MemoryModulePP/MemoryModulePP.h at master · strivexjun/MemoryModulePP · GitHub

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* modify by xjun

#ifndef __MEMORY_MODULE_HEADER

#define __MEMORY_MODULE_HEADER

#include <windows.h>

typedef void *HMEMORYRSRC;

typedef void *HCUSTOMMODULE;

#ifdef __cplusplus

extern "C" {

#endif

typedef LPVOID (*CustomAllocFunc)(LPVOID, SIZE_T, DWORD, DWORD, void*);

typedef BOOL (*CustomFreeFunc)(LPVOID, SIZE_T, DWORD, void*);

typedef HCUSTOMMODULE (*CustomLoadLibraryFunc)(LPCSTR, void *);

typedef FARPROC (*CustomGetProcAddressFunc)(HCUSTOMMODULE, LPCSTR, void *);

typedef void (*CustomFreeLibraryFunc)(HCUSTOMMODULE, void *);

struct ExportNameEntry {

LPCSTR name;

WORD idx;

};

typedef BOOL(WINAPI *DllEntryProc)(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved);

typedef int (WINAPI *ExeEntryProc)(void);

typedef struct {

PIMAGE_NT_HEADERS headers;

unsigned char *codeBase;

HCUSTOMMODULE *modules;

int numModules;

BOOL initialized;

BOOL isDLL;

BOOL isRelocated;

CustomAllocFunc alloc;

CustomFreeFunc free;

CustomLoadLibraryFunc loadLibrary;

CustomGetProcAddressFunc getProcAddress;

CustomFreeLibraryFunc freeLibrary;

struct ExportNameEntry *nameExportsTable;

void *userdata;

ExeEntryProc exeEntry;

DWORD pageSize;

} MEMORYMODULE, *PMEMORYMODULE;

typedef struct {

LPVOID address;

LPVOID alignedAddress;

SIZE_T size;

DWORD characteristics;

BOOL last;

} SECTIONFINALIZEDATA, *PSECTIONFINALIZEDATA;

#define GET_HEADER_DICTIONARY(module, idx) &(module)->headers->OptionalHeader.DataDirectory[idx]

/**

* Load EXE/DLL from memory location with the given size.

* All dependencies are resolved using default LoadLibrary/GetProcAddress

* calls through the Windows API.

PMEMORYMODULE MemoryLoadLibrary(const void *, size_t);

/**

* Load EXE/DLL from memory location with the given size using custom dependency

* resolvers.

* Dependencies will be resolved using passed callback methods.

PMEMORYMODULE MemoryLoadLibraryEx(const void *, size_t,

CustomAllocFunc,

CustomFreeFunc,

CustomLoadLibraryFunc,

CustomGetProcAddressFunc,

CustomFreeLibraryFunc,

void *);

/**

* Get address of exported method. Supports loading both by name and by

* ordinal value.

FARPROC MemoryGetProcAddress(PMEMORYMODULE, LPCSTR);

/**

* Free previously loaded EXE/DLL.

void MemoryFreeLibrary(PMEMORYMODULE);

/**

* Execute entry point (EXE only). The entry point can only be executed

* if the EXE has been loaded to the correct base address or it could

* be relocated (i.e. relocation information have not been stripped by

* the linker).

* Important: calling this function will not return, i.e. once the loaded

* EXE finished running, the process will terminate.

* Returns a negative value if the entry point could not be executed.

int MemoryCallEntryPoint(PMEMORYMODULE);

/**

* Find the location of a resource with the specified type and name.

HMEMORYRSRC MemoryFindResource(PMEMORYMODULE, LPCTSTR, LPCTSTR);

/**

* Find the location of a resource with the specified type, name and language.

HMEMORYRSRC MemoryFindResourceEx(PMEMORYMODULE, LPCTSTR, LPCTSTR, WORD);

/**

* Get the size of the resource in bytes.

DWORD MemorySizeofResource(PMEMORYMODULE, HMEMORYRSRC);

/**

* Get a pointer to the contents of the resource.

LPVOID MemoryLoadResource(PMEMORYMODULE, HMEMORYRSRC);

/**

* Load a string resource.

int MemoryLoadString(PMEMORYMODULE, UINT, LPTSTR, int);

/**

* Load a string resource with a given language.

int MemoryLoadStringEx(PMEMORYMODULE, UINT, LPTSTR, int, WORD);

/**

* Default implementation of CustomAllocFunc that calls VirtualAlloc

* internally to allocate memory for a library