Textractor_test/vnrhook/texthook.h

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#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.
#include "common.h"
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#include "types.h"
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void SetTrigger();
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// jichi 9/25/2013: This class will be used by NtMapViewOfSectionfor
// interprocedure communication, where constructor/destructor will NOT work.
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class TextHook
{
public:
HookParam hp;
union
{
uint64_t address;
void* location;
}; // Absolute address
bool Insert(HookParam hp, DWORD set_flag);
void Clear();
private:
static DWORD WINAPI Reader(LPVOID hookPtr);
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bool InsertHookCode();
bool InsertReadCode();
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void Send(uintptr_t dwDatabase);
int GetLength(uintptr_t base, uintptr_t in); // jichi 12/25/2013: Return 0 if failed
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void RemoveHookCode();
void RemoveReadCode();
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HANDLE readerThread, readerEvent;
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bool err;
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BYTE trampoline[130];
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};
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enum { MAX_HOOK = 300, HOOK_BUFFER_SIZE = MAX_HOOK * sizeof(TextHook), HOOK_SECTION_SIZE = HOOK_BUFFER_SIZE * 2 };
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// EOF