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library HookDLL;
{ Important note about DLL memory management: ShareMem must be the first unit in your library's USES clause AND your project's (select Project-View Source) USES clause if your DLL exports any procedures or functions that pass strings as parameters or function results. This applies to all strings passed to and from your DLL--even those that are nested in records and classes. ShareMem is the interface unit to the BORLNDMM.DLL shared memory manager, which must be deployed along with your DLL. To avoid using BORLNDMM.DLL, pass string information using PChar or ShortString parameters. }
uses System.SysUtils, windows, Messages, System.Classes;
var HKbHook : HHOOK; HShellHook : HHOOK;
Const HookDataFile = ¡®c:\Hook.Dat¡¯;
procedure ReadData; var F : TFileStream; begin F := TFileStream.Create(HookDataFile, fmOpenRead); try F.Read(HKbHook, sizeof(HKbHook)); F.Read(HShellHook, sizeof(HShellHook)); finally F.Free; end; end;
procedure WriteData; var F : TFileStream; begin F := TFileStream.Create(HookDataFile, fmCreate); try F.Write(HKbHook, sizeof(HKbHook)); F.Write(HShellHook, sizeof(HShellHook)); finally F.Free; end; end;
begin HKbHook := 0; HShellHook := 0; end.
{ °¥±¸¸®Áú ÇÁ·Î½ÃÀú } function MyKBHook(Code : Integer; wParam : WPARAM; lParam : LPARAM) : LongInt; stdcall; begin { ÆÄÀÏ¿¡ ÀúÀåµÈ ÈÅÇÚµéÀ» Àоî¿Â´Ù. } if HKbHook = 0 then ReadData; { Code°ªÀÌ 0º¸´Ù Å©°Å³ª °°À»¶§¸¸ } { °¥±¸¸®ÁúÀ» ÇÏ´Â °ÍÀÌ ¿ä·É. } if Code >= 0 then begin { Å°º¸µå¸¦ ¸ù¶¥ ¾È´¸®°Ô ÇÏÀÚ. } { ´ÙÀ½ ÈÅüÀÎÀÌ ºÒ¸®Áö ¾Êµµ·Ï ÇÏ¸é ³¡~! } Result := Integer(True); Exit; end; Result := CallNextHookEx(HKbHook, Code, wParam, lParam); end;
{ Å°º¸µå °¥±¸¸® Âï±â } function HookKB : Boolean; begin HKbHook := SetWindowsHookEx( WH_KEYBOARD, MyKBHook, HInstance, 0); Result := Boolean(HKbHook); { ÆÄÀÏ¿¡ ÈÅÇÚµé ¾²±â } WriteData; end;
{ Å°º¸µå °¥±¸¸® »Ì±â } function UnHookKB : Boolean; begin { ÆÄÀÏ¿¡ ÀúÀåµÈ ÈÅÇÚµéÀ» Àоî¿Â´Ù. } if HKbHook = 0 then ReadData; Result := UnhookWindowsHookEx(HKbHook); end;
{ ¼¿ °¥±¸¸®Áú } function MyShellHook(Code : Integer; wParam : WPARAM; lParam : LPARAM) : LongInt; stdcall; var Buff : array [0..255] of Char; s : String; begin { ÆÄÀÏ¿¡ ÀúÀåµÈ ÈÅÇÚµéÀ» Àоî¿Â´Ù. } if HShellHook = 0 then ReadData; { À©µµ¿ìÀÇ »ý¼º°ú ¼Ò¸ê¸¸ ±«·ÓÈù´Ù. ÀÚ¼¼ÇÑ ³»¿ëÀº µµ¿ò¸»À» ÂüÁ¶ÇÒ °Í. } if (code = HSHELL_WINDOWCREATED) or (code = HSHELL_WINDOWDESTROYED) then begin { À©µµ¿ìÀÇ Å¬·¡½º¸íÀ» Àоî¿Â´Ù. Code°ªÀÌ À§ÀÇ µÎ°³ÀÇ °ªÀÏ °æ¿ì, wParamÀº À©µµ¿ìÀÇ Çڵ鰪ÀÌ µÈ´Ù. } GetClassName(wParam, Buff, SizeOf(Buff)); { Ŭ·¡½º¸íÀÌ ³ëÆ®Æеå¶ó¸é ¸Þ½ÃÁö¹Ú½º º¸¿©ÁÖ±â. } if Buff = 'Notepad' then begin if (code = HSHELL_WINDOWCREATED) then S := '¸Þ¸ðÀåÀÌ ½ÇÇàµÇ´Â±¸¸¸¿ä~!' else S := '¸Þ¸ðÀåÀÌ ³¡³µ±¸¸¸¿ä~!'; MessageBox(0,PChar(S),'Hook Message',0); end; end; { ´ÙÀ½ ÈÅüÀΠȣÃâ } Result := CallNextHookEx(HShellHook, Code, wParam, lParam); end;
{ ¼¿ °¥±¸¸® Âï±â } function HookSHELL : Boolean; begin HShellHook := SetWindowsHookEx( WH_SHELL, MyShellHook, HInstance, 0); Result := Boolean(HShellHook); { ÆÄÀÏ¿¡ ÈÅÇÚµé ¾²±â } WriteData; end;
{ ¼¿ °¥±¸¸® »Ì±â } function UnHookSHELL : Boolean; begin { ÆÄÀÏ¿¡ ÀúÀåµÈ ÈÅÇÚµéÀ» Àоî¿Â´Ù. } if HShellHook = 0 then ReadData; Result := UnhookWindowsHookEx(HShellHook); end;
Exports HookKB, HookSHELL, UnHookKB, UnHookSHELL;
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