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1
README.md
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1
README.md
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# SmokelessRuntimeEFIPatcher
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34
SmokelessRuntimeEFIPatcher.dsc
Executable file
34
SmokelessRuntimeEFIPatcher.dsc
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[Defines]
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PLATFORM_NAME = SmokelessRuntimeEFIPatcherPkg
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PLATFORM_GUID = 435762d8-e678-46f0-a3d2-5c041a3a1368
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PLATFORM_VERSION = 0.01
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DSC_SPECIFICATION = 0x00010006
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OUTPUT_DIRECTORY = Build/SmokelessRuntimeEFIPatcher
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SUPPORTED_ARCHITECTURES = IA32|X64|EBC|ARM|AARCH64
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BUILD_TARGETS = DEBUG|RELEASE|NOOPT
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SKUID_IDENTIFIER = DEFAULT
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[LibraryClasses]
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BaseLib|MdePkg/Library/BaseLib/BaseLib.inf
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UefiDriverEntryPoint|MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf
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UefiApplicationEntryPoint|MdePkg/Library/UefiApplicationEntryPoint/UefiApplicationEntryPoint.inf
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UefiBootServicesTableLib|MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.inf
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UefiRuntimeServicesTableLib|MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf
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MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
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UefiLib|MdePkg/Library/UefiLib/UefiLib.inf
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UefiHiiServicesLib|MdeModulePkg/Library/UefiHiiServicesLib/UefiHiiServicesLib.inf
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HiiLib|MdeModulePkg/Library/UefiHiiLib/UefiHiiLib.inf
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PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
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BaseMemoryLib|MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
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PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
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DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
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UefiRuntimeLib|MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf
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DebugLib|MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf
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RegisterFilterLib|MdePkg/Library/RegisterFilterLibNull/RegisterFilterLibNull.inf
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BaseCryptLib|CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
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OpensslLib|CryptoPkg/Library/OpensslLib/OpensslLib.inf
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IntrinsicLib|CryptoPkg/Library/IntrinsicLib/IntrinsicLib.inf
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RngLib|MdePkg/Library/BaseRngLib/BaseRngLib.inf
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HandleParsingLib|ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.inf
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[Components]
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SmokelessRuntimeEFIPatcher/SmokelessRuntimeEFIPatcher/SmokelessRuntimeEFIPatcher.inf
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126
SmokelessRuntimeEFIPatcher/OpCode.c
Normal file
126
SmokelessRuntimeEFIPatcher/OpCode.c
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#include "Opcode.h"
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#include "Utility.h"
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EFI_STATUS LoadFS(EFI_HANDLE ImageHandle, CHAR8 *FileName, EFI_LOADED_IMAGE_PROTOCOL **ImageInfo, EFI_HANDLE *AppImageHandle)
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{
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UINTN ExitDataSize;
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UINTN NumHandles;
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UINTN Index;
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EFI_HANDLE *SFS_Handles;
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EFI_STATUS Status = EFI_SUCCESS;
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EFI_BLOCK_IO_PROTOCOL *BlkIo;
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EFI_DEVICE_PATH_PROTOCOL *FilePath;
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Status =
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gBS->LocateHandleBuffer(ByProtocol, &gEfiSimpleFileSystemProtocolGuid,
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NULL, &NumHandles, &SFS_Handles);
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if (Status != EFI_SUCCESS)
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{
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Print(L"Could not find handles - %r\n", Status);
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return Status;
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}
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Print(L"No of Handle - %d\n", NumHandles);
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for (Index = 0; Index < NumHandles; Index++)
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{
