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Added Log to File and Disabled WatchdogTimer

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SmokelessCPU 2022-09-11 10:04:28 +02:00
parent 6b5017d665
commit 1275c300c2
1 changed files with 122 additions and 52 deletions
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174
SmokelessRuntimeEFIPatcher/SmokelessRuntimeEFIPatcher.c
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@ -20,11 +20,12 @@
#include <Library/MemoryAllocationLib.h>
#include "Utility.h"
#include "Opcode.h"
#define SREP_VERSION L"0.1"
#define SREP_VERSION L"0.1.4"
EFI_BOOT_SERVICES *_gBS = NULL;
EFI_RUNTIME_SERVICES *_gRS = NULL;
EFI_FILE *LogFile;
char Log[512];
enum
{
OFFSET = 1,
@ -64,6 +65,14 @@ struct OP_DATA
struct OP_DATA *prev;
};
void LogToFile( EFI_FILE *LogFile, char *String)
{
UINTN Size = AsciiStrLen(String);
LogFile->Write(LogFile,&Size,String);
}
VOID Add_OP_CODE(struct OP_DATA *Start, struct OP_DATA *opCode)
{
struct OP_DATA *next = Start;
@ -80,28 +89,37 @@ VOID PrintOPChain(struct OP_DATA *Start)
struct OP_DATA *next = Start;
while (next != NULL)
{
Print(L"OPCODE : ");
AsciiSPrint(Log,512,"%s","OPCODE : ");
LogToFile(LogFile,Log);
switch (next->ID)
{
case NO_OP:
Print(L"NOP\n\r");
AsciiSPrint(Log,512,"%s","NOP\n\r");
LogToFile(LogFile,Log);
break;
case LOADED:
Print(L"LOADED\n\r");
AsciiSPrint(Log,512,"%s","LOADED\n\r");
LogToFile(LogFile,Log);
break;
case LOAD_FS:
Print(L"LOAD_FS\n\r");
Print(L"\t FileName %a\n\r", next->Name);
AsciiSPrint(Log,512,"%s","LOAD_FS\n\r");
LogToFile(LogFile,Log);
AsciiSPrint(Log,512,"%s","\t FileName %a\n\r", next->Name);
LogToFile(LogFile,Log);
break;
case LOAD_FV:
Print(L"LOAD_FV\n\r");
Print(L"\t FileName %a\n\r", next->Name);
AsciiSPrint(Log,512,"%s","LOAD_FV\n\r");
LogToFile(LogFile,Log);
AsciiSPrint(Log,512,"%s","\t FileName %a\n\r", next->Name);
LogToFile(LogFile,Log);
break;
case PATCH:
Print(L"PATCH\n\r");
AsciiSPrint(Log,512,"%s","PATCH\n\r");
LogToFile(LogFile,Log);
break;
case EXEC:
Print(L"EXEC\n\r");
AsciiSPrint(Log,512,"%s","EXEC\n\r");
LogToFile(LogFile,Log);
break;
default:
@ -117,13 +135,18 @@ VOID PrintDump(UINT16 Size, UINT8 *DUMP)
{
if (i % 0x10 == 0)
{
Print(L"\n\t");
AsciiSPrint(Log,512,"%s","\n\t");
LogToFile(LogFile,Log);
}
Print(L"%02x ", DUMP[i]);
AsciiSPrint(Log,512,"%02x ", DUMP[i]);
LogToFile(LogFile,Log);
}
Print(L"\n\t");
AsciiSPrint(Log,512,"%s","\n\t");
LogToFile(LogFile,Log);
}
EFI_STATUS EFIAPI SREPEntry(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
{
EFI_STATUS Status;
@ -133,22 +156,33 @@ EFI_STATUS EFIAPI SREPEntry(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *Syst
EFI_FILE *Root;
EFI_FILE *ConfigFile;
CHAR16 FileName[255];
Print(L"Welcome to SREP (Smokeless Runtime EFI Patcher) %s\n\r", SREP_VERSION);
CHAR16 LogFileName[] = L"SREP.log";
Print(L"Welcome to SREP (Smokeless Runtime EFI Patcher) %s\n\r", SREP_VERSION);
gBS->SetWatchdogTimer(0, 0, 0, 0);
