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beda2356 | 1 | /** @file\r |
2 | HII Config Access protocol implementation of SecureBoot configuration module.\r | |
3 | \r | |
f71ed839 | 4 | Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>\r |
bc0c99b3 | 5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
beda2356 | 8 | http://opensource.org/licenses/bsd-license.php\r |
9 | \r | |
bc0c99b3 | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
beda2356 | 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "SecureBootConfigImpl.h"\r | |
16 | \r | |
ecc722ad | 17 | CHAR16 mSecureBootStorageName[] = L"SECUREBOOT_CONFIGURATION";\r |
beda2356 | 18 | \r |
19 | SECUREBOOT_CONFIG_PRIVATE_DATA mSecureBootConfigPrivateDateTemplate = {\r | |
ecc722ad | 20 | SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE, \r |
beda2356 | 21 | {\r |
22 | SecureBootExtractConfig,\r | |
23 | SecureBootRouteConfig,\r | |
24 | SecureBootCallback\r | |
25 | }\r | |
26 | };\r | |
27 | \r | |
28 | HII_VENDOR_DEVICE_PATH mSecureBootHiiVendorDevicePath = {\r | |
29 | {\r | |
30 | {\r | |
31 | HARDWARE_DEVICE_PATH,\r | |
32 | HW_VENDOR_DP,\r | |
33 | {\r | |
34 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
35 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
36 | }\r | |
37 | },\r | |
38 | SECUREBOOT_CONFIG_FORM_SET_GUID\r | |
39 | },\r | |
40 | {\r | |
41 | END_DEVICE_PATH_TYPE,\r | |
42 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
bc0c99b3 | 43 | {\r |
beda2356 | 44 | (UINT8) (END_DEVICE_PATH_LENGTH),\r |
45 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
46 | }\r | |
47 | }\r | |
48 | };\r | |
49 | \r | |
ecc722ad | 50 | \r |
a365eed4 FS |
51 | BOOLEAN mIsEnterSecureBootForm = FALSE;\r |
52 | \r | |
ecc722ad | 53 | //\r |
54 | // OID ASN.1 Value for Hash Algorithms\r | |
55 | //\r | |
56 | UINT8 mHashOidValue[] = {\r | |
57 | 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, // OBJ_md5\r | |
58 | 0x2B, 0x0E, 0x03, 0x02, 0x1A, // OBJ_sha1\r | |
59 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, // OBJ_sha224\r | |
60 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, // OBJ_sha256\r | |
61 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, // OBJ_sha384\r | |
62 | 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, // OBJ_sha512\r | |
63 | };\r | |
64 | \r | |
65 | HASH_TABLE mHash[] = {\r | |
66 | { L"SHA1", 20, &mHashOidValue[8], 5, Sha1GetContextSize, Sha1Init, Sha1Update, Sha1Final },\r | |
67 | { L"SHA224", 28, &mHashOidValue[13], 9, NULL, NULL, NULL, NULL },\r | |
68 | { L"SHA256", 32, &mHashOidValue[22], 9, Sha256GetContextSize,Sha256Init, Sha256Update, Sha256Final},\r | |
69 | { L"SHA384", 48, &mHashOidValue[31], 9, NULL, NULL, NULL, NULL },\r | |
70 | { L"SHA512", 64, &mHashOidValue[40], 9, NULL, NULL, NULL, NULL }\r | |
71 | };\r | |
72 | \r | |
e4d7370d | 73 | //\r |
74 | // Variable Definitions \r | |
75 | // \r | |
ecc722ad | 76 | UINT32 mPeCoffHeaderOffset = 0;\r |
77 | WIN_CERTIFICATE *mCertificate = NULL;\r | |
78 | IMAGE_TYPE mImageType;\r | |
79 | UINT8 *mImageBase = NULL;\r | |
80 | UINTN mImageSize = 0;\r | |
81 | UINT8 mImageDigest[MAX_DIGEST_SIZE];\r | |
82 | UINTN mImageDigestSize;\r | |
83 | EFI_GUID mCertType;\r | |
84 | EFI_IMAGE_SECURITY_DATA_DIRECTORY *mSecDataDir = NULL;\r | |
85 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION mNtHeader;\r | |
86 | \r | |
e4d7370d | 87 | //\r |
88 | // Possible DER-encoded certificate file suffixes, end with NULL pointer.\r | |
89 | //\r | |
90 | CHAR16* mDerEncodedSuffix[] = {\r | |
91 | L".cer",\r | |
92 | L".der",\r | |
93 | L".crt",\r | |
94 | NULL\r | |
95 | };\r | |
96 | CHAR16* mSupportX509Suffix = L"*.cer/der/crt";\r | |
97 | \r | |
98 | /**\r | |
99 | This code checks if the FileSuffix is one of the possible DER-encoded certificate suffix.\r | |
100 | \r | |
101 | @param[in] FileSuffix The suffix of the input certificate file\r | |
102 | \r | |
103 | @retval TRUE It's a DER-encoded certificate.\r | |
104 | @retval FALSE It's NOT a DER-encoded certificate.\r | |
105 | \r | |
106 | **/\r | |
107 | BOOLEAN\r | |
108 | IsDerEncodeCertificate (\r | |
109 | IN CONST CHAR16 *FileSuffix\r | |
110 | )\r | |
111 | {\r | |
112 | UINTN Index; \r | |
113 | for (Index = 0; mDerEncodedSuffix[Index] != NULL; Index++) {\r | |
114 | if (StrCmp (FileSuffix, mDerEncodedSuffix[Index]) == 0) {\r | |
115 | return TRUE;\r | |
116 | }\r | |
117 | }\r | |
118 | return FALSE;\r | |
119 | }\r | |
ecc722ad | 120 | \r |
121 | /**\r | |
122 | Set Secure Boot option into variable space.\r | |
123 | \r | |
124 | @param[in] VarValue The option of Secure Boot.\r | |
125 | \r | |
126 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
127 | @retval Others Other errors as indicated.\r | |
128 | \r | |
129 | **/\r | |
130 | EFI_STATUS\r | |
131 | SaveSecureBootVariable (\r | |
132 | IN UINT8 VarValue\r | |
133 | )\r | |
134 | {\r | |
135 | EFI_STATUS Status;\r | |
136 | \r | |
137 | Status = gRT->SetVariable (\r | |
138 | EFI_SECURE_BOOT_ENABLE_NAME,\r | |
139 | &gEfiSecureBootEnableDisableGuid,\r | |
140 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
141 | sizeof (UINT8),\r | |
142 | &VarValue\r | |
143 | );\r | |
144 | return Status;\r | |
145 | }\r | |
146 | \r | |
8c1babfd | 147 | /**\r |
148 | Create a time based data payload by concatenating the EFI_VARIABLE_AUTHENTICATION_2\r | |
149 | descriptor with the input data. NO authentication is required in this function.\r | |
150 | \r | |
151 | @param[in, out] DataSize On input, the size of Data buffer in bytes.\r | |
152 | On output, the size of data returned in Data\r | |
153 | buffer in bytes.\r | |
154 | @param[in, out] Data On input, Pointer to data buffer to be wrapped or \r | |
155 | pointer to NULL to wrap an empty payload.\r | |
156 | On output, Pointer to the new payload date buffer allocated from pool,\r | |
157 | it's caller's responsibility to free the memory when finish using it. \r | |
158 | \r | |
159 | @retval EFI_SUCCESS Create time based payload successfully.\r | |
160 | @retval EFI_OUT_OF_RESOURCES There are not enough memory resourses to create time based payload.\r | |
161 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
162 | @retval Others Unexpected error happens.\r | |
163 | \r | |
164 | **/\r | |
165 | EFI_STATUS\r | |
166 | CreateTimeBasedPayload (\r | |
167 | IN OUT UINTN *DataSize,\r | |
168 | IN OUT UINT8 **Data\r | |
169 | )\r | |
170 | {\r | |
171 | EFI_STATUS Status;\r | |
172 | UINT8 *NewData;\r | |
173 | UINT8 *Payload;\r | |
174 | UINTN PayloadSize;\r | |
175 | EFI_VARIABLE_AUTHENTICATION_2 *DescriptorData;\r | |
176 | UINTN DescriptorSize;\r | |
177 | EFI_TIME Time;\r | |
178 | \r | |
179 | if (Data == NULL || DataSize == NULL) {\r | |
180 | return EFI_INVALID_PARAMETER;\r | |
181 | }\r | |
182 | \r | |
183 | //\r | |
184 | // In Setup mode or Custom mode, the variable does not need to be signed but the \r | |
185 | // parameters to the SetVariable() call still need to be prepared as authenticated\r | |
186 | // variable. So we create EFI_VARIABLE_AUTHENTICATED_2 descriptor without certificate\r | |
187 | // data in it.\r | |
188 | //\r | |
189 | Payload = *Data;\r | |
190 | PayloadSize = *DataSize;\r | |
191 | \r | |
192 | DescriptorSize = OFFSET_OF (EFI_VARIABLE_AUTHENTICATION_2, AuthInfo) + OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r | |
193 | NewData = (UINT8*) AllocateZeroPool (DescriptorSize + PayloadSize);\r | |
194 | if (NewData == NULL) {\r | |
195 | return EFI_OUT_OF_RESOURCES;\r | |
196 | }\r | |
197 | \r | |
198 | if ((Payload != NULL) && (PayloadSize != 0)) {\r | |
199 | CopyMem (NewData + DescriptorSize, Payload, PayloadSize);\r | |
200 | }\r | |
201 | \r | |
202 | DescriptorData = (EFI_VARIABLE_AUTHENTICATION_2 *) (NewData);\r | |
203 | \r | |
204 | ZeroMem (&Time, sizeof (EFI_TIME));\r | |
205 | Status = gRT->GetTime (&Time, NULL);\r | |
206 | if (EFI_ERROR (Status)) {\r | |
207 | FreePool(NewData);\r | |
208 | return Status;\r | |
209 | }\r | |
210 | Time.Pad1 = 0;\r | |
211 | Time.Nanosecond = 0;\r | |
212 | Time.TimeZone = 0;\r | |
213 | Time.Daylight = 0;\r | |
214 | Time.Pad2 = 0;\r | |
215 | CopyMem (&DescriptorData->TimeStamp, &Time, sizeof (EFI_TIME));\r | |
216 | \r | |
217 | DescriptorData->AuthInfo.Hdr.dwLength = OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData);\r | |
218 | DescriptorData->AuthInfo.Hdr.wRevision = 0x0200;\r | |
219 | DescriptorData->AuthInfo.Hdr.wCertificateType = WIN_CERT_TYPE_EFI_GUID;\r | |
220 | CopyGuid (&DescriptorData->AuthInfo.CertType, &gEfiCertPkcs7Guid);\r | |
221 | \r | |
222 | if (Payload != NULL) {\r | |
223 | FreePool(Payload);\r | |
224 | }\r | |
225 | \r | |
226 | *DataSize = DescriptorSize + PayloadSize;\r | |
227 | *Data = NewData;\r | |
228 | return EFI_SUCCESS;\r | |
229 | }\r | |
230 | \r | |
ecc722ad | 231 | /**\r |
232 | Internal helper function to delete a Variable given its name and GUID, NO authentication\r | |
233 | required.\r | |
234 | \r | |
235 | @param[in] VariableName Name of the Variable.\r | |
236 | @param[in] VendorGuid GUID of the Variable.\r | |
237 | \r | |
238 | @retval EFI_SUCCESS Variable deleted successfully.\r | |
239 | @retval Others The driver failed to start the device.\r | |
240 | \r | |
241 | **/\r | |
242 | EFI_STATUS\r | |
243 | DeleteVariable (\r | |
244 | IN CHAR16 *VariableName,\r | |
245 | IN EFI_GUID *VendorGuid\r | |
246 | )\r | |
247 | {\r | |
248 | EFI_STATUS Status;\r | |
249 | VOID* Variable;\r | |
8c1babfd | 250 | UINT8 *Data;\r |
251 | UINTN DataSize;\r | |
252 | UINT32 Attr;\r | |
ecc722ad | 253 | \r |
bf4a3dbd | 254 | GetVariable2 (VariableName, VendorGuid, &Variable, NULL);\r |
ecc722ad | 255 | if (Variable == NULL) {\r |
256 | return EFI_SUCCESS;\r | |
257 | }\r | |
f71ed839 | 258 | FreePool (Variable);\r |
ecc722ad | 259 | \r |
8c1babfd | 260 | Data = NULL;\r |
261 | DataSize = 0;\r | |
262 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS\r | |
263 | | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
ecc722ad | 264 | \r |
8c1babfd | 265 | Status = CreateTimeBasedPayload (&DataSize, &Data);\r |
266 | if (EFI_ERROR (Status)) {\r | |
267 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
268 | return Status;\r | |
ecc722ad | 269 | }\r |
270 | \r | |
8c1babfd | 271 | Status = gRT->SetVariable (\r |
272 | VariableName,\r | |
273 | VendorGuid,\r | |
274 | Attr,\r | |
275 | DataSize,\r | |
276 | Data\r | |
277 | );\r | |
278 | if (Data != NULL) {\r | |
279 | FreePool (Data);\r | |
ecc722ad | 280 | }\r |
ecc722ad | 281 | return Status;\r |
282 | }\r | |
283 | \r | |
f71ed839 | 284 | /**\r |
285 | \r | |
286 | Set the platform secure boot mode into "Custom" or "Standard" mode.\r | |
287 | \r | |
288 | @param[in] SecureBootMode New secure boot mode: STANDARD_SECURE_BOOT_MODE or\r | |
289 | CUSTOM_SECURE_BOOT_MODE.\r | |
290 | \r | |
291 | @return EFI_SUCCESS The platform has switched to the special mode successfully.\r | |
292 | @return other Fail to operate the secure boot mode.\r | |
293 | \r | |
294 | **/\r | |
295 | EFI_STATUS\r | |
296 | SetSecureBootMode (\r | |
297 | IN UINT8 SecureBootMode\r | |
298 | )\r | |
299 | {\r | |
300 | return gRT->SetVariable ( \r | |
301 | EFI_CUSTOM_MODE_NAME,\r | |
302 | &gEfiCustomModeEnableGuid,\r | |
303 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
304 | sizeof (UINT8),\r | |
305 | &SecureBootMode\r | |
306 | );\r | |
307 | }\r | |
308 | \r | |
ecc722ad | 309 | /**\r |
310 | Generate the PK signature list from the X509 Certificate storing file (.cer)\r | |
311 | \r | |
312 | @param[in] X509File FileHandle of X509 Certificate storing file.\r | |
313 | @param[out] PkCert Point to the data buffer to store the signature list.\r | |
314 | \r | |
315 | @return EFI_UNSUPPORTED Unsupported Key Length.\r | |
316 | @return EFI_OUT_OF_RESOURCES There are not enough memory resourses to form the signature list.\r | |
317 | \r | |
318 | **/\r | |
319 | EFI_STATUS\r | |
320 | CreatePkX509SignatureList (\r | |
321 | IN EFI_FILE_HANDLE X509File, \r | |
322 | OUT EFI_SIGNATURE_LIST **PkCert \r | |
323 | )\r | |
324 | {\r | |
325 | EFI_STATUS Status; \r | |
326 | UINT8 *X509Data;\r | |
327 | UINTN X509DataSize;\r | |
328 | EFI_SIGNATURE_DATA *PkCertData;\r | |
329 | \r | |
330 | X509Data = NULL;\r | |
331 | PkCertData = NULL;\r | |
332 | X509DataSize = 0; \r | |
333 | \r | |
4adc12bf | 334 | Status = ReadFileContent (X509File, (VOID**) &X509Data, &X509DataSize, 0);\r |
ecc722ad | 335 | if (EFI_ERROR (Status)) {\r |
336 | goto ON_EXIT;\r | |
337 | }\r | |
ba57d4fd | 338 | ASSERT (X509Data != NULL);\r |
ecc722ad | 339 | \r |
340 | //\r | |
341 | // Allocate space for PK certificate list and initialize it.\r | |
342 | // Create PK database entry with SignatureHeaderSize equals 0.\r | |
343 | //\r | |
344 | *PkCert = (EFI_SIGNATURE_LIST*) AllocateZeroPool (\r | |
345 | sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
346 | + X509DataSize\r | |
347 | );\r | |
348 | if (*PkCert == NULL) {\r | |
349 | Status = EFI_OUT_OF_RESOURCES;\r | |
350 | goto ON_EXIT;\r | |
351 | }\r | |
352 | \r | |
353 | (*PkCert)->SignatureListSize = (UINT32) (sizeof(EFI_SIGNATURE_LIST) \r | |
354 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
355 | + X509DataSize);\r | |
356 | (*PkCert)->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
357 | (*PkCert)->SignatureHeaderSize = 0;\r | |
358 | CopyGuid (&(*PkCert)->SignatureType, &gEfiCertX509Guid);\r | |
359 | PkCertData = (EFI_SIGNATURE_DATA*) ((UINTN)(*PkCert) \r | |
360 | + sizeof(EFI_SIGNATURE_LIST)\r | |
361 | + (*PkCert)->SignatureHeaderSize);\r | |
362 | CopyGuid (&PkCertData->SignatureOwner, &gEfiGlobalVariableGuid); \r | |
363 | //\r | |
364 | // Fill the PK database with PKpub data from X509 certificate file.\r | |
365 | // \r | |
366 | CopyMem (&(PkCertData->SignatureData[0]), X509Data, X509DataSize);\r | |
367 | \r | |
368 | ON_EXIT:\r | |
369 | \r | |
370 | if (X509Data != NULL) {\r | |
371 | FreePool (X509Data);\r | |
372 | }\r | |
373 | \r | |
374 | if (EFI_ERROR(Status) && *PkCert != NULL) {\r | |
375 | FreePool (*PkCert);\r | |
376 | *PkCert = NULL;\r | |
377 | }\r | |
378 | \r | |
379 | return Status;\r | |
380 | }\r | |
381 | \r | |
382 | /**\r | |
