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Update ConfigAcess Protocol which is produced by SecureBootConfigDxe to follow the UEFI SPEC (Handle the Request parameter is NULL in ExtractConfig interface). 

Signed-off-by: qianouyang
Reviewed-by: ydong10




git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12707 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qianouyang 2011-11-15 10:22:35 +00:00
parent 9cc86267ce
commit bc0c99b3df
2 changed files with 74 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

98
SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigImpl.c
View File

@ -2,12 +2,12 @@
HII Config Access protocol implementation of SecureBoot configuration module.
Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
@ -40,7 +40,7 @@ HII_VENDOR_DEVICE_PATH mSecureBootHiiVendorDevicePath = {
{
END_DEVICE_PATH_TYPE,
END_ENTIRE_DEVICE_PATH_SUBTYPE,
{
{
(UINT8) (END_DEVICE_PATH_LENGTH),
(UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
}
@ -62,12 +62,12 @@ SaveSecureBootVariable (
)
{
EFI_STATUS Status;
Status = gRT->SetVariable (
EFI_SECURE_BOOT_ENABLE_NAME,
EFI_SECURE_BOOT_ENABLE_NAME,
&gEfiSecureBootEnableDisableGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
sizeof (UINT8),
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
sizeof (UINT8),
&VarValue
);
if (EFI_ERROR (Status)) {
@ -114,25 +114,36 @@ SecureBootExtractConfig (
{
EFI_STATUS Status;
UINTN BufferSize;
UINTN Size;
SECUREBOOT_CONFIGURATION Configuration;
EFI_STRING ConfigRequest;
EFI_STRING ConfigRequestHdr;
UINT8 *SecureBootEnable;
SECUREBOOT_CONFIG_PRIVATE_DATA *PrivateData;
BOOLEAN AllocatedRequest;
if (Progress == NULL || Results == NULL) {
return EFI_INVALID_PARAMETER;
}
*Progress = Request;
AllocatedRequest = FALSE;
ConfigRequestHdr = NULL;
ConfigRequest = NULL;
Size = 0;
PrivateData = SECUREBOOT_CONFIG_PRIVATE_FROM_THIS (This);
*Progress = Request;
if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gSecureBootConfigFormSetGuid, mSecureBootStorageName)) {
return EFI_NOT_FOUND;
}
//
// Get the SecureBoot Variable
//
SecureBootEnable = GetVariable (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid);
SecureBootEnable = GetVariable (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid);
//
// If the SecureBoot Variable doesn't exist, hide the SecureBoot Enable/Disable
// Checkbox.
@ -144,8 +155,26 @@ SecureBootExtractConfig (
Configuration.SecureBootState = *SecureBootEnable;
}
BufferSize = sizeof (Configuration);
BufferSize = sizeof (SECUREBOOT_CONFIGURATION);
ConfigRequest = Request;
if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {
//
// Request is set to NULL or OFFSET is NULL, construct full request string.
//
//
// Allocate and fill a buffer large enough to hold the <ConfigHdr> template
// followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
//
ConfigRequestHdr = HiiConstructConfigHdr (&gSecureBootConfigFormSetGuid, mSecureBootStorageName, PrivateData->DriverHandle);
Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
ConfigRequest = AllocateZeroPool (Size);
ASSERT (ConfigRequest != NULL);
AllocatedRequest = TRUE;
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
FreePool (ConfigRequestHdr);
ConfigRequestHdr = NULL;
}
Status = gHiiConfigRouting->BlockToConfig (
gHiiConfigRouting,
@ -155,7 +184,14 @@ SecureBootExtractConfig (
Results,
Progress
);
//
// Free the allocated config request string.
//
if (AllocatedRequest) {
FreePool (ConfigRequest);
}
//
// Set Progress string to the original request string.
//
@ -198,7 +234,7 @@ SecureBootRouteConfig (
UINTN BufferSize;
SECUREBOOT_CONFIGURATION SecureBootConfiguration;
UINT8 *SecureBootEnable;
if (Configuration == NULL || Progress == NULL) {
return EFI_INVALID_PARAMETER;
@ -224,17 +260,17 @@ SecureBootRouteConfig (
return Status;
}
SecureBootEnable = GetVariable (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid);
SecureBootEnable = GetVariable (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid);
if (SecureBootEnable == NULL) {
return EFI_SUCCESS;
}
}
if ((*SecureBootEnable) != SecureBootConfiguration.SecureBootState) {
//
// If the configure is changed, update the SecureBoot Variable.
//
SaveSecureBootVariable (SecureBootConfiguration.SecureBootState);
}
SaveSecureBootVariable (SecureBootConfiguration.SecureBootState);
}
return EFI_SUCCESS;
}
@ -272,7 +308,7 @@ SecureBootCallback (
)
{
BOOLEAN SecureBootEnable;
if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
@ -280,13 +316,13 @@ SecureBootCallback (
if ((Action != EFI_BROWSER_ACTION_CHANGING) || (QuestionId != KEY_SECURE_BOOT_ENABLE)) {
return EFI_UNSUPPORTED;
}
if (NULL == GetVariable (EFI_SECURE_BOOT_ENABLE_NAME, &gEfiSecureBootEnableDisableGuid)) {
return EFI_SUCCESS;
}
SecureBootEnable = Value->u8;
SaveSecureBootVariable (Value->u8);
SaveSecureBootVariable (Value->u8);
return EFI_SUCCESS;
}
@ -346,13 +382,13 @@ InstallSecureBootConfigForm (
&gEfiHiiConfigAccessProtocolGuid,
ConfigAccess,
NULL
);
);
return EFI_OUT_OF_RESOURCES;
}
PrivateData->HiiHandle = HiiHandle;
return EFI_SUCCESS;
return EFI_SUCCESS;
}
/**
@ -388,6 +424,6 @@ UninstallSecureBootConfigForm (
);
PrivateData->DriverHandle = NULL;
}
FreePool (PrivateData);
}

11
SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigImpl.h
View File

@ -3,12 +3,12 @@
configuration module.
Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
@ -31,6 +31,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Library/UefiLib.h>
#include <Library/HiiLib.h>
#include <Library/DevicePathLib.h>
#include <Library/PrintLib.h>
#include <Guid/MdeModuleHii.h>
#include <Guid/AuthenticatedVariableFormat.h>
@ -63,6 +64,8 @@ typedef struct {
extern SECUREBOOT_CONFIG_PRIVATE_DATA mSecureBootConfigPrivateDateTemplate;
#define SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('S', 'E', 'C', 'B')
#define SECUREBOOT_CONFIG_PRIVATE_FROM_THIS(a) CR (a, SECUREBOOT_CONFIG_PRIVATE_DATA, ConfigAccess, SECUREBOOT_CONFIG_PRIVATE_DATA_SIGNATURE)
/**
This function publish the SecureBoot configuration Form.