LunaHook-mirror/include/texthook.h

#pragma once

// texthook.h
// 8/24/2013 jichi
// Branch: IHF_DLL/IHF_CLIENT.h, rev 133
//
// 8/24/2013 TODO:
// - Clean up this file
// - Reduce global variables. Use namespaces or singleton classes instead.

inline std::atomic<bool (*)(LPVOID addr, hook_stack *stack)> trigger_fun = nullptr;

// jichi 9/25/2013: This class will be used by NtMapViewOfSectionfor
// interprocedure communication, where constructor/destructor will NOT work.
struct EmbedSharedMem
{
	uint64_t use[10];
	uint64_t addr[10];
	uint64_t ctx1[10];
	uint64_t ctx2[10];
	UINT32 waittime;
	UINT32 spaceadjustpolicy;
	UINT32 keeprawtext;
	uint64_t hash;
	wchar_t text[1000];
	bool fontCharSetEnabled;
	UINT8 fontCharSet;
	wchar_t fontFamily[100];
	UINT codepage;
	bool fastskipignore;
};
class TextHook
{
public:
	HookParam hp;
	ALIGNPTR(uint64_t address, void *location);
	uint64_t savetypeforremove;
	bool Insert(HookParam hp);
	void Clear();

private:
	void Read();
	bool InsertHookCode();
	bool InsertReadCode();
	bool InsertBreakPoint();
	bool RemoveBreakPoint();
	bool breakpointcontext(PCONTEXT);
	void Send(uintptr_t dwDatabase);
	int GetLength(hook_stack *stack, uintptr_t in); // jichi 12/25/2013: Return 0 if failed
	int HookStrlen(BYTE *data);
	void RemoveHookCode();
	void RemoveReadCode();
	bool waitfornotify(TextOutput_T *buffer, void *data, size_t *len, ThreadParam tp);
	void parsenewlineseperator(void *data, size_t *len);
	volatile DWORD useCount;
	ALIGNPTR(uint64_t __1, HANDLE readerThread);
	ALIGNPTR(uint64_t __2, HANDLE readerEvent);
	bool err;
	ALIGNPTR(BYTE __4[140], BYTE trampoline[x64 ? 140 : 40]);
	ALIGNPTR(uint64_t __3, BYTE *local_buffer);
};

enum
{
	MAX_HOOK = 2500
};

// EOF