSetGuid,\r | |
3712 | FormId,\r | |
3713 | StartGotoHandle,\r | |
3714 | EndGotoHandle\r | |
c411b485 | 3715 | );\r |
85974aef | 3716 | \r |
3717 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
3718 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
3719 | SECUREBOOT_FREE_NON_OPCODE (StartGotoHandle);\r | |
3720 | SECUREBOOT_FREE_NON_OPCODE (EndGotoHandle);\r | |
3721 | \r | |
85974aef | 3722 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 3723 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
3724 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r | |
85974aef | 3725 | \r |
3726 | PrivateData->ListCount = Index;\r | |
3727 | \r | |
3728 | return Status;\r | |
3729 | }\r | |
3730 | \r | |
3731 | /**\r | |
3732 | Parse hash value from EFI_SIGNATURE_DATA, and save in the CHAR16 type array.\r | |
3733 | The buffer is callee allocated and should be freed by the caller.\r | |
3734 | \r | |
3735 | @param[in] ListEntry The pointer point to the signature list.\r | |
3736 | @param[in] DataEntry The signature data we are processing.\r | |
3737 | @param[out] BufferToReturn Buffer to save the hash value.\r | |
3738 | \r | |
3739 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3740 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3741 | @retval EFI_SUCCESS Operation success.\r | |
3742 | **/\r | |
3743 | EFI_STATUS\r | |
3744 | ParseHashValue (\r | |
c411b485 MK |
3745 | IN EFI_SIGNATURE_LIST *ListEntry,\r |
3746 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3747 | OUT CHAR16 **BufferToReturn\r | |
85974aef | 3748 | )\r |
3749 | {\r | |
c411b485 MK |
3750 | UINTN Index;\r |
3751 | UINTN BufferIndex;\r | |
3752 | UINTN TotalSize;\r | |
3753 | UINTN DataSize;\r | |
3754 | UINTN Line;\r | |
3755 | UINTN OneLineBytes;\r | |
85974aef | 3756 | \r |
3757 | //\r | |
3758 | // Assume that, display 8 bytes in one line.\r | |
3759 | //\r | |
3760 | OneLineBytes = 8;\r | |
3761 | \r | |
c411b485 | 3762 | if ((ListEntry == NULL) || (DataEntry == NULL) || (BufferToReturn == NULL)) {\r |
85974aef | 3763 | return EFI_INVALID_PARAMETER;\r |
3764 | }\r | |
3765 | \r | |
c411b485 MK |
3766 | DataSize = ListEntry->SignatureSize - sizeof (EFI_GUID);\r |
3767 | Line = (DataSize + OneLineBytes - 1) / OneLineBytes;\r | |
85974aef | 3768 | \r |
3769 | //\r | |
3770 | // Each byte will split two Hex-number, and each line need additional memory to save '\r\n'.\r | |
3771 | //\r | |
c411b485 | 3772 | TotalSize = ((DataSize + Line) * 2 * sizeof (CHAR16));\r |
85974aef | 3773 | \r |
c411b485 | 3774 | *BufferToReturn = AllocateZeroPool (TotalSize);\r |
85974aef | 3775 | if (*BufferToReturn == NULL) {\r |
3776 | return EFI_OUT_OF_RESOURCES;\r | |
3777 | }\r | |
3778 | \r | |
3779 | for (Index = 0, BufferIndex = 0; Index < DataSize; Index = Index + 1) {\r | |
3780 | if ((Index > 0) && (Index % OneLineBytes == 0)) {\r | |
c411b485 | 3781 | BufferIndex += UnicodeSPrint (&(*BufferToReturn)[BufferIndex], TotalSize - sizeof (CHAR16) * BufferIndex, L"\n");\r |
85974aef | 3782 | }\r |
c411b485 MK |
3783 | \r |
3784 | BufferIndex += UnicodeSPrint (&(*BufferToReturn)[BufferIndex], TotalSize - sizeof (CHAR16) * BufferIndex, L"%02x", DataEntry->SignatureData[Index]);\r | |
85974aef | 3785 | }\r |
c411b485 MK |
3786 | \r |
3787 | BufferIndex += UnicodeSPrint (&(*BufferToReturn)[BufferIndex], TotalSize - sizeof (CHAR16) * BufferIndex, L"\n");\r | |
85974aef | 3788 | \r |
3789 | return EFI_SUCCESS;\r | |
3790 | }\r | |
3791 | \r | |
3792 | /**\r | |
3793 | Function to get the common name from the X509 format certificate.\r | |
3794 | The buffer is callee allocated and should be freed by the caller.\r | |
3795 | \r | |
3796 | @param[in] ListEntry The pointer point to the signature list.\r | |
3797 | @param[in] DataEntry The signature data we are processing.\r | |
3798 | @param[out] BufferToReturn Buffer to save the CN of X509 certificate.\r | |
3799 | \r | |
3800 | @retval EFI_INVALID_PARAMETER Invalid List or Data or Buffer.\r | |
3801 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3802 | @retval EFI_SUCCESS Operation success.\r | |
3803 | @retval EFI_NOT_FOUND Not found CN field in the X509 certificate.\r | |
3804 | **/\r | |
3805 | EFI_STATUS\r | |
3806 | GetCommonNameFromX509 (\r | |
c411b485 MK |
3807 | IN EFI_SIGNATURE_LIST *ListEntry,\r |
3808 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3809 | OUT CHAR16 **BufferToReturn\r | |
85974aef | 3810 | )\r |
3811 | {\r | |
c411b485 MK |
3812 | EFI_STATUS Status;\r |
3813 | CHAR8 *CNBuffer;\r | |
3814 | UINTN CNBufferSize;\r | |
85974aef | 3815 | \r |
c411b485 MK |
3816 | Status = EFI_SUCCESS;\r |
3817 | CNBuffer = NULL;\r | |
85974aef | 3818 | \r |
c411b485 | 3819 | CNBuffer = AllocateZeroPool (256);\r |
85974aef | 3820 | if (CNBuffer == NULL) {\r |
3821 | Status = EFI_OUT_OF_RESOURCES;\r | |
3822 | goto ON_EXIT;\r | |
3823 | }\r | |
3824 | \r | |
3825 | CNBufferSize = 256;\r | |
3826 | X509GetCommonName (\r | |
c411b485 MK |
3827 | (UINT8 *)DataEntry + sizeof (EFI_GUID),\r |
3828 | ListEntry->SignatureSize - sizeof (EFI_GUID),\r | |
85974aef | 3829 | CNBuffer,\r |
3830 | &CNBufferSize\r | |
c411b485 | 3831 | );\r |
85974aef | 3832 | \r |
c411b485 | 3833 | *BufferToReturn = AllocateZeroPool (256 * sizeof (CHAR16));\r |
85974aef | 3834 | if (*BufferToReturn == NULL) {\r |
3835 | Status = EFI_OUT_OF_RESOURCES;\r | |
3836 | goto ON_EXIT;\r | |
3837 | }\r | |
3838 | \r | |
3839 | AsciiStrToUnicodeStrS (CNBuffer, *BufferToReturn, 256);\r | |
3840 | \r | |
3841 | ON_EXIT:\r | |
3842 | SECUREBOOT_FREE_NON_NULL (CNBuffer);\r | |
3843 | \r | |
3844 | return Status;\r | |
3845 | }\r | |
3846 | \r | |
3847 | /**\r | |
3848 | Format the help info for the signature data, each help info contain 3 parts.\r | |
3849 | 1. Onwer Guid.\r | |
3850 | 2. Content, depends on the type of the signature list.\r | |
3851 | 3. Revocation time.\r | |
3852 | \r | |
3853 | @param[in] PrivateData Module's private data.\r | |
3854 | @param[in] ListEntry Point to the signature list.\r | |
3855 | @param[in] DataEntry Point to the signature data we are processing.\r | |
3856 | @param[out] StringId Save the string id of help info.\r | |
3857 | \r | |
3858 | @retval EFI_SUCCESS Operation success.\r | |
3859 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
3860 | **/\r | |
3861 | EFI_STATUS\r | |
3862 | FormatHelpInfo (\r | |
c411b485 MK |
3863 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
3864 | IN EFI_SIGNATURE_LIST *ListEntry,\r | |
3865 | IN EFI_SIGNATURE_DATA *DataEntry,\r | |
3866 | OUT EFI_STRING_ID *StringId\r | |
85974aef | 3867 | )\r |
3868 | {\r | |
c411b485 MK |
3869 | EFI_STATUS Status;\r |
3870 | EFI_TIME *Time;\r | |
3871 | EFI_STRING_ID ListTypeId;\r | |
3872 | EFI_STRING FormatHelpString;\r | |
3873 | EFI_STRING FormatTypeString;\r | |
3874 | UINTN DataSize;\r | |
3875 | UINTN HelpInfoIndex;\r | |
3876 | UINTN TotalSize;\r | |
3877 | CHAR16 GuidString[BUFFER_MAX_SIZE];\r | |
3878 | CHAR16 TimeString[BUFFER_MAX_SIZE];\r | |
3879 | CHAR16 *DataString;\r | |
3880 | CHAR16 *HelpInfoString;\r | |
3881 | BOOLEAN IsCert;\r | |
3882 | \r | |
3883 | Status = EFI_SUCCESS;\r | |
3884 | Time = NULL;\r | |
3885 | FormatTypeString = NULL;\r | |
3886 | HelpInfoIndex = 0;\r | |
3887 | DataString = NULL;\r | |
3888 | HelpInfoString = NULL;\r | |
3889 | IsCert = FALSE;\r | |
3890 | \r | |
3891 | if (CompareGuid (&ListEntry->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
