On Sat, 28 Oct 2023 at 03:18, Michael Kubacki
<mikub...@linux.microsoft.com> wrote:
>
> From: Michael Kubacki <michael.kuba...@microsoft.com>
>
> Adds a new module (dynamic shell command) to ShellPkg that lists
> variable policy information for all UEFI variables on the system.
>
> Some other UEFI variable related functionality is also included to
> give a greater sense of platform UEFI variable state.
>

Thanks, this looks usefu.

For the series,

Reviewed-by: Ard Biesheuvel <a...@kernel.org>

Could we add it to ArmVirtPkg as well please?

> Like all dynamic shell commands, a platform only needs to include
> VariablePolicyDynamicCommand.inf in their flash image to have
> the command registered in their UEFI shell.
>
> The shell command is added to OvmfPkg so it is available in an
> easily obtainable virtual platform.
>
> The code can also be built as a standalone EFI application.
>
> This is being made available to ease auditing and enabling of UEFI
> variable policy to encourage its adoption for securing UEFI
> variables.
>
> ---
>
> Command Help:
>
> Lists UEFI variable policy information.
>
> VARPOLICY [-p] [-s] [-v]
>
>   -p - The policy flag will print variable policy info for each variable.
>
>   -s - The stats flag will print overall UEFI variable policy statistics.
>
>   -v - The verbose flag indicates all known information should be printed.
>
>        This includes a dump of the corresponding UEFI variable data in
>        addition to all other UEFI variable policy information.
>
> EXAMPLES:
>
>   * To dump all active UEFI variables:
>     fs0:\> varpolicy
>
>   * To include UEFI variable policy information:
>     varpolicy -p
>
>   * To include UEFI variable statistics:
>     varpolicy -s
>
> Press ENTER to continue or 'Q' break:
>
> ---
>
> v2 changes:
>
> - Allow the variable policy dynamic command to also be built as a
>   standalone EFI app.
>
> Images showing example output are available in the PR:
> https://github.com/tianocore/edk2/pull/4835
>
> Cc: Anatol Belski <anbel...@linux.microsoft.com>
> Cc: Anthony Perard <anthony.per...@citrix.com>
> Cc: Dandan Bi <dandan...@intel.com>
> Cc: Gerd Hoffmann <kra...@redhat.com>
> Cc: Hao A Wu <hao.a...@intel.com>
> Cc: Jian J Wang <jian.j.w...@intel.com>
> Cc: Jianyong Wu <jianyong...@arm.com>
> Cc: Jiewen Yao <jiewen....@intel.com>
> Cc: Jordan Justen <jordan.l.jus...@intel.com>
> Cc: Julien Grall <jul...@xen.org>
> Cc: Liming Gao <gaolim...@byosoft.com.cn>
> Cc: Michael D Kinney <michael.d.kin...@intel.com>
> Cc: Zhichao Gao <zhichao....@intel.com>
>
> Michael Kubacki (3):
>   MdeModulePkg/VariablePolicy: Add more granular variable policy
>     querying
>   ShellPkg: Add varpolicy dynamic shell command and app
>   OvmfPkg: Add varpolicy shell command
>
>  MdeModulePkg/Library/VarCheckPolicyLib/VarCheckPolicyLib.c                   
>          | 174 +++-
>  MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLib.c                   
>          | 304 +++++++
>  MdeModulePkg/Universal/Variable/RuntimeDxe/VariableDxe.c                     
>          |   4 +-
>  MdeModulePkg/Universal/Variable/RuntimeDxe/VariablePolicySmmDxe.c            
>          | 346 +++++++-
>  ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicy.c        
>          | 877 ++++++++++++++++++++
>  ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicyApp.c     
>          |  59 ++
>  
> ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicyDynamicCommand.c
>    | 157 ++++
>  MdeModulePkg/Include/Guid/VarCheckPolicyMmi.h                                
>          |  39 +-
>  MdeModulePkg/Include/Library/VariablePolicyLib.h                             
>          | 107 +++
>  MdeModulePkg/Include/Protocol/VariablePolicy.h                               
>          | 133 ++-
>  MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLib.inf                 
>          |   1 +
>  OvmfPkg/CloudHv/CloudHvX64.dsc                                               
>          |   4 +
>  OvmfPkg/Microvm/MicrovmX64.dsc                                               
>          |   4 +
>  OvmfPkg/OvmfPkgIa32.dsc                                                      
>          |   4 +
>  OvmfPkg/OvmfPkgIa32X64.dsc                                                   
>          |   4 +
>  OvmfPkg/OvmfPkgX64.dsc                                                       
>          |   4 +
>  OvmfPkg/OvmfXen.dsc                                                          
>          |   4 +
>  ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicy.h        
>          | 126 +++
>  ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicy.uni      
>          |  86 ++
>  ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicyApp.inf   
>          |  58 ++
>  
> ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicyDynamicCommand.inf
>  |  57 ++
>  ShellPkg/ShellPkg.dsc                                                        
>          |   5 +
>  22 files changed, 2511 insertions(+), 46 deletions(-)
>  create mode 100644 
> ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicy.c
>  create mode 100644 
> ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicyApp.c
>  create mode 100644 
> ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicyDynamicCommand.c
>  create mode 100644 
> ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicy.h
>  create mode 100644 
> ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicy.uni
>  create mode 100644 
> ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicyApp.inf
>  create mode 100644 
> ShellPkg/DynamicCommand/VariablePolicyDynamicCommand/VariablePolicyDynamicCommand.inf
>
> --
> 2.42.0.windows.2
>
>
>
> ------------
> Groups.io Links: You receive all messages sent to this group.
> View/Reply Online (#110234): https://edk2.groups.io/g/devel/message/110234
> Mute This Topic: https://groups.io/mt/102234059/5717338
> Group Owner: devel+ow...@edk2.groups.io
> Unsubscribe: https://edk2.groups.io/g/devel/unsub [ardb+tianoc...@kernel.org]
> ------------
>
>


-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#110238): https://edk2.groups.io/g/devel/message/110238
Mute This Topic: https://groups.io/mt/102234059/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-


Reply via email to