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e8959f81 HW |
1 | /** @file\r |
2 | HDD password driver which is used to support HDD security feature.\r | |
3 | \r | |
4 | Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>\r | |
5 | \r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions\r | |
8 | of the BSD License which accompanies this distribution. The\r | |
9 | full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #include "HddPasswordDxe.h"\r | |
18 | \r | |
19 | EFI_GUID mHddPasswordVendorGuid = HDD_PASSWORD_CONFIG_GUID;\r | |
20 | CHAR16 mHddPasswordVendorStorageName[] = L"HDD_PASSWORD_CONFIG";\r | |
21 | LIST_ENTRY mHddPasswordConfigFormList;\r | |
22 | UINT32 mNumberOfHddDevices = 0;\r | |
23 | \r | |
24 | EFI_GUID mHddPasswordDeviceInfoGuid = HDD_PASSWORD_DEVICE_INFO_GUID;\r | |
25 | BOOLEAN mHddPasswordEndOfDxe = FALSE;\r | |
26 | HDD_PASSWORD_REQUEST_VARIABLE *mHddPasswordRequestVariable = NULL;\r | |
27 | UINTN mHddPasswordRequestVariableSize = 0;\r | |
28 | \r | |
29 | HII_VENDOR_DEVICE_PATH mHddPasswordHiiVendorDevicePath = {\r | |
30 | {\r | |
31 | {\r | |
32 | HARDWARE_DEVICE_PATH,\r | |
33 | HW_VENDOR_DP,\r | |
34 | {\r | |
35 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
36 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
37 | }\r | |
38 | },\r | |
39 | HDD_PASSWORD_CONFIG_GUID\r | |
40 | },\r | |
41 | {\r | |
42 | END_DEVICE_PATH_TYPE,\r | |
43 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
44 | {\r | |
45 | (UINT8) (END_DEVICE_PATH_LENGTH),\r | |
46 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
47 | }\r | |
48 | }\r | |
49 | };\r | |
50 | \r | |
51 | \r | |
52 | /**\r | |
53 | Check if the password is full zero.\r | |
54 | \r | |
55 | @param[in] Password Points to the data buffer\r | |
56 | \r | |
57 | @retval TRUE This password string is full zero.\r | |
58 | @retval FALSE This password string is not full zero.\r | |
59 | \r | |
60 | **/\r | |
61 | BOOLEAN\r | |
62 | PasswordIsFullZero (\r | |
63 | IN CHAR8 *Password\r | |
64 | )\r | |
65 | {\r | |
66 | UINTN Index;\r | |
67 | \r | |
68 | for (Index = 0; Index < HDD_PASSWORD_MAX_LENGTH; Index++) {\r | |
69 | if (Password[Index] != 0) {\r | |
70 | return FALSE;\r | |
71 | }\r | |
72 | }\r | |
73 | \r | |
74 | return TRUE;\r | |
75 | }\r | |
76 | \r | |
77 | /**\r | |
78 | Save device info.\r | |
79 | \r | |
80 | @param[in] ConfigFormEntry Points to HDD_PASSWORD_CONFIG_FORM_ENTRY buffer\r | |
81 | @param[in,out] TempDevInfo Points to HDD_PASSWORD_DEVICE_INFO buffer\r | |
82 | \r | |
83 | **/\r | |
84 | VOID\r | |
85 | SaveDeviceInfo (\r | |
86 | IN HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry,\r | |
87 | IN OUT HDD_PASSWORD_DEVICE_INFO *TempDevInfo\r | |
88 | )\r | |
89 | {\r | |
90 | TempDevInfo->Device.Bus = (UINT8) ConfigFormEntry->Bus;\r | |
91 | TempDevInfo->Device.Device = (UINT8) ConfigFormEntry->Device;\r | |
92 | TempDevInfo->Device.Function = (UINT8) ConfigFormEntry->Function;\r | |
93 | TempDevInfo->Device.Port = ConfigFormEntry->Port;\r | |
94 | TempDevInfo->Device.PortMultiplierPort = ConfigFormEntry->PortMultiplierPort;\r | |
95 | CopyMem (TempDevInfo->Password, ConfigFormEntry->Password, HDD_PASSWORD_MAX_LENGTH);\r | |
96 | TempDevInfo->DevicePathLength = (UINT32) GetDevicePathSize (ConfigFormEntry->DevicePath);\r | |
97 | CopyMem (TempDevInfo->DevicePath, ConfigFormEntry->DevicePath, TempDevInfo->DevicePathLength);\r | |
98 | }\r | |
99 | \r | |
100 | /**\r | |
101 | Build HDD password device info and save them to LockBox.\r | |
102 | \r | |
103 | **/\r | |
104 | VOID\r | |
105 | BuildHddPasswordDeviceInfo (\r | |
106 | VOID\r | |
107 | )\r | |
108 | {\r | |
109 | EFI_STATUS Status;\r | |
110 | LIST_ENTRY *Entry;\r | |
111 | HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry;\r | |
112 | HDD_PASSWORD_DEVICE_INFO *DevInfo;\r | |
113 | HDD_PASSWORD_DEVICE_INFO *TempDevInfo;\r | |
114 | UINTN DevInfoLength;\r | |
115 | UINT8 DummyData;\r | |
116 | BOOLEAN S3InitDevicesExist;\r | |
117 | UINTN S3InitDevicesLength;\r | |
118 | EFI_DEVICE_PATH_PROTOCOL *S3InitDevices;\r | |
119 | EFI_DEVICE_PATH_PROTOCOL *S3InitDevicesBak;\r | |
120 | \r | |
121 | //\r | |
122 | // Build HDD password device info and save them to LockBox.\r | |
123 | //\r | |
124 | DevInfoLength = 0;\r | |
125 | EFI_LIST_FOR_EACH (Entry, &mHddPasswordConfigFormList) {\r | |
126 | ConfigFormEntry = BASE_CR (Entry, HDD_PASSWORD_CONFIG_FORM_ENTRY, Link);\r | |
127 | \r | |
128 | //\r | |
129 | // 1. Handle device which already set password.\r | |
130 | // 2. When request to send freeze comamnd, driver also needs to handle device\r | |
131 | // which support security feature.\r | |
132 | //\r | |
133 | if ((!PasswordIsFullZero (ConfigFormEntry->Password)) ||\r | |
134 | ((ConfigFormEntry->IfrData.SecurityStatus.Supported != 0) &&\r | |
135 | (ConfigFormEntry->IfrData.SecurityStatus.Enabled == 0))) {\r | |
136 | DevInfoLength += sizeof (HDD_PASSWORD_DEVICE_INFO) +\r | |
137 | GetDevicePathSize (ConfigFormEntry->DevicePath);\r | |
138 | }\r | |
139 | }\r | |
140 | \r | |
141 | if (DevInfoLength == 0) {\r | |
142 | return;\r | |
143 | }\r | |
144 | \r | |
145 | S3InitDevicesLength = sizeof (DummyData);\r | |
146 | Status = RestoreLockBox (\r | |
147 | &gS3StorageDeviceInitListGuid,\r | |
148 | &DummyData,\r | |
149 | &S3InitDevicesLength\r | |
150 | );\r | |
151 | ASSERT ((Status == EFI_NOT_FOUND) || (Status == EFI_BUFFER_TOO_SMALL));\r | |
152 | if (Status == EFI_NOT_FOUND) {\r | |
153 | S3InitDevices = NULL;\r | |
154 | S3InitDevicesExist = FALSE;\r | |
155 | } else if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
156 | S3InitDevices = AllocatePool (S3InitDevicesLength);\r | |
157 | ASSERT (S3InitDevices != NULL);\r | |
158 | \r | |
159 | Status = RestoreLockBox (\r | |
160 | &gS3StorageDeviceInitListGuid,\r | |
161 | S3InitDevices,\r | |
162 | &S3InitDevicesLength\r | |
163 | );\r | |
164 | ASSERT_EFI_ERROR (Status);\r | |
165 | S3InitDevicesExist = TRUE;\r | |
166 | } else {\r | |
167 | return;\r | |
168 | }\r | |
169 | \r | |
170 | DevInfo = AllocateZeroPool (DevInfoLength);\r | |
171 | ASSERT (DevInfo != NULL);\r | |
172 | \r | |
173 | TempDevInfo = DevInfo;\r | |
174 | EFI_LIST_FOR_EACH (Entry, &mHddPasswordConfigFormList) {\r | |
175 | ConfigFormEntry = BASE_CR (Entry, HDD_PASSWORD_CONFIG_FORM_ENTRY, Link);\r | |
176 | \r | |
177 | if ((!PasswordIsFullZero (ConfigFormEntry->Password)) ||\r | |
178 | ((ConfigFormEntry->IfrData.SecurityStatus.Supported != 0) &&\r | |
179 | (ConfigFormEntry->IfrData.SecurityStatus.Enabled == 0))) {\r | |
180 | SaveDeviceInfo (ConfigFormEntry, TempDevInfo);\r | |
181 | \r | |
182 | S3InitDevicesBak = S3InitDevices;\r | |
183 | S3InitDevices = AppendDevicePathInstance (\r | |
184 | S3InitDevicesBak,\r | |
185 | ConfigFormEntry->DevicePath\r | |
186 | );\r | |
187 | if (S3InitDevicesBak != NULL) {\r | |
188 | FreePool (S3InitDevicesBak);\r | |
189 | }\r | |
190 | ASSERT (S3InitDevices != NULL);\r | |
191 | \r | |
192 | TempDevInfo = (HDD_PASSWORD_DEVICE_INFO *) ((UINTN)TempDevInfo +\r | |
193 | sizeof (HDD_PASSWORD_DEVICE_INFO) +\r | |
194 | TempDevInfo->DevicePathLength);\r | |
195 | }\r | |
196 | }\r | |
197 | \r | |
198 | Status = SaveLockBox (\r | |
199 | &mHddPasswordDeviceInfoGuid,\r | |
200 | DevInfo,\r | |
201 | DevInfoLength\r | |
202 | );\r | |
203 | ASSERT_EFI_ERROR (Status);\r | |
204 | \r | |
205 | Status = SetLockBoxAttributes (\r | |
206 | &mHddPasswordDeviceInfoGuid,\r | |
207 | LOCK_BOX_ATTRIBUTE_RESTORE_IN_S3_ONLY\r | |
208 | );\r | |
209 | ASSERT_EFI_ERROR (Status);\r | |
210 | \r | |
211 | S3InitDevicesLength = GetDevicePathSize (S3InitDevices);\r | |
212 | if (S3InitDevicesExist) {\r | |
213 | Status = UpdateLockBox (\r | |
214 | &gS3StorageDeviceInitListGuid,\r | |
215 | 0,\r | |
216 | S3InitDevices,\r | |
217 | S3InitDevicesLength\r | |
218 | );\r | |
219 | ASSERT_EFI_ERROR (Status);\r | |
220 | } else {\r | |
221 | Status = SaveLockBox (\r | |
222 | &gS3StorageDeviceInitListGuid,\r | |
223 | S3InitDevices,\r | |
224 | S3InitDevicesLength\r | |
225 | );\r | |
226 | ASSERT_EFI_ERROR (Status);\r | |
227 | \r | |
228 | Status = SetLockBoxAttributes (\r | |
229 | &gS3StorageDeviceInitListGuid,\r | |
230 | LOCK_BOX_ATTRIBUTE_RESTORE_IN_S3_ONLY\r | |
231 | );\r | |
232 | ASSERT_EFI_ERROR (Status);\r | |
233 | }\r | |
234 | \r | |
235 | ZeroMem (DevInfo, DevInfoLength);\r | |
236 | FreePool (DevInfo);\r | |
237 | FreePool (S3InitDevices);\r | |
238 | }\r | |
239 | \r | |
240 | /**\r | |
241 | Send freeze lock cmd through Ata Pass Thru Protocol.\r | |
242 | \r | |
243 | @param[in] AtaPassThru The pointer to the ATA_PASS_THRU protocol.\r | |
244 | @param[in] Port The port number of the ATA device to send the command.\r | |
245 | @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.\r | |
246 | If there is no port multiplier, then specify 0xFFFF.\r | |
247 | \r | |
248 | @retval EFI_SUCCESS Successful to send freeze lock cmd.\r | |
249 | @retval EFI_INVALID_PARAMETER The parameter passed-in is invalid.\r | |
250 | @retval EFI_OUT_OF_RESOURCES Not enough memory to send freeze lock cmd.\r | |
251 | @retval EFI_DEVICE_ERROR Can not send freeze lock cmd.\r | |
252 | \r | |
253 | **/\r | |
254 | EFI_STATUS\r | |
255 | FreezeLockDevice (\r | |
256 | IN EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru,\r | |
257 | IN UINT16 Port,\r | |
258 | IN UINT16 PortMultiplierPort\r | |
259 | )\r | |
260 | {\r | |
261 | EFI_STATUS Status;\r | |
262 | EFI_ATA_COMMAND_BLOCK Acb;\r | |
263 | EFI_ATA_STATUS_BLOCK *Asb;\r | |
264 | EFI_ATA_PASS_THRU_COMMAND_PACKET Packet;\r | |
265 | \r | |
266 | if (AtaPassThru == NULL) {\r | |
267 | return EFI_INVALID_PARAMETER;\r | |
268 | }\r | |
269 | \r | |
270 | //\r | |
271 | // The 'Asb' field (a pointer to the EFI_ATA_STATUS_BLOCK structure) in\r | |
272 | // EFI_ATA_PASS_THRU_COMMAND_PACKET is required to be aligned specified by\r | |
273 | // the 'IoAlign' field in the EFI_ATA_PASS_THRU_MODE structure. Meanwhile,\r | |
274 | // the structure EFI_ATA_STATUS_BLOCK is composed of only UINT8 fields, so it\r | |
275 | // may not be aligned when allocated on stack for some compilers. Hence, we\r | |
276 | // use the API AllocateAlignedPages to ensure this structure is properly\r | |
277 | // aligned.\r | |
278 | //\r | |
279 | Asb = AllocateAlignedPages (\r | |
280 | EFI_SIZE_TO_PAGES (sizeof (EFI_ATA_STATUS_BLOCK)),\r | |
281 | AtaPassThru->Mode->IoAlign\r | |
282 | );\r | |
283 | if (Asb == NULL) {\r | |
284 | return EFI_OUT_OF_RESOURCES;\r | |
285 | }\r | |
286 | \r | |
287 | //\r | |
288 | // Prepare for ATA command block.\r | |
289 | //\r | |
290 | ZeroMem (&Acb, sizeof (Acb));\r | |
291 | ZeroMem (Asb, sizeof (EFI_ATA_STATUS_BLOCK));\r | |
292 | Acb.AtaCommand = ATA_SECURITY_FREEZE_LOCK_CMD;\r | |
293 | Acb.AtaDeviceHead = (UINT8) (PortMultiplierPort == 0xFFFF ? 0 : (PortMultiplierPort << 4));\r | |
294 | \r | |
295 | //\r | |
296 | // Prepare for ATA pass through packet.\r | |
297 | //\r | |
298 | ZeroMem (&Packet, sizeof (Packet));\r | |
299 | Packet.Protocol = EFI_ATA_PASS_THRU_PROTOCOL_ATA_NON_DATA;\r | |
300 | Packet.Length = EFI_ATA_PASS_THRU_LENGTH_NO_DATA_TRANSFER;\r | |
301 | Packet.Asb = Asb;\r | |
302 | Packet.Acb = &Acb;\r | |
303 | Packet.Timeout = ATA_TIMEOUT;\r | |
304 | \r | |
305 | Status = AtaPassThru->PassThru (\r | |
306 | AtaPassThru,\r | |
307 | Port,\r | |
308 | PortMultiplierPort,\r | |
309 | &Packet,\r | |
310 | NULL\r | |
311 | );\r | |
312 | if (!EFI_ERROR (Status) &&\r | |
313 | ((Asb->AtaStatus & ATA_STSREG_ERR) != 0) &&\r | |
314 | ((Asb->AtaError & ATA_ERRREG_ABRT) != 0)) {\r | |
315 | Status = EFI_DEVICE_ERROR;\r | |
316 | }\r | |
317 | \r | |
318 | FreeAlignedPages (Asb, EFI_SIZE_TO_PAGES (sizeof (EFI_ATA_STATUS_BLOCK)));\r | |
319 | \r | |
320 | DEBUG ((DEBUG_INFO, "%a() - %r\n", __FUNCTION__, Status));\r | |
321 | return Status;\r | |
322 | }\r | |
323 | \r | |
324 | /**\r | |
325 | Get attached harddisk identify data through Ata Pass Thru Protocol.\r | |
326 | \r | |
327 | @param[in] AtaPassThru The pointer to the ATA_PASS_THRU protocol.\r | |
328 | @param[in] Port The port number of the ATA device to send the command.\r | |
329 | @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.\r | |
330 | If there is no port multiplier, then specify 0xFFFF.\r | |
331 | @param[in] IdentifyData The buffer to store identify data.\r | |
332 | \r | |
333 | @retval EFI_SUCCESS Successful to get identify data.\r | |
334 | @retval EFI_INVALID_PARAMETER The parameter passed-in is invalid.\r | |
335 | @retval EFI_OUT_OF_RESOURCES Not enough memory to get identify data.\r | |
336 | @retval EFI_DEVICE_ERROR Can not get identify data.\r | |
337 | \r | |
338 | **/\r | |
339 | EFI_STATUS\r | |
340 | GetHddDeviceIdentifyData (\r | |
341 | IN EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru,\r | |
342 | IN UINT16 Port,\r | |
343 | IN UINT16 PortMultiplierPort,\r | |
344 | IN ATA_IDENTIFY_DATA *IdentifyData\r | |
345 | )\r | |
346 | {\r | |
347 | EFI_STATUS Status;\r | |
348 | EFI_ATA_COMMAND_BLOCK Acb;\r | |
349 | EFI_ATA_STATUS_BLOCK *Asb;\r | |
350 | EFI_ATA_PASS_THRU_COMMAND_PACKET Packet;\r | |
351 | \r | |
352 | if ((AtaPassThru == NULL) || (IdentifyData == NULL)) {\r | |
353 | return EFI_INVALID_PARAMETER;\r | |
354 | }\r | |
355 | \r | |
356 | //\r | |
357 | // The 'Asb' field (a pointer to the EFI_ATA_STATUS_BLOCK structure) in\r | |
358 | // EFI_ATA_PASS_THRU_COMMAND_PACKET is required to be aligned specified by\r | |
359 | // the 'IoAlign' field in the EFI_ATA_PASS_THRU_MODE structure. Meanwhile,\r | |
360 | // the structure EFI_ATA_STATUS_BLOCK is composed of only UINT8 fields, so it\r | |
361 | // may not be aligned when allocated on stack for some compilers. Hence, we\r | |
362 | // use the API AllocateAlignedPages to ensure this structure is properly\r | |
363 | // aligned.\r | |
364 | //\r | |
365 | Asb = AllocateAlignedPages (\r | |
366 | EFI_SIZE_TO_PAGES (sizeof (EFI_ATA_STATUS_BLOCK)),\r | |
