diff options
Diffstat (limited to 'MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib')
3 files changed, 282 insertions, 282 deletions
diff --git a/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.c b/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.c index 63f149e7e0..dda810fb97 100644 --- a/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.c +++ b/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.c @@ -1,220 +1,220 @@ -/** @file
-
- This library registers CRC32 guided section handler
- to parse CRC32 encapsulation section and extract raw data.
-
-Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include <PiPei.h>
-#include <Guid/Crc32GuidedSectionExtraction.h>
-#include <Library/BaseLib.h>
-#include <Library/ExtractGuidedSectionLib.h>
-#include <Library/DebugLib.h>
-#include <Library/BaseMemoryLib.h>
-
-///
-/// CRC32 Guided Section header
-///
-typedef struct {
- EFI_GUID_DEFINED_SECTION GuidedSectionHeader; ///< EFI guided section header
- UINT32 CRC32Checksum; ///< 32bit CRC check sum
-} CRC32_SECTION_HEADER;
-
-typedef struct {
- EFI_GUID_DEFINED_SECTION2 GuidedSectionHeader; ///< EFI guided section header
- UINT32 CRC32Checksum; ///< 32bit CRC check sum
-} CRC32_SECTION2_HEADER;
-
-/**
-
- GetInfo gets raw data size and attribute of the input guided section.
- It first checks whether the input guid section is supported.
- If not, EFI_INVALID_PARAMETER will return.
-
- @param InputSection Buffer containing the input GUIDed section to be processed.
- @param OutputBufferSize The size of OutputBuffer.
- @param ScratchBufferSize The size of ScratchBuffer.
- @param SectionAttribute The attribute of the input guided section.
-
- @retval EFI_SUCCESS The size of destination buffer, the size of scratch buffer and
- the attribute of the input section are successfully retrieved.
- @retval EFI_INVALID_PARAMETER The GUID in InputSection does not match this instance guid.
-
-**/
-EFI_STATUS
-EFIAPI
-Crc32GuidedSectionGetInfo (
- IN CONST VOID *InputSection,
- OUT UINT32 *OutputBufferSize,
- OUT UINT32 *ScratchBufferSize,
- OUT UINT16 *SectionAttribute
- )
-{
- if (IS_SECTION2 (InputSection)) {
- //
- // Check whether the input guid section is recognized.
- //
- if (!CompareGuid (
- &gEfiCrc32GuidedSectionExtractionGuid,
- &(((EFI_GUID_DEFINED_SECTION2 *)InputSection)->SectionDefinitionGuid)
- ))
- {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Retrieve the size and attribute of the input section data.
- //
- *SectionAttribute = ((EFI_GUID_DEFINED_SECTION2 *)InputSection)->Attributes;
- *ScratchBufferSize = 0;
- *OutputBufferSize = SECTION2_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION2 *)InputSection)->DataOffset;
- } else {
- //
- // Check whether the input guid section is recognized.
- //
- if (!CompareGuid (
- &gEfiCrc32GuidedSectionExtractionGuid,
- &(((EFI_GUID_DEFINED_SECTION *)InputSection)->SectionDefinitionGuid)
- ))
- {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Retrieve the size and attribute of the input section data.
- //
- *SectionAttribute = ((EFI_GUID_DEFINED_SECTION *)InputSection)->Attributes;
- *ScratchBufferSize = 0;
- *OutputBufferSize = SECTION_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION *)InputSection)->DataOffset;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
-
- Extraction handler tries to extract raw data from the input guided section.
- It also does authentication check for 32bit CRC value in the input guided section.
- It first checks whether the input guid section is supported.
- If not, EFI_INVALID_PARAMETER will return.
-
- @param InputSection Buffer containing the input GUIDed section to be processed.
- @param OutputBuffer Buffer to contain the output raw data allocated by the caller.
- @param ScratchBuffer A pointer to a caller-allocated buffer for function internal use.
- @param AuthenticationStatus A pointer to a caller-allocated UINT32 that indicates the
- authentication status of the output buffer.
-
- @retval EFI_SUCCESS Section Data and Auth Status is extracted successfully.
- @retval EFI_INVALID_PARAMETER The GUID in InputSection does not match this instance guid.
