diff options
Diffstat (limited to 'SecurityPkg/Library/DxeTcgPhysicalPresenceStorageLib/DxeTcgPhysicalPresenceStorageLib.c')
| -rw-r--r-- | SecurityPkg/Library/DxeTcgPhysicalPresenceStorageLib/DxeTcgPhysicalPresenceStorageLib.c | 390 |
1 files changed, 0 insertions, 390 deletions
diff --git a/SecurityPkg/Library/DxeTcgPhysicalPresenceStorageLib/DxeTcgPhysicalPresenceStorageLib.c b/SecurityPkg/Library/DxeTcgPhysicalPresenceStorageLib/DxeTcgPhysicalPresenceStorageLib.c deleted file mode 100644 index 1b8a09ca84..0000000000 --- a/SecurityPkg/Library/DxeTcgPhysicalPresenceStorageLib/DxeTcgPhysicalPresenceStorageLib.c +++ /dev/null @@ -1,390 +0,0 @@ -/** @file
- Tcg PP storage library instance that does support any storage specific PPI.
-
-Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
-This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution. The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-#include <PiDxe.h>
-
-#include <Guid/PhysicalPresenceData.h>
-#include <Guid/Tcg2PhysicalPresenceData.h>
-#include <Guid/TcgPhysicalPresenceStorageData.h>
-
-#include <IndustryStandard/TcgPhysicalPresence.h>
-
-#include <Protocol/VariableLock.h>
-
-#include <Library/DebugLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
-#include <Library/UefiDriverEntryPoint.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/PrintLib.h>
-#include <Library/HiiLib.h>
-#include <Library/HobLib.h>
-
-#include <Library/TcgPhysicalPresenceStorageLib.h>
-
-#include "DxeTcgPhysicalPresenceStorage.h"
-#include "DxeTcg2PhysicalPresenceStorage.h"
-
-#define CONFIRM_BUFFER_SIZE 4096
-
-EFI_HII_HANDLE mTcgPpStorageStringPackHandle;
-
-/**
- Get string by string id from HII Interface.
-
- @param[in] Id String ID.
-
- @retval CHAR16 * String from ID.
- @retval NULL If error occurs.
-
-**/
-CHAR16 *
-TcgPpGetStringById (
- IN EFI_STRING_ID Id
- )
-{
- return HiiGetString (mTcgPpStorageStringPackHandle, Id, NULL);
-}
-
-/**
- Read the specified key for user confirmation.
-
- @retval TRUE User confirmed the changes by input.
- @retval FALSE User discarded the changes.
-**/
-BOOLEAN
-TcgPpStrageReadUserKey (
- VOID
- )
-{
- EFI_STATUS Status;
- EFI_INPUT_KEY Key;
- UINT16 InputKey;
-
- InputKey = 0;
- do {
- Status = gBS->CheckEvent (gST->ConIn->WaitForKey);
- if (!EFI_ERROR (Status)) {
- Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
- if (Key.ScanCode == SCAN_ESC) {
- InputKey = Key.ScanCode;
- }
- if ((Key.ScanCode == SCAN_F10)) {
- InputKey = Key.ScanCode;
- }
- }
- } while (InputKey == 0);
-
- if (InputKey != SCAN_ESC) {
- return TRUE;
- }
-
- return FALSE;
-}
-
-/**
- Display the confirm text and get user confirmation.
-
- @param[in] TpmPpCommand The requested TPM physical presence command.
-
- @retval TRUE The user has confirmed the changes.
- @retval FALSE The user doesn't confirm the changes.