HandleProtocol = SystemTable->BootServices->HandleProtocol;
HandleProtocol(ImageHandle, &gEfiLoadedImageProtocolGuid, (void **)&LoadedImage);
HandleProtocol(LoadedImage->DeviceHandle, &gEfiSimpleFileSystemProtocolGuid, (void **)&FileSystem);
FileSystem->OpenVolume(FileSystem, &Root);
Status = Root->Open(Root, &LogFile, LogFileName, EFI_FILE_MODE_WRITE, 0);
if (Status != EFI_SUCCESS)
{
Print(L"Failed on Opening Log File : %r\n\r", Status);
return Status;
}
AsciiSPrint(Log,512,"Welcome to SREP (Smokeless Runtime EFI Patcher) %s\n\r", SREP_VERSION);
LogToFile(LogFile,Log);
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);
AsciiSPrint(Log,512,"Failed on Opening SREP_Config : %r\n\r", Status);
LogToFile(LogFile,Log);
return Status;
}
Print(L"Opened SREP_Config\n\r");
AsciiSPrint(Log,512,"%s","Opened SREP_Config\n\r");
LogToFile(LogFile,Log);
EFI_GUID gFileInfo = EFI_FILE_INFO_ID;
EFI_FILE_INFO *FileInfo = NULL;
UINTN FileInfoSize = 0;
@ -159,24 +193,29 @@ EFI_STATUS EFIAPI SREPEntry(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *Syst
Status = ConfigFile->GetInfo(ConfigFile, &gFileInfo, &FileInfoSize, FileInfo);
if (Status != EFI_SUCCESS)
{
Print(L"Failed Getting SREP_Config Info: %r\n\r", Status);
AsciiSPrint(Log,512,"Failed Getting SREP_Config Info: %r\n\r", Status);
LogToFile(LogFile,Log);
return Status;
}
}
UINTN ConfigDataSize = FileInfo->FileSize + 1; // Add Last null Terminalto
Print(L"Config Size: 0x%x\n\r", ConfigDataSize);
AsciiSPrint(Log,512,"Config Size: 0x%x\n\r", ConfigDataSize);
LogToFile(LogFile,Log);
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);
AsciiSPrint(Log,512,"Failed on Reading SREP_Config : %r\n\r", Status);
LogToFile(LogFile,Log);
return Status;
}
Print(L"Parsing Config\n\r");
AsciiSPrint(Log,512,"%s","Parsing Config\n\r");
LogToFile(LogFile,Log);
ConfigFile->Close(ConfigFile);
Print(L"Stripping NewLine, Carriage and tab Return\n\r");
AsciiSPrint(Log,512,"%s","Stripping NewLine, Carriage and tab Return\n\r");
LogToFile(LogFile,Log);
for (UINTN i = 0; i < ConfigDataSize; i++)
{
if (ConfigData[i] == '\n' || ConfigData[i] == '\r' || ConfigData[i] == '\t')
@ -203,17 +242,21 @@ EFI_STATUS EFIAPI SREPEntry(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *Syst
continue;
}
NullByteSkipped = FALSE;
Print(L"Current Parsing %a\n\r", &ConfigData[curr_pos]);
AsciiSPrint(Log,512,"Current Parsing %a\n\r", &ConfigData[curr_pos]);
LogToFile(LogFile,Log);
if (AsciiStrStr(&ConfigData[curr_pos], "End"))
{
Print(L"End OP Detected\n\r");
AsciiSPrint(Log,512,"%s","End OP Detected\n\r");
LogToFile(LogFile,Log);
continue;
}
if (AsciiStrStr(&ConfigData[curr_pos], "Op"))
{
Print(L"OP Detected\n\r");
AsciiSPrint(Log,512,"%s","OP Detected\n\r");
LogToFile(LogFile,Log);
curr_pos += 3;
Print(L"Commnand %a \n\r", &ConfigData[curr_pos]);
AsciiSPrint(Log,512,"Commnand %a \n\r", &ConfigData[curr_pos]);
LogToFile(LogFile,Log);