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Status = gBS->OpenProtocol(
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SFS_Handles[Index], &gEfiSimpleFileSystemProtocolGuid, (VOID **)&BlkIo,
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ImageHandle, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
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if (Status != EFI_SUCCESS)
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{
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Print(L"Protocol is not supported - %r\n", Status);
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return Status;
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}
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CHAR16 FileName16[255] = {0};
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UnicodeSPrint(FileName16, sizeof(FileName16), L"%a", FileName);
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FilePath = FileDevicePath(SFS_Handles[Index], FileName16);
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Status = gBS->LoadImage(FALSE, ImageHandle, FilePath, (VOID *)NULL, 0,
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AppImageHandle);
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if (Status != EFI_SUCCESS)
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{
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Print(L"Could not load the image on Handle %d - %r\n", Index, Status);
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continue;
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}
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else
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{
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Print(L"Loaded the image with success on Handle %d\n", Index);
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// Print (L"Loaded the image with success\n");
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Status = gBS->OpenProtocol(*AppImageHandle, &gEfiLoadedImageProtocolGuid,
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(VOID **)ImageInfo, ImageHandle, (VOID *)NULL,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL);
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return Status;
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}
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}
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return Status;
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}
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EFI_STATUS LoadFV(EFI_HANDLE ImageHandle, CHAR8 *FileName, EFI_LOADED_IMAGE_PROTOCOL **ImageInfo, EFI_HANDLE *AppImageHandle, EFI_SECTION_TYPE Section_Type)
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{
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EFI_STATUS Status = EFI_SUCCESS;
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CHAR16 FileName16[255] = {0};
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UnicodeSPrint(FileName16, sizeof(FileName16), L"%a", FileName);
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UINT8 *Buffer = NULL;
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UINTN BufferSize = 0;
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Status = LocateAndLoadFvFromName(FileName16, Section_Type, &Buffer, &BufferSize);
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Status = gBS->LoadImage(FALSE, ImageHandle, (VOID *)NULL, Buffer, BufferSize,
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AppImageHandle);
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if (Buffer != NULL)
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FreePool(Buffer);
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if (Status != EFI_SUCCESS)
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{
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Print(L"Could not Locate the image from FV %r \n", Status);
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}
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else
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{
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Print(L"Loaded the image with success from FV\n");
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// Print (L"Loaded the image with success\n");
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Status = gBS->OpenProtocol(*AppImageHandle, &gEfiLoadedImageProtocolGuid,
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(VOID **)ImageInfo, ImageHandle, (VOID *)NULL,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL);
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}
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return Status;
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};
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EFI_STATUS Exec(EFI_HANDLE *AppImageHandle)
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{
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UINTN ExitDataSize;
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EFI_STATUS Status = gBS->StartImage(*AppImageHandle, &ExitDataSize, (CHAR16 **)NULL);
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Print(L"\tImage Retuned - %r %x\n", Status);
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return Status;
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}
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EFI_STATUS FindLoadedImageFromName(EFI_HANDLE ImageHandle, CHAR8 *FileName, EFI_LOADED_IMAGE_PROTOCOL **ImageInfo)
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{
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EFI_STATUS Status;
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UINTN HandleSize = 0;
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EFI_HANDLE *Handles;
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CHAR16 FileName16[255] = {0};
