Rename Crc32GuidedSectionExtractLib to DxeCrc32GuidedSectionExtractLib.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4156 6f19259b-4bc3-4df7-8a09-765794883524

2 files changed, 214 insertions, 0 deletions

diff --git a/MdeModulePkg/Library/DxeCrc32GuidedSectionExtractLib/DxeCrc32GuidedSectionExtractLib.c b/MdeModulePkg/Library/DxeCrc32GuidedSectionExtractLib/DxeCrc32GuidedSectionExtractLib.c
new file mode 100644
index 0000000000..6deb8dc6d2
--- /dev/null
+++ b/MdeModulePkg/Library/DxeCrc32GuidedSectionExtractLib/DxeCrc32GuidedSectionExtractLib.c
@@ -0,0 +1,166 @@
+/*++

+

+Copyright (c) 2007, Intel Corporation                                                         

+All rights reserved. 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,                     

+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             

+

+Module Name:

+

+  DxeCrc32GuidedSectionExtractLib.c

+

+Abstract:

+

+  Implements GUIDed section extraction protocol interface with 

+  a specific GUID: CRC32.

+

+  Please refer to the Framewokr Firmware Volume Specification 0.9.

+

+--*/

+

+#include <PiDxe.h>

+#include <Protocol/Crc32GuidedSectionExtraction.h>

+#include <Protocol/SecurityPolicy.h>

+#include <Library/ExtractGuidedSectionLib.h>

+#include <Library/DebugLib.h>

+#include <Library/UefiBootServicesTableLib.h>

+

+typedef struct {

+  EFI_GUID_DEFINED_SECTION  GuidedSectionHeader;

+  UINT32                    CRC32Checksum;

+} CRC32_SECTION_HEADER;

+

+EFI_STATUS

+EFIAPI

+Crc32GuidedSectionGetInfo (

+  IN  CONST VOID  *InputSection,

+  OUT UINT32      *OutputBufferSize,

+  OUT UINT32      *ScratchBufferSize,

+  OUT UINT16      *SectionAttribute

+  )

+/*++

+

+Routine Description:

+

+  The implementation of Crc32 guided section GetInfo().

+

+Arguments:

+  InputSection          Buffer containing the input GUIDed section to be processed. 

+  OutputBufferSize      The size of OutputBuffer.

+  ScratchBufferSize     The size of ScratchBuffer.

+  SectionAttribute      The attribute of the input guided section.

+

+Returns:

+

+  EFI_SUCCESS           - The size of destination buffer and the size of scratch buffer are successull retrieved.

+  EFI_INVALID_PARAMETER - The source data is corrupted

+

+--*/

+{

+  //

+  // Retrieve the size and attribute of the input section data.

+  //

+  *SectionAttribute  = ((EFI_GUID_DEFINED_SECTION *) InputSection)->Attributes;

+  *ScratchBufferSize = 0;

+  *OutputBufferSize  = *(UINT32 *) (((EFI_COMMON_SECTION_HEADER *) InputSection)->Size) & 0x00ffffff;

+  *OutputBufferSize  -= ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset;

+

+  return EFI_SUCCESS;

+}

+

+EFI_STATUS

+EFIAPI

+Crc32GuidedSectionHandler (

+  IN CONST  VOID    *InputSection,

+  OUT       VOID    **OutputBuffer,

+  IN        VOID    *ScratchBuffer,        OPTIONAL

+  OUT       UINT32  *AuthenticationStatus

+  )

+/*++

+

+Routine Description:

+

+  The implementation of Crc32 Guided section extraction.

+

+Arguments:

+  InputSection           Buffer containing the input GUIDed section to be processed. 

+  OutputBuffer           OutputBuffer to point to the start of the section's contents.

+                         if guided data is not prcessed. Otherwise,

+                         OutputBuffer to contain the output data, which is allocated by the caller.

+  ScratchBuffer          A pointer to a caller-allocated buffer for function internal use. 

