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// InterSpy.cpp: implementation of the CInterSpy class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "InterSpy.h"
#include "ISMsgManager.h"
#include "afxpriv.h"
#include <atlbase.h>
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
CInterSpy::CInterSpy() : m_dwFlags(0), m_hwndOutput(NULL)
{
}
CInterSpy::~CInterSpy()
{
}
BOOL CInterSpy::Initialize(DWORD dwFlags)
{
if (GetInstance().InitHooks(HM_CALLWNDPROC | HM_GETMESSAGE))
{
GetInstance().SetFlags(dwFlags);
return TRUE;
}
return FALSE;
}
void CInterSpy::IncludeMsg(UINT uMsg)
{
GetInstance().CInterSpy::IncludeMsg(uMsg, TRUE);
}
void CInterSpy::ExcludeMsg(UINT uMsg)
{
GetInstance().CInterSpy::IncludeMsg(uMsg, FALSE);
}
void CInterSpy::OnCallWndProc(const MSG& msg)
{
ProcessMessage(msg);
}
void CInterSpy::OnGetMessage(const MSG& msg)
{
ProcessMessage(msg);
}
void CInterSpy::SetFlags(DWORD dwFlags)
{
m_dwFlags = dwFlags;
if (m_dwFlags & IS_NOKICKIDLE)
IncludeMsg(WM_KICKIDLE, FALSE);
HWND hwndOutput = GetOutputWnd(TRUE);
if ((m_dwFlags & IS_RESETONSTART) && hwndOutput)
{
// build copy data msg
IS_COPYDATA data;
data.uCmd = IS_CMD_RESET;
COPYDATASTRUCT cds = { 1, sizeof(data), &data};
::SendMessage(hwndOutput, WM_COPYDATA, 0, (LPARAM)&cds);
}
}
void CInterSpy::IncludeMsg(UINT uMsg, BOOL bInclude)
{
if (bInclude)
m_mapExclusions.RemoveKey(uMsg);
else
m_mapExclusions[uMsg] = 1;
}
HWND CInterSpy::GetOutputWnd(BOOL bStartup)
{
static BOOL bReentrancy = FALSE;
if (bReentrancy)
return NULL;
bReentrancy = TRUE;
if (!m_hwndOutput || !::IsWindow(m_hwndOutput))
m_hwndOutput = NULL;
if (!m_hwndOutput)
m_hwndOutput = ::FindWindow("InterspyWnd", NULL);
if (bStartup && !m_hwndOutput && (m_dwFlags & IS_AUTOSTARTOUTPUT))
{
// lookup cached path in registry
if (m_sOutputWndPath.IsEmpty())
{
CRegKey reg;
if (reg.Open(HKEY_LOCAL_MACHINE, "Software\\AbstractSpoon\\InterSpy") == ERROR_SUCCESS)
{
char szPath[MAX_PATH + 1];
DWORD dwLen = MAX_PATH;
if (reg.QueryValue(szPath, "InterSpyWndPath", &dwLen) == ERROR_SUCCESS)
m_sOutputWndPath = szPath;
}
}
BOOL bCancelled = FALSE;
do
{
if (m_sOutputWndPath.IsEmpty())
{
if (IDCANCEL == MessageBox(NULL, "Interspy could not determine the location of the InterSpy output window.\n\nClick 'OK' to browse to the location of the InterSpy output window, \nor 'Cancel' if you which to start the output window manually",
"InterSpy", MB_OKCANCEL))
{
bCancelled = TRUE;
}
else
{
CFileDialog dialog(TRUE, NULL, m_sOutputWndPath, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
"InterSpy output windows|InterSpyWnd.exe||");
if (dialog.DoModal() == IDOK)
{
m_sOutputWndPath = dialog.GetPathName();
}
else
bCancelled = TRUE;
}
}
if (!bCancelled && !m_sOutputWndPath.IsEmpty())
{
// try to run the exe
TRACE ("running '%s'\n", m_sOutputWndPath);
if ((int)ShellExecute(NULL, NULL, m_sOutputWndPath, NULL, NULL, SW_SHOW) > 32)
{
int nCount = 10;
while (nCount-- && !m_hwndOutput)
{
m_hwndOutput = ::FindWindow("InterspyWnd", NULL);
Sleep(100);
}
}
}
}
while (!m_hwndOutput && !bCancelled);
if (bCancelled)
m_dwFlags &= ~IS_AUTOSTARTOUTPUT;
else
{
// write to registry
CRegKey reg;
reg.SetValue(HKEY_LOCAL_MACHINE, "Software\\AbstractSpoon\\InterSpy", m_sOutputWndPath, "InterSpyWndPath");
}
}
bReentrancy = FALSE;
return m_hwndOutput;
}
void CInterSpy::ProcessMessage(const MSG& msg)
{
// check exclusions
static UINT uTemp;
if (m_mapExclusions.Lookup(msg.message, uTemp))
return;
// check duplicates
if (m_dwFlags & IS_NODUPLICATES)
{
UINT uLastMsg;
if (m_mapLastMsgs.Lookup(msg.hwnd, uLastMsg) && uLastMsg == msg.message)
return;
}
m_mapLastMsgs[msg.hwnd] = msg.message;
HWND hwndOutput = GetOutputWnd();
if (!hwndOutput)
return;
// else
CString sMsg;
CStringArray aParams;
if (CISMsgManager::HandleMsg(&msg, sMsg, &aParams))
{
// build copy data msg
IS_COPYDATA data;
data.uCmd = IS_CMD_ADDMSG;
data.wParam = (WPARAM)msg.hwnd;
data.lParam = msg.message;
int nParams = aParams.GetSize();
if (nParams)
{
sMsg += '|';
for (int nParam = 0; nParam < nParams; nParam++)
{
sMsg += aParams[nParam];
if (nParam < nParams - 1)
sMsg += '|'; // delimeter
}
}
lstrcpy(data.sMsg, sMsg);
COPYDATASTRUCT cds = { 1, sizeof(data), &data};
::SendMessage(hwndOutput, WM_COPYDATA, 0, (LPARAM)&cds);
}
}
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.dan.g. is a naturalised Australian and has been developing commercial windows software since 1998.