367 | AtaPassThru->Mode->IoAlign\r | |
368 | );\r | |
369 | if (Asb == NULL) {\r | |
370 | return EFI_OUT_OF_RESOURCES;\r | |
371 | }\r | |
372 | \r | |
373 | //\r | |
374 | // Prepare for ATA command block.\r | |
375 | //\r | |
376 | ZeroMem (&Acb, sizeof (Acb));\r | |
377 | ZeroMem (Asb, sizeof (EFI_ATA_STATUS_BLOCK));\r | |
378 | Acb.AtaCommand = ATA_CMD_IDENTIFY_DRIVE;\r | |
379 | Acb.AtaDeviceHead = (UINT8) (BIT7 | BIT6 | BIT5 | (PortMultiplierPort == 0xFFFF ? 0 : (PortMultiplierPort << 4)));\r | |
380 | \r | |
381 | //\r | |
382 | // Prepare for ATA pass through packet.\r | |
383 | //\r | |
384 | ZeroMem (&Packet, sizeof (Packet));\r | |
385 | Packet.Protocol = EFI_ATA_PASS_THRU_PROTOCOL_PIO_DATA_IN;\r | |
386 | Packet.Length = EFI_ATA_PASS_THRU_LENGTH_BYTES | EFI_ATA_PASS_THRU_LENGTH_SECTOR_COUNT;\r | |
387 | Packet.Asb = Asb;\r | |
388 | Packet.Acb = &Acb;\r | |
389 | Packet.InDataBuffer = IdentifyData;\r | |
390 | Packet.InTransferLength = sizeof (ATA_IDENTIFY_DATA);\r | |
391 | Packet.Timeout = ATA_TIMEOUT;\r | |
392 | \r | |
393 | Status = AtaPassThru->PassThru (\r | |
394 | AtaPassThru,\r | |
395 | Port,\r | |
396 | PortMultiplierPort,\r | |
397 | &Packet,\r | |
398 | NULL\r | |
399 | );\r | |
400 | \r | |
401 | FreeAlignedPages (Asb, EFI_SIZE_TO_PAGES (sizeof (EFI_ATA_STATUS_BLOCK)));\r | |
402 | \r | |
403 | return Status;\r | |
404 | }\r | |
405 | \r | |
406 | /**\r | |
407 | Parse security status according to identify data.\r | |
408 | \r | |
409 | @param[in] IdentifyData The buffer to store identify data.\r | |
410 | @param[in, out] IfrData IFR data to hold security status.\r | |
411 | \r | |
412 | **/\r | |
413 | VOID\r | |
414 | GetHddPasswordSecurityStatus (\r | |
415 | IN ATA_IDENTIFY_DATA *IdentifyData,\r | |
416 | IN OUT HDD_PASSWORD_CONFIG *IfrData\r | |
417 | )\r | |
418 | {\r | |
419 | IfrData->SecurityStatus.Supported = (IdentifyData->command_set_supported_82 & BIT1) ? 1 : 0;\r | |
420 | IfrData->SecurityStatus.Enabled = (IdentifyData->security_status & BIT1) ? 1 : 0;\r | |
421 | IfrData->SecurityStatus.Locked = (IdentifyData->security_status & BIT2) ? 1 : 0;\r | |
422 | IfrData->SecurityStatus.Frozen = (IdentifyData->security_status & BIT3) ? 1 : 0;\r | |
423 | IfrData->SecurityStatus.UserPasswordStatus = IfrData->SecurityStatus.Enabled;\r | |
424 | IfrData->SecurityStatus.MasterPasswordStatus = IfrData->SecurityStatus.Supported;\r | |
425 | \r | |
426 | DEBUG ((DEBUG_INFO, "IfrData->SecurityStatus.Supported = %x\n", IfrData->SecurityStatus.Supported));\r | |
427 | DEBUG ((DEBUG_INFO, "IfrData->SecurityStatus.Enabled = %x\n", IfrData->SecurityStatus.Enabled));\r | |
428 | DEBUG ((DEBUG_INFO, "IfrData->SecurityStatus.Locked = %x\n", IfrData->SecurityStatus.Locked));\r | |
429 | DEBUG ((DEBUG_INFO, "IfrData->SecurityStatus.Frozen = %x\n", IfrData->SecurityStatus.Frozen));\r | |
430 | DEBUG ((DEBUG_INFO, "IfrData->SecurityStatus.UserPasswordStatus = %x\n", IfrData->SecurityStatus.UserPasswordStatus));\r | |
431 | DEBUG ((DEBUG_INFO, "IfrData->SecurityStatus.MasterPasswordStatus = %x\n", IfrData->SecurityStatus.MasterPasswordStatus));\r | |
432 | }\r | |
433 | \r | |
434 | /**\r | |
435 | Notification function of EFI_END_OF_DXE_EVENT_GROUP_GUID event group.\r | |
436 | \r | |
437 | This is a notification function registered on EFI_END_OF_DXE_EVENT_GROUP_GUID event group.\r | |
438 | \r | |
439 | @param Event Event whose notification function is being invoked.\r | |
440 | @param Context Pointer to the notification function's context.\r | |
441 | \r | |
442 | **/\r | |
443 | VOID\r | |
444 | EFIAPI\r | |
445 | HddPasswordEndOfDxeEventNotify (\r | |
446 | EFI_EVENT Event,\r | |
447 | VOID *Context\r | |
448 | )\r | |
449 | {\r | |
450 | LIST_ENTRY *Entry;\r | |
451 | HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry;\r | |
452 | EFI_STATUS Status;\r | |
453 | ATA_IDENTIFY_DATA IdentifyData;\r | |
454 | \r | |
455 | DEBUG ((DEBUG_INFO, "%a() - enter\n", __FUNCTION__));\r | |
456 | \r | |
457 | mHddPasswordEndOfDxe = TRUE;\r | |
458 | \r | |
459 | if (mHddPasswordRequestVariable != NULL) {\r | |
460 | //\r | |
461 | // Free the HDD password request variable buffer here\r | |
462 | // as the HDD password requests should have been processed.\r | |
463 | //\r | |
464 | FreePool (mHddPasswordRequestVariable);\r | |
465 | mHddPasswordRequestVariable = NULL;\r | |
466 | mHddPasswordRequestVariableSize = 0;\r | |
467 | }\r | |
468 | \r | |
469 | //\r | |
470 | // If no any device, return directly.\r | |
471 | //\r | |
472 | if (IsListEmpty (&mHddPasswordConfigFormList)) {\r | |
473 | gBS->CloseEvent (Event);\r | |
474 | return;\r | |
475 | }\r | |
476 | \r | |
477 | BuildHddPasswordDeviceInfo ();\r | |
478 | \r | |
479 | //\r | |
480 | // Zero passsword and freeze lock device.\r | |
481 | //\r | |
482 | EFI_LIST_FOR_EACH (Entry, &mHddPasswordConfigFormList) {\r | |
483 | ConfigFormEntry = BASE_CR (Entry, HDD_PASSWORD_CONFIG_FORM_ENTRY, Link);\r | |
484 | \r | |
485 | ZeroMem (ConfigFormEntry->Password, HDD_PASSWORD_MAX_LENGTH);\r | |
486 | \r | |
487 | //\r | |
488 | // Check whether need send freeze lock command.\r | |
489 | // Below device will be froze:\r | |
490 | // 1. Device not enable password.\r | |
491 | // 2. Device enable password and unlocked.\r | |
492 | //\r | |
493 | if ((ConfigFormEntry->IfrData.SecurityStatus.Supported != 0) &&\r | |
494 | (ConfigFormEntry->IfrData.SecurityStatus.Locked == 0) &&\r | |
495 | (ConfigFormEntry->IfrData.SecurityStatus.Frozen == 0)) {\r | |
496 | Status = FreezeLockDevice (ConfigFormEntry->AtaPassThru, ConfigFormEntry->Port, ConfigFormEntry->PortMultiplierPort);\r | |
497 | DEBUG ((DEBUG_INFO, "FreezeLockDevice return %r!\n", Status));\r | |
498 | Status = GetHddDeviceIdentifyData (\r | |
499 | ConfigFormEntry->AtaPassThru,\r | |
500 | ConfigFormEntry->Port,\r | |
501 | ConfigFormEntry->PortMultiplierPort,\r | |
502 | &IdentifyData\r | |
503 | );\r | |
504 | GetHddPasswordSecurityStatus (&IdentifyData, &ConfigFormEntry->IfrData);\r | |
505 | }\r | |
506 | }\r | |
507 | \r | |
508 | DEBUG ((DEBUG_INFO, "%a() - exit\n", __FUNCTION__));\r | |
509 | \r | |
510 | gBS->CloseEvent (Event);\r | |
511 | }\r | |
512 | \r | |
513 | /**\r | |
514 | Generate Salt value.\r | |
515 | \r | |
516 | @param[in, out] SaltValue Points to the salt buffer, 32 bytes\r | |
517 | \r | |
518 | **/\r | |
519 | VOID\r | |
520 | GenSalt (\r | |
521 | IN OUT UINT8 *SaltValue\r | |
522 | )\r | |
523 | {\r | |
524 | RandomSeed (NULL, 0);\r | |
525 | RandomBytes (SaltValue, PASSWORD_SALT_SIZE);\r | |
526 | }\r | |
527 | \r | |
528 | /**\r | |
529 | Hash the data to get credential.\r | |
530 | \r | |
531 | @param[in] Buffer Points to the data buffer\r | |
532 | @param[in] BufferSize Buffer size\r | |
533 | @param[in] SaltValue Points to the salt buffer, 32 bytes\r | |
534 | @param[out] Credential Points to the hashed result\r | |
535 | \r | |
536 | @retval TRUE Hash the data successfully.\r | |
537 | @retval FALSE Failed to hash the data.\r | |
538 | \r | |
539 | **/\r | |
540 | BOOLEAN\r | |
541 | GenerateCredential (\r | |
542 | IN UINT8 *Buffer,\r | |
543 | IN UINTN BufferSize,\r | |
544 | IN UINT8 *SaltValue,\r | |
545 | OUT UINT8 *Credential\r | |
546 | )\r | |
547 | {\r | |
548 | BOOLEAN Status;\r | |
549 | UINTN HashSize;\r | |
550 | VOID *Hash;\r | |
551 | VOID *HashData;\r | |
552 | \r | |
553 | Hash = NULL;\r | |
554 | HashData = NULL;\r | |
555 | Status = FALSE;\r | |
556 | \r | |
557 | HashSize = Sha256GetContextSize ();\r | |
558 | Hash = AllocateZeroPool (HashSize);\r | |
559 | ASSERT (Hash != NULL);\r | |
560 | if (Hash == NULL) {\r | |
561 | goto Done;\r | |
562 | }\r | |
563 | \r | |
564 | Status = Sha256Init (Hash);\r | |
565 | if (!Status) {\r | |
566 | goto Done;\r | |
567 | }\r | |
568 | \r | |
569 | HashData = AllocateZeroPool (PASSWORD_SALT_SIZE + BufferSize);\r | |
570 | ASSERT (HashData != NULL);\r | |
571 | if (HashData == NULL) {\r | |
572 | goto Done;\r | |
573 | }\r | |
574 | \r | |
575 | CopyMem (HashData, SaltValue, PASSWORD_SALT_SIZE);\r | |
576 | CopyMem ((UINT8 *) HashData + PASSWORD_SALT_SIZE, Buffer, BufferSize);\r | |
577 | \r | |
578 | Status = Sha256Update (Hash, HashData, PASSWORD_SALT_SIZE + BufferSize);\r | |
579 | if (!Status) {\r | |
580 | goto Done;\r | |
581 | }\r | |
582 | \r | |
583 | Status = Sha256Final (Hash, Credential);\r | |
584 | \r | |
585 | Done:\r | |
586 | if (Hash != NULL) {\r | |
587 | FreePool (Hash);\r | |
588 | }\r | |
589 | if (HashData != NULL) {\r | |
590 | ZeroMem (HashData, PASSWORD_SALT_SIZE + BufferSize);\r | |
591 | FreePool (HashData);\r | |
592 | }\r | |
593 | return Status;\r | |
594 | }\r | |
595 | \r | |
596 | /**\r | |
597 | Save HDD password variable that will be used to validate HDD password\r | |
598 | when the device is at frozen state.\r | |
599 | \r | |
600 | @param[in] ConfigFormEntry The HDD Password configuration form entry.\r | |
601 | @param[in] Password The hdd password of attached ATA device.\r | |
602 | \r | |
603 | **/\r | |
604 | VOID\r | |
605 | SaveHddPasswordVariable (\r | |
606 | IN HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry,\r | |
607 | IN CHAR8 *Password\r | |
608 | )\r | |
609 | {\r | |
610 | EFI_STATUS Status;\r | |
611 | HDD_PASSWORD_VARIABLE *TempVariable;\r | |
612 | UINTN TempVariableSize;\r | |
613 | HDD_PASSWORD_VARIABLE *NextNode;\r | |
614 | HDD_PASSWORD_VARIABLE *Variable;\r | |
615 | UINTN VariableSize;\r | |
616 | HDD_PASSWORD_VARIABLE *NewVariable;\r | |
617 | UINTN NewVariableSize;\r | |
618 | BOOLEAN Delete;\r | |
619 | BOOLEAN HashOk;\r | |
620 | UINT8 HashData[SHA256_DIGEST_SIZE];\r | |
621 | UINT8 SaltData[PASSWORD_SALT_SIZE];\r | |
622 | \r | |
623 | DEBUG ((DEBUG_INFO, "%a() - enter\n", __FUNCTION__));\r | |
624 | \r | |
625 | Delete = FALSE;\r | |
626 | if (!PasswordIsFullZero (Password)) {\r | |
627 | //\r | |
628 | // It is Set/Update HDD Password.\r | |
629 | //\r | |
630 | ZeroMem (HashData, sizeof (HashData));\r | |
631 | ZeroMem (SaltData, sizeof (SaltData));\r | |
632 | GenSalt (SaltData);\r | |
633 | HashOk = GenerateCredential ((UINT8 *) Password, HDD_PASSWORD_MAX_LENGTH, SaltData, HashData);\r | |
634 | if (!HashOk) {\r | |
635 | DEBUG ((DEBUG_INFO, "GenerateCredential failed\n"));\r | |
636 | return;\r | |
637 | }\r | |
638 | } else {\r | |
639 | //\r | |
640 | // It is Disable HDD Password.\r | |
641 | // Go to delete the variable node for the HDD password device.\r | |
642 | //\r | |
643 | Delete = TRUE;\r | |
644 | }\r | |
645 | \r | |
646 | Variable = NULL;\r | |
647 | VariableSize = 0;\r | |
648 | NewVariable = NULL;\r | |
649 | NewVariableSize = 0;\r | |
650 | \r | |
651 | Status = GetVariable2 (\r | |
652 | HDD_PASSWORD_VARIABLE_NAME,\r | |
653 | &mHddPasswordVendorGuid,\r | |
654 | (VOID **) &Variable,\r | |
655 | &VariableSize\r | |
656 | );\r | |
657 | if (Delete) {\r | |
658 | if (!EFI_ERROR (Status) && (Variable != NULL)) {\r | |
659 | TempVariable = Variable;\r | |
660 | TempVariableSize = VariableSize;\r | |
661 | while (TempVariableSize >= sizeof (HDD_PASSWORD_VARIABLE)) {\r | |
662 | if ((TempVariable->Device.Bus == ConfigFormEntry->Bus) &&\r | |
663 | (TempVariable->Device.Device == ConfigFormEntry->Device) &&\r | |
664 | (TempVariable->Device.Function == ConfigFormEntry->Function) &&\r | |
665 | (TempVariable->Device.Port == ConfigFormEntry->Port) &&\r | |
666 | (TempVariable->Device.PortMultiplierPort == ConfigFormEntry->PortMultiplierPort)) {\r | |
667 | //\r | |
668 | // Found the node for the HDD password device.\r | |
669 | // Delete the node.\r | |
670 | //\r | |
671 | NextNode = TempVariable + 1;\r | |
672 | CopyMem (TempVariable, NextNode, (UINTN) Variable + VariableSize - (UINTN) NextNode);\r | |
673 | NewVariable = Variable;\r | |
674 | NewVariableSize = VariableSize - sizeof (HDD_PASSWORD_VARIABLE);\r | |
675 | break;\r | |
676 | }\r | |
677 | TempVariableSize -= sizeof (HDD_PASSWORD_VARIABLE);\r | |
678 | TempVariable += 1;\r | |
679 | }\r | |
680 | if (NewVariable == NULL) {\r | |
681 | DEBUG ((DEBUG_INFO, "The variable node for the HDD password device is not found\n"));\r | |
682 | }\r | |
683 | } else {\r | |
684 | DEBUG ((DEBUG_INFO, "HddPassword variable get failed (%r)\n", Status));\r | |
685 | }\r | |
686 | } else {\r | |
687 | if (!EFI_ERROR (Status) && (Variable != NULL)) {\r | |
688 | TempVariable = Variable;\r | |
689 | TempVariableSize = VariableSize;\r | |
690 | while (TempVariableSize >= sizeof (HDD_PASSWORD_VARIABLE)) {\r | |
691 | if ((TempVariable->Device.Bus == ConfigFormEntry->Bus) &&\r | |
692 | (TempVariable->Device.Device == ConfigFormEntry->Device) &&\r | |
693 | (TempVariable->Device.Function == ConfigFormEntry->Function) &&\r | |
694 | (TempVariable->Device.Port == ConfigFormEntry->Port) &&\r | |
695 | (TempVariable->Device.PortMultiplierPort == ConfigFormEntry->PortMultiplierPort)) {\r | |
696 | //\r | |
697 | // Found the node for the HDD password device.\r | |
698 | // Update the node.\r | |
699 | //\r | |
700 | CopyMem (TempVariable->PasswordHash, HashData, sizeof (HashData));\r | |
701 | CopyMem (TempVariable->PasswordSalt, SaltData, sizeof (SaltData));\r | |
702 | NewVariable = Variable;\r | |
703 | NewVariableSize = VariableSize;\r | |
704 | break;\r | |
705 | }\r | |
706 | TempVariableSize -= sizeof (HDD_PASSWORD_VARIABLE);\r | |
707 | TempVariable += 1;\r | |
708 | }\r | |
709 | if (NewVariable == NULL) {\r | |
710 | //\r | |
711 | // The node for the HDD password device is not found.\r | |
712 | // Create node for the HDD password device.\r | |
713 | //\r | |
714 | NewVariableSize = VariableSize + sizeof (HDD_PASSWORD_VARIABLE);\r | |
715 | NewVariable = AllocateZeroPool (NewVariableSize);\r | |
716 | ASSERT (NewVariable != NULL);\r | |
717 | CopyMem (NewVariable, Variable, VariableSize);\r | |
718 | TempVariable = (HDD_PASSWORD_VARIABLE *) ((UINTN) NewVariable + VariableSize);\r | |
719 | TempVariable->Device.Bus = (UINT8) ConfigFormEntry->Bus;\r | |