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UnicodeSPrint(FileName16, sizeof(FileName16), L"%a", FileName);
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Status = gBS->LocateHandle(ByProtocol, &gEfiLoadedImageProtocolGuid, NULL, &HandleSize, NULL);
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if (Status == EFI_BUFFER_TOO_SMALL)
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{
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Handles = AllocateZeroPool(HandleSize * sizeof(EFI_HANDLE));
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Status = gBS->LocateHandle(ByProtocol, &gEfiLoadedImageProtocolGuid, NULL, &HandleSize, Handles);
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Print(L"Retrived %d Handle, with %r\n\r", HandleSize, Status);
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}
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for (UINTN i = 0; i < HandleSize; i++)
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{
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Status = gBS->HandleProtocol(Handles[i], &gEfiLoadedImageProtocolGuid, ImageInfo);
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if (Status == EFI_SUCCESS)
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{
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CHAR16 *String = FindLoadedImageFileName(*ImageInfo);
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if (String != NULL)
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{
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if (StrCmp(FileName16, String) == 0)
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{
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Print(L"Found %s at Address 0x%X\n\r", String, (*ImageInfo)->ImageBase);
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return EFI_SUCCESS;
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}
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}
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}
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}
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return EFI_NOT_FOUND;
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}
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29
SmokelessRuntimeEFIPatcher/Opcode.h
Normal file
29
SmokelessRuntimeEFIPatcher/Opcode.h
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#pragma once
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#include <Uefi.h>
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#include <Guid/FileInfo.h>
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#include <Guid/FileSystemInfo.h>
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#include <Library/DebugLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/UefiApplicationEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Protocol/BlockIo.h>
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#include <Library/PrintLib.h>
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#include <Protocol/DevicePath.h>
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#include <Protocol/LoadedImage.h>
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#include <Protocol/SimpleFileSystem.h>
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#include <Protocol/FormBrowser2.h>
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#include <Protocol/FormBrowserEx.h>
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#include <Protocol/FormBrowserEx2.h>
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#include <Protocol/AcpiSystemDescriptionTable.h>
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#include <Protocol/DisplayProtocol.h>
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#include <Protocol/HiiPopup.h>
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#include <Library/MemoryAllocationLib.h>
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#include <PiDxe.h>
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#include <Protocol/FirmwareVolume2.h>
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#include <Library/BaseMemoryLib.h>
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EFI_STATUS LoadFS(EFI_HANDLE ImageHandle, CHAR8 *FileName,EFI_LOADED_IMAGE_PROTOCOL **ImageInfo, EFI_HANDLE *AppImageHandle);
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EFI_STATUS LoadFV(EFI_HANDLE ImageHandle, CHAR8 *FileName, EFI_LOADED_IMAGE_PROTOCOL **ImageInfo, EFI_HANDLE *AppImageHandle, EFI_SECTION_TYPE Section_Type);
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EFI_STATUS FindLoadedImageFromName(EFI_HANDLE ImageHandle, CHAR8 *FileName, EFI_LOADED_IMAGE_PROTOCOL **ImageInfo);
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EFI_STATUS Exec(EFI_HANDLE *AppImageHandle);
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430
SmokelessRuntimeEFIPatcher/SmokelessRuntimeEFIPatcher.c
Executable file
430
SmokelessRuntimeEFIPatcher/SmokelessRuntimeEFIPatcher.c
Executable file
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#include <Uefi.h>
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#include <Guid/FileInfo.h>
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#include <Guid/FileSystemInfo.h>
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#include <Library/DebugLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/UefiApplicationEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Protocol/BlockIo.h>
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#include <Library/PrintLib.h>
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#include <Protocol/DevicePath.h>
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#include <Protocol/LoadedImage.h>
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#include <Protocol/SimpleFileSystem.h>
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#include <Protocol/FormBrowser2.h>
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#include <Protocol/FormBrowserEx.h>