3892 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_RSA2048_SHA256);\r | |
3893 | DataSize = ListEntry->SignatureSize - sizeof (EFI_GUID);\r | |
3894 | IsCert = TRUE;\r | |
3895 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertX509Guid)) {\r | |
3896 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_X509);\r | |
3897 | DataSize = ListEntry->SignatureSize - sizeof (EFI_GUID);\r | |
3898 | IsCert = TRUE;\r | |
3899 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertSha1Guid)) {\r | |
3900 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_SHA1);\r | |
3901 | DataSize = 20;\r | |
3902 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertSha256Guid)) {\r | |
3903 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_SHA256);\r | |
3904 | DataSize = 32;\r | |
3905 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertX509Sha256Guid)) {\r | |
3906 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_X509_SHA256);\r | |
3907 | DataSize = 32;\r | |
3908 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3909 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertX509Sha384Guid)) {\r | |
3910 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_X509_SHA384);\r | |
3911 | DataSize = 48;\r | |
3912 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
3913 | } else if (CompareGuid (&ListEntry->SignatureType, &gEfiCertX509Sha512Guid)) {\r | |
3914 | ListTypeId = STRING_TOKEN (STR_LIST_TYPE_X509_SHA512);\r | |
3915 | DataSize = 64;\r | |
3916 | Time = (EFI_TIME *)(DataEntry->SignatureData + DataSize);\r | |
85974aef | 3917 | } else {\r |
3918 | Status = EFI_UNSUPPORTED;\r | |
3919 | goto ON_EXIT;\r | |
3920 | }\r | |
3921 | \r | |
3539e850 | 3922 | FormatTypeString = HiiGetString (PrivateData->HiiHandle, ListTypeId, NULL);\r |
3923 | if (FormatTypeString == NULL) {\r | |
3924 | goto ON_EXIT;\r | |
3925 | }\r | |
3926 | \r | |
c411b485 | 3927 | TotalSize = 1024;\r |
85974aef | 3928 | HelpInfoString = AllocateZeroPool (TotalSize);\r |
3929 | if (HelpInfoString == NULL) {\r | |
3930 | Status = EFI_OUT_OF_RESOURCES;\r | |
3931 | goto ON_EXIT;\r | |
3932 | }\r | |
3933 | \r | |
3934 | //\r | |
3935 | // Format GUID part.\r | |
3936 | //\r | |
65c77f02 | 3937 | ZeroMem (GuidString, sizeof (GuidString));\r |
c411b485 | 3938 | GuidToString (&DataEntry->SignatureOwner, GuidString, BUFFER_MAX_SIZE);\r |
3539e850 | 3939 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_GUID), NULL);\r |
3940 | if (FormatHelpString == NULL) {\r | |
3941 | goto ON_EXIT;\r | |
3942 | }\r | |
c411b485 | 3943 | \r |
85974aef | 3944 | HelpInfoIndex += UnicodeSPrint (\r |
3945 | &HelpInfoString[HelpInfoIndex],\r | |
c411b485 | 3946 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r |
3539e850 | 3947 | FormatHelpString,\r |
85974aef | 3948 | GuidString\r |
c411b485 | 3949 | );\r |
3539e850 | 3950 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
3951 | FormatHelpString = NULL;\r | |
85974aef | 3952 | \r |
3953 | //\r | |
3954 | // Format content part, it depends on the type of signature list, hash value or CN.\r | |
3955 | //\r | |
3956 | if (IsCert) {\r | |
3957 | GetCommonNameFromX509 (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 3958 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_CN), NULL);\r |
85974aef | 3959 | } else {\r |
3960 | //\r | |
3961 | // Format hash value for each signature data entry.\r | |
3962 | //\r | |
3963 | ParseHashValue (ListEntry, DataEntry, &DataString);\r | |
3539e850 | 3964 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_HASH), NULL);\r |
3965 | }\r | |
c411b485 | 3966 | \r |
3539e850 | 3967 | if (FormatHelpString == NULL) {\r |
3968 | goto ON_EXIT;\r | |
85974aef | 3969 | }\r |
c411b485 | 3970 | \r |
3539e850 | 3971 | HelpInfoIndex += UnicodeSPrint (\r |
3972 | &HelpInfoString[HelpInfoIndex],\r | |
3973 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
3974 | FormatHelpString,\r | |
3975 | FormatTypeString,\r | |
3976 | DataSize,\r | |
3977 | DataString\r | |
c411b485 | 3978 | );\r |
3539e850 | 3979 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
3980 | FormatHelpString = NULL;\r | |
85974aef | 3981 | \r |
3982 | //\r | |
3983 | // Format revocation time part.\r | |
3984 | //\r | |
3985 | if (Time != NULL) {\r | |
65c77f02 | 3986 | ZeroMem (TimeString, sizeof (TimeString));\r |
85974aef | 3987 | UnicodeSPrint (\r |
3988 | TimeString,\r | |
65c77f02 | 3989 | sizeof (TimeString),\r |
85974aef | 3990 | L"%d-%d-%d %d:%d:%d",\r |
3991 | Time->Year,\r | |
3992 | Time->Month,\r | |
3993 | Time->Day,\r | |
3994 | Time->Hour,\r | |
3995 | Time->Minute,\r | |
3996 | Time->Second\r | |
c411b485 | 3997 | );\r |
3539e850 | 3998 | FormatHelpString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_HELP_FORMAT_TIME), NULL);\r |
3999 | if (FormatHelpString == NULL) {\r | |
4000 | goto ON_EXIT;\r | |
4001 | }\r | |
c411b485 | 4002 | \r |
85974aef | 4003 | UnicodeSPrint (\r |
4004 | &HelpInfoString[HelpInfoIndex],\r | |
4005 | TotalSize - sizeof (CHAR16) * HelpInfoIndex,\r | |
3539e850 | 4006 | FormatHelpString,\r |
85974aef | 4007 | TimeString\r |
c411b485 | 4008 | );\r |
3539e850 | 4009 | SECUREBOOT_FREE_NON_NULL (FormatHelpString);\r |
4010 | FormatHelpString = NULL;\r | |
85974aef | 4011 | }\r |
4012 | \r | |
4013 | *StringId = HiiSetString (PrivateData->HiiHandle, 0, HelpInfoString, NULL);\r | |
85974aef | 4014 | ON_EXIT:\r |
85974aef | 4015 | SECUREBOOT_FREE_NON_NULL (DataString);\r |
85974aef | 4016 | SECUREBOOT_FREE_NON_NULL (HelpInfoString);\r |
4017 | \r | |
3539e850 | 4018 | SECUREBOOT_FREE_NON_NULL (FormatTypeString);\r |
4019 | \r | |
85974aef | 4020 | return Status;\r |
4021 | }\r | |
4022 | \r | |
4023 | /**\r | |
ba562ca0 | 4024 | This function to load signature data under the signature list.\r |
85974aef | 4025 | \r |
4026 | @param[in] PrivateData Module's private data.\r | |
4027 | @param[in] LabelId Label number to insert opcodes.\r | |
4028 | @param[in] FormId Form ID of current page.\r | |
4029 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
4030 | @param[in] ListIndex Indicate to load which signature list.\r | |
4031 | \r | |
4032 | @retval EFI_SUCCESS Success to update the signature list page\r | |
4033 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
4034 | **/\r | |
4035 | EFI_STATUS\r | |
4036 | LoadSignatureData (\r | |
c411b485 MK |
4037 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r |
4038 | IN UINT16 LabelId,\r | |
4039 | IN EFI_FORM_ID FormId,\r | |
4040 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
4041 | IN UINT16 ListIndex\r | |
85974aef | 4042 | )\r |
4043 | {\r | |
c411b485 MK |
4044 | EFI_STATUS Status;\r |
4045 | EFI_SIGNATURE_LIST *ListWalker;\r | |
4046 | EFI_SIGNATURE_DATA *DataWalker;\r | |
4047 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
4048 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
4049 | EFI_STRING_ID HelpStringId;\r | |
4050 | EFI_STRING FormatNameString;\r | |
4051 | VOID *StartOpCodeHandle;\r | |
4052 | VOID *EndOpCodeHandle;\r | |
4053 | UINTN DataSize;\r | |
4054 | UINTN RemainingSize;\r | |
4055 | UINT16 Index;\r | |
4056 | UINT8 *VariableData;\r | |
4057 | CHAR16 VariableName[BUFFER_MAX_SIZE];\r | |
4058 | CHAR16 NameBuffer[BUFFER_MAX_SIZE];\r | |
4059 | \r | |
4060 | Status = EFI_SUCCESS;\r | |
4061 | FormatNameString = NULL;\r | |
4062 | StartOpCodeHandle = NULL;\r | |
4063 | EndOpCodeHandle = NULL;\r | |
4064 | Index = 0;\r | |
4065 | VariableData = NULL;\r | |
85974aef | 4066 | \r |
4067 | //\r | |