-
-**/
-EFI_STATUS
-EFIAPI
-Crc32GuidedSectionHandler (
- IN CONST VOID *InputSection,
- OUT VOID **OutputBuffer,
- IN VOID *ScratchBuffer OPTIONAL,
- OUT UINT32 *AuthenticationStatus
- )
-{
- UINT32 SectionCrc32Checksum;
- UINT32 Crc32Checksum;
- UINT32 OutputBufferSize;
-
- if (IS_SECTION2 (InputSection)) {
- //
- // Check whether the input guid section is recognized.
- //
- if (!CompareGuid (
- &gEfiCrc32GuidedSectionExtractionGuid,
- &(((EFI_GUID_DEFINED_SECTION2 *)InputSection)->SectionDefinitionGuid)
- ))
- {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Get section Crc32 checksum.
- //
- SectionCrc32Checksum = ((CRC32_SECTION2_HEADER *)InputSection)->CRC32Checksum;
- *OutputBuffer = (UINT8 *)InputSection + ((EFI_GUID_DEFINED_SECTION2 *)InputSection)->DataOffset;
- OutputBufferSize = SECTION2_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION2 *)InputSection)->DataOffset;
-
- //
- // Implicitly CRC32 GUIDed section should have STATUS_VALID bit set
- //
- ASSERT (((EFI_GUID_DEFINED_SECTION2 *)InputSection)->Attributes & EFI_GUIDED_SECTION_AUTH_STATUS_VALID);
- *AuthenticationStatus = EFI_AUTH_STATUS_IMAGE_SIGNED;
- } else {
- //
- // Check whether the input guid section is recognized.
- //
- if (!CompareGuid (
- &gEfiCrc32GuidedSectionExtractionGuid,
- &(((EFI_GUID_DEFINED_SECTION *)InputSection)->SectionDefinitionGuid)
- ))
- {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Get section Crc32 checksum.
- //
- SectionCrc32Checksum = ((CRC32_SECTION_HEADER *)InputSection)->CRC32Checksum;
- *OutputBuffer = (UINT8 *)InputSection + ((EFI_GUID_DEFINED_SECTION *)InputSection)->DataOffset;
- OutputBufferSize = SECTION_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION *)InputSection)->DataOffset;
-
- //
- // Implicitly CRC32 GUIDed section should have STATUS_VALID bit set
- //
- ASSERT (((EFI_GUID_DEFINED_SECTION *)InputSection)->Attributes & EFI_GUIDED_SECTION_AUTH_STATUS_VALID);
- *AuthenticationStatus = EFI_AUTH_STATUS_IMAGE_SIGNED;
- }
-
- //
- // Calculate CRC32 Checksum of Image
- //
- Crc32Checksum = CalculateCrc32 (*OutputBuffer, OutputBufferSize);
- if (Crc32Checksum != SectionCrc32Checksum) {
- //
- // If Crc32 checksum is not matched, AUTH tested failed bit is set.
- //
- *AuthenticationStatus |= EFI_AUTH_STATUS_TEST_FAILED;
- }
-
- //
- // Temp solution until PeiCore checks AUTH Status.
- //
- if ((*AuthenticationStatus & (EFI_AUTH_STATUS_TEST_FAILED | EFI_AUTH_STATUS_NOT_TESTED)) != 0) {
- return EFI_ACCESS_DENIED;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Register the handler to extract CRC32 guided section.
-
- @param FileHandle The handle of FFS header the loaded driver.
- @param PeiServices The pointer to the PEI services.
-
- @retval EFI_SUCCESS Register successfully.
- @retval EFI_OUT_OF_RESOURCES Not enough memory to register this handler.