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#include <Protocol/FormBrowserEx2.h>
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#include <Protocol/AcpiSystemDescriptionTable.h>
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#include <Protocol/DisplayProtocol.h>
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#include <Protocol/HiiPopup.h>
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#include <Library/MemoryAllocationLib.h>
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#include "Utility.h"
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#include "Opcode.h"
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#define SREP_VERSION L"0.1"
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EFI_BOOT_SERVICES *_gBS = NULL;
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EFI_RUNTIME_SERVICES *_gRS = NULL;
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enum
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{
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OFFSET = 1,
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PATTERN,
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REL_NEG_OFFSET,
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REL_POS_OFFSET
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};
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enum OPCODE
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{
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NO_OP,
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LOADED,
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LOAD_FS,
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LOAD_FV,
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PATCH,
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EXEC
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};
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struct OP_DATA
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{
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enum OPCODE ID;
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CHAR8 *Name;
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BOOLEAN Name_Dyn_Alloc;
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UINT64 PatterType;
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BOOLEAN PatterType_Dyn_Alloc;
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INT64 ARG3;
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BOOLEAN ARG3_Dyn_Alloc;
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UINT64 ARG4;
|
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BOOLEAN ARG4_Dyn_Alloc;
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||||
UINT64 ARG5;
|
||||
BOOLEAN ARG5_Dyn_Alloc;
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||||
UINT64 ARG6;
|
||||
BOOLEAN ARG6_Dyn_Alloc;
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||||
UINT64 ARG7;
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||||
BOOLEAN ARG7_Dyn_Alloc;
|
||||
struct OP_DATA *next;
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||||
struct OP_DATA *prev;
|
||||
};
|
||||
|
||||
VOID Add_OP_CODE(struct OP_DATA *Start, struct OP_DATA *opCode)
|
||||
{
|
||||
struct OP_DATA *next = Start;
|
||||
while (next->next != NULL)
|
||||
{
|
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next = next->next;
|
||||
}
|
||||
next->next = opCode;
|
||||
opCode->prev = next;
|
||||
}
|
||||
|
||||
VOID PrintOPChain(struct OP_DATA *Start)
|
||||
{
|
||||
struct OP_DATA *next = Start;
|
||||
while (next != NULL)
|
||||
{
|
||||
Print(L"OPCODE : ");
|
||||
switch (next->ID)
|
||||
{
|
||||
case NO_OP:
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||||
Print(L"NOP\n\r");
|
||||
break;
|
||||
case LOADED:
|
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Print(L"LOADED\n\r");
|
||||
break;
|
||||
case LOAD_FS:
|
||||
Print(L"LOAD_FS\n\r");
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Print(L"\t FileName %a\n\r", next->Name);
|
||||
break;
|
||||
case LOAD_FV:
|
||||
Print(L"LOAD_FV\n\r");
|
||||
Print(L"\t FileName %a\n\r", next->Name);
|
||||
break;
|
||||
case PATCH:
|
||||
Print(L"PATCH\n\r");
|
||||
break;
|
||||
case EXEC:
|
||||
Print(L"EXEC\n\r");
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
next = next->next;
|
||||
}
|
||||
}
|
||||
|
||||
VOID PrintDump(UINT16 Size, UINT8 *DUMP)
|
||||
{
|
||||
for (UINT16 i = 0; i < Size; i++)
|
||||
{
|
||||
if (i % 0x10 == 0)
|
||||
{
|
||||
Print(L"\n\t");
|
||||
}
|
||||
Print(L"%02x ", DUMP[i]);
|
||||
}
|
||||
Print(L"\n\t");
|
||||
}
|
||||
|
||||
EFI_STATUS EFIAPI SREPEntry(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
EFI_HANDLE_PROTOCOL HandleProtocol;
|
||||
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
|
||||
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileSystem;
|
||||
EFI_FILE *Root;
|
||||
EFI_FILE *ConfigFile;
|
||||
CHAR16 FileName[255];
|
||||
|
||||
Print(L"Welcome to SREP (Smokeless Runtime EFI Patcher) %s\n\r", SREP_VERSION);
|
||||
|
||||
HandleProtocol = SystemTable->BootServices->HandleProtocol;
|
||||
HandleProtocol(ImageHandle, &gEfiLoadedImageProtocolGuid, (void **)&LoadedImage);
|
||||
HandleProtocol(LoadedImage->DeviceHandle, &gEfiSimpleFileSystemProtocolGuid, (void **)&FileSystem);
|
||||
FileSystem->OpenVolume(FileSystem, &Root);
|
||||
|
||||
UnicodeSPrint(FileName, sizeof(FileName), L"%a", "SREP_Config.cfg");
|
||||
Status = Root->Open(Root, &ConfigFile, FileName, EFI_FILE_MODE_READ, 0);
|
||||
if (Status != EFI_SUCCESS)
|
||||
{
|
||||
Print(L"Failed on Opening SREP_Config : %r\n\r", Status);
|
||||
return Status;
|
||||
}
|
||||
Print(L"Opened SREP_Config\n\r");
|
||||
EFI_GUID gFileInfo = EFI_FILE_INFO_ID;
|
||||
EFI_FILE_INFO *FileInfo = NULL;
|
||||
UINTN FileInfoSize = 0;
|
||||
Status = ConfigFile->GetInfo(ConfigFile, &gFileInfo, &FileInfoSize, &FileInfo);
