| 1 |
// |
| 2 |
// Copyright (C) 2004-2005 Martin Wickett |
| 3 |
// |
| 4 |
|
| 5 |
#include "hookdll.h" |
| 6 |
#include <windows.h> |
| 7 |
#include <winuser.h> |
| 8 |
#include <stdio.h> |
| 9 |
|
| 10 |
#include "wtsapi32.h" |
| 11 |
#include "Cchannel.h" |
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|
| 13 |
#define DLL_EXPORT extern "C" __declspec(dllexport) |
| 14 |
|
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// Shared DATA |
| 16 |
#pragma data_seg ( "SHAREDDATA" ) |
| 17 |
|
| 18 |
// this is the total number of processes this dll is currently attached to |
| 19 |
int iInstanceCount = 0; |
| 20 |
HWND hWnd = 0; |
| 21 |
|
| 22 |
#pragma data_seg () |
| 23 |
|
| 24 |
#pragma comment(linker, "/section:SHAREDDATA,rws") |
| 25 |
|
| 26 |
bool bHooked = false; |
| 27 |
bool bHooked2 = false; |
| 28 |
bool bHooked3 = false; |
| 29 |
HHOOK hhook = 0; //cbt |
| 30 |
HHOOK hhook2 = 0; //shell |
| 31 |
HHOOK hhook3 = 0; //wnd proc |
| 32 |
HINSTANCE hInst = 0; |
| 33 |
HANDLE m_vcHandle = 0; |
| 34 |
|
| 35 |
BOOL APIENTRY DllMain( HINSTANCE hinstDLL, DWORD ul_reason_for_call, LPVOID lpReserved ) |
| 36 |
{ |
| 37 |
switch ( ul_reason_for_call ) { |
| 38 |
case DLL_PROCESS_ATTACH: { |
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// remember our instance handle |
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hInst = hinstDLL; |
| 41 |
++iInstanceCount; |
| 42 |
OpenVirtualChannel(); |
| 43 |
break; |
| 44 |
} |
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|
| 46 |
case DLL_THREAD_ATTACH: |
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break; |
| 48 |
case DLL_THREAD_DETACH: |
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break; |
| 50 |
case DLL_PROCESS_DETACH: { |
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--iInstanceCount; |
| 52 |
CloseVirtualChannel(); |
| 53 |
} |
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break; |
| 55 |
} |
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|
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return TRUE; |
| 58 |
} |
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|
| 60 |
LRESULT CALLBACK CallWndProc( int nCode, WPARAM wParam, LPARAM lParam ) |
| 61 |
{ |
| 62 |
if ( nCode < 0 ) { |
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return CallNextHookEx( hhook3, nCode, wParam, lParam ); |
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} |
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|
| 66 |
PCHAR buffer = NULL; |
| 67 |
char windowTitle[ 150 ] = { "" |
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}; |
| 69 |
HWND windowHandle = NULL; |
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HWND windowHandle2 = NULL; |
| 71 |
char result[ 255 ] = { "" |
| 72 |
}; |
| 73 |
char strWindowId[ 25 ]; |
| 74 |
char type[ 25 ]; |
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|
| 76 |
LONG b, t, l, r; |
| 77 |
char strX[ 5 ]; |
| 78 |
char strY[ 5 ]; |
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char strW[ 5 ]; |
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char strH[ 5 ]; |
| 81 |
RECT rect; |
| 82 |
|
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CWPSTRUCT *details = ( CWPSTRUCT * ) lParam; |
| 84 |
CREATESTRUCT *cs = ( CREATESTRUCT * ) details->lParam; |
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LONG dwStyle = GetWindowLong( details->hwnd, GWL_STYLE ); |
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|
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switch ( details->message ) { |
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case WM_SIZING: |
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windowHandle = details->hwnd; |
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//get win name |
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GetWindowText( windowHandle, windowTitle, 150 ); |
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|
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//get an id for it |
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itoa( ( int ) windowHandle, strWindowId, 10 ); |