720 | TempVariable->Device.Device = (UINT8) ConfigFormEntry->Device;\r | |
721 | TempVariable->Device.Function = (UINT8) ConfigFormEntry->Function;\r | |
722 | TempVariable->Device.Port = ConfigFormEntry->Port;\r | |
723 | TempVariable->Device.PortMultiplierPort = ConfigFormEntry->PortMultiplierPort;\r | |
724 | CopyMem (TempVariable->PasswordHash, HashData, sizeof (HashData));\r | |
725 | CopyMem (TempVariable->PasswordSalt, SaltData, sizeof (SaltData));\r | |
726 | }\r | |
727 | } else {\r | |
728 | NewVariableSize = sizeof (HDD_PASSWORD_VARIABLE);\r | |
729 | NewVariable = AllocateZeroPool (NewVariableSize);\r | |
730 | ASSERT (NewVariable != NULL);\r | |
731 | NewVariable->Device.Bus = (UINT8) ConfigFormEntry->Bus;\r | |
732 | NewVariable->Device.Device = (UINT8) ConfigFormEntry->Device;\r | |
733 | NewVariable->Device.Function = (UINT8) ConfigFormEntry->Function;\r | |
734 | NewVariable->Device.Port = ConfigFormEntry->Port;\r | |
735 | NewVariable->Device.PortMultiplierPort = ConfigFormEntry->PortMultiplierPort;\r | |
736 | CopyMem (NewVariable->PasswordHash, HashData, sizeof (HashData));\r | |
737 | CopyMem (NewVariable->PasswordSalt, SaltData, sizeof (SaltData));\r | |
738 | }\r | |
739 | }\r | |
740 | \r | |
741 | if (NewVariable != NULL) {\r | |
742 | Status = gRT->SetVariable (\r | |
743 | HDD_PASSWORD_VARIABLE_NAME,\r | |
744 | &mHddPasswordVendorGuid,\r | |
745 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
746 | NewVariableSize,\r | |
747 | NewVariable\r | |
748 | );\r | |
749 | if (EFI_ERROR (Status)) {\r | |
750 | DEBUG ((DEBUG_INFO, "HddPassword variable set failed (%r)\n", Status));\r | |
751 | }\r | |
752 | }\r | |
753 | \r | |
754 | if (NewVariable != Variable) {\r | |
755 | FreePool (NewVariable);\r | |
756 | }\r | |
757 | if (Variable != NULL) {\r | |
758 | FreePool (Variable);\r | |
759 | }\r | |
760 | \r | |
761 | DEBUG ((DEBUG_INFO, "%a() - exit\n", __FUNCTION__));\r | |
762 | }\r | |
763 | \r | |
764 | /**\r | |
765 | Get saved HDD password variable that will be used to validate HDD password\r | |
766 | when the device is at frozen state.\r | |
767 | \r | |
768 | @param[in] ConfigFormEntry The HDD Password configuration form entry.\r | |
769 | @param[out] HddPasswordVariable The variable node for the HDD password device.\r | |
770 | \r | |
771 | @retval TRUE The variable node for the HDD password device is found and returned.\r | |
772 | @retval FALSE The variable node for the HDD password device is not found.\r | |
773 | \r | |
774 | **/\r | |
775 | BOOLEAN\r | |
776 | GetSavedHddPasswordVariable (\r | |
777 | IN HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry,\r | |
778 | OUT HDD_PASSWORD_VARIABLE *HddPasswordVariable\r | |
779 | )\r | |
780 | {\r | |
781 | EFI_STATUS Status;\r | |
782 | HDD_PASSWORD_VARIABLE *TempVariable;\r | |
783 | HDD_PASSWORD_VARIABLE *Variable;\r | |
784 | UINTN VariableSize;\r | |
785 | BOOLEAN Found;\r | |
786 | \r | |
787 | DEBUG ((DEBUG_INFO, "%a() - enter\n", __FUNCTION__));\r | |
788 | \r | |
789 | Variable = NULL;\r | |
790 | VariableSize = 0;\r | |
791 | \r | |
792 | Status = GetVariable2 (\r | |
793 | HDD_PASSWORD_VARIABLE_NAME,\r | |
794 | &mHddPasswordVendorGuid,\r | |
795 | (VOID **) &Variable,\r | |
796 | &VariableSize\r | |
797 | );\r | |
798 | if (EFI_ERROR (Status) || (Variable == NULL)) {\r | |
799 | DEBUG ((DEBUG_INFO, "HddPassword variable get failed (%r)\n", Status));\r | |
800 | return FALSE;\r | |
801 | }\r | |
802 | \r | |
803 | Found = FALSE;\r | |
804 | TempVariable = Variable;\r | |
805 | while (VariableSize >= sizeof (HDD_PASSWORD_VARIABLE)) {\r | |
806 | if ((TempVariable->Device.Bus == ConfigFormEntry->Bus) &&\r | |
807 | (TempVariable->Device.Device == ConfigFormEntry->Device) &&\r | |
808 | (TempVariable->Device.Function == ConfigFormEntry->Function) &&\r | |
809 | (TempVariable->Device.Port == ConfigFormEntry->Port) &&\r | |
810 | (TempVariable->Device.PortMultiplierPort == ConfigFormEntry->PortMultiplierPort)) {\r | |
811 | //\r | |
812 | // Found the node for the HDD password device.\r | |
813 | // Get the node.\r | |
814 | //\r | |
815 | CopyMem (HddPasswordVariable, TempVariable, sizeof (HDD_PASSWORD_VARIABLE));\r | |
816 | Found = TRUE;\r | |
817 | break;\r | |
818 | }\r | |
819 | VariableSize -= sizeof (HDD_PASSWORD_VARIABLE);\r | |
820 | TempVariable += 1;\r | |
821 | }\r | |
822 | \r | |
823 | FreePool (Variable);\r | |
824 | \r | |
825 | if (!Found) {\r | |
826 | DEBUG ((DEBUG_INFO, "The variable node for the HDD password device is not found\n"));\r | |
827 | }\r | |
828 | \r | |
829 | DEBUG ((DEBUG_INFO, "%a() - exit\n", __FUNCTION__));\r | |
830 | \r | |
831 | return Found;\r | |
832 | }\r | |
833 | \r | |
834 | /**\r | |
835 | Use saved HDD password variable to validate HDD password\r | |
836 | when the device is at frozen state.\r | |
837 | \r | |
838 | @param[in] ConfigFormEntry The HDD Password configuration form entry.\r | |
839 | @param[in] Password The hdd password of attached ATA device.\r | |
840 | \r | |
841 | @retval EFI_SUCCESS Pass to validate the HDD password.\r | |
842 | @retval EFI_NOT_FOUND The variable node for the HDD password device is not found.\r | |
843 | @retval EFI_DEVICE_ERROR Failed to generate credential for the HDD password.\r | |
844 | @retval EFI_INVALID_PARAMETER Failed to validate the HDD password.\r | |
845 | \r | |
846 | **/\r | |
847 | EFI_STATUS\r | |
848 | ValidateHddPassword (\r | |
849 | IN HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry,\r | |
850 | IN CHAR8 *Password\r | |
851 | )\r | |
852 | {\r | |
853 | EFI_STATUS Status;\r | |
854 | HDD_PASSWORD_VARIABLE HddPasswordVariable;\r | |
855 | BOOLEAN HashOk;\r | |
856 | UINT8 HashData[SHA256_DIGEST_SIZE];\r | |
857 | \r | |
858 | DEBUG ((DEBUG_INFO, "%a() - enter\n", __FUNCTION__));\r | |
859 | \r | |
860 | if (!GetSavedHddPasswordVariable (ConfigFormEntry, &HddPasswordVariable)) {\r | |
861 | DEBUG ((DEBUG_INFO, "GetSavedHddPasswordVariable failed\n"));\r | |
862 | return EFI_NOT_FOUND;\r | |
863 | }\r | |
864 | \r | |
865 | ZeroMem (HashData, sizeof (HashData));\r | |
866 | HashOk = GenerateCredential ((UINT8 *) Password, HDD_PASSWORD_MAX_LENGTH, HddPasswordVariable.PasswordSalt, HashData);\r | |
867 | if (!HashOk) {\r | |
868 | DEBUG ((DEBUG_INFO, "GenerateCredential failed\n"));\r | |
869 | return EFI_DEVICE_ERROR;\r | |
870 | }\r | |
871 | \r | |
872 | if (CompareMem (HddPasswordVariable.PasswordHash, HashData, sizeof (HashData)) != 0) {\r | |
873 | Status = EFI_INVALID_PARAMETER;\r | |
874 | } else {\r | |
875 | Status = EFI_SUCCESS;\r | |
876 | }\r | |
877 | \r | |
878 | DEBUG ((DEBUG_INFO, "%a() - exit (%r)\n", __FUNCTION__, Status));\r | |
879 | return Status;\r | |
880 | }\r | |
881 | \r | |
882 | /**\r | |
883 | Send unlock hdd password cmd through Ata Pass Thru Protocol.\r | |
884 | \r | |
885 | @param[in] AtaPassThru The pointer to the ATA_PASS_THRU protocol.\r | |
886 | @param[in] Port The port number of the ATA device to send the command.\r | |
887 | @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.\r | |
888 | If there is no port multiplier, then specify 0xFFFF.\r | |
889 | @param[in] Identifier The identifier to set user or master password.\r | |
890 | @param[in] Password The hdd password of attached ATA device.\r | |
891 | \r | |
892 | @retval EFI_SUCCESS Successful to send unlock hdd password cmd.\r | |
893 | @retval EFI_INVALID_PARAMETER The parameter passed-in is invalid.\r | |
894 | @retval EFI_OUT_OF_RESOURCES Not enough memory to send unlock hdd password cmd.\r | |
895 | @retval EFI_DEVICE_ERROR Can not send unlock hdd password cmd.\r | |
896 | \r | |
897 | **/\r | |
898 | EFI_STATUS\r | |
899 | UnlockHddPassword (\r | |
900 | IN EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru,\r | |
901 | IN UINT16 Port,\r | |
902 | IN UINT16 PortMultiplierPort,\r | |
903 | IN CHAR8 Identifier,\r | |
904 | IN CHAR8 *Password\r | |
905 | )\r | |
906 | {\r | |
907 | EFI_STATUS Status;\r | |
908 | EFI_ATA_COMMAND_BLOCK Acb;\r | |
909 | EFI_ATA_STATUS_BLOCK *Asb;\r | |
910 | EFI_ATA_PASS_THRU_COMMAND_PACKET Packet;\r | |
911 | UINT8 Buffer[HDD_PAYLOAD];\r | |
912 | \r | |
913 | if ((AtaPassThru == NULL) || (Password == NULL)) {\r | |
914 | return EFI_INVALID_PARAMETER;\r | |
915 | }\r | |
916 | \r | |
917 | //\r | |
918 | // The 'Asb' field (a pointer to the EFI_ATA_STATUS_BLOCK structure) in\r | |
919 | // EFI_ATA_PASS_THRU_COMMAND_PACKET is required to be aligned specified by\r | |
920 | // the 'IoAlign' field in the EFI_ATA_PASS_THRU_MODE structure. Meanwhile,\r | |
921 | // the structure EFI_ATA_STATUS_BLOCK is composed of only UINT8 fields, so it\r | |
922 | // may not be aligned when allocated on stack for some compilers. Hence, we\r | |
923 | // use the API AllocateAlignedPages to ensure this structure is properly\r | |
924 | // aligned.\r | |
925 | //\r | |
926 | Asb = AllocateAlignedPages (\r | |
927 | EFI_SIZE_TO_PAGES (sizeof (EFI_ATA_STATUS_BLOCK)),\r | |
928 | AtaPassThru->Mode->IoAlign\r | |
929 | );\r | |
930 | if (Asb == NULL) {\r | |
931 | return EFI_OUT_OF_RESOURCES;\r | |
932 | }\r | |
933 | \r | |
934 | //\r | |
935 | // Prepare for ATA command block.\r | |
936 | //\r | |
937 | ZeroMem (&Acb, sizeof (Acb));\r | |
938 | ZeroMem (Asb, sizeof (EFI_ATA_STATUS_BLOCK));\r | |
939 | Acb.AtaCommand = ATA_SECURITY_UNLOCK_CMD;\r | |
940 | Acb.AtaDeviceHead = (UINT8) (PortMultiplierPort == 0xFFFF ? 0 : (PortMultiplierPort << 4));\r | |
941 | \r | |
942 | //\r | |
943 | // Prepare for ATA pass through packet.\r | |
944 | //\r | |
945 | ZeroMem (&Packet, sizeof (Packet));\r | |
946 | Packet.Protocol = EFI_ATA_PASS_THRU_PROTOCOL_PIO_DATA_OUT;\r | |
947 | Packet.Length = EFI_ATA_PASS_THRU_LENGTH_BYTES;\r | |
948 | Packet.Asb = Asb;\r | |
949 | Packet.Acb = &Acb;\r | |
950 | \r | |
951 | ((CHAR16 *) Buffer)[0] = Identifier & BIT0;\r | |
952 | CopyMem (&((CHAR16 *) Buffer)[1], Password, HDD_PASSWORD_MAX_LENGTH);\r | |
953 | \r | |
954 | Packet.OutDataBuffer = Buffer;\r | |
955 | Packet.OutTransferLength = sizeof (Buffer);\r | |
956 | Packet.Timeout = ATA_TIMEOUT;\r | |
957 | \r | |
958 | Status = AtaPassThru->PassThru (\r | |
959 | AtaPassThru,\r | |
960 | Port,\r | |
961 | PortMultiplierPort,\r | |
962 | &Packet,\r | |
963 | NULL\r | |
964 | );\r | |
965 | if (!EFI_ERROR (Status) &&\r | |
966 | ((Asb->AtaStatus & ATA_STSREG_ERR) != 0) &&\r | |
967 | ((Asb->AtaError & ATA_ERRREG_ABRT) != 0)) {\r | |
968 | Status = EFI_DEVICE_ERROR;\r | |
969 | }\r | |
970 | \r | |
971 | FreeAlignedPages (Asb, EFI_SIZE_TO_PAGES (sizeof (EFI_ATA_STATUS_BLOCK)));\r | |
972 | \r | |
973 | ZeroMem (Buffer, sizeof (Buffer));\r | |
974 | \r | |
975 | DEBUG ((DEBUG_INFO, "%a() - %r\n", __FUNCTION__, Status));\r | |
976 | return Status;\r | |
977 | }\r | |
978 | \r | |
979 | /**\r | |
980 | Send disable hdd password cmd through Ata Pass Thru Protocol.\r | |
981 | \r | |
982 | @param[in] AtaPassThru The pointer to the ATA_PASS_THRU protocol.\r | |
983 | @param[in] Port The port number of the ATA device to send the command.\r | |
984 | @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.\r | |
985 | If there is no port multiplier, then specify 0xFFFF.\r | |
986 | @param[in] Identifier The identifier to set user or master password.\r | |
987 | @param[in] Password The hdd password of attached ATA device.\r | |
988 | \r | |
989 | @retval EFI_SUCCESS Successful to disable hdd password cmd.\r | |
990 | @retval EFI_INVALID_PARAMETER The parameter passed-in is invalid.\r | |
991 | @retval EFI_OUT_OF_RESOURCES Not enough memory to disable hdd password cmd.\r | |
992 | @retval EFI_DEVICE_ERROR Can not disable hdd password cmd.\r | |
993 | \r | |
994 | **/\r | |
995 | EFI_STATUS\r | |
996 | DisableHddPassword (\r | |
997 | IN EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru,\r | |
998 | IN UINT16 Port,\r | |
999 | IN UINT16 PortMultiplierPort,\r | |
1000 | IN CHAR8 Identifier,\r | |
1001 | IN CHAR8 *Password\r | |
1002 | )\r | |
1003 | {\r | |
1004 | EFI_STATUS Status;\r | |
1005 | EFI_ATA_COMMAND_BLOCK Acb;\r | |
1006 | EFI_ATA_STATUS_BLOCK *Asb;\r | |
1007 | EFI_ATA_PASS_THRU_COMMAND_PACKET Packet;\r | |
1008 | UINT8 Buffer[HDD_PAYLOAD];\r | |
1009 | \r | |
1010 | if ((AtaPassThru == NULL) || (Password == NULL)) {\r | |
1011 | return EFI_INVALID_PARAMETER;\r | |
1012 | }\r | |
1013 | \r | |
1014 | //\r | |
1015 | // The 'Asb' field (a pointer to the EFI_ATA_STATUS_BLOCK structure) in\r | |
1016 | // EFI_ATA_PASS_THRU_COMMAND_PACKET is required to be aligned specified by\r | |
1017 | // the 'IoAlign' field in the EFI_ATA_PASS_THRU_MODE structure. Meanwhile,\r | |
1018 | // the structure EFI_ATA_STATUS_BLOCK is composed of only UINT8 fields, so it\r | |
1019 | // may not be aligned when allocated on stack for some compilers. Hence, we\r | |
1020 | // use the API AllocateAlignedPages to ensure this structure is properly\r | |
1021 | // aligned.\r | |
1022 | //\r | |
1023 | Asb = AllocateAlignedPages (\r | |
1024 | EFI_SIZE_TO_PAGES (sizeof (EFI_ATA_STATUS_BLOCK)),\r | |
1025 | AtaPassThru->Mode->IoAlign\r | |
1026 | );\r | |
1027 | if (Asb == NULL) {\r | |
1028 | return EFI_OUT_OF_RESOURCES;\r | |
1029 | }\r | |
1030 | \r | |
1031 | //\r | |
1032 | // Prepare for ATA command block.\r | |
1033 | //\r | |
1034 | ZeroMem (&Acb, sizeof (Acb));\r | |
1035 | ZeroMem (Asb, sizeof (EFI_ATA_STATUS_BLOCK));\r | |
1036 | Acb.AtaCommand = ATA_SECURITY_DIS_PASSWORD_CMD;\r | |
1037 | Acb.AtaDeviceHead = (UINT8) (PortMultiplierPort == 0xFFFF ? 0 : (PortMultiplierPort << 4));\r | |
1038 | \r | |
1039 | //\r | |
1040 | // Prepare for ATA pass through packet.\r | |
1041 | //\r | |
1042 | ZeroMem (&Packet, sizeof (Packet));\r | |
1043 | Packet.Protocol = EFI_ATA_PASS_THRU_PROTOCOL_PIO_DATA_OUT;\r | |
1044 | Packet.Length = EFI_ATA_PASS_THRU_LENGTH_BYTES;\r | |
1045 | Packet.Asb = Asb;\r | |
1046 | Packet.Acb = &Acb;\r | |
1047 | \r | |
1048 | ((CHAR16 *) Buffer)[0] = Identifier & BIT0;\r | |
1049 | CopyMem (&((CHAR16 *) Buffer)[1], Password, HDD_PASSWORD_MAX_LENGTH);\r | |