4068 | // Initialize the container for dynamic opcodes.\r | |
4069 | //\r | |
4070 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4071 | if (StartOpCodeHandle == NULL) {\r | |
4072 | Status = EFI_OUT_OF_RESOURCES;\r | |
4073 | goto ON_EXIT;\r | |
4074 | }\r | |
4075 | \r | |
4076 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
4077 | if (EndOpCodeHandle == NULL) {\r | |
4078 | Status = EFI_OUT_OF_RESOURCES;\r | |
4079 | goto ON_EXIT;\r | |
4080 | }\r | |
4081 | \r | |
4082 | //\r | |
4083 | // Create Hii Extend Label OpCode.\r | |
4084 | //\r | |
4085 | StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4086 | StartOpCodeHandle,\r | |
4087 | &gEfiIfrTianoGuid,\r | |
4088 | NULL,\r | |
4089 | sizeof (EFI_IFR_GUID_LABEL)\r | |
c411b485 MK |
4090 | );\r |
4091 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4092 | StartLabel->Number = LabelId;\r | |
85974aef | 4093 | \r |
4094 | EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r | |
4095 | EndOpCodeHandle,\r | |
4096 | &gEfiIfrTianoGuid,\r | |
4097 | NULL,\r | |
4098 | sizeof (EFI_IFR_GUID_LABEL)\r | |
c411b485 MK |
4099 | );\r |
4100 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
4101 | EndLabel->Number = LABEL_END;\r | |
85974aef | 4102 | \r |
0085d619 | 4103 | if (PrivateData->VariableName == Variable_DB) {\r |
65c77f02 | 4104 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE);\r |
0085d619 | 4105 | } else if (PrivateData->VariableName == Variable_DBX) {\r |
65c77f02 | 4106 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE1);\r |
0085d619 | 4107 | } else if (PrivateData->VariableName == Variable_DBT) {\r |
65c77f02 | 4108 | UnicodeSPrint (VariableName, sizeof (VariableName), EFI_IMAGE_SECURITY_DATABASE2);\r |
85974aef | 4109 | } else {\r |
4110 | goto ON_EXIT;\r | |
4111 | }\r | |
4112 | \r | |
4113 | //\r | |
4114 | // Read Variable, the variable name save in the PrivateData->VariableName.\r | |
4115 | //\r | |
4116 | DataSize = 0;\r | |
c411b485 MK |
4117 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r |
4118 | if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {\r | |
85974aef | 4119 | goto ON_EXIT;\r |
4120 | }\r | |
4121 | \r | |
4122 | VariableData = AllocateZeroPool (DataSize);\r | |
4123 | if (VariableData == NULL) {\r | |
4124 | Status = EFI_OUT_OF_RESOURCES;\r | |
4125 | goto ON_EXIT;\r | |
4126 | }\r | |
c411b485 | 4127 | \r |
85974aef | 4128 | Status = gRT->GetVariable (VariableName, &gEfiImageSecurityDatabaseGuid, NULL, &DataSize, VariableData);\r |
4129 | if (EFI_ERROR (Status)) {\r | |
4130 | goto ON_EXIT;\r | |
4131 | }\r | |
4132 | \r | |
85974aef | 4133 | RemainingSize = DataSize;\r |
c411b485 | 4134 | ListWalker = (EFI_SIGNATURE_LIST *)VariableData;\r |
85974aef | 4135 | \r |
4136 | //\r | |
4137 | // Skip signature list.\r | |
4138 | //\r | |
4139 | while ((RemainingSize > 0) && (RemainingSize >= ListWalker->SignatureListSize) && ListIndex-- > 0) {\r | |
4140 | RemainingSize -= ListWalker->SignatureListSize;\r | |
c411b485 | 4141 | ListWalker = (EFI_SIGNATURE_LIST *)((UINT8 *)ListWalker + ListWalker->SignatureListSize);\r |
85974aef | 4142 | }\r |
4143 | \r | |
3539e850 | 4144 | FormatNameString = HiiGetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SIGNATURE_DATA_NAME_FORMAT), NULL);\r |
4145 | if (FormatNameString == NULL) {\r | |
4146 | goto ON_EXIT;\r | |
4147 | }\r | |
4148 | \r | |
c411b485 MK |
4149 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)ListWalker + sizeof (EFI_SIGNATURE_LIST) + ListWalker->SignatureHeaderSize);\r |
4150 | for (Index = 0; Index < SIGNATURE_DATA_COUNTS (ListWalker); Index = Index + 1) {\r | |
85974aef | 4151 | //\r |
4152 | // Format name buffer.\r | |
4153 | //\r | |
65c77f02 | 4154 | ZeroMem (NameBuffer, sizeof (NameBuffer));\r |
3539e850 | 4155 | UnicodeSPrint (NameBuffer, sizeof (NameBuffer), FormatNameString, Index + 1);\r |
85974aef | 4156 | \r |
4157 | //\r | |
4158 | // Format help info buffer.\r | |
4159 | //\r | |
4160 | Status = FormatHelpInfo (PrivateData, ListWalker, DataWalker, &HelpStringId);\r | |
4161 | if (EFI_ERROR (Status)) {\r | |
4162 | goto ON_EXIT;\r | |
4163 | }\r | |
4164 | \r | |
4165 | HiiCreateCheckBoxOpCode (\r | |
4166 | StartOpCodeHandle,\r | |
4167 | (EFI_QUESTION_ID)(QuestionIdBase + Index),\r | |
4168 | 0,\r | |
4169 | 0,\r | |
4170 | HiiSetString (PrivateData->HiiHandle, 0, NameBuffer, NULL),\r | |
4171 | HelpStringId,\r | |
4172 | EFI_IFR_FLAG_CALLBACK,\r | |
4173 | 0,\r | |
4174 | NULL\r | |
c411b485 | 4175 | );\r |
85974aef | 4176 | \r |
c411b485 | 4177 | ZeroMem (NameBuffer, 100);\r |
85974aef | 4178 | DataWalker = (EFI_SIGNATURE_DATA *)((UINT8 *)DataWalker + ListWalker->SignatureSize);\r |
4179 | }\r | |
4180 | \r | |
4181 | //\r | |
4182 | // Allocate a buffer to record which signature data will be checked.\r | |
4183 | // This memory buffer will be freed when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
4184 | //\r | |
4185 | PrivateData->CheckArray = AllocateZeroPool (SIGNATURE_DATA_COUNTS (ListWalker) * sizeof (BOOLEAN));\r | |
85974aef | 4186 | ON_EXIT:\r |
4187 | HiiUpdateForm (\r | |
4188 | PrivateData->HiiHandle,\r | |
4189 | &gSecureBootConfigFormSetGuid,\r | |
4190 | FormId,\r | |
4191 | StartOpCodeHandle,\r | |
4192 | EndOpCodeHandle\r | |
c411b485 | 4193 | );\r |
85974aef | 4194 | \r |
4195 | SECUREBOOT_FREE_NON_OPCODE (StartOpCodeHandle);\r | |
4196 | SECUREBOOT_FREE_NON_OPCODE (EndOpCodeHandle);\r | |
4197 | \r | |
85974aef | 4198 | SECUREBOOT_FREE_NON_NULL (VariableData);\r |
3539e850 | 4199 | SECUREBOOT_FREE_NON_NULL (FormatNameString);\r |
85974aef | 4200 | \r |
4201 | return Status;\r | |
4202 | }\r | |
4203 | \r | |
55266a9b GB |
4204 | /**\r |
4205 | This function reinitializes Secure Boot variables with default values.\r | |
4206 | \r | |
4207 | @retval EFI_SUCCESS Success to update the signature list page\r | |
4208 | @retval others Fail to delete or enroll signature data.\r | |
4209 | **/\r | |
4210 | STATIC EFI_STATUS\r | |
4211 | EFIAPI\r | |
4212 | KeyEnrollReset (\r | |
4213 | VOID\r | |
4214 | )\r | |
4215 | {\r | |
4216 | EFI_STATUS Status;\r | |
4217 | UINT8 SetupMode;\r | |
4218 | \r | |
4219 | Status = EFI_SUCCESS;\r | |
4220 | \r | |
4221 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
c411b485 | 4222 | if (EFI_ERROR (Status)) {\r |
55266a9b GB |
4223 | return Status;\r |
4224 | }\r | |
4225 | \r | |
4226 | // Clear all the keys and databases\r | |
4227 | Status = DeleteDb ();\r | |
4228 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
4229 | DEBUG ((DEBUG_ERROR, "Fail to clear DB: %r\n", Status));\r | |
4230 | return Status;\r | |
4231 | }\r | |
4232 | \r | |
4233 | Status = DeleteDbx ();\r | |
4234 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
4235 | DEBUG ((DEBUG_ERROR, "Fail to clear DBX: %r\n", Status));\r | |
4236 | return Status;\r | |
4237 | }\r | |
4238 | \r | |
4239 | Status = DeleteDbt ();\r | |
4240 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
4241 | DEBUG ((DEBUG_ERROR, "Fail to clear DBT: %r\n", Status));\r | |
4242 | return Status;\r | |
4243 | }\r | |
4244 | \r | |
4245 | Status = DeleteKEK ();\r | |
4246 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
4247 | DEBUG ((DEBUG_ERROR, "Fail to clear KEK: %r\n", Status));\r | |
4248 | return Status;\r | |
4249 | }\r | |
4250 | \r | |
4251 | Status = DeletePlatformKey ();\r | |
4252 | if (EFI_ERROR (Status) && (Status != EFI_NOT_FOUND)) {\r | |
4253 | DEBUG ((DEBUG_ERROR, "Fail to clear PK: %r\n", Status));\r | |