+  AuthenticationStatus   A pointer to a caller-allocated UINT32 that indicates the

+                         authentication status of the output buffer. 
+

+Returns:

+

+  EFI_SUCCESS           - Decompression is successfull

+  EFI_INVALID_PARAMETER - The source data is corrupted

+

+--*/

+{

+  EFI_STATUS                Status;

+  CRC32_SECTION_HEADER      *Crc32SectionHeader;

+  UINT32                    Crc32Checksum;

+  UINT32                    OutputBufferSize;

+  VOID                      *DummyInterface;

+

+  Crc32Checksum = 0;

+  //

+  // Points to the Crc32 section header

+  //

+  Crc32SectionHeader = (CRC32_SECTION_HEADER *) InputSection;

+  *OutputBuffer      = (UINT8 *) InputSection + Crc32SectionHeader->GuidedSectionHeader.DataOffset;

+  OutputBufferSize   = *(UINT32 *) (((EFI_COMMON_SECTION_HEADER *) InputSection)->Size) & 0x00ffffff; 

+  OutputBufferSize   -= Crc32SectionHeader->GuidedSectionHeader.DataOffset;

+

+  //

+  // Implictly CRC32 GUIDed section should have STATUS_VALID bit set

+  //

+  ASSERT (Crc32SectionHeader->GuidedSectionHeader.Attributes & EFI_GUIDED_SECTION_AUTH_STATUS_VALID);

+  *AuthenticationStatus = EFI_AUTH_STATUS_IMAGE_SIGNED;

+

+  //

+  // Check whether there exists EFI_SECURITY_POLICY_PROTOCOL_GUID.

+  //

+  Status = gBS->LocateProtocol (&gEfiSecurityPolicyProtocolGuid, NULL, &DummyInterface);

+  if (!EFI_ERROR (Status)) {

+    *AuthenticationStatus |= EFI_AUTH_STATUS_PLATFORM_OVERRIDE;

+  } else {

+    //

+    // Calculate CRC32 Checksum of Image

+    //

+    Status = gBS->CalculateCrc32 (*OutputBuffer, OutputBufferSize, &Crc32Checksum);

+    if (Status == EFI_SUCCESS) {

+      if (Crc32Checksum != Crc32SectionHeader->CRC32Checksum) {

+        *AuthenticationStatus |= EFI_AUTH_STATUS_TEST_FAILED;

+      }

+    } else {

+      *AuthenticationStatus |= EFI_AUTH_STATUS_NOT_TESTED;

+    }

+  }

+

+  return EFI_SUCCESS;

+}

+

+/**
+  Register Crc32 section handler.

+
+  @retval  RETURN_SUCCESS            Register successfully.

+  @retval  RETURN_OUT_OF_RESOURCES   No enough memory to store this handler.
+**/

+EFI_STATUS

+EFIAPI

+DxeCrc32GuidedSectionExtractLibConstructor (

+  )

+{

+  return ExtractGuidedSectionRegisterHandlers (

+          &gEfiCrc32GuidedSectionExtractionProtocolGuid,

+          Crc32GuidedSectionGetInfo,

+          Crc32GuidedSectionHandler

+          );

+}

+

diff --git a/MdeModulePkg/Library/DxeCrc32GuidedSectionExtractLib/DxeCrc32GuidedSectionExtractLib.inf b/MdeModulePkg/Library/DxeCrc32GuidedSectionExtractLib/DxeCrc32GuidedSectionExtractLib.inf
new file mode 100644
index 0000000000..d5f136de4a
--- /dev/null
+++ b/MdeModulePkg/Library/DxeCrc32GuidedSectionExtractLib/DxeCrc32GuidedSectionExtractLib.inf
@@ -0,0 +1,48 @@
+#/** @file

+# Component description file for Crc32SectionExtract library.

+#

+# Copyright (c) 2006 - 2007, Intel Corporation

+#

+#  All rights reserved. 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,

+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

+#

+#

+#**/

+

+[Defines]

+  INF_VERSION                    = 0x00010005

+  BASE_NAME                      = DxeCrc32GuidedSectionExtractLib

+  FILE_GUID                      = 387A2490-81FC-4E7C-8E0A-3E58C30FCD0B

+  MODULE_TYPE                    = DXE_DRIVER

+  VERSION_STRING                 = 1.0

+  EDK_RELEASE_VERSION            = 0x00020000

+  EFI_SPECIFICATION_VERSION      = 0x00020000

+

+  CONSTRUCTOR                    = DxeCrc32GuidedSectionExtractLibConstructor

+

+#

+# The following information is for reference only and not required by the build tools.

+#

+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC

+#

+

+[Sources.common]

+  DxeCrc32GuidedSectionExtractLib.c

+

+[Packages]

+  MdePkg/MdePkg.dec

+  MdeModulePkg/MdeModulePkg.dec

+

+[LibraryClasses]

+  ExtractGuidedSectionLib

+  UefiBootServicesTableLib

+  DebugLib

+

+[Protocols]

+  gEfiCrc32GuidedSectionExtractionProtocolGuid

+  gEfiSecurityPolicyProtocolGuid

+  
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