SCT spec: https://bugzilla.tianocore.org/show_bug.cgi?id=4374
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4419 -Implement MemoryOverwriteRequestControlLock Locked No Key State test cases -Add Assertions 23 - 32 from SCT spec -Add Test Case to MemoryOverwriteRequestFunctionTest Cc: G Edhaya Chandran <edhaya.chand...@arm.com> Cc: Barton Gao <gao...@byosoft.com.cn> Cc: Carolyn Gjertsen <carolyn.gjert...@amd.com> Signed-off-by: Abhi Singh <abhi.si...@arm.com> Change-Id: I298f8a0f55376b00233c9ee9c6b0262dc8869ccb --- uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.h | 50 +++ uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestMain.h | 11 + uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.c | 20 + uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestFunction.c | 425 ++++++++++++++++++++ 4 files changed, 506 insertions(+) diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.h b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.h index daf17793c094..023e7a37322c 100644 --- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.h +++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.h @@ -91,6 +91,36 @@ Abstract: #define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_022_GUID \ { 0x490d7b39, 0xcad4, 0x4e8c, {0xb1, 0x5d, 0x63, 0xd2, 0x0c, 0xb3, 0xe9, 0x45 }} +#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_023_GUID \ +{ 0x397394ae, 0xce01, 0x4350, {0xa2, 0x0c, 0xe1, 0xb3, 0xe8, 0x74, 0xdc, 0x01 }} + +#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_024_GUID \ +{ 0x9cf27a60, 0x94b5, 0x4e2e, {0xb3, 0x2b, 0x51, 0x0f, 0x24, 0x7a, 0x80, 0xd7 }} + +#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_025_GUID \ +{ 0x766dc008, 0x2a88, 0x4eed, {0x91, 0x95, 0x46, 0x92, 0xdc, 0xcc, 0x1d, 0xf6 }} + +#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_026_GUID \ +{ 0x5f66c8e5, 0x1bf8, 0x4af4, {0x86, 0x45, 0xf4, 0x93, 0xa0, 0xee, 0x26, 0x88 }} + +#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_027_GUID \ +{ 0x1064f6ce, 0xb307, 0x4981, {0xac, 0x8f, 0xe5, 0xca, 0x20, 0x6c, 0x1b, 0x8b }} + +#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_028_GUID \ +{ 0x40f2c4e9, 0xe937, 0x426e, {0x98, 0xc5, 0x62, 0xca, 0x23, 0x68, 0x52, 0xd0 }} + +#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_029_GUID \ +{ 0x6d5dcb4d, 0xe008, 0x41cc, {0x98, 0x32, 0xdf, 0xa8, 0x38, 0xb1, 0xb6, 0x02 }} + +#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_030_GUID \ +{ 0x29b81ee0, 0x368d, 0x447c, {0x9e, 0xd0, 0xa5, 0xfe, 0xd7, 0x02, 0x65, 0x7b }} + +#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_031_GUID \ +{ 0xe88b22ce, 0x3de6, 0x49b0, {0xb2, 0x46, 0x9e, 0x35, 0x98, 0x2b, 0x9b, 0x1c }} + +#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_032_GUID \ +{ 0xc8894201, 0x7a3a, 0x47d4, {0xa8, 0x8d, 0xdf, 0x4b, 0x03, 0xff, 0xde, 0x4f }} + extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid001; extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid002; @@ -134,3 +164,23 @@ extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid020; extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid021; extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid022; + +extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid023; + +extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid024; + +extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid025; + +extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid026; + +extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid027; + +extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid028; + +extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid029; + +extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid030; + +extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid031; + +extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid032; diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestMain.h b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestMain.h index 15eedc60f19d..94ed476f86ad 100644 --- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestMain.h +++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestMain.h @@ -51,6 +51,10 @@ typedef struct _RESET_DATA { #define MOR_LOCK_DATA_UNLOCKED 0x0 #define MOR_LOCK_DATA_LOCKED_WITHOUT_KEY 0x1 +#define MOR_LOCK_WITH_KEY_SIZE 8 + +#define MOR_LOCK_TEST_KEY 0x11111111 + // // TEST GUID for TCG Platform Reset Attack Mitigation MemoryOverwriteRequest (MOR) Test @@ -107,6 +111,13 @@ TCGMemoryOverwriteRequestControlLockUnlockedState ( IN RESET_DATA *ResetData ); +EFI_STATUS +TCGMemoryOverwriteRequestControlLockLockedNoKeyState ( + IN EFI_STANDARD_TEST_LIBRARY_PROTOCOL *StandardLib, + IN EFI_TEST_RECOVERY_LIBRARY_PROTOCOL *RecoveryLib, + IN RESET_DATA *ResetData + ); + // **************************************************************************** // Entry GUIDs for Test // **************************************************************************** diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.c b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.c index c41a611d3a4e..11d49306059d 100644 --- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.c +++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.c @@ -71,3 +71,23 @@ EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid020 = EFI_TEST_TCGMO EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid021 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_021_GUID; EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid022 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_022_GUID; + +EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid023 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_023_GUID; + +EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid024 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_024_GUID; + +EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid025 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_025_GUID; + +EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid026 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_026_GUID; + +EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid027 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_027_GUID; + +EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid028 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_028_GUID; + +EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid029 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_029_GUID; + +EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid030 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_030_GUID; + +EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid031 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_031_GUID; + +EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid032 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_032_GUID; diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestFunction.c b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestFunction.c index 77abab6e79be..5f5f369124f2 100644 --- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestFunction.c +++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestFunction.c @@ -43,6 +43,8 @@ Abstract: #define LOCK_NO_KEY_STATE_TEST 5 +#define LOCK_WITH_KEY_STATE_TEST 6 + /** * Entry point for TCG Platform Reset Attack Mitigation MemoryOverwrite EFI Variables Function Test. @@ -159,6 +161,15 @@ BBTestTCGMemoryOverwriteRequestFunctionTest ( return Status; } } + if (ResetData->CheckpointStep == LOCK_NO_KEY_STATE_TEST) { + // + // Test Checkpoint LOCK_NO_KEY_STATE_TEST + // + TCGMemoryOverwriteRequestControlLockLockedNoKeyState (StandardLib, RecoveryLib, ResetData); + if(EFI_ERROR(Status)) { + return Status; + } + } // // After all Checkpoints have run // @@ -1239,3 +1250,417 @@ MORLOCK_UNLOCKED_STATE: return EFI_SUCCESS; } + + +/** + * MemoryOverwriteRequestControlLock in Locked No Key State Test + * When Unlocked, a valid setvariable() with data value 0x01 must return EFI_SUCCESS + * and the Lock value must be 0x01, value cannot changetill the system is cold reset + * + * When Locked with no Key, SetVariable() with Data = 0x01, 0x00, or 0x11111111 (key) + * must return EFI_ACCESS_DENIED and value must still equal 0x01 + * @param StandardLib A pointer to EFI_STANDARD_TEST_LIBRARY_PROTOCOL + * instance. + * @param RecoveryLib A pointer to EFI_TEST_RECOVERY_LIBRARY_PROTOCOL + * instance. + * @param ResetData A pointer to the ResetData Buffer which is used throughout + * the test + * @return EFI_SUCCESS Successfully. + * @return Other value Something failed. + */ +EFI_STATUS +TCGMemoryOverwriteRequestControlLockLockedNoKeyState ( + IN EFI_STANDARD_TEST_LIBRARY_PROTOCOL *StandardLib, + IN EFI_TEST_RECOVERY_LIBRARY_PROTOCOL *RecoveryLib, + IN RESET_DATA *ResetData + ) +{ + EFI_STATUS Status; + EFI_TEST_ASSERTION Result; + UINTN DataSize; + UINTN MemoryOverwriteControlLockKeyValue; + UINT8 MemoryOverwriteRequestControlLockData; + UINT8 MemoryOverwriteRequestControlData; + UINT8 MemoryOverwriteRequestControlDataCached; + UINT32 Attributes; + + if (ResetData->Step == 0) { + goto INITIAL_RESET; + } else if (ResetData->Step == 1) { + goto MORLOCK_LOCKED_STATE; + } + +INITIAL_RESET: + // + // Reset MORLock variable by performing a cold reset + // + ResetData->Step = 1; + ResetData->CheckpointStep = LOCK_NO_KEY_STATE_TEST; + + Status = RecoveryLib->WriteResetRecord ( + RecoveryLib, + sizeof (RESET_DATA), + (UINT8*)ResetData + ); + if (EFI_ERROR(Status)) { + StandardLib->RecordAssertion ( + StandardLib, + EFI_TEST_ASSERTION_FAILED, + gTestGenericFailureGuid, + L"TestRecoveryLib - WriteResetRecord", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + return Status; + } + SctPrint (L"System will cold reset after 1 second..."); + gtBS->Stall (1000000); + gtRT->ResetSystem ( + EfiResetCold, + EFI_SUCCESS, + 0, + NULL + ); + +MORLOCK_LOCKED_STATE: + //change checkpoint to next function + ResetData->Step = 0; + ResetData->CheckpointStep = LOCK_WITH_KEY_STATE_TEST; + + Status = RecoveryLib->WriteResetRecord ( + RecoveryLib, + sizeof (RESET_DATA), + (UINT8*)ResetData + ); + if (EFI_ERROR(Status)) { + StandardLib->RecordAssertion ( + StandardLib, + EFI_TEST_ASSERTION_FAILED, + gTestGenericFailureGuid, + L"TestRecoveryLib - WriteResetRecord", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + return Status; + } + + // + // After Cold Reset, MORLOCK SetVariable() with value 0x01 must return EFI_SUCCESS + // and MORLOCK GetVariable() value must now be MOR_LOCK_DATA_LOCKED_WITHOUT_KEY + // + DataSize = sizeof(MemoryOverwriteRequestControlLockData); + Attributes = TCG_MOR_VARIABLE_ATTRIBUTES; + MemoryOverwriteRequestControlLockData = MOR_LOCK_DATA_LOCKED_WITHOUT_KEY; + + Status = gtRT->SetVariable ( + L"MemoryOverwriteRequestControlLock", // VariableName + &gEfiMemoryOverwriteRequestControlLockGuid, // VendorGuid + Attributes, // Attributes + DataSize, // DataSize + &MemoryOverwriteRequestControlLockData // Data + ); + if (Status == EFI_SUCCESS) { + Result = EFI_TEST_ASSERTION_PASSED; + } else { + Result = EFI_TEST_ASSERTION_FAILED; + } + + StandardLib->RecordAssertion ( + StandardLib, + Result, + gTCGMemoryOverwriteRequestTestFunctionAssertionGuid023, + L"MemoryOverwriteRequestControlLock - Setting to Locked without key when Unlocked returns EFI_SUCCESS", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + + DataSize = sizeof(MemoryOverwriteRequestControlLockData); + Attributes = TCG_MOR_VARIABLE_ATTRIBUTES; + + Status = gtRT->GetVariable ( + L"MemoryOverwriteRequestControlLock", // VariableName + &gEfiMemoryOverwriteRequestControlLockGuid, // VendorGuid + &Attributes, // Attributes + &DataSize, // DataSize + &MemoryOverwriteRequestControlLockData // Data + ); + if (EFI_ERROR (Status) || (MemoryOverwriteRequestControlLockData != MOR_LOCK_DATA_LOCKED_WITHOUT_KEY)) { + Result = EFI_TEST_ASSERTION_FAILED; + } else { + Result = EFI_TEST_ASSERTION_PASSED; + } + + StandardLib->RecordAssertion ( + StandardLib, + Result, + gTCGMemoryOverwriteRequestTestFunctionAssertionGuid024, + L"MemoryOverwriteRequestControlLock - Lock State is now Locked without Key", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + + // + // Once Locked with no key, MORLOCK SetVariable() with value 0x00 must return EFI_ACCESS_DENIED + // and MORLOCK GetVariable() value must still be 0x01 + // + DataSize = sizeof(MemoryOverwriteRequestControlLockData); + Attributes = TCG_MOR_VARIABLE_ATTRIBUTES; + MemoryOverwriteRequestControlLockData = MOR_LOCK_DATA_UNLOCKED; + + Status = gtRT->SetVariable ( + L"MemoryOverwriteRequestControlLock", // VariableName + &gEfiMemoryOverwriteRequestControlLockGuid, // VendorGuid + Attributes, // Attributes + DataSize, // DataSize + &MemoryOverwriteRequestControlLockData // Data + ); + if (Status == EFI_ACCESS_DENIED) { + Result = EFI_TEST_ASSERTION_PASSED; + } else { + Result = EFI_TEST_ASSERTION_FAILED; + } + + StandardLib->RecordAssertion ( + StandardLib, + Result, + gTCGMemoryOverwriteRequestTestFunctionAssertionGuid025, + L"MemoryOverwriteRequestControlLock - Setting to Unlocked when Locked without key returns EFI_ACCESS_DENIED", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + + DataSize = sizeof(MemoryOverwriteRequestControlLockData); + Attributes = TCG_MOR_VARIABLE_ATTRIBUTES; + + Status = gtRT->GetVariable ( + L"MemoryOverwriteRequestControlLock", // VariableName + &gEfiMemoryOverwriteRequestControlLockGuid, // VendorGuid + &Attributes, // Attributes + &DataSize, // DataSize + &MemoryOverwriteRequestControlLockData // Data + ); + if (EFI_ERROR (Status) || (MemoryOverwriteRequestControlLockData != MOR_LOCK_DATA_LOCKED_WITHOUT_KEY)) { + Result = EFI_TEST_ASSERTION_FAILED; + } else { + Result = EFI_TEST_ASSERTION_PASSED; + } + + StandardLib->RecordAssertion ( + StandardLib, + Result, + gTCGMemoryOverwriteRequestTestFunctionAssertionGuid026, + L"MemoryOverwriteRequestControlLock - Lock State is still Locked without Key", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + + // + // Once Locked with no key, MORLOCK SetVariable() with value 0x01 must return EFI_ACCESS_DENIED + // and MORLOCK GetVariable() value must still be 0x01 + // + DataSize = sizeof(MemoryOverwriteRequestControlLockData); + Attributes = TCG_MOR_VARIABLE_ATTRIBUTES; + MemoryOverwriteRequestControlLockData = MOR_LOCK_DATA_LOCKED_WITHOUT_KEY; + + Status = gtRT->SetVariable ( + L"MemoryOverwriteRequestControlLock", // VariableName + &gEfiMemoryOverwriteRequestControlLockGuid, // VendorGuid + Attributes, // Attributes + DataSize, // DataSize + &MemoryOverwriteRequestControlLockData // Data + ); + if (Status == EFI_ACCESS_DENIED) { + Result = EFI_TEST_ASSERTION_PASSED; + } else { + Result = EFI_TEST_ASSERTION_FAILED; + } + + StandardLib->RecordAssertion ( + StandardLib, + Result, + gTCGMemoryOverwriteRequestTestFunctionAssertionGuid027, + L"MemoryOverwriteRequestControlLock - Setting to Locked without key when already Locked without key returns EFI_ACCESS_DENIED", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + + DataSize = sizeof(MemoryOverwriteRequestControlLockData); + Attributes = TCG_MOR_VARIABLE_ATTRIBUTES; + + Status = gtRT->GetVariable ( + L"MemoryOverwriteRequestControlLock", // VariableName + &gEfiMemoryOverwriteRequestControlLockGuid, // VendorGuid + &Attributes, // Attributes + &DataSize, // DataSize + &MemoryOverwriteRequestControlLockData // Data + ); + if (EFI_ERROR (Status) || (MemoryOverwriteRequestControlLockData != MOR_LOCK_DATA_LOCKED_WITHOUT_KEY)) { + Result = EFI_TEST_ASSERTION_FAILED; + } else { + Result = EFI_TEST_ASSERTION_PASSED; + } + + StandardLib->RecordAssertion ( + StandardLib, + Result, + gTCGMemoryOverwriteRequestTestFunctionAssertionGuid028, + L"MemoryOverwriteRequestControlLock - Lock State is still Locked without Key", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + + // + // Once Locked with no key, MORLOCK SetVariable() with 8 byte key = 0x11111111 must return EFI_ACCESS_DENIED + // and MORLOCK GetVariable() value must still be 0x01 + // + DataSize = MOR_LOCK_WITH_KEY_SIZE; + Attributes = TCG_MOR_VARIABLE_ATTRIBUTES; + MemoryOverwriteControlLockKeyValue = MOR_LOCK_TEST_KEY; + + Status = gtRT->SetVariable ( + L"MemoryOverwriteRequestControlLock", // VariableName + &gEfiMemoryOverwriteRequestControlLockGuid, // VendorGuid + Attributes, // Attributes + DataSize, // DataSize + &MemoryOverwriteControlLockKeyValue // Data + ); + if (Status == EFI_ACCESS_DENIED) { + Result = EFI_TEST_ASSERTION_PASSED; + } else { + Result = EFI_TEST_ASSERTION_FAILED; + } + + StandardLib->RecordAssertion ( + StandardLib, + Result, + gTCGMemoryOverwriteRequestTestFunctionAssertionGuid029, + L"MemoryOverwriteRequestControlLock - Setting to Locked with key when Locked without key returns EFI_ACCESS_DENIED", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + + DataSize = sizeof(MemoryOverwriteRequestControlLockData); + Attributes = TCG_MOR_VARIABLE_ATTRIBUTES; + + Status = gtRT->GetVariable ( + L"MemoryOverwriteRequestControlLock", // VariableName + &gEfiMemoryOverwriteRequestControlLockGuid, // VendorGuid + &Attributes, // Attributes + &DataSize, // DataSize + &MemoryOverwriteRequestControlLockData // Data + ); + if (EFI_ERROR (Status) || (MemoryOverwriteRequestControlLockData != MOR_LOCK_DATA_LOCKED_WITHOUT_KEY)) { + Result = EFI_TEST_ASSERTION_FAILED; + } else { + Result = EFI_TEST_ASSERTION_PASSED; + } + + StandardLib->RecordAssertion ( + StandardLib, + Result, + gTCGMemoryOverwriteRequestTestFunctionAssertionGuid030, + L"MemoryOverwriteRequestControlLock - Lock State is still Locked without Key", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + + // + // Once Locked with no key, MOR SetVariable() call to set MOR Bit 0 must return EFI_ACCESS_DENIED + // and MOR value must not change + // + DataSize = sizeof(MemoryOverwriteRequestControlData); + Attributes = TCG_MOR_VARIABLE_ATTRIBUTES; + // getting current MOR bit 0 value that will be used to check that the variable is unchanged + Status = gtRT->GetVariable ( + L"MemoryOverwriteRequestControl", // VariableName + &gEfiMemoryOverwriteControlDataGuid, // VendorGuid + &Attributes, // Attributes + &DataSize, // DataSize + &MemoryOverwriteRequestControlData // Data + ); + if (EFI_ERROR (Status)) { + return Status; + } + + // caching MOR and then setting bit 0 + MemoryOverwriteRequestControlDataCached = MemoryOverwriteRequestControlData; + + DataSize = sizeof(MemoryOverwriteRequestControlData); + Attributes = TCG_MOR_VARIABLE_ATTRIBUTES; + MemoryOverwriteRequestControlData |= MOR_BIT_HIGH << MOR_CLEAR_MEMORY_BIT_OFFSET; + + Status = gtRT->SetVariable ( + L"MemoryOverwriteRequestControl", // VariableName + &gEfiMemoryOverwriteControlDataGuid, // VendorGuid + Attributes, // Attributes + DataSize, // DataSize + &MemoryOverwriteRequestControlData // Data + ); + if (Status == EFI_ACCESS_DENIED) { + Result = EFI_TEST_ASSERTION_PASSED; + } else { + Result = EFI_TEST_ASSERTION_FAILED; + } + + StandardLib->RecordAssertion ( + StandardLib, + Result, + gTCGMemoryOverwriteRequestTestFunctionAssertionGuid031, + L"MemoryOverwriteRequestControl - SetVariable() returns EFI_ACCESS_DENIED when Lock is Set with no key", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + + DataSize = sizeof(MemoryOverwriteRequestControlData); + Attributes = TCG_MOR_VARIABLE_ATTRIBUTES; + + Status = gtRT->GetVariable ( + L"MemoryOverwriteRequestControl", // VariableName + &gEfiMemoryOverwriteControlDataGuid, // VendorGuid + &Attributes, // Attributes + &DataSize, // DataSize + &MemoryOverwriteRequestControlData // Data + ); + + // verifying that the variable has not been modified with SetVar, proving that MORLOCK acts as a lock + if (MemoryOverwriteRequestControlDataCached == MemoryOverwriteRequestControlData) { + Result = EFI_TEST_ASSERTION_PASSED; + } else { + Result = EFI_TEST_ASSERTION_FAILED; + } + + StandardLib->RecordAssertion ( + StandardLib, + Result, + gTCGMemoryOverwriteRequestTestFunctionAssertionGuid032, + L"MemoryOverwriteRequestControl - When LOCK is set, MOR bit 0 remains unchanged after an attempt to set it", + L"%a:%d:Status - %r", + __FILE__, + (UINTN)__LINE__, + Status + ); + + return EFI_SUCCESS; +} -- 2.34.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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