SecurityPkg: measure Dasharo variables before boot

Signed-off-by: Sergii Dmytruk <[email protected]>
Dasharo · May 28, 2024 · 46e98a1 · 46e98a1
1 parent 8fb76d9
commit 46e98a1
Show file tree

Hide file tree

Showing 6 changed files with 20 additions and 0 deletions.
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
@@ -233,6 +233,8 @@
 !endif
   VarCheckLib|MdeModulePkg/Library/VarCheckLib/VarCheckLib.inf
 
+  DasharoVariablesLib|DasharoModulePkg/Library/DasharoVariablesLib/DasharoVariablesLib.inf
+
 
   #
   # Network libraries

diff --git a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
@@ -44,6 +44,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #include <Library/PerformanceLib.h>
 #include <Library/ReportStatusCodeLib.h>
 #include <Library/Tcg2PhysicalPresenceLib.h>
+#include <Library/DasharoVariablesLib.h>
 
 #define PERF_ID_TCG2_DXE  0x3120
 
@@ -2374,6 +2375,11 @@ OnReadyToBoot (
   PERF_START_EX (mImageHandle, "EventRec", "Tcg2Dxe", 0, PERF_ID_TCG2_DXE);
   if (mBootAttempts == 0) {
 
+    Status = DasharoMeasureVariables ();
+    if (EFI_ERROR (Status)) {
+      DEBUG ((EFI_D_ERROR, "Dasharo variables not Measured. Error: %r!\n", Status));
+    }
+
     //
     // Measure handoff tables.
     //

diff --git a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.inf b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.inf
@@ -45,6 +45,7 @@
   MdeModulePkg/MdeModulePkg.dec
   SecurityPkg/SecurityPkg.dec
   CryptoPkg/CryptoPkg.dec
+  DasharoModulePkg/DasharoModulePkg.dec
 
 [LibraryClasses]
   MemoryAllocationLib
@@ -64,6 +65,7 @@
   ReportStatusCodeLib
   Tcg2PhysicalPresenceLib
   PeCoffLib
+  DasharoVariablesLib
 
 [Guids]
   ## SOMETIMES_CONSUMES     ## Variable:L"SecureBoot"

diff --git a/SecurityPkg/Tcg/TcgDxe/TcgDxe.c b/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
@@ -47,6 +47,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #include <Library/ReportStatusCodeLib.h>
 #include <Library/Tpm12CommandLib.h>
 #include <Library/BaseCryptLib.h>
+#include <Library/DasharoVariablesLib.h>
 
 #define TCG_DXE_DATA_FROM_THIS(this)  \
   BASE_CR (this, TCG_DXE_DATA, TcgProtocol)
@@ -1122,6 +1123,11 @@ OnReadyToBoot (
 
   if (mBootAttempts == 0) {
 
+    Status = DasharoMeasureVariables ();
+    if (EFI_ERROR (Status)) {
+      DEBUG ((EFI_D_ERROR, "Dasharo variables not Measured. Error: %r!\n", Status));
+    }
+
     //
     // Measure handoff tables.
     //

diff --git a/SecurityPkg/Tcg/TcgDxe/TcgDxe.inf b/SecurityPkg/Tcg/TcgDxe/TcgDxe.inf
@@ -30,6 +30,7 @@
   MdeModulePkg/MdeModulePkg.dec
   CryptoPkg/CryptoPkg.dec
   SecurityPkg/SecurityPkg.dec
+  DasharoModulePkg/DasharoModulePkg.dec
 
 [LibraryClasses]
   MemoryAllocationLib
@@ -47,6 +48,7 @@
   PcdLib
   ReportStatusCodeLib
   Tpm12CommandLib
+  DasharoVariablesLib
 
 [Guids]
   gEfiGlobalVariableGuid                             ## SOMETIMES_CONSUMES  ## Variable:L"BootXXXX"

diff --git a/UefiPayloadPkg/UefiPayloadPkg.dsc b/UefiPayloadPkg/UefiPayloadPkg.dsc
@@ -278,6 +278,8 @@
   TpmMeasurementLib|MdeModulePkg/Library/TpmMeasurementLibNull/TpmMeasurementLibNull.inf
   VarCheckLib|MdeModulePkg/Library/VarCheckLib/VarCheckLib.inf
 
+  DasharoVariablesLib|DasharoModulePkg/Library/DasharoVariablesLib/DasharoVariablesLib.inf
+
   SafeIntLib|MdePkg/Library/BaseSafeIntLib/BaseSafeIntLib.inf
   IntrinsicLib|CryptoPkg/Library/IntrinsicLib/IntrinsicLib.inf
   ShellCEntryLib|ShellPkg/Library/UefiShellCEntryLib/UefiShellCEntryLib.inf