4254 | return Status;\r | |
4255 | }\r | |
4256 | \r | |
4257 | // After PK clear, Setup Mode shall be enabled\r | |
4258 | Status = GetSetupMode (&SetupMode);\r | |
4259 | if (EFI_ERROR (Status)) {\r | |
c411b485 MK |
4260 | DEBUG ((\r |
4261 | DEBUG_ERROR,\r | |
4262 | "Cannot get SetupMode variable: %r\n",\r | |
4263 | Status\r | |
4264 | ));\r | |
55266a9b GB |
4265 | return Status;\r |
4266 | }\r | |
4267 | \r | |
4268 | if (SetupMode == USER_MODE) {\r | |
c411b485 | 4269 | DEBUG ((DEBUG_INFO, "Skipped - USER_MODE\n"));\r |
55266a9b GB |
4270 | return EFI_SUCCESS;\r |
4271 | }\r | |
4272 | \r | |
4273 | Status = SetSecureBootMode (CUSTOM_SECURE_BOOT_MODE);\r | |
4274 | if (EFI_ERROR (Status)) {\r | |
c411b485 MK |
4275 | DEBUG ((\r |
4276 | DEBUG_ERROR,\r | |
4277 | "Cannot set CUSTOM_SECURE_BOOT_MODE: %r\n",\r | |
4278 | Status\r | |
4279 | ));\r | |
55266a9b GB |
4280 | return EFI_SUCCESS;\r |
4281 | }\r | |
4282 | \r | |
4283 | // Enroll all the keys from default variables\r | |
4284 | Status = EnrollDbFromDefault ();\r | |
4285 | if (EFI_ERROR (Status)) {\r | |
4286 | DEBUG ((DEBUG_ERROR, "Cannot enroll db: %r\n", Status));\r | |
4287 | goto error;\r | |
4288 | }\r | |
4289 | \r | |
4290 | Status = EnrollDbxFromDefault ();\r | |
4291 | if (EFI_ERROR (Status)) {\r | |
4292 | DEBUG ((DEBUG_ERROR, "Cannot enroll dbx: %r\n", Status));\r | |
4293 | }\r | |
4294 | \r | |
4295 | Status = EnrollDbtFromDefault ();\r | |
4296 | if (EFI_ERROR (Status)) {\r | |
4297 | DEBUG ((DEBUG_ERROR, "Cannot enroll dbt: %r\n", Status));\r | |
4298 | }\r | |
4299 | \r | |
4300 | Status = EnrollKEKFromDefault ();\r | |
4301 | if (EFI_ERROR (Status)) {\r | |
4302 | DEBUG ((DEBUG_ERROR, "Cannot enroll KEK: %r\n", Status));\r | |
4303 | goto cleardbs;\r | |
4304 | }\r | |
4305 | \r | |
4306 | Status = EnrollPKFromDefault ();\r | |
4307 | if (EFI_ERROR (Status)) {\r | |
4308 | DEBUG ((DEBUG_ERROR, "Cannot enroll PK: %r\n", Status));\r | |
4309 | goto clearKEK;\r | |
4310 | }\r | |
4311 | \r | |
4312 | Status = SetSecureBootMode (STANDARD_SECURE_BOOT_MODE);\r | |
4313 | if (EFI_ERROR (Status)) {\r | |
c411b485 MK |
4314 | DEBUG ((\r |
4315 | DEBUG_ERROR,\r | |
4316 | "Cannot set CustomMode to STANDARD_SECURE_BOOT_MODE\n"\r | |
4317 | "Please do it manually, otherwise system can be easily compromised\n"\r | |
4318 | ));\r | |
55266a9b GB |
4319 | }\r |
4320 | \r | |
4321 | return Status;\r | |
4322 | \r | |
4323 | clearKEK:\r | |
4324 | DeleteKEK ();\r | |
4325 | \r | |
4326 | cleardbs:\r | |
4327 | DeleteDbt ();\r | |
4328 | DeleteDbx ();\r | |
4329 | DeleteDb ();\r | |
4330 | \r | |
4331 | error:\r | |
4332 | if (SetSecureBootMode (STANDARD_SECURE_BOOT_MODE) != EFI_SUCCESS) {\r | |
4333 | DEBUG ((DEBUG_ERROR, "Cannot set mode to Secure: %r\n", Status));\r | |
4334 | }\r | |
c411b485 | 4335 | \r |
55266a9b GB |
4336 | return Status;\r |
4337 | }\r | |
4338 | \r | |
beda2356 | 4339 | /**\r |
ecc722ad | 4340 | This function is called to provide results data to the driver.\r |
beda2356 | 4341 | \r |
4342 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
4343 | @param[in] Action Specifies the type of action taken by the browser.\r | |
4344 | @param[in] QuestionId A unique value which is sent to the original\r | |
4345 | exporting driver so that it can identify the type\r | |
4346 | of data to expect.\r | |
4347 | @param[in] Type The type of value for the question.\r | |
4348 | @param[in] Value A pointer to the data being sent to the original\r | |
4349 | exporting driver.\r | |
4350 | @param[out] ActionRequest On return, points to the action requested by the\r | |
4351 | callback function.\r | |
4352 | \r | |
4353 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
4354 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
4355 | variable and its data.\r | |
4356 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
4357 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
4358 | callback.\r | |
4359 | \r | |
4360 | **/\r | |
4361 | EFI_STATUS\r | |
4362 | EFIAPI\r | |
4363 | SecureBootCallback (\r | |
c411b485 MK |
4364 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r |
4365 | IN EFI_BROWSER_ACTION Action,\r | |
4366 | IN EFI_QUESTION_ID QuestionId,\r | |
4367 | IN UINT8 Type,\r | |
4368 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
4369 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
beda2356 | 4370 | )\r |
4371 | {\r | |
ecc722ad | 4372 | EFI_INPUT_KEY Key;\r |
20333c6d | 4373 | EFI_STATUS Status;\r |
2a085774 | 4374 | RETURN_STATUS RStatus;\r |
ecc722ad | 4375 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r |
4376 | UINTN BufferSize;\r | |
4377 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
4378 | UINT16 LabelId;\r | |
bf4a3dbd | 4379 | UINT8 *SecureBootEnable;\r |
126f3b1d | 4380 | UINT8 *Pk;\r |
f71ed839 | 4381 | UINT8 *SecureBootMode;\r |
12087ff6 | 4382 | UINT8 *SetupMode;\r |
e4d7370d | 4383 | CHAR16 PromptString[100];\r |
762d8ddb | 4384 | EFI_DEVICE_PATH_PROTOCOL *File;\r |
4de754e1 ZC |
4385 | UINTN NameLength;\r |
4386 | UINT16 *FilePostFix;\r | |
4387 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r | |
488aab25 | 4388 | BOOLEAN GetBrowserDataResult;\r |
5396354b | 4389 | ENROLL_KEY_ERROR EnrollKeyErrorCode;\r |
55266a9b GB |
4390 | EFI_HII_POPUP_PROTOCOL *HiiPopup;\r |
4391 | EFI_HII_POPUP_SELECTION UserSelection;\r | |
bf4a3dbd | 4392 | \r |
5396354b JG |
4393 | Status = EFI_SUCCESS;\r |
4394 | SecureBootEnable = NULL;\r | |
4395 | SecureBootMode = NULL;\r | |
4396 | SetupMode = NULL;\r | |
4397 | File = NULL;\r | |
4398 | EnrollKeyErrorCode = None_Error;\r | |
bc0c99b3 | 4399 | \r |
beda2356 | 4400 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
4401 | return EFI_INVALID_PARAMETER;\r | |
4402 | }\r | |
12087ff6 | 4403 | \r |
96832eef CZ |
4404 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
4405 | \r | |
762d8ddb DB |
4406 | gSecureBootPrivateData = Private;\r |
4407 | \r | |
96832eef CZ |
4408 | //\r |
4409 | // Retrieve uncommitted data from Browser\r | |
4410 | //\r | |
4411 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
c411b485 | 4412 | IfrNvData = AllocateZeroPool (BufferSize);\r |
96832eef CZ |
4413 | if (IfrNvData == NULL) {\r |
4414 | return EFI_OUT_OF_RESOURCES;\r | |
4415 | }\r | |
4416 | \r | |
c411b485 | 4417 | GetBrowserDataResult = HiiGetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *)IfrNvData);\r |
beda2356 | 4418 | \r |
a365eed4 FS |
4419 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
4420 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
02dd6af9 CZ |
4421 | //\r |
4422 | // Update secure boot strings when opening this form\r | |
4423 | //\r | |
c411b485 | 4424 | Status = UpdateSecureBootString (Private);\r |
4de754e1 | 4425 | SecureBootExtractConfigFromVariable (Private, IfrNvData);\r |
a365eed4 | 4426 | mIsEnterSecureBootForm = TRUE;\r |
4de754e1 ZC |
4427 | } else {\r |
4428 | //\r | |
4429 | // When entering SecureBoot OPTION Form\r | |
4430 | // always close opened file & free resource\r | |
4431 | //\r | |
4432 | if ((QuestionId == KEY_SECURE_BOOT_PK_OPTION) ||\r | |
4433 | (QuestionId == KEY_SECURE_BOOT_KEK_OPTION) ||\r | |
4434 | (QuestionId == KEY_SECURE_BOOT_DB_OPTION) ||\r | |
4435 | (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) ||\r | |
c411b485 MK |
4436 | (QuestionId == KEY_SECURE_BOOT_DBT_OPTION))\r |
4437 | {\r | |
4438 | CloseEnrolledFile (Private->FileContext);\r | |
85974aef | 4439 | } else if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_LIST) {\r |
4440 | //\r | |
4441 | // Update ListCount field in varstore\r | |
4442 | // Button "Delete All Signature List" is\r | |
4443 | // enable when ListCount is greater than 0.\r | |
4444 | //\r | |
4445 | IfrNvData->ListCount = Private->ListCount;\r | |
4de754e1 | 4446 | }\r |
a365eed4 | 4447 | }\r |
c411b485 | 4448 | \r |
96832eef | 4449 | goto EXIT;\r |
a365eed4 | 4450 | }\r |
20333c6d | 4451 | \r |
a365eed4 FS |
4452 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r |
4453 | Status = EFI_UNSUPPORTED;\r | |
4454 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
4455 | if (mIsEnterSecureBootForm) {\r | |
4456 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
c411b485 | 4457 | Status = EFI_SUCCESS;\r |
a365eed4 | 4458 | }\r |
b3548d32 | 4459 | }\r |
c411b485 | 4460 | \r |
96832eef | 4461 | goto EXIT;\r |
a365eed4 | 4462 | }\r |
20333c6d | 4463 | \r |
f71ed839 | 4464 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
4465 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 4466 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
c411b485 MK |
4467 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD))\r |
4468 | {\r | |
96832eef CZ |
4469 | Status = EFI_UNSUPPORTED;\r |
4470 | goto EXIT;\r | |
beda2356 | 4471 | }\r |
bc0c99b3 | 4472 | \r |
ecc722ad | 4473 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r |
ecc722ad | 4474 | switch (QuestionId) {\r |
c411b485 MK |
4475 | case KEY_SECURE_BOOT_ENABLE:\r |
4476 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID **)&SecureBootEnable, NULL);\r | |
4477 | if (NULL != SecureBootEnable) {\r | |
4478 | FreePool (SecureBootEnable);\r | |
4479 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r | |
4480 | CreatePopUp (\r | |
4481 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4482 | &Key,\r | |
4483 | L"Only Physical Presence User could disable secure boot!",\r | |
4484 | NULL\r | |
4485 | );\r | |
4486 | Status = EFI_UNSUPPORTED;\r | |
4487 | } else {\r | |
4488 | CreatePopUp (\r | |
4489 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4490 | &Key,\r | |
4491 | L"Configuration changed, please reset the platform to take effect!",\r | |
4492 | NULL\r | |
4493 | );\r | |
4494 | }\r | |
ecc722ad | 4495 | }\r |
ecc722ad | 4496 | \r |
c411b485 MK |
4497 | break;\r |
4498 | \r | |
4499 | case KEY_SECURE_BOOT_KEK_OPTION:\r | |
4500 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
4501 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
4502 | case KEY_SECURE_BOOT_DBT_OPTION:\r | |
4503 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r | |
4504 | //\r | |
4505 | // Clear Signature GUID.\r | |
4506 | //\r | |
4507 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
ecc722ad | 4508 | if (Private->SignatureGUID == NULL) {\r |
c411b485 MK |
4509 | Private->SignatureGUID = (EFI_GUID *)AllocateZeroPool (sizeof (EFI_GUID));\r |
4510 | if (Private->SignatureGUID == NULL) {\r | |
4511 | return EFI_OUT_OF_RESOURCES;\r | |
4512 | }\r | |
ecc722ad | 4513 | }\r |
beda2356 | 4514 | \r |
c411b485 MK |
4515 | //\r |
4516 | // Cleanup VFRData once leaving PK/KEK/DB/DBX/DBT enroll/delete page\r | |
4517 | //\r | |
4518 | SecureBootExtractConfigFromVariable (PrivateData, IfrNvData);\r | |
4519 | \r | |
4520 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r | |
4521 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
4522 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
4523 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
4524 | } else if (QuestionId == KEY_SECURE_BOOT_DBT_OPTION) {\r | |
4525 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;\r | |
4526 | } else {\r | |
4527 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
4528 | }\r | |
762d8ddb | 4529 | \r |
c411b485 MK |
4530 | //\r |
4531 | // Refresh selected file.\r | |
4532 | //\r | |
4533 | CleanUpPage (LabelId, Private);\r | |
4534 | break;\r | |
4535 | case KEY_SECURE_BOOT_PK_OPTION:\r | |
4536 | LabelId = FORMID_ENROLL_PK_FORM;\r | |
4537 | //\r | |
4538 | // Refresh selected file.\r | |
4539 | //\r | |
4540 | CleanUpPage (LabelId, Private);\r | |
4541 | break;\r | |
20333c6d | 4542 | \r |
c411b485 MK |
4543 | case FORMID_ENROLL_PK_FORM:\r |
4544 | ChooseFile (NULL, NULL, UpdatePKFromFile, &File);\r | |
4545 | break;\r | |
762d8ddb | 4546 | \r |
c411b485 MK |
4547 | case FORMID_ENROLL_KEK_FORM:\r |
4548 | ChooseFile (NULL, NULL, UpdateKEKFromFile, &File);\r | |
4549 | break;\r | |
762d8ddb | 4550 | \r |
c411b485 MK |
4551 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r |
4552 | ChooseFile (NULL, NULL, UpdateDBFromFile, &File);\r | |
4553 | break;\r | |
4de754e1 | 4554 | \r |
c411b485 MK |
4555 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r |
4556 | ChooseFile (NULL, NULL, UpdateDBXFromFile, &File);\r | |
4de754e1 | 4557 | \r |
c411b485 | 4558 | if (Private->FileContext->FHandle != NULL) {\r |
4de754e1 | 4559 | //\r |
c411b485 | 4560 | // Parse the file's postfix.\r |
4de754e1 | 4561 | //\r |
c411b485 MK |
4562 | NameLength = StrLen (Private->FileContext->FileName);\r |
4563 | if (NameLength <= 4) {\r | |
4564 | return FALSE;\r | |
4565 | }\r | |
4de754e1 | 4566 | \r |
c411b485 MK |
4567 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r |
4568 | \r | |
4569 | if (IsDerEncodeCertificate (FilePostFix)) {\r | |
4570 | //\r | |
4571 | // Supports DER-encoded X509 certificate.\r | |
4572 | //\r | |
4573 | IfrNvData->FileEnrollType = X509_CERT_FILE_TYPE;\r | |
4574 | } else if (IsAuthentication2Format (Private->FileContext->FHandle)) {\r | |
4575 | IfrNvData->FileEnrollType = AUTHENTICATION_2_FILE_TYPE;\r | |
4576 | } else {\r | |
4577 | IfrNvData->FileEnrollType = PE_IMAGE_FILE_TYPE;\r | |
4578 | }\r | |
ecc722ad | 4579 | \r |
c411b485 | 4580 | Private->FileContext->FileType = IfrNvData->FileEnrollType;\r |
ecc722ad | 4581 | \r |
c411b485 MK |
4582 | //\r |
4583 | // Clean up Certificate Format if File type is not X509 DER\r | |
4584 | //\r | |
4585 | if (IfrNvData->FileEnrollType != X509_CERT_FILE_TYPE) {\r | |
4586 | IfrNvData->CertificateFormat = HASHALG_RAW;\r | |
f71ed839 | 4587 | }\r |
c411b485 MK |
4588 | \r |
4589 | DEBUG ((DEBUG_ERROR, "IfrNvData->FileEnrollType %d\n", Private->FileContext->FileType));\r | |
ecc722ad | 4590 | }\r |
ecc722ad | 4591 | \r |
c411b485 | 4592 | break;\r |
ecc722ad | 4593 | \r |
c411b485 MK |
4594 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBT:\r |
4595 | ChooseFile (NULL, NULL, UpdateDBTFromFile, &File);\r | |
4596 | break;\r | |
ecc722ad | 4597 | \r |
c411b485 MK |
4598 | case KEY_SECURE_BOOT_DELETE_PK:\r |
4599 | if (Value->u8) {\r | |
4600 | CreatePopUp (\r | |
4601 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4602 | &Key,\r | |
4603 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
4604 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
4605 | NULL\r | |
4606 | );\r | |
4607 | if ((Key.UnicodeChar == 'y') || (Key.UnicodeChar == 'Y')) {\r | |
4608 | Status = DeletePlatformKey ();\r | |
4609 | if (EFI_ERROR (Status)) {\r | |
4610 | CreatePopUp (\r | |
4611 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4612 | &Key,\r | |
4613 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
4614 | NULL\r | |
4615 | );\r | |
4616 | }\r | |
4617 | }\r | |
4618 | }\r | |
85974aef | 4619 | \r |
c411b485 | 4620 | break;\r |
85974aef | 4621 | \r |
c411b485 MK |
4622 | case KEY_DELETE_KEK:\r |
4623 | UpdateDeletePage (\r | |
4624 | Private,\r | |