1050 | \r | |
1051 | Packet.OutDataBuffer = Buffer;\r | |
1052 | Packet.OutTransferLength = sizeof (Buffer);\r | |
1053 | Packet.Timeout = ATA_TIMEOUT;\r | |
1054 | \r | |
1055 | Status = AtaPassThru->PassThru (\r | |
1056 | AtaPassThru,\r | |
1057 | Port,\r | |
1058 | PortMultiplierPort,\r | |
1059 | &Packet,\r | |
1060 | NULL\r | |
1061 | );\r | |
1062 | if (!EFI_ERROR (Status) &&\r | |
1063 | ((Asb->AtaStatus & ATA_STSREG_ERR) != 0) &&\r | |
1064 | ((Asb->AtaError & ATA_ERRREG_ABRT) != 0)) {\r | |
1065 | Status = EFI_DEVICE_ERROR;\r | |
1066 | }\r | |
1067 | \r | |
1068 | FreeAlignedPages (Asb, EFI_SIZE_TO_PAGES (sizeof (EFI_ATA_STATUS_BLOCK)));\r | |
1069 | \r | |
1070 | ZeroMem (Buffer, sizeof (Buffer));\r | |
1071 | \r | |
1072 | DEBUG ((DEBUG_INFO, "%a() - %r\n", __FUNCTION__, Status));\r | |
1073 | return Status;\r | |
1074 | }\r | |
1075 | \r | |
1076 | /**\r | |
1077 | Send set hdd password cmd through Ata Pass Thru Protocol.\r | |
1078 | \r | |
1079 | @param[in] AtaPassThru The pointer to the ATA_PASS_THRU protocol.\r | |
1080 | @param[in] Port The port number of the ATA device to send the command.\r | |
1081 | @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.\r | |
1082 | If there is no port multiplier, then specify 0xFFFF.\r | |
1083 | @param[in] Identifier The identifier to set user or master password.\r | |
1084 | @param[in] SecurityLevel The security level to be set to device.\r | |
1085 | @param[in] MasterPasswordIdentifier The master password identifier to be set to device.\r | |
1086 | @param[in] Password The hdd password of attached ATA device.\r | |
1087 | \r | |
1088 | @retval EFI_SUCCESS Successful to set hdd password cmd.\r | |
1089 | @retval EFI_INVALID_PARAMETER The parameter passed-in is invalid.\r | |
1090 | @retval EFI_OUT_OF_RESOURCES Not enough memory to set hdd password cmd.\r | |
1091 | @retval EFI_DEVICE_ERROR Can not set hdd password cmd.\r | |
1092 | \r | |
1093 | **/\r | |
1094 | EFI_STATUS\r | |
1095 | SetHddPassword (\r | |
1096 | IN EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru,\r | |
1097 | IN UINT16 Port,\r | |
1098 | IN UINT16 PortMultiplierPort,\r | |
1099 | IN CHAR8 Identifier,\r | |
1100 | IN CHAR8 SecurityLevel,\r | |
1101 | IN CHAR16 MasterPasswordIdentifier,\r | |
1102 | IN CHAR8 *Password\r | |
1103 | )\r | |
1104 | {\r | |
1105 | EFI_STATUS Status;\r | |
1106 | EFI_ATA_COMMAND_BLOCK Acb;\r | |
1107 | EFI_ATA_STATUS_BLOCK *Asb;\r | |
1108 | EFI_ATA_PASS_THRU_COMMAND_PACKET Packet;\r | |
1109 | UINT8 Buffer[HDD_PAYLOAD];\r | |
1110 | \r | |
1111 | if ((AtaPassThru == NULL) || (Password == NULL)) {\r | |
1112 | return EFI_INVALID_PARAMETER;\r | |
1113 | }\r | |
1114 | \r | |
1115 | //\r | |
1116 | // The 'Asb' field (a pointer to the EFI_ATA_STATUS_BLOCK structure) in\r | |
1117 | // EFI_ATA_PASS_THRU_COMMAND_PACKET is required to be aligned specified by\r | |
1118 | // the 'IoAlign' field in the EFI_ATA_PASS_THRU_MODE structure. Meanwhile,\r | |
1119 | // the structure EFI_ATA_STATUS_BLOCK is composed of only UINT8 fields, so it\r | |
1120 | // may not be aligned when allocated on stack for some compilers. Hence, we\r | |
1121 | // use the API AllocateAlignedPages to ensure this structure is properly\r | |
1122 | // aligned.\r | |
1123 | //\r | |
1124 | Asb = AllocateAlignedPages (\r | |
1125 | EFI_SIZE_TO_PAGES (sizeof (EFI_ATA_STATUS_BLOCK)),\r | |
1126 | AtaPassThru->Mode->IoAlign\r | |
1127 | );\r | |
1128 | if (Asb == NULL) {\r | |
1129 | return EFI_OUT_OF_RESOURCES;\r | |
1130 | }\r | |
1131 | \r | |
1132 | //\r | |
1133 | // Prepare for ATA command block.\r | |
1134 | //\r | |
1135 | ZeroMem (&Acb, sizeof (Acb));\r | |
1136 | ZeroMem (Asb, sizeof (EFI_ATA_STATUS_BLOCK));\r | |
1137 | Acb.AtaCommand = ATA_SECURITY_SET_PASSWORD_CMD;\r | |
1138 | Acb.AtaDeviceHead = (UINT8) (PortMultiplierPort == 0xFFFF ? 0 : (PortMultiplierPort << 4));\r | |
1139 | \r | |
1140 | //\r | |
1141 | // Prepare for ATA pass through packet.\r | |
1142 | //\r | |
1143 | ZeroMem (&Packet, sizeof (Packet));\r | |
1144 | Packet.Protocol = EFI_ATA_PASS_THRU_PROTOCOL_PIO_DATA_OUT;\r | |
1145 | Packet.Length = EFI_ATA_PASS_THRU_LENGTH_BYTES;\r | |
1146 | Packet.Asb = Asb;\r | |
1147 | Packet.Acb = &Acb;\r | |
1148 | \r | |
1149 | ((CHAR16 *) Buffer)[0] = (Identifier | (UINT16)(SecurityLevel << 8)) & (BIT0 | BIT8);\r | |
1150 | CopyMem (&((CHAR16 *) Buffer)[1], Password, HDD_PASSWORD_MAX_LENGTH);\r | |
1151 | if ((Identifier & BIT0) != 0) {\r | |
1152 | ((CHAR16 *) Buffer)[17] = MasterPasswordIdentifier;\r | |
1153 | }\r | |
1154 | \r | |
1155 | Packet.OutDataBuffer = Buffer;\r | |
1156 | Packet.OutTransferLength = sizeof (Buffer);\r | |
1157 | Packet.Timeout = ATA_TIMEOUT;\r | |
1158 | \r | |
1159 | Status = AtaPassThru->PassThru (\r | |
1160 | AtaPassThru,\r | |
1161 | Port,\r | |
1162 | PortMultiplierPort,\r | |
1163 | &Packet,\r | |
1164 | NULL\r | |
1165 | );\r | |
1166 | if (!EFI_ERROR (Status) &&\r | |
1167 | ((Asb->AtaStatus & ATA_STSREG_ERR) != 0) &&\r | |
1168 | ((Asb->AtaError & ATA_ERRREG_ABRT) != 0)) {\r | |
1169 | Status = EFI_DEVICE_ERROR;\r | |
1170 | }\r | |
1171 | \r | |
1172 | FreeAlignedPages (Asb, EFI_SIZE_TO_PAGES (sizeof (EFI_ATA_STATUS_BLOCK)));\r | |
1173 | \r | |
1174 | ZeroMem (Buffer, sizeof (Buffer));\r | |
1175 | \r | |
1176 | DEBUG ((DEBUG_INFO, "%a() - %r\n", __FUNCTION__, Status));\r | |
1177 | return Status;\r | |
1178 | }\r | |
1179 | \r | |
1180 | /**\r | |
1181 | Get attached harddisk model number from identify data buffer.\r | |
1182 | \r | |
1183 | @param[in] IdentifyData Pointer to identify data buffer.\r | |
1184 | @param[in, out] String The buffer to store harddisk model number.\r | |
1185 | \r | |
1186 | **/\r | |
1187 | VOID\r | |
1188 | GetHddDeviceModelNumber (\r | |
1189 | IN ATA_IDENTIFY_DATA *IdentifyData,\r | |
1190 | IN OUT CHAR16 *String\r | |
1191 | )\r | |
1192 | {\r | |
1193 | UINTN Index;\r | |
1194 | \r | |
1195 | //\r | |
1196 | // Swap the byte order in the original module name.\r | |
1197 | // From Ata spec, the maximum length is 40 bytes.\r | |
1198 | //\r | |
1199 | for (Index = 0; Index < 40; Index += 2) {\r | |
1200 | String[Index] = IdentifyData->ModelName[Index + 1];\r | |
1201 | String[Index + 1] = IdentifyData->ModelName[Index];\r | |
1202 | }\r | |
1203 | \r | |
1204 | //\r | |
1205 | // Chap it off after 20 characters\r | |
1206 | //\r | |
1207 | String[20] = L'\0';\r | |
1208 | \r | |
1209 | return ;\r | |
1210 | }\r | |
1211 | \r | |
1212 | /**\r | |
1213 | Get password input from the popup windows.\r | |
1214 | \r | |
1215 | @param[in] PopUpString1 Pop up string 1.\r | |
1216 | @param[in] PopUpString2 Pop up string 2.\r | |
1217 | @param[in, out] Password The buffer to hold the input password.\r | |
1218 | \r | |
1219 | @retval EFI_ABORTED It is given up by pressing 'ESC' key.\r | |
1220 | @retval EFI_SUCCESS Get password input successfully.\r | |
1221 | \r | |
1222 | **/\r | |
1223 | EFI_STATUS\r | |
1224 | PopupHddPasswordInputWindows (\r | |
1225 | IN CHAR16 *PopUpString1,\r | |
1226 | IN CHAR16 *PopUpString2,\r | |
1227 | IN OUT CHAR8 *Password\r | |
1228 | )\r | |
1229 | {\r | |
1230 | EFI_INPUT_KEY Key;\r | |
1231 | UINTN Length;\r | |
1232 | CHAR16 Mask[HDD_PASSWORD_MAX_LENGTH + 1];\r | |
1233 | CHAR16 Unicode[HDD_PASSWORD_MAX_LENGTH + 1];\r | |
1234 | CHAR8 Ascii[HDD_PASSWORD_MAX_LENGTH + 1];\r | |
1235 | \r | |
1236 | ZeroMem (Unicode, sizeof (Unicode));\r | |
1237 | ZeroMem (Ascii, sizeof (Ascii));\r | |
1238 | ZeroMem (Mask, sizeof (Mask));\r | |
1239 | \r | |
1240 | gST->ConOut->ClearScreen(gST->ConOut);\r | |
1241 | \r | |
1242 | Length = 0;\r | |
1243 | while (TRUE) {\r | |
1244 | Mask[Length] = L'_';\r | |
1245 | if (PopUpString2 == NULL) {\r | |
1246 | CreatePopUp (\r | |
1247 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1248 | &Key,\r | |
1249 | PopUpString1,\r | |
1250 | L"---------------------",\r | |
1251 | Mask,\r | |
1252 | NULL\r | |
1253 | );\r | |
1254 | } else {\r | |
1255 | CreatePopUp (\r | |
1256 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1257 | &Key,\r | |
1258 | PopUpString1,\r | |
1259 | PopUpString2,\r | |
1260 | L"---------------------",\r | |
1261 | Mask,\r | |
1262 | NULL\r | |
1263 | );\r | |
1264 | }\r | |
1265 | //\r | |
1266 | // Check key.\r | |
1267 | //\r | |
1268 | if (Key.ScanCode == SCAN_NULL) {\r | |
1269 | if (Key.UnicodeChar == CHAR_CARRIAGE_RETURN) {\r | |
1270 | //\r | |
1271 | // Add the null terminator.\r | |
1272 | //\r | |
1273 | Unicode[Length] = 0;\r | |
1274 | break;\r | |
1275 | } else if ((Key.UnicodeChar == CHAR_NULL) ||\r | |
1276 | (Key.UnicodeChar == CHAR_TAB) ||\r | |
1277 | (Key.UnicodeChar == CHAR_LINEFEED)\r | |
1278 | ) {\r | |
1279 | continue;\r | |
1280 | } else {\r | |
1281 | if (Key.UnicodeChar == CHAR_BACKSPACE) {\r | |
1282 | if (Length > 0) {\r | |
1283 | Unicode[Length] = 0;\r | |
1284 | Mask[Length] = 0;\r | |
1285 | Length--;\r | |
1286 | }\r | |
1287 | } else {\r | |
1288 | Unicode[Length] = Key.UnicodeChar;\r | |
1289 | Mask[Length] = L'*';\r | |
1290 | Length++;\r | |
1291 | if (Length == HDD_PASSWORD_MAX_LENGTH) {\r | |
1292 | //\r | |
1293 | // Add the null terminator.\r | |
1294 | //\r | |
1295 | Unicode[Length] = 0;\r | |
1296 | Mask[Length] = 0;\r | |
1297 | break;\r | |
1298 | }\r | |
1299 | }\r | |
1300 | }\r | |
1301 | }\r | |
1302 | \r | |
1303 | if (Key.ScanCode == SCAN_ESC) {\r | |
1304 | ZeroMem (Unicode, sizeof (Unicode));\r | |
1305 | ZeroMem (Ascii, sizeof (Ascii));\r | |
1306 | gST->ConOut->ClearScreen(gST->ConOut);\r | |
1307 | return EFI_ABORTED;\r | |
1308 | }\r | |
1309 | }\r | |
1310 | \r | |
1311 | UnicodeStrToAsciiStrS (Unicode, Ascii, sizeof (Ascii));\r | |
1312 | CopyMem (Password, Ascii, HDD_PASSWORD_MAX_LENGTH);\r | |
1313 | ZeroMem (Unicode, sizeof (Unicode));\r | |
1314 | ZeroMem (Ascii, sizeof (Ascii));\r | |
1315 | \r | |
1316 | gST->ConOut->ClearScreen(gST->ConOut);\r | |
1317 | return EFI_SUCCESS;\r | |
1318 | }\r | |
1319 | \r | |
1320 | /**\r | |
1321 | Check if disk is locked, show popup window and ask for password if it is.\r | |
1322 | \r | |
1323 | @param[in] AtaPassThru Pointer to ATA_PASSTHRU instance.\r | |
1324 | @param[in] Port The port number of attached ATA device.\r | |
1325 | @param[in] PortMultiplierPort The port number of port multiplier of attached ATA device.\r | |
1326 | @param[in] ConfigFormEntry The HDD Password configuration form entry.\r | |
1327 | \r | |
1328 | **/\r | |
1329 | VOID\r | |
1330 | HddPasswordRequestPassword (\r | |
1331 | IN EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru,\r | |
1332 | IN UINT16 Port,\r | |
1333 | IN UINT16 PortMultiplierPort,\r | |
1334 | IN HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry\r | |
1335 | )\r | |
1336 | {\r | |
1337 | EFI_STATUS Status;\r | |
1338 | CHAR16 PopUpString[100];\r | |
1339 | ATA_IDENTIFY_DATA IdentifyData;\r | |
1340 | EFI_INPUT_KEY Key;\r | |
1341 | UINT16 RetryCount;\r | |
1342 | CHAR8 Password[HDD_PASSWORD_MAX_LENGTH];\r | |
1343 | \r | |
1344 | RetryCount = 0;\r | |
1345 | \r | |
1346 | DEBUG ((DEBUG_INFO, "%a()\n", __FUNCTION__));\r | |
1347 | \r | |
1348 | UnicodeSPrint (PopUpString, sizeof (PopUpString), L"Unlock: %s", ConfigFormEntry->HddString);\r | |
1349 | \r | |
1350 | //\r | |
1351 | // Check the device security status.\r | |
1352 | //\r | |
1353 | if ((ConfigFormEntry->IfrData.SecurityStatus.Supported) &&\r | |
1354 | (ConfigFormEntry->IfrData.SecurityStatus.Enabled)) {\r | |
1355 | //\r | |
1356 | // As soon as the HDD password is in enabled state, we pop up a window to unlock hdd\r | |
1357 | // no matter it's really in locked or unlocked state.\r | |
1358 | // This way forces user to enter password every time to provide best safety.\r | |
1359 | //\r | |
1360 | while (TRUE) {\r | |
1361 | Status = PopupHddPasswordInputWindows (PopUpString, NULL, Password);\r | |
1362 | if (!EFI_ERROR (Status)) {\r | |
1363 | //\r | |
1364 | // The HDD is in locked state, unlock it by user input.\r | |
1365 | //\r | |
1366 | if (!PasswordIsFullZero (Password)) {\r | |
1367 | if (!ConfigFormEntry->IfrData.SecurityStatus.Frozen) {\r | |
1368 | Status = UnlockHddPassword (AtaPassThru, Port, PortMultiplierPort, 0, Password);\r | |
1369 | } else {\r | |
1370 | //\r | |
1371 | // Use saved HDD password variable to validate HDD password\r | |
1372 | // when the device is at frozen state.\r | |
1373 | //\r | |
1374 | Status = ValidateHddPassword (ConfigFormEntry, Password);\r | |
1375 | }\r | |
1376 | } else {\r | |
1377 | Status = EFI_INVALID_PARAMETER;\r | |
1378 | }\r | |
1379 | if (!EFI_ERROR (Status)) {\r | |
1380 | CopyMem (ConfigFormEntry->Password, Password, HDD_PASSWORD_MAX_LENGTH);\r | |
1381 | if (!ConfigFormEntry->IfrData.SecurityStatus.Frozen) {\r | |
1382 | SaveHddPasswordVariable (ConfigFormEntry, Password);\r | |
1383 | }\r | |
1384 | ZeroMem (Password, HDD_PASSWORD_MAX_LENGTH);\r | |
1385 | Status = GetHddDeviceIdentifyData (AtaPassThru, Port, PortMultiplierPort, &IdentifyData);\r | |
1386 | ASSERT_EFI_ERROR (Status);\r | |
1387 | \r | |
1388 | //\r | |
1389 | // Check the device security status again.\r | |
1390 | //\r | |
1391 | GetHddPasswordSecurityStatus (&IdentifyData, &ConfigFormEntry->IfrData);\r | |
1392 | return;\r | |
1393 | }\r | |
1394 | \r | |
1395 | ZeroMem (Password, HDD_PASSWORD_MAX_LENGTH);\r | |
1396 | \r | |
1397 | if (EFI_ERROR (Status)) {\r | |
1398 | RetryCount ++;\r | |
1399 | if (RetryCount < MAX_HDD_PASSWORD_RETRY_COUNT) {\r | |
1400 | do {\r | |
1401 | CreatePopUp (\r | |
1402 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1403 | &Key,\r | |
1404 | L"Invalid password.",\r | |
1405 | L"Press ENTER to retry",\r | |
1406 | NULL\r | |
1407 | );\r | |
1408 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
1409 | continue;\r | |
1410 | } else {\r | |
1411 | do {\r | |
1412 | CreatePopUp (\r | |
1413 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1414 | &Key,\r | |