-
-**/
-EFI_STATUS
-EFIAPI
-PeiCrc32GuidedSectionExtractLibConstructor (
- IN EFI_PEI_FILE_HANDLE FileHandle,
- IN CONST EFI_PEI_SERVICES **PeiServices
- )
-{
- return ExtractGuidedSectionRegisterHandlers (
- &gEfiCrc32GuidedSectionExtractionGuid,
- Crc32GuidedSectionGetInfo,
- Crc32GuidedSectionHandler
- );
-}
+/** @file + + This library registers CRC32 guided section handler + to parse CRC32 encapsulation section and extract raw data. + +Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include <PiPei.h> +#include <Guid/Crc32GuidedSectionExtraction.h> +#include <Library/BaseLib.h> +#include <Library/ExtractGuidedSectionLib.h> +#include <Library/DebugLib.h> +#include <Library/BaseMemoryLib.h> + +/// +/// CRC32 Guided Section header +/// +typedef struct { + EFI_GUID_DEFINED_SECTION GuidedSectionHeader; ///< EFI guided section header + UINT32 CRC32Checksum; ///< 32bit CRC check sum +} CRC32_SECTION_HEADER; + +typedef struct { + EFI_GUID_DEFINED_SECTION2 GuidedSectionHeader; ///< EFI guided section header + UINT32 CRC32Checksum; ///< 32bit CRC check sum +} CRC32_SECTION2_HEADER; + +/** + + GetInfo gets raw data size and attribute of the input guided section. + It first checks whether the input guid section is supported. + If not, EFI_INVALID_PARAMETER will return. + + @param InputSection Buffer containing the input GUIDed section to be processed. + @param OutputBufferSize The size of OutputBuffer. + @param ScratchBufferSize The size of ScratchBuffer. + @param SectionAttribute The attribute of the input guided section. + + @retval EFI_SUCCESS The size of destination buffer, the size of scratch buffer and + the attribute of the input section are successfully retrieved. + @retval EFI_INVALID_PARAMETER The GUID in InputSection does not match this instance guid. + +**/ +EFI_STATUS +EFIAPI +Crc32GuidedSectionGetInfo ( + IN CONST VOID *InputSection, + OUT UINT32 *OutputBufferSize, + OUT UINT32 *ScratchBufferSize, + OUT UINT16 *SectionAttribute + ) +{ + if (IS_SECTION2 (InputSection)) { + // + // Check whether the input guid section is recognized. + // + if (!CompareGuid ( + &gEfiCrc32GuidedSectionExtractionGuid, + &(((EFI_GUID_DEFINED_SECTION2 *)InputSection)->SectionDefinitionGuid) + )) + { + return EFI_INVALID_PARAMETER; + } + + // + // Retrieve the size and attribute of the input section data. + // + *SectionAttribute = ((EFI_GUID_DEFINED_SECTION2 *)InputSection)->Attributes; + *ScratchBufferSize = 0; + *OutputBufferSize = SECTION2_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION2 *)InputSection)->DataOffset; + } else { + // + // Check whether the input guid section is recognized. + // + if (!CompareGuid ( + &gEfiCrc32GuidedSectionExtractionGuid, + &(((EFI_GUID_DEFINED_SECTION *)InputSection)->SectionDefinitionGuid) + )) + { + return EFI_INVALID_PARAMETER; + } + + // + // Retrieve the size and attribute of the input section data. + // + *SectionAttribute = ((EFI_GUID_DEFINED_SECTION *)InputSection)->Attributes; + *ScratchBufferSize = 0; + *OutputBufferSize = SECTION_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION *)InputSection)->DataOffset; + } + + return EFI_SUCCESS; +} + +/** + + Extraction handler tries to extract raw data from the input guided section. + It also does authentication check for 32bit CRC value in the input guided section. + It first checks whether the input guid section is supported. + If not, EFI_INVALID_PARAMETER will return. + + @param InputSection Buffer containing the input GUIDed section to be processed. + @param OutputBuffer Buffer to contain the output raw data allocated by the caller. + @param ScratchBuffer A pointer to a caller-allocated buffer for function internal use. + @param AuthenticationStatus A pointer to a caller-allocated UINT32 that indicates the + authentication status of the output buffer. + + @retval EFI_SUCCESS Section Data and Auth Status is extracted successfully. + @retval EFI_INVALID_PARAMETER The GUID in InputSection does not match this instance guid. + +**/ +EFI_STATUS +EFIAPI +Crc32GuidedSectionHandler ( + IN CONST VOID *InputSection, + OUT VOID **OutputBuffer, + IN VOID *ScratchBuffer OPTIONAL, + OUT UINT32 *AuthenticationStatus + ) +{ + UINT32 SectionCrc32Checksum; + UINT32 Crc32Checksum; + UINT32 OutputBufferSize; + + if (IS_SECTION2 (InputSection)) { + // + // Check whether the input guid section is recognized. + // + if (!CompareGuid ( + &gEfiCrc32GuidedSectionExtractionGuid, + &(((EFI_GUID_DEFINED_SECTION2 *)InputSection)->SectionDefinitionGuid) + )) + { + return EFI_INVALID_PARAMETER; + } + + // + // Get section Crc32 checksum. + // + SectionCrc32Checksum = ((CRC32_SECTION2_HEADER *)InputSection)->CRC32Checksum; + *OutputBuffer = (UINT8 *)InputSection + ((EFI_GUID_DEFINED_SECTION2 *)InputSection)->DataOffset; + OutputBufferSize = SECTION2_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION2 *)InputSection)->DataOffset; + + // + // Implicitly CRC32 GUIDed section should have STATUS_VALID bit set + // + ASSERT (((EFI_GUID_DEFINED_SECTION2 *)InputSection)->Attributes & EFI_GUIDED_SECTION_AUTH_STATUS_VALID); + *AuthenticationStatus = EFI_AUTH_STATUS_IMAGE_SIGNED; + } else { + // + // Check whether the input guid section is recognized. + // + if (!CompareGuid ( + &gEfiCrc32GuidedSectionExtractionGuid, + &(((EFI_GUID_DEFINED_SECTION *)InputSection)->SectionDefinitionGuid) + )) + { + return EFI_INVALID_PARAMETER; + } + + // + // Get section Crc32 checksum. + // + SectionCrc32Checksum = ((CRC32_SECTION_HEADER *)InputSection)->CRC32Checksum; + *OutputBuffer = (UINT8 *)InputSection + ((EFI_GUID_DEFINED_SECTION *)InputSection)->DataOffset; + OutputBufferSize = SECTION_SIZE (InputSection) - ((EFI_GUID_DEFINED_SECTION *)InputSection)->DataOffset; + + // + // Implicitly CRC32 GUIDed section should have STATUS_VALID bit set + // + ASSERT (((EFI_GUID_DEFINED_SECTION *)InputSection)->Attributes & EFI_GUIDED_SECTION_AUTH_STATUS_VALID); + *AuthenticationStatus = EFI_AUTH_STATUS_IMAGE_SIGNED; + } + + // + // Calculate CRC32 Checksum of Image + // + Crc32Checksum = CalculateCrc32 (*OutputBuffer, OutputBufferSize); + if (Crc32Checksum != SectionCrc32Checksum) { + // + // If Crc32 checksum is not matched, AUTH tested failed bit is set. + // + *AuthenticationStatus |= EFI_AUTH_STATUS_TEST_FAILED; + } + + // + // Temp solution until PeiCore checks AUTH Status. + // + if ((*AuthenticationStatus & (EFI_AUTH_STATUS_TEST_FAILED | EFI_AUTH_STATUS_NOT_TESTED)) != 0) { + return EFI_ACCESS_DENIED; + } + + return EFI_SUCCESS; +} + +/** + Register the handler to extract CRC32 guided section. + + @param FileHandle The handle of FFS header the loaded driver. + @param PeiServices The pointer to the PEI services. + + @retval EFI_SUCCESS Register successfully. + @retval EFI_OUT_OF_RESOURCES Not enough memory to register this handler. + +**/ +EFI_STATUS +EFIAPI +PeiCrc32GuidedSectionExtractLibConstructor ( + IN EFI_PEI_FILE_HANDLE FileHandle, + IN CONST EFI_PEI_SERVICES **PeiServices + ) +{ + return ExtractGuidedSectionRegisterHandlers ( + &gEfiCrc32GuidedSectionExtractionGuid, + Crc32GuidedSectionGetInfo, + Crc32GuidedSectionHandler + ); +} diff --git a/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.inf b/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.inf index db370ea8f9..0d54b25e7a 100644 --- a/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.inf +++ b/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.inf @@ -1,44 +1,44 @@ -## @file
-# Pei Crc32 Guided Section Extract library.
-#
-# This library doesn't produce any library class. The constructor function uses
-# ExtractGuidedSectionLib service to register CRC32 guided section handler
-# that parses CRC32 encapsulation section and extracts raw data.
