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contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,nathaniel.l.desimone@intel.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: LCHWQmRxmNKru3pkJycPQpvIx7686176AA= Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=H82GIMD2; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=intel.com (policy=none); spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io Reviewed-by: Nate DeSimone -----Original Message----- From: Xu, Wei6 =20 Sent: Thursday, November 30, 2023 7:07 AM To: devel@edk2.groups.io Cc: Xu, Wei6 ; Bi, Dandan ; Desimon= e, Nathaniel L ; Gao, Liming Subject: [PATCH v2 edk2-platforms 1/1] UserAuthFeaturePkg/UserAuthenticatio= nSmm: Support Standalone MM. Refactor UserAuthenticationSmm to support Standalone MM. - Factor out variable lock code logic that references boot services. - UserAuthenticationStandaloneMmDxe is added to lock the variables. It is only used for UserAuthenticationStandaloneMm. - UserAuthenticationStandaloneMm doesn't lock the variables, needs to rely on UserAuthenticationStandaloneMmDxe to do the lock. - UserAuthenticationSmm still locks the variables by itself, no need to include UserAuthenticationStandaloneMmDxe. - Register gEfiEventExitBootServicesGuid notify which is used by the StandaloneMmCore. Since gEdkiiVariableLockProtocolGuid is a deprecated interface, use gEdkiiV= ariablePolicyProtocolGuid to lock password variables instead. Cc: Dandan Bi Cc: Nate DeSimone Cc: Liming Gao Signed-off-by: Wei6 Xu --- .../Include/UserAuthFeature.dsc | 4 +- .../UserAuthenticationSmm.c | 40 ++++----- .../UserAuthenticationSmm.h | 28 ++++--- .../UserAuthenticationSmm.inf | 13 +-- .../UserAuthenticationStandaloneMm.c | 43 ++++++++++ .../UserAuthenticationStandaloneMm.inf | 58 +++++++++++++ .../UserAuthenticationStandaloneMmDxe.c | 31 +++++++ .../UserAuthenticationStandaloneMmDxe.inf | 42 ++++++++++ .../UserAuthenticationTraditionalMm.c | 28 +++++++ .../UserAuthenticationVariable.h | 36 ++++++++ .../UserAuthenticationVariableLock.c | 84 +++++++++++++++++++ 11 files changed, 363 insertions(+), 44 deletions(-) create mode 100644 F= eatures/Intel/UserInterface/UserAuthFeaturePkg/UserAuthenticationDxeSmm/Use= rAuthenticationStandaloneMm.c create mode 100644 Features/Intel/UserInterface/UserAuthFeaturePkg/UserAut= henticationDxeSmm/UserAuthenticationStandaloneMm.inf create mode 100644 Features/Intel/UserInterface/UserAuthFeaturePkg/UserAut= henticationDxeSmm/UserAuthenticationStandaloneMmDxe.c create mode 100644 Features/Intel/UserInterface/UserAuthFeaturePkg/UserAut= henticationDxeSmm/UserAuthenticationStandaloneMmDxe.inf create mode 100644 Features/Intel/UserInterface/UserAuthFeaturePkg/UserAut= henticationDxeSmm/UserAuthenticationTraditionalMm.c create mode 100644 Features/Intel/UserInterface/UserAuthFeaturePkg/UserAut= henticationDxeSmm/UserAuthenticationVariable.h create mode 100644 Features/Intel/UserInterface/UserAuthFeaturePkg/UserAut= henticationDxeSmm/UserAuthenticationVariableLock.c diff --git a/Features/Intel/UserInterface/UserAuthFeaturePkg/Include/UserAu= thFeature.dsc b/Features/Intel/UserInterface/UserAuthFeaturePkg/Include/Use= rAuthFeature.dsc index 2f39a5580caf..1541dc3f80f3 100644 --- a/Features/Intel/UserInterface/UserAuthFeaturePkg/Include/UserAuthFeatu= re.dsc +++ b/Features/Intel/UserInterface/UserAuthFeaturePkg/Include/UserAuthFe +++ ature.dsc @@ -6,7 +6,7 @@ # INF files to generate AutoGen.c and AutoGen.h files # for the build inf= rastructure. # -# Copyright (c) 2020 - 2021, Intel Corporation. All rights reserved.