383 | Enroll new PK into the System without original PK's authentication.\r | |
384 | \r | |
385 | The SignatureOwner GUID will be the same with PK's vendorguid.\r | |
386 | \r | |
387 | @param[in] PrivateData The module's private data.\r | |
388 | \r | |
389 | @retval EFI_SUCCESS New PK enrolled successfully.\r | |
390 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
391 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
392 | \r | |
393 | **/\r | |
394 | EFI_STATUS\r | |
395 | EnrollPlatformKey (\r | |
396 | IN SECUREBOOT_CONFIG_PRIVATE_DATA* Private\r | |
397 | ) \r | |
398 | {\r | |
399 | EFI_STATUS Status;\r | |
400 | UINT32 Attr;\r | |
401 | UINTN DataSize;\r | |
402 | EFI_SIGNATURE_LIST *PkCert;\r | |
403 | UINT16* FilePostFix;\r | |
fd64f84f | 404 | UINTN NameLength;\r |
ecc722ad | 405 | \r |
406 | if (Private->FileContext->FileName == NULL) {\r | |
407 | return EFI_INVALID_PARAMETER;\r | |
408 | }\r | |
409 | \r | |
410 | PkCert = NULL;\r | |
411 | \r | |
f71ed839 | 412 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
413 | if (EFI_ERROR (Status)) {\r | |
414 | return Status;\r | |
415 | }\r | |
416 | \r | |
ecc722ad | 417 | //\r |
e4d7370d | 418 | // Parse the file's postfix. Only support DER encoded X.509 certificate files.\r |
ecc722ad | 419 | //\r |
fd64f84f GCPL |
420 | NameLength = StrLen (Private->FileContext->FileName);\r |
421 | if (NameLength <= 4) {\r | |
422 | return EFI_INVALID_PARAMETER;\r | |
423 | }\r | |
424 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
e4d7370d | 425 | if (!IsDerEncodeCertificate(FilePostFix)) {\r |
426 | DEBUG ((EFI_D_ERROR, "Unsupported file type, only DER encoded certificate (%s) is supported.", mSupportX509Suffix));\r | |
ecc722ad | 427 | return EFI_INVALID_PARAMETER;\r |
428 | }\r | |
429 | DEBUG ((EFI_D_INFO, "FileName= %s\n", Private->FileContext->FileName));\r | |
430 | DEBUG ((EFI_D_INFO, "FilePostFix = %s\n", FilePostFix));\r | |
431 | \r | |
432 | //\r | |
433 | // Prase the selected PK file and generature PK certificate list.\r | |
434 | //\r | |
8c1babfd | 435 | Status = CreatePkX509SignatureList (\r |
436 | Private->FileContext->FHandle, \r | |
437 | &PkCert \r | |
438 | );\r | |
439 | if (EFI_ERROR (Status)) {\r | |
440 | goto ON_EXIT;\r | |
ecc722ad | 441 | }\r |
ba57d4fd | 442 | ASSERT (PkCert != NULL);\r |
ecc722ad | 443 | \r |
444 | //\r | |
445 | // Set Platform Key variable.\r | |
446 | // \r | |
447 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS \r | |
8c1babfd | 448 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
ecc722ad | 449 | DataSize = PkCert->SignatureListSize;\r |
8c1babfd | 450 | Status = CreateTimeBasedPayload (&DataSize, (UINT8**) &PkCert);\r |
451 | if (EFI_ERROR (Status)) {\r | |
452 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
453 | goto ON_EXIT;\r | |
454 | }\r | |
455 | \r | |
ecc722ad | 456 | Status = gRT->SetVariable(\r |
457 | EFI_PLATFORM_KEY_NAME, \r | |
458 | &gEfiGlobalVariableGuid, \r | |
459 | Attr, \r | |
460 | DataSize, \r | |
461 | PkCert\r | |
462 | );\r | |
463 | if (EFI_ERROR (Status)) {\r | |
464 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
465 | DEBUG ((EFI_D_ERROR, "Enroll PK failed with out of resource.\n"));\r | |
466 | }\r | |
467 | goto ON_EXIT;\r | |
468 | }\r | |
469 | \r | |
470 | ON_EXIT:\r | |
471 | \r | |
472 | if (PkCert != NULL) {\r | |
473 | FreePool(PkCert);\r | |
474 | }\r | |
475 | \r | |
476 | if (Private->FileContext->FHandle != NULL) {\r | |
477 | CloseFile (Private->FileContext->FHandle);\r | |
478 | Private->FileContext->FHandle = NULL;\r | |
479 | }\r | |
480 | \r | |
481 | return Status;\r | |
482 | }\r | |
483 | \r | |
484 | /**\r | |
485 | Remove the PK variable.\r | |
486 | \r | |
487 | @retval EFI_SUCCESS Delete PK successfully.\r | |
488 | @retval Others Could not allow to delete PK.\r | |
489 | \r | |
490 | **/\r | |
491 | EFI_STATUS\r | |
492 | DeletePlatformKey (\r | |
493 | VOID\r | |
494 | )\r | |
495 | {\r | |
496 | EFI_STATUS Status;\r | |
497 | \r | |
f71ed839 | 498 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
499 | if (EFI_ERROR (Status)) {\r | |
500 | return Status;\r | |
501 | }\r | |
502 | \r | |
8c1babfd | 503 | Status = DeleteVariable (\r |
504 | EFI_PLATFORM_KEY_NAME,\r | |
505 | &gEfiGlobalVariableGuid\r | |
506 | );\r | |
ecc722ad | 507 | return Status;\r |
508 | }\r | |
509 | \r | |
510 | /**\r | |
511 | Enroll a new KEK item from public key storing file (*.pbk).\r | |
512 | \r | |
513 | @param[in] PrivateData The module's private data.\r | |
514 | \r | |
515 | @retval EFI_SUCCESS New KEK enrolled successfully.\r | |
516 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
517 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
518 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
519 | \r | |
520 | **/\r | |
521 | EFI_STATUS\r | |
522 | EnrollRsa2048ToKek (\r | |
523 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
524 | )\r | |
525 | {\r | |
526 | EFI_STATUS Status;\r | |
527 | UINT32 Attr;\r | |
528 | UINTN DataSize;\r | |
529 | EFI_SIGNATURE_LIST *KekSigList;\r | |
530 | UINTN KeyBlobSize;\r | |
531 | UINT8 *KeyBlob;\r | |
532 | CPL_KEY_INFO *KeyInfo;\r | |
533 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
534 | UINTN KekSigListSize;\r | |
535 | UINT8 *KeyBuffer; \r | |
536 | UINTN KeyLenInBytes;\r | |
537 | \r | |
538 | Attr = 0;\r | |
539 | DataSize = 0;\r | |
540 | KeyBuffer = NULL;\r | |
541 | KeyBlobSize = 0;\r | |
542 | KeyBlob = NULL;\r | |
543 | KeyInfo = NULL;\r | |
544 | KEKSigData = NULL;\r | |
545 | KekSigList = NULL;\r | |
546 | KekSigListSize = 0;\r | |
547 | \r | |
548 | //\r | |
549 | // Form the KeKpub certificate list into EFI_SIGNATURE_LIST type.\r | |
550 | // First, We have to parse out public key data from the pbk key file.\r | |
551 | // \r | |
552 | Status = ReadFileContent (\r | |
553 | Private->FileContext->FHandle,\r | |
4adc12bf | 554 | (VOID**) &KeyBlob,\r |
ecc722ad | 555 | &KeyBlobSize,\r |
556 | 0\r | |
557 | );\r | |
558 | if (EFI_ERROR (Status)) {\r | |
559 | goto ON_EXIT;\r | |
560 | }\r | |
ba57d4fd | 561 | ASSERT (KeyBlob != NULL);\r |
ecc722ad | 562 | KeyInfo = (CPL_KEY_INFO *) KeyBlob;\r |
563 | if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {\r | |
564 | DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));\r | |
565 | Status = EFI_UNSUPPORTED;\r | |
566 | goto ON_EXIT;\r | |
567 | }\r | |
568 | \r | |
569 | //\r | |
570 | // Convert the Public key to fix octet string format represented in RSA PKCS#1.\r | |
571 | // \r | |
572 | KeyLenInBytes = KeyInfo->KeyLengthInBits / 8;\r | |
573 | KeyBuffer = AllocateZeroPool (KeyLenInBytes);\r | |
574 | if (KeyBuffer == NULL) {\r | |
575 | Status = EFI_OUT_OF_RESOURCES;\r | |
576 | goto ON_EXIT;\r | |
577 | }\r | |
578 | Int2OctStr (\r | |
579 | (UINTN*) (KeyBlob + sizeof (CPL_KEY_INFO)), \r | |
580 | KeyLenInBytes / sizeof (UINTN), \r | |
581 | KeyBuffer, \r | |
582 | KeyLenInBytes\r | |
583 | );\r | |
584 | CopyMem(KeyBlob + sizeof(CPL_KEY_INFO), KeyBuffer, KeyLenInBytes);\r | |
585 | \r | |
586 | //\r | |
587 | // Form an new EFI_SIGNATURE_LIST.\r | |
588 | //\r | |
589 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
590 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
591 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
592 | \r | |
593 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
594 | if (KekSigList == NULL) {\r | |
595 | Status = EFI_OUT_OF_RESOURCES;\r | |
596 | goto ON_EXIT;\r | |
597 | }\r | |
598 | \r | |
599 | KekSigList->SignatureListSize = sizeof(EFI_SIGNATURE_LIST)\r | |
600 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
601 | + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
602 | KekSigList->SignatureHeaderSize = 0;\r | |
603 | KekSigList->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + WIN_CERT_UEFI_RSA2048_SIZE;\r | |
604 | CopyGuid (&KekSigList->SignatureType, &gEfiCertRsa2048Guid);\r | |
605 | \r | |
606 | KEKSigData = (EFI_SIGNATURE_DATA*)((UINT8*)KekSigList + sizeof(EFI_SIGNATURE_LIST));\r | |
607 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
608 | CopyMem (\r | |
609 | KEKSigData->SignatureData,\r | |
610 | KeyBlob + sizeof(CPL_KEY_INFO),\r | |
611 | WIN_CERT_UEFI_RSA2048_SIZE\r | |
612 | );\r | |
613 | \r | |
614 | //\r | |
615 | // Check if KEK entry has been already existed. \r | |
616 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the \r | |
617 | // new KEK to original variable.\r | |
618 | // \r | |
8c1babfd | 619 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS \r |
620 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
621 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
622 | if (EFI_ERROR (Status)) {\r | |
623 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
624 | goto ON_EXIT;\r | |
625 | }\r | |
626 | \r | |
ecc722ad | 627 | Status = gRT->GetVariable(\r |
628 | EFI_KEY_EXCHANGE_KEY_NAME, \r | |
629 | &gEfiGlobalVariableGuid, \r | |
630 | NULL, \r | |
631 | &DataSize, \r | |
632 | NULL\r | |
633 | );\r | |
634 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
635 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
636 | } else if (Status != EFI_NOT_FOUND) {\r | |
637 | goto ON_EXIT;\r | |
638 | }\r | |
639 | \r | |
640 | //\r | |
641 | // Done. Now we have formed the correct KEKpub database item, just set it into variable storage,\r | |
642 | // \r | |
643 | Status = gRT->SetVariable(\r | |
644 | EFI_KEY_EXCHANGE_KEY_NAME, \r | |
645 | &gEfiGlobalVariableGuid, \r | |
646 | Attr, \r | |
647 | KekSigListSize, \r | |
648 | KekSigList\r | |
649 | );\r | |
650 | if (EFI_ERROR (Status)) {\r | |
651 | goto ON_EXIT;\r | |
652 | }\r | |
653 | \r | |
654 | ON_EXIT:\r | |
655 | \r | |
656 | CloseFile (Private->FileContext->FHandle);\r | |
657 | Private->FileContext->FHandle = NULL;\r | |
658 | Private->FileContext->FileName = NULL;\r | |
659 | \r | |
660 | if (Private->SignatureGUID != NULL) {\r | |
661 | FreePool (Private->SignatureGUID);\r | |
662 | Private->SignatureGUID = NULL;\r | |
663 | }\r | |
664 | \r | |
665 | if (KeyBlob != NULL) {\r | |
666 | FreePool (KeyBlob);\r | |
667 | }\r | |
668 | if (KeyBuffer != NULL) {\r | |
669 | FreePool (KeyBuffer);\r | |
670 | }\r | |
671 | if (KekSigList != NULL) {\r | |
672 | FreePool (KekSigList);\r | |
673 | }\r | |
674 | \r | |
675 | return Status;\r | |
676 | }\r | |
677 | \r | |
678 | /**\r | |
679 | Enroll a new KEK item from X509 certificate file.\r | |
680 | \r | |
681 | @param[in] PrivateData The module's private data.\r | |
682 | \r | |
683 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
684 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
685 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
686 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
687 | \r | |
688 | **/\r | |
689 | EFI_STATUS\r | |
690 | EnrollX509ToKek (\r | |
691 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
692 | ) \r | |
693 | {\r | |
694 | EFI_STATUS Status;\r | |
695 | UINTN X509DataSize;\r | |
696 | VOID *X509Data;\r | |
697 | EFI_SIGNATURE_DATA *KEKSigData;\r | |
698 | EFI_SIGNATURE_LIST *KekSigList;\r | |
699 | UINTN DataSize;\r | |
700 | UINTN KekSigListSize;\r | |
701 | UINT32 Attr;\r | |
702 | \r | |
703 | X509Data = NULL;\r | |
704 | X509DataSize = 0;\r | |
705 | KekSigList = NULL;\r | |
706 | KekSigListSize = 0;\r | |
707 | DataSize = 0;\r | |
708 | KEKSigData = NULL;\r | |
709 | \r | |
710 | Status = ReadFileContent (\r | |
711 | Private->FileContext->FHandle,\r | |
712 | &X509Data,\r | |
713 | &X509DataSize,\r | |
714 | 0\r | |
715 | );\r | |
716 | if (EFI_ERROR (Status)) {\r | |
717 | goto ON_EXIT;\r | |
718 | }\r | |
ba57d4fd | 719 | ASSERT (X509Data != NULL);\r |
ecc722ad | 720 | \r |
721 | KekSigListSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
722 | KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);\r | |
723 | if (KekSigList == NULL) {\r | |
724 | Status = EFI_OUT_OF_RESOURCES;\r | |
725 | goto ON_EXIT;\r | |
726 | }\r | |
727 | \r | |
728 | //\r | |
729 | // Fill Certificate Database parameters.\r | |
730 | // \r | |
731 | KekSigList->SignatureListSize = (UINT32) KekSigListSize;\r | |
732 | KekSigList->SignatureHeaderSize = 0;\r | |
733 | KekSigList->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
734 | CopyGuid (&KekSigList->SignatureType, &gEfiCertX509Guid);\r | |
735 | \r | |
736 | KEKSigData = (EFI_SIGNATURE_DATA*) ((UINT8*) KekSigList + sizeof (EFI_SIGNATURE_LIST));\r | |
737 | CopyGuid (&KEKSigData->SignatureOwner, Private->SignatureGUID);\r | |
738 | CopyMem (KEKSigData->SignatureData, X509Data, X509DataSize);\r | |
739 | \r | |
740 | //\r | |
741 | // Check if KEK been already existed. \r | |
742 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the \r | |
743 | // new kek to original variable\r | |
744 | // \r | |
745 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS \r | |
8c1babfd | 746 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
747 | Status = CreateTimeBasedPayload (&KekSigListSize, (UINT8**) &KekSigList);\r | |
748 | if (EFI_ERROR (Status)) {\r | |
749 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
750 | goto ON_EXIT;\r | |
751 | }\r | |
752 | \r | |
ecc722ad | 753 | Status = gRT->GetVariable(\r |
754 | EFI_KEY_EXCHANGE_KEY_NAME, \r | |
755 | &gEfiGlobalVariableGuid, \r | |
756 | NULL, \r | |
757 | &DataSize, \r | |
758 | NULL\r | |
759 | );\r | |
760 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
761 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
762 | } else if (Status != EFI_NOT_FOUND) {\r | |
763 | goto ON_EXIT;\r | |
764 | } \r | |
765 | \r | |
766 | Status = gRT->SetVariable(\r | |
767 | EFI_KEY_EXCHANGE_KEY_NAME, \r | |
768 | &gEfiGlobalVariableGuid, \r | |
769 | Attr, \r | |
770 | KekSigListSize,\r | |
771 | KekSigList\r | |
772 | );\r | |
773 | if (EFI_ERROR (Status)) {\r | |
774 | goto ON_EXIT;\r | |
775 | }\r | |
776 | \r | |
777 | ON_EXIT:\r | |
778 | \r | |
779 | CloseFile (Private->FileContext->FHandle);\r | |
780 | Private->FileContext->FileName = NULL;\r | |
781 | Private->FileContext->FHandle = NULL;\r | |
782 | \r | |
783 | if (Private->SignatureGUID != NULL) {\r | |
784 | FreePool (Private->SignatureGUID);\r | |
785 | Private->SignatureGUID = NULL;\r | |
786 | }\r | |
787 | \r | |
788 | if (KekSigList != NULL) {\r | |