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|
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//get coords |
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GetWindowRect( windowHandle, &rect ); |
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b = rect.bottom; |
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t = rect.top; |
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l = rect.left; |
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r = rect.right; |
| 102 |
ltoa( b - t, strH, 10 ); |
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ltoa( t, strY, 10 ); |
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ltoa( r - l, strW, 10 ); |
| 105 |
ltoa( l, strX, 10 ); |
| 106 |
|
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////setup return string |
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strcat( result, "MSG=CALLWNDPROC_WM_SIZING;OP=6;" ); |
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strcat( result, "ID=" ); |
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strcat( result, strWindowId ); |
| 111 |
strcat( result, ";" ); |
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strcat( result, "TITLE=" ); |
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strcat( result, windowTitle ); |
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strcat( result, ";" ); |
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strcat( result, "X=" ); |
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strcat( result, strX ); |
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strcat( result, ";" ); |
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strcat( result, "Y=" ); |
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strcat( result, strY ); |
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strcat( result, ";" ); |
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strcat( result, "H=" ); |
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strcat( result, strH ); |
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strcat( result, ";" ); |
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strcat( result, "W=" ); |
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strcat( result, strW ); |
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strcat( result, "." ); |
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|
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buffer = result; |
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|
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break; |
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case WM_MOVING: |
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|
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windowHandle = details->hwnd; |
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//get win name |
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GetWindowText( windowHandle, windowTitle, 150 ); |
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|
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//get an id for it |
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itoa( ( int ) windowHandle, strWindowId, 10 ); |
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|
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//get coords |
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GetWindowRect( windowHandle, &rect ); |
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b = rect.bottom; |
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t = rect.top; |
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l = rect.left; |
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r = rect.right; |
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ltoa( b - t, strH, 10 ); |
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ltoa( t, strY, 10 ); |
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ltoa( r - l, strW, 10 ); |
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ltoa( l, strX, 10 ); |
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|