|
||||
if (Status == EFI_BUFFER_TOO_SMALL)
|
||||
{
|
||||
FileInfo = AllocatePool(FileInfoSize);
|
||||
Status = ConfigFile->GetInfo(ConfigFile, &gFileInfo, &FileInfoSize, FileInfo);
|
||||
if (Status != EFI_SUCCESS)
|
||||
{
|
||||
Print(L"Failed Getting SREP_Config Info: %r\n\r", Status);
|
||||
return Status;
|
||||
}
|
||||
}
|
||||
UINTN ConfigDataSize = FileInfo->FileSize + 1; // Add Last null Terminalto
|
||||
Print(L"Config Size: 0x%x\n\r", ConfigDataSize);
|
||||
CHAR8 *ConfigData = AllocateZeroPool(ConfigDataSize);
|
||||
FreePool(FileInfo);
|
||||
|
||||
Status = ConfigFile->Read(ConfigFile, &ConfigDataSize, ConfigData);
|
||||
if (Status != EFI_SUCCESS)
|
||||
{
|
||||
Print(L"Failed on Reading SREP_Config : %r\n\r", Status);
|
||||
return Status;
|
||||
}
|
||||
Print(L"Parsing Config\n\r");
|
||||
ConfigFile->Close(ConfigFile);
|
||||
Print(L"Stripping NewLine, Carriage and tab Return\n\r");
|
||||
for (UINTN i = 0; i < ConfigDataSize; i++)
|
||||
{
|
||||
if (ConfigData[i] == '\n' || ConfigData[i] == '\r' || ConfigData[i] == '\t')
|
||||
{
|
||||
ConfigData[i] = '\0';
|
||||
}
|
||||
}
|
||||
UINTN curr_pos = 0;
|
||||
|
||||
struct OP_DATA *Start = AllocateZeroPool(sizeof(struct OP_DATA));
|
||||
struct OP_DATA *Prev_OP;
|
||||
Start->ID = NO_OP;
|
||||
Start->next = NULL;
|
||||
BOOLEAN NullByteSkipped = FALSE;
|
||||
while (curr_pos < ConfigDataSize)
|
||||
{
|
||||
|
||||
if (curr_pos != 0 && !NullByteSkipped)
|
||||
curr_pos += AsciiStrLen(&ConfigData[curr_pos]);
|
||||
if (ConfigData[curr_pos] == '\0')
|
||||
{
|
||||
curr_pos += 1;
|
||||
NullByteSkipped = TRUE;
|
||||
continue;
|
||||
}
|
||||
NullByteSkipped = FALSE;
|
||||
Print(L"Current Parsing %a\n\r", &ConfigData[curr_pos]);
|
||||
if (AsciiStrStr(&ConfigData[curr_pos], "End"))
|
||||
{
|
||||
Print(L"End OP Detected\n\r");
|
||||
continue;
|
||||
}
|
||||
if (AsciiStrStr(&ConfigData[curr_pos], "Op"))
|
||||
{
|
||||
Print(L"OP Detected\n\r");
|
||||
curr_pos += 3;
|
||||
Print(L"Commnand %a \n\r", &ConfigData[curr_pos]);
|
||||
if (AsciiStrStr(&ConfigData[curr_pos], "LoadFromFS"))
|
||||
{
|
||||
Prev_OP = AllocateZeroPool(sizeof(struct OP_DATA));
|
||||
Prev_OP->ID = LOAD_FS;
|
||||
Add_OP_CODE(Start, Prev_OP);
|
||||
continue;
|
||||
}
|
||||
if (AsciiStrStr(&ConfigData[curr_pos], "LoadFromFV"))
|
||||
{
|
||||
Prev_OP = AllocateZeroPool(sizeof(struct OP_DATA));
|
||||
Prev_OP->ID = LOAD_FV;
|
||||
Add_OP_CODE(Start, Prev_OP);
|
||||
continue;
|
||||
}
|
||||
if (AsciiStrStr(&ConfigData[curr_pos], "Loaded"))
|
||||
{
|
||||
Prev_OP = AllocateZeroPool(sizeof(struct OP_DATA));
|
||||
Prev_OP->ID = LOADED;
|
||||
Add_OP_CODE(Start, Prev_OP);
|
||||
continue;
|
||||
}
|
||||
if (AsciiStrStr(&ConfigData[curr_pos], "Patch"))
|
||||
{
|
||||
Prev_OP = AllocateZeroPool(sizeof(struct OP_DATA));
|
||||
Prev_OP->ID = PATCH;
|
||||
Add_OP_CODE(Start, Prev_OP);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (AsciiStrStr(&ConfigData[curr_pos], "Exec"))
|
||||
{
|
||||
Prev_OP = AllocateZeroPool(sizeof(struct OP_DATA));
|
||||
Prev_OP->ID = EXEC;
|
||||
Add_OP_CODE(Start, Prev_OP);
|
||||
continue;
|
||||
}
|
||||
Print(L"Commnand %a Invalid \n\r", &ConfigData[curr_pos]);
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
if ((Prev_OP->ID == LOAD_FS || Prev_OP->ID == LOAD_FV || Prev_OP->ID == LOADED) && Prev_OP->Name == 0)
|
||||
{
|
||||
Print(L"Found File %a \n\r", &ConfigData[curr_pos]);
|
||||
UINTN FileNameLength = AsciiStrLen(&ConfigData[curr_pos]) + 1;
|
||||
CHAR8 *FileName = AllocateZeroPool(FileNameLength);
|
||||
CopyMem(FileName, &ConfigData[curr_pos], FileNameLength);
|
||||
Prev_OP->Name = FileName;
|
||||
Prev_OP->Name_Dyn_Alloc = TRUE;
|
||||
continue;
|
||||
}
|
||||
if (Prev_OP->ID == PATCH && Prev_OP->PatterType == 0)
|
||||
{
|
||||
if (AsciiStrStr(&ConfigData[curr_pos], "Offset"))
|
||||
{
|
||||
Print(L"Found Offset\n\r");
|
||||
Prev_OP->PatterType = OFFSET;
|
||||
}
|
||||
if (AsciiStrStr(&ConfigData[curr_pos], "Pattern"))
|
||||
{
|
||||
Print(L"Found Pattern\n\r");
|
||||
Prev_OP->PatterType = PATTERN;
|
||||
}
|
||||
if (AsciiStrStr(&ConfigData[curr_pos], "RelNegOffset"))
|
||||
{
|
||||
Print(L"Found Offset\n\r");
|
||||
Prev_OP->PatterType = REL_NEG_OFFSET;
|
||||
}
|
||||
if (AsciiStrStr(&ConfigData[curr_pos], "RelPosOffset"))
|
||||
{
|
||||
Print(L"Found Offset\n\r");
|
||||
Prev_OP->PatterType = REL_POS_OFFSET;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
// this new itereration whe are just in from of the Pattern
|
||||
if (Prev_OP->ID == PATCH && Prev_OP->PatterType != 0 && Prev_OP->ARG3 == 0)
|
||||
{
|
||||
if (Prev_OP->PatterType == OFFSET || Prev_OP->PatterType == REL_NEG_OFFSET || Prev_OP->PatterType == REL_POS_OFFSET)
|
||||
{
|
||||
Print(L"Decode Offset\n\r");
|
||||
Prev_OP->ARG3 = AsciiStrHexToUint64(&ConfigData[curr_pos]);
|
||||
}
|
||||
if (Prev_OP->PatterType == PATTERN)
|
||||
{
|
||||
Prev_OP->ARG3 = 0xFFFFFFFF;
|
||||
Prev_OP->ARG6 = AsciiStrLen(&ConfigData[curr_pos]) / 2;
|
||||
Print(L"Found %d Bytes\n\r", Prev_OP->ARG6);
|
||||
Prev_OP->ARG7 = AllocateZeroPool(Prev_OP->ARG6);
|
||||
AsciiStrHexToBytes(&ConfigData[curr_pos], Prev_OP->ARG6 * 2, Prev_OP->ARG7, Prev_OP->ARG6);
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
if (Prev_OP->ID == PATCH && Prev_OP->PatterType != 0 && Prev_OP->ARG3 != 0)
|
||||
{
|
||||
|
||||
Prev_OP->ARG4 = AsciiStrLen(&ConfigData[curr_pos]) / 2;
|
||||
Print(L"Found %d Bytes\n\r", Prev_OP->ARG4);
|
||||
Prev_OP->ARG5_Dyn_Alloc = TRUE;
|
||||
Prev_OP->ARG5 = AllocateZeroPool(Prev_OP->ARG4);
|
||||
AsciiStrHexToBytes(&ConfigData[curr_pos], Prev_OP->ARG4 * 2, Prev_OP->ARG5, Prev_OP->ARG4);
|
||||
Print(L"Patch Byte\n\r");
|
||||
PrintDump(Prev_OP->ARG4, Prev_OP->ARG5);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
FreePool(ConfigData);
|
||||
// PrintOPChain(Start);
|
||||
