[edk2-devel] [PATCH v1] Securitypkg/hddpassword: Update HddPasswordDxeInit to use Variable Policy

Linus Liu linus.liu at intel.com
Thu Apr 20 02:47:48 UTC 2023


Hi Qi1 and Jiewen
Could you help to review this patch ?

Thanks.


From: Linus Liu <linus.liu at intel.com>

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4408

Change-Id: I3c4b466ef318766d6d70c9f73e36b94b5f10832c
Cc: Jiewen Yao <jiewen.yao at intel.com>
Cc: Maggie Chu <maggie.chu at intel.com>
Signed-off-by: Linus Liu <linus.liu at intel.com>
---
 SecurityPkg/HddPassword/HddPasswordDxe.c   | 16 +++++++++++-----
 SecurityPkg/HddPassword/HddPasswordDxe.h   |  1 -
 SecurityPkg/HddPassword/HddPasswordDxe.inf |  3 ++-
 SecurityPkg/SecurityPkg.dsc                |  1 +
 4 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/SecurityPkg/HddPassword/HddPasswordDxe.c b/SecurityPkg/HddPassword/HddPasswordDxe.c
index a1a63b67a4..c20fdbe83f 100644
--- a/SecurityPkg/HddPassword/HddPasswordDxe.c
+++ b/SecurityPkg/HddPassword/HddPasswordDxe.c
@@ -9,6 +9,7 @@
 **/  #include "HddPasswordDxe.h"+#include <Library/VariablePolicyHelperLib.h>  EFI_GUID    mHddPasswordVendorGuid          = HDD_PASSWORD_CONFIG_GUID; CHAR16      mHddPasswordVendorStorageName[] = L"HDD_PASSWORD_CONFIG";@@ -2822,7 +2823,7 @@ HddPasswordDxeInit (
   HDD_PASSWORD_DXE_PRIVATE_DATA  *Private;   VOID                           *Registration;   EFI_EVENT                      EndOfDxeEvent;-  EDKII_VARIABLE_LOCK_PROTOCOL   *VariableLock;+  EDKII_VARIABLE_POLICY_PROTOCOL *VariablePolicy;    Private = NULL; @@ -2858,12 +2859,17 @@ HddPasswordDxeInit (
   //   // Make HDD_PASSWORD_VARIABLE_NAME variable read-only.   //-  Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **)&VariableLock);+  Status = gBS->LocateProtocol (&gEdkiiVariablePolicyProtocolGuid, NULL, (VOID **)&VariablePolicy);   if (!EFI_ERROR (Status)) {-    Status = VariableLock->RequestToLock (-                             VariableLock,+    Status = RegisterBasicVariablePolicy (+                             VariablePolicy,+                             &mHddPasswordVendorGuid,                              HDD_PASSWORD_VARIABLE_NAME,-                             &mHddPasswordVendorGuid+                             VARIABLE_POLICY_NO_MIN_SIZE,+                             VARIABLE_POLICY_NO_MAX_SIZE,+                             VARIABLE_POLICY_NO_MUST_ATTR,+                             VARIABLE_POLICY_NO_CANT_ATTR,+                             VARIABLE_POLICY_TYPE_LOCK_NOW                              );     DEBUG ((DEBUG_INFO, "%a(): Lock %s variable (%r)\n", __FUNCTION__, HDD_PASSWORD_VARIABLE_NAME, Status));     ASSERT_EFI_ERROR (Status);diff --git a/SecurityPkg/HddPassword/HddPasswordDxe.h b/SecurityPkg/HddPassword/HddPasswordDxe.h
index 231533e737..049a208794 100644
--- a/SecurityPkg/HddPassword/HddPasswordDxe.h
+++ b/SecurityPkg/HddPassword/HddPasswordDxe.h
@@ -17,7 +17,6 @@
 #include <Protocol/AtaPassThru.h> #include <Protocol/PciIo.h> #include <Protocol/HiiConfigAccess.h>-#include <Protocol/VariableLock.h>  #include <Guid/MdeModuleHii.h> #include <Guid/EventGroup.h>diff --git a/SecurityPkg/HddPassword/HddPasswordDxe.inf b/SecurityPkg/HddPassword/HddPasswordDxe.inf
index 06e8755ffc..2c0ebbcc78 100644
--- a/SecurityPkg/HddPassword/HddPasswordDxe.inf
+++ b/SecurityPkg/HddPassword/HddPasswordDxe.inf
@@ -50,6 +50,7 @@
   PrintLib   UefiLib   LockBoxLib+  VariablePolicyHelperLib   S3BootScriptLib   PciLib   BaseCryptLib@@ -63,7 +64,7 @@
   gEfiHiiConfigAccessProtocolGuid               ## PRODUCES   gEfiAtaPassThruProtocolGuid                   ## CONSUMES   gEfiPciIoProtocolGuid                         ## CONSUMES-  gEdkiiVariableLockProtocolGuid                ## CONSUMES+  gEdkiiVariablePolicyProtocolGuid              ## CONSUMES  [Pcd]   gEfiSecurityPkgTokenSpaceGuid.PcdSkipHddPasswordPrompt  ## CONSUMESdiff --git a/SecurityPkg/SecurityPkg.dsc b/SecurityPkg/SecurityPkg.dsc
index 3bad5375c0..3c62205162 100644
--- a/SecurityPkg/SecurityPkg.dsc
+++ b/SecurityPkg/SecurityPkg.dsc
@@ -74,6 +74,7 @@
   PlatformPKProtectionLib|SecurityPkg/Library/PlatformPKProtectionLibVarPolicy/PlatformPKProtectionLibVarPolicy.inf   SecureBootVariableProvisionLib|SecurityPkg/Library/SecureBootVariableProvisionLib/SecureBootVariableProvisionLib.inf   TdxLib|MdePkg/Library/TdxLib/TdxLib.inf+  VariablePolicyHelperLib|MdeModulePkg/Library/VariablePolicyHelperLib/VariablePolicyHelperLib.inf  [LibraryClasses.ARM, LibraryClasses.AARCH64]   #-- 
2.33.1.windows.1



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