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////setup return string |
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strcat( result, "MSG=CALLWNDPROC_WM_MOVING;OP=2;" ); |
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strcat( result, "ID=" ); |
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strcat( result, strWindowId ); |
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strcat( result, ";" ); |
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strcat( result, "TITLE=" ); |
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strcat( result, windowTitle ); |
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strcat( result, ";" ); |
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strcat( result, "X=" ); |
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strcat( result, strX ); |
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strcat( result, ";" ); |
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strcat( result, "Y=" ); |
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strcat( result, strY ); |
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strcat( result, ";" ); |
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strcat( result, "H=" ); |
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strcat( result, strH ); |
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strcat( result, ";" ); |
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strcat( result, "W=" ); |
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strcat( result, strW ); |
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strcat( result, "." ); |
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|
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buffer = result; |
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|
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break; |
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|
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case WM_WINDOWPOSCHANGED: |
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|
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windowHandle = details->hwnd; |
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//windowHandle2 = details->hwndInsertAfter; |
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//get win name |
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GetWindowText( windowHandle, windowTitle, 150 ); |
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|
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//get an id for it |
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itoa( ( int ) windowHandle, strWindowId, 10 ); |
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|
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//get coords |
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GetWindowRect( windowHandle, &rect ); |
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b = rect.bottom; |
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t = rect.top; |
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l = rect.left; |
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r = rect.right; |
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ltoa( b - t, strH, 10 ); |
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ltoa( t, strY, 10 ); |
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ltoa( r - l, strW, 10 ); |
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ltoa( l, strX, 10 ); |
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|
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////setup return string |
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strcat( result, "MSG=CALLWNDPROC_WM_WINDOWPOSCHANGED;OP=8;" ); |
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strcat( result, "ID=" ); |
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strcat( result, strWindowId ); |
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strcat( result, ";" ); |
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strcat( result, "TITLE=" ); |
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strcat( result, windowTitle ); |