// dispatch
|
||||
struct OP_DATA *next;
|
||||
EFI_HANDLE AppImageHandle;
|
||||
EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;
|
||||
INT64 BaseOffset;
|
||||
for (next = Start; next != NULL; next = next->next)
|
||||
{
|
||||
switch (next->ID)
|
||||
{
|
||||
case NO_OP:
|
||||
// Print(L"NOP\n\r");
|
||||
break;
|
||||
case LOADED:
|
||||
Print(L"LOADED\n\r");
|
||||
Status = FindLoadedImageFromName(ImageHandle, next->Name, &ImageInfo);
|
||||
Print(L"Loaded Image %r -> %x\n\r", Status, ImageInfo->ImageBase);
|
||||
break;
|
||||
case LOAD_FS:
|
||||
Status = LoadFS(ImageHandle, next->Name, &ImageInfo, &AppImageHandle);
|
||||
Print(L"Loaded Image %r -> %x\n\r", Status, ImageInfo->ImageBase);
|
||||
// Print(L"\t FileName %a\n\r", next->ARG2);
|
||||
break;
|
||||
case LOAD_FV:
|
||||
Status = LoadFV(ImageHandle, next->Name, &ImageInfo, &AppImageHandle, EFI_SECTION_PE32);
|
||||
Print(L"Loaded Image %r -> %x\n\r", Status, ImageInfo->ImageBase);
|
||||
break;
|
||||
case PATCH:
|
||||
Print(L"Patching Image Size %x: \n\r", ImageInfo->ImageSize);
|
||||
PrintDump(next->ARG6, next->ARG7);
|
||||
|
||||
PrintDump(next->ARG6, ((UINT8 *)ImageInfo->ImageBase) + 0x1A383);
|
||||
// PrintDump(0x200, (UINT8 *)(LoadedImage->ImageBase));
|
||||
if (next->PatterType == PATTERN)
|
||||
{
|
||||
|
||||
Print(L"Finding Offset\n\r");
|
||||
for (UINTN i = 0; i < ImageInfo->ImageSize - next->ARG6; i += 1)
|
||||
{
|
||||
if (CompareMem(((UINT8 *)ImageInfo->ImageBase) + i, next->ARG7, next->ARG6) == 0)
|
||||
{
|
||||
next->ARG3 = i;
|
||||
Print(L"Found at %x\n\r", i);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (next->ARG3 == 0xFFFFFFFF)
|
||||
{
|
||||
Print(L"No Patter Found\n\r");
|
||||
goto cleanup;
|
||||
}
|
||||
}
|
||||
if (next->PatterType == REL_POS_OFFSET)
|
||||
{
|
||||
next->ARG3 = BaseOffset + next->ARG3;
|
||||
}
|
||||
if (next->PatterType == REL_NEG_OFFSET)
|
||||
{
|
||||
next->ARG3 = BaseOffset - next->ARG3;
|
||||
}
|
||||
BaseOffset = next->ARG3;
|
||||
Print(L"Offset %x\n\r", next->ARG3);
|
||||
// PrintDump(next->ARG4+10,ImageInfo->ImageBase + next->ARG3 -5 );
|
||||
CopyMem(ImageInfo->ImageBase + next->ARG3, next->ARG5, next->ARG4);
|
||||
Print(L"Patched\n\r");
|
||||
// PrintDump(next->ARG4+10,ImageInfo->ImageBase + next->ARG3 -5 );
|
||||
break;
|
||||
case EXEC:
|
||||
Exec(&AppImageHandle);
|
||||
Print(L"EXEC %r\n\r", Status);
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
cleanup:
|
||||
for (next = Start; next != NULL; next = next->next)
|
||||
{
|
||||
if (next->Name_Dyn_Alloc)
|
||||
FreePool((VOID *)next->Name);
|
||||
if (next->PatterType_Dyn_Alloc)
|
||||
FreePool((VOID *)next->PatterType);
|
||||
if (next->ARG3_Dyn_Alloc)
|
||||
FreePool((VOID *)next->ARG3);
|
||||
if (next->ARG4_Dyn_Alloc)
|
||||
FreePool((VOID *)next->ARG4);
|
||||
if (next->ARG5_Dyn_Alloc)
|
||||
FreePool((VOID *)next->ARG5);
|
||||
if (next->ARG6_Dyn_Alloc)
|
||||
FreePool((VOID *)next->ARG6);
|
||||
if (next->ARG7_Dyn_Alloc)
|
||||
FreePool((VOID *)next->ARG7);
|
||||
}
|
||||
next = Start;
|
||||
while (next->next != NULL)
|
||||
{
|
||||
struct OP_DATA *tmp = next;
|
||||
next = next->next;
|
||||
FreePool(tmp);
|
||||
}
|
||||
return EFI_SUCCESS;
|
||||
// FindBaseAddressFromName(L"H2OFormBrowserDxe");
|
||||
// UINT8 *Buffer = NULL;
|
||||
// UINTN BufferSize = 0;
|
||||
// LocateAndLoadFvFromName(L"SetupUtilityApp", EFI_SECTION_PE32, &Buffer, &BufferSize);
|
||||
}
|
47
SmokelessRuntimeEFIPatcher/SmokelessRuntimeEFIPatcher.inf
Executable file
47
SmokelessRuntimeEFIPatcher/SmokelessRuntimeEFIPatcher.inf
Executable file
|
@ -0,0 +1,47 @@
|
|||
[Defines]
|
||||
INF_VERSION = 0x00010006
|
||||
BASE_NAME = SmokelessRuntimeEFIPatcher
|
||||
FILE_GUID = 24ba59e6-8d34-4fe4-83a0-da8e478ecbfe
|
||||
MODULE_TYPE = UEFI_APPLICATION
|
||||
VERSION_STRING = 0.1
|
||||
ENTRY_POINT = SREPEntry
|
||||
|
||||
|
||||
UEFI_HII_RESOURCE_SECTION = TRUE
|
||||
[Sources]
|
||||
SmokelessRuntimeEFIPatcher.c
|
||||
Utility.c
|
||||
OpCode.c
|
||||
[Packages]
|
||||
MdePkg/MdePkg.dec
|
||||
MdeModulePkg/MdeModulePkg.dec
|
||||
CryptoPkg/CryptoPkg.dec
|
||||
[LibraryClasses]
|
||||
UefiApplicationEntryPoint
|
||||
UefiLib
|
||||
BaseLib
|
||||
HiiLib
|
||||
MemoryAllocationLib
|
||||
BaseMemoryLib
|
||||
DebugLib
|
||||
BaseCryptLib
|
||||
PrintLib
|
||||
UefiLib
|
||||
DevicePathLib
|
||||
|
||||
[Protocols]
|
||||
gEfiLoadedImageProtocolGuid ## CONSUMES
|
||||
gEfiSimpleFileSystemProtocolGuid ## CONSUMES
|
||||
gEfiLoadFileProtocolGuid ## CONSUMES
|
||||
gEfiHiiConfigAccessProtocolGuid ## CONSUMES
|
||||
gEfiSerialIoProtocolGuid ## CONSUMES
|
||||
gEfiDevicePathToTextProtocolGuid ## CONSUMES
|
||||
gEfiFirmwareVolume2ProtocolGuid
|
||||
gEdkiiFormBrowserEx2ProtocolGuid
|
||||
gEdkiiFormBrowserExProtocolGuid
|
||||
gEfiHiiPopupProtocolGuid
|
||||
gEdkiiFormDisplayEngineProtocolGuid
|
||||
[Guids]
|
||||
gEfiAcpiTableGuid
|
||||
gEfiAcpi20TableGuid
|
||||
gEfiDxeServicesTableGuid
|
231
SmokelessRuntimeEFIPatcher/Utility.c
Normal file
231
SmokelessRuntimeEFIPatcher/Utility.c
Normal file
|
@ -0,0 +1,231 @@
|
|||
#include "Utility.h"
|
||||
CHAR16 *
|
||||
FindLoadedImageFileName(
|
||||
IN EFI_LOADED_IMAGE_PROTOCOL *LoadedImage)
|
||||
{
|
||||
EFI_GUID *NameGuid;
|
||||
EFI_STATUS Status;
|
||||
EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
|
||||
VOID *Buffer;
|
||||
UINTN BufferSize;
|
||||
UINT32 AuthenticationStatus;
|
||||
|
||||
if ((LoadedImage == NULL) || (LoadedImage->FilePath == NULL))
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
NameGuid = EfiGetNameGuidFromFwVolDevicePathNode((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)LoadedImage->FilePath);
|
||||
|
||||
if (NameGuid == NULL)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
//
|
||||
// Get the FirmwareVolume2Protocol of the device handle that this image was loaded from.
