[edk2-devel] [PATCH v5 00/14] Add the VariablePolicy feature
Laszlo Ersek
lersek at redhat.com
Wed Jun 3 13:38:53 UTC 2020
meta:
On 06/03/20 08:57, Bret Barkelew wrote:
> REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2522
>
> The 14 patches in this series add the VariablePolicy feature to the core,
> deprecate Edk2VarLock (while adding a compatibility layer to reduce code
> churn), and integrate the VariablePolicy libraries and protocols into
> Variable Services.
>
> Since the integration requires multiple changes, including adding libraries,
> a protocol, an SMI communication handler, and VariableServices integration,
> the patches are broken up by individual library additions and then a final
> integration. Security-sensitive changes like bypassing Authenticated
> Variable enforcement are also broken out into individual patches so that
> attention can be called directly to them.
>
> Platform porting instructions are described in this wiki entry:
> https://github.com/tianocore/tianocore.github.io/wiki/VariablePolicy-Protocol---Enhanced-Method-for-Managing-Variables#platform-porting
>
> Discussion of the feature can be found in multiple places throughout
> the last year on the RFC channel, staging branches, and in devel.
>
> Most recently, this subject was discussed in this thread:
> https://edk2.groups.io/g/devel/message/53712
> (the code branches shared in that discussion are now out of date, but the
> whitepapers and discussion are relevant).
>
> Cc: Jiewen Yao <jiewen.yao at intel.com>
> Cc: Chao Zhang <chao.b.zhang at intel.com>
> Cc: Jian J Wang <jian.j.wang at intel.com>
> Cc: Hao A Wu <hao.a.wu at intel.com>
> Cc: Liming Gao <liming.gao at intel.com>
> Cc: Jordan Justen <jordan.l.justen at intel.com>
> Cc: Laszlo Ersek <lersek at redhat.com>
> Cc: Ard Biesheuvel <ard.biesheuvel at arm.com>
> Cc: Andrew Fish <afish at apple.com>
> Cc: Ray Ni <ray.ni at intel.com>
> Cc: Bret Barkelew <brbarkel at microsoft.com>
> Signed-off-by: Bret Barkelew <brbarkel at microsoft.com>
>
> v5 changes:
> * Fix the CONST mismatch in VariablePolicy.h and VariablePolicySmmDxe.c
> * Fix EFIAPI mismatches in the functional unittest
> * Rebase on latest origin/master
Thank you very much for your willingness to learn the mailing list based
workflow, even if that workflow is on its way out. I highly appreciate it!
Laszlo
> v4 changes:
> * Remove Optional PcdAllowVariablePolicyEnforcementDisable PCD from platforms
> * Rebase on master
> * Migrate to new MmCommunicate2 protocol
> * Fix an oversight in the default return value for InitMmCommonCommBuffer
> * Fix in VariablePolicyLib to allow ExtraInitRuntimeDxe to consume variables
>
> V3 changes:
> * Address all non-unittest issues with ECC
> * Make additional style changes
> * Include section name in hunk headers in "ini-style" files
> * Remove requirement for the EdkiiPiSmmCommunicationsRegionTable driver
> (now allocates its own buffer)
> * Change names from VARIABLE_POLICY_PROTOCOL and gVariablePolicyProtocolGuid
> to EDKII_VARIABLE_POLICY_PROTOCOL and gEdkiiVariablePolicyProtocolGuid
> * Fix GCC warning about initializing externs
> * Add UNI strings for new PCD
> * Add patches for ArmVirtPkg, OvmfXen, and UefiPayloadPkg