+# Copyright (c) 2020 - 2023, Intel Corporation. All rights=20 +reserved.
# # SPDX-License-Identifier: BSD-2-Clause-Patent # @@ -75,3 +75,5 @@ UserAuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationDxe.inf UserAuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthentication2Dxe.inf UserAuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationSmm.inf + =20 + UserAuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationStandalo + neMm.inf =20 + UserAuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationStandalo + neMmDxe.inf diff --git a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentica= tionDxeSmm/UserAuthenticationSmm.c b/Features/Intel/UserInterface/UserAuthF= eaturePkg/UserAuthenticationDxeSmm/UserAuthenticationSmm.c index 16e3405a82ef..98f40c1812c1 100644 --- a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthenticationDxe= Smm/UserAuthenticationSmm.c +++ b/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentication +++ DxeSmm/UserAuthenticationSmm.c @@ -1,6 +1,6 @@ /** @file =20 - Copyright (c) 2019 - 2021, Intel Corporation. All rights reserved.
+ Copyright (c) 2019 - 2023, Intel Corporation. All rights=20 + reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent =20 **/ @@ -642,7 +642,7 @@ UaExitBootServices ( { DEBUG ((DEBUG_INFO, "Unregister User Authentication Smi\n")); =20 - gSmst->SmiHandlerUnRegister(mSmmHandle); + gMmst->MmiHandlerUnRegister(mSmmHandle); =20 return EFI_SUCCESS; } @@ -657,54 +657,44 @@ UaExitBootServices ( =20 **/ EFI_STATUS -EFIAPI PasswordSmmInit ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable + VOID ) { EFI_STATUS Status; - EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock; - CHAR16 PasswordHistoryName[sizeof(USER_AU= THENTICATION_VAR_NAME)/sizeof(CHAR16) + 5]; - UINTN Index; EFI_EVENT ExitBootServicesEvent; EFI_EVENT LegacyBootEvent; + EFI_EVENT SmmExitBootServicesEvent; =20 ASSERT (PASSWORD_HASH_SIZE =3D=3D SHA256_DIGEST_SIZE); ASSERT (PASSWORD_HISTORY_CHECK_COUNT < 0xFFFF); =20 - Status =3D gSmst->SmmLocateProtocol (&gEfiSmmVariableProtocolGuid, NULL,= (VOID**)&mSmmVariable); + Status =3D gMmst->MmLocateProtocol (&gEfiSmmVariableProtocolGuid, NULL,= =20 + (VOID**)&mSmmVariable); ASSERT_EFI_ERROR (Status); =20 // // Make password variables read-only for DXE driver for security concern= . // - Status =3D gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (= VOID **) &VariableLock); - if (!EFI_ERROR (Status)) { - Status =3D VariableLock->RequestToLock (VariableLock, USER_AUTHENTICAT= ION_VAR_NAME, &gUserAuthenticationGuid); - ASSERT_EFI_ERROR (Status); - - for (Index =3D 1; Index <=3D PASSWORD_HISTORY_CHECK_COUNT; Index++) { - UnicodeSPrint (PasswordHistoryName, sizeof (PasswordHistoryName), L"= %s%04x", USER_AUTHENTICATION_VAR_NAME, Index); - Status =3D VariableLock->RequestToLock (VariableLock, PasswordHistor= yName, &gUserAuthenticationGuid); - ASSERT_EFI_ERROR (Status); - } - Status =3D VariableLock->RequestToLock (VariableLock, USER_AUTHENTICAT= ION_HISTORY_LAST_VAR_NAME, &gUserAuthenticationGuid); - ASSERT_EFI_ERROR (Status); + Status =3D LockPasswordVariable (); + ASSERT_EFI_ERROR (Status); + if (EFI_ERROR (Status)) { + return Status; } =20 - Status =3D gSmst->SmiHandlerRegister (SmmPasswordHandler, &gUserAuthenti= cationGuid, &mSmmHandle); + Status =3D gMmst->MmiHandlerRegister (SmmPasswordHandler,=20 + &gUserAuthenticationGuid, &mSmmHandle); ASSERT_EFI_ERROR (Status); if (EFI_ERROR (Status)) { return Status; } =20 // - // Register for SmmExitBootServices and SmmLegacyBoot notification. + // Register for SmmExitBootServices, SmmLegacyBoot and EventExitBootServ= ices notification. // - Status =3D gSmst->SmmRegisterProtocolNotify (&gEdkiiSmmExitBootServicesP= rotocolGuid, UaExitBootServices, &ExitBootServicesEvent); + Status =3D gMmst->MmRegisterProtocolNotify=20 + (&gEdkiiSmmExitBootServicesProtocolGuid, UaExitBootServices,=20 + &SmmExitBootServicesEvent); ASSERT_EFI_ERROR (Status); Status =3D=20 + gMmst->MmRegisterProtocolNotify (&gEdkiiSmmLegacyBootProtocolGuid,=20 + UaExitBootServices, &LegacyBootEvent); ASSERT_EFI_ERROR (Status); - Status =3D gSmst->SmmRegisterProtocolNotify (&gEdkiiSmmLegacyBootProtoco= lGuid, UaExitBootServices, &LegacyBootEvent); + Status =3D gMmst->MmRegisterProtocolNotify=20 + (&gEfiEventExitBootServicesGuid, UaExitBootServices,=20 + &ExitBootServicesEvent); ASSERT_EFI_ERROR (Status); =20 if (IsPasswordCleared()) { diff --git a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentica= tionDxeSmm/UserAuthenticationSmm.h b/Features/Intel/UserInterface/UserAuthF= eaturePkg/UserAuthenticationDxeSmm/UserAuthenticationSmm.h index 47bb95529fa7..84d06f9422ee 100644 --- a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthenticationDxe= Smm/UserAuthenticationSmm.h +++ b/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentication +++ DxeSmm/UserAuthenticationSmm.h @@ -1,7 +1,7 @@ /** @file Header file for UserAuthenticationSmm. =20 - Copyright (c) 2019, Intel Corporation. All rights reserved.
+ Copyright (c) 2019 - 2023, Intel Corporation. All rights=20 + reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent =20 **/ @@ -9,7 +9,7 @@ #ifndef __USER_AUTHENTICATION_SMM_H__ #define __USER_AUTHENTICATION_SMM_H__ =20 -#include +#include =20 #include #include @@ -21,26 +21,17 @@ #include #include #include -#include +#include #include -#include #include #include =20 #include "KeyService.h" +#include "UserAuthenticationVariable.h" =20 #define PASSWORD_SALT_SIZE 32 #define PASSWORD_HASH_SIZE 32 // SHA256_DIGEST_SIZE =20 -#define PASSWORD_MAX_TRY_COUNT 3 -#define PASSWORD_HISTORY_CHECK_COUNT 5 - -// -// Name of the variable -// -#define USER_AUTHENTICATION_VAR_NAME L"Password" -#define USER_AUTHENTICATION_HISTORY_LAST_VAR_NAME L"PasswordLast" - // // Variable storage // @@ -49,4 +40,15 @@ typedef struct { UINT8 PasswordSalt[PASSWORD_SALT_SIZE]; } USER_PASSWORD_VAR_STRUCT; =20 +/** + Password Smm Init. + + @retval EFI_SUCESS This function always complete successfully. + +**/ +EFI_STATUS +PasswordSmmInit ( + VOID + ); + #endif diff --git a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentica= tionDxeSmm/UserAuthenticationSmm.inf b/Features/Intel/UserInterface/UserAut= hFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationSmm.inf index b53f70f0e319..ad5a05bac8e6 100644 --- a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthenticationDxe= Smm/UserAuthenticationSmm.inf +++ b/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentication +++ DxeSmm/UserAuthenticationSmm.inf @@ -3,7 +3,7 @@ # # This driver provides SMM services for DXE user authentication module. # -# Copyright (c) 2019 - 2021, Intel Corporation. All rights reserved.
+# Copyright (c) 2019 - 2023, Intel Corporation. All rights=20 +reserved.