|
||||
//
|
||||
Status = gBS->HandleProtocol(LoadedImage->DeviceHandle, &gEfiFirmwareVolume2ProtocolGuid, (VOID **)&Fv);
|
||||
|
||||
//
|
||||
// FirmwareVolume2Protocol is PI, and is not required to be available.
|
||||
//
|
||||
if (EFI_ERROR(Status))
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
//
|
||||
// Read the user interface section of the image.
|
||||
//
|
||||
Buffer = NULL;
|
||||
Status = Fv->ReadSection(Fv, NameGuid, EFI_SECTION_USER_INTERFACE, 0, &Buffer, &BufferSize, &AuthenticationStatus);
|
||||
|
||||
if (EFI_ERROR(Status))
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
//
|
||||
// ReadSection returns just the section data, without any section header. For
|
||||
// a user interface section, the only data is the file name.
|
||||
//
|
||||
return Buffer;
|
||||
}
|
||||
|
||||
UINT8 *FindBaseAddressFromName(CHAR16 **Name)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
UINTN HandleSize = 0;
|
||||
EFI_HANDLE *Handles;
|
||||
|
||||
Status = gBS->LocateHandle(ByProtocol, &gEfiLoadedImageProtocolGuid, NULL, &HandleSize, NULL);
|
||||
if (Status == EFI_BUFFER_TOO_SMALL)
|
||||
{
|
||||
Handles = AllocateZeroPool(HandleSize * sizeof(EFI_HANDLE));
|
||||
Status = gBS->LocateHandle(ByProtocol, &gEfiLoadedImageProtocolGuid, NULL, &HandleSize, Handles);
|
||||
Print(L"Retrived %d Handle, with %r\n\r", HandleSize, Status);
|
||||
}
|
||||
|
||||
EFI_LOADED_IMAGE_PROTOCOL *LoadedImageProtocol;
|
||||
for (UINTN i = 0; i < HandleSize; i++)
|
||||
{
|
||||
Status = gBS->HandleProtocol(Handles[i], &gEfiLoadedImageProtocolGuid, &LoadedImageProtocol);
|
||||
if (Status == EFI_SUCCESS)
|
||||
{
|
||||
CHAR16 *String = FindLoadedImageFileName(LoadedImageProtocol);
|
||||
if (String != NULL)
|
||||
{
|
||||
if (StrCmp(Name, String) == 0)
|
||||
{
|
||||
Print(L"Found %s at Address 0x%X\n\r", String, LoadedImageProtocol->ImageBase);
|
||||
return LoadedImageProtocol->ImageBase;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
EFI_STATUS LoadandRunImage(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable, CHAR16 *FileName, EFI_HANDLE *AppImageHandle)
|
||||
{
|
||||
UINTN ExitDataSize;
|
||||
UINTN NumHandles;
|
||||
UINTN Index;
|
||||
EFI_HANDLE *SFS_Handles;
|
||||
EFI_STATUS Status = EFI_SUCCESS;
|
||||
EFI_BLOCK_IO_PROTOCOL *BlkIo;
|
||||
EFI_DEVICE_PATH_PROTOCOL *FilePath;
|
||||
|
||||
Status =
|
||||
gBS->LocateHandleBuffer(ByProtocol, &gEfiSimpleFileSystemProtocolGuid,
|
||||
NULL, &NumHandles, &SFS_Handles);
|
||||
|
||||
if (Status != EFI_SUCCESS)
|
||||
{
|
||||
Print(L"Could not find handles - %r\n", Status);
|
||||
return Status;
|
||||
}
|
||||
Print(L"No of Handle - %d\n", NumHandles);
|
||||
|
||||
for (Index = 0; Index < NumHandles; Index++)
|
||||
{
|
||||
Status = gBS->OpenProtocol(
|
||||
SFS_Handles[Index], &gEfiSimpleFileSystemProtocolGuid, (VOID **)&BlkIo,
|
||||
ImageHandle, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
|
||||
|
||||
if (Status != EFI_SUCCESS)
|
||||
{
|
||||
Print(L"Protocol is not supported - %r\n", Status);
|
||||
return Status;
|
||||
}
|
||||
|
||||
FilePath = FileDevicePath(SFS_Handles[Index], FileName);
|
||||
Status = gBS->LoadImage(FALSE, ImageHandle, FilePath, (VOID *)NULL, 0,
|
||||
AppImageHandle);
|
||||
|
||||
if (Status != EFI_SUCCESS)
|
||||
{
|
||||
Print(L"Could not load the image on Handle %d - %r\n", Index, Status);
|
||||
continue;
|
||||
}
|
||||
else
|
||||
{
|
||||
Print(L"Loaded the image with success on Handle %d\n", Index);
|
||||
}
|
||||
|
||||
Status = gBS->StartImage(*AppImageHandle, &ExitDataSize, (CHAR16 **)NULL);
|
||||
Print(L"\tImage Retuned - %r %x\n", Status, Status);
|
||||
if (Status != EFI_SUCCESS)
|
||||
{
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
// TODO add in the dumping SectionInstance
|
||||
EFI_STATUS
|
||||
LocateAndLoadFvFromName(CHAR16 *Name, EFI_SECTION_TYPE Section_Type, UINT8 **Buffer, UINTN *BufferSize)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
EFI_HANDLE *HandleBuffer;
|
||||
UINTN NumberOfHandles;
|
||||
UINT32 FvStatus;
|
||||
EFI_FV_FILE_ATTRIBUTES Attributes;
|
||||
UINTN Size;
|
||||
UINTN Index;
|
||||
EFI_FIRMWARE_VOLUME2_PROTOCOL *FvInstance;
|
||||
|
||||
FvStatus = 0;
|
||||
|
||||
//
|
||||
// Locate protocol.
