52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#pragma once
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// texthook.h
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// 8/24/2013 jichi
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// Branch: IHF_DLL/IHF_CLIENT.h, rev 133
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//
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// 8/24/2013 TODO:
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// - Clean up this file
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// - Reduce global variables. Use namespaces or singleton classes instead.
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#include "common.h"
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#include "types.h"
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extern int currentHook;
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extern DWORD trigger;
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// jichi 9/25/2013: This class will be used by NtMapViewOfSectionfor
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// interprocedure communication, where constructor/destructor will NOT work.
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class TextHook
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{
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bool InsertHookCode();
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bool InsertReadCode();
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bool UnsafeInsertHookCode();
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DWORD UnsafeSend(DWORD dwDataBase, DWORD dwRetn);
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void RemoveHookCode();
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void RemoveReadCode();
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void SetHookName(LPCSTR name);
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public:
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HookParam hp;
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LPSTR hook_name;
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int name_length;
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BYTE trampoline[120];
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HANDLE readerHandle;
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bool InsertHook();
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void InitHook(const HookParam &hp, LPCSTR name = 0, WORD set_flag = 0);
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DWORD Send(DWORD dwDataBase, DWORD dwRetn);
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void ClearHook();
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int GetLength(DWORD base, DWORD in); // jichi 12/25/2013: Return 0 if failed
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};
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enum { MAX_HOOK = 300 };
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enum { HOOK_SECTION_SIZE = MAX_HOOK * sizeof(TextHook) * 2, HOOK_BUFFER_SIZE = MAX_HOOK * sizeof(TextHook) };
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extern TextHook *hookman;
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extern bool running;
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extern HANDLE hookPipe, hmMutex;
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// EOF
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