[edk2-devel] [PATCH 6/6] uefi-sct/SctPkg: TCG2 Protocol: add SubmitCommand test

Joseph Hemann joseph.hemann at arm.com
Wed Oct 20 13:43:35 UTC 2021


From: Joseph Hemann <Joseph.hemann at arm.com>

    -add initial TCG2 protocol test for SubmitCommand()
      -checkpoint for test function with GET_RANDOM Command

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>
Cc: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud at arm.com>
Cc: Eric Jin <eric.jin at intel.com>
Cc: Arvin Chen <arvinx.chen at intel.com>
Cc: Supreeth Venkatesh <Supreeth.Venkatesh at amd.com>
Signed-off-by: Joseph Hemann <Joseph.hemann at arm.com>
---
 .../EFI/Protocol/TCG2/BlackBoxTest/Guid.c     |   4 +
 .../EFI/Protocol/TCG2/BlackBoxTest/Guid.h     |  10 +
 .../TCG2/BlackBoxTest/TCG2ProtocolBBTest.h    |  49 +++++
 .../TCG2ProtocolBBTestConformance.c           | 178 ++++++++++++++++++
 .../BlackBoxTest/TCG2ProtocolBBTestMain.c     |  10 +
 5 files changed, 251 insertions(+)

diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/Guid.c b/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/Guid.c
index 89c4151752cd..b5a4e5c7218e 100644
--- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/Guid.c
+++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/Guid.c
@@ -53,3 +53,7 @@ EFI_GUID gTcg2ConformanceTestAssertionGuid011 = EFI_TEST_TCG2CONFORMANCE_ASSERTI
 EFI_GUID gTcg2ConformanceTestAssertionGuid012 = EFI_TEST_TCG2CONFORMANCE_ASSERTION_012_GUID;
 
 EFI_GUID gTcg2ConformanceTestAssertionGuid013 = EFI_TEST_TCG2CONFORMANCE_ASSERTION_013_GUID;
+
+EFI_GUID gTcg2ConformanceTestAssertionGuid014 = EFI_TEST_TCG2CONFORMANCE_ASSERTION_014_GUID;
+
+EFI_GUID gTcg2ConformanceTestAssertionGuid015 = EFI_TEST_TCG2CONFORMANCE_ASSERTION_015_GUID;
diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/Guid.h b/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/Guid.h
index 2cb715105529..ccc5a4bef957 100644
--- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/Guid.h
+++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/Guid.h
@@ -90,3 +90,13 @@ extern EFI_GUID gTcg2ConformanceTestAssertionGuid012;
 { 0x45fa1a42, 0x912a, 0x5124, {0x84, 0xf4, 0x41, 0x67, 0xab, 0xb5, 0x89, 0x90 }}
 
 extern EFI_GUID gTcg2ConformanceTestAssertionGuid013;
+
+#define EFI_TEST_TCG2CONFORMANCE_ASSERTION_014_GUID \
+{ 0x1689bc3a, 0x2298, 0xa116, {0x28, 0x4c, 0xc1, 0xdd, 0xaa, 0xd8, 0xef, 0x51 }}
+
+extern EFI_GUID gTcg2ConformanceTestAssertionGuid014;
+
+#define EFI_TEST_TCG2CONFORMANCE_ASSERTION_015_GUID \
+{ 0x126a789a, 0x1932, 0x3234, {0x21, 0xab, 0x42, 0x64, 0x8a, 0x7b, 0x63, 0x76 }}
+
+extern EFI_GUID gTcg2ConformanceTestAssertionGuid015;
diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTest.h b/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTest.h
index 69fb358922df..0fdf753f95fa 100644
--- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTest.h
+++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTest.h
@@ -43,6 +43,9 @@ Abstract:
 #define EFI_TCG2_PROTOCOL_TEST_ENTRY_GUID0103 \
  {0x907a7878, 0xb294, 0xf147, {0xe9, 0x0a, 0x65, 0x43, 0xab, 0x55, 0x76, 0x46} }
 
+#define EFI_TCG2_PROTOCOL_TEST_ENTRY_GUID0104 \
+ {0x9087ad78, 0x9ad2, 0x4172, {0x9a, 0xbc, 0x98, 0x23, 0x08, 0xf5, 0x6d, 0x26} }
+
 #define EV_POST_CODE 0x01
 
 #define EV_NO_ACTION 0x03
@@ -51,6 +54,39 @@ Abstract:
 
 #define PE_COFF_IMAGE 0x0000000000000010
 
+// ST_NO_SESSION as definied in Table 19 of TPM Library Part 2: Structures
+#define ST_NO_SESSIONS (UINT16) 0x8001
+
+// TPM_RC_SUCCESS as definied in Table 16 of TPM Library Spec Part 2: Structures
+#define TPM_RC_SUCCESS (UINT32) 0x0000000
+
+// TPM_CC_GetRandom as definied in Table 12 of TPM Library Spec Part 2: Structures
+#define TPM_CC_GetRandom (UINT32) 0x0000017B
+
+#pragma pack(1)
+// TPM2B_DIGEST as definied in Table 73 of TPM Library Spec Part 2: Structures
+typedef struct {
+  UINT16 size;
+  UINT8  digest[8];  // Size of buffer in spec is defined to be variable length but for this test will always be 8
+} TPM2B_DIGEST;
+
+// GetRandomCommand Structure as defined in Sectin 16.1 of TPM Spec Part 3: Commands
+typedef struct {
+  UINT16 Tag;
+  UINT32 CommandSize;
+  UINT32 CommandCode;
+  UINT16 BytesRequested;
+} GET_RANDOM_COMMAND;
+
+// GetRandomResponse Structure as defined in Sectin 16.1 of TPM Spec Part 3: Commands
+typedef struct {
+  UINT16 Tag;
+  UINT32 ResponseSize;
+  UINT32 ResponseCode;
+  TPM2B_DIGEST randomBytes;
+} GET_RANDOM_RESPONSE;
+#pragma
+
 EFI_STATUS
 EFIAPI
 BBTestTCG2ProtocolUnload (
@@ -105,6 +141,12 @@ BBTestHashLogExtendEventConformanceTestCheckpoint4 (
   IN EFI_TCG2_PROTOCOL                     *TCG2
   );
 
+EFI_STATUS
+BBTestSubmitCommandConformanceTestCheckpoint1 (
+  IN EFI_STANDARD_TEST_LIBRARY_PROTOCOL    *StandardLib,
+  IN EFI_TCG2_PROTOCOL                     *TCG2
+  );
+
 EFI_STATUS
 BBTestGetCapabilityConformanceTest (
   IN EFI_BB_TEST_PROTOCOL       *This,
@@ -129,3 +171,10 @@ BBTestHashLogExtendEventConformanceTest (
   IN EFI_HANDLE                 SupportHandle
   );
 
+EFI_STATUS
+BBTestSubmitCommandConformanceTest (
+  IN EFI_BB_TEST_PROTOCOL       *This,
+  IN VOID                       *ClientInterface,
+  IN EFI_TEST_LEVEL             TestLevel,
+  IN EFI_HANDLE                 SupportHandle
+  );
diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTestConformance.c b/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTestConformance.c
index d3aaf979c087..b764e22116d0 100644
--- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTestConformance.c
+++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTestConformance.c
@@ -177,6 +177,52 @@ BBTestHashLogExtendEventConformanceTest (
   return EFI_SUCCESS;
 }
 
+/**
+ *  @brief Entrypoint for SubmitCommand() Function Test.
+ *         1 checkpoint will be tested.
+ *  @param This a pointer of EFI_BB_TEST_PROTOCOL
+ *  @param ClientInterface A pointer to the interface array under test
+ *  @param TestLevel Test "thoroughness" control
+ *  @param SupportHandle A handle containing protocols required
+ *  @return EFI_SUCCESS
+ *  @return EFI_NOT_FOUND
+ */
+
+EFI_STATUS
+BBTestSubmitCommandConformanceTest (
+  IN EFI_BB_TEST_PROTOCOL       *This,
+  IN VOID                       *ClientInterface,
+  IN EFI_TEST_LEVEL             TestLevel,
+  IN EFI_HANDLE                 SupportHandle
+  )
+{
+  EFI_STANDARD_TEST_LIBRARY_PROTOCOL    *StandardLib;
+  EFI_STATUS                            Status;
+  EFI_TCG2_PROTOCOL                     *TCG2;
+
+  //
+  // init
+  //
+  TCG2 = (EFI_TCG2_PROTOCOL*)ClientInterface;
+
+  //
+  // Get the Standard Library Interface
+  //
+  Status = gtBS->HandleProtocol (
+                   SupportHandle,
+                   &gEfiStandardTestLibraryGuid,
+                   (VOID **) &StandardLib
+                   );
+  if (EFI_ERROR(Status)) {
+    return Status;
+  }
+
+  // Test GetRandom TPM Command
+  BBTestSubmitCommandConformanceTestCheckpoint1 (StandardLib, TCG2);
+
+  return EFI_SUCCESS;
+}
+
 EFI_STATUS
 BBTestGetCapabilityConformanceTestCheckpoint1 (
   IN EFI_STANDARD_TEST_LIBRARY_PROTOCOL    *StandardLib,
@@ -837,3 +883,135 @@ BBTestHashLogExtendEventConformanceTestCheckpoint4 (
 
   return EFI_SUCCESS;
 }
+
+EFI_STATUS
+BBTestSubmitCommandConformanceTestCheckpoint1 (
+  IN EFI_STANDARD_TEST_LIBRARY_PROTOCOL    *StandardLib,
+  IN EFI_TCG2_PROTOCOL                     *TCG2
+  )
+{
+  EFI_TEST_ASSERTION                    AssertionType;
+  EFI_STATUS                            Status;
+  GET_RANDOM_RESPONSE                   CommandResponse;
+  GET_RANDOM_COMMAND                    CommandInput;
+  int IsNonZero = 0;
+
+  // Build TPM2 GetRandom command for 8 random bytes
+  CommandInput.Tag = SctSwapBytes16(ST_NO_SESSIONS);
+  CommandInput.CommandSize = SctSwapBytes32(sizeof(GET_RANDOM_COMMAND));
+  CommandInput.CommandCode = SctSwapBytes32(TPM_CC_GetRandom);
+  CommandInput.BytesRequested = SctSwapBytes16(8);
+
+  // zero out randomBytes to ensure SubmitCommand returns random bytes
+  SctZeroMem(&CommandResponse, sizeof(GET_RANDOM_RESPONSE));
+
+  Status = TCG2->SubmitCommand (
+                           TCG2,
+                           sizeof(GET_RANDOM_COMMAND),
+                           &CommandInput,
+                           sizeof(GET_RANDOM_RESPONSE),
+                           &CommandResponse);
+
+  AssertionType = EFI_TEST_ASSERTION_PASSED;
+
+  // Verify SubmitCommand returns EFI_SUCCESS
+  if (Status != EFI_SUCCESS) {
+    StandardLib->RecordMessage (
+                     StandardLib,
+                     EFI_VERBOSE_LEVEL_DEFAULT,
+                     L"\r\nTCG2 Protocol SubmitCommand Test: SubmitCommand should return EFI_SUCCESS, Status = %r",
+                     Status
+                     );
+
+    AssertionType = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  StandardLib->RecordAssertion (
+                 StandardLib,
+                 AssertionType,
+                 gTcg2ConformanceTestAssertionGuid014,
+                 L"TCG2_PROTOCOL.SubmitCommand - SubmitCommand() should return EFI_SUCCESS",
+                 L"%a:%d: Status - %r",
+                 __FILE__,
+                 (UINTN)__LINE__,
+                 Status
+                 );
+
+  AssertionType = EFI_TEST_ASSERTION_PASSED;
+
+  // Verify SubmitCommand returns correct Response Tag
+  if (SctSwapBytes16(CommandResponse.Tag) != ST_NO_SESSIONS) {
+    StandardLib->RecordMessage (
+                     StandardLib,
+                     EFI_VERBOSE_LEVEL_DEFAULT,
+                     L"\r\nTCG2 Protocol SubmitCommand Test: SubmitCommand should return ST_NO_SESSIONS response Tag"
+                     );
+
+    AssertionType = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  if (SctSwapBytes32(CommandResponse.ResponseCode) != TPM_RC_SUCCESS) {
+    StandardLib->RecordMessage (
+                     StandardLib,
+                     EFI_VERBOSE_LEVEL_DEFAULT,
+                     L"\r\nTCG2 Protocol SubmitCommand Test: SubmitCommand should return Correct ResponseCode, ResponseCode = %x",
+                     SctSwapBytes32(CommandResponse.ResponseCode)
+                     );
+
+    AssertionType = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  if (SctSwapBytes32(CommandResponse.ResponseSize) != sizeof(GET_RANDOM_RESPONSE)) {
+    StandardLib->RecordMessage (
+                     StandardLib,
+                     EFI_VERBOSE_LEVEL_DEFAULT,
+                     L"\r\nTCG2 Protocol SubmitCommand Test: SubmitCommand should return Correct ResponseSize, Size = %x",
+                     SctSwapBytes32(CommandResponse.ResponseSize)
+                     );
+
+    AssertionType = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  // Check that number of random bytes returned equals amount requested
+  if (SctSwapBytes16(CommandResponse.randomBytes.size) != 8) {
+    StandardLib->RecordMessage (
+                     StandardLib,
+                     EFI_VERBOSE_LEVEL_DEFAULT,
+                     L"\r\nTCG2 Protocol SubmitCommand Test: SubmitCommand should return correct amount of random bytes, Size = %x",
+                     SctSwapBytes16(CommandResponse.randomBytes.size)
+                     );
+
+    AssertionType = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  // If random bytes are returned at least one should be non-zero
+  for (int i = 0; i < 8; i++) {
+    if (CommandResponse.randomBytes.digest[i] != 0) {
+      IsNonZero = 1;
+    }
+  }
+
+  if (!IsNonZero) {
+    StandardLib->RecordMessage (
+                     StandardLib,
+                     EFI_VERBOSE_LEVEL_DEFAULT,
+                     L"\r\nTCG2 Protocol SubmitCommand Test: SubmitCommand should return RandomBytes",
+                     Status
+                     );
+
+    AssertionType = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  StandardLib->RecordAssertion (
+                 StandardLib,
+                 AssertionType,
+                 gTcg2ConformanceTestAssertionGuid015,
+                 L"TCG2_PROTOCOL.SubmitCommand - SubmitCommand() should return EFI_SUCCESS",
+                 L"%a:%d: Status - %r",
+                 __FILE__,
+                 (UINTN)__LINE__,
+                 Status
+                 );
+
+  return EFI_SUCCESS;
+}
diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTestMain.c b/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTestMain.c
index 892fce2691c1..419e2a3e5ad2 100644
--- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTestMain.c
+++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/Protocol/TCG2/BlackBoxTest/TCG2ProtocolBBTestMain.c
@@ -65,6 +65,16 @@ EFI_BB_TEST_ENTRY_FIELD gBBTestEntryField[] = {
     EFI_TEST_CASE_AUTO,
     BBTestHashLogExtendEventConformanceTest
   },
+  {
+    EFI_TCG2_PROTOCOL_TEST_ENTRY_GUID0104,
+    L"SubmitCommand_Conf",
+    L"Test the SubmitCommmand API",
+    EFI_TEST_LEVEL_DEFAULT,
+    gSupportProtocolGuid1,
+    EFI_TEST_CASE_AUTO,
+    BBTestSubmitCommandConformanceTest
+  },
+
   0
 };
 
-- 
2.17.1



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