789 | FreePool (KekSigList);\r | |
790 | }\r | |
791 | \r | |
792 | return Status;\r | |
793 | }\r | |
794 | \r | |
795 | /**\r | |
796 | Enroll new KEK into the System without PK's authentication.\r | |
797 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
798 | \r | |
799 | @param[in] PrivateData The module's private data.\r | |
800 | \r | |
801 | @retval EFI_SUCCESS New KEK enrolled successful.\r | |
802 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
803 | @retval others Fail to enroll KEK data.\r | |
804 | \r | |
805 | **/\r | |
806 | EFI_STATUS\r | |
807 | EnrollKeyExchangeKey (\r | |
808 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private\r | |
809 | ) \r | |
810 | {\r | |
811 | UINT16* FilePostFix;\r | |
f71ed839 | 812 | EFI_STATUS Status;\r |
fd64f84f | 813 | UINTN NameLength;\r |
ecc722ad | 814 | \r |
815 | if ((Private->FileContext->FileName == NULL) || (Private->SignatureGUID == NULL)) {\r | |
816 | return EFI_INVALID_PARAMETER;\r | |
817 | }\r | |
818 | \r | |
f71ed839 | 819 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
820 | if (EFI_ERROR (Status)) {\r | |
821 | return Status;\r | |
822 | }\r | |
823 | \r | |
ecc722ad | 824 | //\r |
e4d7370d | 825 | // Parse the file's postfix. Supports DER-encoded X509 certificate, \r |
ecc722ad | 826 | // and .pbk as RSA public key file.\r |
827 | //\r | |
fd64f84f GCPL |
828 | NameLength = StrLen (Private->FileContext->FileName);\r |
829 | if (NameLength <= 4) {\r | |
830 | return EFI_INVALID_PARAMETER;\r | |
831 | }\r | |
832 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
e4d7370d | 833 | if (IsDerEncodeCertificate(FilePostFix)) {\r |
ecc722ad | 834 | return EnrollX509ToKek (Private);\r |
835 | } else if (CompareMem (FilePostFix, L".pbk",4) == 0) {\r | |
836 | return EnrollRsa2048ToKek (Private);\r | |
837 | } else {\r | |
838 | return EFI_INVALID_PARAMETER;\r | |
839 | }\r | |
840 | }\r | |
841 | \r | |
842 | /**\r | |
843 | Enroll a new X509 certificate into Signature Database (DB or DBX) without\r | |
844 | KEK's authentication.\r | |
845 | \r | |
846 | @param[in] PrivateData The module's private data.\r | |
847 | @param[in] VariableName Variable name of signature database, must be \r | |
848 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
849 | \r | |
850 | @retval EFI_SUCCESS New X509 is enrolled successfully.\r | |
851 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
852 | \r | |
853 | **/\r | |
854 | EFI_STATUS\r | |
855 | EnrollX509toSigDB (\r | |
856 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
857 | IN CHAR16 *VariableName\r | |
858 | ) \r | |
859 | {\r | |
860 | EFI_STATUS Status;\r | |
861 | UINTN X509DataSize;\r | |
862 | VOID *X509Data;\r | |
863 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
864 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
865 | VOID *Data;\r | |
866 | UINTN DataSize;\r | |
867 | UINTN SigDBSize;\r | |
868 | UINT32 Attr;\r | |
869 | \r | |
870 | X509DataSize = 0;\r | |
871 | SigDBSize = 0;\r | |
872 | DataSize = 0;\r | |
873 | X509Data = NULL;\r | |
874 | SigDBCert = NULL;\r | |
875 | SigDBCertData = NULL;\r | |
876 | Data = NULL;\r | |
877 | \r | |
878 | Status = ReadFileContent (\r | |
879 | Private->FileContext->FHandle,\r | |
880 | &X509Data,\r | |
881 | &X509DataSize,\r | |
882 | 0\r | |
883 | );\r | |
884 | if (EFI_ERROR (Status)) {\r | |
885 | goto ON_EXIT;\r | |
886 | }\r | |
ba57d4fd | 887 | ASSERT (X509Data != NULL);\r |
ecc722ad | 888 | \r |
889 | SigDBSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;\r | |
890 | \r | |
891 | Data = AllocateZeroPool (SigDBSize);\r | |
892 | if (Data == NULL) {\r | |
893 | Status = EFI_OUT_OF_RESOURCES;\r | |
894 | goto ON_EXIT;\r | |
895 | }\r | |
896 | \r | |
897 | //\r | |
898 | // Fill Certificate Database parameters.\r | |
899 | // \r | |
900 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r | |
901 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
902 | SigDBCert->SignatureHeaderSize = 0;\r | |
903 | SigDBCert->SignatureSize = (UINT32) (sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize);\r | |
904 | CopyGuid (&SigDBCert->SignatureType, &gEfiCertX509Guid);\r | |
905 | \r | |
906 | SigDBCertData = (EFI_SIGNATURE_DATA*) ((UINT8* ) SigDBCert + sizeof (EFI_SIGNATURE_LIST));\r | |
907 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
908 | CopyMem ((UINT8* ) (SigDBCertData->SignatureData), X509Data, X509DataSize);\r | |
909 | \r | |
910 | //\r | |
911 | // Check if signature database entry has been already existed. \r | |
912 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the \r | |
913 | // new signature data to original variable\r | |
914 | // \r | |
915 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS \r | |
8c1babfd | 916 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r |
917 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
918 | if (EFI_ERROR (Status)) {\r | |
919 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
920 | goto ON_EXIT;\r | |
921 | }\r | |
ecc722ad | 922 | \r |
923 | Status = gRT->GetVariable(\r | |
924 | VariableName, \r | |
925 | &gEfiImageSecurityDatabaseGuid, \r | |
926 | NULL, \r | |
927 | &DataSize, \r | |
928 | NULL\r | |
929 | );\r | |
930 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
931 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
932 | } else if (Status != EFI_NOT_FOUND) {\r | |
933 | goto ON_EXIT;\r | |
934 | } \r | |
935 | \r | |
936 | Status = gRT->SetVariable(\r | |
937 | VariableName, \r | |
938 | &gEfiImageSecurityDatabaseGuid, \r | |
939 | Attr, \r | |
940 | SigDBSize,\r | |
941 | Data\r | |
942 | );\r | |
943 | if (EFI_ERROR (Status)) {\r | |
944 | goto ON_EXIT;\r | |
945 | }\r | |
946 | \r | |
947 | ON_EXIT:\r | |
948 | \r | |
949 | CloseFile (Private->FileContext->FHandle);\r | |
950 | Private->FileContext->FileName = NULL;\r | |
951 | Private->FileContext->FHandle = NULL;\r | |
952 | \r | |
953 | if (Private->SignatureGUID != NULL) {\r | |
954 | FreePool (Private->SignatureGUID);\r | |
955 | Private->SignatureGUID = NULL;\r | |
956 | }\r | |
957 | \r | |
958 | if (Data != NULL) {\r | |
959 | FreePool (Data);\r | |
960 | }\r | |
961 | \r | |
962 | if (X509Data != NULL) {\r | |
963 | FreePool (X509Data);\r | |
964 | }\r | |
965 | \r | |
966 | return Status;\r | |
967 | }\r | |
968 | \r | |
969 | /**\r | |
970 | Load PE/COFF image information into internal buffer and check its validity.\r | |
971 | \r | |
972 | @retval EFI_SUCCESS Successful\r | |
973 | @retval EFI_UNSUPPORTED Invalid PE/COFF file\r | |
974 | @retval EFI_ABORTED Serious error occurs, like file I/O error etc.\r | |
975 | \r | |
976 | **/\r | |
977 | EFI_STATUS\r | |
978 | LoadPeImage (\r | |
979 | VOID \r | |
980 | ) \r | |
981 | {\r | |
982 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
983 | EFI_IMAGE_NT_HEADERS32 *NtHeader32;\r | |
984 | EFI_IMAGE_NT_HEADERS64 *NtHeader64;\r | |
985 | \r | |
986 | NtHeader32 = NULL;\r | |
987 | NtHeader64 = NULL;\r | |
988 | //\r | |
989 | // Read the Dos header\r | |
990 | //\r | |
991 | DosHdr = (EFI_IMAGE_DOS_HEADER*)(mImageBase);\r | |
992 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE)\r | |
993 | {\r | |
994 | //\r | |
995 | // DOS image header is present, \r | |
996 | // So read the PE header after the DOS image header\r | |
997 | //\r | |
998 | mPeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
999 | }\r | |
1000 | else\r | |
1001 | {\r | |
1002 | mPeCoffHeaderOffset = 0;\r | |
1003 | }\r | |
1004 | \r | |
1005 | //\r | |
1006 | // Read PE header and check the signature validity and machine compatibility\r | |
1007 | //\r | |
1008 | NtHeader32 = (EFI_IMAGE_NT_HEADERS32*) (mImageBase + mPeCoffHeaderOffset);\r | |
1009 | if (NtHeader32->Signature != EFI_IMAGE_NT_SIGNATURE)\r | |
1010 | {\r | |
1011 | return EFI_UNSUPPORTED;\r | |
1012 | }\r | |
1013 | \r | |
1014 | mNtHeader.Pe32 = NtHeader32;\r | |
1015 | \r | |
1016 | //\r | |
1017 | // Check the architecture field of PE header and get the Certificate Data Directory data\r | |
1018 | // Note the size of FileHeader field is constant for both IA32 and X64 arch\r | |
1019 | //\r | |
1020 | if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32) \r | |
1021 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_EBC)) {\r | |
1022 | //\r | |
1023 | // IA-32 Architecture\r | |
1024 | //\r | |
1025 | mImageType = ImageType_IA32;\r | |
1026 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1027 | }\r | |
1028 | else if ((NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64)\r | |
1029 | || (NtHeader32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64)) {\r | |
1030 | //\r | |
1031 | // 64-bits Architecture\r | |
1032 | //\r | |
1033 | mImageType = ImageType_X64;\r | |
1034 | NtHeader64 = (EFI_IMAGE_NT_HEADERS64 *) (mImageBase + mPeCoffHeaderOffset);\r | |
1035 | mSecDataDir = (EFI_IMAGE_SECURITY_DATA_DIRECTORY*) &(NtHeader64->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]);\r | |
1036 | } else {\r | |
1037 | return EFI_UNSUPPORTED;\r | |
1038 | }\r | |
1039 | \r | |
1040 | return EFI_SUCCESS;\r | |
1041 | }\r | |
1042 | \r | |
1043 | /**\r | |
1044 | Calculate hash of Pe/Coff image based on the authenticode image hashing in\r | |
1045 | PE/COFF Specification 8.0 Appendix A\r | |
1046 | \r | |
1047 | @param[in] HashAlg Hash algorithm type.\r | |
1048 | \r | |
1049 | @retval TRUE Successfully hash image.\r | |
1050 | @retval FALSE Fail in hash image.\r | |
1051 | \r | |
1052 | **/\r | |
1053 | BOOLEAN \r | |
1054 | HashPeImage (\r | |
1055 | IN UINT32 HashAlg\r | |
1056 | )\r | |
1057 | {\r | |
1058 | BOOLEAN Status;\r | |
1059 | UINT16 Magic;\r | |
1060 | EFI_IMAGE_SECTION_HEADER *Section;\r | |
1061 | VOID *HashCtx;\r | |
1062 | UINTN CtxSize;\r | |
1063 | UINT8 *HashBase;\r | |
1064 | UINTN HashSize;\r | |
1065 | UINTN SumOfBytesHashed;\r | |
1066 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
1067 | UINTN Index;\r | |
1068 | UINTN Pos;\r | |
1069 | \r | |
1070 | HashCtx = NULL;\r | |
1071 | SectionHeader = NULL;\r | |
1072 | Status = FALSE;\r | |
1073 | \r | |
1074 | if ((HashAlg != HASHALG_SHA1) && (HashAlg != HASHALG_SHA256)) {\r | |
1075 | return FALSE;\r | |
1076 | }\r | |
1077 | \r | |
1078 | //\r | |
1079 | // Initialize context of hash.\r | |
1080 | //\r | |
1081 | ZeroMem (mImageDigest, MAX_DIGEST_SIZE);\r | |
1082 | \r | |
1083 | if (HashAlg == HASHALG_SHA1) {\r | |
1084 | mImageDigestSize = SHA1_DIGEST_SIZE;\r | |
1085 | mCertType = gEfiCertSha1Guid; \r | |
1086 | } else if (HashAlg == HASHALG_SHA256) {\r | |
1087 | mImageDigestSize = SHA256_DIGEST_SIZE;\r | |
1088 | mCertType = gEfiCertSha256Guid;\r | |
1089 | }\r | |
1090 | \r | |
1091 | CtxSize = mHash[HashAlg].GetContextSize();\r | |
1092 | \r | |
1093 | HashCtx = AllocatePool (CtxSize);\r | |
1094 | ASSERT (HashCtx != NULL);\r | |
1095 | \r | |
1096 | // 1. Load the image header into memory.\r | |
1097 | \r | |
1098 | // 2. Initialize a SHA hash context.\r | |
1099 | Status = mHash[HashAlg].HashInit(HashCtx);\r | |
1100 | if (!Status) {\r | |
1101 | goto Done;\r | |
1102 | }\r | |
1103 | //\r | |
1104 | // Measuring PE/COFF Image Header;\r | |
1105 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
1106 | //\r | |
de2447dd | 1107 | if (mNtHeader.Pe32->FileHeader.Machine == IMAGE_FILE_MACHINE_IA64 && mNtHeader.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r |
1108 | //\r | |
1109 | // NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value \r | |
1110 | // in the PE/COFF Header. If the MachineType is Itanium(IA64) and the \r | |
1111 | // Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC\r | |
1112 | // then override the magic value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC\r | |
1113 | //\r | |
1114 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
1115 | } else {\r | |
1116 | //\r | |
1117 | // Get the magic value from the PE/COFF Optional Header\r | |
1118 | //\r | |
1119 | Magic = mNtHeader.Pe32->OptionalHeader.Magic;\r | |
1120 | }\r | |
1121 | \r | |
ecc722ad | 1122 | //\r |
1123 | // 3. Calculate the distance from the base of the image header to the image checksum address.\r | |
1124 | // 4. Hash the image header from its base to beginning of the image checksum.\r | |
1125 | //\r | |
1126 | HashBase = mImageBase;\r | |
1127 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1128 | //\r | |
1129 | // Use PE32 offset.\r | |
1130 | //\r | |
1131 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.CheckSum) - HashBase);\r | |
1132 | } else {\r | |
1133 | //\r | |
1134 | // Use PE32+ offset.\r | |
1135 | //\r | |
1136 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.CheckSum) - HashBase);\r | |
1137 | }\r | |
1138 | \r | |
1139 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1140 | if (!Status) {\r | |
1141 | goto Done;\r | |
1142 | }\r | |
1143 | //\r | |
1144 | // 5. Skip over the image checksum (it occupies a single ULONG).\r | |
1145 | // 6. Get the address of the beginning of the Cert Directory.\r | |
1146 | // 7. Hash everything from the end of the checksum to the start of the Cert Directory.\r | |
1147 | //\r | |
1148 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1149 | //\r | |
1150 | // Use PE32 offset.\r | |
1151 | //\r | |
1152 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.CheckSum + sizeof (UINT32);\r | |
1153 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - HashBase);\r | |
1154 | } else {\r | |
1155 | //\r | |
1156 | // Use PE32+ offset.\r | |
1157 | // \r | |
1158 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.CheckSum + sizeof (UINT32);\r | |
1159 | HashSize = (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY]) - HashBase);\r | |
1160 | }\r | |
1161 | \r | |
1162 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1163 | if (!Status) {\r | |
1164 | goto Done;\r | |
1165 | }\r | |
1166 | //\r | |
1167 | // 8. Skip over the Cert Directory. (It is sizeof(IMAGE_DATA_DIRECTORY) bytes.)\r | |
1168 | // 9. Hash everything from the end of the Cert Directory to the end of image header.\r | |
1169 | //\r | |
1170 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1171 | //\r | |
1172 | // Use PE32 offset\r | |
1173 | //\r | |
1174 | HashBase = (UINT8 *) &mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