# SPDX-License-Identifier: BSD-2-Clause-Patent # ## @@ -15,13 +15,15 @@ MODULE_TYPE =3D DXE_SMM_DRIVER VERSION_STRING =3D 1.0 PI_SPECIFICATION_VERSION =3D 0x0001000A - ENTRY_POINT =3D PasswordSmmInit + ENTRY_POINT =3D UserAuthenticationMmEntry =20 [Sources] UserAuthenticationSmm.c + UserAuthenticationTraditionalMm.c UserAuthenticationSmm.h KeyService.c KeyService.h + UserAuthenticationVariableLock.c =20 [Packages] MdePkg/MdePkg.dec @@ -36,17 +38,18 @@ BaseLib BaseMemoryLib PrintLib - SmmServicesTableLib + MmServicesTableLib MemoryAllocationLib - UefiLib BaseCryptLib PlatformPasswordLib + VariablePolicyHelperLib =20 [Guids] gUserAuthenticationGuid ## CONSUMES ## GUID + gEfiEventExitBootServicesGuid ## CONSUMES ## Event =20 [Protocols] - gEdkiiVariableLockProtocolGuid ## CONSUMES + gEdkiiVariablePolicyProtocolGuid ## CONSUMES gEfiSmmVariableProtocolGuid ## CONSUMES gEdkiiSmmExitBootServicesProtocolGuid ## CONSUMES gEdkiiSmmLegacyBootProtocolGuid ## CONSUMES diff --git a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentica= tionDxeSmm/UserAuthenticationStandaloneMm.c b/Features/Intel/UserInterface/= UserAuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationStandaloneMm.= c new file mode 100644 index 000000000000..c5fc220a7c12 --- /dev/null +++ b/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentication +++ DxeSmm/UserAuthenticationStandaloneMm.c @@ -0,0 +1,43 @@ +/** @file + Entry point of UserAuthenticationStandaloneMm. + + Copyright (c) 2023, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UserAuthenticationSmm.h" + +/** + NULL implement for Lock password variables. + Relies on UserAuthenticationStandaloneMmDxe to lock the password variabl= es. + + @retval EFI_SUCCESS Always return success. + +**/ +EFI_STATUS +LockPasswordVariable ( + VOID + ) +{ + return EFI_SUCCESS; +} + +/** + Main entry for this driver. + + @param ImageHandle Image handle this driver. + @param SystemTable Pointer to SystemTable. + + @retval EFI_SUCESS This function always complete successfully. + +**/ +EFI_STATUS +EFIAPI +UserAuthenticationMmEntry ( + IN EFI_HANDLE ImageHandle, + IN EFI_MM_SYSTEM_TABLE *SystemTable + ) +{ + return PasswordSmmInit (); +} diff --git a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentica= tionDxeSmm/UserAuthenticationStandaloneMm.inf b/Features/Intel/UserInterfac= e/UserAuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationStandaloneM= m.inf new file mode 100644 index 000000000000..ebf92bc7acf2 --- /dev/null +++ b/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentication +++ DxeSmm/UserAuthenticationStandaloneMm.inf @@ -0,0 +1,58 @@ +## @file +# User Authentication Standalone Mm Driver. +# +# This driver provides SMM services for DXE user authentication module. +# This Standalone Mm driver lacks of the ability to lock the password=20 +# variables. Need to rely on UserAuthenticationStandaloneMmDxe to lock=20 +# the variables. +# +# Copyright (c) 2023, Intel Corporation. All rights reserved.