1415 | L"Hdd password retry count is expired. Please shutdown the machine.",\r | |
1416 | L"Press ENTER to shutdown",\r | |
1417 | NULL\r | |
1418 | );\r | |
1419 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
1420 | gRT->ResetSystem (EfiResetShutdown, EFI_SUCCESS, 0, NULL);\r | |
1421 | break;\r | |
1422 | }\r | |
1423 | }\r | |
1424 | } else if (Status == EFI_ABORTED) {\r | |
1425 | if (ConfigFormEntry->IfrData.SecurityStatus.Locked) {\r | |
1426 | //\r | |
1427 | // Current device in the lock status and\r | |
1428 | // User not input password and press ESC,\r | |
1429 | // keep device in lock status and continue boot.\r | |
1430 | //\r | |
1431 | do {\r | |
1432 | CreatePopUp (\r | |
1433 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1434 | &Key,\r | |
1435 | L"Press ENTER to skip the request and continue boot,",\r | |
1436 | L"Press ESC to input password again",\r | |
1437 | NULL\r | |
1438 | );\r | |
1439 | } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));\r | |
1440 | \r | |
1441 | if (Key.UnicodeChar == CHAR_CARRIAGE_RETURN) {\r | |
1442 | gST->ConOut->ClearScreen(gST->ConOut);\r | |
1443 | //\r | |
1444 | // Keep lock and continue boot.\r | |
1445 | //\r | |
1446 | return;\r | |
1447 | } else {\r | |
1448 | //\r | |
1449 | // Let user input password again.\r | |
1450 | //\r | |
1451 | continue;\r | |
1452 | }\r | |
1453 | } else {\r | |
1454 | //\r | |
1455 | // Current device in the unlock status and\r | |
1456 | // User not input password and press ESC,\r | |
1457 | // Shutdown the device.\r | |
1458 | //\r | |
1459 | do {\r | |
1460 | CreatePopUp (\r | |
1461 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1462 | &Key,\r | |
1463 | L"Press ENTER to shutdown, Press ESC to input password again",\r | |
1464 | NULL\r | |
1465 | );\r | |
1466 | } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));\r | |
1467 | \r | |
1468 | if (Key.UnicodeChar == CHAR_CARRIAGE_RETURN) {\r | |
1469 | gRT->ResetSystem (EfiResetShutdown, EFI_SUCCESS, 0, NULL);\r | |
1470 | } else {\r | |
1471 | //\r | |
1472 | // Let user input password again.\r | |
1473 | //\r | |
1474 | continue;\r | |
1475 | }\r | |
1476 | }\r | |
1477 | }\r | |
1478 | }\r | |
1479 | }\r | |
1480 | }\r | |
1481 | \r | |
1482 | /**\r | |
1483 | Process Set User Pwd HDD password request.\r | |
1484 | \r | |
1485 | @param[in] AtaPassThru Pointer to ATA_PASSTHRU instance.\r | |
1486 | @param[in] Port The port number of attached ATA device.\r | |
1487 | @param[in] PortMultiplierPort The port number of port multiplier of attached ATA device.\r | |
1488 | @param[in] ConfigFormEntry The HDD Password configuration form entry.\r | |
1489 | \r | |
1490 | **/\r | |
1491 | VOID\r | |
1492 | ProcessHddPasswordRequestSetUserPwd (\r | |
1493 | IN EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru,\r | |
1494 | IN UINT16 Port,\r | |
1495 | IN UINT16 PortMultiplierPort,\r | |
1496 | IN HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry\r | |
1497 | )\r | |
1498 | {\r | |
1499 | EFI_STATUS Status;\r | |
1500 | CHAR16 PopUpString[100];\r | |
1501 | ATA_IDENTIFY_DATA IdentifyData;\r | |
1502 | EFI_INPUT_KEY Key;\r | |
1503 | UINT16 RetryCount;\r | |
1504 | CHAR8 Password[HDD_PASSWORD_MAX_LENGTH];\r | |
1505 | CHAR8 PasswordConfirm[HDD_PASSWORD_MAX_LENGTH];\r | |
1506 | \r | |
1507 | RetryCount = 0;\r | |
1508 | \r | |
1509 | DEBUG ((DEBUG_INFO, "%a()\n", __FUNCTION__));\r | |
1510 | \r | |
1511 | if (ConfigFormEntry->IfrData.SecurityStatus.Frozen) {\r | |
1512 | DEBUG ((DEBUG_INFO, "%s is frozen, do nothing\n", ConfigFormEntry->HddString));\r | |
1513 | return;\r | |
1514 | }\r | |
1515 | \r | |
1516 | if (ConfigFormEntry->IfrData.SecurityStatus.Locked) {\r | |
1517 | DEBUG ((DEBUG_INFO, "%s is locked, do nothing\n", ConfigFormEntry->HddString));\r | |
1518 | return;\r | |
1519 | }\r | |
1520 | \r | |
1521 | UnicodeSPrint (PopUpString, sizeof (PopUpString), L"Set User Pwd: %s", ConfigFormEntry->HddString);\r | |
1522 | \r | |
1523 | //\r | |
1524 | // Check the device security status.\r | |
1525 | //\r | |
1526 | if (ConfigFormEntry->IfrData.SecurityStatus.Supported) {\r | |
1527 | while (TRUE) {\r | |
1528 | Status = PopupHddPasswordInputWindows (PopUpString, L"Please type in your new password", Password);\r | |
1529 | if (!EFI_ERROR (Status)) {\r | |
1530 | Status = PopupHddPasswordInputWindows (PopUpString, L"Please confirm your new password", PasswordConfirm);\r | |
1531 | if (!EFI_ERROR (Status)) {\r | |
1532 | if (CompareMem (Password, PasswordConfirm, HDD_PASSWORD_MAX_LENGTH) == 0) {\r | |
1533 | if (!PasswordIsFullZero (Password)) {\r | |
1534 | Status = SetHddPassword (AtaPassThru, Port, PortMultiplierPort, 0, 1, 0, Password);\r | |
1535 | } else {\r | |
1536 | if (ConfigFormEntry->IfrData.SecurityStatus.Enabled) {\r | |
1537 | Status = DisableHddPassword (AtaPassThru, Port, PortMultiplierPort, 0, ConfigFormEntry->Password);\r | |
1538 | } else {\r | |
1539 | Status = EFI_INVALID_PARAMETER;\r | |
1540 | }\r | |
1541 | }\r | |
1542 | if (!EFI_ERROR (Status)) {\r | |
1543 | CopyMem (ConfigFormEntry->Password, Password, HDD_PASSWORD_MAX_LENGTH);\r | |
1544 | SaveHddPasswordVariable (ConfigFormEntry, Password);\r | |
1545 | ZeroMem (Password, HDD_PASSWORD_MAX_LENGTH);\r | |
1546 | ZeroMem (PasswordConfirm, HDD_PASSWORD_MAX_LENGTH);\r | |
1547 | Status = GetHddDeviceIdentifyData (AtaPassThru, Port, PortMultiplierPort, &IdentifyData);\r | |
1548 | ASSERT_EFI_ERROR (Status);\r | |
1549 | \r | |
1550 | //\r | |
1551 | // Check the device security status again.\r | |
1552 | //\r | |
1553 | GetHddPasswordSecurityStatus (&IdentifyData, &ConfigFormEntry->IfrData);\r | |
1554 | return;\r | |
1555 | } else {\r | |
1556 | do {\r | |
1557 | CreatePopUp (\r | |
1558 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1559 | &Key,\r | |
1560 | L"Set/Disable User Pwd failed or invalid password.",\r | |
1561 | L"Press ENTER to retry",\r | |
1562 | NULL\r | |
1563 | );\r | |
1564 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
1565 | }\r | |
1566 | } else {\r | |
1567 | do {\r | |
1568 | CreatePopUp (\r | |
1569 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1570 | &Key,\r | |
1571 | L"Passwords are not the same.",\r | |
1572 | L"Press ENTER to retry",\r | |
1573 | NULL\r | |
1574 | );\r | |
1575 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
1576 | Status = EFI_INVALID_PARAMETER;\r | |
1577 | }\r | |
1578 | }\r | |
1579 | \r | |
1580 | ZeroMem (Password, HDD_PASSWORD_MAX_LENGTH);\r | |
1581 | ZeroMem (PasswordConfirm, HDD_PASSWORD_MAX_LENGTH);\r | |
1582 | \r | |
1583 | if (EFI_ERROR (Status)) {\r | |
1584 | RetryCount ++;\r | |
1585 | if (RetryCount >= MAX_HDD_PASSWORD_RETRY_COUNT) {\r | |
1586 | do {\r | |
1587 | CreatePopUp (\r | |
1588 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1589 | &Key,\r | |
1590 | L"Hdd password retry count is expired.",\r | |
1591 | L"Press ENTER to skip the request and continue boot",\r | |
1592 | NULL\r | |
1593 | );\r | |
1594 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
1595 | gST->ConOut->ClearScreen(gST->ConOut);\r | |
1596 | return;\r | |
1597 | }\r | |
1598 | }\r | |
1599 | } else if (Status == EFI_ABORTED) {\r | |
1600 | do {\r | |
1601 | CreatePopUp (\r | |
1602 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1603 | &Key,\r | |
1604 | L"Press ENTER to skip the request and continue boot,",\r | |
1605 | L"Press ESC to input password again",\r | |
1606 | NULL\r | |
1607 | );\r | |
1608 | } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));\r | |
1609 | \r | |
1610 | if (Key.UnicodeChar == CHAR_CARRIAGE_RETURN) {\r | |
1611 | gST->ConOut->ClearScreen(gST->ConOut);\r | |
1612 | return;\r | |
1613 | } else {\r | |
1614 | //\r | |
1615 | // Let user input password again.\r | |
1616 | //\r | |
1617 | continue;\r | |
1618 | }\r | |
1619 | }\r | |
1620 | }\r | |
1621 | }\r | |
1622 | }\r | |
1623 | \r | |
1624 | /**\r | |
1625 | Process Set Master Pwd HDD password request.\r | |
1626 | \r | |
1627 | @param[in] AtaPassThru Pointer to ATA_PASSTHRU instance.\r | |
1628 | @param[in] Port The port number of attached ATA device.\r | |
1629 | @param[in] PortMultiplierPort The port number of port multiplier of attached ATA device.\r | |
1630 | @param[in] ConfigFormEntry The HDD Password configuration form entry.\r | |
1631 | \r | |
1632 | **/\r | |
1633 | VOID\r | |
1634 | ProcessHddPasswordRequestSetMasterPwd (\r | |
1635 | IN EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru,\r | |
1636 | IN UINT16 Port,\r | |
1637 | IN UINT16 PortMultiplierPort,\r | |
1638 | IN HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry\r | |
1639 | )\r | |
1640 | {\r | |
1641 | EFI_STATUS Status;\r | |
1642 | CHAR16 PopUpString[100];\r | |
1643 | EFI_INPUT_KEY Key;\r | |
1644 | UINT16 RetryCount;\r | |
1645 | CHAR8 Password[HDD_PASSWORD_MAX_LENGTH];\r | |
1646 | CHAR8 PasswordConfirm[HDD_PASSWORD_MAX_LENGTH];\r | |
1647 | \r | |
1648 | RetryCount = 0;\r | |
1649 | \r | |
1650 | DEBUG ((DEBUG_INFO, "%a()\n", __FUNCTION__));\r | |
1651 | \r | |
1652 | if (ConfigFormEntry->IfrData.SecurityStatus.Frozen) {\r | |
1653 | DEBUG ((DEBUG_INFO, "%s is frozen, do nothing\n", ConfigFormEntry->HddString));\r | |
1654 | return;\r | |
1655 | }\r | |
1656 | \r | |
1657 | if (ConfigFormEntry->IfrData.SecurityStatus.Locked) {\r | |
1658 | DEBUG ((DEBUG_INFO, "%s is locked, do nothing\n", ConfigFormEntry->HddString));\r | |
1659 | return;\r | |
1660 | }\r | |
1661 | \r | |
1662 | UnicodeSPrint (PopUpString, sizeof (PopUpString), L"Set Master Pwd: %s", ConfigFormEntry->HddString);\r | |
1663 | \r | |
1664 | //\r | |
1665 | // Check the device security status.\r | |
1666 | //\r | |
1667 | if (ConfigFormEntry->IfrData.SecurityStatus.Supported) {\r | |
1668 | while (TRUE) {\r | |
1669 | Status = PopupHddPasswordInputWindows (PopUpString, L"Please type in your new password", Password);\r | |
1670 | if (!EFI_ERROR (Status)) {\r | |
1671 | Status = PopupHddPasswordInputWindows (PopUpString, L"Please confirm your new password", PasswordConfirm);\r | |
1672 | if (!EFI_ERROR (Status)) {\r | |
1673 | if (CompareMem (Password, PasswordConfirm, HDD_PASSWORD_MAX_LENGTH) == 0) {\r | |
1674 | if (!PasswordIsFullZero (Password)) {\r | |
1675 | Status = SetHddPassword (AtaPassThru, Port, PortMultiplierPort, 1, 1, 1, Password);\r | |
1676 | } else {\r | |
1677 | Status = EFI_INVALID_PARAMETER;\r | |
1678 | }\r | |
1679 | if (!EFI_ERROR (Status)) {\r | |
1680 | ZeroMem (Password, HDD_PASSWORD_MAX_LENGTH);\r | |
1681 | ZeroMem (PasswordConfirm, HDD_PASSWORD_MAX_LENGTH);\r | |
1682 | return;\r | |
1683 | } else {\r | |
1684 | do {\r | |
1685 | CreatePopUp (\r | |
1686 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1687 | &Key,\r | |
1688 | L"Set Master Pwd failed or invalid password.",\r | |
1689 | L"Press ENTER to retry",\r | |
1690 | NULL\r | |
1691 | );\r | |
1692 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
1693 | }\r | |
1694 | } else {\r | |
1695 | do {\r | |
1696 | CreatePopUp (\r | |
1697 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1698 | &Key,\r | |
1699 | L"Passwords are not the same.",\r | |
1700 | L"Press ENTER to retry",\r | |
1701 | NULL\r | |
1702 | );\r | |
1703 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
1704 | Status = EFI_INVALID_PARAMETER;\r | |
1705 | }\r | |
1706 | }\r | |
1707 | \r | |
1708 | ZeroMem (Password, HDD_PASSWORD_MAX_LENGTH);\r | |
1709 | ZeroMem (PasswordConfirm, HDD_PASSWORD_MAX_LENGTH);\r | |
1710 | \r | |
1711 | if (EFI_ERROR (Status)) {\r | |
1712 | RetryCount ++;\r | |
1713 | if (RetryCount >= MAX_HDD_PASSWORD_RETRY_COUNT) {\r | |
1714 | do {\r | |
1715 | CreatePopUp (\r | |
1716 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1717 | &Key,\r | |
1718 | L"Hdd password retry count is expired.",\r | |
1719 | L"Press ENTER to skip the request and continue boot",\r | |
1720 | NULL\r | |
1721 | );\r | |
1722 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
1723 | gST->ConOut->ClearScreen(gST->ConOut);\r | |
1724 | return;\r | |
1725 | }\r | |
1726 | }\r | |
1727 | } else if (Status == EFI_ABORTED) {\r | |
1728 | do {\r | |
1729 | CreatePopUp (\r | |
1730 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1731 | &Key,\r | |
1732 | L"Press ENTER to skip the request and continue boot,",\r | |
1733 | L"Press ESC to input password again",\r | |
1734 | NULL\r | |
1735 | );\r | |
1736 | } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));\r | |
1737 | \r | |
1738 | if (Key.UnicodeChar == CHAR_CARRIAGE_RETURN) {\r | |
1739 | gST->ConOut->ClearScreen(gST->ConOut);\r | |
1740 | return;\r | |
1741 | } else {\r | |
1742 | //\r | |
1743 | // Let user input password again.\r | |
1744 | //\r | |
1745 | continue;\r | |
1746 | }\r | |
1747 | }\r | |
1748 | }\r | |
1749 | }\r | |
1750 | }\r | |
1751 | \r | |
1752 | /**\r | |
1753 | Process HDD password request.\r | |
1754 | \r | |
1755 | @param[in] AtaPassThru Pointer to ATA_PASSTHRU instance.\r | |
1756 | @param[in] Port The port number of attached ATA device.\r | |
1757 | @param[in] PortMultiplierPort The port number of port multiplier of attached ATA device.\r | |
1758 | @param[in] ConfigFormEntry The HDD Password configuration form entry.\r | |
1759 | \r | |
1760 | **/\r | |
1761 | VOID\r | |
1762 | ProcessHddPasswordRequest (\r | |
1763 | IN EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru,\r | |
1764 | IN UINT16 Port,\r | |
1765 | IN UINT16 PortMultiplierPort,\r | |
1766 | IN HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry\r | |
1767 | )\r | |
1768 | {\r | |
1769 | EFI_STATUS Status;\r | |
1770 | HDD_PASSWORD_REQUEST_VARIABLE *TempVariable;\r | |
1771 | HDD_PASSWORD_REQUEST_VARIABLE *Variable;\r | |
1772 | UINTN VariableSize;\r | |
1773 | \r | |
1774 | DEBUG ((DEBUG_INFO, "%a() - enter\n", __FUNCTION__));\r | |
1775 | \r | |
1776 | if (mHddPasswordRequestVariable == NULL) {\r | |
1777 | Status = GetVariable2 (\r | |
1778 | HDD_PASSWORD_REQUEST_VARIABLE_NAME,\r | |
1779 | &mHddPasswordVendorGuid,\r | |
1780 | (VOID **) &Variable,\r | |
1781 | &VariableSize\r | |
1782 | );\r | |
1783 | if (EFI_ERROR (Status) || (Variable == NULL)) {\r | |
1784 | return;\r | |
1785 | }\r | |
1786 | mHddPasswordRequestVariable = Variable;\r | |
1787 | mHddPasswordRequestVariableSize = VariableSize;\r | |
1788 | \r | |
1789 | //\r | |
1790 | // Delete the HDD password request variable.\r | |
1791 | //\r | |
1792 | Status = gRT->SetVariable (\r | |
1793 | HDD_PASSWORD_REQUEST_VARIABLE_NAME,\r | |
1794 | &mHddPasswordVendorGuid,\r | |
1795 | 0,\r | |
1796 | 0,\r | |
1797 | NULL\r | |
1798 | );\r | |
1799 | ASSERT_EFI_ERROR (Status);\r | |
1800 | } else {\r | |
1801 | Variable = mHddPasswordRequestVariable;\r | |
1802 | VariableSize = mHddPasswordRequestVariableSize;\r | |
1803 | }\r | |
1804 | \r | |
1805 | //\r | |
1806 | // Process the HDD password requests.\r | |
1807 | //\r | |
1808 | TempVariable = Variable;\r | |
1809 | while (VariableSize >= sizeof (HDD_PASSWORD_REQUEST_VARIABLE)) {\r | |
1810 | if ((TempVariable->Device.Bus == ConfigFormEntry->Bus) &&\r | |
1811 | (TempVariable->Device.Device == ConfigFormEntry->Device) &&\r | |
1812 | (TempVariable->Device.Function == ConfigFormEntry->Function) &&\r | |
1813 | (TempVariable->Device.Port == ConfigFormEntry->Port) &&\r | |
1814 | (TempVariable->Device.PortMultiplierPort == ConfigFormEntry->PortMultiplierPort)) {\r | |
1815 | //\r | |
1816 | // Found the node for the HDD password device.\r | |
1817 | //\r | |
1818 | if (TempVariable->Request.UserPassword != 0) {\r | |
1819 | ProcessHddPasswordRequestSetUserPwd (AtaPassThru, Port, PortMultiplierPort, ConfigFormEntry);\r | |
1820 | }\r | |
1821 | if (TempVariable->Request.MasterPassword != 0) {\r | |
1822 | ProcessHddPasswordRequestSetMasterPwd (AtaPassThru, Port, PortMultiplierPort, ConfigFormEntry);\r | |
1823 | }\r | |
1824 | \r | |
1825 | break;\r | |
1826 | }\r | |
1827 | \r | |
1828 | VariableSize -= sizeof (HDD_PASSWORD_REQUEST_VARIABLE);\r | |
1829 | TempVariable += 1;\r | |
1830 | }\r | |
1831 | \r | |
1832 | DEBUG ((DEBUG_INFO, "%a() - exit\n", __FUNCTION__));\r | |
1833 | }\r | |
1834 | \r | |
1835 | /**\r | |
1836 | Get saved HDD password request.\r | |
1837 | \r | |
1838 | @param[in, out] ConfigFormEntry The HDD Password configuration form entry.\r | |
1839 | \r | |
1840 | **/\r | |
1841 | VOID\r | |
1842 | GetSavedHddPasswordRequest (\r | |
1843 | IN OUT HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry\r | |
1844 | )\r | |
1845 | {\r | |
1846 | EFI_STATUS Status;\r | |
1847 | HDD_PASSWORD_REQUEST_VARIABLE *TempVariable;\r | |
1848 | HDD_PASSWORD_REQUEST_VARIABLE *Variable;\r | |
1849 | UINTN VariableSize;\r | |
1850 | \r | |
1851 | DEBUG ((DEBUG_INFO, "%a() - enter\n", __FUNCTION__));\r | |
1852 | \r | |
1853 | Variable = NULL;\r | |
1854 | VariableSize = 0;\r | |
1855 | \r | |
1856 | Status = GetVariable2 (\r | |
1857 | HDD_PASSWORD_REQUEST_VARIABLE_NAME,\r | |
1858 | &mHddPasswordVendorGuid,\r | |
1859 | (VOID **) &Variable,\r | |
1860 | &VariableSize\r | |
1861 | );\r | |
1862 | if (EFI_ERROR (Status) || (Variable == NULL)) {\r | |
1863 | return;\r | |
1864 | }\r | |
1865 | \r | |
1866 | TempVariable = Variable;\r | |
1867 | while (VariableSize >= sizeof (HDD_PASSWORD_REQUEST_VARIABLE)) {\r | |
1868 | if ((TempVariable->Device.Bus == ConfigFormEntry->Bus) &&\r | |
1869 | (TempVariable->Device.Device == ConfigFormEntry->Device) &&\r | |
1870 | (TempVariable->Device.Function == ConfigFormEntry->Function) &&\r | |
1871 | (TempVariable->Device.Port == ConfigFormEntry->Port) &&\r | |
1872 | (TempVariable->Device.PortMultiplierPort == ConfigFormEntry->PortMultiplierPort)) {\r | |
1873 | //\r | |
1874 | // Found the node for the HDD password device.\r | |
1875 | // Get the HDD password request.\r | |
1876 | //\r | |
1877 | CopyMem (&ConfigFormEntry->IfrData.Request, &TempVariable->Request, sizeof (HDD_PASSWORD_REQUEST));\r | |
1878 | DEBUG ((\r | |
1879 | DEBUG_INFO,\r | |
1880 | "HddPasswordRequest got: 0x%x\n",\r | |
1881 | ConfigFormEntry->IfrData.Request\r | |
1882 | ));\r | |
1883 | break;\r | |
1884 | }\r | |
1885 | VariableSize -= sizeof (HDD_PASSWORD_REQUEST_VARIABLE);\r | |
1886 | TempVariable += 1;\r | |
1887 | }\r | |
1888 | \r | |
1889 | FreePool (Variable);\r | |
1890 | \r | |
1891 | DEBUG ((DEBUG_INFO, "%a() - exit\n", __FUNCTION__));\r | |
1892 | }\r | |
1893 | \r | |
1894 | /**\r | |
1895 | Save HDD password request.\r | |
1896 | \r | |
1897 | @param[in] ConfigFormEntry The HDD Password configuration form entry.\r | |
1898 | \r | |
1899 | **/\r | |
1900 | VOID\r | |
1901 | SaveHddPasswordRequest (\r | |
1902 | IN HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry\r | |
1903 | )\r | |
1904 | {\r | |
1905 | EFI_STATUS Status;\r | |
1906 | HDD_PASSWORD_REQUEST_VARIABLE *TempVariable;\r | |
1907 | UINTN TempVariableSize;\r | |
1908 | HDD_PASSWORD_REQUEST_VARIABLE *Variable;\r | |
1909 | UINTN VariableSize;\r | |
1910 | HDD_PASSWORD_REQUEST_VARIABLE *NewVariable;\r | |
1911 | UINTN NewVariableSize;\r | |
1912 | \r | |
1913 | DEBUG ((DEBUG_INFO, "%a() - enter\n", __FUNCTION__));\r | |
1914 | \r | |
1915 | DEBUG ((\r | |
1916 | DEBUG_INFO,\r | |
1917 | "HddPasswordRequest to save: 0x%x\n",\r | |
1918 | ConfigFormEntry->IfrData.Request\r | |
1919 | ));\r | |
1920 | \r | |
1921 | Variable = NULL;\r | |
1922 | VariableSize = 0;\r | |
1923 | NewVariable = NULL;\r | |
1924 | NewVariableSize = 0;\r | |
1925 | \r | |
1926 | Status = GetVariable2 (\r | |
1927 | HDD_PASSWORD_REQUEST_VARIABLE_NAME,\r | |
1928 | &mHddPasswordVendorGuid,\r | |
1929 | (VOID **) &Variable,\r | |
1930 | &VariableSize\r | |
1931 | );\r | |
1932 | if (!EFI_ERROR (Status) && (Variable != NULL)) {\r | |
1933 | TempVariable = Variable;\r | |
1934 | TempVariableSize = VariableSize;\r | |
1935 | while (TempVariableSize >= sizeof (HDD_PASSWORD_REQUEST_VARIABLE)) {\r | |
1936 | if ((TempVariable->Device.Bus == ConfigFormEntry->Bus) &&\r | |
1937 | (TempVariable->Device.Device == ConfigFormEntry->Device) &&\r | |
1938 | (TempVariable->Device.Function == ConfigFormEntry->Function) &&\r | |
1939 | (TempVariable->Device.Port == ConfigFormEntry->Port) &&\r | |
1940 | (TempVariable->Device.PortMultiplierPort == ConfigFormEntry->PortMultiplierPort)) {\r | |
1941 | //\r | |
1942 | // Found the node for the HDD password device.\r | |
1943 | // Update the HDD password request.\r | |
1944 | //\r | |
1945 | CopyMem (&TempVariable->Request, &ConfigFormEntry->IfrData.Request, sizeof (HDD_PASSWORD_REQUEST));\r | |
1946 | NewVariable = Variable;\r | |
1947 | NewVariableSize = VariableSize;\r | |
1948 | break;\r | |
1949 | }\r | |
1950 | TempVariableSize -= sizeof (HDD_PASSWORD_REQUEST_VARIABLE);\r | |
1951 | TempVariable += 1;\r | |
1952 | }\r | |
1953 | if (NewVariable == NULL) {\r | |
1954 | //\r | |
1955 | // The node for the HDD password device is not found.\r | |
1956 | // Create node for the HDD password device.\r | |
1957 | //\r | |
1958 | NewVariableSize = VariableSize + sizeof (HDD_PASSWORD_REQUEST_VARIABLE);\r | |
1959 | NewVariable = AllocateZeroPool (NewVariableSize);\r | |
1960 | ASSERT (NewVariable != NULL);\r | |
1961 | CopyMem (NewVariable, Variable, VariableSize);\r | |
1962 | TempVariable = (HDD_PASSWORD_REQUEST_VARIABLE *) ((UINTN) NewVariable + VariableSize);\r | |
1963 | TempVariable->Device.Bus = (UINT8) ConfigFormEntry->Bus;\r | |
1964 | TempVariable->Device.Device = (UINT8) ConfigFormEntry->Device;\r | |
1965 | TempVariable->Device.Function = (UINT8) ConfigFormEntry->Function;\r | |
1966 | TempVariable->Device.Port = ConfigFormEntry->Port;\r | |
1967 | TempVariable->Device.PortMultiplierPort = ConfigFormEntry->PortMultiplierPort;\r | |
1968 | CopyMem (&TempVariable->Request, &ConfigFormEntry->IfrData.Request, sizeof (HDD_PASSWORD_REQUEST));\r | |
1969 | }\r | |
1970 | } else {\r | |
1971 | NewVariableSize = sizeof (HDD_PASSWORD_REQUEST_VARIABLE);\r | |
1972 | NewVariable = AllocateZeroPool (NewVariableSize);\r | |
1973 | ASSERT (NewVariable != NULL);\r | |
1974 | NewVariable->Device.Bus = (UINT8) ConfigFormEntry->Bus;\r | |
1975 | NewVariable->Device.Device = (UINT8) ConfigFormEntry->Device;\r | |
1976 | NewVariable->Device.Function = (UINT8) ConfigFormEntry->Function;\r | |
1977 | NewVariable->Device.Port = ConfigFormEntry->Port;\r | |
1978 | NewVariable->Device.PortMultiplierPort = ConfigFormEntry->PortMultiplierPort;\r | |
1979 | CopyMem (&NewVariable->Request, &ConfigFormEntry->IfrData.Request, sizeof (HDD_PASSWORD_REQUEST));\r | |
1980 | }\r | |
1981 | Status = gRT->SetVariable (\r | |
1982 | HDD_PASSWORD_REQUEST_VARIABLE_NAME,\r | |
1983 | &mHddPasswordVendorGuid,\r | |
1984 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
1985 | NewVariableSize,\r | |
1986 | NewVariable\r | |
1987 | );\r | |
1988 | if (EFI_ERROR (Status)) {\r | |
1989 | DEBUG ((DEBUG_INFO, "HddPasswordRequest variable set failed (%r)\n", Status));\r | |
1990 | }\r | |
1991 | if (NewVariable != Variable) {\r | |
1992 | FreePool (NewVariable);\r | |
1993 | }\r | |
1994 | if (Variable != NULL) {\r | |
1995 | FreePool (Variable);\r | |
1996 | }\r | |
1997 | \r | |
1998 | DEBUG ((DEBUG_INFO, "%a() - exit\n", __FUNCTION__));\r | |
1999 | }\r | |
2000 | \r | |
2001 | /**\r | |
2002 | Get the HDD Password configuration form entry by the index of the goto opcode actived.\r | |
2003 | \r | |
2004 | @param[in] Index The 0-based index of the goto opcode actived.\r | |
2005 | \r | |
2006 | @return The HDD Password configuration form entry found.\r | |
2007 | **/\r | |
2008 | HDD_PASSWORD_CONFIG_FORM_ENTRY *\r | |
2009 | HddPasswordGetConfigFormEntryByIndex (\r | |
2010 | IN UINT32 Index\r | |
2011 | )\r | |
2012 | {\r | |
2013 | LIST_ENTRY *Entry;\r | |
2014 | UINT32 CurrentIndex;\r | |
2015 | HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry;\r | |
2016 | \r | |
2017 | CurrentIndex = 0;\r | |
2018 | ConfigFormEntry = NULL;\r | |
2019 | \r | |
2020 | EFI_LIST_FOR_EACH (Entry, &mHddPasswordConfigFormList) {\r | |
2021 | if (CurrentIndex == Index) {\r | |
2022 | ConfigFormEntry = BASE_CR (Entry, HDD_PASSWORD_CONFIG_FORM_ENTRY, Link);\r | |
2023 | break;\r | |
2024 | }\r | |
2025 | \r | |
2026 | CurrentIndex++;\r | |
2027 | }\r | |
2028 | \r | |
2029 | return ConfigFormEntry;\r | |
2030 | }\r | |
2031 | \r | |
2032 | /**\r | |
2033 | This function allows the caller to request the current\r | |
2034 | configuration for one or more named elements. The resulting\r | |
2035 | string is in <ConfigAltResp> format. Any and all alternative\r | |
2036 | configuration strings shall also be appended to the end of the\r | |
2037 | current configuration string. If they are, they must appear\r | |
2038 | after the current configuration. They must contain the same\r | |
2039 | routing (GUID, NAME, PATH) as the current configuration string.\r | |
2040 | They must have an additional description indicating the type of\r | |
2041 | alternative configuration the string represents,\r | |
2042 | "ALTCFG=<StringToken>". That <StringToken> (when\r | |
2043 | converted from Hex UNICODE to binary) is a reference to a\r | |
2044 | string in the associated string pack.\r | |
2045 | \r | |
2046 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
2047 | @param[in] Request A null-terminated Unicode string in\r | |
2048 | <ConfigRequest> format. Note that this\r | |
2049 | includes the routing information as well as\r | |
2050 | the configurable name / value pairs. It is\r | |
2051 | invalid for this string to be in\r | |
2052 | <MultiConfigRequest> format.\r | |
2053 | @param[out] Progress On return, points to a character in the\r | |
2054 | Request string. Points to the string's null\r | |
2055 | terminator if request was successful. Points\r | |
2056 | to the most recent "&" before the first\r | |
2057 | failing name / value pair (or the beginning\r | |
2058 | of the string if the failure is in the first\r | |
2059 | name / value pair) if the request was not\r | |
2060 | successful.\r | |
2061 | @param[out] Results A null-terminated Unicode string in\r | |
2062 | <ConfigAltResp> format which has all values\r | |
2063 | filled in for the names in the Request string.\r | |
2064 | String to be allocated by the called function.\r | |
2065 | \r | |
2066 | @retval EFI_SUCCESS The Results string is filled with the\r | |
2067 | values corresponding to all requested\r | |
2068 | names.\r | |
2069 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the\r | |
2070 | parts of the results that must be\r | |
2071 | stored awaiting possible future\r | |
2072 | protocols.\r | |
2073 | @retval EFI_INVALID_PARAMETER For example, passing in a NULL\r | |
2074 | for the Request parameter\r | |
2075 | would result in this type of\r | |
2076 | error. In this case, the\r | |
2077 | Progress parameter would be\r | |
2078 | set to NULL.\r | |
2079 | @retval EFI_NOT_FOUND Routing data doesn't match any\r | |
2080 | known driver. Progress set to the\r | |
2081 | first character in the routing header.\r | |
2082 | Note: There is no requirement that the\r | |
2083 | driver validate the routing data. It\r | |
2084 | must skip the <ConfigHdr> in order to\r | |
2085 | process the names.\r | |
2086 | @retval EFI_INVALID_PARAMETER Illegal syntax. Progress set\r | |
2087 | to most recent & before the\r | |
2088 | error or the beginning of the\r | |
2089 | string.\r | |
2090 | @retval EFI_INVALID_PARAMETER Unknown name. Progress points\r | |
2091 | to the & before the name in\r | |
2092 | question.Currently not implemented.\r | |
2093 | **/\r | |
2094 | EFI_STATUS\r | |
2095 | EFIAPI\r | |
2096 | HddPasswordFormExtractConfig (\r | |
2097 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
2098 | IN CONST EFI_STRING Request,\r | |
2099 | OUT EFI_STRING *Progress,\r | |
2100 | OUT EFI_STRING *Results\r | |
2101 | )\r | |
2102 | {\r | |
2103 | EFI_STATUS Status;\r | |
2104 | UINTN BufferSize;\r | |
2105 | HDD_PASSWORD_CONFIG *IfrData;\r | |
2106 | HDD_PASSWORD_DXE_PRIVATE_DATA *Private;\r | |
2107 | EFI_STRING ConfigRequestHdr;\r | |
2108 | EFI_STRING ConfigRequest;\r | |
2109 | BOOLEAN AllocatedRequest;\r | |
2110 | UINTN Size;\r | |
2111 | \r | |
2112 | if (Progress == NULL || Results == NULL) {\r | |
2113 | return EFI_INVALID_PARAMETER;\r | |
2114 | }\r | |
2115 | \r | |
2116 | *Progress = Request;\r | |
2117 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &mHddPasswordVendorGuid, mHddPasswordVendorStorageName)) {\r | |
2118 | return EFI_NOT_FOUND;\r | |
2119 | }\r | |
2120 | \r | |
2121 | ConfigRequestHdr = NULL;\r | |
2122 | ConfigRequest = NULL;\r | |
2123 | AllocatedRequest = FALSE;\r | |
2124 | Size = 0;\r | |
2125 | \r | |
2126 | Private = HDD_PASSWORD_DXE_PRIVATE_FROM_THIS (This);\r | |
2127 | IfrData = AllocateZeroPool (sizeof (HDD_PASSWORD_CONFIG));\r | |
2128 | ASSERT (IfrData != NULL);\r | |
2129 | if (Private->Current != NULL) {\r | |
2130 | CopyMem (IfrData, &Private->Current->IfrData, sizeof (HDD_PASSWORD_CONFIG));\r | |
2131 | }\r | |
2132 | \r | |
2133 | //\r | |
2134 | // Convert buffer data to <ConfigResp> by helper function BlockToConfig()\r | |
2135 | //\r | |
2136 | BufferSize = sizeof (HDD_PASSWORD_CONFIG);\r | |
2137 | ConfigRequest = Request;\r | |
2138 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r | |
2139 | //\r | |
2140 | // Request has no request element, construct full request string.\r | |
2141 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
2142 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
2143 | //\r | |
2144 | ConfigRequestHdr = HiiConstructConfigHdr (&mHddPasswordVendorGuid, mHddPasswordVendorStorageName, Private->DriverHandle);\r | |
2145 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
2146 | ConfigRequest = AllocateZeroPool (Size);\r | |
2147 | ASSERT (ConfigRequest != NULL);\r | |
2148 | AllocatedRequest = TRUE;\r | |
2149 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
2150 | FreePool (ConfigRequestHdr);\r | |
2151 | }\r | |
2152 | Status = gHiiConfigRouting->BlockToConfig (\r | |
2153 | gHiiConfigRouting,\r | |
2154 | ConfigRequest,\r | |
2155 | (UINT8 *) IfrData,\r | |
2156 | BufferSize,\r | |
2157 | Results,\r | |
2158 | Progress\r | |
2159 | );\r | |
2160 | FreePool (IfrData);\r | |
2161 | //\r | |
2162 | // Free the allocated config request string.\r | |
2163 | //\r | |
2164 | if (AllocatedRequest) {\r | |
2165 | FreePool (ConfigRequest);\r | |
2166 | ConfigRequest = NULL;\r | |
2167 | }\r | |
2168 | \r | |
2169 | //\r | |
2170 | // Set Progress string to the original request string.\r | |
2171 | //\r | |
2172 | if (Request == NULL) {\r | |
2173 | *Progress = NULL;\r | |
2174 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
2175 | *Progress = Request + StrLen (Request);\r | |
2176 | }\r | |
2177 | \r | |
2178 | return Status;\r | |
2179 | }\r | |
2180 | \r | |
2181 | /**\r | |
2182 | This function applies changes in a driver's configuration.\r | |
2183 | Input is a Configuration, which has the routing data for this\r | |
2184 | driver followed by name / value configuration pairs. The driver\r | |
2185 | must apply those pairs to its configurable storage. If the\r | |
2186 | driver's configuration is stored in a linear block of data\r | |
2187 | and the driver's name / value pairs are in <BlockConfig>\r | |
2188 | format, it may use the ConfigToBlock helper function (above) to\r | |
2189 | simplify the job. Currently not implemented.\r | |
2190 | \r | |
2191 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
2192 | @param[in] Configuration A null-terminated Unicode string in\r | |
2193 | <ConfigString> format.\r | |
2194 | @param[out] Progress A pointer to a string filled in with the\r | |
2195 | offset of the most recent '&' before the\r | |
2196 | first failing name / value pair (or the\r | |
2197 | beginn ing of the string if the failure\r | |
2198 | is in the first name / value pair) or\r | |
2199 | the terminating NULL if all was\r | |
2200 | successful.\r | |
2201 | \r | |
2202 | @retval EFI_SUCCESS The results have been distributed or are\r | |
2203 | awaiting distribution.\r | |
2204 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the\r | |
2205 | parts of the results that must be\r | |
2206 | stored awaiting possible future\r | |
2207 | protocols.\r | |
2208 | @retval EFI_INVALID_PARAMETERS Passing in a NULL for the\r | |
2209 | Results parameter would result\r | |
2210 | in this type of error.\r | |
2211 | @retval EFI_NOT_FOUND Target for the specified routing data\r | |
2212 | was not found.\r | |
2213 | **/\r | |
2214 | EFI_STATUS\r | |
2215 | EFIAPI\r | |
2216 | HddPasswordFormRouteConfig (\r | |
2217 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
2218 | IN CONST EFI_STRING Configuration,\r | |
2219 | OUT EFI_STRING *Progress\r | |
2220 | )\r | |
2221 | {\r | |
2222 | if (Configuration == NULL || Progress == NULL) {\r | |
2223 | return EFI_INVALID_PARAMETER;\r | |
2224 | }\r | |
2225 | \r | |
2226 | //\r | |
2227 | // Check routing data in <ConfigHdr>.\r | |
2228 | // Note: if only one Storage is used, then this checking could be skipped.\r | |
2229 | //\r | |
2230 | if (!HiiIsConfigHdrMatch (Configuration, &mHddPasswordVendorGuid, mHddPasswordVendorStorageName)) {\r | |
2231 | *Progress = Configuration;\r | |
2232 | return EFI_NOT_FOUND;\r | |
2233 | }\r | |
2234 | \r | |
2235 | *Progress = Configuration + StrLen (Configuration);\r | |
2236 | return EFI_SUCCESS;\r | |
2237 | }\r | |
2238 | \r | |
2239 | /**\r | |
2240 | This function is called to provide results data to the driver.\r | |
2241 | This data consists of a unique key that is used to identify\r | |
2242 | which data is either being passed back or being asked for.\r | |
2243 | \r | |
2244 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
2245 | @param[in] Action Specifies the type of action taken by the browser.\r | |
2246 | @param[in] QuestionId A unique value which is sent to the original\r | |
2247 | exporting driver so that it can identify the type\r | |
2248 | of data to expect. The format of the data tends to\r | |
2249 | vary based on the opcode that enerated the callback.\r | |
2250 | @param[in] Type The type of value for the question.\r | |
2251 | @param[in] Value A pointer to the data being sent to the original\r | |
2252 | exporting driver.\r | |
2253 | @param[out] ActionRequest On return, points to the action requested by the\r | |
2254 | callback function.\r | |
2255 | \r | |
2256 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
2257 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
2258 | variable and its data.\r | |
2259 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
2260 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
2261 | callback.Currently not implemented.\r | |
2262 | @retval EFI_INVALID_PARAMETERS Passing in wrong parameter.\r | |
2263 | @retval Others Other errors as indicated.\r | |
2264 | **/\r | |
2265 | EFI_STATUS\r | |
2266 | EFIAPI\r | |
2267 | HddPasswordFormCallback (\r | |
2268 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
2269 | IN EFI_BROWSER_ACTION Action,\r | |
2270 | IN EFI_QUESTION_ID QuestionId,\r | |
2271 | IN UINT8 Type,\r | |
2272 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
2273 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
2274 | )\r | |
2275 | {\r | |
2276 | HDD_PASSWORD_DXE_PRIVATE_DATA *Private;\r | |
2277 | EFI_STRING_ID DeviceFormTitleToken;\r | |
2278 | HDD_PASSWORD_CONFIG *IfrData;\r | |
2279 | HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry;\r | |
2280 | \r | |
2281 | if (ActionRequest != NULL) {\r | |
2282 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r | |
2283 | } else {\r | |
2284 | return EFI_INVALID_PARAMETER;\r | |
2285 | }\r | |
2286 | \r | |
2287 | if ((Action != EFI_BROWSER_ACTION_CHANGING) && (Action != EFI_BROWSER_ACTION_CHANGED)) {\r | |
2288 | //\r | |
2289 | // Do nothing for other UEFI Action. Only do call back when data is changing or changed.\r | |
2290 | //\r | |
2291 | return EFI_UNSUPPORTED;\r | |
2292 | }\r | |
2293 | \r | |
2294 | Private = HDD_PASSWORD_DXE_PRIVATE_FROM_THIS (This);\r | |
2295 | \r | |
2296 | //\r | |
2297 | // Retrive data from Browser\r | |
2298 | //\r | |
2299 | IfrData = AllocateZeroPool (sizeof (HDD_PASSWORD_CONFIG));\r | |
2300 | ASSERT (IfrData != NULL);\r | |
2301 | if (!HiiGetBrowserData (&mHddPasswordVendorGuid, mHddPasswordVendorStorageName, sizeof (HDD_PASSWORD_CONFIG), (UINT8 *) IfrData)) {\r | |
2302 | FreePool (IfrData);\r | |
2303 | return EFI_NOT_FOUND;\r | |
2304 | }\r | |
2305 | \r | |
2306 | switch (QuestionId) {\r | |
2307 | case KEY_HDD_USER_PASSWORD:\r | |
2308 | if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
2309 | DEBUG ((DEBUG_INFO, "KEY_HDD_USER_PASSWORD\n"));\r | |
2310 | ConfigFormEntry = Private->Current;\r | |
2311 | ConfigFormEntry->IfrData.Request.UserPassword = Value->b;\r | |
2312 | SaveHddPasswordRequest (ConfigFormEntry);\r | |
2313 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
2314 | }\r | |
2315 | break;\r | |
2316 | case KEY_HDD_MASTER_PASSWORD:\r | |
2317 | if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
2318 | DEBUG ((DEBUG_INFO, "KEY_HDD_MASTER_PASSWORD\n"));\r | |
2319 | ConfigFormEntry = Private->Current;\r | |
2320 | ConfigFormEntry->IfrData.Request.MasterPassword = Value->b;\r | |
2321 | SaveHddPasswordRequest (ConfigFormEntry);\r | |
2322 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
2323 | }\r | |
2324 | break;\r | |
2325 | \r | |
2326 | default:\r | |
2327 | if ((QuestionId >= KEY_HDD_DEVICE_ENTRY_BASE) && (QuestionId < (mNumberOfHddDevices + KEY_HDD_DEVICE_ENTRY_BASE))) {\r | |
2328 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r | |
2329 | //\r | |
2330 | // In case goto the device configuration form, update the device form title.\r | |
2331 | //\r | |
2332 | ConfigFormEntry = HddPasswordGetConfigFormEntryByIndex ((UINT32) (QuestionId - KEY_HDD_DEVICE_ENTRY_BASE));\r | |
2333 | ASSERT (ConfigFormEntry != NULL);\r | |
2334 | \r | |
2335 | DeviceFormTitleToken = (EFI_STRING_ID) STR_HDD_SECURITY_HD;\r | |
2336 | HiiSetString (Private->HiiHandle, DeviceFormTitleToken, ConfigFormEntry->HddString, NULL);\r | |
2337 | \r | |
2338 | Private->Current = ConfigFormEntry;\r | |
2339 | CopyMem (IfrData, &ConfigFormEntry->IfrData, sizeof (HDD_PASSWORD_CONFIG));\r | |
2340 | }\r | |
2341 | }\r | |
2342 | \r | |
2343 | break;\r | |
2344 | }\r | |
2345 | \r | |
2346 | //\r | |
2347 | // Pass changed uncommitted data back to Form Browser\r | |
2348 | //\r | |
2349 | HiiSetBrowserData (&mHddPasswordVendorGuid, mHddPasswordVendorStorageName, sizeof (HDD_PASSWORD_CONFIG), (UINT8 *) IfrData, NULL);\r | |
2350 | \r | |
2351 | FreePool (IfrData);\r | |
2352 | return EFI_SUCCESS;\r | |
2353 | }\r | |
2354 | \r | |
2355 | /**\r | |
2356 | Updates the HDD Password configuration form to add an entry for the attached\r | |
2357 | ata harddisk device specified by the Controller.\r | |
2358 | \r | |
2359 | @param[in] HiiHandle The HII Handle associated with the registered package list.\r | |
2360 | @param[in] AtaPassThru Pointer to ATA_PASSTHRU instance.\r | |
2361 | @param[in] PciIo Pointer to PCI_IO instance.\r | |
2362 | @param[in] Controller The controller handle of the attached ata controller.\r | |
2363 | @param[in] Bus The bus number of ATA controller.\r | |
2364 | @param[in] Device The device number of ATA controller.\r | |
2365 | @param[in] Function The function number of ATA controller.\r | |
2366 | @param[in] Port The port number of attached ATA device.\r | |
2367 | @param[in] PortMultiplierPort The port number of port multiplier of attached ATA device.\r | |
2368 | \r | |
2369 | @retval EFI_SUCCESS The Hdd Password configuration form is updated.\r | |
2370 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
2371 | @retval Others Other errors as indicated.\r | |
2372 | \r | |
2373 | **/\r | |
2374 | EFI_STATUS\r | |
2375 | HddPasswordConfigUpdateForm (\r | |
2376 | IN EFI_HII_HANDLE HiiHandle,\r | |
2377 | IN EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru,\r | |
2378 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
2379 | IN EFI_HANDLE Controller,\r | |
2380 | IN UINTN Bus,\r | |
2381 | IN UINTN Device,\r | |
2382 | IN UINTN Function,\r | |
2383 | IN UINT16 Port,\r | |
2384 | IN UINT16 PortMultiplierPort\r | |
2385 | )\r | |
2386 | {\r | |
2387 | LIST_ENTRY *Entry;\r | |
2388 | HDD_PASSWORD_CONFIG_FORM_ENTRY *ConfigFormEntry;\r | |
2389 | BOOLEAN EntryExisted;\r | |
2390 | EFI_STATUS Status;\r | |
2391 | VOID *StartOpCodeHandle;\r | |
2392 | VOID *EndOpCodeHandle;\r | |
2393 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
2394 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
2395 | CHAR16 HddString[40];\r | |
2396 | ATA_IDENTIFY_DATA IdentifyData;\r | |
2397 | EFI_DEVICE_PATH_PROTOCOL *AtaDeviceNode;\r | |
2398 | \r | |
2399 | ConfigFormEntry = NULL;\r | |
2400 | EntryExisted = FALSE;\r | |
2401 | \r | |
2402 | EFI_LIST_FOR_EACH (Entry, &mHddPasswordConfigFormList) {\r | |
2403 | ConfigFormEntry = BASE_CR (Entry, HDD_PASSWORD_CONFIG_FORM_ENTRY, Link);\r | |
2404 | \r | |
2405 | if ((ConfigFormEntry->Bus == Bus) &&\r | |
2406 | (ConfigFormEntry->Device == Device) &&\r | |
2407 | (ConfigFormEntry->Function == Function) &&\r | |
2408 | (ConfigFormEntry->Port == Port) &&\r | |
2409 | (ConfigFormEntry->PortMultiplierPort == PortMultiplierPort)) {\r | |
2410 | EntryExisted = TRUE;\r | |
2411 | break;\r | |
2412 | }\r | |
2413 | }\r | |
2414 | \r | |
2415 | if (!EntryExisted) {\r | |
2416 | //\r | |
2417 | // Add a new form.\r | |
2418 | //\r | |
2419 | ConfigFormEntry = AllocateZeroPool (sizeof (HDD_PASSWORD_CONFIG_FORM_ENTRY));\r | |
2420 | if (ConfigFormEntry == NULL) {\r | |
2421 | return EFI_OUT_OF_RESOURCES;\r | |
2422 | }\r | |
2423 | \r | |
2424 | InitializeListHead (&ConfigFormEntry->Link);\r | |
2425 | ConfigFormEntry->Controller = Controller;\r | |
2426 | ConfigFormEntry->Bus = Bus;\r | |
2427 | ConfigFormEntry->Device = Device;\r | |
2428 | ConfigFormEntry->Function = Function;\r | |