1175 | HashSize = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders - (UINTN) ((UINT8 *) (&mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - mImageBase);\r | |
1176 | } else {\r | |
1177 | //\r | |
1178 | // Use PE32+ offset.\r | |
1179 | //\r | |
1180 | HashBase = (UINT8 *) &mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1];\r | |
1181 | HashSize = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders - (UINTN) ((UINT8 *) (&mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY + 1]) - mImageBase);\r | |
1182 | }\r | |
1183 | \r | |
1184 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1185 | if (!Status) {\r | |
1186 | goto Done;\r | |
1187 | }\r | |
1188 | //\r | |
1189 | // 10. Set the SUM_OF_BYTES_HASHED to the size of the header.\r | |
1190 | //\r | |
1191 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1192 | //\r | |
1193 | // Use PE32 offset.\r | |
1194 | //\r | |
1195 | SumOfBytesHashed = mNtHeader.Pe32->OptionalHeader.SizeOfHeaders;\r | |
1196 | } else {\r | |
1197 | //\r | |
1198 | // Use PE32+ offset\r | |
1199 | //\r | |
1200 | SumOfBytesHashed = mNtHeader.Pe32Plus->OptionalHeader.SizeOfHeaders;\r | |
1201 | }\r | |
1202 | \r | |
1203 | //\r | |
1204 | // 11. Build a temporary table of pointers to all the IMAGE_SECTION_HEADER\r | |
1205 | // structures in the image. The 'NumberOfSections' field of the image\r | |
1206 | // header indicates how big the table should be. Do not include any\r | |
1207 | // IMAGE_SECTION_HEADERs in the table whose 'SizeOfRawData' field is zero.\r | |
1208 | //\r | |
1209 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *) AllocateZeroPool (sizeof (EFI_IMAGE_SECTION_HEADER) * mNtHeader.Pe32->FileHeader.NumberOfSections);\r | |
1210 | ASSERT (SectionHeader != NULL);\r | |
1211 | //\r | |
1212 | // 12. Using the 'PointerToRawData' in the referenced section headers as\r | |
1213 | // a key, arrange the elements in the table in ascending order. In other\r | |
1214 | // words, sort the section headers according to the disk-file offset of\r | |
1215 | // the section.\r | |
1216 | //\r | |
1217 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1218 | mImageBase +\r | |
1219 | mPeCoffHeaderOffset +\r | |
1220 | sizeof (UINT32) +\r | |
1221 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
1222 | mNtHeader.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1223 | );\r | |
1224 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1225 | Pos = Index;\r | |
1226 | while ((Pos > 0) && (Section->PointerToRawData < SectionHeader[Pos - 1].PointerToRawData)) {\r | |
1227 | CopyMem (&SectionHeader[Pos], &SectionHeader[Pos - 1], sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1228 | Pos--;\r | |
1229 | }\r | |
1230 | CopyMem (&SectionHeader[Pos], Section, sizeof (EFI_IMAGE_SECTION_HEADER));\r | |
1231 | Section += 1;\r | |
1232 | }\r | |
1233 | \r | |
1234 | //\r | |
1235 | // 13. Walk through the sorted table, bring the corresponding section\r | |
1236 | // into memory, and hash the entire section (using the 'SizeOfRawData'\r | |
1237 | // field in the section header to determine the amount of data to hash).\r | |
1238 | // 14. Add the section's 'SizeOfRawData' to SUM_OF_BYTES_HASHED .\r | |
1239 | // 15. Repeat steps 13 and 14 for all the sections in the sorted table.\r | |
1240 | //\r | |
1241 | for (Index = 0; Index < mNtHeader.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1242 | Section = &SectionHeader[Index];\r | |
1243 | if (Section->SizeOfRawData == 0) {\r | |
1244 | continue;\r | |
1245 | }\r | |
1246 | HashBase = mImageBase + Section->PointerToRawData;\r | |
1247 | HashSize = (UINTN) Section->SizeOfRawData;\r | |
1248 | \r | |
1249 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1250 | if (!Status) {\r | |
1251 | goto Done;\r | |
1252 | }\r | |
1253 | \r | |
1254 | SumOfBytesHashed += HashSize;\r | |
1255 | }\r | |
1256 | \r | |
1257 | //\r | |
1258 | // 16. If the file size is greater than SUM_OF_BYTES_HASHED, there is extra\r | |
1259 | // data in the file that needs to be added to the hash. This data begins\r | |
1260 | // at file offset SUM_OF_BYTES_HASHED and its length is:\r | |
1261 | // FileSize - (CertDirectory->Size)\r | |
1262 | //\r | |
1263 | if (mImageSize > SumOfBytesHashed) {\r | |
1264 | HashBase = mImageBase + SumOfBytesHashed;\r | |
1265 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1266 | //\r | |
1267 | // Use PE32 offset.\r | |
1268 | //\r | |
1269 | HashSize = (UINTN)(\r | |
1270 | mImageSize -\r | |
1271 | mNtHeader.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
1272 | SumOfBytesHashed);\r | |
1273 | } else {\r | |
1274 | //\r | |
1275 | // Use PE32+ offset.\r | |
1276 | //\r | |
1277 | HashSize = (UINTN)(\r | |
1278 | mImageSize -\r | |
1279 | mNtHeader.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_SECURITY].Size -\r | |
1280 | SumOfBytesHashed); \r | |
1281 | }\r | |
1282 | \r | |
1283 | Status = mHash[HashAlg].HashUpdate(HashCtx, HashBase, HashSize);\r | |
1284 | if (!Status) {\r | |
1285 | goto Done;\r | |
1286 | }\r | |
1287 | }\r | |
1288 | \r | |
1289 | Status = mHash[HashAlg].HashFinal(HashCtx, mImageDigest);\r | |
1290 | \r | |
1291 | Done:\r | |
1292 | if (HashCtx != NULL) {\r | |
1293 | FreePool (HashCtx);\r | |
1294 | }\r | |
1295 | if (SectionHeader != NULL) {\r | |
1296 | FreePool (SectionHeader);\r | |
1297 | }\r | |
1298 | return Status;\r | |
1299 | }\r | |
1300 | \r | |
1301 | /**\r | |
1302 | Recognize the Hash algorithm in PE/COFF Authenticode and caculate hash of \r | |
1303 | Pe/Coff image based on the authenticated image hashing in PE/COFF Specification \r | |
1304 | 8.0 Appendix A\r | |
1305 | \r | |
1306 | @retval EFI_UNSUPPORTED Hash algorithm is not supported.\r | |
1307 | @retval EFI_SUCCESS Hash successfully.\r | |
1308 | \r | |
1309 | **/\r | |
1310 | EFI_STATUS \r | |
1311 | HashPeImageByType (\r | |
1312 | VOID\r | |
1313 | )\r | |
1314 | {\r | |
1315 | UINT8 Index;\r | |
1316 | WIN_CERTIFICATE_EFI_PKCS *PkcsCertData;\r | |
1317 | \r | |
1318 | PkcsCertData = (WIN_CERTIFICATE_EFI_PKCS *) (mImageBase + mSecDataDir->Offset);\r | |
1319 | \r | |
1320 | for (Index = 0; Index < HASHALG_MAX; Index++) { \r | |
1321 | //\r | |
1322 | // Check the Hash algorithm in PE/COFF Authenticode.\r | |
1323 | // According to PKCS#7 Definition: \r | |
1324 | // SignedData ::= SEQUENCE {\r | |
1325 | // version Version,\r | |
1326 | // digestAlgorithms DigestAlgorithmIdentifiers,\r | |
1327 | // contentInfo ContentInfo,\r | |
1328 | // .... }\r | |
1329 | // The DigestAlgorithmIdentifiers can be used to determine the hash algorithm in PE/COFF hashing\r | |
1330 | // This field has the fixed offset (+32) in final Authenticode ASN.1 data.\r | |
1331 | // Fixed offset (+32) is calculated based on two bytes of length encoding.\r | |
1332 | //\r | |
1333 | if ((*(PkcsCertData->CertData + 1) & TWO_BYTE_ENCODE) != TWO_BYTE_ENCODE) {\r | |
1334 | //\r | |
1335 | // Only support two bytes of Long Form of Length Encoding.\r | |
1336 | //\r | |
1337 | continue;\r | |
1338 | }\r | |
1339 | \r | |
1340 | // \r | |
1341 | if (CompareMem (PkcsCertData->CertData + 32, mHash[Index].OidValue, mHash[Index].OidLength) == 0) {\r | |
1342 | break;\r | |
1343 | }\r | |
1344 | }\r | |
1345 | \r | |
1346 | if (Index == HASHALG_MAX) {\r | |
1347 | return EFI_UNSUPPORTED;\r | |
1348 | }\r | |
1349 | \r | |
1350 | //\r | |
1351 | // HASH PE Image based on Hash algorithm in PE/COFF Authenticode.\r | |
1352 | //\r | |
1353 | if (!HashPeImage(Index)) {\r | |
1354 | return EFI_UNSUPPORTED;\r | |
1355 | }\r | |
1356 | \r | |
1357 | return EFI_SUCCESS;\r | |
1358 | }\r | |
1359 | \r | |
1360 | /**\r | |
1361 | Enroll a new executable's signature into Signature Database. \r | |
1362 | \r | |
1363 | @param[in] PrivateData The module's private data.\r | |
1364 | @param[in] VariableName Variable name of signature database, must be \r | |
1365 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
1366 | \r | |
1367 | @retval EFI_SUCCESS New signature is enrolled successfully.\r | |
1368 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1369 | @retval EFI_UNSUPPORTED Unsupported command.\r | |
1370 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1371 | \r | |
1372 | **/\r | |
1373 | EFI_STATUS\r | |
1374 | EnrollImageSignatureToSigDB (\r | |
1375 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
1376 | IN CHAR16 *VariableName\r | |
1377 | )\r | |
1378 | {\r | |
1379 | EFI_STATUS Status;\r | |
1380 | EFI_SIGNATURE_LIST *SigDBCert;\r | |
1381 | EFI_SIGNATURE_DATA *SigDBCertData;\r | |
1382 | VOID *Data;\r | |
1383 | UINTN DataSize;\r | |
1384 | UINTN SigDBSize;\r | |
1385 | UINT32 Attr;\r | |
1386 | WIN_CERTIFICATE_UEFI_GUID *GuidCertData;\r | |
1387 | \r | |
1388 | Data = NULL;\r | |
1389 | GuidCertData = NULL;\r | |
ecc722ad | 1390 | \r |
1391 | //\r | |
1392 | // Form the SigDB certificate list.\r | |
1393 | // Format the data item into EFI_SIGNATURE_LIST type.\r | |
1394 | //\r | |
1395 | // We need to parse executable's signature data from specified signed executable file.\r | |
1396 | // In current implementation, we simply trust the pass-in signed executable file.\r | |
1397 | // In reality, it's OS's responsibility to verify the signed executable file.\r | |
1398 | //\r | |
1399 | \r | |
1400 | //\r | |
1401 | // Read the whole file content\r | |
1402 | //\r | |
1403 | Status = ReadFileContent(\r | |
1404 | Private->FileContext->FHandle,\r | |
1405 | (VOID **) &mImageBase, \r | |
1406 | &mImageSize, \r | |
1407 | 0\r | |
1408 | );\r | |
1409 | if (EFI_ERROR (Status)) {\r | |
1410 | goto ON_EXIT;\r | |
1411 | } \r | |
ba57d4fd | 1412 | ASSERT (mImageBase != NULL);\r |
ecc722ad | 1413 | \r |
1414 | Status = LoadPeImage ();\r | |
1415 | if (EFI_ERROR (Status)) {\r | |
1416 | goto ON_EXIT;\r | |
1417 | }\r | |
1418 | \r | |
1419 | if (mSecDataDir->SizeOfCert == 0) {\r | |
1420 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
1421 | Status = EFI_SECURITY_VIOLATION;\r | |
1422 | goto ON_EXIT;\r | |
1423 | }\r | |
1424 | } else {\r | |
1425 | \r | |
1426 | //\r | |
1427 | // Read the certificate data\r | |
1428 | //\r | |
1429 | mCertificate = (WIN_CERTIFICATE *)(mImageBase + mSecDataDir->Offset);\r | |
1430 | \r | |
1431 | if (mCertificate->wCertificateType == WIN_CERT_TYPE_EFI_GUID) {\r | |
1432 | GuidCertData = (WIN_CERTIFICATE_UEFI_GUID*) mCertificate;\r | |
1433 | if (CompareMem (&GuidCertData->CertType, &gEfiCertTypeRsa2048Sha256Guid, sizeof(EFI_GUID)) != 0) {\r | |
1434 | Status = EFI_ABORTED;\r | |
1435 | goto ON_EXIT;\r | |
1436 | }\r | |
1437 | \r | |
1438 | if (!HashPeImage (HASHALG_SHA256)) {\r | |
1439 | Status = EFI_ABORTED;\r | |
1440 | goto ON_EXIT;;\r | |
1441 | }\r | |
1442 | \r | |
1443 | } else if (mCertificate->wCertificateType == WIN_CERT_TYPE_PKCS_SIGNED_DATA) {\r | |
1444 | \r | |
1445 | Status = HashPeImageByType ();\r | |
1446 | if (EFI_ERROR (Status)) {\r | |
1447 | goto ON_EXIT;;\r | |
1448 | }\r | |
1449 | } else {\r | |
1450 | Status = EFI_ABORTED;\r | |
1451 | goto ON_EXIT;\r | |
1452 | }\r | |
1453 | }\r | |
1454 | \r | |
1455 | //\r | |
1456 | // Create a new SigDB entry.\r | |
1457 | //\r | |
1458 | SigDBSize = sizeof(EFI_SIGNATURE_LIST) \r | |
1459 | + sizeof(EFI_SIGNATURE_DATA) - 1\r | |
1460 | + (UINT32) mImageDigestSize;\r | |
1461 | \r | |
1462 | Data = (UINT8*) AllocateZeroPool (SigDBSize);\r | |
1463 | if (Data == NULL) {\r | |
1464 | Status = EFI_OUT_OF_RESOURCES;\r | |
1465 | goto ON_EXIT;\r | |
1466 | }\r | |
1467 | \r | |
1468 | //\r | |
1469 | // Adjust the Certificate Database parameters.\r | |
1470 | // \r | |
1471 | SigDBCert = (EFI_SIGNATURE_LIST*) Data;\r | |
1472 | SigDBCert->SignatureListSize = (UINT32) SigDBSize;\r | |
1473 | SigDBCert->SignatureHeaderSize = 0;\r | |
1474 | SigDBCert->SignatureSize = sizeof(EFI_SIGNATURE_DATA) - 1 + (UINT32) mImageDigestSize;\r | |
1475 | CopyGuid (&SigDBCert->SignatureType, &mCertType);\r | |
1476 | \r | |
1477 | SigDBCertData = (EFI_SIGNATURE_DATA*)((UINT8*)SigDBCert + sizeof(EFI_SIGNATURE_LIST));\r | |
1478 | CopyGuid (&SigDBCertData->SignatureOwner, Private->SignatureGUID);\r | |
1479 | CopyMem (SigDBCertData->SignatureData, mImageDigest, mImageDigestSize);\r | |
1480 | \r | |
8c1babfd | 1481 | Attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS \r |
1482 | | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;\r | |
1483 | Status = CreateTimeBasedPayload (&SigDBSize, (UINT8**) &Data);\r | |
1484 | if (EFI_ERROR (Status)) {\r | |
1485 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
1486 | goto ON_EXIT;\r | |
1487 | }\r | |
1488 | \r | |
ecc722ad | 1489 | //\r |
1490 | // Check if SigDB variable has been already existed. \r | |
1491 | // If true, use EFI_VARIABLE_APPEND_WRITE attribute to append the \r | |
1492 | // new signature data to original variable\r | |
1493 | // \r | |
1494 | DataSize = 0;\r | |
1495 | Status = gRT->GetVariable(\r | |
1496 | VariableName, \r | |
1497 | &gEfiImageSecurityDatabaseGuid, \r | |
1498 | NULL, \r | |
1499 | &DataSize, \r | |
1500 | NULL\r | |
1501 | );\r | |
1502 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1503 | Attr |= EFI_VARIABLE_APPEND_WRITE;\r | |
1504 | } else if (Status != EFI_NOT_FOUND) {\r | |
1505 | goto ON_EXIT;\r | |
1506 | } \r | |
1507 | \r | |
1508 | //\r | |
1509 | // Enroll the variable.\r | |
1510 | //\r | |
1511 | Status = gRT->SetVariable(\r | |
1512 | VariableName, \r | |
1513 | &gEfiImageSecurityDatabaseGuid, \r | |
1514 | Attr, \r | |
1515 | SigDBSize, \r | |
1516 | Data\r | |
1517 | );\r | |
1518 | if (EFI_ERROR (Status)) {\r | |
1519 | goto ON_EXIT;\r | |
1520 | }\r | |
1521 | \r | |
1522 | ON_EXIT:\r | |
1523 | \r | |
1524 | CloseFile (Private->FileContext->FHandle);\r | |
1525 | Private->FileContext->FHandle = NULL;\r | |
1526 | Private->FileContext->FileName = NULL;\r | |
1527 | \r | |
1528 | if (Private->SignatureGUID != NULL) {\r | |
1529 | FreePool (Private->SignatureGUID);\r | |
1530 | Private->SignatureGUID = NULL;\r | |
1531 | }\r | |
1532 | \r | |
1533 | if (Data != NULL) {\r | |
1534 | FreePool (Data);\r | |
1535 | }\r | |
1536 | \r | |
1537 | if (mImageBase != NULL) {\r | |
1538 | FreePool (mImageBase);\r | |
1539 | mImageBase = NULL;\r | |
1540 | }\r | |
1541 | \r | |