-**/
-BOOLEAN
-TcgPpUserConfirm (
- IN UINT8 TpmPpCommand
- )
-{
- CHAR16 *ConfirmText;
- CHAR16 *TmpStr1;
- CHAR16 *TmpStr2;
- UINTN BufSize;
- UINT16 Index;
- CHAR16 DstStr[81];
-
- TmpStr2 = NULL;
- BufSize = CONFIRM_BUFFER_SIZE;
- ConfirmText = AllocateZeroPool (BufSize);
- ASSERT (ConfirmText != NULL);
-
- switch (TpmPpCommand) {
- case TCG2_PHYSICAL_PRESENCE_SET_PP_REQUIRED_FOR_ENABLE_BLOCK_SID_FUNC_TRUE:
- TmpStr2 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_PP_ENABLE_BLOCK_SID));
-
- TmpStr1 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_HEAD_STR));
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);
- FreePool (TmpStr1);
- break;
-
- case TCG2_PHYSICAL_PRESENCE_SET_PP_REQUIRED_FOR_ENABLE_BLOCK_SID_FUNC_FALSE:
- TmpStr2 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_PP_ENABLE_BLOCK_SID));
-
- TmpStr1 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_HEAD_STR));
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);
- FreePool (TmpStr1);
- break;
-
- case TCG2_PHYSICAL_PRESENCE_SET_PP_REQUIRED_FOR_DISABLE_BLOCK_SID_FUNC_TRUE:
- TmpStr2 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_PP_DISABLE_BLOCK_SID));
-
- TmpStr1 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_HEAD_STR));
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);
- FreePool (TmpStr1);
- break;
-
- case TCG2_PHYSICAL_PRESENCE_SET_PP_REQUIRED_FOR_DISABLE_BLOCK_SID_FUNC_FALSE:
- TmpStr2 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_PP_DISABLE_BLOCK_SID));
-
- TmpStr1 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_HEAD_STR));
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);
- FreePool (TmpStr1);
- break;
-
- case TCG2_PHYSICAL_PRESENCE_ENABLE_BLOCK_SID:
- TmpStr2 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_ENABLE_BLOCK_SID));
-
- TmpStr1 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_HEAD_STR));
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);
- FreePool (TmpStr1);
- break;
-
- case TCG2_PHYSICAL_PRESENCE_DISABLE_BLOCK_SID:
- TmpStr2 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_DISABLE_BLOCK_SID));
-
- TmpStr1 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_HEAD_STR));
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);
- FreePool (TmpStr1);
- break;
-
- default:
- break;
- }
-
- TmpStr1 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_ACCEPT_KEY));
- StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
- FreePool (TmpStr1);
-
- TmpStr1 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_NO_PPI_INFO));
- StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
- FreePool (TmpStr1);
-
-
- TmpStr1 = TcgPpGetStringById (STRING_TOKEN (TCG_STORAGE_REJECT_KEY));
- BufSize -= StrSize (ConfirmText);
- UnicodeSPrint (ConfirmText + StrLen (ConfirmText), BufSize, TmpStr1, TmpStr2);
-
- DstStr[80] = L'\0';
- for (Index = 0; Index < StrLen (ConfirmText); Index += 80) {
- StrnCpyS (DstStr, sizeof (DstStr) / sizeof (CHAR16), ConfirmText + Index, sizeof (DstStr) / sizeof (CHAR16) - 1);
- Print (DstStr);
- }
-
- FreePool (TmpStr1);
- FreePool (TmpStr2);
- FreePool (ConfirmText);
-
- if (TcgPpStrageReadUserKey ()) {
- return TRUE;
- }
-
- return FALSE;
-}
-
-/**
- The handler for TPM physical presence function:
- Submit TPM Operation Request to Pre-OS Environment and
- Submit TPM Operation Request to Pre-OS Environment 2.
-
- Caution: This function may receive untrusted input.
-
- @param[in] OperationRequest TPM physical presence operation request.
- @param[in] RequestParameter TPM physical presence operation request parameter.
-
- @return Return Code for Submit TPM Operation Request to Pre-OS Environment and
- Submit TPM Operation Request to Pre-OS Environment 2.
-**/
-UINT32
-EFIAPI
-TcgPhysicalPresenceStorageLibSubmitRequestToPreOSFunction (
- IN UINT32 OperationRequest,
- IN UINT32 RequestParameter
- )
-{
- //
- // Get Physical Presence command state
- //
- if (CompareGuid(PcdGetPtr(PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceTpm12Guid)) {
- return TcgSubmitStorageRequest (OperationRequest, RequestParameter);
- } else {
- return Tcg2SubmitStorageRequest (OperationRequest, RequestParameter);
- }
-}
-
-/**
- The handler for TPM physical presence function:
- Return TPM Operation Response to OS Environment.
-
- @param[out] MostRecentRequest Most recent operation request.
- @param[out] Response Response to the most recent operation request.
-
- @return Return Code for Return TPM Operation Response to OS Environment.
-**/
-UINT32
-EFIAPI
-TcgPhysicalPresenceStorageLibReturnOperationResponseToOsFunction (
- OUT UINT32 *MostRecentRequest,
- OUT UINT32 *Response
- )
-{
- //
- // Get Physical Presence command state
- //
- if (CompareGuid(PcdGetPtr(PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceTpm12Guid)) {
- return TcgReturnOperationResponseToOsFunction (MostRecentRequest, Response);
- } else {
- return Tcg2ReturnOperationResponseToOsFunction (MostRecentRequest, Response);
- }
-}
-
-/**
- Check if the pending TPM request needs user input to confirm.
-
- The TPM request may come from OS. This API will check if TPM request exists and need user
- input to confirmation.
-
- @retval TRUE TPM needs input to confirm user physical presence.
- @retval FALSE TPM doesn't need input to confirm user physical presence.
-
-**/
-BOOLEAN
-EFIAPI
-TcgPhysicalPresenceStorageLibNeedUserConfirm(
- VOID
- )
-{
- //
- // Get Physical Presence command state
- //
- if (CompareGuid(PcdGetPtr(PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceTpm12Guid)) {
- return TcgNeedUserConfirm ();
- } else {
- return Tcg2NeedUserConfirm ();
- }
-}
-
-/**
- Check and execute the pending TPM request.
-
- The TPM request may come from OS or BIOS. This API will display request information and wait
- for user confirmation if TPM request exists. The TPM request will be sent to TPM device after
- the TPM request is confirmed, and one or more reset may be required to make TPM request to
- take effect.
-
- This API should be invoked after console in and console out are all ready as they are required
- to display request information and get user input to confirm the request.
-
- @param[in] PlatformAuth platform auth value. NULL means no platform auth change.
-**/
-VOID
-EFIAPI
-TcgPhysicalPresenceStorageLibProcessRequest (
- VOID
- )
-{
- //
- // Get Physical Presence command state
- //
- if (CompareGuid(PcdGetPtr(PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceTpm12Guid)) {
- TcgProcessStorageRequest();
- } else {
- Tcg2ProcessStorageRequest ();
- }
-}
-
-/**
- The handler for TPM physical presence function:
- Return TPM Operation flag variable.
-
- @return Return Code for Return TPM Operation flag variable.
-**/
-UINT32
-EFIAPI
-TcgPhysicalPresenceStorageLibReturnStorageFlags (
- VOID
- )
-{
- UINTN DataSize;
- EFI_TCG_PHYSICAL_PRESENCE_STORAGE_FLAGS PpiFlags;
- EFI_STATUS Status;
-
-
- DataSize = sizeof (EFI_TCG_PHYSICAL_PRESENCE_STORAGE_FLAGS);
- Status = gRT->GetVariable (
- TCG_PHYSICAL_PRESENCE_STORAGE_FLAGS_VARIABLE,
- &gEfiTcgPhysicalPresenceStorageGuid,
- NULL,
- &DataSize,
- &PpiFlags
- );
- if (EFI_ERROR (Status)) {
- return TCG_BIOS_STORAGE_MANAGEMENT_FLAG_DEFAULT;
- }
-
- return PpiFlags.PPFlags;
-}
-
-/**
-
- Install Boot Manager Menu driver.
-
- @param ImageHandle The image handle.
- @param SystemTable The system table.
-
- @retval EFI_SUCEESS Install Boot manager menu success.
- @retval Other Return error status.
-
-**/
-EFI_STATUS
-EFIAPI
-TcgPhysicalPresenceStorageLibConstructor (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- mTcgPpStorageStringPackHandle = HiiAddPackages (&gEfiTcgPhysicalPresenceStorageGuid, gImageHandle, DxeTcgPhysicalPresenceStorageLibStrings, NULL);
- ASSERT (mTcgPpStorageStringPackHandle != NULL);
-
- return EFI_SUCCESS;
-}
-
-/**
- Unloads the application and its installed protocol.
-
- @param[in] ImageHandle Handle that identifies the image to be unloaded.
- @param[in] SystemTable System Table
-
- @retval EFI_SUCCESS The image has been unloaded.
-**/
-EFI_STATUS
-EFIAPI
-TcgPhysicalPresenceStorageLibDestructor (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- HiiRemovePackages (mTcgPpStorageStringPackHandle);
-
- return EFI_SUCCESS;
-}
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