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Figure 1: Spying on an in-process COM server

HMODULE hMod = ::LoadLibrary (comname);
if (NULL==hMod){
    MessageBox (NULL, "Can't Find", comname, MB_OK);            
    return 1;
}
HKEY hklm = 0;
HKEY hkcr = 0;
DWORD dwr=0;
// Find DllregisterServer, prepare to call it 
ProcDllReg DLLRegisterServer = (ProcDllReg)::GetProcAddress(
    hMod,"DllRegisterServer" ) ;
if (DLLRegisterServer != NULL) {
    long lc = RegCreateKeyEx (HKEY_CURRENT_USER, keycr, 0, NULL, 0,
       KEY_ALL_ACCESS, NULL, &hkcr, &dwr);
    lc = RegOverridePredefKey (HKEY_CLASSES_ROOT, hkcr);
    lc = RegCreateKeyEx (HKEY_CURRENT_USER, keylm, 0, NULL, 0, 
       KEY_ALL_ACCESS, NULL,  &hklm, &dwr);
    lc = RegOverridePredefKey (HKEY_LOCAL_MACHINE, hklm);
    ProcDllReg DLLRegisterServer =
      (ProcDllReg)::GetProcAddress(hMod,"DllRegisterServer" ) ;
    HRESULT regResult = DLLRegisterServer() ;
    RegOverridePredefKey (HKEY_CLASSES_ROOT, NULL);
    RegOverridePredefKey (HKEY_LOCAL_MACHINE, NULL);
    RegCloseKey (hkcr);
    RegCloseKey (hklm);
}
else {
    MessageBox (NULL, "DllRegisterServer Not Exported", comname,
        MB_OK);
}
::FreeLibrary (hMod);


/* End of File */

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