1542 | return Status;\r | |
1543 | }\r | |
1544 | \r | |
1545 | /**\r | |
1546 | Enroll signature into DB/DBX without KEK's authentication.\r | |
1547 | The SignatureOwner GUID will be Private->SignatureGUID.\r | |
1548 | \r | |
1549 | @param[in] PrivateData The module's private data.\r | |
1550 | @param[in] VariableName Variable name of signature database, must be \r | |
1551 | EFI_IMAGE_SECURITY_DATABASE or EFI_IMAGE_SECURITY_DATABASE1.\r | |
1552 | \r | |
1553 | @retval EFI_SUCCESS New signature enrolled successfully.\r | |
1554 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
1555 | @retval others Fail to enroll signature data.\r | |
1556 | \r | |
1557 | **/\r | |
1558 | EFI_STATUS\r | |
1559 | EnrollSignatureDatabase (\r | |
1560 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *Private,\r | |
1561 | IN CHAR16 *VariableName\r | |
1562 | ) \r | |
1563 | {\r | |
1564 | UINT16* FilePostFix;\r | |
f71ed839 | 1565 | EFI_STATUS Status;\r |
fd64f84f | 1566 | UINTN NameLength;\r |
ecc722ad | 1567 | \r |
1568 | if ((Private->FileContext->FileName == NULL) || (Private->FileContext->FHandle == NULL) || (Private->SignatureGUID == NULL)) {\r | |
1569 | return EFI_INVALID_PARAMETER;\r | |
1570 | }\r | |
1571 | \r | |
f71ed839 | 1572 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
1573 | if (EFI_ERROR (Status)) {\r | |
1574 | return Status;\r | |
1575 | }\r | |
1576 | \r | |
ecc722ad | 1577 | //\r |
1578 | // Parse the file's postfix. \r | |
1579 | //\r | |
fd64f84f GCPL |
1580 | NameLength = StrLen (Private->FileContext->FileName);\r |
1581 | if (NameLength <= 4) {\r | |
1582 | return EFI_INVALID_PARAMETER;\r | |
1583 | }\r | |
1584 | FilePostFix = Private->FileContext->FileName + NameLength - 4;\r | |
e4d7370d | 1585 | if (IsDerEncodeCertificate(FilePostFix)) {\r |
ecc722ad | 1586 | //\r |
e4d7370d | 1587 | // Supports DER-encoded X509 certificate.\r |
ecc722ad | 1588 | //\r |
1589 | return EnrollX509toSigDB (Private, VariableName);\r | |
1590 | }\r | |
1591 | \r | |
1592 | return EnrollImageSignatureToSigDB (Private, VariableName);\r | |
1593 | }\r | |
1594 | \r | |
1595 | /**\r | |
1596 | List all signatures in specified signature database (e.g. KEK/DB/DBX)\r | |
1597 | by GUID in the page for user to select and delete as needed.\r | |
1598 | \r | |
1599 | @param[in] PrivateData Module's private data.\r | |
1600 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
1601 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
1602 | @param[in] LabelNumber Label number to insert opcodes.\r | |
1603 | @param[in] FormId Form ID of current page.\r | |
1604 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
1605 | \r | |
1606 | @retval EFI_SUCCESS Success to update the signature list page\r | |
1607 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
1608 | \r | |
1609 | **/\r | |
1610 | EFI_STATUS\r | |
1611 | UpdateDeletePage (\r | |
1612 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
1613 | IN CHAR16 *VariableName,\r | |
1614 | IN EFI_GUID *VendorGuid,\r | |
1615 | IN UINT16 LabelNumber,\r | |
1616 | IN EFI_FORM_ID FormId,\r | |
1617 | IN EFI_QUESTION_ID QuestionIdBase\r | |
1618 | )\r | |
1619 | {\r | |
1620 | EFI_STATUS Status;\r | |
1621 | UINT32 Index;\r | |
1622 | UINTN CertCount;\r | |
1623 | UINTN GuidIndex;\r | |
1624 | VOID *StartOpCodeHandle;\r | |
1625 | VOID *EndOpCodeHandle;\r | |
1626 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
1627 | EFI_IFR_GUID_LABEL *EndLabel; \r | |
1628 | UINTN DataSize;\r | |
1629 | UINT8 *Data;\r | |
1630 | EFI_SIGNATURE_LIST *CertList;\r | |
1631 | EFI_SIGNATURE_DATA *Cert;\r | |
1632 | UINT32 ItemDataSize;\r | |
1633 | CHAR16 *GuidStr;\r | |
1634 | EFI_STRING_ID GuidID;\r | |
1635 | EFI_STRING_ID Help;\r | |
1636 | \r | |
1637 | Data = NULL;\r | |
1638 | CertList = NULL;\r | |
1639 | Cert = NULL;\r | |
1640 | GuidStr = NULL;\r | |
1641 | StartOpCodeHandle = NULL;\r | |
1642 | EndOpCodeHandle = NULL;\r | |
1643 | \r | |
1644 | //\r | |
1645 | // Initialize the container for dynamic opcodes.\r | |
1646 | //\r | |
1647 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
1648 | if (StartOpCodeHandle == NULL) {\r | |
1649 | Status = EFI_OUT_OF_RESOURCES;\r | |
1650 | goto ON_EXIT; \r | |
1651 | }\r | |
1652 | \r | |
1653 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
1654 | if (EndOpCodeHandle == NULL) {\r | |
1655 | Status = EFI_OUT_OF_RESOURCES;\r | |
1656 | goto ON_EXIT; \r | |
1657 | }\r | |
1658 | \r | |
1659 | //\r | |
1660 | // Create Hii Extend Label OpCode.\r | |
1661 | //\r | |
1662 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
1663 | StartOpCodeHandle,\r | |
1664 | &gEfiIfrTianoGuid,\r | |
1665 | NULL,\r | |
1666 | sizeof (EFI_IFR_GUID_LABEL)\r | |
1667 | );\r | |
1668 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
1669 | StartLabel->Number = LabelNumber;\r | |
1670 | \r | |
1671 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
1672 | EndOpCodeHandle,\r | |
1673 | &gEfiIfrTianoGuid,\r | |
1674 | NULL,\r | |
1675 | sizeof (EFI_IFR_GUID_LABEL)\r | |
1676 | );\r | |
1677 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
1678 | EndLabel->Number = LABEL_END;\r | |
1679 | \r | |
1680 | //\r | |
1681 | // Read Variable.\r | |
1682 | //\r | |
1683 | DataSize = 0;\r | |
1684 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data); \r | |
1685 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
1686 | goto ON_EXIT;\r | |
1687 | }\r | |
1688 | \r | |
1689 | Data = (UINT8 *) AllocateZeroPool (DataSize);\r | |
1690 | if (Data == NULL) {\r | |
1691 | Status = EFI_OUT_OF_RESOURCES;\r | |
1692 | goto ON_EXIT;\r | |
1693 | }\r | |
1694 | \r | |
1695 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, Data);\r | |
1696 | if (EFI_ERROR (Status)) {\r | |
1697 | goto ON_EXIT;\r | |
1698 | }\r | |
1699 | \r | |
1700 | GuidStr = AllocateZeroPool (100);\r | |
1701 | if (GuidStr == NULL) {\r | |
1702 | Status = EFI_OUT_OF_RESOURCES;\r | |
1703 | goto ON_EXIT;\r | |
1704 | }\r | |
1705 | \r | |
1706 | //\r | |
1707 | // Enumerate all KEK pub data.\r | |
1708 | //\r | |
1709 | ItemDataSize = (UINT32) DataSize;\r | |
1710 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
1711 | GuidIndex = 0;\r | |
1712 | \r | |
1713 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
1714 | \r | |
1715 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid)) {\r | |
1716 | Help = STRING_TOKEN (STR_CERT_TYPE_RSA2048_SHA256_GUID);\r | |
1717 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
1718 | Help = STRING_TOKEN (STR_CERT_TYPE_PCKS7_GUID);\r | |
1719 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid)) {\r | |
1720 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA1_GUID);\r | |
1721 | } else if (CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)) {\r | |
1722 | Help = STRING_TOKEN (STR_CERT_TYPE_SHA256_GUID);\r | |
1723 | } else {\r | |
1724 | //\r | |
1725 | // The signature type is not supported in current implementation.\r | |
1726 | //\r | |
b7d269ea | 1727 | ItemDataSize -= CertList->SignatureListSize;\r |
1728 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
ecc722ad | 1729 | continue;\r |
1730 | }\r | |
1731 | \r | |
1732 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
1733 | for (Index = 0; Index < CertCount; Index++) {\r | |
1734 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList \r | |
1735 | + sizeof (EFI_SIGNATURE_LIST) \r | |
1736 | + CertList->SignatureHeaderSize \r | |
1737 | + Index * CertList->SignatureSize);\r | |
1738 | //\r | |
1739 | // Display GUID and help \r | |
1740 | //\r | |
1741 | GuidToString (&Cert->SignatureOwner, GuidStr, 100);\r | |
1742 | GuidID = HiiSetString (PrivateData->HiiHandle, 0, GuidStr, NULL);\r | |
1743 | HiiCreateCheckBoxOpCode (\r | |
1744 | StartOpCodeHandle,\r | |
1745 | (EFI_QUESTION_ID) (QuestionIdBase + GuidIndex++),\r | |
1746 | 0, \r | |
1747 | 0, \r | |
1748 | GuidID, \r | |
1749 | Help,\r | |
1750 | EFI_IFR_FLAG_CALLBACK,\r | |
1751 | 0,\r | |
1752 | NULL\r | |
1753 | ); \r | |
1754 | }\r | |
1755 | \r | |
1756 | ItemDataSize -= CertList->SignatureListSize;\r | |
1757 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
1758 | }\r | |
1759 | \r | |
1760 | ON_EXIT:\r | |
1761 | HiiUpdateForm (\r | |
1762 | PrivateData->HiiHandle,\r | |
1763 | &gSecureBootConfigFormSetGuid,\r | |
1764 | FormId,\r | |
1765 | StartOpCodeHandle,\r | |
1766 | EndOpCodeHandle\r | |
1767 | );\r | |
1768 | \r | |
1769 | if (StartOpCodeHandle != NULL) {\r | |
1770 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
1771 | }\r | |
1772 | \r | |
1773 | if (EndOpCodeHandle != NULL) {\r | |
1774 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
1775 | }\r | |
1776 | \r | |
1777 | if (Data != NULL) {\r | |
1778 | FreePool (Data);\r | |
1779 | }\r | |
1780 | \r | |
1781 | if (GuidStr != NULL) {\r | |
1782 | FreePool (GuidStr);\r | |
1783 | }\r | |
1784 | \r | |
1785 | return EFI_SUCCESS;\r | |
1786 | }\r | |
1787 | \r | |
beda2356 | 1788 | /**\r |
ecc722ad | 1789 | Delete a KEK entry from KEK database. \r |
beda2356 | 1790 | \r |
ecc722ad | 1791 | @param[in] PrivateData Module's private data.\r |
1792 | @param[in] QuestionId Question id of the KEK item to delete.\r | |
beda2356 | 1793 | \r |
ecc722ad | 1794 | @retval EFI_SUCCESS Delete kek item successfully.\r |
1795 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
1796 | \r | |
1797 | **/\r | |
1798 | EFI_STATUS\r | |
1799 | DeleteKeyExchangeKey (\r | |
1800 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
1801 | IN EFI_QUESTION_ID QuestionId\r | |
1802 | )\r | |
1803 | {\r | |
1804 | EFI_STATUS Status;\r | |
1805 | UINTN DataSize;\r | |
1806 | UINT8 *Data;\r | |
1807 | UINT8 *OldData;\r | |
1808 | UINT32 Attr;\r | |
1809 | UINT32 Index;\r | |
1810 | EFI_SIGNATURE_LIST *CertList;\r | |
1811 | EFI_SIGNATURE_LIST *NewCertList;\r | |
1812 | EFI_SIGNATURE_DATA *Cert;\r | |
1813 | UINTN CertCount;\r | |
1814 | UINT32 Offset;\r | |
1815 | BOOLEAN IsKEKItemFound;\r | |
1816 | UINT32 KekDataSize;\r | |
1817 | UINTN DeleteKekIndex;\r | |
1818 | UINTN GuidIndex;\r | |
1819 | \r | |
1820 | Data = NULL;\r | |
1821 | OldData = NULL;\r | |
1822 | CertList = NULL;\r | |
1823 | Cert = NULL;\r | |
1824 | Attr = 0; \r | |
1825 | DeleteKekIndex = QuestionId - OPTION_DEL_KEK_QUESTION_ID;\r | |
f71ed839 | 1826 | \r |
1827 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r | |
1828 | if (EFI_ERROR (Status)) {\r | |
1829 | return Status;\r | |
1830 | }\r | |
ecc722ad | 1831 | \r |
1832 | //\r | |
1833 | // Get original KEK variable.\r | |
1834 | // \r | |
1835 | DataSize = 0; \r | |
1836 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, NULL, &DataSize, NULL);\r | |
1837 | if (EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
1838 | goto ON_EXIT;\r | |
1839 | }\r | |
1840 | \r | |
1841 | OldData = (UINT8*)AllocateZeroPool(DataSize);\r | |
1842 | if (OldData == NULL) {\r | |
1843 | Status = EFI_OUT_OF_RESOURCES; \r | |
1844 | goto ON_EXIT;\r | |
1845 | }\r | |
1846 | \r | |
1847 | Status = gRT->GetVariable (EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid, &Attr, &DataSize, OldData);\r | |
1848 | if (EFI_ERROR(Status)) {\r | |
1849 | goto ON_EXIT;\r | |
1850 | }\r | |
1851 | \r | |
1852 | //\r | |
1853 | // Allocate space for new variable. \r | |
1854 | //\r | |
1855 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
1856 | if (Data == NULL) {\r | |
1857 | Status = EFI_OUT_OF_RESOURCES;\r | |
1858 | goto ON_EXIT;\r | |
1859 | }\r | |
1860 | \r | |
1861 | //\r | |
1862 | // Enumerate all KEK pub data and erasing the target item.\r | |
1863 | //\r | |
1864 | IsKEKItemFound = FALSE;\r | |
1865 | KekDataSize = (UINT32) DataSize;\r | |
1866 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
1867 | Offset = 0;\r | |
1868 | GuidIndex = 0;\r | |
1869 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
1870 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
1871 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid)) {\r | |
1872 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
1873 | NewCertList = (EFI_SIGNATURE_LIST *)(Data + Offset);\r | |
1874 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
1875 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
1876 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
1877 | for (Index = 0; Index < CertCount; Index++) {\r | |
1878 | if (GuidIndex == DeleteKekIndex ) {\r | |
1879 | //\r | |
1880 | // Find it! Skip it!\r | |
1881 | //\r | |
1882 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
1883 | IsKEKItemFound = TRUE; \r | |
1884 | } else {\r | |
1885 | //\r | |
1886 | // This item doesn't match. Copy it to the Data buffer.\r | |
1887 | //\r | |
1888 | CopyMem (Data + Offset, Cert, CertList->SignatureSize);\r | |
1889 | Offset += CertList->SignatureSize;\r | |
1890 | }\r | |
1891 | GuidIndex++;\r | |
1892 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8*) Cert + CertList->SignatureSize);\r | |
1893 | }\r | |
1894 | } else {\r | |
1895 | //\r | |
1896 | // This List doesn't match. Copy it to the Data buffer.\r | |
1897 | //\r | |
1898 | CopyMem (Data + Offset, CertList, CertList->SignatureListSize);\r | |
1899 | Offset += CertList->SignatureListSize;\r | |
1900 | }\r | |
1901 | \r | |
1902 | KekDataSize -= CertList->SignatureListSize;\r | |
1903 | CertList = (EFI_SIGNATURE_LIST*) ((UINT8*) CertList + CertList->SignatureListSize);\r | |
1904 | }\r | |
1905 | \r | |
1906 | if (!IsKEKItemFound) {\r | |
1907 | //\r | |
1908 | // Doesn't find the Kek Item!\r | |
1909 | //\r | |
1910 | Status = EFI_NOT_FOUND;\r | |
1911 | goto ON_EXIT;\r | |
1912 | }\r | |
1913 | \r | |
1914 | //\r | |
1915 | // Delete the Signature header if there is no signature in the list.\r | |
1916 | //\r | |
1917 | KekDataSize = Offset;\r | |
1918 | CertList = (EFI_SIGNATURE_LIST*) Data;\r | |
1919 | Offset = 0;\r | |
1920 | ZeroMem (OldData, KekDataSize);\r | |
1921 | while ((KekDataSize > 0) && (KekDataSize >= CertList->SignatureListSize)) {\r | |
1922 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
1923 | DEBUG ((DEBUG_ERROR, " CertCount = %x\n", CertCount));\r | |
1924 | if (CertCount != 0) {\r | |
1925 | CopyMem (OldData + Offset, CertList, CertList->SignatureListSize);\r | |
1926 | Offset += CertList->SignatureListSize;\r | |
