#include <windows.h>

#define ibaseDD *(PDWORD)&ibase
#define RVATOVA(base,offset) ((PVOID)((DWORD)(base)+(DWORD)(offset)))

typedef struct {
    WORD    offset:12;
    WORD    type:4;
} IMAGE_FIXUP_ENTRY, *PIMAGE_FIXUP_ENTRY;

typedef struct  {
    DWORD   Characteristics;
    DWORD   TimeDateStamp;
    WORD    MajorVersion;
    WORD    MinorVersion;
    DWORD   Name;
    DWORD   Base;
    DWORD   NumberOfFunctions;
    DWORD   NumberOfNames;
    DWORD   AddressOfFunctions;
    DWORD   AddressOfNames;
    DWORD   AddressOfNameOrdinals;
} MY_IMAGE_EXPORT_DESCRIPTOR;

struct FixupBlock {
	unsigned long pageRVA;
	unsigned long blockSize;
};

struct PE_Header 
{
	unsigned long signature;
	unsigned short machine;
	unsigned short numSections;
	unsigned long timeDateStamp;
	unsigned long pointerToSymbolTable;
	unsigned long numOfSymbols;
	unsigned short sizeOfOptionHeader;
	unsigned short characteristics;
};

struct PE_ExtHeader
{
	unsigned short magic;
	unsigned char majorLinkerVersion;
	unsigned char minorLinkerVersion;
	unsigned long sizeOfCode;
	unsigned long sizeOfInitializedData;
	unsigned long sizeOfUninitializedData;
	unsigned long addressOfEntryPoint;
	unsigned long baseOfCode;
	unsigned long baseOfData;
	unsigned long imageBase;
	unsigned long sectionAlignment;
	unsigned long fileAlignment;
	unsigned short majorOSVersion;
	unsigned short minorOSVersion;
	unsigned short majorImageVersion;
	unsigned short minorImageVersion;
	unsigned short majorSubsystemVersion;
	unsigned short minorSubsystemVersion;
	unsigned long reserved1;
	unsigned long sizeOfImage;
	unsigned long sizeOfHeaders;
	unsigned long checksum;
	unsigned short subsystem;
	unsigned short DLLCharacteristics;
	unsigned long sizeOfStackReserve;
	unsigned long sizeOfStackCommit;
	unsigned long sizeOfHeapReserve;
	unsigned long sizeOfHeapCommit;
	unsigned long loaderFlags;
	unsigned long numberOfRVAAndSizes;
	unsigned long exportTableAddress;
	unsigned long exportTableSize;
	unsigned long importTableAddress;
	unsigned long importTableSize;
	unsigned long resourceTableAddress;
	unsigned long resourceTableSize;
	unsigned long exceptionTableAddress;
	unsigned long exceptionTableSize;
	unsigned long certFilePointer;
	unsigned long certTableSize;
	unsigned long relocationTableAddress;
	unsigned long relocationTableSize;
	unsigned long debugDataAddress;
	unsigned long debugDataSize;
	unsigned long archDataAddress;
	unsigned long archDataSize;
	unsigned long globalPtrAddress;
	unsigned long globalPtrSize;
	unsigned long TLSTableAddress;
	unsigned long TLSTableSize;
	unsigned long loadConfigTableAddress;
	unsigned long loadConfigTableSize;
	unsigned long boundImportTableAddress;
	unsigned long boundImportTableSize;
	unsigned long importAddressTableAddress;
	unsigned long importAddressTableSize;
	unsigned long delayImportDescAddress;
	unsigned long delayImportDescSize;
	unsigned long COMHeaderAddress;
	unsigned long COMHeaderSize;
	unsigned long reserved2;
	unsigned long reserved3;
};


struct SectionHeader
{
	unsigned char sectionName[8];
	unsigned long virtualSize;
	unsigned long virtualAddress;
	unsigned long sizeOfRawData;
	unsigned long pointerToRawData;
	unsigned long pointerToRelocations;
	unsigned long pointerToLineNumbers;
	unsigned short numberOfRelocations;
	unsigned short numberOfLineNumbers;
	unsigned long characteristics;
};

struct MZHeader
{
	unsigned short signature;
	unsigned short partPag;
	unsigned short pageCnt;
	unsigned short reloCnt;
	unsigned short hdrSize;
	unsigned short minMem;
	unsigned short maxMem;
	unsigned short reloSS;
	unsigned short exeSP;
	unsigned short chksum;
	unsigned short exeIP;
	unsigned short reloCS;
	unsigned short tablOff;
	unsigned short overlay;
	unsigned char reserved[32];
	unsigned long offsetToPE;
};

extern BOOL readPEInfo(char *modulePos, MZHeader *outMZ, PE_Header *outPE, PE_ExtHeader *outpeXH, SectionHeader **outSecHdr);
extern DWORD GetHeaders(PCHAR ibase,
                 PIMAGE_FILE_HEADER *pFH,
                 PIMAGE_OPTIONAL_HEADER *pOH,
                 PIMAGE_SECTION_HEADER *pSH);
extern DWORD FindKiServiceTable(HMODULE hModule,DWORD dwKSDT);
extern BOOL RelocImage(PVOID exeAddr, PVOID newAddr);
extern LPVOID loadDLL(char *dllName);
DWORD myStrlenA(char *ptr);


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