if (AsciiStrStr(&ConfigData[curr_pos], "LoadFromFS"))
{
Prev_OP = AllocateZeroPool(sizeof(struct OP_DATA));
@ -250,12 +293,14 @@ EFI_STATUS EFIAPI SREPEntry(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *Syst
Add_OP_CODE(Start, Prev_OP);
continue;
}
Print(L"Commnand %a Invalid \n\r", &ConfigData[curr_pos]);
AsciiSPrint(Log,512,"Commnand %a Invalid \n\r", &ConfigData[curr_pos]);
LogToFile(LogFile,Log);
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]);
AsciiSPrint(Log,512,"Found File %a \n\r", &ConfigData[curr_pos]);
LogToFile(LogFile,Log);
UINTN FileNameLength = AsciiStrLen(&ConfigData[curr_pos]) + 1;
CHAR8 *FileName = AllocateZeroPool(FileNameLength);
CopyMem(FileName, &ConfigData[curr_pos], FileNameLength);
@ -267,22 +312,26 @@ EFI_STATUS EFIAPI SREPEntry(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *Syst
{
if (AsciiStrStr(&ConfigData[curr_pos], "Offset"))
{
Print(L"Found Offset\n\r");
AsciiSPrint(Log,512,"%s","Found Offset\n\r");
LogToFile(LogFile,Log);
Prev_OP->PatterType = OFFSET;
}
if (AsciiStrStr(&ConfigData[curr_pos], "Pattern"))
{
Print(L"Found Pattern\n\r");
AsciiSPrint(Log,512,"%s","Found Pattern\n\r");
LogToFile(LogFile,Log);
Prev_OP->PatterType = PATTERN;
}
if (AsciiStrStr(&ConfigData[curr_pos], "RelNegOffset"))
{
Print(L"Found Offset\n\r");
AsciiSPrint(Log,512,"%s","Found Offset\n\r");
LogToFile(LogFile,Log);
Prev_OP->PatterType = REL_NEG_OFFSET;
}
if (AsciiStrStr(&ConfigData[curr_pos], "RelPosOffset"))
{
Print(L"Found Offset\n\r");
AsciiSPrint(Log,512,"%s","Found Offset\n\r");
LogToFile(LogFile,Log);
Prev_OP->PatterType = REL_POS_OFFSET;
}
continue;
@ -293,14 +342,16 @@ EFI_STATUS EFIAPI SREPEntry(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *Syst
{
if (Prev_OP->PatterType == OFFSET || Prev_OP->PatterType == REL_NEG_OFFSET || Prev_OP->PatterType == REL_POS_OFFSET)
{
Print(L"Decode Offset\n\r");
AsciiSPrint(Log,512,"%s","Decode Offset\n\r");
LogToFile(LogFile,Log);
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);
AsciiSPrint(Log,512,"Found %d Bytes\n\r", Prev_OP->ARG6);
LogToFile(LogFile,Log);
Prev_OP->ARG7 = (UINT64)AllocateZeroPool(Prev_OP->ARG6);
AsciiStrHexToBytes(&ConfigData[curr_pos], Prev_OP->ARG6 * 2, (UINT8 *)Prev_OP->ARG7, Prev_OP->ARG6);
}
@ -311,11 +362,13 @@ EFI_STATUS EFIAPI SREPEntry(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *Syst
{
Prev_OP->ARG4 = AsciiStrLen(&ConfigData[curr_pos]) / 2;
Print(L"Found %d Bytes\n\r", Prev_OP->ARG4);
AsciiSPrint(Log,512,"Found %d Bytes\n\r", Prev_OP->ARG4);
LogToFile(LogFile,Log);
Prev_OP->ARG5_Dyn_Alloc = TRUE;
Prev_OP->ARG5 = (UINT64)AllocateZeroPool(Prev_OP->ARG4);
AsciiStrHexToBytes(&ConfigData[curr_pos], Prev_OP->ARG4 * 2, (UINT8 *)Prev_OP->ARG5, Prev_OP->ARG4);
Print(L"Patch Byte\n\r");
AsciiSPrint(Log,512,"%s","Patch Byte\n\r");
LogToFile(LogFile,Log);
PrintDump(Prev_OP->ARG4, (UINT8 *)Prev_OP->ARG5);
continue;
}
@ -332,24 +385,35 @@ EFI_STATUS EFIAPI SREPEntry(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *Syst