4625 | EFI_KEY_EXCHANGE_KEY_NAME,\r | |
4626 | &gEfiGlobalVariableGuid,\r | |
4627 | LABEL_KEK_DELETE,\r | |
4628 | FORMID_DELETE_KEK_FORM,\r | |
4629 | OPTION_DEL_KEK_QUESTION_ID\r | |
4630 | );\r | |
4631 | break;\r | |
85974aef | 4632 | \r |
c411b485 MK |
4633 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB:\r |
4634 | UpdateDeletePage (\r | |
4635 | Private,\r | |
4636 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4637 | &gEfiImageSecurityDatabaseGuid,\r | |
4638 | LABEL_DB_DELETE,\r | |
4639 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
4640 | OPTION_DEL_DB_QUESTION_ID\r | |
4641 | );\r | |
4642 | break;\r | |
ecc722ad | 4643 | \r |
85974aef | 4644 | //\r |
c411b485 | 4645 | // From DBX option to the level-1 form, display signature list.\r |
85974aef | 4646 | //\r |
c411b485 MK |
4647 | case KEY_VALUE_FROM_DBX_TO_LIST_FORM:\r |
4648 | Private->VariableName = Variable_DBX;\r | |
4649 | LoadSignatureList (\r | |
4650 | Private,\r | |
4651 | LABEL_SIGNATURE_LIST_START,\r | |
4652 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4653 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4654 | );\r | |
4655 | break;\r | |
85974aef | 4656 | \r |
4657 | //\r | |
c411b485 | 4658 | // Delete all signature list and reload.\r |
85974aef | 4659 | //\r |
c411b485 | 4660 | case KEY_SECURE_BOOT_DELETE_ALL_LIST:\r |
ee79ac8d | 4661 | CreatePopUp (\r |
4662 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4663 | &Key,\r | |
c411b485 MK |
4664 | L"Press 'Y' to delete signature list.",\r |
4665 | L"Press other key to cancel and exit.",\r | |
ee79ac8d | 4666 | NULL\r |
4667 | );\r | |
ecc722ad | 4668 | \r |
c411b485 MK |
4669 | if ((Key.UnicodeChar == L'Y') || (Key.UnicodeChar == L'y')) {\r |
4670 | DeleteSignatureEx (Private, Delete_Signature_List_All, IfrNvData->CheckedDataCount);\r | |
4671 | }\r | |
ecc722ad | 4672 | \r |
c411b485 MK |
4673 | LoadSignatureList (\r |
4674 | Private,\r | |
4675 | LABEL_SIGNATURE_LIST_START,\r | |
4676 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4677 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
20333c6d | 4678 | );\r |
4de754e1 | 4679 | break;\r |
20333c6d | 4680 | \r |
c411b485 MK |
4681 | //\r |
4682 | // Delete one signature list and reload.\r | |
4683 | //\r | |
4684 | case KEY_SECURE_BOOT_DELETE_ALL_DATA:\r | |
ee79ac8d | 4685 | CreatePopUp (\r |
4686 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4687 | &Key,\r | |
c411b485 MK |
4688 | L"Press 'Y' to delete signature data.",\r |
4689 | L"Press other key to cancel and exit.",\r | |
ee79ac8d | 4690 | NULL\r |
4691 | );\r | |
ecc722ad | 4692 | \r |
c411b485 MK |
4693 | if ((Key.UnicodeChar == L'Y') || (Key.UnicodeChar == L'y')) {\r |
4694 | DeleteSignatureEx (Private, Delete_Signature_List_One, IfrNvData->CheckedDataCount);\r | |
4695 | }\r | |
4696 | \r | |
4697 | LoadSignatureList (\r | |
4698 | Private,\r | |
4699 | LABEL_SIGNATURE_LIST_START,\r | |
4700 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4701 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
20333c6d | 4702 | );\r |
c411b485 MK |
4703 | break;\r |
4704 | \r | |
5396354b | 4705 | //\r |
c411b485 | 4706 | // Delete checked signature data and reload.\r |
5396354b | 4707 | //\r |
c411b485 | 4708 | case KEY_SECURE_BOOT_DELETE_CHECK_DATA:\r |
762d8ddb DB |
4709 | CreatePopUp (\r |
4710 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4711 | &Key,\r | |
c411b485 MK |
4712 | L"Press 'Y' to delete signature data.",\r |
4713 | L"Press other key to cancel and exit.",\r | |
762d8ddb DB |
4714 | NULL\r |
4715 | );\r | |
c411b485 MK |
4716 | \r |
4717 | if ((Key.UnicodeChar == L'Y') || (Key.UnicodeChar == L'y')) {\r | |
4718 | DeleteSignatureEx (Private, Delete_Signature_Data, IfrNvData->CheckedDataCount);\r | |
4719 | }\r | |
4720 | \r | |
4721 | LoadSignatureList (\r | |
ecc722ad | 4722 | Private,\r |
c411b485 MK |
4723 | LABEL_SIGNATURE_LIST_START,\r |
4724 | SECUREBOOT_DELETE_SIGNATURE_LIST_FORM,\r | |
4725 | OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
ecc722ad | 4726 | );\r |
c411b485 MK |
4727 | break;\r |
4728 | \r | |
4729 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBT:\r | |
4730 | UpdateDeletePage (\r | |
20333c6d QL |
4731 | Private,\r |
4732 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4733 | &gEfiImageSecurityDatabaseGuid,\r | |
4734 | LABEL_DBT_DELETE,\r | |
4735 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
c411b485 | 4736 | OPTION_DEL_DBT_QUESTION_ID\r |
20333c6d | 4737 | );\r |
ecc722ad | 4738 | \r |
c411b485 | 4739 | break;\r |
20333c6d | 4740 | \r |
c411b485 MK |
4741 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r |
4742 | Status = EnrollKeyExchangeKey (Private);\r | |
4743 | if (EFI_ERROR (Status)) {\r | |
4744 | CreatePopUp (\r | |
4745 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4746 | &Key,\r | |
4747 | L"ERROR: Unsupported file type!",\r | |
4748 | L"Only supports DER-encoded X509 certificate",\r | |
4749 | NULL\r | |
4750 | );\r | |
4751 | }\r | |
4752 | \r | |
4753 | break;\r | |
4754 | \r | |
4755 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
4756 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
4757 | if (EFI_ERROR (Status)) {\r | |
4758 | CreatePopUp (\r | |
4759 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4760 | &Key,\r | |
4761 | L"ERROR: Unsupported file type!",\r | |
4762 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
4763 | NULL\r | |
4764 | );\r | |
4765 | }\r | |
4766 | \r | |
4767 | break;\r | |
4768 | \r | |
4769 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
4770 | if (IsX509CertInDbx (Private, EFI_IMAGE_SECURITY_DATABASE1)) {\r | |
4771 | CreatePopUp (\r | |
4772 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4773 | &Key,\r | |
4774 | L"Enrollment failed! Same certificate had already been in the dbx!",\r | |
4775 | NULL\r | |
4776 | );\r | |
4777 | \r | |
4778 | //\r | |
4779 | // Cert already exists in DBX. Close opened file before exit.\r | |
4780 | //\r | |
4781 | CloseEnrolledFile (Private->FileContext);\r | |
4782 | break;\r | |
4783 | }\r | |
4784 | \r | |
4785 | if ((IfrNvData != NULL) && (IfrNvData->CertificateFormat < HASHALG_MAX)) {\r | |
4786 | Status = EnrollX509HashtoSigDB (\r | |
4787 | Private,\r | |
4788 | IfrNvData->CertificateFormat,\r | |
4789 | &IfrNvData->RevocationDate,\r | |
4790 | &IfrNvData->RevocationTime,\r | |
4791 | IfrNvData->AlwaysRevocation\r | |
4792 | );\r | |
4793 | IfrNvData->CertificateFormat = HASHALG_RAW;\r | |
4794 | } else {\r | |
4795 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
4796 | }\r | |
4797 | \r | |
4798 | if (EFI_ERROR (Status)) {\r | |
4799 | CreatePopUp (\r | |
4800 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4801 | &Key,\r | |
4802 | L"ERROR: Unsupported file type!",\r | |
4803 | L"Only supports DER-encoded X509 certificate, AUTH_2 format data & executable EFI image",\r | |
4804 | NULL\r | |
4805 | );\r | |
4806 | }\r | |
4807 | \r | |
4808 | break;\r | |
4809 | \r | |
4810 | case KEY_VALUE_SAVE_AND_EXIT_DBT:\r | |
4811 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE2);\r | |
4812 | if (EFI_ERROR (Status)) {\r | |
4813 | CreatePopUp (\r | |
4814 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4815 | &Key,\r | |
4816 | L"ERROR: Unsupported file type!",\r | |
4817 | L"Only supports DER-encoded X509 certificate.",\r | |
4818 | NULL\r | |
4819 | );\r | |
4820 | }\r | |
4821 | \r | |
4822 | break;\r | |