1927 | } \r | |
1928 | KekDataSize -= CertList->SignatureListSize;\r | |
1929 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
1930 | }\r | |
1931 | \r | |
ecc722ad | 1932 | DataSize = Offset;\r |
8c1babfd | 1933 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
1934 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
1935 | if (EFI_ERROR (Status)) {\r | |
1936 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
1937 | goto ON_EXIT;\r | |
1938 | }\r | |
1939 | }\r | |
ecc722ad | 1940 | \r |
1941 | Status = gRT->SetVariable(\r | |
1942 | EFI_KEY_EXCHANGE_KEY_NAME, \r | |
1943 | &gEfiGlobalVariableGuid, \r | |
1944 | Attr, \r | |
1945 | DataSize, \r | |
1946 | OldData\r | |
1947 | );\r | |
1948 | if (EFI_ERROR (Status)) {\r | |
1949 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r | |
1950 | goto ON_EXIT;\r | |
1951 | }\r | |
1952 | \r | |
1953 | ON_EXIT:\r | |
1954 | if (Data != NULL) {\r | |
1955 | FreePool(Data);\r | |
1956 | }\r | |
1957 | \r | |
1958 | if (OldData != NULL) {\r | |
1959 | FreePool(OldData);\r | |
1960 | }\r | |
1961 | \r | |
1962 | return UpdateDeletePage (\r | |
1963 | PrivateData, \r | |
1964 | EFI_KEY_EXCHANGE_KEY_NAME,\r | |
1965 | &gEfiGlobalVariableGuid,\r | |
1966 | LABEL_KEK_DELETE,\r | |
1967 | FORMID_DELETE_KEK_FORM,\r | |
1968 | OPTION_DEL_KEK_QUESTION_ID\r | |
1969 | );\r | |
1970 | }\r | |
1971 | \r | |
1972 | /**\r | |
1973 | Delete a signature entry from siganture database.\r | |
beda2356 | 1974 | \r |
ecc722ad | 1975 | @param[in] PrivateData Module's private data.\r |
1976 | @param[in] VariableName The variable name of the vendor's signature database.\r | |
1977 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
1978 | @param[in] LabelNumber Label number to insert opcodes.\r | |
1979 | @param[in] FormId Form ID of current page.\r | |
1980 | @param[in] QuestionIdBase Base question id of the signature list.\r | |
1981 | @param[in] DeleteIndex Signature index to delete.\r | |
1982 | \r | |
1983 | @retval EFI_SUCCESS Delete siganture successfully.\r | |
1984 | @retval EFI_NOT_FOUND Can't find the signature item,\r | |
1985 | @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
beda2356 | 1986 | **/\r |
1987 | EFI_STATUS\r | |
ecc722ad | 1988 | DeleteSignature (\r |
1989 | IN SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData,\r | |
1990 | IN CHAR16 *VariableName,\r | |
1991 | IN EFI_GUID *VendorGuid,\r | |
1992 | IN UINT16 LabelNumber,\r | |
1993 | IN EFI_FORM_ID FormId,\r | |
1994 | IN EFI_QUESTION_ID QuestionIdBase,\r | |
1995 | IN UINTN DeleteIndex\r | |
beda2356 | 1996 | )\r |
1997 | {\r | |
ecc722ad | 1998 | EFI_STATUS Status;\r |
1999 | UINTN DataSize;\r | |
2000 | UINT8 *Data;\r | |
2001 | UINT8 *OldData;\r | |
2002 | UINT32 Attr;\r | |
2003 | UINT32 Index;\r | |
2004 | EFI_SIGNATURE_LIST *CertList;\r | |
2005 | EFI_SIGNATURE_LIST *NewCertList;\r | |
2006 | EFI_SIGNATURE_DATA *Cert;\r | |
2007 | UINTN CertCount;\r | |
2008 | UINT32 Offset;\r | |
2009 | BOOLEAN IsItemFound;\r | |
2010 | UINT32 ItemDataSize;\r | |
2011 | UINTN GuidIndex;\r | |
bc0c99b3 | 2012 | \r |
ecc722ad | 2013 | Data = NULL;\r |
2014 | OldData = NULL;\r | |
2015 | CertList = NULL;\r | |
2016 | Cert = NULL;\r | |
2017 | Attr = 0; \r | |
2018 | \r | |
f71ed839 | 2019 | Status = SetSecureBootMode(CUSTOM_SECURE_BOOT_MODE);\r |
2020 | if (EFI_ERROR (Status)) {\r | |
2021 | return Status;\r | |
2022 | }\r | |
2023 | \r | |
ecc722ad | 2024 | //\r |
2025 | // Get original signature list data.\r | |
2026 | // \r | |
2027 | DataSize = 0;\r | |
2028 | Status = gRT->GetVariable (VariableName, VendorGuid, NULL, &DataSize, NULL);\r | |
2029 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
2030 | goto ON_EXIT;\r | |
2031 | }\r | |
2032 | \r | |
2033 | OldData = (UINT8 *) AllocateZeroPool (DataSize);\r | |
2034 | if (OldData == NULL) {\r | |
2035 | Status = EFI_OUT_OF_RESOURCES; \r | |
2036 | goto ON_EXIT;\r | |
2037 | }\r | |
2038 | \r | |
2039 | Status = gRT->GetVariable (VariableName, VendorGuid, &Attr, &DataSize, OldData);\r | |
2040 | if (EFI_ERROR(Status)) {\r | |
2041 | goto ON_EXIT;\r | |
2042 | } \r | |
2043 | \r | |
2044 | //\r | |
2045 | // Allocate space for new variable. \r | |
2046 | //\r | |
2047 | Data = (UINT8*) AllocateZeroPool (DataSize);\r | |
2048 | if (Data == NULL) {\r | |
2049 | Status = EFI_OUT_OF_RESOURCES;\r | |
2050 | goto ON_EXIT;\r | |
2051 | }\r | |
2052 | \r | |
2053 | //\r | |
2054 | // Enumerate all signature data and erasing the target item.\r | |
2055 | //\r | |
2056 | IsItemFound = FALSE;\r | |
2057 | ItemDataSize = (UINT32) DataSize;\r | |
2058 | CertList = (EFI_SIGNATURE_LIST *) OldData;\r | |
2059 | Offset = 0;\r | |
2060 | GuidIndex = 0;\r | |
2061 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2062 | if (CompareGuid (&CertList->SignatureType, &gEfiCertRsa2048Guid) ||\r | |
2063 | CompareGuid (&CertList->SignatureType, &gEfiCertX509Guid) ||\r | |
2064 | CompareGuid (&CertList->SignatureType, &gEfiCertSha1Guid) ||\r | |
2065 | CompareGuid (&CertList->SignatureType, &gEfiCertSha256Guid)\r | |
2066 | ) {\r | |
2067 | //\r | |
2068 | // Copy EFI_SIGNATURE_LIST header then calculate the signature count in this list.\r | |
2069 | //\r | |
2070 | CopyMem (Data + Offset, CertList, (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize));\r | |
2071 | NewCertList = (EFI_SIGNATURE_LIST*) (Data + Offset);\r | |
2072 | Offset += (sizeof(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2073 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof (EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);\r | |
2074 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2075 | for (Index = 0; Index < CertCount; Index++) {\r | |
2076 | if (GuidIndex == DeleteIndex) {\r | |
2077 | //\r | |
2078 | // Find it! Skip it!\r | |
2079 | //\r | |
2080 | NewCertList->SignatureListSize -= CertList->SignatureSize;\r | |
2081 | IsItemFound = TRUE; \r | |
2082 | } else {\r | |
2083 | //\r | |
2084 | // This item doesn't match. Copy it to the Data buffer.\r | |
2085 | //\r | |
2086 | CopyMem (Data + Offset, (UINT8*)(Cert), CertList->SignatureSize);\r | |
2087 | Offset += CertList->SignatureSize;\r | |
2088 | }\r | |
2089 | GuidIndex++;\r | |
2090 | Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) Cert + CertList->SignatureSize);\r | |
2091 | }\r | |
2092 | } else {\r | |
2093 | //\r | |
2094 | // This List doesn't match. Just copy it to the Data buffer.\r | |
2095 | //\r | |
2096 | CopyMem (Data + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2097 | Offset += CertList->SignatureListSize;\r | |
2098 | }\r | |
2099 | \r | |
2100 | ItemDataSize -= CertList->SignatureListSize;\r | |
2101 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2102 | }\r | |
2103 | \r | |
2104 | if (!IsItemFound) {\r | |
2105 | //\r | |
2106 | // Doesn't find the signature Item!\r | |
2107 | //\r | |
2108 | Status = EFI_NOT_FOUND;\r | |
2109 | goto ON_EXIT;\r | |
2110 | }\r | |
2111 | \r | |
2112 | //\r | |
2113 | // Delete the EFI_SIGNATURE_LIST header if there is no signature in the list.\r | |
2114 | //\r | |
2115 | ItemDataSize = Offset;\r | |
2116 | CertList = (EFI_SIGNATURE_LIST *) Data;\r | |
2117 | Offset = 0;\r | |
2118 | ZeroMem (OldData, ItemDataSize);\r | |
2119 | while ((ItemDataSize > 0) && (ItemDataSize >= CertList->SignatureListSize)) {\r | |
2120 | CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) - CertList->SignatureHeaderSize) / CertList->SignatureSize;\r | |
2121 | DEBUG ((DEBUG_ERROR, " CertCount = %x\n", CertCount));\r | |
2122 | if (CertCount != 0) {\r | |
2123 | CopyMem (OldData + Offset, (UINT8*)(CertList), CertList->SignatureListSize);\r | |
2124 | Offset += CertList->SignatureListSize;\r | |
2125 | } \r | |
2126 | ItemDataSize -= CertList->SignatureListSize;\r | |
2127 | CertList = (EFI_SIGNATURE_LIST *) ((UINT8 *) CertList + CertList->SignatureListSize);\r | |
2128 | }\r | |
2129 | \r | |
ecc722ad | 2130 | DataSize = Offset;\r |
8c1babfd | 2131 | if ((Attr & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) != 0) {\r |
2132 | Status = CreateTimeBasedPayload (&DataSize, &OldData);\r | |
2133 | if (EFI_ERROR (Status)) {\r | |
2134 | DEBUG ((EFI_D_ERROR, "Fail to create time-based data payload: %r", Status));\r | |
2135 | goto ON_EXIT;\r | |
2136 | }\r | |
2137 | }\r | |
ecc722ad | 2138 | \r |
2139 | Status = gRT->SetVariable(\r | |
2140 | VariableName, \r | |
2141 | VendorGuid, \r | |
2142 | Attr, \r | |
2143 | DataSize, \r | |
2144 | OldData\r | |
2145 | );\r | |
beda2356 | 2146 | if (EFI_ERROR (Status)) {\r |
ecc722ad | 2147 | DEBUG ((DEBUG_ERROR, "Failed to set variable, Status = %r\n", Status));\r |
2148 | goto ON_EXIT;\r | |
beda2356 | 2149 | }\r |
ecc722ad | 2150 | \r |
2151 | ON_EXIT:\r | |
2152 | if (Data != NULL) {\r | |
2153 | FreePool(Data);\r | |
2154 | }\r | |
2155 | \r | |
2156 | if (OldData != NULL) {\r | |
2157 | FreePool(OldData);\r | |
2158 | }\r | |
2159 | \r | |
2160 | return UpdateDeletePage (\r | |
2161 | PrivateData, \r | |
2162 | VariableName,\r | |
2163 | VendorGuid,\r | |
2164 | LabelNumber,\r | |
2165 | FormId,\r | |
2166 | QuestionIdBase\r | |
2167 | );\r | |
2168 | }\r | |
2169 | \r | |
2170 | /**\r | |
2171 | This function extracts configuration from variable.\r | |
2172 | \r | |
2173 | @param[in, out] ConfigData Point to SecureBoot configuration private data.\r | |
2174 | \r | |
2175 | **/\r | |
2176 | VOID\r | |
2177 | SecureBootExtractConfigFromVariable (\r | |
2178 | IN OUT SECUREBOOT_CONFIGURATION *ConfigData\r | |
2179 | ) \r | |
2180 | {\r | |
2181 | UINT8 *SecureBootEnable;\r | |
2182 | UINT8 *SetupMode;\r | |
2183 | UINT8 *SecureBootMode;\r | |
2184 | \r | |
2185 | SecureBootEnable = NULL;\r | |
2186 | SetupMode = NULL;\r | |
2187 | SecureBootMode = NULL;\r | |
2188 | \r | |
ecc722ad | 2189 | //\r |
2190 | // If the SecureBootEnable Variable doesn't exist, hide the SecureBoot Enable/Disable\r | |
2191 | // Checkbox.\r | |
2192 | //\r | |
f71ed839 | 2193 | ConfigData->AttemptSecureBoot = FALSE;\r |
8f8ca22e | 2194 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
ecc722ad | 2195 | if (SecureBootEnable == NULL) {\r |
2196 | ConfigData->HideSecureBoot = TRUE;\r | |
2197 | } else {\r | |
2198 | ConfigData->HideSecureBoot = FALSE;\r | |
f71ed839 | 2199 | if ((*SecureBootEnable) == SECURE_BOOT_ENABLE) {\r |
2200 | ConfigData->AttemptSecureBoot = TRUE;\r | |
2201 | }\r | |
ecc722ad | 2202 | }\r |
8f8ca22e | 2203 | \r |
ecc722ad | 2204 | //\r |
2205 | // If it is Physical Presence User, set the PhysicalPresent to true.\r | |
2206 | //\r | |
2207 | if (UserPhysicalPresent()) {\r | |
2208 | ConfigData->PhysicalPresent = TRUE;\r | |
2209 | } else {\r | |
2210 | ConfigData->PhysicalPresent = FALSE;\r | |
2211 | }\r | |
2212 | \r | |
2213 | //\r | |
2214 | // If there is no PK then the Delete Pk button will be gray.\r | |
2215 | //\r | |
f01b91ae | 2216 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
8f8ca22e | 2217 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r |
ecc722ad | 2218 | ConfigData->HasPk = FALSE;\r |
2219 | } else {\r | |
2220 | ConfigData->HasPk = TRUE;\r | |
2221 | }\r | |
2222 | \r | |
2223 | //\r | |
2224 | // Get the SecureBootMode from CustomMode variable.\r | |
2225 | //\r | |
f01b91ae | 2226 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r |
ecc722ad | 2227 | if (SecureBootMode == NULL) {\r |
2228 | ConfigData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
2229 | } else {\r | |
2230 | ConfigData->SecureBootMode = *(SecureBootMode);\r | |
2231 | }\r | |
f71ed839 | 2232 | \r |
2233 | if (SecureBootEnable != NULL) {\r | |
2234 | FreePool (SecureBootEnable);\r | |
2235 | }\r | |
2236 | if (SetupMode != NULL) {\r | |
2237 | FreePool (SetupMode);\r | |
2238 | }\r | |
2239 | if (SecureBootMode != NULL) {\r | |
2240 | FreePool (SecureBootMode);\r | |
2241 | }\r | |
beda2356 | 2242 | }\r |
2243 | \r | |
2244 | /**\r | |
2245 | This function allows a caller to extract the current configuration for one\r | |
2246 | or more named elements from the target driver.\r | |
2247 | \r | |
2248 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
2249 | @param[in] Request A null-terminated Unicode string in\r | |
2250 | <ConfigRequest> format.\r | |
2251 | @param[out] Progress On return, points to a character in the Request\r | |
2252 | string. Points to the string's null terminator if\r | |
2253 | request was successful. Points to the most recent\r | |
2254 | '&' before the first failing name/value pair (or\r | |
2255 | the beginning of the string if the failure is in\r | |
2256 | the first name/value pair) if the request was not\r | |
2257 | successful.\r | |
2258 | @param[out] Results A null-terminated Unicode string in\r | |
2259 | <ConfigAltResp> format which has all values filled\r | |
2260 | in for the names in the Request string. String to\r | |
2261 | be allocated by the called function.\r | |
2262 | \r | |
2263 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
2264 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
2265 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
2266 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
2267 | driver.\r | |
2268 | \r | |
2269 | **/\r | |
2270 | EFI_STATUS\r | |
2271 | EFIAPI\r | |
2272 | SecureBootExtractConfig (\r | |
2273 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
2274 | IN CONST EFI_STRING Request,\r | |
2275 | OUT EFI_STRING *Progress,\r | |
2276 | OUT EFI_STRING *Results\r | |
2277 | )\r | |
2278 | {\r | |
2279 | EFI_STATUS Status;\r | |
2280 | UINTN BufferSize;\r | |
bc0c99b3 | 2281 | UINTN Size;\r |
beda2356 | 2282 | SECUREBOOT_CONFIGURATION Configuration;\r |
beda2356 | 2283 | EFI_STRING ConfigRequest;\r |
bc0c99b3 | 2284 | EFI_STRING ConfigRequestHdr;\r |
bc0c99b3 | 2285 | SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;\r |
2286 | BOOLEAN AllocatedRequest;\r | |
f71ed839 | 2287 | UINT8 *SecureBoot;\r |
bc0c99b3 | 2288 | \r |
beda2356 | 2289 | if (Progress == NULL || Results == NULL) {\r |
2290 | return EFI_INVALID_PARAMETER;\r | |
2291 | }\r | |
ecc722ad | 2292 | \r |
bc0c99b3 | 2293 | AllocatedRequest = FALSE;\r |
2294 | ConfigRequestHdr = NULL;\r | |
2295 | ConfigRequest = NULL;\r | |
2296 | Size = 0;\r | |
f71ed839 | 2297 | SecureBoot = NULL;\r |