2429 | ConfigFormEntry->Port = Port;\r | |
2430 | ConfigFormEntry->PortMultiplierPort = PortMultiplierPort;\r | |
2431 | ConfigFormEntry->AtaPassThru = AtaPassThru;\r | |
2432 | \r | |
2433 | DEBUG ((DEBUG_INFO, "HddPasswordDxe: Create new form for device[%d][%d] at Bus 0x%x Dev 0x%x Func 0x%x\n", Port, PortMultiplierPort, Bus, Device, Function));\r | |
2434 | \r | |
2435 | //\r | |
2436 | // Construct the device path for the HDD password device\r | |
2437 | //\r | |
2438 | Status = AtaPassThru->BuildDevicePath (\r | |
2439 | AtaPassThru,\r | |
2440 | Port,\r | |
2441 | PortMultiplierPort,\r | |
2442 | &AtaDeviceNode\r | |
2443 | );\r | |
2444 | if (EFI_ERROR (Status)) {\r | |
2445 | return Status;\r | |
2446 | }\r | |
2447 | ConfigFormEntry->DevicePath = AppendDevicePathNode (DevicePathFromHandle (Controller), AtaDeviceNode);\r | |
2448 | FreePool (AtaDeviceNode);\r | |
2449 | if (ConfigFormEntry->DevicePath == NULL) {\r | |
2450 | return EFI_OUT_OF_RESOURCES;\r | |
2451 | }\r | |
2452 | \r | |
2453 | //\r | |
2454 | // Get attached harddisk model number\r | |
2455 | //\r | |
2456 | Status = GetHddDeviceIdentifyData (AtaPassThru, Port, PortMultiplierPort, &IdentifyData);\r | |
2457 | ASSERT_EFI_ERROR (Status);\r | |
2458 | if (EFI_ERROR (Status)) {\r | |
2459 | return Status;\r | |
2460 | }\r | |
2461 | GetHddDeviceModelNumber (&IdentifyData, HddString);\r | |
2462 | //\r | |
2463 | // Compose the HDD title string and help string of this port and create a new EFI_STRING_ID.\r | |
2464 | //\r | |
2465 | UnicodeSPrint (ConfigFormEntry->HddString, sizeof (ConfigFormEntry->HddString), L"HDD %d:%s", mNumberOfHddDevices, HddString);\r | |
2466 | ConfigFormEntry->TitleToken = HiiSetString (HiiHandle, 0, ConfigFormEntry->HddString, NULL);\r | |
2467 | ConfigFormEntry->TitleHelpToken = HiiSetString (HiiHandle, 0, L"Request to set HDD Password", NULL);\r | |
2468 | \r | |
2469 | GetHddPasswordSecurityStatus (&IdentifyData, &ConfigFormEntry->IfrData);\r | |
2470 | \r | |
2471 | InsertTailList (&mHddPasswordConfigFormList, &ConfigFormEntry->Link);\r | |
2472 | \r | |
2473 | //\r | |
2474 | // Init OpCode Handle\r | |
2475 | //\r | |
2476 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2477 | ASSERT (StartOpCodeHandle != NULL);\r | |
2478 | \r | |
2479 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
2480 | ASSERT (EndOpCodeHandle != NULL);\r | |
2481 | \r | |
2482 | //\r | |
2483 | // Create Hii Extend Label OpCode as the start opcode\r | |
2484 | //\r | |
2485 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));\r | |
2486 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2487 | StartLabel->Number = HDD_DEVICE_ENTRY_LABEL;\r | |
2488 | \r | |
2489 | //\r | |
2490 | // Create Hii Extend Label OpCode as the end opcode\r | |
2491 | //\r | |
2492 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));\r | |
2493 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
2494 | EndLabel->Number = HDD_DEVICE_LABEL_END;\r | |
2495 | \r | |
2496 | mNumberOfHddDevices = 0;\r | |
2497 | EFI_LIST_FOR_EACH (Entry, &mHddPasswordConfigFormList) {\r | |
2498 | ConfigFormEntry = BASE_CR (Entry, HDD_PASSWORD_CONFIG_FORM_ENTRY, Link);\r | |
2499 | \r | |
2500 | HiiCreateGotoOpCode (\r | |
2501 | StartOpCodeHandle, // Container for dynamic created opcodes\r | |
2502 | FORMID_HDD_DEVICE_FORM, // Target Form ID\r | |
2503 | ConfigFormEntry->TitleToken, // Prompt text\r | |
2504 | ConfigFormEntry->TitleHelpToken, // Help text\r | |
2505 | EFI_IFR_FLAG_CALLBACK, // Question flag\r | |
2506 | (UINT16) (KEY_HDD_DEVICE_ENTRY_BASE + mNumberOfHddDevices) // Question ID\r | |
2507 | );\r | |
2508 | \r | |
2509 | mNumberOfHddDevices++;\r | |
2510 | }\r | |
2511 | \r | |
2512 | HiiUpdateForm (\r | |
2513 | HiiHandle,\r | |
2514 | &mHddPasswordVendorGuid,\r | |
2515 | FORMID_HDD_MAIN_FORM,\r | |
2516 | StartOpCodeHandle,\r | |
2517 | EndOpCodeHandle\r | |
2518 | );\r | |
2519 | \r | |
2520 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
2521 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
2522 | \r | |
2523 | //\r | |
2524 | // Check if device is locked and prompt for password.\r | |
2525 | //\r | |
2526 | HddPasswordRequestPassword (AtaPassThru, Port, PortMultiplierPort, ConfigFormEntry);\r | |
2527 | \r | |
2528 | //\r | |
2529 | // Process HDD password request from last boot.\r | |
2530 | //\r | |
2531 | ProcessHddPasswordRequest (AtaPassThru, Port, PortMultiplierPort, ConfigFormEntry);\r | |
2532 | }\r | |
2533 | \r | |
2534 | return EFI_SUCCESS;\r | |
2535 | }\r | |
2536 | \r | |
2537 | /**\r | |
2538 | Ata Pass Thru Protocol notification event handler.\r | |
2539 | \r | |
2540 | Check attached harddisk status to see if it's locked. If yes, then pop up a password windows to require user input.\r | |
2541 | It also registers a form for user configuration on Hdd password configuration.\r | |
2542 | \r | |
2543 | @param[in] Event Event whose notification function is being invoked.\r | |
2544 | @param[in] Context Pointer to the notification function's context.\r | |
2545 | \r | |
2546 | **/\r | |
2547 | VOID\r | |
2548 | EFIAPI\r | |
2549 | HddPasswordNotificationEvent (\r | |
2550 | IN EFI_EVENT Event,\r | |
2551 | IN VOID *Context\r | |
2552 | )\r | |
2553 | {\r | |
2554 | EFI_STATUS Status;\r | |
2555 | HDD_PASSWORD_DXE_PRIVATE_DATA *Private;\r | |
2556 | EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru;\r | |
2557 | UINT16 Port;\r | |
2558 | UINT16 PortMultiplierPort;\r | |
2559 | EFI_HANDLE Controller;\r | |
2560 | EFI_HANDLE *HandleBuffer;\r | |
2561 | UINTN HandleCount;\r | |
2562 | UINTN Index;\r | |
2563 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
2564 | UINTN SegNum;\r | |
2565 | UINTN BusNum;\r | |
2566 | UINTN DevNum;\r | |
2567 | UINTN FuncNum;\r | |
2568 | \r | |
2569 | if (mHddPasswordEndOfDxe) {\r | |
2570 | gBS->CloseEvent (Event);\r | |
2571 | return;\r | |
2572 | }\r | |
2573 | \r | |
2574 | Private = (HDD_PASSWORD_DXE_PRIVATE_DATA *)Context;\r | |
2575 | \r | |
2576 | //\r | |
2577 | // Locate all handles of AtaPassThru protocol\r | |
2578 | //\r | |
2579 | Status = gBS->LocateHandleBuffer (\r | |
2580 | ByProtocol,\r | |
2581 | &gEfiAtaPassThruProtocolGuid,\r | |
2582 | NULL,\r | |
2583 | &HandleCount,\r | |
2584 | &HandleBuffer\r | |
2585 | );\r | |
2586 | if (EFI_ERROR (Status)) {\r | |
2587 | return ;\r | |
2588 | }\r | |
2589 | \r | |
2590 | //\r | |
2591 | // Check attached hard disk status to see if it's locked\r | |
2592 | //\r | |
2593 | for (Index = 0; Index < HandleCount; Index += 1) {\r | |
2594 | Controller = HandleBuffer[Index];\r | |
2595 | Status = gBS->HandleProtocol (\r | |
2596 | Controller,\r | |
2597 | &gEfiAtaPassThruProtocolGuid,\r | |
2598 | (VOID **) &AtaPassThru\r | |
2599 | );\r | |
2600 | if (EFI_ERROR (Status)) {\r | |
2601 | break;\r | |
2602 | }\r | |
2603 | \r | |
2604 | //\r | |
2605 | // Ignore those logical ATA_PASS_THRU instance.\r | |
2606 | //\r | |
2607 | if ((AtaPassThru->Mode->Attributes & EFI_ATA_PASS_THRU_ATTRIBUTES_PHYSICAL) == 0) {\r | |
2608 | continue;\r | |
2609 | }\r | |
2610 | \r | |
2611 | Status = gBS->HandleProtocol (\r | |
2612 | Controller,\r | |
2613 | &gEfiPciIoProtocolGuid,\r | |
2614 | (VOID **) &PciIo\r | |
2615 | );\r | |
2616 | ASSERT_EFI_ERROR (Status);\r | |
2617 | if (EFI_ERROR (Status)) {\r | |
2618 | break;\r | |
2619 | }\r | |
2620 | \r | |
2621 | Status = PciIo->GetLocation (\r | |
2622 | PciIo,\r | |
2623 | &SegNum,\r | |
2624 | &BusNum,\r | |
2625 | &DevNum,\r | |
2626 | &FuncNum\r | |
2627 | );\r | |
2628 | ASSERT_EFI_ERROR (Status);\r | |
2629 | if (EFI_ERROR (Status)) {\r | |
2630 | break;\r | |
2631 | }\r | |
2632 | \r | |
2633 | //\r | |
2634 | // Assume and only support Segment == 0.\r | |
2635 | //\r | |
2636 | ASSERT (SegNum == 0);\r | |
2637 | \r | |
2638 | //\r | |
2639 | // traverse all attached harddisk devices to update form and unlock it\r | |
2640 | //\r | |
2641 | Port = 0xFFFF;\r | |
2642 | \r | |
2643 | while (TRUE) {\r | |
2644 | Status = AtaPassThru->GetNextPort (AtaPassThru, &Port);\r | |
2645 | if (EFI_ERROR (Status)) {\r | |
2646 | //\r | |
2647 | // We cannot find more legal port then we are done.\r | |
2648 | //\r | |
2649 | break;\r | |
2650 | }\r | |
2651 | \r | |
2652 | PortMultiplierPort = 0xFFFF;\r | |
2653 | while (TRUE) {\r | |
2654 | Status = AtaPassThru->GetNextDevice (AtaPassThru, Port, &PortMultiplierPort);\r | |
2655 | if (EFI_ERROR (Status)) {\r | |
2656 | //\r | |
2657 | // We cannot find more legal port multiplier port number for ATA device\r | |
2658 | // on the port, then we are done.\r | |
2659 | //\r | |
2660 | break;\r | |
2661 | }\r | |
2662 | //\r | |
2663 | // Find out the attached harddisk devices.\r | |
2664 | // Try to add a HDD Password configuration page for the attached devices.\r | |
2665 | //\r | |
2666 | gBS->RestoreTPL (TPL_APPLICATION);\r | |
2667 | Status = HddPasswordConfigUpdateForm (Private->HiiHandle, AtaPassThru, PciIo, Controller, BusNum, DevNum, FuncNum, Port, PortMultiplierPort);\r | |
2668 | gBS->RaiseTPL (TPL_CALLBACK);\r | |
2669 | if (EFI_ERROR (Status)) {\r | |
2670 | break;\r | |
2671 | }\r | |
2672 | }\r | |
2673 | }\r | |
2674 | }\r | |
2675 | \r | |
2676 | FreePool (HandleBuffer);\r | |
2677 | return ;\r | |
2678 | }\r | |
2679 | \r | |
2680 | /**\r | |
2681 | Initialize the HDD Password configuration form.\r | |
2682 | \r | |
2683 | @param[out] Instance Pointer to private instance.\r | |
2684 | \r | |
2685 | @retval EFI_SUCCESS The HDD Password configuration form is initialized.\r | |
2686 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
2687 | @retval Others Other errors as indicated.\r | |
2688 | **/\r | |
2689 | EFI_STATUS\r | |
2690 | HddPasswordConfigFormInit (\r | |
2691 | OUT HDD_PASSWORD_DXE_PRIVATE_DATA **Instance\r | |
2692 | )\r | |
2693 | {\r | |
2694 | EFI_STATUS Status;\r | |
2695 | HDD_PASSWORD_DXE_PRIVATE_DATA *Private;\r | |
2696 | \r | |
2697 | InitializeListHead (&mHddPasswordConfigFormList);\r | |
2698 | \r | |
2699 | Private = AllocateZeroPool (sizeof (HDD_PASSWORD_DXE_PRIVATE_DATA));\r | |
2700 | if (Private == NULL) {\r | |
2701 | return EFI_OUT_OF_RESOURCES;\r | |
2702 | }\r | |
2703 | \r | |
2704 | Private->Signature = HDD_PASSWORD_DXE_PRIVATE_SIGNATURE;\r | |
2705 | \r | |
2706 | Private->ConfigAccess.ExtractConfig = HddPasswordFormExtractConfig;\r | |
2707 | Private->ConfigAccess.RouteConfig = HddPasswordFormRouteConfig;\r | |
2708 | Private->ConfigAccess.Callback = HddPasswordFormCallback;\r | |
2709 | \r | |
2710 | //\r | |
2711 | // Install Device Path Protocol and Config Access protocol to driver handle\r | |
2712 | //\r | |
2713 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
2714 | &Private->DriverHandle,\r | |
2715 | &gEfiDevicePathProtocolGuid,\r | |
2716 | &mHddPasswordHiiVendorDevicePath,\r | |
2717 | &gEfiHiiConfigAccessProtocolGuid,\r | |
2718 | &Private->ConfigAccess,\r | |
2719 | NULL\r | |
2720 | );\r | |
2721 | ASSERT_EFI_ERROR (Status);\r | |
2722 | if (EFI_ERROR (Status)) {\r | |
2723 | FreePool(Private);\r | |
2724 | return Status;\r | |
2725 | }\r | |
2726 | \r | |
2727 | //\r | |
2728 | // Publish our HII data\r | |
2729 | //\r | |
2730 | Private->HiiHandle = HiiAddPackages (\r | |
2731 | &mHddPasswordVendorGuid,\r | |
2732 | Private->DriverHandle,\r | |
2733 | HddPasswordDxeStrings,\r | |
2734 | HddPasswordBin,\r | |
2735 | NULL\r | |
2736 | );\r | |
2737 | if (Private->HiiHandle == NULL) {\r | |
2738 | FreePool(Private);\r | |
2739 | return EFI_OUT_OF_RESOURCES;\r | |
2740 | }\r | |
2741 | \r | |
2742 | *Instance = Private;\r | |
2743 | return Status;\r | |
2744 | }\r | |
2745 | \r | |
2746 | /**\r | |
2747 | Main entry for this driver.\r | |
2748 | \r | |
2749 | @param ImageHandle Image handle this driver.\r | |
2750 | @param SystemTable Pointer to SystemTable.\r | |
2751 | \r | |
2752 | @retval EFI_SUCESS This function always complete successfully.\r | |
2753 | \r | |
2754 | **/\r | |
2755 | EFI_STATUS\r | |
2756 | EFIAPI\r | |
2757 | HddPasswordDxeInit (\r | |
2758 | IN EFI_HANDLE ImageHandle,\r | |
2759 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
2760 | )\r | |
2761 | {\r | |
2762 | EFI_STATUS Status;\r | |
2763 | HDD_PASSWORD_DXE_PRIVATE_DATA *Private;\r | |
2764 | EFI_EVENT Registration;\r | |
2765 | EFI_EVENT EndOfDxeEvent;\r | |
2766 | EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock;\r | |
2767 | \r | |
2768 | Private = NULL;\r | |
2769 | \r | |
2770 | //\r | |
2771 | // Initialize the configuration form of HDD Password.\r | |
2772 | //\r | |
2773 | Status = HddPasswordConfigFormInit (&Private);\r | |
2774 | if (EFI_ERROR (Status)) {\r | |
2775 | return Status;\r | |
2776 | }\r | |
2777 | \r | |
2778 | //\r | |
2779 | // Register HddPasswordNotificationEvent() notify function.\r | |
2780 | //\r | |
2781 | EfiCreateProtocolNotifyEvent (\r | |
2782 | &gEfiAtaPassThruProtocolGuid,\r | |
2783 | TPL_CALLBACK,\r | |
2784 | HddPasswordNotificationEvent,\r | |
2785 | (VOID *)Private,\r | |
2786 | &Registration\r | |
2787 | );\r | |
2788 | \r | |
2789 | Status = gBS->CreateEventEx (\r | |
2790 | EVT_NOTIFY_SIGNAL,\r | |
2791 | TPL_CALLBACK,\r | |
2792 | HddPasswordEndOfDxeEventNotify,\r | |
2793 | NULL,\r | |
2794 | &gEfiEndOfDxeEventGroupGuid,\r | |
2795 | &EndOfDxeEvent\r | |
2796 | );\r | |
2797 | ASSERT_EFI_ERROR (Status);\r | |
2798 | \r | |
2799 | //\r | |
2800 | // Make HDD_PASSWORD_VARIABLE_NAME varible read-only.\r | |
2801 | //\r | |
2802 | Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **) &VariableLock);\r | |
2803 | if (!EFI_ERROR (Status)) {\r | |
2804 | Status = VariableLock->RequestToLock (\r | |
2805 | VariableLock,\r | |
2806 | HDD_PASSWORD_VARIABLE_NAME,\r | |
2807 | &mHddPasswordVendorGuid\r | |
2808 | );\r | |
2809 | DEBUG ((DEBUG_INFO, "%a(): Lock %s variable (%r)\n", __FUNCTION__, HDD_PASSWORD_VARIABLE_NAME, Status));\r | |
2810 | ASSERT_EFI_ERROR (Status);\r | |
2811 | }\r | |
2812 | \r | |
2813 | return Status;\r | |
2814 | }\r |