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strcat( result, ";" ); |
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strcat( result, "X=" ); |
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strcat( result, strX ); |
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strcat( result, ";" ); |
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strcat( result, "Y=" ); |
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strcat( result, strY ); |
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strcat( result, ";" ); |
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strcat( result, "H=" ); |
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strcat( result, strH ); |
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strcat( result, ";" ); |
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strcat( result, "W=" ); |
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strcat( result, strW ); |
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strcat( result, "." ); |
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|
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buffer = result; |
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|
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break; |
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|
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|
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case WM_CREATE: |
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if ( cs->style & WS_DLGFRAME ) { |
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sprintf( result, "DEBUG:WM_CREATE:%dx%d at %d,%d, title=%s, menu=%p, window=%p, WS_BORDER=%d, WS_DLGFRAME=%d, WS_POPUP=%d", |
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cs->cx, cs->cy, cs->x, cs->y, cs->lpszName, cs->hMenu, details->hwnd, |
| 227 |
cs->style & WS_BORDER, cs->style & WS_DLGFRAME, |
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cs->style & WS_POPUP ); |
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buffer = result; |
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} |
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|
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break; |
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|
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|
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case WM_DESTROY: |
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if ( dwStyle & WS_DLGFRAME ) { |
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sprintf( result, "WM_DESTROY:%p", details->hwnd ); |
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buffer = result; |
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} |
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|
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break; |
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|
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default: |
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break; |
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} |
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|
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if ( ChannelIsOpen() ) { |
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if ( buffer != NULL ) { |
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WriteToChannel( buffer ); |
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} |
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} |
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|
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return CallNextHookEx( hhook3, nCode, wParam, lParam ); |
| 254 |
} |
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|
| 256 |
LRESULT CALLBACK CbtProc( int nCode, WPARAM wParam, LPARAM lParam ) |
| 257 |
{ |
| 258 |
if ( nCode < 0 ) { |
| 259 |
return CallNextHookEx( hhook, nCode, wParam, lParam ); |
| 260 |
} |
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|
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|
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PCHAR buffer = NULL; |
