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MsgHook Native library updates

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MsgHook Native library works from native test application, still
introducing library to java side through jni.
This commit is contained in:
Edward Jakubowski
2014-05-23 06:50:49 -04:00
parent 1721d2a130
commit b5ede5e6cb
28 changed files with 304 additions and 52 deletions
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75
native/MsgHook/MsgHook.cpp
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@@ -12,7 +12,7 @@
#include "stdafx.h"
LRESULT CALLBACK HookProc(int nCode, WPARAM wParam, LPARAM lParam)
LRESULT CALLBACK CwpHookProc(int nCode, WPARAM wParam, LPARAM lParam)
{
COPYDATASTRUCT CDS;
HEVENT Event;
@@ -21,43 +21,84 @@ LRESULT CALLBACK HookProc(int nCode, WPARAM wParam, LPARAM lParam)
CDS.cbData = sizeof(Event);
CDS.lpData = &Event;
if (nCode == HC_ACTION) {
//if (nCode == HC_ACTION)
{
//For WH_CALLWNDPROC hook a pointer to a CWPSTRUCT structure that contains details about the message.
CWPSTRUCT *cwps = (CWPSTRUCT *)lParam;
Event.hWnd = cwps->hwnd;
Event.lParam = cwps->lParam;
Event.wParam = cwps->wParam;
Event.nCode = cwps->message;
Event.dwHookType = WH_CALLWNDPROC;
memset((void *)&Event.wParamStr, '\0', sizeof(TCHAR) * 25);
memset((void *)&Event.lParamStr, '\0', sizeof(TCHAR) * 25);
//if (cwps->message == WM_SETTEXT && cwps->lParam != 0)
// _tcscpy_s(Event.lParamStr, 25, (const wchar_t*)Event.lParam);
Event.lParam = cwps->lParam;
Event.wParam = cwps->wParam;
Event.nCode = cwps->message;
Event.dwHookType = WH_CALLWNDPROC;
BOOL bRes = SendMessage(pData->g_hWnd, WM_COPYDATA, 0, (LPARAM)(VOID*)&CDS); // ask the controlling program if the hook should be passed
BOOL bRes = (BOOL)SendMessage(pData->g_hWnd, WM_COPYDATA, 0, (LPARAM)(VOID*)&CDS); // ask the controlling program if the hook should be passed
}
return CallNextHookEx(pData->g_hHook, nCode, wParam, lParam); // pass hook to next handler
return CallNextHookEx(pData->g_CwpHook, nCode, wParam, lParam); // pass hook to next handler
//return bRes; // Don't tell the other hooks about this message.
}
extern "C" __declspec(dllexport) BOOL SetHook(HWND callerHWnd, DWORD threadId)
LRESULT CALLBACK MsgHookProc(int nCode, WPARAM wParam, LPARAM lParam)
{
COPYDATASTRUCT CDS;
HEVENT Event;
CDS.dwData = 0;
CDS.cbData = sizeof(Event);
CDS.lpData = &Event;
//if (nCode == HC_ACTION)
{
//For WH_GETMESSAGE hook a pointer to a MSG structure that contains details about the message.
MSG *msg = (MSG *)lParam;
Event.hWnd = msg->hwnd;
Event.lParam = msg->lParam;
Event.wParam = msg->wParam;
Event.nCode = msg->message;
Event.dwHookType = WH_GETMESSAGE;
memset((void *)&Event.wParamStr, '\0', sizeof(TCHAR) * 25);
memset((void *)&Event.lParamStr, '\0', sizeof(TCHAR) * 25);
//if (msg->message == WM_SETTEXT && msg->lParam != 0)
// _tcscpy_s(Event.lParamStr, 25, (const wchar_t*)Event.lParam);
//if (msg->message == WM_COMMAND || msg->message == WM_MENUCOMMAND) //infinite loop?
BOOL bRes = (BOOL)SendMessage(pData->g_hWnd, WM_COPYDATA, 0, (LPARAM)(VOID*)&CDS); // ask the controlling program if the hook should be passed
}
return CallNextHookEx(pData->g_MsgHook, nCode, wParam, lParam); // pass hook to next handler
//return bRes; // Don't tell the other hooks about this message.
}
extern "C" __declspec(dllexport) BOOL SetMsgHook(HWND callerHWnd, DWORD threadId)
{
if(bStartingProcess) // if we're just starting the DLL for the first time,
{
pData->g_hWnd = callerHWnd; // remember the windows and hook handle for further instances
pData->g_hHook = SetWindowsHookEx(WH_CALLWNDPROC, (HOOKPROC)HookProc, (HINSTANCE)pData->g_hInstance, threadId);
pData->g_CwpHook = SetWindowsHookEx(WH_CALLWNDPROC, (HOOKPROC)CwpHookProc, (HINSTANCE)pData->g_hInstance, threadId);
//pData->g_MsgHook = SetWindowsHookEx(WH_GETMESSAGE, (HOOKPROC)MsgHookProc, (HINSTANCE)pData->g_hInstance, threadId);
return (pData->g_hHook != NULL);
return (pData->g_CwpHook != NULL); //pData->g_CwpHook != NULL &&
}
else
return false;
else
return false;
}
extern "C" __declspec(dllexport) BOOL RemoveHook()
{
if (pData == NULL)
return false;
if(pData->g_hHook) // if the hook is defined
if(pData->g_MsgHook) // if the hook is defined
{
bool ret = UnhookWindowsHookEx(pData->g_hHook);
UnhookWindowsHookEx(pData->g_MsgHook);
pData->g_MsgHook = NULL;
}
if(pData->g_CwpHook) // if the hook is defined
{
BOOL ret = UnhookWindowsHookEx(pData->g_CwpHook);
pData->g_hWnd = NULL; // reset data
pData->g_hHook = NULL;
pData->g_CwpHook = NULL;
return ret;
}
return false;