#=20 +SPDX-License-Identifier: BSD-2-Clause-Patent # ## + +[Defines] + INF_VERSION =3D 0x00010005 + BASE_NAME =3D UserAuthenticationStandaloneMm + FILE_GUID =3D 80130611-a67a-4631-becb-87ce22d6f165 + MODULE_TYPE =3D MM_STANDALONE + VERSION_STRING =3D 1.0 + PI_SPECIFICATION_VERSION =3D 0x00010032 + ENTRY_POINT =3D UserAuthenticationMmEntry + +[Sources] + UserAuthenticationSmm.c + UserAuthenticationStandaloneMm.c + UserAuthenticationSmm.h + KeyService.c + KeyService.h + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + CryptoPkg/CryptoPkg.dec + UserAuthFeaturePkg/UserAuthFeaturePkg.dec + +[LibraryClasses] + StandaloneMmDriverEntryPoint + DebugLib + BaseLib + BaseMemoryLib + PrintLib + MmServicesTableLib + MemoryAllocationLib + BaseCryptLib + PlatformPasswordLib + +[Guids] + gUserAuthenticationGuid ## CONSUMES ## GUID + gEfiEventExitBootServicesGuid ## CONSUMES ## Event + +[Protocols] + gEdkiiVariableLockProtocolGuid ## CONSUMES + gEfiSmmVariableProtocolGuid ## CONSUMES + gEdkiiSmmExitBootServicesProtocolGuid ## CONSUMES + gEdkiiSmmLegacyBootProtocolGuid ## CONSUMES + +[Depex] + gEfiSmmVariableProtocolGuid diff --git a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentica= tionDxeSmm/UserAuthenticationStandaloneMmDxe.c b/Features/Intel/UserInterfa= ce/UserAuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationStandalone= MmDxe.c new file mode 100644 index 000000000000..c2abc9e28bb3 --- /dev/null +++ b/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentication +++ DxeSmm/UserAuthenticationStandaloneMmDxe.c @@ -0,0 +1,31 @@ +/** @file + This Driver mainly locks password variables. + + Copyright (c) 2023, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include + +#include "UserAuthenticationVariable.h" + +/** + User Authentication Standalone Mm Dxe driver entry point. + + @param[in] ImageHandle The image handle. + @param[in] SystemTable The system table. + + @retval EFI_SUCCESS The entry point is executed successfully. + @return other Contain some other errors. + +**/ +EFI_STATUS +EFIAPI +UserAuthenticationStandaloneMmDxeEntry ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + return LockPasswordVariable (); +} diff --git a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentica= tionDxeSmm/UserAuthenticationStandaloneMmDxe.inf b/Features/Intel/UserInter= face/UserAuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationStandalo= neMmDxe.inf new file mode 100644 index 000000000000..beb28b461295 --- /dev/null +++ b/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentication +++ DxeSmm/UserAuthenticationStandaloneMmDxe.inf @@ -0,0 +1,42 @@ +## @file +# User Authentication Standalone MM Dxe Driver. +# +# This Driver mainly locks the password variable. +# +# Copyright (c) 2023, Intel Corporation. All rights reserved.
#=20 +SPDX-License-Identifier: BSD-2-Clause-Patent # ## + +[Defines] + INF_VERSION =3D 0x00010005 + BASE_NAME =3D UserAuthenticationStandaloneMmDxe + FILE_GUID =3D 08fc98fb-1cec-45c6-ad02-542096191054 + MODULE_TYPE =3D DXE_DRIVER + VERSION_STRING =3D 1.0 + ENTRY_POINT =3D UserAuthenticationStandaloneMmDxeEntr= y + +[Sources] + UserAuthenticationStandaloneMmDxe.c + UserAuthenticationVariableLock.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + UserAuthFeaturePkg/UserAuthFeaturePkg.dec + +[LibraryClasses] + UefiBootServicesTableLib + UefiDriverEntryPoint + DebugLib + PrintLib + VariablePolicyHelperLib + +[Guids] + gUserAuthenticationGuid ## CONSUMES ## GUID + +[Protocols] + gEdkiiVariablePolicyProtocolGuid ## CONSUMES + +[Depex] + gEdkiiVariableLockProtocolGuid diff --git a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentica= tionDxeSmm/UserAuthenticationTraditionalMm.c b/Features/Intel/UserInterface= /UserAuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationTraditionalM= m.c new file mode 100644 index 000000000000..1514d78f1946 --- /dev/null +++ b/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentication +++ DxeSmm/UserAuthenticationTraditionalMm.c @@ -0,0 +1,28 @@ +/** @file + Entry point of UserAuthenticationSmm. + + Copyright (c) 2023, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UserAuthenticationSmm.h" + +/** + Main