| 264 |
|
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|
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char windowTitle[ 150 ] = { "" |
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}; |
| 268 |
HWND windowHandle = NULL; |
| 269 |
char result[ 255 ] = { "" |
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}; |
| 271 |
char strWindowId[ 25 ]; |
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char type[ 25 ]; |
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|
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|
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LONG b, t, l, r; |
| 276 |
char strW[ 5 ]; |
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char strY[ 5 ]; |
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char strX[ 5 ]; |
| 279 |
char strH[ 5 ]; |
| 280 |
RECT rect; |
| 281 |
|
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int i = 0; //tmp |
| 283 |
|
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switch ( nCode ) { |
| 285 |
case HCBT_MINMAX: |
| 286 |
|
| 287 |
windowHandle = ( HWND ) wParam; |
| 288 |
//get win name |
| 289 |
GetWindowText( windowHandle, windowTitle, 150 ); |
| 290 |
|
| 291 |
//get an id for it |
| 292 |
itoa( ( int ) windowHandle, strWindowId, 10 ); |
| 293 |
|
| 294 |
//get operation type(min,max). if max, do not clip at all,if min use window's previous coords |
| 295 |
//codes are: |
| 296 |
|
| 297 |
// SW_HIDE= 0 SW_SHOWNORMAL=1 SW_NORMAL=1 SW_SHOWMINIMIZED=2 SW_SHOWMAXIMIZED=3 SW_MAXIMIZE=3 |
| 298 |
// SW_SHOWNOACTIVATE=4 SW_SHOW=5 SW_MINIMIZE=6 SW_SHOWMINNOACTIVE=7 SW_SHOWNA=8 SW_RESTORE=9 |
| 299 |
// SW_SHOWDEFAULT=10 SW_FORCEMINIMIZE=11 SW_MAX=11 |
| 300 |
|
| 301 |
itoa( ( int ) lParam, type, 10 ); |
| 302 |
|
| 303 |
//get coords |
| 304 |
GetWindowRect( windowHandle, &rect ); |
| 305 |
b = rect.bottom; |
| 306 |
t = rect.top; |
| 307 |
l = rect.left; |
| 308 |
r = rect.right; |
| 309 |
ltoa( b - t, strW, 10 ); |
| 310 |
ltoa( t, strY, 10 ); |
| 311 |
ltoa( r - l, strH, 10 ); |
| 312 |
ltoa( l, strX, 10 ); |
| 313 |
|
| 314 |
//get name |
| 315 |
GetWindowText( windowHandle, windowTitle, 150 ); |
| 316 |
|
| 317 |
////setup return string |
| 318 |
strcat( result, "MSG=HCBT_MINMAX;OP=4;" ); |
| 319 |
|
| 320 |
// SW_SHOWNOACTIVATE=4 SW_SHOW=5 SW_MINIMIZE=6 SW_SHOWMINNOACTIVE=7 SW_SHOWNA=8 SW_RESTORE=9 |
| 321 |
// SW_SHOWDEFAULT=10 SW_FORCEMINIMIZE=11 SW_MAX=11 |
| 322 |
strcat( result, "ID=" ); |
| 323 |
strcat( result, strWindowId ); |
| 324 |
strcat( result, ";" ); |
| 325 |
strcat( result, "TITLE=" ); |
| 326 |
strcat( result, windowTitle ); |
| 327 |
strcat( result, ";" ); |
| 328 |
strcat( result, "X=" ); |
| 329 |
strcat( result, strX ); |
| 330 |
strcat( result, ";" ); |
| 331 |
strcat( result, "Y=" ); |
| 332 |
strcat( result, strY ); |
| 333 |
strcat( result, ";" ); |
| 334 |
strcat( result, "H=" ); |
| 335 |
strcat( result, strH ); |
| 336 |
strcat( result, ";" ); |
| 337 |
strcat( result, "W=" ); |
| 338 |
strcat( result, strW ); |
| 339 |
strcat( result, ";" ); |
| 340 |
strcat( result, "TYPE=" ); |
| 341 |
strcat( result, type ); |
| 342 |
strcat( result, "." ); |
| 343 |
|
| 344 |
//------------------------------------------------------------------------------------------------- |
| 345 |
// code to prevent minimising windows (can be removed once minimise has been implemented) |
| 346 |
//i = (int)lParam; |
| 347 |
//if (i==0 || i==2 || i==6 || i==7 || i==8 || i==11) |
| 348 |
//if ( i==2 || i==6 ) |
| 349 |
//{ |
| 350 |
// MessageBox(0,"Minimising windows is not allowed in this version. Sorry!","TS Window Clipper", MB_OK); |
| 351 |
// return 1; |
| 352 |
//} |
| 353 |
//----------------------------------------------------------------------------------------- |
| 354 |
|
| 355 |
//------------------------------------------------------------------------------------------------- |
| 356 |
// code to prevent maximising windows (can be removed once maximise has been implemented) |
| 357 |
//i = (int)lParam; |
| 358 |
//if (i==3 || i==9 || i==11) |
| 359 |