4823 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r | |
4824 | //\r | |
4825 | // Check the suffix, encode type and the key strength of PK certificate.\r | |
4826 | //\r | |
4827 | Status = CheckX509Certificate (Private->FileContext, &EnrollKeyErrorCode);\r | |
4828 | if (EFI_ERROR (Status)) {\r | |
4829 | if ((EnrollKeyErrorCode != None_Error) && (EnrollKeyErrorCode < Enroll_Error_Max)) {\r | |
4830 | CreatePopUp (\r | |
4831 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4832 | &Key,\r | |
4833 | mX509EnrollPromptTitle[EnrollKeyErrorCode],\r | |
4834 | mX509EnrollPromptString[EnrollKeyErrorCode],\r | |
4835 | NULL\r | |
4836 | );\r | |
4837 | break;\r | |
4838 | }\r | |
4839 | } else {\r | |
4840 | Status = EnrollPlatformKey (Private);\r | |
4841 | }\r | |
4842 | \r | |
4843 | if (EFI_ERROR (Status)) {\r | |
4844 | UnicodeSPrint (\r | |
4845 | PromptString,\r | |
4846 | sizeof (PromptString),\r | |
4847 | L"Error status: %x.",\r | |
4848 | Status\r | |
4849 | );\r | |
4850 | CreatePopUp (\r | |
4851 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
4852 | &Key,\r | |
4853 | L"ERROR: Enrollment failed!",\r | |
4854 | PromptString,\r | |
4855 | NULL\r | |
4856 | );\r | |
4857 | }\r | |
4858 | \r | |
4859 | break;\r | |
4860 | default:\r | |
4861 | if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r | |
4862 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE)))\r | |
4863 | {\r | |
4864 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
4865 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
4866 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE)))\r | |
4867 | {\r | |
4868 | DeleteSignature (\r | |
4869 | Private,\r | |
4870 | EFI_IMAGE_SECURITY_DATABASE,\r | |
4871 | &gEfiImageSecurityDatabaseGuid,\r | |
4872 | LABEL_DB_DELETE,\r | |
4873 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
4874 | OPTION_DEL_DB_QUESTION_ID,\r | |
4875 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
4876 | );\r | |
4877 | } else if ((QuestionId >= OPTION_SIGNATURE_LIST_QUESTION_ID) &&\r | |
4878 | (QuestionId < (OPTION_SIGNATURE_LIST_QUESTION_ID + OPTION_CONFIG_RANGE)))\r | |
4879 | {\r | |
4880 | LoadSignatureData (\r | |
4881 | Private,\r | |
4882 | LABEL_SIGNATURE_DATA_START,\r | |
4883 | SECUREBOOT_DELETE_SIGNATURE_DATA_FORM,\r | |
4884 | OPTION_SIGNATURE_DATA_QUESTION_ID,\r | |
4885 | QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID\r | |
4886 | );\r | |
4887 | Private->ListIndex = QuestionId - OPTION_SIGNATURE_LIST_QUESTION_ID;\r | |
4888 | } else if ((QuestionId >= OPTION_SIGNATURE_DATA_QUESTION_ID) &&\r | |
4889 | (QuestionId < (OPTION_SIGNATURE_DATA_QUESTION_ID + OPTION_CONFIG_RANGE)))\r | |
4890 | {\r | |
4891 | if (Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID]) {\r | |
4892 | IfrNvData->CheckedDataCount--;\r | |
4893 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = FALSE;\r | |
4894 | } else {\r | |
4895 | IfrNvData->CheckedDataCount++;\r | |
4896 | Private->CheckArray[QuestionId - OPTION_SIGNATURE_DATA_QUESTION_ID] = TRUE;\r | |
4897 | }\r | |
4898 | } else if ((QuestionId >= OPTION_DEL_DBT_QUESTION_ID) &&\r | |
4899 | (QuestionId < (OPTION_DEL_DBT_QUESTION_ID + OPTION_CONFIG_RANGE)))\r | |
4900 | {\r | |
4901 | DeleteSignature (\r | |
4902 | Private,\r | |
4903 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
4904 | &gEfiImageSecurityDatabaseGuid,\r | |
4905 | LABEL_DBT_DELETE,\r | |
4906 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBT,\r | |
4907 | OPTION_DEL_DBT_QUESTION_ID,\r | |
4908 | QuestionId - OPTION_DEL_DBT_QUESTION_ID\r | |
4909 | );\r | |
4910 | }\r | |
4911 | \r | |
4912 | break;\r | |
4913 | \r | |
4914 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
4915 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
4916 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
4917 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
4918 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBT:\r | |
4919 | CloseEnrolledFile (Private->FileContext);\r | |
4920 | \r | |
4921 | if (Private->SignatureGUID != NULL) {\r | |
4922 | FreePool (Private->SignatureGUID);\r | |
4923 | Private->SignatureGUID = NULL;\r | |
4924 | }\r | |
4925 | \r | |
4926 | break;\r | |
762d8ddb DB |
4927 | }\r |
4928 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
4929 | switch (QuestionId) {\r | |
c411b485 MK |
4930 | case KEY_SECURE_BOOT_ENABLE:\r |
4931 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
ecc722ad | 4932 | break;\r |
c411b485 MK |
4933 | case KEY_SECURE_BOOT_MODE:\r |
4934 | mIsEnterSecureBootForm = FALSE;\r | |
4935 | break;\r | |
4936 | case KEY_SECURE_BOOT_KEK_GUID:\r | |
4937 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
4938 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
4939 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBT:\r | |
4940 | ASSERT (Private->SignatureGUID != NULL);\r | |
4941 | RStatus = StrToGuid (IfrNvData->SignatureGuid, Private->SignatureGUID);\r | |
4942 | if (RETURN_ERROR (RStatus) || (IfrNvData->SignatureGuid[GUID_STRING_LENGTH] != L'\0')) {\r | |
4943 | Status = EFI_INVALID_PARAMETER;\r | |
4944 | break;\r | |
4945 | }\r | |
ecc722ad | 4946 | \r |
f71ed839 | 4947 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r |
c411b485 MK |
4948 | break;\r |
4949 | case KEY_SECURE_BOOT_DELETE_PK:\r | |
4950 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID **)&SetupMode, NULL);\r | |
4951 | if ((SetupMode == NULL) || ((*SetupMode) == SETUP_MODE)) {\r | |
4952 | IfrNvData->DeletePk = TRUE;\r | |
4953 | IfrNvData->HasPk = FALSE;\r | |
4954 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r | |
4955 | } else {\r | |
4956 | IfrNvData->DeletePk = FALSE;\r | |
4957 | IfrNvData->HasPk = TRUE;\r | |
4958 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
4959 | }\r | |
4960 | \r | |
4961 | if (SetupMode != NULL) {\r | |
4962 | FreePool (SetupMode);\r | |
4963 | }\r | |
4964 | \r | |
4965 | break;\r | |
4966 | case KEY_SECURE_BOOT_RESET_TO_DEFAULT:\r | |
4967 | {\r | |
4968 | Status = gBS->LocateProtocol (&gEfiHiiPopupProtocolGuid, NULL, (VOID **)&HiiPopup);\r | |
4969 | if (EFI_ERROR (Status)) {\r | |
4970 | return Status;\r | |
4971 | }\r | |
4972 | \r | |
4973 | Status = HiiPopup->CreatePopup (\r | |
4974 | HiiPopup,\r | |
4975 | EfiHiiPopupStyleInfo,\r | |
4976 | EfiHiiPopupTypeYesNo,\r | |
4977 | Private->HiiHandle,\r | |
4978 | STRING_TOKEN (STR_RESET_TO_DEFAULTS_POPUP),\r | |
4979 | &UserSelection\r | |
4980 | );\r | |
4981 | if (UserSelection == EfiHiiPopupSelectionYes) {\r | |
4982 | Status = KeyEnrollReset ();\r | |
4983 | }\r | |
4984 | \r | |
4985 | //\r | |
4986 | // Update secure boot strings after key reset\r | |
4987 | //\r | |
4988 | if (Status == EFI_SUCCESS) {\r | |
4989 | Status = UpdateSecureBootString (Private);\r | |
4990 | SecureBootExtractConfigFromVariable (Private, IfrNvData);\r | |
4991 | }\r | |
f71ed839 | 4992 | }\r |
c411b485 MK |
4993 | default:\r |
4994 | break;\r | |
ecc722ad | 4995 | }\r |
a2f2c258 | 4996 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
4997 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
c411b485 | 4998 | GetVariable2 (EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid, (VOID **)&Pk, NULL);\r |
126f3b1d | 4999 | if (Pk == NULL) {\r |
a2f2c258 | 5000 | IfrNvData->HideSecureBoot = TRUE;\r |
5001 | } else {\r | |
126f3b1d | 5002 | FreePool (Pk);\r |
a2f2c258 | 5003 | IfrNvData->HideSecureBoot = FALSE;\r |
5004 | }\r | |
c411b485 | 5005 | \r |