> * Reorder patches according to Liming's feedback about adding to platforms
> before changing variable driver
>
> V2 changes:
> * Fixed implementation for RuntimeDxe
> * Add PCD to block DisableVariablePolicy
> * Fix the DumpVariablePolicy pagination in SMM
>
> Bret Barkelew (14):
> MdeModulePkg: Define the VariablePolicy protocol interface
> MdeModulePkg: Define the VariablePolicyLib
> MdeModulePkg: Define the VariablePolicyHelperLib
> MdeModulePkg: Define the VarCheckPolicyLib and SMM interface
> OvmfPkg: Add VariablePolicy engine to OvmfPkg platform
> EmulatorPkg: Add VariablePolicy engine to EmulatorPkg platform
> ArmVirtPkg: Add VariablePolicy engine to ArmVirtPkg platform
> UefiPayloadPkg: Add VariablePolicy engine to UefiPayloadPkg platform
> MdeModulePkg: Connect VariablePolicy business logic to
> VariableServices
> MdeModulePkg: Allow VariablePolicy state to delete protected variables
> SecurityPkg: Allow VariablePolicy state to delete authenticated
> variables
> MdeModulePkg: Change TCG MOR variables to use VariablePolicy
> MdeModulePkg: Drop VarLock from RuntimeDxe variable driver
> MdeModulePkg: Add a shell-based functional test for VariablePolicy
>
> MdeModulePkg/Library/VarCheckPolicyLib/VarCheckPolicyLib.c | 320 +++
> MdeModulePkg/Library/VariablePolicyHelperLib/VariablePolicyHelperLib.c | 396 ++++
> MdeModulePkg/Library/VariablePolicyLib/VariablePolicyExtraInitNull.c | 46 +
> MdeModulePkg/Library/VariablePolicyLib/VariablePolicyExtraInitRuntimeDxe.c | 85 +
> MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLib.c | 813 +++++++
> MdeModulePkg/Library/VariablePolicyLib/VariablePolicyUnitTest/VariablePolicyUnitTest.c | 2436 ++++++++++++++++++++
> MdeModulePkg/Test/ShellTest/VariablePolicyFuncTestApp/VariablePolicyFuncTestApp.c | 1978 ++++++++++++++++
> MdeModulePkg/Universal/Variable/RuntimeDxe/TcgMorLockDxe.c | 52 +-
> MdeModulePkg/Universal/Variable/RuntimeDxe/TcgMorLockSmm.c | 60 +-
> MdeModulePkg/Universal/Variable/RuntimeDxe/VarCheck.c | 49 +-
> MdeModulePkg/Universal/Variable/RuntimeDxe/VariableDxe.c | 53 +
> MdeModulePkg/Universal/Variable/RuntimeDxe/VariableLockRequstToLock.c | 71 +
> MdeModulePkg/Universal/Variable/RuntimeDxe/VariablePolicySmmDxe.c | 642 ++++++
> MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c | 14 +
> SecurityPkg/Library/AuthVariableLib/AuthService.c | 22 +-
> ArmVirtPkg/ArmVirt.dsc.inc | 4 +
> EmulatorPkg/EmulatorPkg.dsc | 3 +
> MdeModulePkg/Include/Guid/VarCheckPolicyMmi.h | 54 +
> MdeModulePkg/Include/Library/VariablePolicyHelperLib.h | 164 ++
> MdeModulePkg/Include/Library/VariablePolicyLib.h | 207 ++
> MdeModulePkg/Include/Protocol/VariablePolicy.h | 157 ++
> MdeModulePkg/Library/VarCheckPolicyLib/VarCheckPolicyLib.inf | 42 +
> MdeModulePkg/Library/VarCheckPolicyLib/VarCheckPolicyLib.uni | 12 +
> MdeModulePkg/Library/VariablePolicyHelperLib/VariablePolicyHelperLib.inf | 35 +
> MdeModulePkg/Library/VariablePolicyHelperLib/VariablePolicyHelperLib.uni | 12 +
> MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLib.inf | 44 +
> MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLib.uni | 12 +
> MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLibRuntimeDxe.inf | 51 +
> MdeModulePkg/Library/VariablePolicyLib/VariablePolicyUnitTest/VariablePolicyUnitTest.inf | 40 +
> MdeModulePkg/MdeModulePkg.ci.yaml | 4 +-
> MdeModulePkg/MdeModulePkg.dec | 26 +-
> MdeModulePkg/MdeModulePkg.dsc | 15 +
> MdeModulePkg/MdeModulePkg.uni | 7 +
> MdeModulePkg/Test/MdeModulePkgHostTest.dsc | 11 +
> MdeModulePkg/Test/ShellTest/VariablePolicyFuncTestApp/Readme.md | 55 +
> MdeModulePkg/Test/ShellTest/VariablePolicyFuncTestApp/VariablePolicyFuncTestApp.inf | 42 +
> MdeModulePkg/Universal/Variable/RuntimeDxe/VariableRuntimeDxe.inf | 5 +
> MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.inf | 4 +
> MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.inf | 10 +
> MdeModulePkg/Universal/Variable/RuntimeDxe/VariableStandaloneMm.inf | 4 +
> OvmfPkg/OvmfPkgIa32.dsc | 5 +
> OvmfPkg/OvmfPkgIa32X64.dsc | 5 +
> OvmfPkg/OvmfPkgX64.dsc | 5 +
> OvmfPkg/OvmfXen.dsc | 4 +
> SecurityPkg/Library/AuthVariableLib/AuthVariableLib.inf | 2 +
> UefiPayloadPkg/UefiPayloadPkgIa32.dsc | 4 +
> UefiPayloadPkg/UefiPayloadPkgIa32X64.dsc | 4 +
> 47 files changed, 8008 insertions(+), 78 deletions(-)
> create mode 100644 MdeModulePkg/Library/VarCheckPolicyLib/VarCheckPolicyLib.c
> create mode 100644 MdeModulePkg/Library/VariablePolicyHelperLib/VariablePolicyHelperLib.c
> create mode 100644 MdeModulePkg/Library/VariablePolicyLib/VariablePolicyExtraInitNull.c
> create mode 100644 MdeModulePkg/Library/VariablePolicyLib/VariablePolicyExtraInitRuntimeDxe.c
> create mode 100644 MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLib.c
> create mode 100644 MdeModulePkg/Library/VariablePolicyLib/VariablePolicyUnitTest/VariablePolicyUnitTest.c
> create mode 100644 MdeModulePkg/Test/ShellTest/VariablePolicyFuncTestApp/VariablePolicyFuncTestApp.c
> create mode 100644 MdeModulePkg/Universal/Variable/RuntimeDxe/VariableLockRequstToLock.c
> create mode 100644 MdeModulePkg/Universal/Variable/RuntimeDxe/VariablePolicySmmDxe.c
> create mode 100644 MdeModulePkg/Include/Guid/VarCheckPolicyMmi.h
> create mode 100644 MdeModulePkg/Include/Library/VariablePolicyHelperLib.h
> create mode 100644 MdeModulePkg/Include/Library/VariablePolicyLib.h
> create mode 100644 MdeModulePkg/Include/Protocol/VariablePolicy.h
> create mode 100644 MdeModulePkg/Library/VarCheckPolicyLib/VarCheckPolicyLib.inf
> create mode 100644 MdeModulePkg/Library/VarCheckPolicyLib/VarCheckPolicyLib.uni
> create mode 100644 MdeModulePkg/Library/VariablePolicyHelperLib/VariablePolicyHelperLib.inf
> create mode 100644 MdeModulePkg/Library/VariablePolicyHelperLib/VariablePolicyHelperLib.uni
> create mode 100644 MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLib.inf
> create mode 100644 MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLib.uni
> create mode 100644 MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLibRuntimeDxe.inf
> create mode 100644 MdeModulePkg/Library/VariablePolicyLib/VariablePolicyUnitTest/VariablePolicyUnitTest.inf
> create mode 100644 MdeModulePkg/Test/ShellTest/VariablePolicyFuncTestApp/Readme.md
> create mode 100644 MdeModulePkg/Test/ShellTest/VariablePolicyFuncTestApp/VariablePolicyFuncTestApp.inf
>
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