bc0c99b3 | 2298 | \r |
ea71453f | 2299 | ZeroMem (&Configuration, sizeof (Configuration));\r |
bc0c99b3 | 2300 | PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r |
2301 | *Progress = Request;\r | |
2302 | \r | |
beda2356 | 2303 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r |
2304 | return EFI_NOT_FOUND;\r | |
2305 | }\r | |
2306 | \r | |
beda2356 | 2307 | //\r |
ecc722ad | 2308 | // Get Configuration from Variable.\r |
beda2356 | 2309 | //\r |
ecc722ad | 2310 | SecureBootExtractConfigFromVariable (&Configuration);\r |
f71ed839 | 2311 | \r |
2312 | //\r | |
2313 | // Update current secure boot state.\r | |
2314 | //\r | |
2315 | GetVariable2 (EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SecureBoot, NULL);\r | |
2316 | if (SecureBoot != NULL && *SecureBoot == SECURE_BOOT_MODE_ENABLE) {\r | |
2317 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Enabled", NULL);\r | |
2318 | } else {\r | |
2319 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_SECURE_BOOT_STATE_CONTENT), L"Disabled", NULL);\r | |
2320 | }\r | |
2321 | if (SecureBoot != NULL) {\r | |
2322 | FreePool (SecureBoot);\r | |
2323 | }\r | |
beda2356 | 2324 | \r |
bc0c99b3 | 2325 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
beda2356 | 2326 | ConfigRequest = Request;\r |
bc0c99b3 | 2327 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r |
2328 | //\r | |
2329 | // Request is set to NULL or OFFSET is NULL, construct full request string.\r | |
bc0c99b3 | 2330 | //\r |
2331 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
2332 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
2333 | //\r | |
2334 | ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);\r | |
2335 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
2336 | ConfigRequest = AllocateZeroPool (Size);\r | |
2337 | ASSERT (ConfigRequest != NULL);\r | |
2338 | AllocatedRequest = TRUE;\r | |
2339 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
2340 | FreePool (ConfigRequestHdr);\r | |
2341 | ConfigRequestHdr = NULL;\r | |
2342 | }\r | |
beda2356 | 2343 | \r |
2344 | Status = gHiiConfigRouting->BlockToConfig (\r | |
2345 | gHiiConfigRouting,\r | |
2346 | ConfigRequest,\r | |
2347 | (UINT8 *) &Configuration,\r | |
2348 | BufferSize,\r | |
2349 | Results,\r | |
2350 | Progress\r | |
2351 | );\r | |
bc0c99b3 | 2352 | \r |
2353 | //\r | |
2354 | // Free the allocated config request string.\r | |
2355 | //\r | |
2356 | if (AllocatedRequest) {\r | |
2357 | FreePool (ConfigRequest);\r | |
2358 | }\r | |
2359 | \r | |
beda2356 | 2360 | //\r |
2361 | // Set Progress string to the original request string.\r | |
2362 | //\r | |
2363 | if (Request == NULL) {\r | |
2364 | *Progress = NULL;\r | |
2365 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
2366 | *Progress = Request + StrLen (Request);\r | |
2367 | }\r | |
2368 | \r | |
2369 | return Status;\r | |
2370 | }\r | |
2371 | \r | |
2372 | /**\r | |
2373 | This function processes the results of changes in configuration.\r | |
2374 | \r | |
2375 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
2376 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
2377 | format.\r | |
2378 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
2379 | the most recent '&' before the first failing\r | |
2380 | name/value pair (or the beginning of the string if\r | |
2381 | the failure is in the first name/value pair) or\r | |
2382 | the terminating NULL if all was successful.\r | |
2383 | \r | |
2384 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
2385 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
2386 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
2387 | driver.\r | |
2388 | \r | |
2389 | **/\r | |
2390 | EFI_STATUS\r | |
2391 | EFIAPI\r | |
2392 | SecureBootRouteConfig (\r | |
2393 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
2394 | IN CONST EFI_STRING Configuration,\r | |
2395 | OUT EFI_STRING *Progress\r | |
2396 | )\r | |
2397 | {\r | |
a2f2c258 | 2398 | UINT8 *SecureBootEnable;\r |
2399 | SECUREBOOT_CONFIGURATION IfrNvData;\r | |
2400 | UINTN BufferSize;\r | |
2401 | EFI_STATUS Status;\r | |
2402 | \r | |
beda2356 | 2403 | if (Configuration == NULL || Progress == NULL) {\r |
2404 | return EFI_INVALID_PARAMETER;\r | |
2405 | }\r | |
2406 | \r | |
2407 | *Progress = Configuration;\r | |
2408 | if (!HiiIsConfigHdrMatch (Configuration, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {\r | |
2409 | return EFI_NOT_FOUND;\r | |
2410 | }\r | |
2411 | \r | |
a365eed4 FS |
2412 | //\r |
2413 | // Get Configuration from Variable.\r | |
2414 | //\r | |
2415 | SecureBootExtractConfigFromVariable (&IfrNvData);\r | |
2416 | \r | |
2417 | //\r | |
2418 | // Map the Configuration to the configuration block.\r | |
2419 | //\r | |
a2f2c258 | 2420 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r |
2421 | Status = gHiiConfigRouting->ConfigToBlock (\r | |
2422 | gHiiConfigRouting,\r | |
2423 | Configuration,\r | |
2424 | (UINT8 *)&IfrNvData,\r | |
2425 | &BufferSize,\r | |
2426 | Progress\r | |
2427 | );\r | |
2428 | if (EFI_ERROR (Status)) {\r | |
2429 | return Status;\r | |
2430 | }\r | |
2431 | \r | |
2432 | //\r | |
2433 | // Store Buffer Storage back to EFI variable if needed\r | |
2434 | //\r | |
2435 | SecureBootEnable = NULL;\r | |
2436 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r | |
2437 | if (NULL != SecureBootEnable) {\r | |
2438 | FreePool (SecureBootEnable);\r | |
2439 | Status = SaveSecureBootVariable (IfrNvData.AttemptSecureBoot);\r | |
2440 | if (EFI_ERROR (Status)) {\r | |
2441 | return Status;\r | |
2442 | }\r | |
2443 | }\r | |
2444 | \r | |
ecc722ad | 2445 | *Progress = Configuration + StrLen (Configuration);\r |
beda2356 | 2446 | return EFI_SUCCESS;\r |
2447 | }\r | |
2448 | \r | |
2449 | /**\r | |
ecc722ad | 2450 | This function is called to provide results data to the driver.\r |
beda2356 | 2451 | \r |
2452 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
2453 | @param[in] Action Specifies the type of action taken by the browser.\r | |
2454 | @param[in] QuestionId A unique value which is sent to the original\r | |
2455 | exporting driver so that it can identify the type\r | |
2456 | of data to expect.\r | |
2457 | @param[in] Type The type of value for the question.\r | |
2458 | @param[in] Value A pointer to the data being sent to the original\r | |
2459 | exporting driver.\r | |
2460 | @param[out] ActionRequest On return, points to the action requested by the\r | |
2461 | callback function.\r | |
2462 | \r | |
2463 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
2464 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
2465 | variable and its data.\r | |
2466 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
2467 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
2468 | callback.\r | |
2469 | \r | |
2470 | **/\r | |
2471 | EFI_STATUS\r | |
2472 | EFIAPI\r | |
2473 | SecureBootCallback (\r | |
2474 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
2475 | IN EFI_BROWSER_ACTION Action,\r | |
2476 | IN EFI_QUESTION_ID QuestionId,\r | |
2477 | IN UINT8 Type,\r | |
2478 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
2479 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
2480 | )\r | |
2481 | {\r | |
ecc722ad | 2482 | EFI_INPUT_KEY Key;\r |
2483 | EFI_STATUS Status; \r | |
2484 | SECUREBOOT_CONFIG_PRIVATE_DATA *Private;\r | |
2485 | UINTN BufferSize;\r | |
2486 | SECUREBOOT_CONFIGURATION *IfrNvData;\r | |
2487 | UINT16 LabelId;\r | |
bf4a3dbd | 2488 | UINT8 *SecureBootEnable;\r |
f71ed839 | 2489 | UINT8 *SecureBootMode;\r |
2490 | UINT8 *SetupMode;\r | |
e4d7370d | 2491 | CHAR16 PromptString[100];\r |
bf4a3dbd ED |
2492 | \r |
2493 | SecureBootEnable = NULL;\r | |
f71ed839 | 2494 | SecureBootMode = NULL;\r |
2495 | SetupMode = NULL;\r | |
bc0c99b3 | 2496 | \r |
beda2356 | 2497 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
2498 | return EFI_INVALID_PARAMETER;\r | |
2499 | }\r | |
2500 | \r | |
a365eed4 FS |
2501 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
2502 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
2503 | mIsEnterSecureBootForm = TRUE;\r | |
2504 | }\r | |
2505 | \r | |
2506 | return EFI_SUCCESS;\r | |
2507 | }\r | |
2508 | \r | |
2509 | if (Action == EFI_BROWSER_ACTION_RETRIEVE) {\r | |
2510 | Status = EFI_UNSUPPORTED;\r | |
2511 | if (QuestionId == KEY_SECURE_BOOT_MODE) {\r | |
2512 | if (mIsEnterSecureBootForm) {\r | |
2513 | Value->u8 = SECURE_BOOT_MODE_STANDARD;\r | |
2514 | Status = EFI_SUCCESS;\r | |
2515 | }\r | |
2516 | }\r | |
2517 | return Status;\r | |
2518 | }\r | |
2519 | \r | |
f71ed839 | 2520 | if ((Action != EFI_BROWSER_ACTION_CHANGED) &&\r |
2521 | (Action != EFI_BROWSER_ACTION_CHANGING) &&\r | |
a2f2c258 | 2522 | (Action != EFI_BROWSER_ACTION_FORM_CLOSE) &&\r |
2523 | (Action != EFI_BROWSER_ACTION_DEFAULT_STANDARD)) {\r | |
beda2356 | 2524 | return EFI_UNSUPPORTED;\r |
2525 | }\r | |
ecc722ad | 2526 | \r |
2527 | Private = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);\r | |
bc0c99b3 | 2528 | \r |
ecc722ad | 2529 | //\r |
2530 | // Retrieve uncommitted data from Browser\r | |
2531 | //\r | |
2532 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
2533 | IfrNvData = AllocateZeroPool (BufferSize);\r | |
2534 | if (IfrNvData == NULL) {\r | |
2535 | return EFI_OUT_OF_RESOURCES;\r | |
beda2356 | 2536 | }\r |
bc0c99b3 | 2537 | \r |
ecc722ad | 2538 | Status = EFI_SUCCESS;\r |
2539 | \r | |
2540 | HiiGetBrowserData (NULL, NULL, BufferSize, (UINT8 *) IfrNvData);\r | |
2541 | \r | |
2542 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r | |
2543 | \r | |
2544 | switch (QuestionId) {\r | |
2545 | case KEY_SECURE_BOOT_ENABLE:\r | |
f01b91ae | 2546 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r |
bf4a3dbd | 2547 | if (NULL != SecureBootEnable) {\r |
f71ed839 | 2548 | FreePool (SecureBootEnable);\r |
ecc722ad | 2549 | if (EFI_ERROR (SaveSecureBootVariable (Value->u8))) {\r |
2550 | CreatePopUp (\r | |
2551 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
2552 | &Key,\r | |
2553 | L"Only Physical Presence User could disable secure boot!",\r | |
2554 | NULL\r | |
2555 | );\r | |
2556 | Status = EFI_UNSUPPORTED;\r | |
0357efe3 | 2557 | } else {\r |
2558 | CreatePopUp (\r | |
2559 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
2560 | &Key,\r | |
f71ed839 | 2561 | L"Configuration changed, please reset the platform to take effect!",\r |
0357efe3 | 2562 | NULL\r |
2563 | );\r | |
ecc722ad | 2564 | }\r |
ecc722ad | 2565 | }\r |
2566 | break;\r | |
2567 | \r | |
2568 | case KEY_SECURE_BOOT_OPTION:\r | |
2569 | FreeMenu (&DirectoryMenu);\r | |
2570 | FreeMenu (&FsOptionMenu);\r | |
2571 | break;\r | |
2572 | \r | |
2573 | case KEY_SECURE_BOOT_KEK_OPTION:\r | |
2574 | case KEY_SECURE_BOOT_DB_OPTION:\r | |
2575 | case KEY_SECURE_BOOT_DBX_OPTION:\r | |
2576 | //\r | |
2577 | // Clear Signature GUID.\r | |
2578 | //\r | |
2579 | ZeroMem (IfrNvData->SignatureGuid, sizeof (IfrNvData->SignatureGuid));\r | |
2580 | if (Private->SignatureGUID == NULL) {\r | |
2581 | Private->SignatureGUID = (EFI_GUID *) AllocateZeroPool (sizeof (EFI_GUID));\r | |
2582 | if (Private->SignatureGUID == NULL) {\r | |
2583 | return EFI_OUT_OF_RESOURCES;\r | |
2584 | }\r | |
2585 | }\r | |
beda2356 | 2586 | \r |
ecc722ad | 2587 | if (QuestionId == KEY_SECURE_BOOT_DB_OPTION) {\r |
2588 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;\r | |
2589 | } else if (QuestionId == KEY_SECURE_BOOT_DBX_OPTION) {\r | |
2590 | LabelId = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;\r | |
2591 | } else {\r | |
2592 | LabelId = FORMID_ENROLL_KEK_FORM;\r | |
2593 | }\r | |
2594 | \r | |
2595 | //\r | |
2596 | // Refresh selected file.\r | |
2597 | //\r | |
2598 | CleanUpPage (LabelId, Private); \r | |
2599 | break;\r | |
2600 | \r | |
2601 | case SECUREBOOT_ADD_PK_FILE_FORM_ID:\r | |
2602 | case FORMID_ENROLL_KEK_FORM:\r | |
2603 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DB:\r | |
2604 | case SECUREBOOT_ENROLL_SIGNATURE_TO_DBX:\r | |
2605 | if (QuestionId == SECUREBOOT_ADD_PK_FILE_FORM_ID) {\r | |
2606 | Private->FeCurrentState = FileExplorerStateEnrollPkFile;\r | |
2607 | } else if (QuestionId == FORMID_ENROLL_KEK_FORM) {\r | |
2608 | Private->FeCurrentState = FileExplorerStateEnrollKekFile;\r | |
2609 | } else if (QuestionId == SECUREBOOT_ENROLL_SIGNATURE_TO_DB) {\r | |
2610 | Private->FeCurrentState = FileExplorerStateEnrollSignatureFileToDb;\r | |
2611 | } else {\r | |
2612 | Private->FeCurrentState = FileExplorerStateEnrollSignatureFileToDbx;\r | |
2613 | }\r | |
2614 | \r | |
2615 | Private->FeDisplayContext = FileExplorerDisplayUnknown;\r | |
2616 | CleanUpPage (FORM_FILE_EXPLORER_ID, Private);\r | |
2617 | UpdateFileExplorer (Private, 0);\r | |
2618 | break;\r | |
2619 | \r | |
2620 | case KEY_SECURE_BOOT_DELETE_PK: \r | |
f71ed839 | 2621 | if (Value->u8) {\r |
2622 | CreatePopUp (\r | |
2623 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
2624 | &Key,\r | |
2625 | L"Are you sure you want to delete PK? Secure boot will be disabled!",\r | |
2626 | L"Press 'Y' to delete PK and exit, 'N' to discard change and return",\r | |
2627 | NULL\r | |
2628 | );\r | |
2629 | if (Key.UnicodeChar == 'y' || Key.UnicodeChar == 'Y') {\r | |
ecc722ad | 2630 | Status = DeletePlatformKey ();\r |
f71ed839 | 2631 | if (EFI_ERROR (Status)) {\r |
2632 | CreatePopUp (\r | |
2633 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
2634 | &Key,\r | |
2635 | L"Only Physical Presence User could delete PK in custom mode!",\r | |
2636 | NULL\r | |
2637 | );\r | |
2638 | }\r | |
ecc722ad | 2639 | }\r |
f71ed839 | 2640 | }\r |
ecc722ad | 2641 | break;\r |
2642 | \r | |
2643 | case KEY_DELETE_KEK:\r | |
2644 | UpdateDeletePage (\r | |
2645 | Private, \r | |
2646 | EFI_KEY_EXCHANGE_KEY_NAME,\r | |
2647 | &gEfiGlobalVariableGuid,\r | |
2648 | LABEL_KEK_DELETE,\r | |
2649 | FORMID_DELETE_KEK_FORM,\r | |
2650 | OPTION_DEL_KEK_QUESTION_ID \r | |
2651 | );\r | |
2652 | break;\r | |
2653 | \r | |
2654 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DB: \r | |
2655 | UpdateDeletePage (\r | |
2656 | Private,\r | |
2657 | EFI_IMAGE_SECURITY_DATABASE,\r | |
2658 | &gEfiImageSecurityDatabaseGuid,\r | |
2659 | LABEL_DB_DELETE,\r | |
2660 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
2661 | OPTION_DEL_DB_QUESTION_ID\r | |
2662 | );\r | |
2663 | break;\r | |
2664 | \r | |
2665 | case SECUREBOOT_DELETE_SIGNATURE_FROM_DBX:\r | |
2666 | UpdateDeletePage (\r | |
2667 | Private,\r | |
2668 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
2669 | &gEfiImageSecurityDatabaseGuid,\r | |
2670 | LABEL_DBX_DELETE,\r | |
2671 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r | |
2672 | OPTION_DEL_DBX_QUESTION_ID\r | |
2673 | );\r | |
2674 | \r | |
2675 | break;\r | |
2676 | \r | |
2677 | case KEY_VALUE_SAVE_AND_EXIT_KEK:\r | |
2678 | Status = EnrollKeyExchangeKey (Private);\r | |
ee79ac8d | 2679 | if (EFI_ERROR (Status)) {\r |
2680 | CreatePopUp (\r | |
2681 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
2682 | &Key,\r | |
2683 | L"ERROR: Unsupported file type!",\r | |
2684 | L"Only supports DER-encoded X509 certificate",\r | |
2685 | NULL\r | |
2686 | );\r | |
2687 | }\r | |
ecc722ad | 2688 | break;\r |
2689 | \r | |
2690 | case KEY_VALUE_SAVE_AND_EXIT_DB:\r | |
2691 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE);\r | |
ee79ac8d | 2692 | if (EFI_ERROR (Status)) {\r |
2693 | CreatePopUp (\r | |
2694 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
2695 | &Key,\r | |
2696 | L"ERROR: Unsupported file type!",\r | |
2697 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
2698 | NULL\r | |
2699 | );\r | |
2700 | }\r | |
ecc722ad | 2701 | break;\r |
2702 | \r | |
2703 | case KEY_VALUE_SAVE_AND_EXIT_DBX:\r | |
2704 | Status = EnrollSignatureDatabase (Private, EFI_IMAGE_SECURITY_DATABASE1);\r | |
ee79ac8d | 2705 | if (EFI_ERROR (Status)) {\r |
2706 | CreatePopUp (\r | |
2707 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
2708 | &Key,\r | |
2709 | L"ERROR: Unsupported file type!",\r | |
2710 | L"Only supports DER-encoded X509 certificate and executable EFI image",\r | |
2711 | NULL\r | |
2712 | );\r | |
2713 | }\r | |
ecc722ad | 2714 | break;\r |
2715 | \r | |
2716 | default:\r | |
2717 | if (QuestionId >= FILE_OPTION_OFFSET) {\r | |
2718 | UpdateFileExplorer (Private, QuestionId);\r | |
2719 | } else if ((QuestionId >= OPTION_DEL_KEK_QUESTION_ID) &&\r | |
2720 | (QuestionId < (OPTION_DEL_KEK_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
2721 | DeleteKeyExchangeKey (Private, QuestionId);\r | |
2722 | } else if ((QuestionId >= OPTION_DEL_DB_QUESTION_ID) &&\r | |
2723 | (QuestionId < (OPTION_DEL_DB_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
2724 | DeleteSignature (\r | |
2725 | Private,\r | |
2726 | EFI_IMAGE_SECURITY_DATABASE,\r | |
2727 | &gEfiImageSecurityDatabaseGuid,\r | |
2728 | LABEL_DB_DELETE, \r | |
2729 | SECUREBOOT_DELETE_SIGNATURE_FROM_DB,\r | |
2730 | OPTION_DEL_DB_QUESTION_ID,\r | |
2731 | QuestionId - OPTION_DEL_DB_QUESTION_ID\r | |
2732 | );\r | |
2733 | } else if ((QuestionId >= OPTION_DEL_DBX_QUESTION_ID) &&\r | |
2734 | (QuestionId < (OPTION_DEL_DBX_QUESTION_ID + OPTION_CONFIG_RANGE))) {\r | |
2735 | DeleteSignature (\r | |
2736 | Private,\r | |
2737 | EFI_IMAGE_SECURITY_DATABASE1,\r | |
2738 | &gEfiImageSecurityDatabaseGuid,\r | |
2739 | LABEL_DBX_DELETE, \r | |
2740 | SECUREBOOT_DELETE_SIGNATURE_FROM_DBX,\r | |
2741 | OPTION_DEL_DBX_QUESTION_ID,\r | |
2742 | QuestionId - OPTION_DEL_DBX_QUESTION_ID\r | |
2743 | );\r | |
2744 | }\r | |
2745 | break;\r | |
2746 | }\r | |
2747 | } else if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
2748 | switch (QuestionId) {\r | |
2749 | case KEY_SECURE_BOOT_ENABLE:\r | |
f71ed839 | 2750 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r |
ecc722ad | 2751 | break; \r |
2752 | case KEY_VALUE_SAVE_AND_EXIT_PK:\r | |
2753 | Status = EnrollPlatformKey (Private);\r | |
2754 | if (EFI_ERROR (Status)) {\r | |
ee79ac8d | 2755 | UnicodeSPrint (\r |
2756 | PromptString,\r | |
2757 | sizeof (PromptString),\r | |
2758 | L"Only DER encoded certificate file (%s) is supported.",\r | |
2759 | mSupportX509Suffix\r | |
2760 | );\r | |
ecc722ad | 2761 | CreatePopUp (\r |
2762 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
2763 | &Key,\r | |
e4d7370d | 2764 | L"ERROR: Unsupported file type!",\r |
2765 | PromptString,\r | |
ecc722ad | 2766 | NULL\r |
2767 | );\r | |
2768 | } else {\r | |
0fb450fb | 2769 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_RESET; \r |
ecc722ad | 2770 | } \r |
2771 | break;\r | |
2772 | \r | |
2773 | case KEY_VALUE_NO_SAVE_AND_EXIT_PK:\r | |
2774 | case KEY_VALUE_NO_SAVE_AND_EXIT_KEK:\r | |
2775 | case KEY_VALUE_NO_SAVE_AND_EXIT_DB:\r | |
2776 | case KEY_VALUE_NO_SAVE_AND_EXIT_DBX:\r | |
2777 | if (Private->FileContext->FHandle != NULL) {\r | |
2778 | CloseFile (Private->FileContext->FHandle);\r | |
2779 | Private->FileContext->FHandle = NULL;\r | |
2780 | Private->FileContext->FileName = NULL;\r | |
2781 | }\r | |
2782 | \r | |
2783 | if (Private->SignatureGUID != NULL) {\r | |
2784 | FreePool (Private->SignatureGUID);\r | |
2785 | Private->SignatureGUID = NULL;\r | |
2786 | }\r | |
2787 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r | |
2788 | break;\r | |
2789 | \r | |
2790 | case KEY_SECURE_BOOT_MODE:\r | |
a365eed4 | 2791 | mIsEnterSecureBootForm = FALSE;\r |
ecc722ad | 2792 | break;\r |
2793 | \r | |
2794 | case KEY_SECURE_BOOT_KEK_GUID:\r | |
2795 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DB:\r | |
2796 | case KEY_SECURE_BOOT_SIGNATURE_GUID_DBX:\r | |
2797 | ASSERT (Private->SignatureGUID != NULL);\r | |
2798 | Status = StringToGuid (\r | |
2799 | IfrNvData->SignatureGuid,\r | |
2800 | StrLen (IfrNvData->SignatureGuid),\r | |
2801 | Private->SignatureGUID\r | |
2802 | );\r | |
2803 | if (EFI_ERROR (Status)) {\r | |
2804 | break;\r | |
2805 | }\r | |
2806 | \r | |
2807 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
2808 | break;\r | |
2809 | \r | |
2810 | case KEY_SECURE_BOOT_DELETE_PK:\r | |
f71ed839 | 2811 | GetVariable2 (EFI_SETUP_MODE_NAME, &gEfiGlobalVariableGuid, (VOID**)&SetupMode, NULL);\r |
2812 | if (SetupMode == NULL || (*SetupMode) == SETUP_MODE) {\r | |
2813 | IfrNvData->DeletePk = TRUE;\r | |
2814 | IfrNvData->HasPk = FALSE;\r | |
ecc722ad | 2815 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r |
f71ed839 | 2816 | } else {\r |
2817 | IfrNvData->DeletePk = FALSE;\r | |
2818 | IfrNvData->HasPk = TRUE;\r | |
2819 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
2820 | }\r | |
2821 | if (SetupMode != NULL) {\r | |
2822 | FreePool (SetupMode);\r | |
ecc722ad | 2823 | }\r |
2824 | break; \r | |
2825 | }\r | |
a2f2c258 | 2826 | } else if (Action == EFI_BROWSER_ACTION_DEFAULT_STANDARD) {\r |
2827 | if (QuestionId == KEY_HIDE_SECURE_BOOT) {\r | |
2828 | GetVariable2 (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid, (VOID**)&SecureBootEnable, NULL);\r | |
2829 | if (SecureBootEnable == NULL) {\r | |
2830 | IfrNvData->HideSecureBoot = TRUE;\r | |
2831 | } else {\r | |
2832 | FreePool (SecureBootEnable);\r | |
2833 | IfrNvData->HideSecureBoot = FALSE;\r | |
2834 | }\r | |
2835 | Value->b = IfrNvData->HideSecureBoot;\r | |
2836 | }\r | |
f71ed839 | 2837 | } else if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {\r |
2838 | //\r | |
2839 | // Force the platform back to Standard Mode once user leave the setup screen.\r | |
2840 | //\r | |
2841 | GetVariable2 (EFI_CUSTOM_MODE_NAME, &gEfiCustomModeEnableGuid, (VOID**)&SecureBootMode, NULL);\r | |
2842 | if (NULL != SecureBootMode && *SecureBootMode == CUSTOM_SECURE_BOOT_MODE) {\r | |
2843 | IfrNvData->SecureBootMode = STANDARD_SECURE_BOOT_MODE;\r | |
2844 | SetSecureBootMode(STANDARD_SECURE_BOOT_MODE);\r | |
2845 | }\r | |
2846 | if (SecureBootMode != NULL) {\r | |
2847 | FreePool (SecureBootMode);\r | |
2848 | }\r | |
ecc722ad | 2849 | }\r |
2850 | \r | |
2851 | if (!EFI_ERROR (Status)) {\r | |
2852 | BufferSize = sizeof (SECUREBOOT_CONFIGURATION);\r | |
2853 | HiiSetBrowserData (NULL, NULL, BufferSize, (UINT8*) IfrNvData, NULL);\r | |
2854 | }\r | |
2855 | FreePool (IfrNvData);\r | |
2856 | \r | |
2857 | return EFI_SUCCESS;\r | |
beda2356 | 2858 | }\r |
2859 | \r | |
2860 | /**\r | |
2861 | This function publish the SecureBoot configuration Form.\r | |
2862 | \r | |
2863 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
2864 | \r | |
ecc722ad | 2865 | @retval EFI_SUCCESS HII Form is installed successfully.\r |
beda2356 | 2866 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r |
2867 | @retval Others Other errors as indicated.\r | |
2868 | \r | |
2869 | **/\r | |
2870 | EFI_STATUS\r | |
2871 | InstallSecureBootConfigForm (\r | |
2872 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
2873 | )\r | |
2874 | {\r | |
2875 | EFI_STATUS Status;\r | |
2876 | EFI_HII_HANDLE HiiHandle;\r | |
2877 | EFI_HANDLE DriverHandle;\r | |
beda2356 | 2878 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
2879 | \r | |
2880 | DriverHandle = NULL;\r | |
2881 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
2882 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
2883 | &DriverHandle,\r | |
2884 | &gEfiDevicePathProtocolGuid,\r | |
2885 | &mSecureBootHiiVendorDevicePath,\r | |
2886 | &gEfiHiiConfigAccessProtocolGuid,\r | |
2887 | ConfigAccess,\r | |
2888 | NULL\r | |
2889 | );\r | |
2890 | if (EFI_ERROR (Status)) {\r | |
2891 | return Status;\r | |
2892 | }\r | |
2893 | \r | |
2894 | PrivateData->DriverHandle = DriverHandle;\r | |
2895 | \r | |
2896 | //\r | |
2897 | // Publish the HII package list\r | |
2898 | //\r | |
2899 | HiiHandle = HiiAddPackages (\r | |
2900 | &gSecureBootConfigFormSetGuid,\r | |
2901 | DriverHandle,\r | |
2902 | SecureBootConfigDxeStrings,\r | |
2903 | SecureBootConfigBin,\r | |
2904 | NULL\r | |
2905 | );\r | |
2906 | if (HiiHandle == NULL) {\r | |
2907 | gBS->UninstallMultipleProtocolInterfaces (\r | |
2908 | DriverHandle,\r | |
2909 | &gEfiDevicePathProtocolGuid,\r | |
2910 | &mSecureBootHiiVendorDevicePath,\r | |
2911 | &gEfiHiiConfigAccessProtocolGuid,\r | |
2912 | ConfigAccess,\r | |
2913 | NULL\r | |
bc0c99b3 | 2914 | );\r |
beda2356 | 2915 | return EFI_OUT_OF_RESOURCES;\r |
2916 | }\r | |
bc0c99b3 | 2917 | \r |
beda2356 | 2918 | PrivateData->HiiHandle = HiiHandle;\r |
ecc722ad | 2919 | \r |
2920 | PrivateData->FileContext = AllocateZeroPool (sizeof (SECUREBOOT_FILE_CONTEXT));\r | |
2921 | PrivateData->MenuEntry = AllocateZeroPool (sizeof (SECUREBOOT_MENU_ENTRY));\r | |
2922 | \r | |
2923 | if (PrivateData->FileContext == NULL || PrivateData->MenuEntry == NULL) {\r | |
2924 | UninstallSecureBootConfigForm (PrivateData);\r | |
2925 | return EFI_OUT_OF_RESOURCES;\r | |
2926 | }\r | |
2927 | \r | |
2928 | PrivateData->FeCurrentState = FileExplorerStateInActive;\r | |
2929 | PrivateData->FeDisplayContext = FileExplorerDisplayUnknown;\r | |
2930 | \r | |
2931 | InitializeListHead (&FsOptionMenu.Head);\r | |
2932 | InitializeListHead (&DirectoryMenu.Head);\r | |
2933 | \r | |
2934 | //\r | |
2935 | // Init OpCode Handle and Allocate space for creation of Buffer\r | |
2936 | //\r | |
2937 | mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2938 | if (mStartOpCodeHandle == NULL) {\r | |
2939 | UninstallSecureBootConfigForm (PrivateData);\r | |
2940 | return EFI_OUT_OF_RESOURCES;\r | |
2941 | }\r | |
2942 | \r | |
2943 | mEndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2944 | if (mEndOpCodeHandle == NULL) {\r | |
2945 | UninstallSecureBootConfigForm (PrivateData);\r | |
2946 | return EFI_OUT_OF_RESOURCES;\r | |
2947 | }\r | |
2948 | \r | |
2949 | //\r | |
2950 | // Create Hii Extend Label OpCode as the start opcode\r | |
2951 | //\r | |
2952 | mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2953 | mStartOpCodeHandle,\r | |
2954 | &gEfiIfrTianoGuid,\r | |
2955 | NULL,\r | |
2956 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2957 | );\r | |
2958 | mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2959 | \r | |
2960 | //\r | |
2961 | // Create Hii Extend Label OpCode as the end opcode\r | |
2962 | //\r | |
2963 | mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (\r | |
2964 | mEndOpCodeHandle,\r | |
2965 | &gEfiIfrTianoGuid,\r | |
2966 | NULL,\r | |
2967 | sizeof (EFI_IFR_GUID_LABEL)\r | |
2968 | );\r | |
2969 | mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2970 | mEndLabel->Number = LABEL_END;\r | |
2971 | \r | |
bc0c99b3 | 2972 | return EFI_SUCCESS;\r |
beda2356 | 2973 | }\r |
2974 | \r | |
2975 | /**\r | |
2976 | This function removes SecureBoot configuration Form.\r | |
2977 | \r | |
2978 | @param[in, out] PrivateData Points to SecureBoot configuration private data.\r | |
2979 | \r | |
2980 | **/\r | |
2981 | VOID\r | |
2982 | UninstallSecureBootConfigForm (\r | |
2983 | IN OUT SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData\r | |
2984 | )\r | |
2985 | {\r | |
2986 | //\r | |
2987 | // Uninstall HII package list\r | |
2988 | //\r | |
2989 | if (PrivateData->HiiHandle != NULL) {\r | |
2990 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
2991 | PrivateData->HiiHandle = NULL;\r | |
2992 | }\r | |
2993 | \r | |
2994 | //\r | |
2995 | // Uninstall HII Config Access Protocol\r | |
2996 | //\r | |
2997 | if (PrivateData->DriverHandle != NULL) {\r | |
2998 | gBS->UninstallMultipleProtocolInterfaces (\r | |
2999 | PrivateData->DriverHandle,\r | |
3000 | &gEfiDevicePathProtocolGuid,\r | |
3001 | &mSecureBootHiiVendorDevicePath,\r | |
3002 | &gEfiHiiConfigAccessProtocolGuid,\r | |
3003 | &PrivateData->ConfigAccess,\r | |
3004 | NULL\r | |
3005 | );\r | |
3006 | PrivateData->DriverHandle = NULL;\r | |
3007 | }\r | |
bc0c99b3 | 3008 | \r |
ecc722ad | 3009 | if (PrivateData->SignatureGUID != NULL) {\r |
3010 | FreePool (PrivateData->SignatureGUID);\r | |
3011 | }\r | |
3012 | \r | |
3013 | if (PrivateData->MenuEntry != NULL) {\r | |
3014 | FreePool (PrivateData->MenuEntry);\r | |
3015 | }\r | |
3016 | \r | |
3017 | if (PrivateData->FileContext != NULL) {\r | |
3018 | FreePool (PrivateData->FileContext);\r | |
3019 | }\r | |
3020 | \r | |
beda2356 | 3021 | FreePool (PrivateData);\r |
ecc722ad | 3022 | \r |
3023 | FreeMenu (&DirectoryMenu);\r | |
3024 | FreeMenu (&FsOptionMenu);\r | |
3025 | \r | |
3026 | if (mStartOpCodeHandle != NULL) {\r | |
3027 | HiiFreeOpCodeHandle (mStartOpCodeHandle);\r | |
3028 | }\r | |
3029 | \r | |
3030 | if (mEndOpCodeHandle != NULL) {\r | |
3031 | HiiFreeOpCodeHandle (mEndOpCodeHandle);\r | |
3032 | }\r | |
beda2356 | 3033 | }\r |