//if (i==3 || i==11) |
| 360 |
//{ |
| 361 |
// MessageBox(0,"Maximising windows is not allowed in this version. Sorry!","TS Window Clipper", MB_OK); |
| 362 |
// return 1; |
| 363 |
//} |
| 364 |
//----------------------------------------------------------------------------------------- |
| 365 |
|
| 366 |
buffer = result; |
| 367 |
|
| 368 |
break; |
| 369 |
|
| 370 |
case HCBT_MOVESIZE: |
| 371 |
|
| 372 |
windowHandle = ( HWND ) wParam; |
| 373 |
//get win name |
| 374 |
GetWindowText( windowHandle, windowTitle, 150 ); |
| 375 |
|
| 376 |
//get an id for it |
| 377 |
itoa( ( int ) windowHandle, strWindowId, 10 ); |
| 378 |
|
| 379 |
//get coords |
| 380 |
GetWindowRect( windowHandle, &rect ); |
| 381 |
b = rect.bottom; |
| 382 |
t = rect.top; |
| 383 |
l = rect.left; |
| 384 |
r = rect.right; |
| 385 |
ltoa( b - t, strH, 10 ); |
| 386 |
ltoa( t, strY, 10 ); |
| 387 |
ltoa( r - l, strW, 10 ); |
| 388 |
ltoa( l, strX, 10 ); |
| 389 |
|
| 390 |
//get name |
| 391 |
GetWindowText( windowHandle, windowTitle, 150 ); |
| 392 |
|
| 393 |
////setup return string |
| 394 |
strcat( result, "MSG=HCBT_MOVESIZE;OP=5;" ); |
| 395 |
strcat( result, "ID=" ); |
| 396 |
strcat( result, strWindowId ); |
| 397 |
strcat( result, ";" ); |
| 398 |
strcat( result, "TITLE=" ); |
| 399 |
strcat( result, windowTitle ); |
| 400 |
strcat( result, ";" ); |
| 401 |
strcat( result, "X=" ); |
| 402 |
strcat( result, strX ); |
| 403 |
strcat( result, ";" ); |
| 404 |
strcat( result, "Y=" ); |
| 405 |
strcat( result, strY ); |
| 406 |
strcat( result, ";" ); |
| 407 |
strcat( result, "H=" ); |
| 408 |
strcat( result, strH ); |
| 409 |
strcat( result, ";" ); |
| 410 |
strcat( result, "W=" ); |
| 411 |
strcat( result, strW ); |
| 412 |
strcat( result, "." ); |
| 413 |
|
| 414 |
buffer = result; |
| 415 |
|
| 416 |
break; |
| 417 |
case HCBT_SETFOCUS: |
| 418 |
//buffer = "HCBT_SETFOCUS"; |
| 419 |
//not needed yet |
| 420 |
break; |
| 421 |
default: |
| 422 |
break; |
| 423 |
} |
| 424 |
|
| 425 |
if ( ChannelIsOpen() ) { |
| 426 |
if ( buffer != NULL ) { |
| 427 |
WriteToChannel( buffer ); |
| 428 |
} |
| 429 |
} |
| 430 |
|
| 431 |
return CallNextHookEx( hhook, nCode, wParam, lParam ); |
| 432 |
} |
| 433 |
|
| 434 |
|
| 435 |
LRESULT CALLBACK ShellProc( int nCode, WPARAM wParam, LPARAM lParam ) |
| 436 |
{ |
| 437 |
if ( nCode < 0 ) { |
| 438 |
return CallNextHookEx( hhook, nCode, wParam, lParam ); |
| 439 |
} |
| 440 |
|
| 441 |
if ( ChannelIsOpen() ) { |
| 442 |
PCHAR buffer = NULL; |
| 443 |
|
| 444 |
char windowTitle[ 150 ] = { "" |
| 445 |
}; |
| 446 |
HWND windowHandle = NULL; |
| 447 |
char result[ 255 ] = { "" |
| 448 |
}; |
| 449 |
char strWindowId[ 25 ]; |
| 450 |
LONG b, t, l, r; |
| 451 |
char strW[ 5 ]; |
| 452 |
char strY[ 5 ]; |
| 453 |
char strX[ 5 ]; |
| 454 |
char strH[ 5 ]; |
| 455 |
RECT rect; |
| 456 |
|
| 457 |
switch ( nCode ) { |
| 458 |
case HSHELL_WINDOWCREATED: |
| 459 |
|
| 460 |
//get window id |
| 461 |
windowHandle = ( HWND ) wParam; |
| 462 |
itoa( ( int ) windowHandle, strWindowId, 10 ); |
| 463 |
|
| 464 |
//get coords |
| 465 |
GetWindowRect( windowHandle, &rect ); |
| 466 |
b = rect.bottom; |
| 467 |
t = rect.top; |
| 468 |
l = rect.left; |
| 469 |
r = rect.right; |
| 470 |
ltoa( b - t, strH, 10 ); |
| 471 |
ltoa( t, strY, 10 ); |
| 472 |
ltoa( r - l, strW, 10 ); |
| 473 |
ltoa( l, strX, 10 ); |
| 474 |
|
| 475 |
//get name |
| 476 |
GetWindowText( windowHandle, windowTitle, 150 ); |
| 477 |
|
| 478 |
////setup return string |
| 479 |
strcat( result, "MSG=HSHELL_WINDOWCREATED;OP=0;" ); |
| 480 |
strcat( result, "ID=" ); |
| 481 |
strcat( result, strWindowId ); |
| 482 |
strcat( result, ";" ); |
| 483 |
strcat( result, "TITLE=" ); |
| 484 |
strcat( result, windowTitle ); |
| 485 |
strcat( result, ";" ); |
| 486 |
strcat( result, "X=" ); |
| 487 |
strcat( result, strX ); |
| 488 |
strcat( result, ";" ); |
| 489 |
strcat( result, "Y=" ); |
| 490 |
strcat( result, strY ); |
| 491 |
strcat( result, ";" ); |
| 492 |
strcat( result, "H=" ); |
| 493 |
strcat( result, strH ); |
| 494 |
strcat( result, ";" ); |
| 495 |
strcat( result, "W=" ); |
| 496 |
strcat( result, strW ); |
| 497 |
strcat( result, "." ); |
| 498 |
|
| 499 |
buffer = result; |
| 500 |
|
| 501 |
break; |
| 502 |
|
| 503 |
case HSHELL_WINDOWDESTROYED: |
| 504 |
|
| 505 |
//get window id |
| 506 |
windowHandle = ( HWND ) wParam; |
| 507 |
itoa( ( int ) windowHandle, strWindowId, 10 ); |
| 508 |
|
| 509 |
//get coords |
| 510 |
GetWindowRect( windowHandle, &rect ); |
| 511 |
b = rect.bottom; |
| 512 |
t = rect.top; |
| 513 |
l = rect.left; |
| 514 |
r = rect.right; |
| 515 |
ltoa( b - t, strH, 10 ); |
| 516 |
ltoa( t, strY, 10 ); |
| 517 |
ltoa( r - l, strW, 10 ); |
| 518 |
ltoa( l, strX, 10 ); |
| 519 |
|
| 520 |
//get name |
| 521 |
GetWindowText( windowHandle, windowTitle, 150 ); |
| 522 |
|
| 523 |
////setup return string |
| 524 |
strcat( result, "MSG=HSHELL_WINDOWDESTROYED;OP=1;" ); |
| 525 |
strcat( result, "ID=" ); |
| 526 |
strcat( result, strWindowId ); |
| 527 |
strcat( result, ";" ); |
| 528 |
strcat( result, "TITLE=" ); |
| 529 |
strcat( result, windowTitle ); |
| 530 |
strcat( result, ";" ); |
| 531 |
strcat( result, "X=" ); |
| 532 |
strcat( result, strX ); |
| 533 |
strcat( result, ";" ); |
| 534 |
strcat( result, "Y=" ); |
| 535 |
strcat( result, strY ); |
| 536 |
strcat( result, ";" ); |
| 537 |
strcat( result, "H=" ); |
| 538 |
strcat( result, strH ); |
| 539 |
strcat( result, ";" ); |
| 540 |
strcat( result, "W=" ); |
| 541 |
strcat( result, strW ); |
| 542 |
strcat( result, "." ); |
| 543 |
|
| 544 |
buffer = result; |
| 545 |
|
| 546 |
break; |
| 547 |
default: |
| 548 |
break; |
| 549 |
} |
| 550 |
|
| 551 |
if ( buffer != NULL ) { |
| 552 |
WriteToChannel( buffer ); |
| 553 |
} |
| 554 |
} |
| 555 |
|
| 556 |
return CallNextHookEx( hhook, nCode, wParam, lParam ); |
| 557 |
} |
| 558 |
|
| 559 |
DLL_EXPORT void SetCbtHook( void ) |
| 560 |
{ |
| 561 |
if ( !bHooked ) { |
| 562 |
hhook = SetWindowsHookEx( WH_CBT, ( HOOKPROC ) CbtProc, hInst, ( DWORD ) NULL ); |
| 563 |
bHooked = true; |
| 564 |
} |
| 565 |
|
| 566 |
if ( !bHooked2 ) { |
| 567 |
hhook2 = SetWindowsHookEx( WH_SHELL, ( HOOKPROC ) ShellProc, hInst, ( DWORD ) NULL ); |
| 568 |
bHooked2 = true; |
| 569 |
} |
| 570 |
|
| 571 |
if ( !bHooked3 ) { |
| 572 |
hhook3 = SetWindowsHookEx( WH_CALLWNDPROC, ( HOOKPROC ) CallWndProc, hInst, ( DWORD ) NULL ); |
| 573 |
bHooked3 = true; |
| 574 |
} |
| 575 |
} |
| 576 |
|
| 577 |
DLL_EXPORT void RemoveCbtHook( void ) |
| 578 |
{ |
| 579 |
if ( bHooked ) { |
| 580 |
UnhookWindowsHookEx( hhook ); |
| 581 |
bHooked = false; |
| 582 |
} |
| 583 |
|
| 584 |
if ( bHooked2 ) { |
| 585 |
UnhookWindowsHookEx( hhook2 ); |
| 586 |
bHooked2 = false; |
| 587 |
} |
| 588 |
|
| 589 |
if ( bHooked3 ) { |
| 590 |
UnhookWindowsHookEx( hhook3 ); |
| 591 |
bHooked3 = false; |
| 592 |
} |
| 593 |
} |
| 594 |
|
| 595 |
DLL_EXPORT int GetInstanceCount() |
| 596 |
{ |
| 597 |
return iInstanceCount; |
| 598 |
} |
| 599 |
|
| 600 |
int OpenVirtualChannel() |
| 601 |
{ |
| 602 |
m_vcHandle = WTSVirtualChannelOpen( WTS_CURRENT_SERVER_HANDLE, WTS_CURRENT_SESSION, CHANNELNAME ); |
| 603 |
|
| 604 |
if ( m_vcHandle == NULL ) { |
| 605 |
return 0; |
| 606 |
} else { |
| 607 |
return 1; |
| 608 |
} |
| 609 |
} |
| 610 |
|
| 611 |
int CloseVirtualChannel() |
| 612 |
{ |
| 613 |
BOOL result = WTSVirtualChannelClose( m_vcHandle ); |
| 614 |
|
| 615 |
m_vcHandle = NULL; |
| 616 |
|
| 617 |
if ( result ) { |
| 618 |
return 1; |
| 619 |
} else { |
| 620 |
return 0; |
| 621 |
} |
| 622 |
} |
| 623 |
|
| 624 |
int ChannelIsOpen() |
| 625 |
{ |
| 626 |
if ( m_vcHandle == NULL ) { |
| 627 |
return 0; |
| 628 |
} else { |
| 629 |
return 1; |
| 630 |
} |
| 631 |
} |
| 632 |
|
| 633 |
int WriteToChannel( PCHAR buffer ) |
| 634 |
{ |
| 635 |
PULONG bytesRead = 0; |
| 636 |
PULONG pBytesWritten = 0; |
| 637 |
|
| 638 |
BOOL result = WTSVirtualChannelWrite( m_vcHandle, buffer, ( ULONG ) strlen( buffer ), pBytesWritten ); |
| 639 |
|
| 640 |
if ( result ) { |
| 641 |
return 1; |
| 642 |
} else { |
| 643 |
return 0; |
| 644 |
} |
| 645 |
} |
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