switch (next->ID)
{
case NO_OP:
// Print(L"NOP\n\r");
// AsciiSPrint(Log,512,"NOP\n\r");
break;
case LOADED:
Print(L"LOADED\n\r");
AsciiSPrint(Log,512,"%s","Executing Loaded OP\n\r");
LogToFile(LogFile,Log);
Status = FindLoadedImageFromName(ImageHandle, next->Name, &ImageInfo);
Print(L"Loaded Image %r -> %x\n\r", Status, ImageInfo->ImageBase);
AsciiSPrint(Log,512,"Loaded Image %r -> %x\n\r", Status, ImageInfo->ImageBase);
LogToFile(LogFile,Log);
break;
case LOAD_FS:
AsciiSPrint(Log,512,"%s","Executing Load from FS\n\r");
LogToFile(LogFile,Log);
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);
AsciiSPrint(Log,512,"Loaded Image %r -> %x\n\r", Status, ImageInfo->ImageBase);
LogToFile(LogFile,Log);
// AsciiSPrint(Log,512,"\t FileName %a\n\r", next->ARG2);
break;
case LOAD_FV:
AsciiSPrint(Log,512,"%s","Executing Load from FV\n\r");
LogToFile(LogFile,Log);
Status = LoadFV(ImageHandle, next->Name, &ImageInfo, &AppImageHandle, EFI_SECTION_PE32);
Print(L"Loaded Image %r -> %x\n\r", Status, ImageInfo->ImageBase);
AsciiSPrint(Log,512,"Loaded Image %r -> %x\n\r", Status, ImageInfo->ImageBase);
LogToFile(LogFile,Log);
break;
case PATCH:
Print(L"Patching Image Size %x: \n\r", ImageInfo->ImageSize);
AsciiSPrint(Log,512,"%s","Executing Patch\n\r");
LogToFile(LogFile,Log);
AsciiSPrint(Log,512,"Patching Image Size %x: \n\r", ImageInfo->ImageSize);
LogToFile(LogFile,Log);
PrintDump(next->ARG6, (UINT8 *)next->ARG7);
PrintDump(next->ARG6, ((UINT8 *)ImageInfo->ImageBase) + 0x1A383);
@ -357,21 +421,24 @@ EFI_STATUS EFIAPI SREPEntry(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *Syst
if (next->PatterType == PATTERN)
{
Print(L"Finding Offset\n\r");
AsciiSPrint(Log,512,"%s","Finding Offset\n\r");
LogToFile(LogFile,Log);
for (UINTN i = 0; i < ImageInfo->ImageSize - next->ARG6; i += 1)
{
if (CompareMem(((UINT8 *)ImageInfo->ImageBase) + i, (UINT8 *)next->ARG7, next->ARG6) == 0)
{
next->ARG3 = i;
Print(L"Found at %x\n\r", i);
AsciiSPrint(Log,512,"Found at %x\n\r", i);
LogToFile(LogFile,Log);
break;
}
}
if (next->ARG3 == 0xFFFFFFFF)
{
Print(L"No Patter Found\n\r");
AsciiSPrint(Log,512,"%s","No Patter Found\n\r");
LogToFile(LogFile,Log);
//goto cleanup;
break;
break;
}
}
if (next->PatterType == REL_POS_OFFSET)
@ -383,15 +450,18 @@ break;
next->ARG3 = BaseOffset - next->ARG3;
}
BaseOffset = next->ARG3;
Print(L"Offset %x\n\r", next->ARG3);
AsciiSPrint(Log,512,"Offset %x\n\r", next->ARG3);
LogToFile(LogFile,Log);
// PrintDump(next->ARG4+10,ImageInfo->ImageBase + next->ARG3 -5 );
CopyMem(ImageInfo->ImageBase + next->ARG3, (UINT8 *)next->ARG5, next->ARG4);
Print(L"Patched\n\r");
AsciiSPrint(Log,512,"%s","Patched\n\r");
LogToFile(LogFile,Log);
// PrintDump(next->ARG4+10,ImageInfo->ImageBase + next->ARG3 -5 );
break;
case EXEC:
Exec(&AppImageHandle);
Print(L"EXEC %r\n\r", Status);
AsciiSPrint(Log,512,"%s","EXEC %r\n\r", Status);
LogToFile(LogFile,Log);
break;
default: