[edk2-devel] [PATCH v2 5/6] uefi-sct/SctPkg: TCG MORLOCK Locked No Key State Test
Abhimanyu Singh
Abhi.Singh at arm.com
Thu Sep 21 16:37:47 UTC 2023
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.Chandran at arm.com>
Cc: Barton Gao <gaojie at byosoft.com.cn>
Cc: Carolyn Gjertsen <Carolyn.Gjertsen at amd.com>
Signed-off-by: Abhi Singh <Abhi.Singh at 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
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