entry for this driver. + + @param[in] ImageHandle Image handle this driver. + @param[in] SystemTable Pointer to SystemTable. + + @retval EFI_SUCESS This function always complete successfully. + +**/ +EFI_STATUS +EFIAPI +UserAuthenticationMmEntry ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + return PasswordSmmInit (); +} diff --git a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentica= tionDxeSmm/UserAuthenticationVariable.h b/Features/Intel/UserInterface/User= AuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationVariable.h new file mode 100644 index 000000000000..3b249e06d848 --- /dev/null +++ b/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentication +++ DxeSmm/UserAuthenticationVariable.h @@ -0,0 +1,36 @@ +/** @file + Header file for definition of User Authentication Variable. + + Copyright (c) 2023, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef USER_AUTHENTICATION_VARIABLE_H_ #define=20 +USER_AUTHENTICATION_VARIABLE_H_ + +#define PASSWORD_MAX_TRY_COUNT 3 +#define PASSWORD_HISTORY_CHECK_COUNT 5 + +// +// Name of the variable +// +#define USER_AUTHENTICATION_VAR_NAME L"Password" +#define USER_AUTHENTICATION_HISTORY_LAST_VAR_NAME L"PasswordLast" + +/** + Lock password variables for security concern. + + @retval EFI_SUCCESS Succeed to lock variable. + @retval EFI_NOT_FOUND Variable Lock protocol is not found. + @retval EFI_ACCESS_DENIED EFI_END_OF_DXE_EVENT_GROUP_GUID or EFI_EVE= NT_GROUP_READY_TO_BOOT has + already been signaled. + @retval EFI_OUT_OF_RESOURCES There is not enough resource to hold the l= ock request. + +**/ +EFI_STATUS +LockPasswordVariable ( + VOID + ); + +#endif diff --git a/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentica= tionDxeSmm/UserAuthenticationVariableLock.c b/Features/Intel/UserInterface/= UserAuthFeaturePkg/UserAuthenticationDxeSmm/UserAuthenticationVariableLock.= c new file mode 100644 index 000000000000..dd43991fe711 --- /dev/null +++ b/Features/Intel/UserInterface/UserAuthFeaturePkg/UserAuthentication +++ DxeSmm/UserAuthenticationVariableLock.c @@ -0,0 +1,84 @@ +/** @file + Source code to lock password variables. + + Copyright (c) 2023, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include + +#include + +#include +#include +#include +#include + +#include + +#include "UserAuthenticationVariable.h" + +/** + Lock password variables for security concern. + + @retval EFI_SUCCESS Succeed to lock variable. + @retval EFI_NOT_FOUND Variable Lock protocol is not found. + @retval EFI_ACCESS_DENIED EFI_END_OF_DXE_EVENT_GROUP_GUID or EFI_EVE= NT_GROUP_READY_TO_BOOT has + already been signaled. + @retval EFI_OUT_OF_RESOURCES There is not enough resource to hold the l= ock request. + +**/ +EFI_STATUS +LockPasswordVariable ( + VOID + ) +{ + EFI_STATUS Status; + CHAR16 PasswordHistoryName[sizeof (USER_AUTHENT= ICATION_VAR_NAME)/sizeof (CHAR16) + 5]; + UINTN Index; + EDKII_VARIABLE_POLICY_PROTOCOL *VariablePolicy; + + Status =3D gBS->LocateProtocol (&gEdkiiVariablePolicyProtocolGuid,=20 + NULL, (VOID **)&VariablePolicy); if (!EFI_ERROR (Status)) { + Status =3D RegisterBasicVariablePolicy ( + VariablePolicy, + &gUserAuthenticationGuid, + USER_AUTHENTICATION_VAR_NAME, + 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 + ); + ASSERT_EFI_ERROR (Status); + for (Index =3D 1; Index <=3D PASSWORD_HISTORY_CHECK_COUNT; Index++) { + UnicodeSPrint (PasswordHistoryName, sizeof (PasswordHistoryName), L"= %s%04x", USER_AUTHENTICATION_VAR_NAME, Index); + Status =3D RegisterBasicVariablePolicy ( + VariablePolicy, + &gUserAuthenticationGuid, + PasswordHistoryName, + 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 + ); + ASSERT_EFI_ERROR (Status); + } + + Status =3D RegisterBasicVariablePolicy ( + VariablePolicy, + &gUserAuthenticationGuid, + USER_AUTHENTICATION_HISTORY_LAST_VAR_NAME, + 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 + ); + ASSERT_EFI_ERROR (Status); + } + + return Status; +} -- 2.29.2.windows.2 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#111919): https://edk2.groups.io/g/devel/message/111919 Mute This Topic: https://groups.io/mt/102895177/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-