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-#
-# SPDX-License-Identifier: BSD-2-Clause-Patent
-#
-##
-
-[Defines]
- INF_VERSION = 0x00010005
- BASE_NAME = PeiCrc32GuidedSectionExtractLib
- FILE_GUID = 1EBE57F5-BE42-45f0-A1F9-FA3DC633910B
- MODULE_TYPE = PEIM
- VERSION_STRING = 1.0
- LIBRARY_CLASS = NULL|PEI_CORE PEIM
- CONSTRUCTOR = PeiCrc32GuidedSectionExtractLibConstructor
- MODULE_UNI_FILE = PeiCrc32GuidedSectionExtractLib.uni
-
-#
-# The following information is for reference only and not required by the build tools.
-#
-# VALID_ARCHITECTURES = IA32 X64 EBC (EBC is for build only)
-#
-
-[Sources]
- PeiCrc32GuidedSectionExtractLib.c
-
-[Packages]
- MdePkg/MdePkg.dec
- MdeModulePkg/MdeModulePkg.dec
-
-[LibraryClasses]
- ExtractGuidedSectionLib
- DebugLib
- BaseMemoryLib
- BaseLib
-
-[Guids]
- gEfiCrc32GuidedSectionExtractionGuid ## PRODUCES ## UNDEFINED
+## @file +# Pei Crc32 Guided Section Extract library. +# +# This library doesn't produce any library class. The constructor function uses +# ExtractGuidedSectionLib service to register CRC32 guided section handler +# that parses CRC32 encapsulation section and extracts raw data. +# +# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = PeiCrc32GuidedSectionExtractLib + FILE_GUID = 1EBE57F5-BE42-45f0-A1F9-FA3DC633910B + MODULE_TYPE = PEIM + VERSION_STRING = 1.0 + LIBRARY_CLASS = NULL|PEI_CORE PEIM + CONSTRUCTOR = PeiCrc32GuidedSectionExtractLibConstructor + MODULE_UNI_FILE = PeiCrc32GuidedSectionExtractLib.uni + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = IA32 X64 EBC (EBC is for build only) +# + +[Sources] + PeiCrc32GuidedSectionExtractLib.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + +[LibraryClasses] + ExtractGuidedSectionLib + DebugLib + BaseMemoryLib + BaseLib + +[Guids] + gEfiCrc32GuidedSectionExtractionGuid ## PRODUCES ## UNDEFINED diff --git a/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.uni b/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.uni index 118aa07e9e..73886365d8 100644 --- a/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.uni +++ b/MdeModulePkg/Library/PeiCrc32GuidedSectionExtractLib/PeiCrc32GuidedSectionExtractLib.uni @@ -1,18 +1,18 @@ -// /** @file
-// Pei Crc32 Guided Section Extract library.
-//
-// This library doesn't produce any library class. The constructor function uses
-// ExtractGuidedSectionLib service to register CRC32 guided section handler
-// that parses CRC32 encapsulation section and extracts raw data.
-//
-// Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
-//
-// SPDX-License-Identifier: BSD-2-Clause-Patent
-//
-// **/
-
-
-#string STR_MODULE_ABSTRACT #language en-US "Pei Crc32 Guided Section Extract library."
-
-#string STR_MODULE_DESCRIPTION #language en-US "This library doesn't produce any library class. The constructor function uses ExtractGuidedSectionLib service to register CRC32 guided section handler that parses CRC32 encapsulation section and extracts raw data."
-
+// /** @file +// Pei Crc32 Guided Section Extract library. +// +// This library doesn't produce any library class. The constructor function uses +// ExtractGuidedSectionLib service to register CRC32 guided section handler +// that parses CRC32 encapsulation section and extracts raw data. +// +// Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR> +// +// SPDX-License-Identifier: BSD-2-Clause-Patent +// +// **/ + + +#string STR_MODULE_ABSTRACT #language en-US "Pei Crc32 Guided Section Extract library." + +#string STR_MODULE_DESCRIPTION #language en-US "This library doesn't produce any library class. The constructor function uses ExtractGuidedSectionLib service to register CRC32 guided section handler that parses CRC32 encapsulation section and extracts raw data." + |