a2f2c258 | 5006 | Value->b = IfrNvData->HideSecureBoot;\r |
5007 | }\r | |
f71ed839 | 5008 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
5009 | //\r | |
5010 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
5011 | //\r | |
c411b485 MK |
5012 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID **)&SecureBootMode, NULL);\r |
5013 | if ((NULL != SecureBootMode) && (*SecureBootMode == CUSTOM_SECURE_BOOT_MODE)) {\r | |
f71ed839 | 5014 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r |
c411b485 | 5015 | SetSecureBootMode (STANDARD_SECURE_BOOT_MODE);\r |
f71ed839 | 5016 | }\r |
c411b485 | 5017 | \r |
f71ed839 | 5018 | if (SecureBootMode != NULL) {\r |
5019 | FreePool (SecureBootMode);\r | |
5020 | }\r | |
85974aef | 5021 | \r |
5022 | if (QuestionId == KEY_SECURE_BOOT_DELETE_ALL_DATA) {\r | |
5023 | //\r | |
5024 | // Free memory when exit from the SECUREBOOT_DELETE_SIGNATURE_DATA_FORM form.\r | |
5025 | //\r | |
5026 | SECUREBOOT_FREE_NON_NULL (Private->CheckArray);\r | |
5027 | IfrNvData->CheckedDataCount = 0;\r | |
5028 | }\r | |
ecc722ad | 5029 | }\r |
20333c6d | 5030 | \r |
96832eef CZ |
5031 | EXIT:\r |
5032 | \r | |
488aab25 | 5033 | if (!EFI_ERROR (Status) && GetBrowserDataResult) {\r |
ecc722ad | 5034 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
c411b485 | 5035 | HiiSetBrowserData (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, BufferSize, (UINT8 *)IfrNvData, NULL);\r |
ecc722ad | 5036 | }\r |
96832eef | 5037 | \r |
ecc722ad | 5038 | FreePool (IfrNvData);\r |
20333c6d | 5039 | \r |
c411b485 MK |
5040 | if (File != NULL) {\r |
5041 | FreePool (File);\r | |
762d8ddb DB |
5042 | File = NULL;\r |
5043 | }\r | |
5044 | \r | |
ecc722ad | 5045 | return EFI_SUCCESS;\r |
beda2356 | 5046 | }\r |
5047 | \r | |
5048 | /**\r | |
5049 | This function publish the SecureBoot configuration Form.\r | |
5050 | \r | |
5051 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
5052 | \r | |
ecc722ad | 5053 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 5054 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
5055 | @retval Others Other errors as indicated.\r | |
5056 | \r | |
5057 | **/\r | |
5058 | EFI_STATUS\r | |
5059 | InstallSecureBootConfigForm (\r | |
5060 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
5061 | )\r | |
5062 | {\r | |
5063 | EFI_STATUS Status;\r | |
5064 | EFI_HII_HANDLE HiiHandle;\r | |
5065 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 5066 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
5067 | \r | |
5068 | DriverHandle = NULL;\r | |
5069 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
c411b485 MK |
5070 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
5071 | &DriverHandle,\r | |
5072 | &gEfiDevicePathProtocolGuid,\r | |
5073 | &mSecureBootHiiVendorDevicePath,\r | |
5074 | &gEfiHiiConfigAccessProtocolGuid,\r | |
5075 | ConfigAccess,\r | |
5076 | NULL\r | |
5077 | );\r | |
beda2356 | 5078 | if (EFI_ERROR (Status)) {\r |
5079 | return Status;\r | |
5080 | }\r | |
5081 | \r | |
5082 | PrivateData->DriverHandle = DriverHandle;\r | |
5083 | \r | |
5084 | //\r | |
5085 | // Publish the HII package list\r | |
5086 | //\r | |
5087 | HiiHandle = HiiAddPackages (\r | |
5088 | &gSecureBootConfigFormSetGuid,\r | |
5089 | DriverHandle,\r | |
5090 | SecureBootConfigDxeStrings,\r | |
5091 | SecureBootConfigBin,\r | |
5092 | NULL\r | |
5093 | );\r | |
5094 | if (HiiHandle == NULL) {\r | |
5095 | gBS->UninstallMultipleProtocolInterfaces (\r | |
5096 | DriverHandle,\r | |
5097 | &gEfiDevicePathProtocolGuid,\r | |
5098 | &mSecureBootHiiVendorDevicePath,\r | |
5099 | &gEfiHiiConfigAccessProtocolGuid,\r | |
5100 | ConfigAccess,\r | |
5101 | NULL\r | |
bc0c99b3 | 5102 | );\r |
beda2356 | 5103 | return EFI_OUT_OF_RESOURCES;\r |
5104 | }\r | |
bc0c99b3 | 5105 | \r |
beda2356 | 5106 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 5107 | \r |
5108 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
20333c6d | 5109 | \r |
762d8ddb | 5110 | if (PrivateData->FileContext == NULL) {\r |
ecc722ad | 5111 | UninstallSecureBootConfigForm (PrivateData);\r |
5112 | return EFI_OUT_OF_RESOURCES;\r | |
5113 | }\r | |
20333c6d | 5114 | \r |
ecc722ad | 5115 | //\r |
5116 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
5117 | //\r | |
5118 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
5119 | if (mStartOpCodeHandle == NULL) {\r | |
5120 | UninstallSecureBootConfigForm (PrivateData);\r | |
5121 | return EFI_OUT_OF_RESOURCES;\r | |
5122 | }\r | |
5123 | \r | |
5124 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
5125 | if (mEndOpCodeHandle == NULL) {\r | |
5126 | UninstallSecureBootConfigForm (PrivateData);\r | |
5127 | return EFI_OUT_OF_RESOURCES;\r | |
5128 | }\r | |
5129 | \r | |
5130 | //\r | |
5131 | // Create Hii Extend Label OpCode as the start opcode\r | |
5132 | //\r | |
c411b485 MK |
5133 | mStartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
5134 | mStartOpCodeHandle,\r | |
5135 | &gEfiIfrTianoGuid,\r | |
5136 | NULL,\r | |
5137 | sizeof (EFI_IFR_GUID_LABEL)\r | |
5138 | );\r | |
ecc722ad | 5139 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r |
5140 | \r | |
5141 | //\r | |
5142 | // Create Hii Extend Label OpCode as the end opcode\r | |
5143 | //\r | |
c411b485 MK |
5144 | mEndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (\r |
5145 | mEndOpCodeHandle,\r | |
5146 | &gEfiIfrTianoGuid,\r | |
5147 | NULL,\r | |
5148 | sizeof (EFI_IFR_GUID_LABEL)\r | |
5149 | );\r | |
ecc722ad | 5150 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r |
5151 | mEndLabel->Number = LABEL_END;\r | |
20333c6d | 5152 | \r |
bc0c99b3 | 5153 | return EFI_SUCCESS;\r |
beda2356 | 5154 | }\r |
5155 | \r | |
5156 | /**\r | |
5157 | This function removes SecureBoot configuration Form.\r | |
5158 | \r | |
5159 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
5160 | \r | |
5161 | **/\r | |
5162 | VOID\r | |
5163 | UninstallSecureBootConfigForm (\r | |
c411b485 | 5164 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r |
beda2356 | 5165 | )\r |
5166 | {\r | |
5167 | //\r | |
5168 | // Uninstall HII package list\r | |
5169 | //\r | |
5170 | if (PrivateData->HiiHandle != NULL) {\r | |
5171 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
5172 | PrivateData->HiiHandle = NULL;\r | |
5173 | }\r | |
5174 | \r | |
5175 | //\r | |
5176 | // Uninstall HII Config Access Protocol\r | |
5177 | //\r | |
5178 | if (PrivateData->DriverHandle != NULL) {\r | |
5179 | gBS->UninstallMultipleProtocolInterfaces (\r | |
5180 | PrivateData->DriverHandle,\r | |
5181 | &gEfiDevicePathProtocolGuid,\r | |
5182 | &mSecureBootHiiVendorDevicePath,\r | |
5183 | &gEfiHiiConfigAccessProtocolGuid,\r | |
5184 | &PrivateData->ConfigAccess,\r | |
5185 | NULL\r | |
5186 | );\r | |
5187 | PrivateData->DriverHandle = NULL;\r | |
5188 | }\r | |
bc0c99b3 | 5189 | \r |
ecc722ad | 5190 | if (PrivateData->SignatureGUID != NULL) {\r |
5191 | FreePool (PrivateData->SignatureGUID);\r | |
5192 | }\r | |
5193 | \r | |
ecc722ad | 5194 | if (PrivateData->FileContext != NULL) {\r |
5195 | FreePool (PrivateData->FileContext);\r | |
5196 | }\r | |
5197 | \r | |
beda2356 | 5198 | FreePool (PrivateData);\r |
ecc722ad | 5199 | \r |
ecc722ad | 5200 | if (mStartOpCodeHandle != NULL) {\r |
5201 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
5202 | }\r | |
5203 | \r | |
5204 | if (mEndOpCodeHandle != NULL) {\r | |
5205 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
5206 | }\r | |
beda2356 | 5207 | }\r |