|
||||
//
|
||||
Status = gBS->LocateHandleBuffer(
|
||||
ByProtocol,
|
||||
&gEfiFirmwareVolume2ProtocolGuid,
|
||||
NULL,
|
||||
&NumberOfHandles,
|
||||
&HandleBuffer);
|
||||
if (EFI_ERROR(Status))
|
||||
{
|
||||
//
|
||||
// Defined errors at this time are not found and out of resources.
|
||||
//
|
||||
return Status;
|
||||
}
|
||||
|
||||
//
|
||||
// Looking for FV with ACPI storage file
|
||||
//
|
||||
Print(L"Found %d Instances\n\r", NumberOfHandles);
|
||||
for (Index = 0; Index < NumberOfHandles; Index++)
|
||||
{
|
||||
|
||||
//
|
||||
// Get the protocol on this handle
|
||||
// This should not fail because of LocateHandleBuffer
|
||||
|
||||
Status = gBS->HandleProtocol(
|
||||
HandleBuffer[Index],
|
||||
&gEfiFirmwareVolume2ProtocolGuid,
|
||||
(VOID **)&FvInstance);
|
||||
ASSERT_EFI_ERROR(Status);
|
||||
|
||||
EFI_FV_FILETYPE FileType = EFI_FV_FILETYPE_ALL;
|
||||
EFI_FV_FILE_ATTRIBUTES FileAttributes;
|
||||
UINTN FileSize;
|
||||
EFI_GUID NameGuid = {0};
|
||||
VOID *Keys = AllocateZeroPool(FvInstance->KeySize);
|
||||
while (TRUE)
|
||||
{
|
||||
FileType = EFI_FV_FILETYPE_ALL;
|
||||
ZeroMem(&NameGuid, sizeof(EFI_GUID));
|
||||
Status = FvInstance->GetNextFile(FvInstance, Keys, &FileType, &NameGuid, &FileAttributes, &FileSize);
|
||||
if (Status != EFI_SUCCESS)
|
||||
{
|
||||
// Print(L"Breaking Cause %r\n\r", Status);
|
||||
break;
|
||||
}
|
||||
VOID *String;
|
||||
UINTN StringSize = 0;
|
||||
UINT32 AuthenticationStatus;
|
||||
String = NULL;
|
||||
Status = FvInstance->ReadSection(FvInstance, &NameGuid, EFI_SECTION_USER_INTERFACE, 0, &String, &StringSize, &AuthenticationStatus);
|
||||
if (StrCmp(Name, String) == 0)
|
||||
{
|
||||
|
||||
Print(L"Guid :%g, FileSize %d, Name : %s, Type %d \n\r", NameGuid, FileSize, String, FileType);
|
||||
|
||||
Status = FvInstance->ReadSection(FvInstance, &NameGuid, Section_Type, 0, Buffer, BufferSize, &AuthenticationStatus);
|
||||
Print(L"Result Cause %r\n\r", Status);
|
||||
FreePool(String);
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
FreePool(String);
|
||||
}
|
||||
}
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
37
SmokelessRuntimeEFIPatcher/Utility.h
Normal file
37
SmokelessRuntimeEFIPatcher/Utility.h
Normal file
|
@ -0,0 +1,37 @@
|
|||
#pragma once
|
||||
#include <Uefi.h>
|
||||
#include <Guid/FileInfo.h>
|
||||
#include <Guid/FileSystemInfo.h>
|
||||
#include <Library/DebugLib.h>
|
||||
#include <Library/DevicePathLib.h>
|
||||
#include <Library/UefiApplicationEntryPoint.h>
|
||||
#include <Library/UefiBootServicesTableLib.h>
|
||||
#include <Library/UefiLib.h>
|
||||
#include <Protocol/BlockIo.h>
|
||||
#include <Library/PrintLib.h>
|
||||
#include <Protocol/DevicePath.h>
|
||||
#include <Protocol/LoadedImage.h>
|
||||
#include <Protocol/SimpleFileSystem.h>
|
||||
#include <Protocol/FormBrowser2.h>
|
||||
#include <Protocol/FormBrowserEx.h>
|
||||
#include <Protocol/FormBrowserEx2.h>
|
||||
#include <Protocol/AcpiSystemDescriptionTable.h>
|
||||
#include <Protocol/DisplayProtocol.h>
|
||||
#include <Protocol/HiiPopup.h>
|
||||
#include <Library/MemoryAllocationLib.h>
|
||||
#include <PiDxe.h>
|
||||
#include <Protocol/FirmwareVolume2.h>
|
||||
#include <Library/BaseMemoryLib.h>
|
||||
|
||||
CHAR16 *
|
||||
FindLoadedImageFileName(
|
||||
IN EFI_LOADED_IMAGE_PROTOCOL *LoadedImage);
|
||||
|
||||
EFI_STATUS LoadandRunImage(EFI_HANDLE ImageHandle,
|
||||
EFI_SYSTEM_TABLE *SystemTable,
|
||||
CHAR16 *FileName,
|
||||
EFI_HANDLE *AppImageHandle);
|
||||
|
||||
UINT8 * FindBaseAddressFromName(CHAR16 **Name);
|
||||
|
||||
EFI_STATUS LocateAndLoadFvFromName(CHAR16 *Name, EFI_SECTION_TYPE Section_Type,UINT8 **Buffer,UINTN *BufferSize);
|
Loading…
Reference in a new issue